472 files changed, 5601 insertions, 4100 deletions
diff --git a/drivers/acpi/apei/erst.c b/drivers/acpi/apei/erst.c
index 127408069ca7..631b9477b99c 100644
--- a/drivers/acpi/apei/erst.c
+++ b/drivers/acpi/apei/erst.c
@@ -932,7 +932,8 @@ static int erst_check_table(struct acpi_table_erst *erst_tab)
 static int erst_open_pstore(struct pstore_info *psi);
 static int erst_close_pstore(struct pstore_info *psi);
 static ssize_t erst_reader(u64 *id, enum pstore_type_id *type,
-                           struct timespec *time, struct pstore_info *psi);
+                           struct timespec *time, char **buf,
+                           struct pstore_info *psi);
 static int erst_writer(enum pstore_type_id type, u64 *id, unsigned int part,
                       size_t size, struct pstore_info *psi);
 static int erst_clearer(enum pstore_type_id type, u64 id,
@@ -986,17 +987,23 @@ static int erst_close_pstore(struct pstore_info *psi)
 }
 static ssize_t erst_reader(u64 *id, enum pstore_type_id *type,
-                           struct timespec *time, struct pstore_info *psi)
+                           struct timespec *time, char **buf,
+                           struct pstore_info *psi)
 {
        int rc;
        ssize_t len = 0;
        u64 record_id;
-        struct cper_pstore_record *rcd = (struct cper_pstore_record *)
+        struct cper_pstore_record *rcd;
-                                        (erst_info.buf - sizeof(*rcd));
+        size_t rcd_len = sizeof(*rcd) + erst_info.bufsize;
        if (erst_disable)
                return -ENODEV;
+        rcd = kmalloc(rcd_len, GFP_KERNEL);
+        if (!rcd) {
+                rc = -ENOMEM;
+                goto out;
+        }
 skip:
        rc = erst_get_record_id_next(&reader_pos, &record_id);
        if (rc)
@@ -1004,22 +1011,27 @@ skip:
        /* no more record */
        if (record_id == APEI_ERST_INVALID_RECORD_ID) {
-                rc = -1;
+                rc = -EINVAL;
                goto out;
        }
-        len = erst_read(record_id, &rcd->hdr, sizeof(*rcd) +
+        len = erst_read(record_id, &rcd->hdr, rcd_len);
-                        erst_info.bufsize);
        /* The record may be cleared by others, try read next record */
        if (len == -ENOENT)
                goto skip;
-        else if (len < 0) {
+        else if (len < sizeof(*rcd)) {
-                rc = -1;
+                rc = -EIO;
                goto out;
        }
        if (uuid_le_cmp(rcd->hdr.creator_id, CPER_CREATOR_PSTORE) != 0)
                goto skip;
+        *buf = kmalloc(len, GFP_KERNEL);
+        if (*buf == NULL) {
+                rc = -ENOMEM;
+                goto out;
+        }
+        memcpy(*buf, rcd->data, len - sizeof(*rcd));
        *id = record_id;
        if (uuid_le_cmp(rcd->sec_hdr.section_type,
                        CPER_SECTION_TYPE_DMESG) == 0)
@@ -1037,6 +1049,7 @@ skip:
        time->tv_nsec = 0;
 out:
+        kfree(rcd);
        return (rc < 0) ? rc : (len - sizeof(*rcd));
 }
diff --git a/drivers/acpi/processor_idle.c b/drivers/acpi/processor_idle.c
index 73b2909dddfe..0e8e2de2ed3e 100644
--- a/drivers/acpi/processor_idle.c
+++ b/drivers/acpi/processor_idle.c
@@ -224,7 +224,6 @@ static void lapic_timer_state_broadcast(struct acpi_processor *pr,
 /*
 * Suspend / resume control
 */
-static int acpi_idle_suspend;
 static u32 saved_bm_rld;
 static void acpi_idle_bm_rld_save(void)
@@ -243,21 +242,13 @@ static void acpi_idle_bm_rld_restore(void)
 int acpi_processor_suspend(struct acpi_device * device, pm_message_t state)
 {
-        if (acpi_idle_suspend == 1)
-                return 0;
        acpi_idle_bm_rld_save();
-        acpi_idle_suspend = 1;
        return 0;
 }
 int acpi_processor_resume(struct acpi_device * device)
 {
-        if (acpi_idle_suspend == 0)
-                return 0;
        acpi_idle_bm_rld_restore();
-        acpi_idle_suspend = 0;
        return 0;
 }
@@ -763,13 +754,6 @@ static int acpi_idle_enter_c1(struct cpuidle_device *dev,
        local_irq_disable();
-        /* Do not access any ACPI IO ports in suspend path */
-        if (acpi_idle_suspend) {
-                local_irq_enable();
-                cpu_relax();
-                return -EINVAL;
-        }
        lapic_timer_state_broadcast(pr, cx, 1);
        kt1 = ktime_get_real();
        acpi_idle_do_entry(cx);
@@ -810,13 +794,6 @@ static int acpi_idle_enter_simple(struct cpuidle_device *dev,
        local_irq_disable();
-        if (acpi_idle_suspend) {
-                local_irq_enable();
-                cpu_relax();
-                return -EINVAL;
-        }
        if (cx->entry_method != ACPI_CSTATE_FFH) {
                current_thread_info()->status &= ~TS_POLLING;
                /*
@@ -895,12 +872,6 @@ static int acpi_idle_enter_bm(struct cpuidle_device *dev,
        if (unlikely(!pr))
                return -EINVAL;
-        if (acpi_idle_suspend) {
-                cpu_relax();
-                return -EINVAL;
-        }
        if (!cx->bm_sts_skip && acpi_idle_bm_check()) {
                if (drv->safe_state_index >= 0) {
                        return drv->states[drv->safe_state_index].enter(dev,
diff --git a/drivers/ata/ahci.c b/drivers/ata/ahci.c
index fb7b90b05922..cf26222a93c5 100644
--- a/drivers/ata/ahci.c
+++ b/drivers/ata/ahci.c
@@ -390,6 +390,9 @@ static const struct pci_device_id ahci_pci_tbl[] = {
        /* Promise */
        { PCI_VDEVICE(PROMISE, 0x3f20), board_ahci },   /* PDC42819 */
+        /* Asmedia */
+        { PCI_VDEVICE(ASMEDIA, 0x0612), board_ahci },   /* ASM1061 */
        /* Generic, PCI class code for AHCI */
        { PCI_ANY_ID, PCI_ANY_ID, PCI_ANY_ID, PCI_ANY_ID,
          PCI_CLASS_STORAGE_SATA_AHCI, 0xffffff, board_ahci },
diff --git a/drivers/ata/ahci_platform.c b/drivers/ata/ahci_platform.c
index 004f2ce3dc73..43b875810d1b 100644
--- a/drivers/ata/ahci_platform.c
+++ b/drivers/ata/ahci_platform.c
@@ -65,9 +65,9 @@ static struct scsi_host_template ahci_platform_sht = {
 static int __init ahci_probe(struct platform_device *pdev)
 {
        struct device *dev = &pdev->dev;
-        struct ahci_platform_data *pdata = dev->platform_data;
+        struct ahci_platform_data *pdata = dev_get_platdata(dev);
        const struct platform_device_id *id = platform_get_device_id(pdev);
-        struct ata_port_info pi = ahci_port_info[id->driver_data];
+        struct ata_port_info pi = ahci_port_info[id ? id->driver_data : 0];
        const struct ata_port_info *ppi[] = { &pi, NULL };
        struct ahci_host_priv *hpriv;
        struct ata_host *host;
@@ -191,7 +191,7 @@ err0:
 static int __devexit ahci_remove(struct platform_device *pdev)
 {
        struct device *dev = &pdev->dev;
-        struct ahci_platform_data *pdata = dev->platform_data;
+        struct ahci_platform_data *pdata = dev_get_platdata(dev);
        struct ata_host *host = dev_get_drvdata(dev);
        ata_host_detach(host);
diff --git a/drivers/ata/libata-eh.c b/drivers/ata/libata-eh.c
index f22957c2769a..a9b282038000 100644
--- a/drivers/ata/libata-eh.c
+++ b/drivers/ata/libata-eh.c
@@ -2883,7 +2883,7 @@ int ata_eh_reset(struct ata_link *link, int classify,
            sata_scr_read(link, SCR_STATUS, &sstatus))
                rc = -ERESTART;
-        if (rc == -ERESTART || try >= max_tries) {
+        if (try >= max_tries) {
                /*
                 * Thaw host port even if reset failed, so that the port
                 * can be retried on the next phy event.  This risks
@@ -2909,6 +2909,16 @@ int ata_eh_reset(struct ata_link *link, int classify,
                ata_eh_acquire(ap);
        }
+        /*
+         * While disks spinup behind PMP, some controllers fail sending SRST.
+         * They need to be reset - as well as the PMP - before retrying.
+         */
+        if (rc == -ERESTART) {
+                if (ata_is_host_link(link))
+                        ata_eh_thaw_port(ap);
+                goto out;
+        }
        if (try == max_tries - 1) {
                sata_down_spd_limit(link, 0);
                if (slave)
diff --git a/drivers/ata/libata-pmp.c b/drivers/ata/libata-pmp.c
index 104462dbc524..21b80c555c60 100644
--- a/drivers/ata/libata-pmp.c
+++ b/drivers/ata/libata-pmp.c
@@ -389,12 +389,9 @@ static void sata_pmp_quirks(struct ata_port *ap)
                        /* link reports offline after LPM */
                        link->flags |= ATA_LFLAG_NO_LPM;
-                        /* Class code report is unreliable and SRST
+                        /* Class code report is unreliable. */
-                         * times out under certain configurations.
-                         */
                        if (link->pmp < 5)
-                                link->flags |= ATA_LFLAG_NO_SRST |
+                                link->flags |= ATA_LFLAG_ASSUME_ATA;
-                                               ATA_LFLAG_ASSUME_ATA;
                        /* port 5 is for SEMB device and it doesn't like SRST */
                        if (link->pmp == 5)
diff --git a/drivers/ata/libata-scsi.c b/drivers/ata/libata-scsi.c
index 72a9770ac42f..2a5412e7e9c1 100644
--- a/drivers/ata/libata-scsi.c
+++ b/drivers/ata/libata-scsi.c
@@ -1217,6 +1217,10 @@ void ata_scsi_slave_destroy(struct scsi_device *sdev)
 /**
 *      __ata_change_queue_depth - helper for ata_scsi_change_queue_depth
+ *      @ap: ATA port to which the device change the queue depth
+ *      @sdev: SCSI device to configure queue depth for
+ *      @queue_depth: new queue depth
+ *      @reason: calling context
 *
 *      libsas and libata have different approaches for associating a sdev to
 *      its ata_port.
diff --git a/drivers/ata/libata-sff.c b/drivers/ata/libata-sff.c
index 63d53277d6a9..4cadfa28f940 100644
--- a/drivers/ata/libata-sff.c
+++ b/drivers/ata/libata-sff.c
@@ -2533,10 +2533,12 @@ static int ata_pci_init_one(struct pci_dev *pdev,
        if (rc)
                goto out;
+#ifdef CONFIG_ATA_BMDMA
        if (bmdma)
                /* prepare and activate BMDMA host */
                rc = ata_pci_bmdma_prepare_host(pdev, ppi, &host);
        else
+#endif
                /* prepare and activate SFF host */
                rc = ata_pci_sff_prepare_host(pdev, ppi, &host);
        if (rc)
@@ -2544,10 +2546,12 @@ static int ata_pci_init_one(struct pci_dev *pdev,
        host->private_data = host_priv;
        host->flags |= hflags;
+#ifdef CONFIG_ATA_BMDMA
        if (bmdma) {
                pci_set_master(pdev);
                rc = ata_pci_sff_activate_host(host, ata_bmdma_interrupt, sht);
        } else
+#endif
                rc = ata_pci_sff_activate_host(host, ata_sff_interrupt, sht);
 out:
        if (rc == 0)
diff --git a/drivers/ata/pata_of_platform.c b/drivers/ata/pata_of_platform.c
index a72ab0dde4e5..2a472c5bb7db 100644
--- a/drivers/ata/pata_of_platform.c
+++ b/drivers/ata/pata_of_platform.c
@@ -52,7 +52,7 @@ static int __devinit pata_of_platform_probe(struct platform_device *ofdev)
        }
        ret = of_irq_to_resource(dn, 0, &irq_res);
-        if (ret == NO_IRQ)
+        if (!ret)
                irq_res.start = irq_res.end = 0;
        else
                irq_res.flags = 0;
diff --git a/drivers/ata/sata_sis.c b/drivers/ata/sata_sis.c
index 447d9c05fb5a..95ec435f0eb4 100644
--- a/drivers/ata/sata_sis.c
+++ b/drivers/ata/sata_sis.c
@@ -104,7 +104,7 @@ static const struct ata_port_info sis_port_info = {
 };
 MODULE_AUTHOR("Uwe Koziolek");
-MODULE_DESCRIPTION("low-level driver for Silicon Integratad Systems SATA controller");
+MODULE_DESCRIPTION("low-level driver for Silicon Integrated Systems SATA controller");
 MODULE_LICENSE("GPL");
 MODULE_DEVICE_TABLE(pci, sis_pci_tbl);
 MODULE_VERSION(DRV_VERSION);
diff --git a/drivers/base/core.c b/drivers/base/core.c
index 82c865452c70..919daa7cd5b1 100644
--- a/drivers/base/core.c
+++ b/drivers/base/core.c
@@ -22,6 +22,7 @@
 #include <linux/kallsyms.h>
 #include <linux/mutex.h>
 #include <linux/async.h>
+#include <linux/pm_runtime.h>
 #include "base.h"
 #include "power/power.h"
@@ -1743,6 +1744,10 @@ void device_shutdown(void)
                list_del_init(&dev->kobj.entry);
                spin_unlock(&devices_kset->list_lock);
+                /* Don't allow any more runtime suspends */
+                pm_runtime_get_noresume(dev);
+                pm_runtime_barrier(dev);
                if (dev->bus && dev->bus->shutdown) {
                        dev_dbg(dev, "shutdown\n");
                        dev->bus->shutdown(dev);
diff --git a/drivers/base/node.c b/drivers/base/node.c
index 793f796c4da3..5693ecee9a40 100644
--- a/drivers/base/node.c
+++ b/drivers/base/node.c
@@ -127,12 +127,13 @@ static ssize_t node_read_meminfo(struct sys_device * dev,
                       nid, K(node_page_state(nid, NR_WRITEBACK)),
                       nid, K(node_page_state(nid, NR_FILE_PAGES)),
                       nid, K(node_page_state(nid, NR_FILE_MAPPED)),
-                       nid, K(node_page_state(nid, NR_ANON_PAGES)
 #ifdef CONFIG_TRANSPARENT_HUGEPAGE
+                       nid, K(node_page_state(nid, NR_ANON_PAGES)
                        + node_page_state(nid, NR_ANON_TRANSPARENT_HUGEPAGES) *
-                        HPAGE_PMD_NR
+                        HPAGE_PMD_NR),
+#else
+                       nid, K(node_page_state(nid, NR_ANON_PAGES)),
 #endif
-                       ),
                       nid, K(node_page_state(nid, NR_SHMEM)),
                       nid, node_page_state(nid, NR_KERNEL_STACK) *
                                THREAD_SIZE / 1024,
@@ -143,13 +144,14 @@ static ssize_t node_read_meminfo(struct sys_device * dev,
                       nid, K(node_page_state(nid, NR_SLAB_RECLAIMABLE) +
                                node_page_state(nid, NR_SLAB_UNRECLAIMABLE)),
                       nid, K(node_page_state(nid, NR_SLAB_RECLAIMABLE)),
-                       nid, K(node_page_state(nid, NR_SLAB_UNRECLAIMABLE))
 #ifdef CONFIG_TRANSPARENT_HUGEPAGE
+                       nid, K(node_page_state(nid, NR_SLAB_UNRECLAIMABLE))
                        , nid,
                        K(node_page_state(nid, NR_ANON_TRANSPARENT_HUGEPAGES) *
-                        HPAGE_PMD_NR)
+                        HPAGE_PMD_NR));
+#else
+                       nid, K(node_page_state(nid, NR_SLAB_UNRECLAIMABLE)));
 #endif
-                       );
        n += hugetlb_report_node_meminfo(nid, buf + n);
        return n;
 }
diff --git a/drivers/base/power/clock_ops.c b/drivers/base/power/clock_ops.c
index 5f0f85d5c576..428e55e012dc 100644
--- a/drivers/base/power/clock_ops.c
+++ b/drivers/base/power/clock_ops.c
@@ -229,7 +229,8 @@ int pm_clk_suspend(struct device *dev)
        list_for_each_entry_reverse(ce, &psd->clock_list, node) {
                if (ce->status < PCE_STATUS_ERROR) {
-                        clk_disable(ce->clk);
+                        if (ce->status == PCE_STATUS_ENABLED)
+                                clk_disable(ce->clk);
                        ce->status = PCE_STATUS_ACQUIRED;
                }
        }
diff --git a/drivers/base/power/main.c b/drivers/base/power/main.c
index 7fa098464dae..c3d2dfcf438d 100644
--- a/drivers/base/power/main.c
+++ b/drivers/base/power/main.c
@@ -920,7 +920,8 @@ static int __device_suspend(struct device *dev, pm_message_t state, bool async)
 End:
        if (!error) {
                dev->power.is_suspended = true;
-                if (dev->power.wakeup_path && dev->parent)
+                if (dev->power.wakeup_path
+                    && dev->parent && !dev->parent->power.ignore_children)
                        dev->parent->power.wakeup_path = true;
        }
diff --git a/drivers/base/power/opp.c b/drivers/base/power/opp.c
index 434a6c011675..95706fa24c73 100644
--- a/drivers/base/power/opp.c
+++ b/drivers/base/power/opp.c
@@ -669,7 +669,7 @@ struct srcu_notifier_head *opp_get_notifier(struct device *dev)
        struct device_opp *dev_opp = find_device_opp(dev);
        if (IS_ERR(dev_opp))
-                return ERR_PTR(PTR_ERR(dev_opp)); /* matching type */
+                return ERR_CAST(dev_opp); /* matching type */
        return &dev_opp->head;
 }
diff --git a/drivers/base/power/qos.c b/drivers/base/power/qos.c
index 30a94eadc200..86de6c50fc41 100644
--- a/drivers/base/power/qos.c
+++ b/drivers/base/power/qos.c
@@ -212,11 +212,9 @@ int dev_pm_qos_add_request(struct device *dev, struct dev_pm_qos_request *req,
        if (!dev || !req) /*guard against callers passing in null */
                return -EINVAL;
-        if (dev_pm_qos_request_active(req)) {
+        if (WARN(dev_pm_qos_request_active(req),
-                WARN(1, KERN_ERR "dev_pm_qos_add_request() called for already "
+                 "%s() called for already added request\n", __func__))
-                        "added request\n");
                return -EINVAL;
-        }
        req->dev = dev;
@@ -271,11 +269,9 @@ int dev_pm_qos_update_request(struct dev_pm_qos_request *req,
        if (!req) /*guard against callers passing in null */
                return -EINVAL;
-        if (!dev_pm_qos_request_active(req)) {
+        if (WARN(!dev_pm_qos_request_active(req),
-                WARN(1, KERN_ERR "dev_pm_qos_update_request() called for "
+                 "%s() called for unknown object\n", __func__))
-                        "unknown object\n");
                return -EINVAL;
-        }
        mutex_lock(&dev_pm_qos_mtx);
@@ -312,11 +308,9 @@ int dev_pm_qos_remove_request(struct dev_pm_qos_request *req)
        if (!req) /*guard against callers passing in null */
                return -EINVAL;
-        if (!dev_pm_qos_request_active(req)) {
+        if (WARN(!dev_pm_qos_request_active(req),
-                WARN(1, KERN_ERR "dev_pm_qos_remove_request() called for "
+                 "%s() called for unknown object\n", __func__))
-                        "unknown object\n");
                return -EINVAL;
-        }
        mutex_lock(&dev_pm_qos_mtx);
diff --git a/drivers/block/cciss.c b/drivers/block/cciss.c
index 486f94ef24d4..587cce57adae 100644
--- a/drivers/block/cciss.c
+++ b/drivers/block/cciss.c
@@ -24,6 +24,7 @@
 #include <linux/interrupt.h>
 #include <linux/types.h>
 #include <linux/pci.h>
+#include <linux/pci-aspm.h>
 #include <linux/kernel.h>
 #include <linux/slab.h>
 #include <linux/delay.h>
@@ -2600,6 +2601,8 @@ static int fill_cmd(ctlr_info_t *h, CommandList_struct *c, __u8 cmd, void *buff,
                        c->Request.Timeout = 0;
                        c->Request.CDB[0] = BMIC_WRITE;
                        c->Request.CDB[6] = BMIC_CACHE_FLUSH;
+                        c->Request.CDB[7] = (size >> 8) & 0xFF;
+                        c->Request.CDB[8] = size & 0xFF;
                        break;
                case TEST_UNIT_READY:
                        c->Request.CDBLen = 6;
@@ -4319,6 +4322,10 @@ static int __devinit cciss_pci_init(ctlr_info_t *h)
                dev_warn(&h->pdev->dev, "controller appears to be disabled\n");
                return -ENODEV;
        }
+        pci_disable_link_state(h->pdev, PCIE_LINK_STATE_L0S |
+                                PCIE_LINK_STATE_L1 | PCIE_LINK_STATE_CLKPM);
        err = pci_enable_device(h->pdev);
        if (err) {
                dev_warn(&h->pdev->dev, "Unable to Enable PCI device\n");
@@ -4875,7 +4882,7 @@ static int cciss_request_irq(ctlr_info_t *h,
 {
        if (h->msix_vector || h->msi_vector) {
                if (!request_irq(h->intr[h->intr_mode], msixhandler,
-                                IRQF_DISABLED, h->devname, h))
+                                0, h->devname, h))
                        return 0;
                dev_err(&h->pdev->dev, "Unable to get msi irq %d"
                        " for %s\n", h->intr[h->intr_mode],
@@ -4884,7 +4891,7 @@ static int cciss_request_irq(ctlr_info_t *h,
        }
        if (!request_irq(h->intr[h->intr_mode], intxhandler,
-                        IRQF_DISABLED, h->devname, h))
+                        IRQF_SHARED, h->devname, h))
                return 0;
        dev_err(&h->pdev->dev, "Unable to get irq %d for %s\n",
                h->intr[h->intr_mode], h->devname);
@@ -5158,6 +5165,7 @@ reinit_after_soft_reset:
        h->cciss_max_sectors = 8192;
        rebuild_lun_table(h, 1, 0);
+        cciss_engage_scsi(h);
        h->busy_initializing = 0;
        return 1;
diff --git a/drivers/block/cciss_scsi.c b/drivers/block/cciss_scsi.c
index 951a4e33b92b..e820b68d2f6c 100644
--- a/drivers/block/cciss_scsi.c
+++ b/drivers/block/cciss_scsi.c
@@ -1720,5 +1720,6 @@ static int  cciss_eh_abort_handler(struct scsi_cmnd *scsicmd)
 /* If no tape support, then these become defined out of existence */
 #define cciss_scsi_setup(cntl_num)
+#define cciss_engage_scsi(h)
 #endif /* CONFIG_CISS_SCSI_TAPE */
diff --git a/drivers/block/loop.c b/drivers/block/loop.c
index 3d806820280e..1e888c9e85b3 100644
--- a/drivers/block/loop.c
+++ b/drivers/block/loop.c
@@ -161,17 +161,19 @@ static struct loop_func_table *xfer_funcs[MAX_LO_CRYPT] = {
        &xor_funcs
 };
-static loff_t get_loop_size(struct loop_device *lo, struct file *file)
+static loff_t get_size(loff_t offset, loff_t sizelimit, struct file *file)
 {
-        loff_t size, offset, loopsize;
+        loff_t size, loopsize;
        /* Compute loopsize in bytes */
        size = i_size_read(file->f_mapping->host);
-        offset = lo->lo_offset;
        loopsize = size - offset;
-        if (lo->lo_sizelimit > 0 && lo->lo_sizelimit < loopsize)
+        /* offset is beyond i_size, wierd but possible */
-                loopsize = lo->lo_sizelimit;
+        if (loopsize < 0)
+                return 0;
+        if (sizelimit > 0 && sizelimit < loopsize)
+                loopsize = sizelimit;
        /*
         * Unfortunately, if we want to do I/O on the device,
         * the number of 512-byte sectors has to fit into a sector_t.
@@ -179,17 +181,25 @@ static loff_t get_loop_size(struct loop_device *lo, struct file *file)
        return loopsize >> 9;
 }
+static loff_t get_loop_size(struct loop_device *lo, struct file *file)
+{
+        return get_size(lo->lo_offset, lo->lo_sizelimit, file);
+}
 static int
-figure_loop_size(struct loop_device *lo)
+figure_loop_size(struct loop_device *lo, loff_t offset, loff_t sizelimit)
 {
-        loff_t size = get_loop_size(lo, lo->lo_backing_file);
+        loff_t size = get_size(offset, sizelimit, lo->lo_backing_file);
        sector_t x = (sector_t)size;
        if (unlikely((loff_t)x != size))
                return -EFBIG;
+        if (lo->lo_offset != offset)
+                lo->lo_offset = offset;
+        if (lo->lo_sizelimit != sizelimit)
+                lo->lo_sizelimit = sizelimit;
        set_capacity(lo->lo_disk, x);
-        return 0;                                       
+        return 0;
 }
 static inline int
@@ -372,7 +382,8 @@ do_lo_receive(struct loop_device *lo,
        if (retval < 0)
                return retval;
+        if (retval != bvec->bv_len)
+                return -EIO;
        return 0;
 }
@@ -411,7 +422,7 @@ static int do_bio_filebacked(struct loop_device *lo, struct bio *bio)
                /*
                 * We use punch hole to reclaim the free space used by the
-                 * image a.k.a. discard. However we do support discard if
+                 * image a.k.a. discard. However we do not support discard if
                 * encryption is enabled, because it may give an attacker
                 * useful information.
                 */
@@ -786,7 +797,7 @@ static void loop_config_discard(struct loop_device *lo)
        }
        q->limits.discard_granularity = inode->i_sb->s_blocksize;
-        q->limits.discard_alignment = inode->i_sb->s_blocksize;
+        q->limits.discard_alignment = 0;
        q->limits.max_discard_sectors = UINT_MAX >> 9;
        q->limits.discard_zeroes_data = 1;
        queue_flag_set_unlocked(QUEUE_FLAG_DISCARD, q);
@@ -1058,9 +1069,7 @@ loop_set_status(struct loop_device *lo, const struct loop_info64 *info)
        if (lo->lo_offset != info->lo_offset ||
            lo->lo_sizelimit != info->lo_sizelimit) {
-                lo->lo_offset = info->lo_offset;
+                if (figure_loop_size(lo, info->lo_offset, info->lo_sizelimit))
-                lo->lo_sizelimit = info->lo_sizelimit;
-                if (figure_loop_size(lo))
                        return -EFBIG;
        }
        loop_config_discard(lo);
@@ -1246,7 +1255,7 @@ static int loop_set_capacity(struct loop_device *lo, struct block_device *bdev)
        err = -ENXIO;
        if (unlikely(lo->lo_state != Lo_bound))
                goto out;
-        err = figure_loop_size(lo);
+        err = figure_loop_size(lo, lo->lo_offset, lo->lo_sizelimit);
        if (unlikely(err))
                goto out;
        sec = get_capacity(lo->lo_disk);
@@ -1284,13 +1293,19 @@ static int lo_ioctl(struct block_device *bdev, fmode_t mode,
                        goto out_unlocked;
                break;
        case LOOP_SET_STATUS:
-                err = loop_set_status_old(lo, (struct loop_info __user *) arg);
+                err = -EPERM;
+                if ((mode & FMODE_WRITE) || capable(CAP_SYS_ADMIN))
+                        err = loop_set_status_old(lo,
+                                        (struct loop_info __user *)arg);
                break;
        case LOOP_GET_STATUS:
                err = loop_get_status_old(lo, (struct loop_info __user *) arg);
                break;
        case LOOP_SET_STATUS64:
-                err = loop_set_status64(lo, (struct loop_info64 __user *) arg);
+                err = -EPERM;
+                if ((mode & FMODE_WRITE) || capable(CAP_SYS_ADMIN))
+                        err = loop_set_status64(lo,
+                                        (struct loop_info64 __user *) arg);
                break;
        case LOOP_GET_STATUS64:
                err = loop_get_status64(lo, (struct loop_info64 __user *) arg);
diff --git a/drivers/block/paride/pg.c b/drivers/block/paride/pg.c
index 6b9a2000d56a..a79fb4f7ff62 100644
--- a/drivers/block/paride/pg.c
+++ b/drivers/block/paride/pg.c
@@ -630,6 +630,7 @@ static ssize_t pg_read(struct file *filp, char __user *buf, size_t count, loff_t
                if (dev->status & 0x10)
                        return -ETIME;
+        memset(&hdr, 0, sizeof(hdr));
        hdr.magic = PG_MAGIC;
        hdr.dlen = dev->dlen;
        copy = 0;
diff --git a/drivers/block/rbd.c b/drivers/block/rbd.c
index 65cc424359b0..148ab944378d 100644
--- a/drivers/block/rbd.c
+++ b/drivers/block/rbd.c
@@ -183,10 +183,6 @@ static LIST_HEAD(rbd_client_list);      /* clients */
 static int __rbd_init_snaps_header(struct rbd_device *rbd_dev);
 static void rbd_dev_release(struct device *dev);
-static ssize_t rbd_snap_rollback(struct device *dev,
-                                 struct device_attribute *attr,
-                                 const char *buf,
-                                 size_t size);
 static ssize_t rbd_snap_add(struct device *dev,
                            struct device_attribute *attr,
                            const char *buf,
@@ -461,6 +457,10 @@ static int rbd_header_from_disk(struct rbd_image_header *header,
        u32 snap_count = le32_to_cpu(ondisk->snap_count);
        int ret = -ENOMEM;
+        if (memcmp(ondisk, RBD_HEADER_TEXT, sizeof(RBD_HEADER_TEXT))) {
+                return -ENXIO;
+        }
        init_rwsem(&header->snap_rwsem);
        header->snap_names_len = le64_to_cpu(ondisk->snap_names_len);
        header->snapc = kmalloc(sizeof(struct ceph_snap_context) +
@@ -1356,32 +1356,6 @@ fail:
 }
 /*
- * Request sync osd rollback
- */
-static int rbd_req_sync_rollback_obj(struct rbd_device *dev,
-                                     u64 snapid,
-                                     const char *obj)
-{
-        struct ceph_osd_req_op *ops;
-        int ret = rbd_create_rw_ops(&ops, 1, CEPH_OSD_OP_ROLLBACK, 0);
-        if (ret < 0)
-                return ret;
-        ops[0].snap.snapid = snapid;
-        ret = rbd_req_sync_op(dev, NULL,
-                               CEPH_NOSNAP,
-                               0,
-                               CEPH_OSD_FLAG_WRITE | CEPH_OSD_FLAG_ONDISK,
-                               ops,
-                               1, obj, 0, 0, NULL, NULL, NULL);
-        rbd_destroy_ops(ops);
-        return ret;
-}
-/*
 * Request sync osd read
 */
 static int rbd_req_sync_exec(struct rbd_device *dev,
@@ -1610,8 +1584,13 @@ static int rbd_read_header(struct rbd_device *rbd_dev,
                        goto out_dh;
                rc = rbd_header_from_disk(header, dh, snap_count, GFP_KERNEL);
-                if (rc < 0)
+                if (rc < 0) {
+                        if (rc == -ENXIO) {
+                                pr_warning("unrecognized header format"
+                                           " for image %s", rbd_dev->obj);
+                        }
                        goto out_dh;
+                }
                if (snap_count != header->total_snaps) {
                        snap_count = header->total_snaps;
@@ -1882,7 +1861,6 @@ static DEVICE_ATTR(name, S_IRUGO, rbd_name_show, NULL);
 static DEVICE_ATTR(refresh, S_IWUSR, NULL, rbd_image_refresh);
 static DEVICE_ATTR(current_snap, S_IRUGO, rbd_snap_show, NULL);
 static DEVICE_ATTR(create_snap, S_IWUSR, NULL, rbd_snap_add);
-static DEVICE_ATTR(rollback_snap, S_IWUSR, NULL, rbd_snap_rollback);
 static struct attribute *rbd_attrs[] = {
        &dev_attr_size.attr,
@@ -1893,7 +1871,6 @@ static struct attribute *rbd_attrs[] = {
        &dev_attr_current_snap.attr,
        &dev_attr_refresh.attr,
        &dev_attr_create_snap.attr,
-        &dev_attr_rollback_snap.attr,
        NULL
 };
@@ -2424,64 +2401,6 @@ err_unlock:
        return ret;
 }
-static ssize_t rbd_snap_rollback(struct device *dev,
-                                 struct device_attribute *attr,
-                                 const char *buf,
-                                 size_t count)
-{
-        struct rbd_device *rbd_dev = dev_to_rbd(dev);
-        int ret;
-        u64 snapid;
-        u64 cur_ofs;
-        char *seg_name = NULL;
-        char *snap_name = kmalloc(count + 1, GFP_KERNEL);
-        ret = -ENOMEM;
-        if (!snap_name)
-                return ret;
-        /* parse snaps add command */
-        snprintf(snap_name, count, "%s", buf);
-        seg_name = kmalloc(RBD_MAX_SEG_NAME_LEN + 1, GFP_NOIO);
-        if (!seg_name)
-                goto done;
-        mutex_lock_nested(&ctl_mutex, SINGLE_DEPTH_NESTING);
-        ret = snap_by_name(&rbd_dev->header, snap_name, &snapid, NULL);
-        if (ret < 0)
-                goto done_unlock;
-        dout("snapid=%lld\n", snapid);
-        cur_ofs = 0;
-        while (cur_ofs < rbd_dev->header.image_size) {
-                cur_ofs += rbd_get_segment(&rbd_dev->header,
-                                           rbd_dev->obj,
-                                           cur_ofs, (u64)-1,
-                                           seg_name, NULL);
-                dout("seg_name=%s\n", seg_name);
-                ret = rbd_req_sync_rollback_obj(rbd_dev, snapid, seg_name);
-                if (ret < 0)
-                        pr_warning("could not roll back obj %s err=%d\n",
-                                   seg_name, ret);
-        }
-        ret = __rbd_update_snaps(rbd_dev);
-        if (ret < 0)
-                goto done_unlock;
-        ret = count;
-done_unlock:
-        mutex_unlock(&ctl_mutex);
-done:
-        kfree(seg_name);
-        kfree(snap_name);
-        return ret;
-}
 static struct bus_attribute rbd_bus_attrs[] = {
        __ATTR(add, S_IWUSR, NULL, rbd_add),
        __ATTR(remove, S_IWUSR, NULL, rbd_remove),
diff --git a/drivers/block/swim3.c b/drivers/block/swim3.c
index ae3e167e17ad..89ddab127e33 100644
--- a/drivers/block/swim3.c
+++ b/drivers/block/swim3.c
@@ -16,6 +16,8 @@
 * handle GCR disks
 */
+#undef DEBUG
 #include <linux/stddef.h>
 #include <linux/kernel.h>
 #include <linux/sched.h>
@@ -36,13 +38,11 @@
 #include <asm/machdep.h>
 #include <asm/pmac_feature.h>
-static DEFINE_MUTEX(swim3_mutex);
-static struct request_queue *swim3_queue;
-static struct gendisk *disks[2];
-static struct request *fd_req;
 #define MAX_FLOPPIES    2
+static DEFINE_MUTEX(swim3_mutex);
+static struct gendisk *disks[MAX_FLOPPIES];
 enum swim_state {
        idle,
        locating,
@@ -177,7 +177,6 @@ struct swim3 {
 struct floppy_state {
        enum swim_state state;
-        spinlock_t lock;
        struct swim3 __iomem *swim3;    /* hardware registers */
        struct dbdma_regs __iomem *dma; /* DMA controller registers */
        int     swim3_intr;     /* interrupt number for SWIM3 */
@@ -204,8 +203,20 @@ struct floppy_state {
        int     wanted;
        struct macio_dev *mdev;
        char    dbdma_cmd_space[5 * sizeof(struct dbdma_cmd)];
+        int     index;
+        struct request *cur_req;
 };
+#define swim3_err(fmt, arg...)  dev_err(&fs->mdev->ofdev.dev, "[fd%d] " fmt, fs->index, arg)
+#define swim3_warn(fmt, arg...) dev_warn(&fs->mdev->ofdev.dev, "[fd%d] " fmt, fs->index, arg)
+#define swim3_info(fmt, arg...) dev_info(&fs->mdev->ofdev.dev, "[fd%d] " fmt, fs->index, arg)
+#ifdef DEBUG
+#define swim3_dbg(fmt, arg...)  dev_dbg(&fs->mdev->ofdev.dev, "[fd%d] " fmt, fs->index, arg)
+#else
+#define swim3_dbg(fmt, arg...)  do { } while(0)
+#endif
 static struct floppy_state floppy_states[MAX_FLOPPIES];
 static int floppy_count = 0;
 static DEFINE_SPINLOCK(swim3_lock);
@@ -224,17 +235,8 @@ static unsigned short write_postamble[] = {
        0, 0, 0, 0, 0, 0
 };
-static void swim3_select(struct floppy_state *fs, int sel);
-static void swim3_action(struct floppy_state *fs, int action);
-static int swim3_readbit(struct floppy_state *fs, int bit);
-static void do_fd_request(struct request_queue * q);
-static void start_request(struct floppy_state *fs);
-static void set_timeout(struct floppy_state *fs, int nticks,
-                        void (*proc)(unsigned long));
-static void scan_track(struct floppy_state *fs);
 static void seek_track(struct floppy_state *fs, int n);
 static void init_dma(struct dbdma_cmd *cp, int cmd, void *buf, int count);
-static void setup_transfer(struct floppy_state *fs);
 static void act(struct floppy_state *fs);
 static void scan_timeout(unsigned long data);
 static void seek_timeout(unsigned long data);
@@ -254,18 +256,21 @@ static unsigned int floppy_check_events(struct gendisk *disk,
                                        unsigned int clearing);
 static int floppy_revalidate(struct gendisk *disk);
-static bool swim3_end_request(int err, unsigned int nr_bytes)
+static bool swim3_end_request(struct floppy_state *fs, int err, unsigned int nr_bytes)
 {
-        if (__blk_end_request(fd_req, err, nr_bytes))
+        struct request *req = fs->cur_req;
-                return true;
+        int rc;
-        fd_req = NULL;
+        swim3_dbg("  end request, err=%d nr_bytes=%d, cur_req=%p\n",
-        return false;
+                  err, nr_bytes, req);
-}
-static bool swim3_end_request_cur(int err)
+        if (err)
-{
+                nr_bytes = blk_rq_cur_bytes(req);
-        return swim3_end_request(err, blk_rq_cur_bytes(fd_req));
+        rc = __blk_end_request(req, err, nr_bytes);
+        if (rc)
+                return true;
+        fs->cur_req = NULL;
+        return false;
 }
 static void swim3_select(struct floppy_state *fs, int sel)
@@ -303,50 +308,53 @@ static int swim3_readbit(struct floppy_state *fs, int bit)
        return (stat & DATA) == 0;
 }
-static void do_fd_request(struct request_queue * q)
-{
-        int i;
-        for(i=0; i<floppy_count; i++) {
-                struct floppy_state *fs = &floppy_states[i];
-                if (fs->mdev->media_bay &&
-                    check_media_bay(fs->mdev->media_bay) != MB_FD)
-                        continue;
-                start_request(fs);
-        }
-}
 static void start_request(struct floppy_state *fs)
 {
        struct request *req;
        unsigned long x;
+        swim3_dbg("start request, initial state=%d\n", fs->state);
        if (fs->state == idle && fs->wanted) {
                fs->state = available;
                wake_up(&fs->wait);
                return;
        }
        while (fs->state == idle) {
-                if (!fd_req) {
+                swim3_dbg("start request, idle loop, cur_req=%p\n", fs->cur_req);
-                        fd_req = blk_fetch_request(swim3_queue);
+                if (!fs->cur_req) {
-                        if (!fd_req)
+                        fs->cur_req = blk_fetch_request(disks[fs->index]->queue);
+                        swim3_dbg("  fetched request %p\n", fs->cur_req);
+                        if (!fs->cur_req)
                                break;
                }
-                req = fd_req;
+                req = fs->cur_req;
-#if 0
-                printk("do_fd_req: dev=%s cmd=%d sec=%ld nr_sec=%u buf=%p\n",
+                if (fs->mdev->media_bay &&
-                       req->rq_disk->disk_name, req->cmd,
+                    check_media_bay(fs->mdev->media_bay) != MB_FD) {
-                       (long)blk_rq_pos(req), blk_rq_sectors(req), req->buffer);
+                        swim3_dbg("%s", "  media bay absent, dropping req\n");
-                printk("           errors=%d current_nr_sectors=%u\n",
+                        swim3_end_request(fs, -ENODEV, 0);
-                       req->errors, blk_rq_cur_sectors(req));
+                        continue;
+                }
+#if 0 /* This is really too verbose */
+                swim3_dbg("do_fd_req: dev=%s cmd=%d sec=%ld nr_sec=%u buf=%p\n",
+                          req->rq_disk->disk_name, req->cmd,
+                          (long)blk_rq_pos(req), blk_rq_sectors(req),
+                          req->buffer);
+                swim3_dbg("           errors=%d current_nr_sectors=%u\n",
+                          req->errors, blk_rq_cur_sectors(req));
 #endif
                if (blk_rq_pos(req) >= fs->total_secs) {
-                        swim3_end_request_cur(-EIO);
+                        swim3_dbg("  pos out of bounds (%ld, max is %ld)\n",
+                                  (long)blk_rq_pos(req), (long)fs->total_secs);
+                        swim3_end_request(fs, -EIO, 0);
                        continue;
                }
                if (fs->ejected) {
-                        swim3_end_request_cur(-EIO);
+                        swim3_dbg("%s", "  disk ejected\n");
+                        swim3_end_request(fs, -EIO, 0);
                        continue;
                }
@@ -354,7 +362,8 @@ static void start_request(struct floppy_state *fs)
                        if (fs->write_prot < 0)
                                fs->write_prot = swim3_readbit(fs, WRITE_PROT);
                        if (fs->write_prot) {
-                                swim3_end_request_cur(-EIO);
+                                swim3_dbg("%s", "  try to write, disk write protected\n");
+                                swim3_end_request(fs, -EIO, 0);
                                continue;
                        }
                }
@@ -369,7 +378,6 @@ static void start_request(struct floppy_state *fs)
                x = ((long)blk_rq_pos(req)) % fs->secpercyl;
                fs->head = x / fs->secpertrack;
                fs->req_sector = x % fs->secpertrack + 1;
-                fd_req = req;
                fs->state = do_transfer;
                fs->retries = 0;
@@ -377,12 +385,14 @@ static void start_request(struct floppy_state *fs)
        }
 }
+static void do_fd_request(struct request_queue * q)
+{
+        start_request(q->queuedata);
+}
 static void set_timeout(struct floppy_state *fs, int nticks,
                        void (*proc)(unsigned long))
 {
-        unsigned long flags;
-        spin_lock_irqsave(&fs->lock, flags);
        if (fs->timeout_pending)
                del_timer(&fs->timeout);
        fs->timeout.expires = jiffies + nticks;
@@ -390,7 +400,6 @@ static void set_timeout(struct floppy_state *fs, int nticks,
        fs->timeout.data = (unsigned long) fs;
        add_timer(&fs->timeout);
        fs->timeout_pending = 1;
-        spin_unlock_irqrestore(&fs->lock, flags);
 }
 static inline void scan_track(struct floppy_state *fs)
@@ -442,40 +451,45 @@ static inline void setup_transfer(struct floppy_state *fs)
        struct swim3 __iomem *sw = fs->swim3;
        struct dbdma_cmd *cp = fs->dma_cmd;
        struct dbdma_regs __iomem *dr = fs->dma;
+        struct request *req = fs->cur_req;
-        if (blk_rq_cur_sectors(fd_req) <= 0) {
+        if (blk_rq_cur_sectors(req) <= 0) {
-                printk(KERN_ERR "swim3: transfer 0 sectors?\n");
+                swim3_warn("%s", "Transfer 0 sectors ?\n");
                return;
        }
-        if (rq_data_dir(fd_req) == WRITE)
+        if (rq_data_dir(req) == WRITE)
                n = 1;
        else {
                n = fs->secpertrack - fs->req_sector + 1;
-                if (n > blk_rq_cur_sectors(fd_req))
+                if (n > blk_rq_cur_sectors(req))
-                        n = blk_rq_cur_sectors(fd_req);
+                        n = blk_rq_cur_sectors(req);
        }
+        swim3_dbg("  setup xfer at sect %d (of %d) head %d for %d\n",
+                  fs->req_sector, fs->secpertrack, fs->head, n);
        fs->scount = n;
        swim3_select(fs, fs->head? READ_DATA_1: READ_DATA_0);
        out_8(&sw->sector, fs->req_sector);
        out_8(&sw->nsect, n);
        out_8(&sw->gap3, 0);
        out_le32(&dr->cmdptr, virt_to_bus(cp));
-        if (rq_data_dir(fd_req) == WRITE) {
+        if (rq_data_dir(req) == WRITE) {
                /* Set up 3 dma commands: write preamble, data, postamble */
                init_dma(cp, OUTPUT_MORE, write_preamble, sizeof(write_preamble));
                ++cp;
-                init_dma(cp, OUTPUT_MORE, fd_req->buffer, 512);
+                init_dma(cp, OUTPUT_MORE, req->buffer, 512);
                ++cp;
                init_dma(cp, OUTPUT_LAST, write_postamble, sizeof(write_postamble));
        } else {
-                init_dma(cp, INPUT_LAST, fd_req->buffer, n * 512);
+                init_dma(cp, INPUT_LAST, req->buffer, n * 512);
        }
        ++cp;
        out_le16(&cp->command, DBDMA_STOP);
        out_8(&sw->control_bic, DO_ACTION | WRITE_SECTORS);
        in_8(&sw->error);
        out_8(&sw->control_bic, DO_ACTION | WRITE_SECTORS);
-        if (rq_data_dir(fd_req) == WRITE)
+        if (rq_data_dir(req) == WRITE)
                out_8(&sw->control_bis, WRITE_SECTORS);
        in_8(&sw->intr);
        out_le32(&dr->control, (RUN << 16) | RUN);
@@ -488,12 +502,16 @@ static inline void setup_transfer(struct floppy_state *fs)
 static void act(struct floppy_state *fs)
 {
        for (;;) {
+                swim3_dbg("  act loop, state=%d, req_cyl=%d, cur_cyl=%d\n",
+                          fs->state, fs->req_cyl, fs->cur_cyl);
                switch (fs->state) {
                case idle:
                        return;         /* XXX shouldn't get here */
                case locating:
                        if (swim3_readbit(fs, TRACK_ZERO)) {
+                                swim3_dbg("%s", "    locate track 0\n");
                                fs->cur_cyl = 0;
                                if (fs->req_cyl == 0)
                                        fs->state = do_transfer;
@@ -511,7 +529,7 @@ static void act(struct floppy_state *fs)
                                break;
                        }
                        if (fs->req_cyl == fs->cur_cyl) {
-                                printk("whoops, seeking 0\n");
+                                swim3_warn("%s", "Whoops, seeking 0\n");
                                fs->state = do_transfer;
                                break;
                        }
@@ -527,7 +545,9 @@ static void act(struct floppy_state *fs)
                case do_transfer:
                        if (fs->cur_cyl != fs->req_cyl) {
                                if (fs->retries > 5) {
-                                        swim3_end_request_cur(-EIO);
+                                        swim3_err("Wrong cylinder in transfer, want: %d got %d\n",
+                                                  fs->req_cyl, fs->cur_cyl);
+                                        swim3_end_request(fs, -EIO, 0);
                                        fs->state = idle;
                                        return;
                                }
@@ -542,7 +562,7 @@ static void act(struct floppy_state *fs)
                        return;
                default:
-                        printk(KERN_ERR"swim3: unknown state %d\n", fs->state);
+                        swim3_err("Unknown state %d\n", fs->state);
                        return;
                }
        }
@@ -552,59 +572,75 @@ static void scan_timeout(unsigned long data)
 {
        struct floppy_state *fs = (struct floppy_state *) data;
        struct swim3 __iomem *sw = fs->swim3;
+        unsigned long flags;
+        swim3_dbg("* scan timeout, state=%d\n", fs->state);
+        spin_lock_irqsave(&swim3_lock, flags);
        fs->timeout_pending = 0;
        out_8(&sw->control_bic, DO_ACTION | WRITE_SECTORS);
        out_8(&sw->select, RELAX);
        out_8(&sw->intr_enable, 0);
        fs->cur_cyl = -1;
        if (fs->retries > 5) {
-                swim3_end_request_cur(-EIO);
+                swim3_end_request(fs, -EIO, 0);
                fs->state = idle;
                start_request(fs);
        } else {
                fs->state = jogging;
                act(fs);
        }
+        spin_unlock_irqrestore(&swim3_lock, flags);
 }
 static void seek_timeout(unsigned long data)
 {
        struct floppy_state *fs = (struct floppy_state *) data;
        struct swim3 __iomem *sw = fs->swim3;
+        unsigned long flags;
+        swim3_dbg("* seek timeout, state=%d\n", fs->state);
+        spin_lock_irqsave(&swim3_lock, flags);
        fs->timeout_pending = 0;
        out_8(&sw->control_bic, DO_SEEK);
        out_8(&sw->select, RELAX);
        out_8(&sw->intr_enable, 0);
-        printk(KERN_ERR "swim3: seek timeout\n");
+        swim3_err("%s", "Seek timeout\n");
-        swim3_end_request_cur(-EIO);
+        swim3_end_request(fs, -EIO, 0);
        fs->state = idle;
        start_request(fs);
+        spin_unlock_irqrestore(&swim3_lock, flags);
 }
 static void settle_timeout(unsigned long data)
 {
        struct floppy_state *fs = (struct floppy_state *) data;
        struct swim3 __iomem *sw = fs->swim3;
+        unsigned long flags;
+        swim3_dbg("* settle timeout, state=%d\n", fs->state);
+        spin_lock_irqsave(&swim3_lock, flags);
        fs->timeout_pending = 0;
        if (swim3_readbit(fs, SEEK_COMPLETE)) {
                out_8(&sw->select, RELAX);
                fs->state = locating;
                act(fs);
-                return;
+                goto unlock;
        }
        out_8(&sw->select, RELAX);
        if (fs->settle_time < 2*HZ) {
                ++fs->settle_time;
                set_timeout(fs, 1, settle_timeout);
-                return;
+                goto unlock;
        }
-        printk(KERN_ERR "swim3: seek settle timeout\n");
+        swim3_err("%s", "Seek settle timeout\n");
-        swim3_end_request_cur(-EIO);
+        swim3_end_request(fs, -EIO, 0);
        fs->state = idle;
        start_request(fs);
+ unlock:
+        spin_unlock_irqrestore(&swim3_lock, flags);
 }
 static void xfer_timeout(unsigned long data)
@@ -612,8 +648,12 @@ static void xfer_timeout(unsigned long data)
        struct floppy_state *fs = (struct floppy_state *) data;
        struct swim3 __iomem *sw = fs->swim3;
        struct dbdma_regs __iomem *dr = fs->dma;
+        unsigned long flags;
        int n;
+        swim3_dbg("* xfer timeout, state=%d\n", fs->state);
+        spin_lock_irqsave(&swim3_lock, flags);
        fs->timeout_pending = 0;
        out_le32(&dr->control, RUN << 16);
        /* We must wait a bit for dbdma to stop */
@@ -622,12 +662,13 @@ static void xfer_timeout(unsigned long data)
        out_8(&sw->intr_enable, 0);
        out_8(&sw->control_bic, WRITE_SECTORS | DO_ACTION);
        out_8(&sw->select, RELAX);
-        printk(KERN_ERR "swim3: timeout %sing sector %ld\n",
+        swim3_err("Timeout %sing sector %ld\n",
-               (rq_data_dir(fd_req)==WRITE? "writ": "read"),
+               (rq_data_dir(fs->cur_req)==WRITE? "writ": "read"),
-               (long)blk_rq_pos(fd_req));
+               (long)blk_rq_pos(fs->cur_req));
-        swim3_end_request_cur(-EIO);
+        swim3_end_request(fs, -EIO, 0);
        fs->state = idle;
        start_request(fs);
+        spin_unlock_irqrestore(&swim3_lock, flags);
 }
 static irqreturn_t swim3_interrupt(int irq, void *dev_id)
@@ -638,12 +679,17 @@ static irqreturn_t swim3_interrupt(int irq, void *dev_id)
        int stat, resid;
        struct dbdma_regs __iomem *dr;
        struct dbdma_cmd *cp;
+        unsigned long flags;
+        struct request *req = fs->cur_req;
+        swim3_dbg("* interrupt, state=%d\n", fs->state);
+        spin_lock_irqsave(&swim3_lock, flags);
        intr = in_8(&sw->intr);
        err = (intr & ERROR_INTR)? in_8(&sw->error): 0;
        if ((intr & ERROR_INTR) && fs->state != do_transfer)
-                printk(KERN_ERR "swim3_interrupt, state=%d, dir=%x, intr=%x, err=%x\n",
+                swim3_err("Non-transfer error interrupt: state=%d, dir=%x, intr=%x, err=%x\n",
-                       fs->state, rq_data_dir(fd_req), intr, err);
+                          fs->state, rq_data_dir(req), intr, err);
        switch (fs->state) {
        case locating:
                if (intr & SEEN_SECTOR) {
@@ -653,10 +699,10 @@ static irqreturn_t swim3_interrupt(int irq, void *dev_id)
                        del_timer(&fs->timeout);
                        fs->timeout_pending = 0;
                        if (sw->ctrack == 0xff) {
-                                printk(KERN_ERR "swim3: seen sector but cyl=ff?\n");
+                                swim3_err("%s", "Seen sector but cyl=ff?\n");
                                fs->cur_cyl = -1;
                                if (fs->retries > 5) {
-                                        swim3_end_request_cur(-EIO);
+                                        swim3_end_request(fs, -EIO, 0);
                                        fs->state = idle;
                                        start_request(fs);
                                } else {
@@ -668,8 +714,8 @@ static irqreturn_t swim3_interrupt(int irq, void *dev_id)
                        fs->cur_cyl = sw->ctrack;
                        fs->cur_sector = sw->csect;
                        if (fs->expect_cyl != -1 && fs->expect_cyl != fs->cur_cyl)
-                                printk(KERN_ERR "swim3: expected cyl %d, got %d\n",
+                                swim3_err("Expected cyl %d, got %d\n",
-                                       fs->expect_cyl, fs->cur_cyl);
+                                          fs->expect_cyl, fs->cur_cyl);
                        fs->state = do_transfer;
                        act(fs);
                }
@@ -704,7 +750,7 @@ static irqreturn_t swim3_interrupt(int irq, void *dev_id)
                fs->timeout_pending = 0;
                dr = fs->dma;
                cp = fs->dma_cmd;
-                if (rq_data_dir(fd_req) == WRITE)
+                if (rq_data_dir(req) == WRITE)
                        ++cp;
                /*
                 * Check that the main data transfer has finished.
@@ -729,31 +775,32 @@ static irqreturn_t swim3_interrupt(int irq, void *dev_id)
                if (intr & ERROR_INTR) {
                        n = fs->scount - 1 - resid / 512;
                        if (n > 0) {
-                                blk_update_request(fd_req, 0, n << 9);
+                                blk_update_request(req, 0, n << 9);
                                fs->req_sector += n;
                        }
                        if (fs->retries < 5) {
                                ++fs->retries;
                                act(fs);
                        } else {
-                                printk("swim3: error %sing block %ld (err=%x)\n",
+                                swim3_err("Error %sing block %ld (err=%x)\n",
-                                       rq_data_dir(fd_req) == WRITE? "writ": "read",
+                                       rq_data_dir(req) == WRITE? "writ": "read",
-                                       (long)blk_rq_pos(fd_req), err);
+                                       (long)blk_rq_pos(req), err);
-                                swim3_end_request_cur(-EIO);
+                                swim3_end_request(fs, -EIO, 0);
                                fs->state = idle;
                        }
                } else {
                        if ((stat & ACTIVE) == 0 || resid != 0) {
                                /* musta been an error */
-                                printk(KERN_ERR "swim3: fd dma: stat=%x resid=%d\n", stat, resid);
+                                swim3_err("fd dma error: stat=%x resid=%d\n", stat, resid);
-                                printk(KERN_ERR "  state=%d, dir=%x, intr=%x, err=%x\n",
+                                swim3_err("  state=%d, dir=%x, intr=%x, err=%x\n",
-                                       fs->state, rq_data_dir(fd_req), intr, err);
+                                          fs->state, rq_data_dir(req), intr, err);
-                                swim3_end_request_cur(-EIO);
+                                swim3_end_request(fs, -EIO, 0);
                                fs->state = idle;
                                start_request(fs);
                                break;
                        }
-                        if (swim3_end_request(0, fs->scount << 9)) {
+                        fs->retries = 0;
+                        if (swim3_end_request(fs, 0, fs->scount << 9)) {
                                fs->req_sector += fs->scount;
                                if (fs->req_sector > fs->secpertrack) {
                                        fs->req_sector -= fs->secpertrack;
@@ -770,8 +817,9 @@ static irqreturn_t swim3_interrupt(int irq, void *dev_id)
                        start_request(fs);
                break;
        default:
-                printk(KERN_ERR "swim3: don't know what to do in state %d\n", fs->state);
+                swim3_err("Don't know what to do in state %d\n", fs->state);
        }
+        spin_unlock_irqrestore(&swim3_lock, flags);
        return IRQ_HANDLED;
 }
@@ -781,26 +829,31 @@ static void fd_dma_interrupt(int irq, void *dev_id)
 }
 */
+/* Called under the mutex to grab exclusive access to a drive */
 static int grab_drive(struct floppy_state *fs, enum swim_state state,
                      int interruptible)
 {
        unsigned long flags;
-        spin_lock_irqsave(&fs->lock, flags);
+        swim3_dbg("%s", "-> grab drive\n");
-        if (fs->state != idle) {
+        spin_lock_irqsave(&swim3_lock, flags);
+        if (fs->state != idle && fs->state != available) {
                ++fs->wanted;
                while (fs->state != available) {
+                        spin_unlock_irqrestore(&swim3_lock, flags);
                        if (interruptible && signal_pending(current)) {
                                --fs->wanted;
-                                spin_unlock_irqrestore(&fs->lock, flags);
                                return -EINTR;
                        }
                        interruptible_sleep_on(&fs->wait);
+                        spin_lock_irqsave(&swim3_lock, flags);
                }
                --fs->wanted;
        }
        fs->state = state;
-        spin_unlock_irqrestore(&fs->lock, flags);
+        spin_unlock_irqrestore(&swim3_lock, flags);
        return 0;
 }
@@ -808,10 +861,12 @@ static void release_drive(struct floppy_state *fs)
 {
        unsigned long flags;
-        spin_lock_irqsave(&fs->lock, flags);
+        swim3_dbg("%s", "-> release drive\n");
+        spin_lock_irqsave(&swim3_lock, flags);
        fs->state = idle;
        start_request(fs);
-        spin_unlock_irqrestore(&fs->lock, flags);
+        spin_unlock_irqrestore(&swim3_lock, flags);
 }
 static int fd_eject(struct floppy_state *fs)
@@ -966,6 +1021,7 @@ static int floppy_release(struct gendisk *disk, fmode_t mode)
 {
        struct floppy_state *fs = disk->private_data;
        struct swim3 __iomem *sw = fs->swim3;
        mutex_lock(&swim3_mutex);
        if (fs->ref_count > 0 && --fs->ref_count == 0) {
                swim3_action(fs, MOTOR_OFF);
@@ -1031,30 +1087,48 @@ static const struct block_device_operations floppy_fops = {
        .revalidate_disk= floppy_revalidate,
 };
+static void swim3_mb_event(struct macio_dev* mdev, int mb_state)
+{
+        struct floppy_state *fs = macio_get_drvdata(mdev);
+        struct swim3 __iomem *sw = fs->swim3;
+        if (!fs)
+                return;
+        if (mb_state != MB_FD)
+                return;
+        /* Clear state */
+        out_8(&sw->intr_enable, 0);
+        in_8(&sw->intr);
+        in_8(&sw->error);
+}
 static int swim3_add_device(struct macio_dev *mdev, int index)
 {
        struct device_node *swim = mdev->ofdev.dev.of_node;
        struct floppy_state *fs = &floppy_states[index];
        int rc = -EBUSY;
+        /* Do this first for message macros */
+        memset(fs, 0, sizeof(*fs));
+        fs->mdev = mdev;
+        fs->index = index;
        /* Check & Request resources */
        if (macio_resource_count(mdev) < 2) {
-                printk(KERN_WARNING "ifd%d: no address for %s\n",
+                swim3_err("%s", "No address in device-tree\n");
-                       index, swim->full_name);
                return -ENXIO;
        }
-        if (macio_irq_count(mdev) < 2) {
+        if (macio_irq_count(mdev) < 1) {
-                printk(KERN_WARNING "fd%d: no intrs for device %s\n",
+                swim3_err("%s", "No interrupt in device-tree\n");
-                        index, swim->full_name);
+                return -ENXIO;
        }
        if (macio_request_resource(mdev, 0, "swim3 (mmio)")) {
-                printk(KERN_ERR "fd%d: can't request mmio resource for %s\n",
+                swim3_err("%s", "Can't request mmio resource\n");
-                       index, swim->full_name);
                return -EBUSY;
        }
        if (macio_request_resource(mdev, 1, "swim3 (dma)")) {
-                printk(KERN_ERR "fd%d: can't request dma resource for %s\n",
+                swim3_err("%s", "Can't request dma resource\n");
-                       index, swim->full_name);
                macio_release_resource(mdev, 0);
                return -EBUSY;
        }
@@ -1063,22 +1137,18 @@ static int swim3_add_device(struct macio_dev *mdev, int index)
        if (mdev->media_bay == NULL)
                pmac_call_feature(PMAC_FTR_SWIM3_ENABLE, swim, 0, 1);
        
-        memset(fs, 0, sizeof(*fs));
-        spin_lock_init(&fs->lock);
        fs->state = idle;
        fs->swim3 = (struct swim3 __iomem *)
                ioremap(macio_resource_start(mdev, 0), 0x200);
        if (fs->swim3 == NULL) {
-                printk("fd%d: couldn't map registers for %s\n",
+                swim3_err("%s", "Couldn't map mmio registers\n");
-                       index, swim->full_name);
                rc = -ENOMEM;
                goto out_release;
        }
        fs->dma = (struct dbdma_regs __iomem *)
                ioremap(macio_resource_start(mdev, 1), 0x200);
        if (fs->dma == NULL) {
-                printk("fd%d: couldn't map DMA for %s\n",
+                swim3_err("%s", "Couldn't map dma registers\n");
-                       index, swim->full_name);
                iounmap(fs->swim3);
                rc = -ENOMEM;
                goto out_release;
@@ -1090,31 +1160,25 @@ static int swim3_add_device(struct macio_dev *mdev, int index)
        fs->secpercyl = 36;
        fs->secpertrack = 18;
        fs->total_secs = 2880;
-        fs->mdev = mdev;
        init_waitqueue_head(&fs->wait);
        fs->dma_cmd = (struct dbdma_cmd *) DBDMA_ALIGN(fs->dbdma_cmd_space);
        memset(fs->dma_cmd, 0, 2 * sizeof(struct dbdma_cmd));
        st_le16(&fs->dma_cmd[1].command, DBDMA_STOP);
+        if (mdev->media_bay == NULL || check_media_bay(mdev->media_bay) == MB_FD)
+                swim3_mb_event(mdev, MB_FD);
        if (request_irq(fs->swim3_intr, swim3_interrupt, 0, "SWIM3", fs)) {
-                printk(KERN_ERR "fd%d: couldn't request irq %d for %s\n",
+                swim3_err("%s", "Couldn't request interrupt\n");
-                       index, fs->swim3_intr, swim->full_name);
                pmac_call_feature(PMAC_FTR_SWIM3_ENABLE, swim, 0, 0);
                goto out_unmap;
                return -EBUSY;
        }
-/*
-        if (request_irq(fs->dma_intr, fd_dma_interrupt, 0, "SWIM3-dma", fs)) {
-                printk(KERN_ERR "Couldn't get irq %d for SWIM3 DMA",
-                       fs->dma_intr);
-                return -EBUSY;
-        }
-*/
        init_timer(&fs->timeout);
-        printk(KERN_INFO "fd%d: SWIM3 floppy controller %s\n", floppy_count,
+        swim3_info("SWIM3 floppy controller %s\n",
                mdev->media_bay ? "in media bay" : "");
        return 0;
@@ -1132,41 +1196,42 @@ static int swim3_add_device(struct macio_dev *mdev, int index)
 static int __devinit swim3_attach(struct macio_dev *mdev, const struct of_device_id *match)
 {
-        int i, rc;
        struct gendisk *disk;
+        int index, rc;
+        index = floppy_count++;
+        if (index >= MAX_FLOPPIES)
+                return -ENXIO;
        /* Add the drive */
-        rc = swim3_add_device(mdev, floppy_count);
+        rc = swim3_add_device(mdev, index);
        if (rc)
                return rc;
+        /* Now register that disk. Same comment about failure handling */
+        disk = disks[index] = alloc_disk(1);
+        if (disk == NULL)
+                return -ENOMEM;
+        disk->queue = blk_init_queue(do_fd_request, &swim3_lock);
+        if (disk->queue == NULL) {
+                put_disk(disk);
+                return -ENOMEM;
+        }
+        disk->queue->queuedata = &floppy_states[index];
-        /* Now create the queue if not there yet */
+        if (index == 0) {
-        if (swim3_queue == NULL) {
                /* If we failed, there isn't much we can do as the driver is still
                 * too dumb to remove the device, just bail out
                 */
                if (register_blkdev(FLOPPY_MAJOR, "fd"))
                        return 0;
-                swim3_queue = blk_init_queue(do_fd_request, &swim3_lock);
-                if (swim3_queue == NULL) {
-                        unregister_blkdev(FLOPPY_MAJOR, "fd");
-                        return 0;
-                }
        }
-        /* Now register that disk. Same comment about failure handling */
-        i = floppy_count++;
-        disk = disks[i] = alloc_disk(1);
-        if (disk == NULL)
-                return 0;
        disk->major = FLOPPY_MAJOR;
-        disk->first_minor = i;
+        disk->first_minor = index;
        disk->fops = &floppy_fops;
-        disk->private_data = &floppy_states[i];
+        disk->private_data = &floppy_states[index];
-        disk->queue = swim3_queue;
        disk->flags |= GENHD_FL_REMOVABLE;
-        sprintf(disk->disk_name, "fd%d", i);
+        sprintf(disk->disk_name, "fd%d", index);
        set_capacity(disk, 2880);
        add_disk(disk);
@@ -1194,6 +1259,9 @@ static struct macio_driver swim3_driver =
                .of_match_table = swim3_match,
        },
        .probe          = swim3_attach,
+#ifdef CONFIG_PMAC_MEDIABAY
+        .mediabay_event = swim3_mb_event,
+#endif
 #if 0
        .suspend        = swim3_suspend,
        .resume         = swim3_resume,
diff --git a/drivers/bluetooth/Kconfig b/drivers/bluetooth/Kconfig
index 11b41fd40c27..5ccf142ef0b8 100644
--- a/drivers/bluetooth/Kconfig
+++ b/drivers/bluetooth/Kconfig
@@ -188,7 +188,7 @@ config BT_MRVL
          The core driver to support Marvell Bluetooth devices.
          This driver is required if you want to support
-          Marvell Bluetooth devices, such as 8688/8787.
+          Marvell Bluetooth devices, such as 8688/8787/8797.
          Say Y here to compile Marvell Bluetooth driver
          into the kernel or say M to compile it as module.
@@ -201,8 +201,8 @@ config BT_MRVL_SDIO
          The driver for Marvell Bluetooth chipsets with SDIO interface.
          This driver is required if you want to use Marvell Bluetooth
-          devices with SDIO interface. Currently SD8688/SD8787 chipsets are
+          devices with SDIO interface. Currently SD8688/SD8787/SD8797
-          supported.
+          chipsets are supported.
          Say Y here to compile support for Marvell BT-over-SDIO driver
          into the kernel or say M to compile it as module.
diff --git a/drivers/bluetooth/btmrvl_sdio.c b/drivers/bluetooth/btmrvl_sdio.c
index 9ef48167e2cf..27b74b0d547b 100644
--- a/drivers/bluetooth/btmrvl_sdio.c
+++ b/drivers/bluetooth/btmrvl_sdio.c
@@ -65,7 +65,7 @@ static const struct btmrvl_sdio_card_reg btmrvl_reg_8688 = {
        .io_port_1 = 0x01,
        .io_port_2 = 0x02,
 };
-static const struct btmrvl_sdio_card_reg btmrvl_reg_8787 = {
+static const struct btmrvl_sdio_card_reg btmrvl_reg_87xx = {
        .cfg = 0x00,
        .host_int_mask = 0x02,
        .host_intstatus = 0x03,
@@ -92,7 +92,14 @@ static const struct btmrvl_sdio_device btmrvl_sdio_sd8688 = {
 static const struct btmrvl_sdio_device btmrvl_sdio_sd8787 = {
        .helper         = NULL,
        .firmware       = "mrvl/sd8787_uapsta.bin",
-        .reg            = &btmrvl_reg_8787,
+        .reg            = &btmrvl_reg_87xx,
+        .sd_blksz_fw_dl = 256,
+};
+static const struct btmrvl_sdio_device btmrvl_sdio_sd8797 = {
+        .helper         = NULL,
+        .firmware       = "mrvl/sd8797_uapsta.bin",
+        .reg            = &btmrvl_reg_87xx,
        .sd_blksz_fw_dl = 256,
 };
@@ -103,6 +110,9 @@ static const struct sdio_device_id btmrvl_sdio_ids[] = {
        /* Marvell SD8787 Bluetooth device */
        { SDIO_DEVICE(SDIO_VENDOR_ID_MARVELL, 0x911A),
                        .driver_data = (unsigned long) &btmrvl_sdio_sd8787 },
+        /* Marvell SD8797 Bluetooth device */
+        { SDIO_DEVICE(SDIO_VENDOR_ID_MARVELL, 0x912A),
+                        .driver_data = (unsigned long) &btmrvl_sdio_sd8797 },
        { }     /* Terminating entry */
 };
@@ -1076,3 +1086,4 @@ MODULE_LICENSE("GPL v2");
 MODULE_FIRMWARE("sd8688_helper.bin");
 MODULE_FIRMWARE("sd8688.bin");
 MODULE_FIRMWARE("mrvl/sd8787_uapsta.bin");
+MODULE_FIRMWARE("mrvl/sd8797_uapsta.bin");
diff --git a/drivers/bluetooth/btusb.c b/drivers/bluetooth/btusb.c
index f9b726091ad0..eabc437ce500 100644
--- a/drivers/bluetooth/btusb.c
+++ b/drivers/bluetooth/btusb.c
@@ -100,6 +100,9 @@ static struct usb_device_id btusb_table[] = {
        /* Canyon CN-BTU1 with HID interfaces */
        { USB_DEVICE(0x0c10, 0x0000) },
+        /* Broadcom BCM20702A0 */
+        { USB_DEVICE(0x413c, 0x8197) },
        { }     /* Terminating entry */
 };
@@ -774,9 +777,8 @@ skip_waking:
                usb_mark_last_busy(data->udev);
        }
-        usb_free_urb(urb);
 done:
+        usb_free_urb(urb);
        return err;
 }
diff --git a/drivers/char/agp/intel-gtt.c b/drivers/char/agp/intel-gtt.c
index 66cd0b8096ca..c92424ca1a55 100644
--- a/drivers/char/agp/intel-gtt.c
+++ b/drivers/char/agp/intel-gtt.c
@@ -1186,10 +1186,11 @@ static void gen6_cleanup(void)
 /* Certain Gen5 chipsets require require idling the GPU before
 * unmapping anything from the GTT when VT-d is enabled.
 */
-extern int intel_iommu_gfx_mapped;
 static inline int needs_idle_maps(void)
 {
+#ifdef CONFIG_INTEL_IOMMU
        const unsigned short gpu_devid = intel_private.pcidev->device;
+        extern int intel_iommu_gfx_mapped;
        /* Query intel_iommu to see if we need the workaround. Presumably that
         * was loaded first.
@@ -1198,7 +1199,7 @@ static inline int needs_idle_maps(void)
             gpu_devid == PCI_DEVICE_ID_INTEL_IRONLAKE_M_IG) &&
             intel_iommu_gfx_mapped)
                return 1;
+#endif
        return 0;
 }
@@ -1236,7 +1237,7 @@ static int i9xx_setup(void)
                intel_private.gtt_bus_addr = reg_addr + gtt_offset;
        }
-        if (needs_idle_maps());
+        if (needs_idle_maps())
                intel_private.base.do_idle_maps = 1;
        intel_i9xx_setup_flush();
diff --git a/drivers/char/random.c b/drivers/char/random.c
index 63e19ba56bbe..6035ab8d5ef7 100644
--- a/drivers/char/random.c
+++ b/drivers/char/random.c
@@ -941,7 +941,7 @@ void get_random_bytes(void *buf, int nbytes)
                if (!arch_get_random_long(&v))
                        break;
                
-                memcpy(buf, &v, chunk);
+                memcpy(p, &v, chunk);
                p += chunk;
                nbytes -= chunk;
        }
diff --git a/drivers/cpufreq/db8500-cpufreq.c b/drivers/cpufreq/db8500-cpufreq.c
index edaa987621ea..f5002015d82e 100644
--- a/drivers/cpufreq/db8500-cpufreq.c
+++ b/drivers/cpufreq/db8500-cpufreq.c
@@ -109,7 +109,7 @@ static unsigned int db8500_cpufreq_getspeed(unsigned int cpu)
 static int __cpuinit db8500_cpufreq_init(struct cpufreq_policy *policy)
 {
-        int res;
+        int i, res;
        BUILD_BUG_ON(ARRAY_SIZE(idx2opp) + 1 != ARRAY_SIZE(freq_table));
@@ -120,8 +120,8 @@ static int __cpuinit db8500_cpufreq_init(struct cpufreq_policy *policy)
                        freq_table[3].frequency = 1000000;
        }
        pr_info("db8500-cpufreq : Available frequencies:\n");
-        while (freq_table[i].frequency != CPUFREQ_TABLE_END)
+        for (i = 0; freq_table[i].frequency != CPUFREQ_TABLE_END; i++)
-                pr_info("  %d Mhz\n", freq_table[i++].frequency/1000);
+                pr_info("  %d Mhz\n", freq_table[i].frequency/1000);
        /* get policy fields based on the table */
        res = cpufreq_frequency_table_cpuinfo(policy, freq_table);
diff --git a/drivers/crypto/mv_cesa.c b/drivers/crypto/mv_cesa.c
index 5c6f56f21443..dcd8babae9eb 100644
--- a/drivers/crypto/mv_cesa.c
+++ b/drivers/crypto/mv_cesa.c
@@ -343,11 +343,13 @@ static void mv_process_hash_current(int first_block)
                else
                        op.config |= CFG_MID_FRAG;
-                writel(req_ctx->state[0], cpg->reg + DIGEST_INITIAL_VAL_A);
+                if (first_block) {
-                writel(req_ctx->state[1], cpg->reg + DIGEST_INITIAL_VAL_B);
+                        writel(req_ctx->state[0], cpg->reg + DIGEST_INITIAL_VAL_A);
-                writel(req_ctx->state[2], cpg->reg + DIGEST_INITIAL_VAL_C);
+                        writel(req_ctx->state[1], cpg->reg + DIGEST_INITIAL_VAL_B);
-                writel(req_ctx->state[3], cpg->reg + DIGEST_INITIAL_VAL_D);
+                        writel(req_ctx->state[2], cpg->reg + DIGEST_INITIAL_VAL_C);
-                writel(req_ctx->state[4], cpg->reg + DIGEST_INITIAL_VAL_E);
+                        writel(req_ctx->state[3], cpg->reg + DIGEST_INITIAL_VAL_D);
+                        writel(req_ctx->state[4], cpg->reg + DIGEST_INITIAL_VAL_E);
+                }
        }
        memcpy(cpg->sram + SRAM_CONFIG, &op, sizeof(struct sec_accel_config));
diff --git a/drivers/devfreq/Kconfig b/drivers/devfreq/Kconfig
index 643b055ed3cd..8f0491037080 100644
--- a/drivers/devfreq/Kconfig
+++ b/drivers/devfreq/Kconfig
@@ -1,36 +1,29 @@
-config ARCH_HAS_DEVFREQ
-        bool
-        depends on ARCH_HAS_OPP
-        help
-          Denotes that the architecture supports DEVFREQ. If the architecture
-          supports multiple OPP entries per device and the frequency of the
-          devices with OPPs may be altered dynamically, the architecture
-          supports DEVFREQ.
 menuconfig PM_DEVFREQ
        bool "Generic Dynamic Voltage and Frequency Scaling (DVFS) support"
-        depends on PM_OPP && ARCH_HAS_DEVFREQ
        help
-          With OPP support, a device may have a list of frequencies and
+          A device may have a list of frequencies and voltages available.
-          voltages available. DEVFREQ, a generic DVFS framework can be
+          devfreq, a generic DVFS framework can be registered for a device
-          registered for a device with OPP support in order to let the
+          in order to let the governor provided to devfreq choose an
-          governor provided to DEVFREQ choose an operating frequency
+          operating frequency based on the device driver's policy.
-          based on the OPP's list and the policy given with DEVFREQ.
-          Each device may have its own governor and policy. DEVFREQ can
+          Each device may have its own governor and policy. Devfreq can
          reevaluate the device state periodically and/or based on the
-          OPP list changes (each frequency/voltage pair in OPP may be
+          notification to "nb", a notifier block, of devfreq.
-          disabled or enabled).
-          Like some CPUs with CPUFREQ, a device may have multiple clocks.
+          Like some CPUs with CPUfreq, a device may have multiple clocks.
          However, because the clock frequencies of a single device are
-          determined by the single device's state, an instance of DEVFREQ
+          determined by the single device's state, an instance of devfreq
          is attached to a single device and returns a "representative"
-          clock frequency from the OPP of the device, which is also attached
+          clock frequency of the device, which is also attached
-          to a device by 1-to-1. The device registering DEVFREQ takes the
+          to a device by 1-to-1. The device registering devfreq takes the
-          responsiblity to "interpret" the frequency listed in OPP and
+          responsiblity to "interpret" the representative frequency and
          to set its every clock accordingly with the "target" callback
-          given to DEVFREQ.
+          given to devfreq.
+          When OPP is used with the devfreq device, it is recommended to
+          register devfreq's nb to the OPP's notifier head.  If OPP is
+          used with the devfreq device, you may use OPP helper
+          functions defined in devfreq.h.
 if PM_DEVFREQ
diff --git a/drivers/devfreq/devfreq.c b/drivers/devfreq/devfreq.c
index 5d15b812377b..59d24e9cb8c5 100644
--- a/drivers/devfreq/devfreq.c
+++ b/drivers/devfreq/devfreq.c
@@ -15,7 +15,9 @@
 #include <linux/errno.h>
 #include <linux/err.h>
 #include <linux/init.h>
+#include <linux/module.h>
 #include <linux/slab.h>
+#include <linux/stat.h>
 #include <linux/opp.h>
 #include <linux/devfreq.h>
 #include <linux/workqueue.h>
@@ -416,10 +418,14 @@ out:
 */
 int devfreq_remove_device(struct devfreq *devfreq)
 {
+        bool central_polling;
        if (!devfreq)
                return -EINVAL;
-        if (!devfreq->governor->no_central_polling) {
+        central_polling = !devfreq->governor->no_central_polling;
+        if (central_polling) {
                mutex_lock(&devfreq_list_lock);
                while (wait_remove_device == devfreq) {
                        mutex_unlock(&devfreq_list_lock);
@@ -431,7 +437,7 @@ int devfreq_remove_device(struct devfreq *devfreq)
        mutex_lock(&devfreq->lock);
        _remove_devfreq(devfreq, false); /* it unlocks devfreq->lock */
-        if (!devfreq->governor->no_central_polling)
+        if (central_polling)
                mutex_unlock(&devfreq_list_lock);
        return 0;
diff --git a/drivers/edac/mpc85xx_edac.c b/drivers/edac/mpc85xx_edac.c
index 8af8e864a9cf..73464a62adf7 100644
--- a/drivers/edac/mpc85xx_edac.c
+++ b/drivers/edac/mpc85xx_edac.c
@@ -1128,7 +1128,7 @@ static struct of_device_id mpc85xx_mc_err_of_match[] = {
        { .compatible = "fsl,p1020-memory-controller", },
        { .compatible = "fsl,p1021-memory-controller", },
        { .compatible = "fsl,p2020-memory-controller", },
-        { .compatible = "fsl,p4080-memory-controller", },
+        { .compatible = "fsl,qoriq-memory-controller", },
        {},
 };
 MODULE_DEVICE_TABLE(of, mpc85xx_mc_err_of_match);
diff --git a/drivers/firmware/dmi_scan.c b/drivers/firmware/dmi_scan.c
index bcb1126e3d00..153980be4ee6 100644
--- a/drivers/firmware/dmi_scan.c
+++ b/drivers/firmware/dmi_scan.c
@@ -585,14 +585,12 @@ int dmi_name_in_serial(const char *str)
 }
 /**
- *      dmi_name_in_vendors - Check if string is anywhere in the DMI vendor information.
+ *      dmi_name_in_vendors - Check if string is in the DMI system or board vendor name
 *      @str:   Case sensitive Name
 */
 int dmi_name_in_vendors(const char *str)
 {
-        static int fields[] = { DMI_BIOS_VENDOR, DMI_BIOS_VERSION, DMI_SYS_VENDOR,
+        static int fields[] = { DMI_SYS_VENDOR, DMI_BOARD_VENDOR, DMI_NONE };
-                                DMI_PRODUCT_NAME, DMI_PRODUCT_VERSION, DMI_BOARD_VENDOR,
-                                DMI_BOARD_NAME, DMI_BOARD_VERSION, DMI_NONE };
        int i;
        for (i = 0; fields[i] != DMI_NONE; i++) {
                int f = fields[i];
diff --git a/drivers/firmware/efivars.c b/drivers/firmware/efivars.c
index 8370f72d87ff..b0a81173a268 100644
--- a/drivers/firmware/efivars.c
+++ b/drivers/firmware/efivars.c
@@ -457,7 +457,8 @@ static int efi_pstore_close(struct pstore_info *psi)
 }
 static ssize_t efi_pstore_read(u64 *id, enum pstore_type_id *type,
-                               struct timespec *timespec, struct pstore_info *psi)
+                               struct timespec *timespec,
+                               char **buf, struct pstore_info *psi)
 {
        efi_guid_t vendor = LINUX_EFI_CRASH_GUID;
        struct efivars *efivars = psi->data;
@@ -478,7 +479,11 @@ static ssize_t efi_pstore_read(u64 *id, enum pstore_type_id *type,
                                timespec->tv_nsec = 0;
                                get_var_data_locked(efivars, &efivars->walk_entry->var);
                                size = efivars->walk_entry->var.DataSize;
-                                memcpy(psi->buf, efivars->walk_entry->var.Data, size);
+                                *buf = kmalloc(size, GFP_KERNEL);
+                                if (*buf == NULL)
+                                        return -ENOMEM;
+                                memcpy(*buf, efivars->walk_entry->var.Data,
+                                       size);
                                efivars->walk_entry = list_entry(efivars->walk_entry->list.next,
                                                   struct efivar_entry, list);
                                return size;
@@ -576,7 +581,8 @@ static int efi_pstore_close(struct pstore_info *psi)
 }
 static ssize_t efi_pstore_read(u64 *id, enum pstore_type_id *type,
-                               struct timespec *time, struct pstore_info *psi)
+                               struct timespec *timespec,
+                               char **buf, struct pstore_info *psi)
 {
        return -1;
 }
diff --git a/drivers/firmware/iscsi_ibft.c b/drivers/firmware/iscsi_ibft.c
index c811cb107904..2cce44a1d7d0 100644
--- a/drivers/firmware/iscsi_ibft.c
+++ b/drivers/firmware/iscsi_ibft.c
@@ -746,6 +746,37 @@ static void __exit ibft_exit(void)
        ibft_cleanup();
 }
+#ifdef CONFIG_ACPI
+static const struct {
+        char *sign;
+} ibft_signs[] = {
+        /*
+         * One spec says "IBFT", the other says "iBFT". We have to check
+         * for both.
+         */
+        { ACPI_SIG_IBFT },
+        { "iBFT" },
+};
+static void __init acpi_find_ibft_region(void)
+{
+        int i;
+        struct acpi_table_header *table = NULL;
+        if (acpi_disabled)
+                return;
+        for (i = 0; i < ARRAY_SIZE(ibft_signs) && !ibft_addr; i++) {
+                acpi_get_table(ibft_signs[i].sign, 0, &table);
+                ibft_addr = (struct acpi_table_ibft *)table;
+        }
+}
+#else
+static void __init acpi_find_ibft_region(void)
+{
+}
+#endif
 /*
 * ibft_init() - creates sysfs tree entries for the iBFT data.
 */
@@ -753,9 +784,16 @@ static int __init ibft_init(void)
 {
        int rc = 0;
+        /*
+           As on UEFI systems the setup_arch()/find_ibft_region()
+           is called before ACPI tables are parsed and it only does
+           legacy finding.
+        */
+        if (!ibft_addr)
+                acpi_find_ibft_region();
        if (ibft_addr) {
-                printk(KERN_INFO "iBFT detected at 0x%llx.\n",
+                pr_info("iBFT detected.\n");
-                       (u64)isa_virt_to_bus(ibft_addr));
                rc = ibft_check_device();
                if (rc)
diff --git a/drivers/firmware/iscsi_ibft_find.c b/drivers/firmware/iscsi_ibft_find.c
index bfe723266fd8..4da4eb9ae926 100644
--- a/drivers/firmware/iscsi_ibft_find.c
+++ b/drivers/firmware/iscsi_ibft_find.c
@@ -45,13 +45,6 @@ EXPORT_SYMBOL_GPL(ibft_addr);
 static const struct {
        char *sign;
 } ibft_signs[] = {
-#ifdef CONFIG_ACPI
-        /*
-         * One spec says "IBFT", the other says "iBFT". We have to check
-         * for both.
-         */
-        { ACPI_SIG_IBFT },
-#endif
        { "iBFT" },
        { "BIFT" },     /* Broadcom iSCSI Offload */
 };
@@ -62,14 +55,6 @@ static const struct {
 #define VGA_MEM 0xA0000 /* VGA buffer */
 #define VGA_SIZE 0x20000 /* 128kB */
-#ifdef CONFIG_ACPI
-static int __init acpi_find_ibft(struct acpi_table_header *header)
-{
-        ibft_addr = (struct acpi_table_ibft *)header;
-        return 0;
-}
-#endif /* CONFIG_ACPI */
 static int __init find_ibft_in_mem(void)
 {
        unsigned long pos;
@@ -94,6 +79,7 @@ static int __init find_ibft_in_mem(void)
                                 * the table cannot be valid. */
                                if (pos + len <= (IBFT_END-1)) {
                                        ibft_addr = (struct acpi_table_ibft *)virt;
+                                        pr_info("iBFT found at 0x%lx.\n", pos);
                                        goto done;
                                }
                        }
@@ -108,20 +94,12 @@ done:
 */
 unsigned long __init find_ibft_region(unsigned long *sizep)
 {
-#ifdef CONFIG_ACPI
-        int i;
-#endif
        ibft_addr = NULL;
-#ifdef CONFIG_ACPI
-        for (i = 0; i < ARRAY_SIZE(ibft_signs) && !ibft_addr; i++)
-                acpi_table_parse(ibft_signs[i].sign, acpi_find_ibft);
-#endif /* CONFIG_ACPI */
        /* iBFT 1.03 section 1.4.3.1 mandates that UEFI machines will
         * only use ACPI for this */
-        if (!ibft_addr && !efi_enabled)
+        if (!efi_enabled)
                find_ibft_in_mem();
        if (ibft_addr) {
diff --git a/drivers/firmware/sigma.c b/drivers/firmware/sigma.c
index f10fc521951b..1eedb6f7fdab 100644
--- a/drivers/firmware/sigma.c
+++ b/drivers/firmware/sigma.c
@@ -14,13 +14,34 @@
 #include <linux/module.h>
 #include <linux/sigma.h>
-/* Return: 0==OK, <0==error, =1 ==no more actions */
+static size_t sigma_action_size(struct sigma_action *sa)
+{
+        size_t payload = 0;
+        switch (sa->instr) {
+        case SIGMA_ACTION_WRITEXBYTES:
+        case SIGMA_ACTION_WRITESINGLE:
+        case SIGMA_ACTION_WRITESAFELOAD:
+                payload = sigma_action_len(sa);
+                break;
+        default:
+                break;
+        }
+        payload = ALIGN(payload, 2);
+        return payload + sizeof(struct sigma_action);
+}
+/*
+ * Returns a negative error value in case of an error, 0 if processing of
+ * the firmware should be stopped after this action, 1 otherwise.
+ */
 static int
-process_sigma_action(struct i2c_client *client, struct sigma_firmware *ssfw)
+process_sigma_action(struct i2c_client *client, struct sigma_action *sa)
 {
-        struct sigma_action *sa = (void *)(ssfw->fw->data + ssfw->pos);
        size_t len = sigma_action_len(sa);
-        int ret = 0;
+        int ret;
        pr_debug("%s: instr:%i addr:%#x len:%zu\n", __func__,
                sa->instr, sa->addr, len);
@@ -29,44 +50,50 @@ process_sigma_action(struct i2c_client *client, struct sigma_firmware *ssfw)
        case SIGMA_ACTION_WRITEXBYTES:
        case SIGMA_ACTION_WRITESINGLE:
        case SIGMA_ACTION_WRITESAFELOAD:
-                if (ssfw->fw->size < ssfw->pos + len)
-                        return -EINVAL;
                ret = i2c_master_send(client, (void *)&sa->addr, len);
                if (ret < 0)
                        return -EINVAL;
                break;
        case SIGMA_ACTION_DELAY:
-                ret = 0;
                udelay(len);
                len = 0;
                break;
        case SIGMA_ACTION_END:
-                return 1;
+                return 0;
        default:
                return -EINVAL;
        }
-        /* when arrive here ret=0 or sent data */
+        return 1;
-        ssfw->pos += sigma_action_size(sa, len);
-        return ssfw->pos == ssfw->fw->size;
 }
 static int
 process_sigma_actions(struct i2c_client *client, struct sigma_firmware *ssfw)
 {
-        pr_debug("%s: processing %p\n", __func__, ssfw);
+        struct sigma_action *sa;
+        size_t size;
+        int ret;
+        while (ssfw->pos + sizeof(*sa) <= ssfw->fw->size) {
+                sa = (struct sigma_action *)(ssfw->fw->data + ssfw->pos);
+                size = sigma_action_size(sa);
+                ssfw->pos += size;
+                if (ssfw->pos > ssfw->fw->size || size == 0)
+                        break;
+                ret = process_sigma_action(client, sa);
-        while (1) {
-                int ret = process_sigma_action(client, ssfw);
                pr_debug("%s: action returned %i\n", __func__, ret);
-                if (ret == 1)
-                        return 0;
+                if (ret <= 0)
-                else if (ret)
                        return ret;
        }
+        if (ssfw->pos != ssfw->fw->size)
+                return -EINVAL;
+        return 0;
 }
 int process_sigma_firmware(struct i2c_client *client, const char *name)
@@ -89,16 +116,24 @@ int process_sigma_firmware(struct i2c_client *client, const char *name)
        /* then verify the header */
        ret = -EINVAL;
-        if (fw->size < sizeof(*ssfw_head))
+        /*
+         * Reject too small or unreasonable large files. The upper limit has been
+         * chosen a bit arbitrarily, but it should be enough for all practical
+         * purposes and having the limit makes it easier to avoid integer
+         * overflows later in the loading process.
+         */
+        if (fw->size < sizeof(*ssfw_head) || fw->size >= 0x4000000)
                goto done;
        ssfw_head = (void *)fw->data;
        if (memcmp(ssfw_head->magic, SIGMA_MAGIC, ARRAY_SIZE(ssfw_head->magic)))
                goto done;
-        crc = crc32(0, fw->data, fw->size);
+        crc = crc32(0, fw->data + sizeof(*ssfw_head),
+                        fw->size - sizeof(*ssfw_head));
        pr_debug("%s: crc=%x\n", __func__, crc);
-        if (crc != ssfw_head->crc)
+        if (crc != le32_to_cpu(ssfw_head->crc))
                goto done;
        ssfw.pos = sizeof(*ssfw_head);
diff --git a/drivers/gpio/Makefile b/drivers/gpio/Makefile
index dbcb0bcfd8da..4e018d6a7639 100644
--- a/drivers/gpio/Makefile
+++ b/drivers/gpio/Makefile
@@ -18,7 +18,7 @@ obj-$(CONFIG_ARCH_DAVINCI)	+= gpio-davinci.o
 obj-$(CONFIG_GPIO_EP93XX)       += gpio-ep93xx.o
 obj-$(CONFIG_GPIO_IT8761E)      += gpio-it8761e.o
 obj-$(CONFIG_GPIO_JANZ_TTL)     += gpio-janz-ttl.o
-obj-$(CONFIG_MACH_KS8695)       += gpio-ks8695.o
+obj-$(CONFIG_ARCH_KS8695)       += gpio-ks8695.o
 obj-$(CONFIG_GPIO_LANGWELL)     += gpio-langwell.o
 obj-$(CONFIG_ARCH_LPC32XX)      += gpio-lpc32xx.o
 obj-$(CONFIG_GPIO_MAX730X)      += gpio-max730x.o
diff --git a/drivers/gpio/gpio-da9052.c b/drivers/gpio/gpio-da9052.c
index 038f5eb8b13d..f8ce29ef9f88 100644
--- a/drivers/gpio/gpio-da9052.c
+++ b/drivers/gpio/gpio-da9052.c
@@ -22,7 +22,6 @@
 #include <linux/mfd/da9052/da9052.h>
 #include <linux/mfd/da9052/reg.h>
 #include <linux/mfd/da9052/pdata.h>
-#include <linux/mfd/da9052/gpio.h>
 #define DA9052_INPUT                            1
 #define DA9052_OUTPUT_OPENDRAIN         2
@@ -43,6 +42,9 @@
 #define DA9052_GPIO_MASK_UPPER_NIBBLE           0xF0
 #define DA9052_GPIO_MASK_LOWER_NIBBLE           0x0F
 #define DA9052_GPIO_NIBBLE_SHIFT                4
+#define DA9052_IRQ_GPI0                 16
+#define DA9052_GPIO_ODD_SHIFT                   7
+#define DA9052_GPIO_EVEN_SHIFT                  3
 struct da9052_gpio {
        struct da9052 *da9052;
@@ -104,33 +106,26 @@ static int da9052_gpio_get(struct gpio_chip *gc, unsigned offset)
 static void da9052_gpio_set(struct gpio_chip *gc, unsigned offset, int value)
 {
        struct da9052_gpio *gpio = to_da9052_gpio(gc);
-        unsigned char register_value = 0;
        int ret;
        if (da9052_gpio_port_odd(offset)) {
-                if (value) {
-                        register_value = DA9052_GPIO_ODD_PORT_MODE;
                        ret = da9052_reg_update(gpio->da9052, (offset >> 1) +
                                                DA9052_GPIO_0_1_REG,
                                                DA9052_GPIO_ODD_PORT_MODE,
-                                                register_value);
+                                                value << DA9052_GPIO_ODD_SHIFT);
                        if (ret != 0)
                                dev_err(gpio->da9052->dev,
                                        "Failed to updated gpio odd reg,%d",
                                        ret);
-                }
        } else {
-                if (value) {
-                        register_value = DA9052_GPIO_EVEN_PORT_MODE;
                        ret = da9052_reg_update(gpio->da9052, (offset >> 1) +
                                                DA9052_GPIO_0_1_REG,
                                                DA9052_GPIO_EVEN_PORT_MODE,
-                                                register_value);
+                                                value << DA9052_GPIO_EVEN_SHIFT);
                        if (ret != 0)
                                dev_err(gpio->da9052->dev,
                                        "Failed to updated gpio even reg,%d",
                                        ret);
-                }
        }
 }
@@ -201,9 +196,9 @@ static struct gpio_chip reference_gp __devinitdata = {
        .direction_input = da9052_gpio_direction_input,
        .direction_output = da9052_gpio_direction_output,
        .to_irq = da9052_gpio_to_irq,
-        .can_sleep = 1;
+        .can_sleep = 1,
-        .ngpio = 16;
+        .ngpio = 16,
-        .base = -1;
+        .base = -1,
 };
 static int __devinit da9052_gpio_probe(struct platform_device *pdev)
diff --git a/drivers/gpio/gpio-ml-ioh.c b/drivers/gpio/gpio-ml-ioh.c
index ea8e73869250..461958fc2264 100644
--- a/drivers/gpio/gpio-ml-ioh.c
+++ b/drivers/gpio/gpio-ml-ioh.c
@@ -332,6 +332,34 @@ static void ioh_irq_mask(struct irq_data *d)
                  &chip->reg->regs[chip->ch].imask);
 }
+static void ioh_irq_disable(struct irq_data *d)
+{
+        struct irq_chip_generic *gc = irq_data_get_irq_chip_data(d);
+        struct ioh_gpio *chip = gc->private;
+        unsigned long flags;
+        u32 ien;
+        spin_lock_irqsave(&chip->spinlock, flags);
+        ien = ioread32(&chip->reg->regs[chip->ch].ien);
+        ien &= ~(1 << (d->irq - chip->irq_base));
+        iowrite32(ien, &chip->reg->regs[chip->ch].ien);
+        spin_unlock_irqrestore(&chip->spinlock, flags);
+}
+static void ioh_irq_enable(struct irq_data *d)
+{
+        struct irq_chip_generic *gc = irq_data_get_irq_chip_data(d);
+        struct ioh_gpio *chip = gc->private;
+        unsigned long flags;
+        u32 ien;
+        spin_lock_irqsave(&chip->spinlock, flags);
+        ien = ioread32(&chip->reg->regs[chip->ch].ien);
+        ien |= 1 << (d->irq - chip->irq_base);
+        iowrite32(ien, &chip->reg->regs[chip->ch].ien);
+        spin_unlock_irqrestore(&chip->spinlock, flags);
+}
 static irqreturn_t ioh_gpio_handler(int irq, void *dev_id)
 {
        struct ioh_gpio *chip = dev_id;
@@ -339,7 +367,7 @@ static irqreturn_t ioh_gpio_handler(int irq, void *dev_id)
        int i, j;
        int ret = IRQ_NONE;
-        for (i = 0; i < 8; i++) {
+        for (i = 0; i < 8; i++, chip++) {
                reg_val = ioread32(&chip->reg->regs[i].istatus);
                for (j = 0; j < num_ports[i]; j++) {
                        if (reg_val & BIT(j)) {
@@ -370,6 +398,8 @@ static __devinit void ioh_gpio_alloc_generic_chip(struct ioh_gpio *chip,
        ct->chip.irq_mask = ioh_irq_mask;
        ct->chip.irq_unmask = ioh_irq_unmask;
        ct->chip.irq_set_type = ioh_irq_type;
+        ct->chip.irq_disable = ioh_irq_disable;
+        ct->chip.irq_enable = ioh_irq_enable;
        irq_setup_generic_chip(gc, IRQ_MSK(num), IRQ_GC_INIT_MASK_CACHE,
                               IRQ_NOREQUEST | IRQ_NOPROBE, 0);
diff --git a/drivers/gpio/gpio-mpc8xxx.c b/drivers/gpio/gpio-mpc8xxx.c
index ec3fcf0a7e12..5cd04b65c556 100644
--- a/drivers/gpio/gpio-mpc8xxx.c
+++ b/drivers/gpio/gpio-mpc8xxx.c
@@ -132,6 +132,15 @@ static int mpc8xxx_gpio_dir_out(struct gpio_chip *gc, unsigned int gpio, int val
        return 0;
 }
+static int mpc5121_gpio_dir_out(struct gpio_chip *gc, unsigned int gpio, int val)
+{
+        /* GPIO 28..31 are input only on MPC5121 */
+        if (gpio >= 28)
+                return -EINVAL;
+        return mpc8xxx_gpio_dir_out(gc, gpio, val);
+}
 static int mpc8xxx_gpio_to_irq(struct gpio_chip *gc, unsigned offset)
 {
        struct of_mm_gpio_chip *mm = to_of_mm_gpio_chip(gc);
@@ -340,11 +349,10 @@ static void __init mpc8xxx_add_controller(struct device_node *np)
        mm_gc->save_regs = mpc8xxx_gpio_save_regs;
        gc->ngpio = MPC8XXX_GPIO_PINS;
        gc->direction_input = mpc8xxx_gpio_dir_in;
-        gc->direction_output = mpc8xxx_gpio_dir_out;
+        gc->direction_output = of_device_is_compatible(np, "fsl,mpc5121-gpio") ?
-        if (of_device_is_compatible(np, "fsl,mpc8572-gpio"))
+                mpc5121_gpio_dir_out : mpc8xxx_gpio_dir_out;
-                gc->get = mpc8572_gpio_get;
+        gc->get = of_device_is_compatible(np, "fsl,mpc8572-gpio") ?
-        else
+                mpc8572_gpio_get : mpc8xxx_gpio_get;
-                gc->get = mpc8xxx_gpio_get;
        gc->set = mpc8xxx_gpio_set;
        gc->to_irq = mpc8xxx_gpio_to_irq;
diff --git a/drivers/gpio/gpio-omap.c b/drivers/gpio/gpio-omap.c
index 0e49d87f6c60..0b0562979171 100644
--- a/drivers/gpio/gpio-omap.c
+++ b/drivers/gpio/gpio-omap.c
@@ -148,13 +148,17 @@ static int _get_gpio_dataout(struct gpio_bank *bank, int gpio)
        return (__raw_readl(reg) & GPIO_BIT(bank, gpio)) != 0;
 }
-#define MOD_REG_BIT(reg, bit_mask, set) \
+static inline void _gpio_rmw(void __iomem *base, u32 reg, u32 mask, bool set)
-do {    \
+{
-        int l = __raw_readl(base + reg); \
+        int l = __raw_readl(base + reg);
-        if (set) l |= bit_mask; \
-        else l &= ~bit_mask; \
+        if (set) 
-        __raw_writel(l, base + reg); \
+                l |= mask;
-} while(0)
+        else
+                l &= ~mask;
+        __raw_writel(l, base + reg);
+}
 /**
 * _set_gpio_debounce - low level gpio debounce time
@@ -210,28 +214,28 @@ static inline void set_24xx_gpio_triggering(struct gpio_bank *bank, int gpio,
        u32 gpio_bit = 1 << gpio;
        if (cpu_is_omap44xx()) {
-                MOD_REG_BIT(OMAP4_GPIO_LEVELDETECT0, gpio_bit,
+                _gpio_rmw(base, OMAP4_GPIO_LEVELDETECT0, gpio_bit,
-                        trigger & IRQ_TYPE_LEVEL_LOW);
+                          trigger & IRQ_TYPE_LEVEL_LOW);
-                MOD_REG_BIT(OMAP4_GPIO_LEVELDETECT1, gpio_bit,
+                _gpio_rmw(base, OMAP4_GPIO_LEVELDETECT1, gpio_bit,
-                        trigger & IRQ_TYPE_LEVEL_HIGH);
+                          trigger & IRQ_TYPE_LEVEL_HIGH);
-                MOD_REG_BIT(OMAP4_GPIO_RISINGDETECT, gpio_bit,
+                _gpio_rmw(base, OMAP4_GPIO_RISINGDETECT, gpio_bit,
-                        trigger & IRQ_TYPE_EDGE_RISING);
+                          trigger & IRQ_TYPE_EDGE_RISING);
-                MOD_REG_BIT(OMAP4_GPIO_FALLINGDETECT, gpio_bit,
+                _gpio_rmw(base, OMAP4_GPIO_FALLINGDETECT, gpio_bit,
-                        trigger & IRQ_TYPE_EDGE_FALLING);
+                          trigger & IRQ_TYPE_EDGE_FALLING);
        } else {
-                MOD_REG_BIT(OMAP24XX_GPIO_LEVELDETECT0, gpio_bit,
+                _gpio_rmw(base, OMAP24XX_GPIO_LEVELDETECT0, gpio_bit,
-                        trigger & IRQ_TYPE_LEVEL_LOW);
+                          trigger & IRQ_TYPE_LEVEL_LOW);
-                MOD_REG_BIT(OMAP24XX_GPIO_LEVELDETECT1, gpio_bit,
+                _gpio_rmw(base, OMAP24XX_GPIO_LEVELDETECT1, gpio_bit,
-                        trigger & IRQ_TYPE_LEVEL_HIGH);
+                          trigger & IRQ_TYPE_LEVEL_HIGH);
-                MOD_REG_BIT(OMAP24XX_GPIO_RISINGDETECT, gpio_bit,
+                _gpio_rmw(base, OMAP24XX_GPIO_RISINGDETECT, gpio_bit,
-                        trigger & IRQ_TYPE_EDGE_RISING);
+                          trigger & IRQ_TYPE_EDGE_RISING);
-                MOD_REG_BIT(OMAP24XX_GPIO_FALLINGDETECT, gpio_bit,
+                _gpio_rmw(base, OMAP24XX_GPIO_FALLINGDETECT, gpio_bit,
-                        trigger & IRQ_TYPE_EDGE_FALLING);
+                          trigger & IRQ_TYPE_EDGE_FALLING);
        }
        if (likely(!(bank->non_wakeup_gpios & gpio_bit))) {
                if (cpu_is_omap44xx()) {
-                        MOD_REG_BIT(OMAP4_GPIO_IRQWAKEN0, gpio_bit,
+                        _gpio_rmw(base, OMAP4_GPIO_IRQWAKEN0, gpio_bit,
-                                trigger != 0);
+                                  trigger != 0);
                } else {
                        /*
                         * GPIO wakeup request can only be generated on edge
@@ -1086,6 +1090,11 @@ omap_mpuio_alloc_gc(struct gpio_bank *bank, unsigned int irq_start,
        gc = irq_alloc_generic_chip("MPUIO", 1, irq_start, bank->base,
                                    handle_simple_irq);
+        if (!gc) {
+                dev_err(bank->dev, "Memory alloc failed for gc\n");
+                return;
+        }
        ct = gc->chip_types;
        /* NOTE: No ack required, reading IRQ status clears it. */
diff --git a/drivers/gpio/gpio-pca953x.c b/drivers/gpio/gpio-pca953x.c
index 0550dcb85814..d3f3e8f54561 100644
--- a/drivers/gpio/gpio-pca953x.c
+++ b/drivers/gpio/gpio-pca953x.c
@@ -546,7 +546,7 @@ static void pca953x_irq_teardown(struct pca953x_chip *chip)
 * Translate OpenFirmware node properties into platform_data
 * WARNING: This is DEPRECATED and will be removed eventually!
 */
-void
+static void
 pca953x_get_alt_pdata(struct i2c_client *client, int *gpio_base, int *invert)
 {
        struct device_node *node;
@@ -574,7 +574,7 @@ pca953x_get_alt_pdata(struct i2c_client *client, int *gpio_base, int *invert)
                *invert = *val;
 }
 #else
-void
+static void
 pca953x_get_alt_pdata(struct i2c_client *client, int *gpio_base, int *invert)
 {
        *gpio_base = -1;
@@ -596,9 +596,6 @@ static int __devinit device_pca953x_init(struct pca953x_chip *chip, int invert)
        /* set platform specific polarity inversion */
        ret = pca953x_write_reg(chip, PCA953X_INVERT, invert);
-        if (ret)
-                goto out;
-        return 0;
 out:
        return ret;
 }
@@ -640,7 +637,7 @@ static int __devinit pca953x_probe(struct i2c_client *client,
        struct pca953x_platform_data *pdata;
        struct pca953x_chip *chip;
        int irq_base=0, invert=0;
-        int ret = 0;
+        int ret;
        chip = kzalloc(sizeof(struct pca953x_chip), GFP_KERNEL);
        if (chip == NULL)
@@ -673,10 +670,10 @@ static int __devinit pca953x_probe(struct i2c_client *client,
        pca953x_setup_gpio(chip, id->driver_data & PCA_GPIO_MASK);
        if (chip->chip_type == PCA953X_TYPE)
-                device_pca953x_init(chip, invert);
+                ret = device_pca953x_init(chip, invert);
-        else if (chip->chip_type == PCA957X_TYPE)
-                device_pca957x_init(chip, invert);
        else
+                ret = device_pca957x_init(chip, invert);
+        if (ret)
                goto out_failed;
        ret = pca953x_irq_setup(chip, id, irq_base);
diff --git a/drivers/gpio/gpio-pl061.c b/drivers/gpio/gpio-pl061.c
index 093c90bd3c1d..4102f63230fd 100644
--- a/drivers/gpio/gpio-pl061.c
+++ b/drivers/gpio/gpio-pl061.c
@@ -238,10 +238,6 @@ static int pl061_probe(struct amba_device *dev, const struct amba_id *id)
        int ret, irq, i;
        static DECLARE_BITMAP(init_irq, NR_IRQS);
-        pdata = dev->dev.platform_data;
-        if (pdata == NULL)
-                return -ENODEV;
        chip = kzalloc(sizeof(*chip), GFP_KERNEL);
        if (chip == NULL)
                return -ENOMEM;
diff --git a/drivers/gpu/drm/Kconfig b/drivers/gpu/drm/Kconfig
index 45079046b6d5..2418429a9836 100644
--- a/drivers/gpu/drm/Kconfig
+++ b/drivers/gpu/drm/Kconfig
@@ -9,7 +9,6 @@ menuconfig DRM
        depends on (AGP || AGP=n) && !EMULATED_CMPXCHG && MMU
        select I2C
        select I2C_ALGOBIT
-        select SLOW_WORK
        help
          Kernel-level support for the Direct Rendering Infrastructure (DRI)
          introduced in XFree86 4.0. If you say Y here, you need to select
@@ -96,6 +95,7 @@ config DRM_I915
        select FB_CFB_IMAGEBLIT
        # i915 depends on ACPI_VIDEO when ACPI is enabled
        # but for select to work, need to select ACPI_VIDEO's dependencies, ick
+        select BACKLIGHT_LCD_SUPPORT if ACPI
        select BACKLIGHT_CLASS_DEVICE if ACPI
        select VIDEO_OUTPUT_CONTROL if ACPI
        select INPUT if ACPI
diff --git a/drivers/gpu/drm/drm_crtc.c b/drivers/gpu/drm/drm_crtc.c
index 0d1faa72e1ff..f259a2563204 100644
--- a/drivers/gpu/drm/drm_crtc.c
+++ b/drivers/gpu/drm/drm_crtc.c
@@ -2340,6 +2340,10 @@ int drm_mode_dirtyfb_ioctl(struct drm_device *dev,
        }
        if (num_clips && clips_ptr) {
+                if (num_clips < 0 || num_clips > DRM_MODE_FB_DIRTY_MAX_CLIPS) {
+                        ret = -EINVAL;
+                        goto out_err1;
+                }
                clips = kzalloc(num_clips * sizeof(*clips), GFP_KERNEL);
                if (!clips) {
                        ret = -ENOMEM;
@@ -2585,8 +2589,10 @@ struct drm_property *drm_property_create(struct drm_device *dev, int flags,
        property->num_values = num_values;
        INIT_LIST_HEAD(&property->enum_blob_list);
-        if (name)
+        if (name) {
                strncpy(property->name, name, DRM_PROP_NAME_LEN);
+                property->name[DRM_PROP_NAME_LEN-1] = '\0';
+        }
        list_add_tail(&property->head, &dev->mode_config.property_list);
        return property;
diff --git a/drivers/gpu/drm/drm_crtc_helper.c b/drivers/gpu/drm/drm_crtc_helper.c
index ccbdc0b5854c..42f86e71479a 100644
--- a/drivers/gpu/drm/drm_crtc_helper.c
+++ b/drivers/gpu/drm/drm_crtc_helper.c
@@ -457,6 +457,30 @@ done:
 EXPORT_SYMBOL(drm_crtc_helper_set_mode);
+static int
+drm_crtc_helper_disable(struct drm_crtc *crtc)
+{
+        struct drm_device *dev = crtc->dev;
+        struct drm_connector *connector;
+        struct drm_encoder *encoder;
+        /* Decouple all encoders and their attached connectors from this crtc */
+        list_for_each_entry(encoder, &dev->mode_config.encoder_list, head) {
+                if (encoder->crtc != crtc)
+                        continue;
+                list_for_each_entry(connector, &dev->mode_config.connector_list, head) {
+                        if (connector->encoder != encoder)
+                                continue;
+                        connector->encoder = NULL;
+                }
+        }
+        drm_helper_disable_unused_functions(dev);
+        return 0;
+}
 /**
 * drm_crtc_helper_set_config - set a new config from userspace
 * @crtc: CRTC to setup
@@ -485,6 +509,7 @@ int drm_crtc_helper_set_config(struct drm_mode_set *set)
        struct drm_connector *save_connectors, *connector;
        int count = 0, ro, fail = 0;
        struct drm_crtc_helper_funcs *crtc_funcs;
+        struct drm_mode_set save_set;
        int ret = 0;
        int i;
@@ -510,8 +535,7 @@ int drm_crtc_helper_set_config(struct drm_mode_set *set)
                                (int)set->num_connectors, set->x, set->y);
        } else {
                DRM_DEBUG_KMS("[CRTC:%d] [NOFB]\n", set->crtc->base.id);
-                set->mode = NULL;
+                return drm_crtc_helper_disable(set->crtc);
-                set->num_connectors = 0;
        }
        dev = set->crtc->dev;
@@ -557,6 +581,12 @@ int drm_crtc_helper_set_config(struct drm_mode_set *set)
                save_connectors[count++] = *connector;
        }
+        save_set.crtc = set->crtc;
+        save_set.mode = &set->crtc->mode;
+        save_set.x = set->crtc->x;
+        save_set.y = set->crtc->y;
+        save_set.fb = set->crtc->fb;
        /* We should be able to check here if the fb has the same properties
         * and then just flip_or_move it */
        if (set->crtc->fb != set->fb) {
@@ -722,6 +752,12 @@ fail:
                *connector = save_connectors[count++];
        }
+        /* Try to restore the config */
+        if (mode_changed &&
+            !drm_crtc_helper_set_mode(save_set.crtc, save_set.mode, save_set.x,
+                                      save_set.y, save_set.fb))
+                DRM_ERROR("failed to restore config after modeset failure\n");
        kfree(save_connectors);
        kfree(save_encoders);
        kfree(save_crtcs);
diff --git a/drivers/gpu/drm/drm_debugfs.c b/drivers/gpu/drm/drm_debugfs.c
index d067c12ba940..1c7a1c0d3edd 100644
--- a/drivers/gpu/drm/drm_debugfs.c
+++ b/drivers/gpu/drm/drm_debugfs.c
@@ -118,7 +118,10 @@ int drm_debugfs_create_files(struct drm_info_list *files, int count,
                tmp->minor = minor;
                tmp->dent = ent;
                tmp->info_ent = &files[i];
-                list_add(&(tmp->list), &(minor->debugfs_nodes.list));
+                mutex_lock(&minor->debugfs_lock);
+                list_add(&tmp->list, &minor->debugfs_list);
+                mutex_unlock(&minor->debugfs_lock);
        }
        return 0;
@@ -146,7 +149,8 @@ int drm_debugfs_init(struct drm_minor *minor, int minor_id,
        char name[64];
        int ret;
-        INIT_LIST_HEAD(&minor->debugfs_nodes.list);
+        INIT_LIST_HEAD(&minor->debugfs_list);
+        mutex_init(&minor->debugfs_lock);
        sprintf(name, "%d", minor_id);
        minor->debugfs_root = debugfs_create_dir(name, root);
        if (!minor->debugfs_root) {
@@ -192,8 +196,9 @@ int drm_debugfs_remove_files(struct drm_info_list *files, int count,
        struct drm_info_node *tmp;
        int i;
+        mutex_lock(&minor->debugfs_lock);
        for (i = 0; i < count; i++) {
-                list_for_each_safe(pos, q, &minor->debugfs_nodes.list) {
+                list_for_each_safe(pos, q, &minor->debugfs_list) {
                        tmp = list_entry(pos, struct drm_info_node, list);
                        if (tmp->info_ent == &files[i]) {
                                debugfs_remove(tmp->dent);
@@ -202,6 +207,7 @@ int drm_debugfs_remove_files(struct drm_info_list *files, int count,
                        }
                }
        }
+        mutex_unlock(&minor->debugfs_lock);
        return 0;
 }
 EXPORT_SYMBOL(drm_debugfs_remove_files);
diff --git a/drivers/gpu/drm/drm_drv.c b/drivers/gpu/drm/drm_drv.c
index eaf25ffd9a46..bc5febe45762 100644
--- a/drivers/gpu/drm/drm_drv.c
+++ b/drivers/gpu/drm/drm_drv.c
@@ -125,7 +125,7 @@ static struct drm_ioctl_desc drm_ioctls[] = {
        DRM_IOCTL_DEF(DRM_IOCTL_SG_ALLOC, drm_sg_alloc_ioctl, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY),
        DRM_IOCTL_DEF(DRM_IOCTL_SG_FREE, drm_sg_free, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY),
-        DRM_IOCTL_DEF(DRM_IOCTL_WAIT_VBLANK, drm_wait_vblank, 0),
+        DRM_IOCTL_DEF(DRM_IOCTL_WAIT_VBLANK, drm_wait_vblank, DRM_UNLOCKED),
        DRM_IOCTL_DEF(DRM_IOCTL_MODESET_CTL, drm_modeset_ctl, 0),
diff --git a/drivers/gpu/drm/drm_irq.c b/drivers/gpu/drm/drm_irq.c
index cb3794a00f98..44a5d0ad8b7c 100644
--- a/drivers/gpu/drm/drm_irq.c
+++ b/drivers/gpu/drm/drm_irq.c
@@ -110,10 +110,7 @@ static void vblank_disable_and_save(struct drm_device *dev, int crtc)
        /* Prevent vblank irq processing while disabling vblank irqs,
         * so no updates of timestamps or count can happen after we've
         * disabled. Needed to prevent races in case of delayed irq's.
-         * Disable preemption, so vblank_time_lock is held as short as
-         * possible, even under a kernel with PREEMPT_RT patches.
         */
-        preempt_disable();
        spin_lock_irqsave(&dev->vblank_time_lock, irqflags);
        dev->driver->disable_vblank(dev, crtc);
@@ -164,7 +161,6 @@ static void vblank_disable_and_save(struct drm_device *dev, int crtc)
        clear_vblank_timestamps(dev, crtc);
        spin_unlock_irqrestore(&dev->vblank_time_lock, irqflags);
-        preempt_enable();
 }
 static void vblank_disable_fn(unsigned long arg)
@@ -407,13 +403,16 @@ int drm_irq_uninstall(struct drm_device *dev)
        /*
         * Wake up any waiters so they don't hang.
         */
-        spin_lock_irqsave(&dev->vbl_lock, irqflags);
+        if (dev->num_crtcs) {
-        for (i = 0; i < dev->num_crtcs; i++) {
+                spin_lock_irqsave(&dev->vbl_lock, irqflags);
-                DRM_WAKEUP(&dev->vbl_queue[i]);
+                for (i = 0; i < dev->num_crtcs; i++) {
-                dev->vblank_enabled[i] = 0;
+                        DRM_WAKEUP(&dev->vbl_queue[i]);
-                dev->last_vblank[i] = dev->driver->get_vblank_counter(dev, i);
+                        dev->vblank_enabled[i] = 0;
+                        dev->last_vblank[i] =
+                                dev->driver->get_vblank_counter(dev, i);
+                }
+                spin_unlock_irqrestore(&dev->vbl_lock, irqflags);
        }
-        spin_unlock_irqrestore(&dev->vbl_lock, irqflags);
        if (!irq_enabled)
                return -EINVAL;
@@ -886,10 +885,6 @@ int drm_vblank_get(struct drm_device *dev, int crtc)
        spin_lock_irqsave(&dev->vbl_lock, irqflags);
        /* Going from 0->1 means we have to enable interrupts again */
        if (atomic_add_return(1, &dev->vblank_refcount[crtc]) == 1) {
-                /* Disable preemption while holding vblank_time_lock. Do
-                 * it explicitely to guard against PREEMPT_RT kernel.
-                 */
-                preempt_disable();
                spin_lock_irqsave(&dev->vblank_time_lock, irqflags2);
                if (!dev->vblank_enabled[crtc]) {
                        /* Enable vblank irqs under vblank_time_lock protection.
@@ -909,7 +904,6 @@ int drm_vblank_get(struct drm_device *dev, int crtc)
                        }
                }
                spin_unlock_irqrestore(&dev->vblank_time_lock, irqflags2);
-                preempt_enable();
        } else {
                if (!dev->vblank_enabled[crtc]) {
                        atomic_dec(&dev->vblank_refcount[crtc]);
@@ -1125,6 +1119,7 @@ static int drm_queue_vblank_event(struct drm_device *dev, int pipe,
                trace_drm_vblank_event_delivered(current->pid, pipe,
                                                 vblwait->request.sequence);
        } else {
+                /* drm_handle_vblank_events will call drm_vblank_put */
                list_add_tail(&e->base.link, &dev->vblank_event_list);
                vblwait->reply.sequence = vblwait->request.sequence;
        }
@@ -1205,8 +1200,12 @@ int drm_wait_vblank(struct drm_device *dev, void *data,
                goto done;
        }
-        if (flags & _DRM_VBLANK_EVENT)
+        if (flags & _DRM_VBLANK_EVENT) {
+                /* must hold on to the vblank ref until the event fires
+                 * drm_vblank_put will be called asynchronously
+                 */
                return drm_queue_vblank_event(dev, crtc, vblwait, file_priv);
+        }
        if ((flags & _DRM_VBLANK_NEXTONMISS) &&
            (seq - vblwait->request.sequence) <= (1<<23)) {
diff --git a/drivers/gpu/drm/exynos/exynos_drm_buf.c b/drivers/gpu/drm/exynos/exynos_drm_buf.c
index 6f8afea94fc9..2bb07bca511a 100644
--- a/drivers/gpu/drm/exynos/exynos_drm_buf.c
+++ b/drivers/gpu/drm/exynos/exynos_drm_buf.c
@@ -27,82 +27,84 @@
 #include "drm.h"
 #include "exynos_drm_drv.h"
+#include "exynos_drm_gem.h"
 #include "exynos_drm_buf.h"
-static DEFINE_MUTEX(exynos_drm_buf_lock);
 static int lowlevel_buffer_allocate(struct drm_device *dev,
-                struct exynos_drm_buf_entry *entry)
+                struct exynos_drm_gem_buf *buffer)
 {
        DRM_DEBUG_KMS("%s\n", __FILE__);
-        entry->vaddr = dma_alloc_writecombine(dev->dev, entry->size,
+        buffer->kvaddr = dma_alloc_writecombine(dev->dev, buffer->size,
-                        (dma_addr_t *)&entry->paddr, GFP_KERNEL);
+                        &buffer->dma_addr, GFP_KERNEL);
-        if (!entry->paddr) {
+        if (!buffer->kvaddr) {
                DRM_ERROR("failed to allocate buffer.\n");
                return -ENOMEM;
        }
-        DRM_DEBUG_KMS("allocated : vaddr(0x%x), paddr(0x%x), size(0x%x)\n",
+        DRM_DEBUG_KMS("vaddr(0x%lx), dma_addr(0x%lx), size(0x%lx)\n",
-                        (unsigned int)entry->vaddr, entry->paddr, entry->size);
+                        (unsigned long)buffer->kvaddr,
+                        (unsigned long)buffer->dma_addr,
+                        buffer->size);
        return 0;
 }
 static void lowlevel_buffer_deallocate(struct drm_device *dev,
-                struct exynos_drm_buf_entry *entry)
+                struct exynos_drm_gem_buf *buffer)
 {
        DRM_DEBUG_KMS("%s.\n", __FILE__);
-        if (entry->paddr && entry->vaddr && entry->size)
+        if (buffer->dma_addr && buffer->size)
-                dma_free_writecombine(dev->dev, entry->size, entry->vaddr,
+                dma_free_writecombine(dev->dev, buffer->size, buffer->kvaddr,
-                                entry->paddr);
+                                (dma_addr_t)buffer->dma_addr);
        else
-                DRM_DEBUG_KMS("entry data is null.\n");
+                DRM_DEBUG_KMS("buffer data are invalid.\n");
 }
-struct exynos_drm_buf_entry *exynos_drm_buf_create(struct drm_device *dev,
+struct exynos_drm_gem_buf *exynos_drm_buf_create(struct drm_device *dev,
                unsigned int size)
 {
-        struct exynos_drm_buf_entry *entry;
+        struct exynos_drm_gem_buf *buffer;
        DRM_DEBUG_KMS("%s.\n", __FILE__);
+        DRM_DEBUG_KMS("desired size = 0x%x\n", size);
-        entry = kzalloc(sizeof(*entry), GFP_KERNEL);
+        buffer = kzalloc(sizeof(*buffer), GFP_KERNEL);
-        if (!entry) {
+        if (!buffer) {
-                DRM_ERROR("failed to allocate exynos_drm_buf_entry.\n");
+                DRM_ERROR("failed to allocate exynos_drm_gem_buf.\n");
                return ERR_PTR(-ENOMEM);
        }
-        entry->size = size;
+        buffer->size = size;
        /*
         * allocate memory region with size and set the memory information
-         * to vaddr and paddr of a entry object.
+         * to vaddr and dma_addr of a buffer object.
         */
-        if (lowlevel_buffer_allocate(dev, entry) < 0) {
+        if (lowlevel_buffer_allocate(dev, buffer) < 0) {
-                kfree(entry);
+                kfree(buffer);
-                entry = NULL;
+                buffer = NULL;
                return ERR_PTR(-ENOMEM);
        }
-        return entry;
+        return buffer;
 }
 void exynos_drm_buf_destroy(struct drm_device *dev,
-                struct exynos_drm_buf_entry *entry)
+                struct exynos_drm_gem_buf *buffer)
 {
        DRM_DEBUG_KMS("%s.\n", __FILE__);
-        if (!entry) {
+        if (!buffer) {
-                DRM_DEBUG_KMS("entry is null.\n");
+                DRM_DEBUG_KMS("buffer is null.\n");
                return;
        }
-        lowlevel_buffer_deallocate(dev, entry);
+        lowlevel_buffer_deallocate(dev, buffer);
-        kfree(entry);
+        kfree(buffer);
-        entry = NULL;
+        buffer = NULL;
 }
 MODULE_AUTHOR("Inki Dae <inki.dae@samsung.com>");
diff --git a/drivers/gpu/drm/exynos/exynos_drm_buf.h b/drivers/gpu/drm/exynos/exynos_drm_buf.h
index 045d59eab01a..6e91f9caa5db 100644
--- a/drivers/gpu/drm/exynos/exynos_drm_buf.h
+++ b/drivers/gpu/drm/exynos/exynos_drm_buf.h
@@ -26,28 +26,15 @@
 #ifndef _EXYNOS_DRM_BUF_H_
 #define _EXYNOS_DRM_BUF_H_
-/*
- * exynos drm buffer entry structure.
- *
- * @paddr: physical address of allocated memory.
- * @vaddr: kernel virtual address of allocated memory.
- * @size: size of allocated memory.
- */
-struct exynos_drm_buf_entry {
-        dma_addr_t paddr;
-        void __iomem *vaddr;
-        unsigned int size;
-};
 /* allocate physical memory. */
-struct exynos_drm_buf_entry *exynos_drm_buf_create(struct drm_device *dev,
+struct exynos_drm_gem_buf *exynos_drm_buf_create(struct drm_device *dev,
                unsigned int size);
-/* get physical memory information of a drm framebuffer. */
+/* get memory information of a drm framebuffer. */
-struct exynos_drm_buf_entry *exynos_drm_fb_get_buf(struct drm_framebuffer *fb);
+struct exynos_drm_gem_buf *exynos_drm_fb_get_buf(struct drm_framebuffer *fb);
 /* remove allocated physical memory. */
 void exynos_drm_buf_destroy(struct drm_device *dev,
-                struct exynos_drm_buf_entry *entry);
+                struct exynos_drm_gem_buf *buffer);
 #endif
diff --git a/drivers/gpu/drm/exynos/exynos_drm_connector.c b/drivers/gpu/drm/exynos/exynos_drm_connector.c
index 985d9e768728..d620b0784257 100644
--- a/drivers/gpu/drm/exynos/exynos_drm_connector.c
+++ b/drivers/gpu/drm/exynos/exynos_drm_connector.c
@@ -37,6 +37,8 @@
 struct exynos_drm_connector {
        struct drm_connector    drm_connector;
+        uint32_t                encoder_id;
+        struct exynos_drm_manager *manager;
 };
 /* convert exynos_video_timings to drm_display_mode */
@@ -47,6 +49,7 @@ convert_to_display_mode(struct drm_display_mode *mode,
        DRM_DEBUG_KMS("%s\n", __FILE__);
        mode->clock = timing->pixclock / 1000;
+        mode->vrefresh = timing->refresh;
        mode->hdisplay = timing->xres;
        mode->hsync_start = mode->hdisplay + timing->left_margin;
@@ -57,6 +60,12 @@ convert_to_display_mode(struct drm_display_mode *mode,
        mode->vsync_start = mode->vdisplay + timing->upper_margin;
        mode->vsync_end = mode->vsync_start + timing->vsync_len;
        mode->vtotal = mode->vsync_end + timing->lower_margin;
+        if (timing->vmode & FB_VMODE_INTERLACED)
+                mode->flags |= DRM_MODE_FLAG_INTERLACE;
+        if (timing->vmode & FB_VMODE_DOUBLE)
+                mode->flags |= DRM_MODE_FLAG_DBLSCAN;
 }
 /* convert drm_display_mode to exynos_video_timings */
@@ -69,7 +78,7 @@ convert_to_video_timing(struct fb_videomode *timing,
        memset(timing, 0, sizeof(*timing));
        timing->pixclock = mode->clock * 1000;
-        timing->refresh = mode->vrefresh;
+        timing->refresh = drm_mode_vrefresh(mode);
        timing->xres = mode->hdisplay;
        timing->left_margin = mode->hsync_start - mode->hdisplay;
@@ -92,15 +101,16 @@ convert_to_video_timing(struct fb_videomode *timing,
 static int exynos_drm_connector_get_modes(struct drm_connector *connector)
 {
-        struct exynos_drm_manager *manager =
+        struct exynos_drm_connector *exynos_connector =
-                                exynos_drm_get_manager(connector->encoder);
+                                        to_exynos_connector(connector);
-        struct exynos_drm_display *display = manager->display;
+        struct exynos_drm_manager *manager = exynos_connector->manager;
+        struct exynos_drm_display_ops *display_ops = manager->display_ops;
        unsigned int count;
        DRM_DEBUG_KMS("%s\n", __FILE__);
-        if (!display) {
+        if (!display_ops) {
-                DRM_DEBUG_KMS("display is null.\n");
+                DRM_DEBUG_KMS("display_ops is null.\n");
                return 0;
        }
@@ -112,7 +122,7 @@ static int exynos_drm_connector_get_modes(struct drm_connector *connector)
         * P.S. in case of lcd panel, count is always 1 if success
         * because lcd panel has only one mode.
         */
-        if (display->get_edid) {
+        if (display_ops->get_edid) {
                int ret;
                void *edid;
@@ -122,7 +132,7 @@ static int exynos_drm_connector_get_modes(struct drm_connector *connector)
                        return 0;
                }
-                ret = display->get_edid(manager->dev, connector,
+                ret = display_ops->get_edid(manager->dev, connector,
                                                edid, MAX_EDID);
                if (ret < 0) {
                        DRM_ERROR("failed to get edid data.\n");
@@ -140,8 +150,8 @@ static int exynos_drm_connector_get_modes(struct drm_connector *connector)
                struct drm_display_mode *mode = drm_mode_create(connector->dev);
                struct fb_videomode *timing;
-                if (display->get_timing)
+                if (display_ops->get_timing)
-                        timing = display->get_timing(manager->dev);
+                        timing = display_ops->get_timing(manager->dev);
                else {
                        drm_mode_destroy(connector->dev, mode);
                        return 0;
@@ -162,9 +172,10 @@ static int exynos_drm_connector_get_modes(struct drm_connector *connector)
 static int exynos_drm_connector_mode_valid(struct drm_connector *connector,
                                            struct drm_display_mode *mode)
 {
-        struct exynos_drm_manager *manager =
+        struct exynos_drm_connector *exynos_connector =
-                                exynos_drm_get_manager(connector->encoder);
+                                        to_exynos_connector(connector);
-        struct exynos_drm_display *display = manager->display;
+        struct exynos_drm_manager *manager = exynos_connector->manager;
+        struct exynos_drm_display_ops *display_ops = manager->display_ops;
        struct fb_videomode timing;
        int ret = MODE_BAD;
@@ -172,8 +183,8 @@ static int exynos_drm_connector_mode_valid(struct drm_connector *connector,
        convert_to_video_timing(&timing, mode);
-        if (display && display->check_timing)
+        if (display_ops && display_ops->check_timing)
-                if (!display->check_timing(manager->dev, (void *)&timing))
+                if (!display_ops->check_timing(manager->dev, (void *)&timing))
                        ret = MODE_OK;
        return ret;
@@ -181,9 +192,25 @@ static int exynos_drm_connector_mode_valid(struct drm_connector *connector,
 struct drm_encoder *exynos_drm_best_encoder(struct drm_connector *connector)
 {
+        struct drm_device *dev = connector->dev;
+        struct exynos_drm_connector *exynos_connector =
+                                        to_exynos_connector(connector);
+        struct drm_mode_object *obj;
+        struct drm_encoder *encoder;
        DRM_DEBUG_KMS("%s\n", __FILE__);
-        return connector->encoder;
+        obj = drm_mode_object_find(dev, exynos_connector->encoder_id,
+                                   DRM_MODE_OBJECT_ENCODER);
+        if (!obj) {
+                DRM_DEBUG_KMS("Unknown ENCODER ID %d\n",
+                                exynos_connector->encoder_id);
+                return NULL;
+        }
+        encoder = obj_to_encoder(obj);
+        return encoder;
 }
 static struct drm_connector_helper_funcs exynos_connector_helper_funcs = {
@@ -196,15 +223,17 @@ static struct drm_connector_helper_funcs exynos_connector_helper_funcs = {
 static enum drm_connector_status
 exynos_drm_connector_detect(struct drm_connector *connector, bool force)
 {
-        struct exynos_drm_manager *manager =
+        struct exynos_drm_connector *exynos_connector =
-                                exynos_drm_get_manager(connector->encoder);
+                                        to_exynos_connector(connector);
-        struct exynos_drm_display *display = manager->display;
+        struct exynos_drm_manager *manager = exynos_connector->manager;
+        struct exynos_drm_display_ops *display_ops =
+                                        manager->display_ops;
        enum drm_connector_status status = connector_status_disconnected;
        DRM_DEBUG_KMS("%s\n", __FILE__);
-        if (display && display->is_connected) {
+        if (display_ops && display_ops->is_connected) {
-                if (display->is_connected(manager->dev))
+                if (display_ops->is_connected(manager->dev))
                        status = connector_status_connected;
                else
                        status = connector_status_disconnected;
@@ -251,9 +280,11 @@ struct drm_connector *exynos_drm_connector_create(struct drm_device *dev,
        connector = &exynos_connector->drm_connector;
-        switch (manager->display->type) {
+        switch (manager->display_ops->type) {
        case EXYNOS_DISPLAY_TYPE_HDMI:
                type = DRM_MODE_CONNECTOR_HDMIA;
+                connector->interlace_allowed = true;
+                connector->polled = DRM_CONNECTOR_POLL_HPD;
                break;
        default:
                type = DRM_MODE_CONNECTOR_Unknown;
@@ -267,7 +298,10 @@ struct drm_connector *exynos_drm_connector_create(struct drm_device *dev,
        if (err)
                goto err_connector;
+        exynos_connector->encoder_id = encoder->base.id;
+        exynos_connector->manager = manager;
        connector->encoder = encoder;
        err = drm_mode_connector_attach_encoder(connector, encoder);
        if (err) {
                DRM_ERROR("failed to attach a connector to a encoder\n");
diff --git a/drivers/gpu/drm/exynos/exynos_drm_crtc.c b/drivers/gpu/drm/exynos/exynos_drm_crtc.c
index 73893e5068a4..7777d41d1cda 100644
--- a/drivers/gpu/drm/exynos/exynos_drm_crtc.c
+++ b/drivers/gpu/drm/exynos/exynos_drm_crtc.c
@@ -29,36 +29,17 @@
 #include "drmP.h"
 #include "drm_crtc_helper.h"
+#include "exynos_drm_crtc.h"
 #include "exynos_drm_drv.h"
 #include "exynos_drm_fb.h"
 #include "exynos_drm_encoder.h"
+#include "exynos_drm_gem.h"
 #include "exynos_drm_buf.h"
 #define to_exynos_crtc(x)       container_of(x, struct exynos_drm_crtc,\
                                drm_crtc)
 /*
- * Exynos specific crtc postion structure.
- *
- * @fb_x: offset x on a framebuffer to be displyed
- *      - the unit is screen coordinates.
- * @fb_y: offset y on a framebuffer to be displayed
- *      - the unit is screen coordinates.
- * @crtc_x: offset x on hardware screen.
- * @crtc_y: offset y on hardware screen.
- * @crtc_w: width of hardware screen.
- * @crtc_h: height of hardware screen.
- */
-struct exynos_drm_crtc_pos {
-        unsigned int fb_x;
-        unsigned int fb_y;
-        unsigned int crtc_x;
-        unsigned int crtc_y;
-        unsigned int crtc_w;
-        unsigned int crtc_h;
-};
-/*
 * Exynos specific crtc structure.
 *
 * @drm_crtc: crtc object.
@@ -85,30 +66,31 @@ static void exynos_drm_crtc_apply(struct drm_crtc *crtc)
        exynos_drm_fn_encoder(crtc, overlay,
                        exynos_drm_encoder_crtc_mode_set);
-        exynos_drm_fn_encoder(crtc, NULL, exynos_drm_encoder_crtc_commit);
+        exynos_drm_fn_encoder(crtc, &exynos_crtc->pipe,
+                        exynos_drm_encoder_crtc_commit);
 }
-static int exynos_drm_overlay_update(struct exynos_drm_overlay *overlay,
+int exynos_drm_overlay_update(struct exynos_drm_overlay *overlay,
-                                       struct drm_framebuffer *fb,
+                              struct drm_framebuffer *fb,
-                                       struct drm_display_mode *mode,
+                              struct drm_display_mode *mode,
-                                       struct exynos_drm_crtc_pos *pos)
+                              struct exynos_drm_crtc_pos *pos)
 {
-        struct exynos_drm_buf_entry *entry;
+        struct exynos_drm_gem_buf *buffer;
        unsigned int actual_w;
        unsigned int actual_h;
-        entry = exynos_drm_fb_get_buf(fb);
+        buffer = exynos_drm_fb_get_buf(fb);
-        if (!entry) {
+        if (!buffer) {
-                DRM_LOG_KMS("entry is null.\n");
+                DRM_LOG_KMS("buffer is null.\n");
                return -EFAULT;
        }
-        overlay->paddr = entry->paddr;
+        overlay->dma_addr = buffer->dma_addr;
-        overlay->vaddr = entry->vaddr;
+        overlay->vaddr = buffer->kvaddr;
-        DRM_DEBUG_KMS("vaddr = 0x%lx, paddr = 0x%lx\n",
+        DRM_DEBUG_KMS("vaddr = 0x%lx, dma_addr = 0x%lx\n",
                        (unsigned long)overlay->vaddr,
-                        (unsigned long)overlay->paddr);
+                        (unsigned long)overlay->dma_addr);
        actual_w = min((mode->hdisplay - pos->crtc_x), pos->crtc_w);
        actual_h = min((mode->vdisplay - pos->crtc_y), pos->crtc_h);
@@ -171,9 +153,26 @@ static int exynos_drm_crtc_update(struct drm_crtc *crtc)
 static void exynos_drm_crtc_dpms(struct drm_crtc *crtc, int mode)
 {
-        DRM_DEBUG_KMS("%s\n", __FILE__);
+        struct exynos_drm_crtc *exynos_crtc = to_exynos_crtc(crtc);
-        /* TODO */
+        DRM_DEBUG_KMS("crtc[%d] mode[%d]\n", crtc->base.id, mode);
+        switch (mode) {
+        case DRM_MODE_DPMS_ON:
+                exynos_drm_fn_encoder(crtc, &exynos_crtc->pipe,
+                                exynos_drm_encoder_crtc_commit);
+                break;
+        case DRM_MODE_DPMS_STANDBY:
+        case DRM_MODE_DPMS_SUSPEND:
+        case DRM_MODE_DPMS_OFF:
+                /* TODO */
+                exynos_drm_fn_encoder(crtc, NULL,
+                                exynos_drm_encoder_crtc_disable);
+                break;
+        default:
+                DRM_DEBUG_KMS("unspecified mode %d\n", mode);
+                break;
+        }
 }
 static void exynos_drm_crtc_prepare(struct drm_crtc *crtc)
@@ -185,9 +184,12 @@ static void exynos_drm_crtc_prepare(struct drm_crtc *crtc)
 static void exynos_drm_crtc_commit(struct drm_crtc *crtc)
 {
+        struct exynos_drm_crtc *exynos_crtc = to_exynos_crtc(crtc);
        DRM_DEBUG_KMS("%s\n", __FILE__);
-        /* drm framework doesn't check NULL. */
+        exynos_drm_fn_encoder(crtc, &exynos_crtc->pipe,
+                        exynos_drm_encoder_crtc_commit);
 }
 static bool
diff --git a/drivers/gpu/drm/exynos/exynos_drm_crtc.h b/drivers/gpu/drm/exynos/exynos_drm_crtc.h
index c584042d6d2c..25f72a62cb88 100644
--- a/drivers/gpu/drm/exynos/exynos_drm_crtc.h
+++ b/drivers/gpu/drm/exynos/exynos_drm_crtc.h
@@ -35,4 +35,29 @@ int exynos_drm_crtc_create(struct drm_device *dev, unsigned int nr);
 int exynos_drm_crtc_enable_vblank(struct drm_device *dev, int crtc);
 void exynos_drm_crtc_disable_vblank(struct drm_device *dev, int crtc);
+/*
+ * Exynos specific crtc postion structure.
+ *
+ * @fb_x: offset x on a framebuffer to be displyed
+ *      - the unit is screen coordinates.
+ * @fb_y: offset y on a framebuffer to be displayed
+ *      - the unit is screen coordinates.
+ * @crtc_x: offset x on hardware screen.
+ * @crtc_y: offset y on hardware screen.
+ * @crtc_w: width of hardware screen.
+ * @crtc_h: height of hardware screen.
+ */
+struct exynos_drm_crtc_pos {
+        unsigned int fb_x;
+        unsigned int fb_y;
+        unsigned int crtc_x;
+        unsigned int crtc_y;
+        unsigned int crtc_w;
+        unsigned int crtc_h;
+};
+int exynos_drm_overlay_update(struct exynos_drm_overlay *overlay,
+                              struct drm_framebuffer *fb,
+                              struct drm_display_mode *mode,
+                              struct exynos_drm_crtc_pos *pos);
 #endif
diff --git a/drivers/gpu/drm/exynos/exynos_drm_drv.c b/drivers/gpu/drm/exynos/exynos_drm_drv.c
index 83810cbe3c17..53e2216de61d 100644
--- a/drivers/gpu/drm/exynos/exynos_drm_drv.c
+++ b/drivers/gpu/drm/exynos/exynos_drm_drv.c
@@ -27,6 +27,7 @@
 #include "drmP.h"
 #include "drm.h"
+#include "drm_crtc_helper.h"
 #include <drm/exynos_drm.h>
@@ -61,6 +62,9 @@ static int exynos_drm_load(struct drm_device *dev, unsigned long flags)
        drm_mode_config_init(dev);
+        /* init kms poll for handling hpd */
+        drm_kms_helper_poll_init(dev);
        exynos_drm_mode_config_init(dev);
        /*
@@ -116,6 +120,7 @@ static int exynos_drm_unload(struct drm_device *dev)
        exynos_drm_fbdev_fini(dev);
        exynos_drm_device_unregister(dev);
        drm_vblank_cleanup(dev);
+        drm_kms_helper_poll_fini(dev);
        drm_mode_config_cleanup(dev);
        kfree(dev->dev_private);
diff --git a/drivers/gpu/drm/exynos/exynos_drm_drv.h b/drivers/gpu/drm/exynos/exynos_drm_drv.h
index c03683f2ae72..5e02e6ecc2e0 100644
--- a/drivers/gpu/drm/exynos/exynos_drm_drv.h
+++ b/drivers/gpu/drm/exynos/exynos_drm_drv.h
@@ -29,6 +29,7 @@
 #ifndef _EXYNOS_DRM_DRV_H_
 #define _EXYNOS_DRM_DRV_H_
+#include <linux/module.h>
 #include "drm.h"
 #define MAX_CRTC        2
@@ -79,8 +80,8 @@ struct exynos_drm_overlay_ops {
 * @scan_flag: interlace or progressive way.
 *      (it could be DRM_MODE_FLAG_*)
 * @bpp: pixel size.(in bit)
- * @paddr: bus(accessed by dma) physical memory address to this overlay
+ * @dma_addr: bus(accessed by dma) address to the memory region allocated
- *              and this is physically continuous.
+ *      for a overlay.
 * @vaddr: virtual memory addresss to this overlay.
 * @default_win: a window to be enabled.
 * @color_key: color key on or off.
@@ -108,7 +109,7 @@ struct exynos_drm_overlay {
        unsigned int scan_flag;
        unsigned int bpp;
        unsigned int pitch;
-        dma_addr_t paddr;
+        dma_addr_t dma_addr;
        void __iomem *vaddr;
        bool default_win;
@@ -130,7 +131,7 @@ struct exynos_drm_overlay {
 * @check_timing: check if timing is valid or not.
 * @power_on: display device on or off.
 */
-struct exynos_drm_display {
+struct exynos_drm_display_ops {
        enum exynos_drm_output_type type;
        bool (*is_connected)(struct device *dev);
        int (*get_edid)(struct device *dev, struct drm_connector *connector,
@@ -146,12 +147,14 @@ struct exynos_drm_display {
 * @mode_set: convert drm_display_mode to hw specific display mode and
 *            would be called by encoder->mode_set().
 * @commit: set current hw specific display mode to hw.
+ * @disable: disable hardware specific display mode.
 * @enable_vblank: specific driver callback for enabling vblank interrupt.
 * @disable_vblank: specific driver callback for disabling vblank interrupt.
 */
 struct exynos_drm_manager_ops {
        void (*mode_set)(struct device *subdrv_dev, void *mode);
        void (*commit)(struct device *subdrv_dev);
+        void (*disable)(struct device *subdrv_dev);
        int (*enable_vblank)(struct device *subdrv_dev);
        void (*disable_vblank)(struct device *subdrv_dev);
 };
@@ -178,7 +181,7 @@ struct exynos_drm_manager {
        int pipe;
        struct exynos_drm_manager_ops *ops;
        struct exynos_drm_overlay_ops *overlay_ops;
-        struct exynos_drm_display *display;
+        struct exynos_drm_display_ops *display_ops;
 };
 /*
diff --git a/drivers/gpu/drm/exynos/exynos_drm_encoder.c b/drivers/gpu/drm/exynos/exynos_drm_encoder.c
index 7cf6fa86a67e..153061415baf 100644
--- a/drivers/gpu/drm/exynos/exynos_drm_encoder.c
+++ b/drivers/gpu/drm/exynos/exynos_drm_encoder.c
@@ -53,15 +53,36 @@ static void exynos_drm_encoder_dpms(struct drm_encoder *encoder, int mode)
        struct drm_device *dev = encoder->dev;
        struct drm_connector *connector;
        struct exynos_drm_manager *manager = exynos_drm_get_manager(encoder);
+        struct exynos_drm_manager_ops *manager_ops = manager->ops;
        DRM_DEBUG_KMS("%s, encoder dpms: %d\n", __FILE__, mode);
+        switch (mode) {
+        case DRM_MODE_DPMS_ON:
+                if (manager_ops && manager_ops->commit)
+                        manager_ops->commit(manager->dev);
+                break;
+        case DRM_MODE_DPMS_STANDBY:
+        case DRM_MODE_DPMS_SUSPEND:
+        case DRM_MODE_DPMS_OFF:
+                /* TODO */
+                if (manager_ops && manager_ops->disable)
+                        manager_ops->disable(manager->dev);
+                break;
+        default:
+                DRM_ERROR("unspecified mode %d\n", mode);
+                break;
+        }
        list_for_each_entry(connector, &dev->mode_config.connector_list, head) {
                if (connector->encoder == encoder) {
-                        struct exynos_drm_display *display = manager->display;
+                        struct exynos_drm_display_ops *display_ops =
+                                                        manager->display_ops;
-                        if (display && display->power_on)
+                        DRM_DEBUG_KMS("connector[%d] dpms[%d]\n",
-                                display->power_on(manager->dev, mode);
+                                        connector->base.id, mode);
+                        if (display_ops && display_ops->power_on)
+                                display_ops->power_on(manager->dev, mode);
                }
        }
 }
@@ -116,15 +137,11 @@ static void exynos_drm_encoder_commit(struct drm_encoder *encoder)
 {
        struct exynos_drm_manager *manager = exynos_drm_get_manager(encoder);
        struct exynos_drm_manager_ops *manager_ops = manager->ops;
-        struct exynos_drm_overlay_ops *overlay_ops = manager->overlay_ops;
        DRM_DEBUG_KMS("%s\n", __FILE__);
        if (manager_ops && manager_ops->commit)
                manager_ops->commit(manager->dev);
-        if (overlay_ops && overlay_ops->commit)
-                overlay_ops->commit(manager->dev);
 }
 static struct drm_crtc *
@@ -208,10 +225,23 @@ void exynos_drm_fn_encoder(struct drm_crtc *crtc, void *data,
 {
        struct drm_device *dev = crtc->dev;
        struct drm_encoder *encoder;
+        struct exynos_drm_private *private = dev->dev_private;
+        struct exynos_drm_manager *manager;
        list_for_each_entry(encoder, &dev->mode_config.encoder_list, head) {
-                if (encoder->crtc != crtc)
+                /*
-                        continue;
+                 * if crtc is detached from encoder, check pipe,
+                 * otherwise check crtc attached to encoder
+                 */
+                if (!encoder->crtc) {
+                        manager = to_exynos_encoder(encoder)->manager;
+                        if (manager->pipe < 0 ||
+                                        private->crtc[manager->pipe] != crtc)
+                                continue;
+                } else {
+                        if (encoder->crtc != crtc)
+                                continue;
+                }
                fn(encoder, data);
        }
@@ -250,8 +280,18 @@ void exynos_drm_encoder_crtc_commit(struct drm_encoder *encoder, void *data)
        struct exynos_drm_manager *manager =
                to_exynos_encoder(encoder)->manager;
        struct exynos_drm_overlay_ops *overlay_ops = manager->overlay_ops;
+        int crtc = *(int *)data;
+        DRM_DEBUG_KMS("%s\n", __FILE__);
+        /*
+         * when crtc is detached from encoder, this pipe is used
+         * to select manager operation
+         */
+        manager->pipe = crtc;
-        overlay_ops->commit(manager->dev);
+        if (overlay_ops && overlay_ops->commit)
+                overlay_ops->commit(manager->dev);
 }
 void exynos_drm_encoder_crtc_mode_set(struct drm_encoder *encoder, void *data)
@@ -261,7 +301,28 @@ void exynos_drm_encoder_crtc_mode_set(struct drm_encoder *encoder, void *data)
        struct exynos_drm_overlay_ops *overlay_ops = manager->overlay_ops;
        struct exynos_drm_overlay *overlay = data;
-        overlay_ops->mode_set(manager->dev, overlay);
+        if (overlay_ops && overlay_ops->mode_set)
+                overlay_ops->mode_set(manager->dev, overlay);
+}
+void exynos_drm_encoder_crtc_disable(struct drm_encoder *encoder, void *data)
+{
+        struct exynos_drm_manager *manager =
+                to_exynos_encoder(encoder)->manager;
+        struct exynos_drm_overlay_ops *overlay_ops = manager->overlay_ops;
+        DRM_DEBUG_KMS("\n");
+        if (overlay_ops && overlay_ops->disable)
+                overlay_ops->disable(manager->dev);
+        /*
+         * crtc is already detached from encoder and last
+         * function for detaching is properly done, so
+         * clear pipe from manager to prevent repeated call
+         */
+        if (!encoder->crtc)
+                manager->pipe = -1;
 }
 MODULE_AUTHOR("Inki Dae <inki.dae@samsung.com>");
diff --git a/drivers/gpu/drm/exynos/exynos_drm_encoder.h b/drivers/gpu/drm/exynos/exynos_drm_encoder.h
index 5ecd645d06a9..a22acfbf0e4e 100644
--- a/drivers/gpu/drm/exynos/exynos_drm_encoder.h
+++ b/drivers/gpu/drm/exynos/exynos_drm_encoder.h
@@ -41,5 +41,6 @@ void exynos_drm_enable_vblank(struct drm_encoder *encoder, void *data);
 void exynos_drm_disable_vblank(struct drm_encoder *encoder, void *data);
 void exynos_drm_encoder_crtc_commit(struct drm_encoder *encoder, void *data);
 void exynos_drm_encoder_crtc_mode_set(struct drm_encoder *encoder, void *data);
+void exynos_drm_encoder_crtc_disable(struct drm_encoder *encoder, void *data);
 #endif
diff --git a/drivers/gpu/drm/exynos/exynos_drm_fb.c b/drivers/gpu/drm/exynos/exynos_drm_fb.c
index 48d29cfd5240..5bf4a1ac7f82 100644
--- a/drivers/gpu/drm/exynos/exynos_drm_fb.c
+++ b/drivers/gpu/drm/exynos/exynos_drm_fb.c
@@ -29,7 +29,9 @@
 #include "drmP.h"
 #include "drm_crtc.h"
 #include "drm_crtc_helper.h"
+#include "drm_fb_helper.h"
+#include "exynos_drm_drv.h"
 #include "exynos_drm_fb.h"
 #include "exynos_drm_buf.h"
 #include "exynos_drm_gem.h"
@@ -41,14 +43,14 @@
 *
 * @fb: drm framebuffer obejct.
 * @exynos_gem_obj: exynos specific gem object containing a gem object.
- * @entry: pointer to exynos drm buffer entry object.
+ * @buffer: pointer to exynos_drm_gem_buffer object.
- *      - containing only the information to physically continuous memory
+ *      - contain the memory information to memory region allocated
- *      region allocated at default framebuffer creation.
+ *      at default framebuffer creation.
 */
 struct exynos_drm_fb {
        struct drm_framebuffer          fb;
        struct exynos_drm_gem_obj       *exynos_gem_obj;
-        struct exynos_drm_buf_entry     *entry;
+        struct exynos_drm_gem_buf       *buffer;
 };
 static void exynos_drm_fb_destroy(struct drm_framebuffer *fb)
@@ -63,8 +65,8 @@ static void exynos_drm_fb_destroy(struct drm_framebuffer *fb)
         * default framebuffer has no gem object so
         * a buffer of the default framebuffer should be released at here.
         */
-        if (!exynos_fb->exynos_gem_obj && exynos_fb->entry)
+        if (!exynos_fb->exynos_gem_obj && exynos_fb->buffer)
-                exynos_drm_buf_destroy(fb->dev, exynos_fb->entry);
+                exynos_drm_buf_destroy(fb->dev, exynos_fb->buffer);
        kfree(exynos_fb);
        exynos_fb = NULL;
@@ -143,29 +145,29 @@ exynos_drm_fb_init(struct drm_file *file_priv, struct drm_device *dev,
         */
        if (!mode_cmd->handle) {
                if (!file_priv) {
-                        struct exynos_drm_buf_entry *entry;
+                        struct exynos_drm_gem_buf *buffer;
                        /*
                         * in case that file_priv is NULL, it allocates
                         * only buffer and this buffer would be used
                         * for default framebuffer.
                         */
-                        entry = exynos_drm_buf_create(dev, size);
+                        buffer = exynos_drm_buf_create(dev, size);
-                        if (IS_ERR(entry)) {
+                        if (IS_ERR(buffer)) {
-                                ret = PTR_ERR(entry);
+                                ret = PTR_ERR(buffer);
                                goto err_buffer;
                        }
-                        exynos_fb->entry = entry;
+                        exynos_fb->buffer = buffer;
-                        DRM_LOG_KMS("default fb: paddr = 0x%lx, size = 0x%x\n",
+                        DRM_LOG_KMS("default: dma_addr = 0x%lx, size = 0x%x\n",
-                                        (unsigned long)entry->paddr, size);
+                                        (unsigned long)buffer->dma_addr, size);
                        goto out;
                } else {
-                        exynos_gem_obj = exynos_drm_gem_create(file_priv, dev,
+                        exynos_gem_obj = exynos_drm_gem_create(dev, file_priv,
-                                                        size,
+                                                        &mode_cmd->handle,
-                                                        &mode_cmd->handle);
+                                                        size);
                        if (IS_ERR(exynos_gem_obj)) {
                                ret = PTR_ERR(exynos_gem_obj);
                                goto err_buffer;
@@ -189,10 +191,10 @@ exynos_drm_fb_init(struct drm_file *file_priv, struct drm_device *dev,
         * so that default framebuffer has no its own gem object,
         * only its own buffer object.
         */
-        exynos_fb->entry = exynos_gem_obj->entry;
+        exynos_fb->buffer = exynos_gem_obj->buffer;
-        DRM_LOG_KMS("paddr = 0x%lx, size = 0x%x, gem object = 0x%x\n",
+        DRM_LOG_KMS("dma_addr = 0x%lx, size = 0x%x, gem object = 0x%x\n",
-                        (unsigned long)exynos_fb->entry->paddr, size,
+                        (unsigned long)exynos_fb->buffer->dma_addr, size,
                        (unsigned int)&exynos_gem_obj->base);
 out:
@@ -220,26 +222,36 @@ struct drm_framebuffer *exynos_drm_fb_create(struct drm_device *dev,
        return exynos_drm_fb_init(file_priv, dev, mode_cmd);
 }
-struct exynos_drm_buf_entry *exynos_drm_fb_get_buf(struct drm_framebuffer *fb)
+struct exynos_drm_gem_buf *exynos_drm_fb_get_buf(struct drm_framebuffer *fb)
 {
        struct exynos_drm_fb *exynos_fb = to_exynos_fb(fb);
-        struct exynos_drm_buf_entry *entry;
+        struct exynos_drm_gem_buf *buffer;
        DRM_DEBUG_KMS("%s\n", __FILE__);
-        entry = exynos_fb->entry;
+        buffer = exynos_fb->buffer;
-        if (!entry)
+        if (!buffer)
                return NULL;
-        DRM_DEBUG_KMS("vaddr = 0x%lx, paddr = 0x%lx\n",
+        DRM_DEBUG_KMS("vaddr = 0x%lx, dma_addr = 0x%lx\n",
-                        (unsigned long)entry->vaddr,
+                        (unsigned long)buffer->kvaddr,
-                        (unsigned long)entry->paddr);
+                        (unsigned long)buffer->dma_addr);
-        return entry;
+        return buffer;
+}
+static void exynos_drm_output_poll_changed(struct drm_device *dev)
+{
+        struct exynos_drm_private *private = dev->dev_private;
+        struct drm_fb_helper *fb_helper = private->fb_helper;
+        if (fb_helper)
+                drm_fb_helper_hotplug_event(fb_helper);
 }
 static struct drm_mode_config_funcs exynos_drm_mode_config_funcs = {
        .fb_create = exynos_drm_fb_create,
+        .output_poll_changed = exynos_drm_output_poll_changed,
 };
 void exynos_drm_mode_config_init(struct drm_device *dev)
diff --git a/drivers/gpu/drm/exynos/exynos_drm_fbdev.c b/drivers/gpu/drm/exynos/exynos_drm_fbdev.c
index 81fba29b696d..f79f768a56ca 100644
--- a/drivers/gpu/drm/exynos/exynos_drm_fbdev.c
+++ b/drivers/gpu/drm/exynos/exynos_drm_fbdev.c
@@ -33,6 +33,7 @@
 #include "exynos_drm_drv.h"
 #include "exynos_drm_fb.h"
+#include "exynos_drm_gem.h"
 #include "exynos_drm_buf.h"
 #define MAX_CONNECTOR           4
@@ -85,15 +86,13 @@ static struct fb_ops exynos_drm_fb_ops = {
 };
 static int exynos_drm_fbdev_update(struct drm_fb_helper *helper,
-                                     struct drm_framebuffer *fb,
+                                     struct drm_framebuffer *fb)
-                                     unsigned int fb_width,
-                                     unsigned int fb_height)
 {
        struct fb_info *fbi = helper->fbdev;
        struct drm_device *dev = helper->dev;
        struct exynos_drm_fbdev *exynos_fb = to_exynos_fbdev(helper);
-        struct exynos_drm_buf_entry *entry;
+        struct exynos_drm_gem_buf *buffer;
-        unsigned int size = fb_width * fb_height * (fb->bits_per_pixel >> 3);
+        unsigned int size = fb->width * fb->height * (fb->bits_per_pixel >> 3);
        unsigned long offset;
        DRM_DEBUG_KMS("%s\n", __FILE__);
@@ -101,20 +100,20 @@ static int exynos_drm_fbdev_update(struct drm_fb_helper *helper,
        exynos_fb->fb = fb;
        drm_fb_helper_fill_fix(fbi, fb->pitches[0], fb->depth);
-        drm_fb_helper_fill_var(fbi, helper, fb_width, fb_height);
+        drm_fb_helper_fill_var(fbi, helper, fb->width, fb->height);
-        entry = exynos_drm_fb_get_buf(fb);
+        buffer = exynos_drm_fb_get_buf(fb);
-        if (!entry) {
+        if (!buffer) {
-                DRM_LOG_KMS("entry is null.\n");
+                DRM_LOG_KMS("buffer is null.\n");
                return -EFAULT;
        }
        offset = fbi->var.xoffset * (fb->bits_per_pixel >> 3);
        offset += fbi->var.yoffset * fb->pitches[0];
-        dev->mode_config.fb_base = entry->paddr;
+        dev->mode_config.fb_base = (resource_size_t)buffer->dma_addr;
-        fbi->screen_base = entry->vaddr + offset;
+        fbi->screen_base = buffer->kvaddr + offset;
-        fbi->fix.smem_start = entry->paddr + offset;
+        fbi->fix.smem_start = (unsigned long)(buffer->dma_addr + offset);
        fbi->screen_size = size;
        fbi->fix.smem_len = size;
@@ -171,8 +170,7 @@ static int exynos_drm_fbdev_create(struct drm_fb_helper *helper,
                goto out;
        }
-        ret = exynos_drm_fbdev_update(helper, helper->fb, sizes->fb_width,
+        ret = exynos_drm_fbdev_update(helper, helper->fb);
-                        sizes->fb_height);
        if (ret < 0)
                fb_dealloc_cmap(&fbi->cmap);
@@ -235,8 +233,7 @@ static int exynos_drm_fbdev_recreate(struct drm_fb_helper *helper,
        }
        helper->fb = exynos_fbdev->fb;
-        return exynos_drm_fbdev_update(helper, helper->fb, sizes->fb_width,
+        return exynos_drm_fbdev_update(helper, helper->fb);
-                        sizes->fb_height);
 }
 static int exynos_drm_fbdev_probe(struct drm_fb_helper *helper,
@@ -405,6 +402,18 @@ int exynos_drm_fbdev_reinit(struct drm_device *dev)
        fb_helper = private->fb_helper;
        if (fb_helper) {
+                struct list_head temp_list;
+                INIT_LIST_HEAD(&temp_list);
+                /*
+                 * fb_helper is reintialized but kernel fb is reused
+                 * so kernel_fb_list need to be backuped and restored
+                 */
+                if (!list_empty(&fb_helper->kernel_fb_list))
+                        list_replace_init(&fb_helper->kernel_fb_list,
+                                        &temp_list);
                drm_fb_helper_fini(fb_helper);
                ret = drm_fb_helper_init(dev, fb_helper,
@@ -414,6 +423,9 @@ int exynos_drm_fbdev_reinit(struct drm_device *dev)
                        return ret;
                }
+                if (!list_empty(&temp_list))
+                        list_replace(&temp_list, &fb_helper->kernel_fb_list);
                ret = drm_fb_helper_single_add_all_connectors(fb_helper);
                if (ret < 0) {
                        DRM_ERROR("failed to add fb helper to connectors\n");
diff --git a/drivers/gpu/drm/exynos/exynos_drm_fimd.c b/drivers/gpu/drm/exynos/exynos_drm_fimd.c
index 4659c88cdd9b..db3b3d9e731d 100644
--- a/drivers/gpu/drm/exynos/exynos_drm_fimd.c
+++ b/drivers/gpu/drm/exynos/exynos_drm_fimd.c
@@ -64,7 +64,7 @@ struct fimd_win_data {
        unsigned int            fb_width;
        unsigned int            fb_height;
        unsigned int            bpp;
-        dma_addr_t              paddr;
+        dma_addr_t              dma_addr;
        void __iomem            *vaddr;
        unsigned int            buf_offsize;
        unsigned int            line_size;      /* bytes */
@@ -124,7 +124,7 @@ static int fimd_display_power_on(struct device *dev, int mode)
        return 0;
 }
-static struct exynos_drm_display fimd_display = {
+static struct exynos_drm_display_ops fimd_display_ops = {
        .type = EXYNOS_DISPLAY_TYPE_LCD,
        .is_connected = fimd_display_is_connected,
        .get_timing = fimd_get_timing,
@@ -177,6 +177,40 @@ static void fimd_commit(struct device *dev)
        writel(val, ctx->regs + VIDCON0);
 }
+static void fimd_disable(struct device *dev)
+{
+        struct fimd_context *ctx = get_fimd_context(dev);
+        struct exynos_drm_subdrv *subdrv = &ctx->subdrv;
+        struct drm_device *drm_dev = subdrv->drm_dev;
+        struct exynos_drm_manager *manager = &subdrv->manager;
+        u32 val;
+        DRM_DEBUG_KMS("%s\n", __FILE__);
+        /* fimd dma off */
+        val = readl(ctx->regs + VIDCON0);
+        val &= ~(VIDCON0_ENVID | VIDCON0_ENVID_F);
+        writel(val, ctx->regs + VIDCON0);
+        /*
+         * if vblank is enabled status with dma off then
+         * it disables vsync interrupt.
+         */
+        if (drm_dev->vblank_enabled[manager->pipe] &&
+                atomic_read(&drm_dev->vblank_refcount[manager->pipe])) {
+                drm_vblank_put(drm_dev, manager->pipe);
+                /*
+                 * if vblank_disable_allowed is 0 then disable
+                 * vsync interrupt right now else the vsync interrupt
+                 * would be disabled by drm timer once a current process
+                 * gives up ownershop of vblank event.
+                 */
+                if (!drm_dev->vblank_disable_allowed)
+                        drm_vblank_off(drm_dev, manager->pipe);
+        }
+}
 static int fimd_enable_vblank(struct device *dev)
 {
        struct fimd_context *ctx = get_fimd_context(dev);
@@ -220,6 +254,7 @@ static void fimd_disable_vblank(struct device *dev)
 static struct exynos_drm_manager_ops fimd_manager_ops = {
        .commit = fimd_commit,
+        .disable = fimd_disable,
        .enable_vblank = fimd_enable_vblank,
        .disable_vblank = fimd_disable_vblank,
 };
@@ -251,7 +286,7 @@ static void fimd_win_mode_set(struct device *dev,
        win_data->ovl_height = overlay->crtc_height;
        win_data->fb_width = overlay->fb_width;
        win_data->fb_height = overlay->fb_height;
-        win_data->paddr = overlay->paddr + offset;
+        win_data->dma_addr = overlay->dma_addr + offset;
        win_data->vaddr = overlay->vaddr + offset;
        win_data->bpp = overlay->bpp;
        win_data->buf_offsize = (overlay->fb_width - overlay->crtc_width) *
@@ -263,7 +298,7 @@ static void fimd_win_mode_set(struct device *dev,
        DRM_DEBUG_KMS("ovl_width = %d, ovl_height = %d\n",
                        win_data->ovl_width, win_data->ovl_height);
        DRM_DEBUG_KMS("paddr = 0x%lx, vaddr = 0x%lx\n",
-                        (unsigned long)win_data->paddr,
+                        (unsigned long)win_data->dma_addr,
                        (unsigned long)win_data->vaddr);
        DRM_DEBUG_KMS("fb_width = %d, crtc_width = %d\n",
                        overlay->fb_width, overlay->crtc_width);
@@ -376,16 +411,16 @@ static void fimd_win_commit(struct device *dev)
        writel(val, ctx->regs + SHADOWCON);
        /* buffer start address */
-        val = win_data->paddr;
+        val = (unsigned long)win_data->dma_addr;
        writel(val, ctx->regs + VIDWx_BUF_START(win, 0));
        /* buffer end address */
        size = win_data->fb_width * win_data->ovl_height * (win_data->bpp >> 3);
-        val = win_data->paddr + size;
+        val = (unsigned long)(win_data->dma_addr + size);
        writel(val, ctx->regs + VIDWx_BUF_END(win, 0));
        DRM_DEBUG_KMS("start addr = 0x%lx, end addr = 0x%lx, size = 0x%lx\n",
-                        (unsigned long)win_data->paddr, val, size);
+                        (unsigned long)win_data->dma_addr, val, size);
        DRM_DEBUG_KMS("ovl_width = %d, ovl_height = %d\n",
                        win_data->ovl_width, win_data->ovl_height);
@@ -447,7 +482,6 @@ static void fimd_win_commit(struct device *dev)
 static void fimd_win_disable(struct device *dev)
 {
        struct fimd_context *ctx = get_fimd_context(dev);
-        struct fimd_win_data *win_data;
        int win = ctx->default_win;
        u32 val;
@@ -456,8 +490,6 @@ static void fimd_win_disable(struct device *dev)
        if (win < 0 || win > WINDOWS_NR)
                return;
-        win_data = &ctx->win_data[win];
        /* protect windows */
        val = readl(ctx->regs + SHADOWCON);
        val |= SHADOWCON_WINx_PROTECT(win);
@@ -528,6 +560,16 @@ static irqreturn_t fimd_irq_handler(int irq, void *dev_id)
                /* VSYNC interrupt */
                writel(VIDINTCON1_INT_FRAME, ctx->regs + VIDINTCON1);
+        /*
+         * in case that vblank_disable_allowed is 1, it could induce
+         * the problem that manager->pipe could be -1 because with
+         * disable callback, vsync interrupt isn't disabled and at this moment,
+         * vsync interrupt could occur. the vsync interrupt would be disabled
+         * by timer handler later.
+         */
+        if (manager->pipe == -1)
+                return IRQ_HANDLED;
        drm_handle_vblank(drm_dev, manager->pipe);
        fimd_finish_pageflip(drm_dev, manager->pipe);
@@ -548,13 +590,6 @@ static int fimd_subdrv_probe(struct drm_device *drm_dev, struct device *dev)
         */
        drm_dev->irq_enabled = 1;
-        /*
-         * with vblank_disable_allowed = 1, vblank interrupt will be disabled
-         * by drm timer once a current process gives up ownership of
-         * vblank event.(drm_vblank_put function was called)
-         */
-        drm_dev->vblank_disable_allowed = 1;
        return 0;
 }
@@ -731,7 +766,7 @@ static int __devinit fimd_probe(struct platform_device *pdev)
        subdrv->manager.pipe = -1;
        subdrv->manager.ops = &fimd_manager_ops;
        subdrv->manager.overlay_ops = &fimd_overlay_ops;
-        subdrv->manager.display = &fimd_display;
+        subdrv->manager.display_ops = &fimd_display_ops;
        subdrv->manager.dev = dev;
        platform_set_drvdata(pdev, ctx);
diff --git a/drivers/gpu/drm/exynos/exynos_drm_gem.c b/drivers/gpu/drm/exynos/exynos_drm_gem.c
index a8e7a88906ed..aba0fe47f7ea 100644
--- a/drivers/gpu/drm/exynos/exynos_drm_gem.c
+++ b/drivers/gpu/drm/exynos/exynos_drm_gem.c
@@ -62,40 +62,28 @@ static unsigned int get_gem_mmap_offset(struct drm_gem_object *obj)
        return (unsigned int)obj->map_list.hash.key << PAGE_SHIFT;
 }
-struct exynos_drm_gem_obj *exynos_drm_gem_create(struct drm_file *file_priv,
+static struct exynos_drm_gem_obj
-                struct drm_device *dev, unsigned int size,
+                *exynos_drm_gem_init(struct drm_device *drm_dev,
-                unsigned int *handle)
+                        struct drm_file *file_priv, unsigned int *handle,
+                        unsigned int size)
 {
        struct exynos_drm_gem_obj *exynos_gem_obj;
-        struct exynos_drm_buf_entry *entry;
        struct drm_gem_object *obj;
        int ret;
-        DRM_DEBUG_KMS("%s\n", __FILE__);
-        size = roundup(size, PAGE_SIZE);
        exynos_gem_obj = kzalloc(sizeof(*exynos_gem_obj), GFP_KERNEL);
        if (!exynos_gem_obj) {
                DRM_ERROR("failed to allocate exynos gem object.\n");
                return ERR_PTR(-ENOMEM);
        }
-        /* allocate the new buffer object and memory region. */
-        entry = exynos_drm_buf_create(dev, size);
-        if (!entry) {
-                kfree(exynos_gem_obj);
-                return ERR_PTR(-ENOMEM);
-        }
-        exynos_gem_obj->entry = entry;
        obj = &exynos_gem_obj->base;
-        ret = drm_gem_object_init(dev, obj, size);
+        ret = drm_gem_object_init(drm_dev, obj, size);
        if (ret < 0) {
-                DRM_ERROR("failed to initailize gem object.\n");
+                DRM_ERROR("failed to initialize gem object.\n");
-                goto err_obj_init;
+                ret = -EINVAL;
+                goto err_object_init;
        }
        DRM_DEBUG_KMS("created file object = 0x%x\n", (unsigned int)obj->filp);
@@ -127,24 +115,50 @@ err_handle_create:
 err_create_mmap_offset:
        drm_gem_object_release(obj);
-err_obj_init:
+err_object_init:
-        exynos_drm_buf_destroy(dev, exynos_gem_obj->entry);
        kfree(exynos_gem_obj);
        return ERR_PTR(ret);
 }
+struct exynos_drm_gem_obj *exynos_drm_gem_create(struct drm_device *dev,
+                                struct drm_file *file_priv,
+                                unsigned int *handle, unsigned long size)
+{
+        struct exynos_drm_gem_obj *exynos_gem_obj = NULL;
+        struct exynos_drm_gem_buf *buffer;
+        size = roundup(size, PAGE_SIZE);
+        DRM_DEBUG_KMS("%s: size = 0x%lx\n", __FILE__, size);
+        buffer = exynos_drm_buf_create(dev, size);
+        if (IS_ERR(buffer)) {
+                return ERR_CAST(buffer);
+        }
+        exynos_gem_obj = exynos_drm_gem_init(dev, file_priv, handle, size);
+        if (IS_ERR(exynos_gem_obj)) {
+                exynos_drm_buf_destroy(dev, buffer);
+                return exynos_gem_obj;
+        }
+        exynos_gem_obj->buffer = buffer;
+        return exynos_gem_obj;
+}
 int exynos_drm_gem_create_ioctl(struct drm_device *dev, void *data,
-                struct drm_file *file_priv)
+                                        struct drm_file *file_priv)
 {
        struct drm_exynos_gem_create *args = data;
-        struct exynos_drm_gem_obj *exynos_gem_obj;
+        struct exynos_drm_gem_obj *exynos_gem_obj = NULL;
-        DRM_DEBUG_KMS("%s : size = 0x%x\n", __FILE__, args->size);
+        DRM_DEBUG_KMS("%s\n", __FILE__);
-        exynos_gem_obj = exynos_drm_gem_create(file_priv, dev, args->size,
+        exynos_gem_obj = exynos_drm_gem_create(dev, file_priv,
-                        &args->handle);
+                                                &args->handle, args->size);
        if (IS_ERR(exynos_gem_obj))
                return PTR_ERR(exynos_gem_obj);
@@ -175,7 +189,7 @@ static int exynos_drm_gem_mmap_buffer(struct file *filp,
 {
        struct drm_gem_object *obj = filp->private_data;
        struct exynos_drm_gem_obj *exynos_gem_obj = to_exynos_gem_obj(obj);
-        struct exynos_drm_buf_entry *entry;
+        struct exynos_drm_gem_buf *buffer;
        unsigned long pfn, vm_size;
        DRM_DEBUG_KMS("%s\n", __FILE__);
@@ -187,20 +201,20 @@ static int exynos_drm_gem_mmap_buffer(struct file *filp,
        vm_size = vma->vm_end - vma->vm_start;
        /*
-         * a entry contains information to physically continuous memory
+         * a buffer contains information to physically continuous memory
         * allocated by user request or at framebuffer creation.
         */
-        entry = exynos_gem_obj->entry;
+        buffer = exynos_gem_obj->buffer;
        /* check if user-requested size is valid. */
-        if (vm_size > entry->size)
+        if (vm_size > buffer->size)
                return -EINVAL;
        /*
         * get page frame number to physical memory to be mapped
         * to user space.
         */
-        pfn = exynos_gem_obj->entry->paddr >> PAGE_SHIFT;
+        pfn = ((unsigned long)exynos_gem_obj->buffer->dma_addr) >> PAGE_SHIFT;
        DRM_DEBUG_KMS("pfn = 0x%lx\n", pfn);
@@ -281,7 +295,7 @@ void exynos_drm_gem_free_object(struct drm_gem_object *gem_obj)
        exynos_gem_obj = to_exynos_gem_obj(gem_obj);
-        exynos_drm_buf_destroy(gem_obj->dev, exynos_gem_obj->entry);
+        exynos_drm_buf_destroy(gem_obj->dev, exynos_gem_obj->buffer);
        kfree(exynos_gem_obj);
 }
@@ -302,8 +316,8 @@ int exynos_drm_gem_dumb_create(struct drm_file *file_priv,
        args->pitch = args->width * args->bpp >> 3;
        args->size = args->pitch * args->height;
-        exynos_gem_obj = exynos_drm_gem_create(file_priv, dev, args->size,
+        exynos_gem_obj = exynos_drm_gem_create(dev, file_priv, &args->handle,
-                                                        &args->handle);
+                                                        args->size);
        if (IS_ERR(exynos_gem_obj))
                return PTR_ERR(exynos_gem_obj);
@@ -360,7 +374,8 @@ int exynos_drm_gem_fault(struct vm_area_struct *vma, struct vm_fault *vmf)
        mutex_lock(&dev->struct_mutex);
-        pfn = (exynos_gem_obj->entry->paddr >> PAGE_SHIFT) + page_offset;
+        pfn = (((unsigned long)exynos_gem_obj->buffer->dma_addr) >>
+                        PAGE_SHIFT) + page_offset;
        ret = vm_insert_mixed(vma, (unsigned long)vmf->virtual_address, pfn);
diff --git a/drivers/gpu/drm/exynos/exynos_drm_gem.h b/drivers/gpu/drm/exynos/exynos_drm_gem.h
index e5fc0148277b..ef8797334e6d 100644
--- a/drivers/gpu/drm/exynos/exynos_drm_gem.h
+++ b/drivers/gpu/drm/exynos/exynos_drm_gem.h
@@ -30,13 +30,29 @@
                        struct exynos_drm_gem_obj, base)
 /*
+ * exynos drm gem buffer structure.
+ *
+ * @kvaddr: kernel virtual address to allocated memory region.
+ * @dma_addr: bus address(accessed by dma) to allocated memory region.
+ *      - this address could be physical address without IOMMU and
+ *      device address with IOMMU.
+ * @size: size of allocated memory region.
+ */
+struct exynos_drm_gem_buf {
+        void __iomem            *kvaddr;
+        dma_addr_t              dma_addr;
+        unsigned long           size;
+};
+/*
 * exynos drm buffer structure.
 *
 * @base: a gem object.
 *      - a new handle to this gem object would be created
 *      by drm_gem_handle_create().
- * @entry: pointer to exynos drm buffer entry object.
+ * @buffer: a pointer to exynos_drm_gem_buffer object.
- *      - containing the information to physically
+ *      - contain the information to memory region allocated
+ *      by user request or at framebuffer creation.
 *      continuous memory region allocated by user request
 *      or at framebuffer creation.
 *
@@ -45,13 +61,13 @@
 */
 struct exynos_drm_gem_obj {
        struct drm_gem_object base;
-        struct exynos_drm_buf_entry *entry;
+        struct exynos_drm_gem_buf *buffer;
 };
 /* create a new buffer and get a new gem handle. */
-struct exynos_drm_gem_obj *exynos_drm_gem_create(struct drm_file *file_priv,
+struct exynos_drm_gem_obj *exynos_drm_gem_create(struct drm_device *dev,
-                struct drm_device *dev, unsigned int size,
+                struct drm_file *file_priv,
-                unsigned int *handle);
+                unsigned int *handle, unsigned long size);
 /*
 * request gem object creation and buffer allocation as the size
diff --git a/drivers/gpu/drm/i915/i915_debugfs.c b/drivers/gpu/drm/i915/i915_debugfs.c
index d14b44e13f51..004b048c5192 100644
--- a/drivers/gpu/drm/i915/i915_debugfs.c
+++ b/drivers/gpu/drm/i915/i915_debugfs.c
@@ -62,6 +62,7 @@ static int i915_capabilities(struct seq_file *m, void *data)
        const struct intel_device_info *info = INTEL_INFO(dev);
        seq_printf(m, "gen: %d\n", info->gen);
+        seq_printf(m, "pch: %d\n", INTEL_PCH_TYPE(dev));
 #define B(x) seq_printf(m, #x ": %s\n", yesno(info->x))
        B(is_mobile);
        B(is_i85x);
@@ -636,11 +637,16 @@ static int i915_ringbuffer_info(struct seq_file *m, void *data)
        struct drm_device *dev = node->minor->dev;
        drm_i915_private_t *dev_priv = dev->dev_private;
        struct intel_ring_buffer *ring;
+        int ret;
        ring = &dev_priv->ring[(uintptr_t)node->info_ent->data];
        if (ring->size == 0)
                return 0;
+        ret = mutex_lock_interruptible(&dev->struct_mutex);
+        if (ret)
+                return ret;
        seq_printf(m, "Ring %s:\n", ring->name);
        seq_printf(m, "  Head :    %08x\n", I915_READ_HEAD(ring) & HEAD_ADDR);
        seq_printf(m, "  Tail :    %08x\n", I915_READ_TAIL(ring) & TAIL_ADDR);
@@ -654,6 +660,8 @@ static int i915_ringbuffer_info(struct seq_file *m, void *data)
        seq_printf(m, "  Control : %08x\n", I915_READ_CTL(ring));
        seq_printf(m, "  Start :   %08x\n", I915_READ_START(ring));
+        mutex_unlock(&dev->struct_mutex);
        return 0;
 }
@@ -842,7 +850,16 @@ static int i915_rstdby_delays(struct seq_file *m, void *unused)
        struct drm_info_node *node = (struct drm_info_node *) m->private;
        struct drm_device *dev = node->minor->dev;
        drm_i915_private_t *dev_priv = dev->dev_private;
-        u16 crstanddelay = I915_READ16(CRSTANDVID);
+        u16 crstanddelay;
+        int ret;
+        ret = mutex_lock_interruptible(&dev->struct_mutex);
+        if (ret)
+                return ret;
+        crstanddelay = I915_READ16(CRSTANDVID);
+        mutex_unlock(&dev->struct_mutex);
        seq_printf(m, "w/ctx: %d, w/o ctx: %d\n", (crstanddelay >> 8) & 0x3f, (crstanddelay & 0x3f));
@@ -940,7 +957,11 @@ static int i915_delayfreq_table(struct seq_file *m, void *unused)
        struct drm_device *dev = node->minor->dev;
        drm_i915_private_t *dev_priv = dev->dev_private;
        u32 delayfreq;
-        int i;
+        int ret, i;
+        ret = mutex_lock_interruptible(&dev->struct_mutex);
+        if (ret)
+                return ret;
        for (i = 0; i < 16; i++) {
                delayfreq = I915_READ(PXVFREQ_BASE + i * 4);
@@ -948,6 +969,8 @@ static int i915_delayfreq_table(struct seq_file *m, void *unused)
                           (delayfreq & PXVFREQ_PX_MASK) >> PXVFREQ_PX_SHIFT);
        }
+        mutex_unlock(&dev->struct_mutex);
        return 0;
 }
@@ -962,13 +985,19 @@ static int i915_inttoext_table(struct seq_file *m, void *unused)
        struct drm_device *dev = node->minor->dev;
        drm_i915_private_t *dev_priv = dev->dev_private;
        u32 inttoext;
-        int i;
+        int ret, i;
+        ret = mutex_lock_interruptible(&dev->struct_mutex);
+        if (ret)
+                return ret;
        for (i = 1; i <= 32; i++) {
                inttoext = I915_READ(INTTOEXT_BASE_ILK + i * 4);
                seq_printf(m, "INTTOEXT%02d: 0x%08x\n", i, inttoext);
        }
+        mutex_unlock(&dev->struct_mutex);
        return 0;
 }
@@ -977,9 +1006,19 @@ static int i915_drpc_info(struct seq_file *m, void *unused)
        struct drm_info_node *node = (struct drm_info_node *) m->private;
        struct drm_device *dev = node->minor->dev;
        drm_i915_private_t *dev_priv = dev->dev_private;
-        u32 rgvmodectl = I915_READ(MEMMODECTL);
+        u32 rgvmodectl, rstdbyctl;
-        u32 rstdbyctl = I915_READ(RSTDBYCTL);
+        u16 crstandvid;
-        u16 crstandvid = I915_READ16(CRSTANDVID);
+        int ret;
+        ret = mutex_lock_interruptible(&dev->struct_mutex);
+        if (ret)
+                return ret;
+        rgvmodectl = I915_READ(MEMMODECTL);
+        rstdbyctl = I915_READ(RSTDBYCTL);
+        crstandvid = I915_READ16(CRSTANDVID);
+        mutex_unlock(&dev->struct_mutex);
        seq_printf(m, "HD boost: %s\n", (rgvmodectl & MEMMODE_BOOST_EN) ?
                   "yes" : "no");
@@ -1167,9 +1206,16 @@ static int i915_gfxec(struct seq_file *m, void *unused)
        struct drm_info_node *node = (struct drm_info_node *) m->private;
        struct drm_device *dev = node->minor->dev;
        drm_i915_private_t *dev_priv = dev->dev_private;
+        int ret;
+        ret = mutex_lock_interruptible(&dev->struct_mutex);
+        if (ret)
+                return ret;
        seq_printf(m, "GFXEC: %ld\n", (unsigned long)I915_READ(0x112f4));
+        mutex_unlock(&dev->struct_mutex);
        return 0;
 }
@@ -1506,7 +1552,10 @@ drm_add_fake_info_node(struct drm_minor *minor,
        node->minor = minor;
        node->dent = ent;
        node->info_ent = (void *) key;
-        list_add(&node->list, &minor->debugfs_nodes.list);
+        mutex_lock(&minor->debugfs_lock);
+        list_add(&node->list, &minor->debugfs_list);
+        mutex_unlock(&minor->debugfs_lock);
        return 0;
 }
diff --git a/drivers/gpu/drm/i915/i915_dma.c b/drivers/gpu/drm/i915/i915_dma.c
index a9533c54c93c..a9ae374861e7 100644
--- a/drivers/gpu/drm/i915/i915_dma.c
+++ b/drivers/gpu/drm/i915/i915_dma.c
@@ -1454,6 +1454,14 @@ unsigned long i915_chipset_val(struct drm_i915_private *dev_priv)
        diff1 = now - dev_priv->last_time1;
+        /* Prevent division-by-zero if we are asking too fast.
+         * Also, we don't get interesting results if we are polling
+         * faster than once in 10ms, so just return the saved value
+         * in such cases.
+         */
+        if (diff1 <= 10)
+                return dev_priv->chipset_power;
        count1 = I915_READ(DMIEC);
        count2 = I915_READ(DDREC);
        count3 = I915_READ(CSIEC);
@@ -1484,6 +1492,8 @@ unsigned long i915_chipset_val(struct drm_i915_private *dev_priv)
        dev_priv->last_count1 = total_count;
        dev_priv->last_time1 = now;
+        dev_priv->chipset_power = ret;
        return ret;
 }
diff --git a/drivers/gpu/drm/i915/i915_drv.c b/drivers/gpu/drm/i915/i915_drv.c
index 9f592703c369..22c8ab70db2c 100644
--- a/drivers/gpu/drm/i915/i915_drv.c
+++ b/drivers/gpu/drm/i915/i915_drv.c
@@ -58,17 +58,17 @@ module_param_named(powersave, i915_powersave, int, 0600);
 MODULE_PARM_DESC(powersave,
                "Enable powersavings, fbc, downclocking, etc. (default: true)");
-unsigned int i915_semaphores __read_mostly = 0;
+int i915_semaphores __read_mostly = -1;
 module_param_named(semaphores, i915_semaphores, int, 0600);
 MODULE_PARM_DESC(semaphores,
-                "Use semaphores for inter-ring sync (default: false)");
+                "Use semaphores for inter-ring sync (default: -1 (use per-chip defaults))");
-unsigned int i915_enable_rc6 __read_mostly = 0;
+int i915_enable_rc6 __read_mostly = -1;
 module_param_named(i915_enable_rc6, i915_enable_rc6, int, 0600);
 MODULE_PARM_DESC(i915_enable_rc6,
-                "Enable power-saving render C-state 6 (default: true)");
+                "Enable power-saving render C-state 6 (default: -1 (use per-chip default)");
-unsigned int i915_enable_fbc __read_mostly = -1;
+int i915_enable_fbc __read_mostly = -1;
 module_param_named(i915_enable_fbc, i915_enable_fbc, int, 0600);
 MODULE_PARM_DESC(i915_enable_fbc,
                "Enable frame buffer compression for power savings "
@@ -80,7 +80,7 @@ MODULE_PARM_DESC(lvds_downclock,
                "Use panel (LVDS/eDP) downclocking for power savings "
                "(default: false)");
-unsigned int i915_panel_use_ssc __read_mostly = -1;
+int i915_panel_use_ssc __read_mostly = -1;
 module_param_named(lvds_use_ssc, i915_panel_use_ssc, int, 0600);
 MODULE_PARM_DESC(lvds_use_ssc,
                "Use Spread Spectrum Clock with panels [LVDS/eDP] "
@@ -107,7 +107,7 @@ static struct drm_driver driver;
 extern int intel_agp_enabled;
 #define INTEL_VGA_DEVICE(id, info) {            \
-        .class = PCI_CLASS_DISPLAY_VGA << 8,    \
+        .class = PCI_BASE_CLASS_DISPLAY << 16,  \
        .class_mask = 0xff0000,                 \
        .vendor = 0x8086,                       \
        .device = id,                           \
@@ -328,7 +328,7 @@ void intel_detect_pch(struct drm_device *dev)
        }
 }
-static void __gen6_gt_force_wake_get(struct drm_i915_private *dev_priv)
+void __gen6_gt_force_wake_get(struct drm_i915_private *dev_priv)
 {
        int count;
@@ -344,6 +344,22 @@ static void __gen6_gt_force_wake_get(struct drm_i915_private *dev_priv)
                udelay(10);
 }
+void __gen6_gt_force_wake_mt_get(struct drm_i915_private *dev_priv)
+{
+        int count;
+        count = 0;
+        while (count++ < 50 && (I915_READ_NOTRACE(FORCEWAKE_MT_ACK) & 1))
+                udelay(10);
+        I915_WRITE_NOTRACE(FORCEWAKE_MT, (1<<16) | 1);
+        POSTING_READ(FORCEWAKE_MT);
+        count = 0;
+        while (count++ < 50 && (I915_READ_NOTRACE(FORCEWAKE_MT_ACK) & 1) == 0)
+                udelay(10);
+}
 /*
 * Generally this is called implicitly by the register read function. However,
 * if some sequence requires the GT to not power down then this function should
@@ -356,15 +372,21 @@ void gen6_gt_force_wake_get(struct drm_i915_private *dev_priv)
        /* Forcewake is atomic in case we get in here without the lock */
        if (atomic_add_return(1, &dev_priv->forcewake_count) == 1)
-                __gen6_gt_force_wake_get(dev_priv);
+                dev_priv->display.force_wake_get(dev_priv);
 }
-static void __gen6_gt_force_wake_put(struct drm_i915_private *dev_priv)
+void __gen6_gt_force_wake_put(struct drm_i915_private *dev_priv)
 {
        I915_WRITE_NOTRACE(FORCEWAKE, 0);
        POSTING_READ(FORCEWAKE);
 }
+void __gen6_gt_force_wake_mt_put(struct drm_i915_private *dev_priv)
+{
+        I915_WRITE_NOTRACE(FORCEWAKE_MT, (1<<16) | 0);
+        POSTING_READ(FORCEWAKE_MT);
+}
 /*
 * see gen6_gt_force_wake_get()
 */
@@ -373,7 +395,7 @@ void gen6_gt_force_wake_put(struct drm_i915_private *dev_priv)
        WARN_ON(!mutex_is_locked(&dev_priv->dev->struct_mutex));
        if (atomic_dec_and_test(&dev_priv->forcewake_count))
-                __gen6_gt_force_wake_put(dev_priv);
+                dev_priv->display.force_wake_put(dev_priv);
 }
 void __gen6_gt_wait_for_fifo(struct drm_i915_private *dev_priv)
@@ -804,8 +826,8 @@ static const struct file_operations i915_driver_fops = {
 };
 static struct drm_driver driver = {
-        /* don't use mtrr's here, the Xserver or user space app should
+        /* Don't use MTRRs here; the Xserver or userspace app should
-         * deal with them for intel hardware.
+         * deal with them for Intel hardware.
         */
        .driver_features =
            DRIVER_USE_AGP | DRIVER_REQUIRE_AGP | /* DRIVER_USE_MTRR |*/
@@ -904,8 +926,9 @@ MODULE_LICENSE("GPL and additional rights");
 /* We give fast paths for the really cool registers */
 #define NEEDS_FORCE_WAKE(dev_priv, reg) \
        (((dev_priv)->info->gen >= 6) && \
-        ((reg) < 0x40000) && \
+         ((reg) < 0x40000) &&            \
-        ((reg) != FORCEWAKE))
+         ((reg) != FORCEWAKE) &&         \
+         ((reg) != ECOBUS))
 #define __i915_read(x, y) \
 u##x i915_read##x(struct drm_i915_private *dev_priv, u32 reg) { \
diff --git a/drivers/gpu/drm/i915/i915_drv.h b/drivers/gpu/drm/i915/i915_drv.h
index 06a37f4fd74b..554bef7a3b9c 100644
--- a/drivers/gpu/drm/i915/i915_drv.h
+++ b/drivers/gpu/drm/i915/i915_drv.h
@@ -107,6 +107,7 @@ struct opregion_header;
 struct opregion_acpi;
 struct opregion_swsci;
 struct opregion_asle;
+struct drm_i915_private;
 struct intel_opregion {
        struct opregion_header *header;
@@ -126,6 +127,9 @@ struct drm_i915_master_private {
        struct _drm_i915_sarea *sarea_priv;
 };
 #define I915_FENCE_REG_NONE -1
+#define I915_MAX_NUM_FENCES 16
+/* 16 fences + sign bit for FENCE_REG_NONE */
+#define I915_MAX_NUM_FENCE_BITS 5
 struct drm_i915_fence_reg {
        struct list_head lru_list;
@@ -168,7 +172,7 @@ struct drm_i915_error_state {
        u32 instdone1;
        u32 seqno;
        u64 bbaddr;
-        u64 fence[16];
+        u64 fence[I915_MAX_NUM_FENCES];
        struct timeval time;
        struct drm_i915_error_object {
                int page_count;
@@ -182,7 +186,7 @@ struct drm_i915_error_state {
                u32 gtt_offset;
                u32 read_domains;
                u32 write_domain;
-                s32 fence_reg:5;
+                s32 fence_reg:I915_MAX_NUM_FENCE_BITS;
                s32 pinned:2;
                u32 tiling:2;
                u32 dirty:1;
@@ -218,6 +222,8 @@ struct drm_i915_display_funcs {
                          struct drm_i915_gem_object *obj);
        int (*update_plane)(struct drm_crtc *crtc, struct drm_framebuffer *fb,
                            int x, int y);
+        void (*force_wake_get)(struct drm_i915_private *dev_priv);
+        void (*force_wake_put)(struct drm_i915_private *dev_priv);
        /* clock updates for mode set */
        /* cursor updates */
        /* render clock increase/decrease */
@@ -375,7 +381,7 @@ typedef struct drm_i915_private {
        struct notifier_block lid_notifier;
        int crt_ddc_pin;
-        struct drm_i915_fence_reg fence_regs[16]; /* assume 965 */
+        struct drm_i915_fence_reg fence_regs[I915_MAX_NUM_FENCES]; /* assume 965 */
        int fence_reg_start; /* 4 if userland hasn't ioctl'd us yet */
        int num_fence_regs; /* 8 on pre-965, 16 otherwise */
@@ -506,7 +512,7 @@ typedef struct drm_i915_private {
        u8 saveAR[21];
        u8 saveDACMASK;
        u8 saveCR[37];
-        uint64_t saveFENCE[16];
+        uint64_t saveFENCE[I915_MAX_NUM_FENCES];
        u32 saveCURACNTR;
        u32 saveCURAPOS;
        u32 saveCURABASE;
@@ -707,6 +713,7 @@ typedef struct drm_i915_private {
        u64 last_count1;
        unsigned long last_time1;
+        unsigned long chipset_power;
        u64 last_count2;
        struct timespec last_time2;
        unsigned long gfx_power;
@@ -777,10 +784,8 @@ struct drm_i915_gem_object {
         * Fence register bits (if any) for this object.  Will be set
         * as needed when mapped into the GTT.
         * Protected by dev->struct_mutex.
-         *
-         * Size: 4 bits for 16 fences + sign (for FENCE_REG_NONE)
         */
-        signed int fence_reg:5;
+        signed int fence_reg:I915_MAX_NUM_FENCE_BITS;
        /**
         * Advice: are the backing pages purgeable?
@@ -997,12 +1002,12 @@ extern int i915_max_ioctl;
 extern unsigned int i915_fbpercrtc __always_unused;
 extern int i915_panel_ignore_lid __read_mostly;
 extern unsigned int i915_powersave __read_mostly;
-extern unsigned int i915_semaphores __read_mostly;
+extern int i915_semaphores __read_mostly;
 extern unsigned int i915_lvds_downclock __read_mostly;
-extern unsigned int i915_panel_use_ssc __read_mostly;
+extern int i915_panel_use_ssc __read_mostly;
 extern int i915_vbt_sdvo_panel_type __read_mostly;
-extern unsigned int i915_enable_rc6 __read_mostly;
+extern int i915_enable_rc6 __read_mostly;
-extern unsigned int i915_enable_fbc __read_mostly;
+extern int i915_enable_fbc __read_mostly;
 extern bool i915_enable_hangcheck __read_mostly;
 extern int i915_suspend(struct drm_device *dev, pm_message_t state);
@@ -1307,6 +1312,11 @@ extern void gen6_set_rps(struct drm_device *dev, u8 val);
 extern void intel_detect_pch(struct drm_device *dev);
 extern int intel_trans_dp_port_sel(struct drm_crtc *crtc);
+extern void __gen6_gt_force_wake_get(struct drm_i915_private *dev_priv);
+extern void __gen6_gt_force_wake_mt_get(struct drm_i915_private *dev_priv);
+extern void __gen6_gt_force_wake_put(struct drm_i915_private *dev_priv);
+extern void __gen6_gt_force_wake_mt_put(struct drm_i915_private *dev_priv);
 /* overlay */
 #ifdef CONFIG_DEBUG_FS
 extern struct intel_overlay_error_state *intel_overlay_capture_error_state(struct drm_device *dev);
@@ -1351,8 +1361,9 @@ void __gen6_gt_wait_for_fifo(struct drm_i915_private *dev_priv);
 /* We give fast paths for the really cool registers */
 #define NEEDS_FORCE_WAKE(dev_priv, reg) \
        (((dev_priv)->info->gen >= 6) && \
-        ((reg) < 0x40000) && \
+         ((reg) < 0x40000) &&            \
-        ((reg) != FORCEWAKE))
+         ((reg) != FORCEWAKE) &&         \
+         ((reg) != ECOBUS))
 #define __i915_read(x, y) \
        u##x i915_read##x(struct drm_i915_private *dev_priv, u32 reg);
diff --git a/drivers/gpu/drm/i915/i915_gem.c b/drivers/gpu/drm/i915/i915_gem.c
index 6651c36b6e8a..8359dc777041 100644
--- a/drivers/gpu/drm/i915/i915_gem.c
+++ b/drivers/gpu/drm/i915/i915_gem.c
@@ -1396,7 +1396,7 @@ i915_gem_mmap_gtt(struct drm_file *file,
        if (obj->base.size > dev_priv->mm.gtt_mappable_end) {
                ret = -E2BIG;
-                goto unlock;
+                goto out;
        }
        if (obj->madv != I915_MADV_WILLNEED) {
@@ -1745,7 +1745,7 @@ static void i915_gem_reset_fences(struct drm_device *dev)
        struct drm_i915_private *dev_priv = dev->dev_private;
        int i;
-        for (i = 0; i < 16; i++) {
+        for (i = 0; i < dev_priv->num_fence_regs; i++) {
                struct drm_i915_fence_reg *reg = &dev_priv->fence_regs[i];
                struct drm_i915_gem_object *obj = reg->obj;
@@ -3512,9 +3512,11 @@ i915_gem_busy_ioctl(struct drm_device *dev, void *data,
                         * so emit a request to do so.
                         */
                        request = kzalloc(sizeof(*request), GFP_KERNEL);
-                        if (request)
+                        if (request) {
                                ret = i915_add_request(obj->ring, NULL, request);
-                        else
+                                if (ret)
+                                        kfree(request);
+                        } else
                                ret = -ENOMEM;
                }
@@ -3613,7 +3615,7 @@ struct drm_i915_gem_object *i915_gem_alloc_object(struct drm_device *dev,
        obj->base.write_domain = I915_GEM_DOMAIN_CPU;
        obj->base.read_domains = I915_GEM_DOMAIN_CPU;
-        if (IS_GEN6(dev)) {
+        if (IS_GEN6(dev) || IS_GEN7(dev)) {
                /* On Gen6, we can have the GPU use the LLC (the CPU
                 * cache) for about a 10% performance improvement
                 * compared to uncached.  Graphics requests other than
@@ -3877,7 +3879,7 @@ i915_gem_load(struct drm_device *dev)
        INIT_LIST_HEAD(&dev_priv->mm.gtt_list);
        for (i = 0; i < I915_NUM_RINGS; i++)
                init_ring_lists(&dev_priv->ring[i]);
-        for (i = 0; i < 16; i++)
+        for (i = 0; i < I915_MAX_NUM_FENCES; i++)
                INIT_LIST_HEAD(&dev_priv->fence_regs[i].lru_list);
        INIT_DELAYED_WORK(&dev_priv->mm.retire_work,
                          i915_gem_retire_work_handler);
diff --git a/drivers/gpu/drm/i915/i915_gem_execbuffer.c b/drivers/gpu/drm/i915/i915_gem_execbuffer.c
index 3693e83a97f3..c681dc149d2a 100644
--- a/drivers/gpu/drm/i915/i915_gem_execbuffer.c
+++ b/drivers/gpu/drm/i915/i915_gem_execbuffer.c
@@ -32,6 +32,7 @@
 #include "i915_drv.h"
 #include "i915_trace.h"
 #include "intel_drv.h"
+#include <linux/dma_remapping.h>
 struct change_domains {
        uint32_t invalidate_domains;
@@ -746,6 +747,22 @@ i915_gem_execbuffer_flush(struct drm_device *dev,
        return 0;
 }
+static bool
+intel_enable_semaphores(struct drm_device *dev)
+{
+        if (INTEL_INFO(dev)->gen < 6)
+                return 0;
+        if (i915_semaphores >= 0)
+                return i915_semaphores;
+        /* Enable semaphores on SNB when IO remapping is off */
+        if (INTEL_INFO(dev)->gen == 6)
+                return !intel_iommu_enabled;
+        return 1;
+}
 static int
 i915_gem_execbuffer_sync_rings(struct drm_i915_gem_object *obj,
                               struct intel_ring_buffer *to)
@@ -758,7 +775,7 @@ i915_gem_execbuffer_sync_rings(struct drm_i915_gem_object *obj,
                return 0;
        /* XXX gpu semaphores are implicated in various hard hangs on SNB */
-        if (INTEL_INFO(obj->base.dev)->gen < 6 || !i915_semaphores)
+        if (!intel_enable_semaphores(obj->base.dev))
                return i915_gem_object_wait_rendering(obj);
        idx = intel_ring_sync_index(from, to);
diff --git a/drivers/gpu/drm/i915/i915_irq.c b/drivers/gpu/drm/i915/i915_irq.c
index 96643ee240da..3700df47ad93 100644
--- a/drivers/gpu/drm/i915/i915_irq.c
+++ b/drivers/gpu/drm/i915/i915_irq.c
@@ -824,6 +824,7 @@ static void i915_gem_record_fences(struct drm_device *dev,
        /* Fences */
        switch (INTEL_INFO(dev)->gen) {
+        case 7:
        case 6:
                for (i = 0; i < 16; i++)
                        error->fence[i] = I915_READ64(FENCE_REG_SANDYBRIDGE_0 + (i * 8));
diff --git a/drivers/gpu/drm/i915/i915_reg.h b/drivers/gpu/drm/i915/i915_reg.h
index 517bf0cda3e5..853f2f0acaa2 100644
--- a/drivers/gpu/drm/i915/i915_reg.h
+++ b/drivers/gpu/drm/i915/i915_reg.h
@@ -1553,12 +1553,21 @@
 */
 #define   PP_READY              (1 << 30)
 #define   PP_SEQUENCE_NONE      (0 << 28)
-#define   PP_SEQUENCE_ON        (1 << 28)
+#define   PP_SEQUENCE_POWER_UP  (1 << 28)
-#define   PP_SEQUENCE_OFF       (2 << 28)
+#define   PP_SEQUENCE_POWER_DOWN (2 << 28)
-#define   PP_SEQUENCE_MASK      0x30000000
+#define   PP_SEQUENCE_MASK      (3 << 28)
+#define   PP_SEQUENCE_SHIFT     28
 #define   PP_CYCLE_DELAY_ACTIVE (1 << 27)
-#define   PP_SEQUENCE_STATE_ON_IDLE (1 << 3)
 #define   PP_SEQUENCE_STATE_MASK 0x0000000f
+#define   PP_SEQUENCE_STATE_OFF_IDLE    (0x0 << 0)
+#define   PP_SEQUENCE_STATE_OFF_S0_1    (0x1 << 0)
+#define   PP_SEQUENCE_STATE_OFF_S0_2    (0x2 << 0)
+#define   PP_SEQUENCE_STATE_OFF_S0_3    (0x3 << 0)
+#define   PP_SEQUENCE_STATE_ON_IDLE     (0x8 << 0)
+#define   PP_SEQUENCE_STATE_ON_S1_0     (0x9 << 0)
+#define   PP_SEQUENCE_STATE_ON_S1_2     (0xa << 0)
+#define   PP_SEQUENCE_STATE_ON_S1_3     (0xb << 0)
+#define   PP_SEQUENCE_STATE_RESET       (0xf << 0)
 #define PP_CONTROL      0x61204
 #define   POWER_TARGET_ON       (1 << 0)
 #define PP_ON_DELAYS    0x61208
@@ -3295,10 +3304,10 @@
 /* or SDVOB */
 #define HDMIB   0xe1140
 #define  PORT_ENABLE    (1 << 31)
-#define  TRANSCODER_A   (0)
+#define  TRANSCODER(pipe)       ((pipe) << 30)
-#define  TRANSCODER_B   (1 << 30)
+#define  TRANSCODER_CPT(pipe)   ((pipe) << 29)
-#define  TRANSCODER(pipe)       ((pipe) << 30)
+#define  TRANSCODER_MASK        (1 << 30)
-#define  TRANSCODER_MASK   (1 << 30)
+#define  TRANSCODER_MASK_CPT    (3 << 29)
 #define  COLOR_FORMAT_8bpc      (0)
 #define  COLOR_FORMAT_12bpc     (3 << 26)
 #define  SDVOB_HOTPLUG_ENABLE   (1 << 23)
@@ -3439,12 +3448,38 @@
 #define  EDP_LINK_TRAIN_800_1200MV_0DB_SNB_B    (0x38<<22)
 #define  EDP_LINK_TRAIN_VOL_EMP_MASK_SNB        (0x3f<<22)
+/* IVB */
+#define EDP_LINK_TRAIN_400MV_0DB_IVB            (0x24 <<22)
+#define EDP_LINK_TRAIN_400MV_3_5DB_IVB          (0x2a <<22)
+#define EDP_LINK_TRAIN_400MV_6DB_IVB            (0x2f <<22)
+#define EDP_LINK_TRAIN_600MV_0DB_IVB            (0x30 <<22)
+#define EDP_LINK_TRAIN_600MV_3_5DB_IVB          (0x36 <<22)
+#define EDP_LINK_TRAIN_800MV_0DB_IVB            (0x38 <<22)
+#define EDP_LINK_TRAIN_800MV_3_5DB_IVB          (0x33 <<22)
+/* legacy values */
+#define EDP_LINK_TRAIN_500MV_0DB_IVB            (0x00 <<22)
+#define EDP_LINK_TRAIN_1000MV_0DB_IVB           (0x20 <<22)
+#define EDP_LINK_TRAIN_500MV_3_5DB_IVB          (0x02 <<22)
+#define EDP_LINK_TRAIN_1000MV_3_5DB_IVB         (0x22 <<22)
+#define EDP_LINK_TRAIN_1000MV_6DB_IVB           (0x23 <<22)
+#define  EDP_LINK_TRAIN_VOL_EMP_MASK_IVB        (0x3f<<22)
 #define  FORCEWAKE                              0xA18C
 #define  FORCEWAKE_ACK                          0x130090
+#define  FORCEWAKE_MT                           0xa188 /* multi-threaded */
+#define  FORCEWAKE_MT_ACK                       0x130040
+#define  ECOBUS                                 0xa180
+#define    FORCEWAKE_MT_ENABLE                  (1<<5)
 #define  GT_FIFO_FREE_ENTRIES                   0x120008
 #define    GT_FIFO_NUM_RESERVED_ENTRIES         20
+#define GEN6_UCGCTL2                            0x9404
+# define GEN6_RCPBUNIT_CLOCK_GATE_DISABLE               (1 << 12)
+# define GEN6_RCCUNIT_CLOCK_GATE_DISABLE                (1 << 11)
 #define GEN6_RPNSWREQ                           0xA008
 #define   GEN6_TURBO_DISABLE                    (1<<31)
 #define   GEN6_FREQUENCY(x)                     ((x)<<25)
diff --git a/drivers/gpu/drm/i915/i915_suspend.c b/drivers/gpu/drm/i915/i915_suspend.c
index f8f602d76650..7886e4fb60e3 100644
--- a/drivers/gpu/drm/i915/i915_suspend.c
+++ b/drivers/gpu/drm/i915/i915_suspend.c
@@ -370,6 +370,7 @@ static void i915_save_modeset_reg(struct drm_device *dev)
        /* Fences */
        switch (INTEL_INFO(dev)->gen) {
+        case 7:
        case 6:
                for (i = 0; i < 16; i++)
                        dev_priv->saveFENCE[i] = I915_READ64(FENCE_REG_SANDYBRIDGE_0 + (i * 8));
@@ -404,6 +405,7 @@ static void i915_restore_modeset_reg(struct drm_device *dev)
        /* Fences */
        switch (INTEL_INFO(dev)->gen) {
+        case 7:
        case 6:
                for (i = 0; i < 16; i++)
                        I915_WRITE64(FENCE_REG_SANDYBRIDGE_0 + (i * 8), dev_priv->saveFENCE[i]);
diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c
index 8ecbc2f11633..5a3e7853003f 100644
--- a/drivers/gpu/drm/i915/intel_display.c
+++ b/drivers/gpu/drm/i915/intel_display.c
@@ -38,8 +38,8 @@
 #include "i915_drv.h"
 #include "i915_trace.h"
 #include "drm_dp_helper.h"
 #include "drm_crtc_helper.h"
+#include <linux/dma_remapping.h>
 #define HAS_eDP (intel_pipe_has_type(crtc, INTEL_OUTPUT_EDP))
@@ -2933,7 +2933,8 @@ static void ironlake_pch_enable(struct drm_crtc *crtc)
        /* For PCH DP, enable TRANS_DP_CTL */
        if (HAS_PCH_CPT(dev) &&
-            intel_pipe_has_type(crtc, INTEL_OUTPUT_DISPLAYPORT)) {
+            (intel_pipe_has_type(crtc, INTEL_OUTPUT_DISPLAYPORT) ||
+             intel_pipe_has_type(crtc, INTEL_OUTPUT_EDP))) {
                u32 bpc = (I915_READ(PIPECONF(pipe)) & PIPE_BPC_MASK) >> 5;
                reg = TRANS_DP_CTL(pipe);
                temp = I915_READ(reg);
@@ -4669,6 +4670,7 @@ static inline bool intel_panel_use_ssc(struct drm_i915_private *dev_priv)
 /**
 * intel_choose_pipe_bpp_dither - figure out what color depth the pipe should send
 * @crtc: CRTC structure
+ * @mode: requested mode
 *
 * A pipe may be connected to one or more outputs.  Based on the depth of the
 * attached framebuffer, choose a good color depth to use on the pipe.
@@ -4680,13 +4682,15 @@ static inline bool intel_panel_use_ssc(struct drm_i915_private *dev_priv)
 *    HDMI supports only 8bpc or 12bpc, so clamp to 8bpc with dither for 10bpc
 *    Displays may support a restricted set as well, check EDID and clamp as
 *      appropriate.
+ *    DP may want to dither down to 6bpc to fit larger modes
 *
 * RETURNS:
 * Dithering requirement (i.e. false if display bpc and pipe bpc match,
 * true if they don't match).
 */
 static bool intel_choose_pipe_bpp_dither(struct drm_crtc *crtc,
-                                         unsigned int *pipe_bpp)
+                                         unsigned int *pipe_bpp,
+                                         struct drm_display_mode *mode)
 {
        struct drm_device *dev = crtc->dev;
        struct drm_i915_private *dev_priv = dev->dev_private;
@@ -4711,7 +4715,7 @@ static bool intel_choose_pipe_bpp_dither(struct drm_crtc *crtc,
                                lvds_bpc = 6;
                        if (lvds_bpc < display_bpc) {
-                                DRM_DEBUG_DRIVER("clamping display bpc (was %d) to LVDS (%d)\n", display_bpc, lvds_bpc);
+                                DRM_DEBUG_KMS("clamping display bpc (was %d) to LVDS (%d)\n", display_bpc, lvds_bpc);
                                display_bpc = lvds_bpc;
                        }
                        continue;
@@ -4722,7 +4726,7 @@ static bool intel_choose_pipe_bpp_dither(struct drm_crtc *crtc,
                        unsigned int edp_bpc = dev_priv->edp.bpp / 3;
                        if (edp_bpc < display_bpc) {
-                                DRM_DEBUG_DRIVER("clamping display bpc (was %d) to eDP (%d)\n", display_bpc, edp_bpc);
+                                DRM_DEBUG_KMS("clamping display bpc (was %d) to eDP (%d)\n", display_bpc, edp_bpc);
                                display_bpc = edp_bpc;
                        }
                        continue;
@@ -4737,7 +4741,7 @@ static bool intel_choose_pipe_bpp_dither(struct drm_crtc *crtc,
                        /* Don't use an invalid EDID bpc value */
                        if (connector->display_info.bpc &&
                            connector->display_info.bpc < display_bpc) {
-                                DRM_DEBUG_DRIVER("clamping display bpc (was %d) to EDID reported max of %d\n", display_bpc, connector->display_info.bpc);
+                                DRM_DEBUG_KMS("clamping display bpc (was %d) to EDID reported max of %d\n", display_bpc, connector->display_info.bpc);
                                display_bpc = connector->display_info.bpc;
                        }
                }
@@ -4748,15 +4752,20 @@ static bool intel_choose_pipe_bpp_dither(struct drm_crtc *crtc,
                 */
                if (intel_encoder->type == INTEL_OUTPUT_HDMI) {
                        if (display_bpc > 8 && display_bpc < 12) {
-                                DRM_DEBUG_DRIVER("forcing bpc to 12 for HDMI\n");
+                                DRM_DEBUG_KMS("forcing bpc to 12 for HDMI\n");
                                display_bpc = 12;
                        } else {
-                                DRM_DEBUG_DRIVER("forcing bpc to 8 for HDMI\n");
+                                DRM_DEBUG_KMS("forcing bpc to 8 for HDMI\n");
                                display_bpc = 8;
                        }
                }
        }
+        if (mode->private_flags & INTEL_MODE_DP_FORCE_6BPC) {
+                DRM_DEBUG_KMS("Dithering DP to 6bpc\n");
+                display_bpc = 6;
+        }
        /*
         * We could just drive the pipe at the highest bpc all the time and
         * enable dithering as needed, but that costs bandwidth.  So choose
@@ -4789,8 +4798,8 @@ static bool intel_choose_pipe_bpp_dither(struct drm_crtc *crtc,
        display_bpc = min(display_bpc, bpc);
-        DRM_DEBUG_DRIVER("setting pipe bpc to %d (max display bpc %d)\n",
+        DRM_DEBUG_KMS("setting pipe bpc to %d (max display bpc %d)\n",
-                         bpc, display_bpc);
+                      bpc, display_bpc);
        *pipe_bpp = display_bpc * 3;
@@ -5018,6 +5027,16 @@ static int i9xx_crtc_mode_set(struct drm_crtc *crtc,
                        pipeconf &= ~PIPECONF_DOUBLE_WIDE;
        }
+        /* default to 8bpc */
+        pipeconf &= ~(PIPECONF_BPP_MASK | PIPECONF_DITHER_EN);
+        if (is_dp) {
+                if (mode->private_flags & INTEL_MODE_DP_FORCE_6BPC) {
+                        pipeconf |= PIPECONF_BPP_6 |
+                                    PIPECONF_DITHER_EN |
+                                    PIPECONF_DITHER_TYPE_SP;
+                }
+        }
        dpll |= DPLL_VCO_ENABLE;
        DRM_DEBUG_KMS("Mode for pipe %c:\n", pipe == 0 ? 'A' : 'B');
@@ -5479,7 +5498,7 @@ static int ironlake_crtc_mode_set(struct drm_crtc *crtc,
        /* determine panel color depth */
        temp = I915_READ(PIPECONF(pipe));
        temp &= ~PIPE_BPC_MASK;
-        dither = intel_choose_pipe_bpp_dither(crtc, &pipe_bpp);
+        dither = intel_choose_pipe_bpp_dither(crtc, &pipe_bpp, mode);
        switch (pipe_bpp) {
        case 18:
                temp |= PIPE_6BPC;
@@ -5671,7 +5690,7 @@ static int ironlake_crtc_mode_set(struct drm_crtc *crtc,
        pipeconf &= ~PIPECONF_DITHER_TYPE_MASK;
        if ((is_lvds && dev_priv->lvds_dither) || dither) {
                pipeconf |= PIPECONF_DITHER_EN;
-                pipeconf |= PIPECONF_DITHER_TYPE_ST1;
+                pipeconf |= PIPECONF_DITHER_TYPE_SP;
        }
        if (is_dp || intel_encoder_is_pch_edp(&has_edp_encoder->base)) {
                intel_dp_set_m_n(crtc, mode, adjusted_mode);
@@ -7188,11 +7207,16 @@ static int intel_crtc_page_flip(struct drm_crtc *crtc,
        work->old_fb_obj = intel_fb->obj;
        INIT_WORK(&work->work, intel_unpin_work_fn);
+        ret = drm_vblank_get(dev, intel_crtc->pipe);
+        if (ret)
+                goto free_work;
        /* We borrow the event spin lock for protecting unpin_work */
        spin_lock_irqsave(&dev->event_lock, flags);
        if (intel_crtc->unpin_work) {
                spin_unlock_irqrestore(&dev->event_lock, flags);
                kfree(work);
+                drm_vblank_put(dev, intel_crtc->pipe);
                DRM_DEBUG_DRIVER("flip queue: crtc already busy\n");
                return -EBUSY;
@@ -7211,10 +7235,6 @@ static int intel_crtc_page_flip(struct drm_crtc *crtc,
        crtc->fb = fb;
-        ret = drm_vblank_get(dev, intel_crtc->pipe);
-        if (ret)
-                goto cleanup_objs;
        work->pending_flip_obj = obj;
        work->enable_stall_check = true;
@@ -7237,7 +7257,6 @@ static int intel_crtc_page_flip(struct drm_crtc *crtc,
 cleanup_pending:
        atomic_sub(1 << intel_crtc->plane, &work->old_fb_obj->pending_flip);
-cleanup_objs:
        drm_gem_object_unreference(&work->old_fb_obj->base);
        drm_gem_object_unreference(&obj->base);
        mutex_unlock(&dev->struct_mutex);
@@ -7246,6 +7265,8 @@ cleanup_objs:
        intel_crtc->unpin_work = NULL;
        spin_unlock_irqrestore(&dev->event_lock, flags);
+        drm_vblank_put(dev, intel_crtc->pipe);
+free_work:
        kfree(work);
        return ret;
@@ -7891,6 +7912,33 @@ void intel_init_emon(struct drm_device *dev)
        dev_priv->corr = (lcfuse & LCFUSE_HIV_MASK);
 }
+static bool intel_enable_rc6(struct drm_device *dev)
+{
+        /*
+         * Respect the kernel parameter if it is set
+         */
+        if (i915_enable_rc6 >= 0)
+                return i915_enable_rc6;
+        /*
+         * Disable RC6 on Ironlake
+         */
+        if (INTEL_INFO(dev)->gen == 5)
+                return 0;
+        /*
+         * Enable rc6 on Sandybridge if DMA remapping is disabled
+         */
+        if (INTEL_INFO(dev)->gen == 6) {
+                DRM_DEBUG_DRIVER("Sandybridge: intel_iommu_enabled %s -- RC6 %sabled\n",
+                                 intel_iommu_enabled ? "true" : "false",
+                                 !intel_iommu_enabled ? "en" : "dis");
+                return !intel_iommu_enabled;
+        }
+        DRM_DEBUG_DRIVER("RC6 enabled\n");
+        return 1;
+}
 void gen6_enable_rps(struct drm_i915_private *dev_priv)
 {
        u32 rp_state_cap = I915_READ(GEN6_RP_STATE_CAP);
@@ -7927,7 +7975,7 @@ void gen6_enable_rps(struct drm_i915_private *dev_priv)
        I915_WRITE(GEN6_RC6p_THRESHOLD, 100000);
        I915_WRITE(GEN6_RC6pp_THRESHOLD, 64000); /* unused */
-        if (i915_enable_rc6)
+        if (intel_enable_rc6(dev_priv->dev))
                rc6_mask = GEN6_RC_CTL_RC6p_ENABLE |
                        GEN6_RC_CTL_RC6_ENABLE;
@@ -8153,6 +8201,20 @@ static void gen6_init_clock_gating(struct drm_device *dev)
        I915_WRITE(WM2_LP_ILK, 0);
        I915_WRITE(WM1_LP_ILK, 0);
+        /* According to the BSpec vol1g, bit 12 (RCPBUNIT) clock
+         * gating disable must be set.  Failure to set it results in
+         * flickering pixels due to Z write ordering failures after
+         * some amount of runtime in the Mesa "fire" demo, and Unigine
+         * Sanctuary and Tropics, and apparently anything else with
+         * alpha test or pixel discard.
+         *
+         * According to the spec, bit 11 (RCCUNIT) must also be set,
+         * but we didn't debug actual testcases to find it out.
+         */
+        I915_WRITE(GEN6_UCGCTL2,
+                   GEN6_RCPBUNIT_CLOCK_GATE_DISABLE |
+                   GEN6_RCCUNIT_CLOCK_GATE_DISABLE);
        /*
         * According to the spec the following bits should be
         * set in order to enable memory self-refresh and fbc:
@@ -8362,7 +8424,7 @@ void ironlake_enable_rc6(struct drm_device *dev)
        /* rc6 disabled by default due to repeated reports of hanging during
         * boot and resume.
         */
-        if (!i915_enable_rc6)
+        if (!intel_enable_rc6(dev))
                return;
        mutex_lock(&dev->struct_mutex);
@@ -8481,6 +8543,28 @@ static void intel_init_display(struct drm_device *dev)
        /* For FIFO watermark updates */
        if (HAS_PCH_SPLIT(dev)) {
+                dev_priv->display.force_wake_get = __gen6_gt_force_wake_get;
+                dev_priv->display.force_wake_put = __gen6_gt_force_wake_put;
+                /* IVB configs may use multi-threaded forcewake */
+                if (IS_IVYBRIDGE(dev)) {
+                        u32     ecobus;
+                        mutex_lock(&dev->struct_mutex);
+                        __gen6_gt_force_wake_mt_get(dev_priv);
+                        ecobus = I915_READ(ECOBUS);
+                        __gen6_gt_force_wake_mt_put(dev_priv);
+                        mutex_unlock(&dev->struct_mutex);
+                        if (ecobus & FORCEWAKE_MT_ENABLE) {
+                                DRM_DEBUG_KMS("Using MT version of forcewake\n");
+                                dev_priv->display.force_wake_get =
+                                        __gen6_gt_force_wake_mt_get;
+                                dev_priv->display.force_wake_put =
+                                        __gen6_gt_force_wake_mt_put;
+                        }
+                }
                if (HAS_PCH_IBX(dev))
                        dev_priv->display.init_pch_clock_gating = ibx_init_clock_gating;
                else if (HAS_PCH_CPT(dev))
diff --git a/drivers/gpu/drm/i915/intel_dp.c b/drivers/gpu/drm/i915/intel_dp.c
index 09b318b0227f..92b041b66e49 100644
--- a/drivers/gpu/drm/i915/intel_dp.c
+++ b/drivers/gpu/drm/i915/intel_dp.c
@@ -59,7 +59,6 @@ struct intel_dp {
        struct i2c_algo_dp_aux_data algo;
        bool is_pch_edp;
        uint8_t train_set[4];
-        uint8_t link_status[DP_LINK_STATUS_SIZE];
        int panel_power_up_delay;
        int panel_power_down_delay;
        int panel_power_cycle_delay;
@@ -68,7 +67,6 @@ struct intel_dp {
        struct drm_display_mode *panel_fixed_mode;  /* for eDP */
        struct delayed_work panel_vdd_work;
        bool want_panel_vdd;
-        unsigned long panel_off_jiffies;
 };
 /**
@@ -157,16 +155,12 @@ intel_edp_link_config(struct intel_encoder *intel_encoder,
 static int
 intel_dp_max_lane_count(struct intel_dp *intel_dp)
 {
-        int max_lane_count = 4;
+        int max_lane_count = intel_dp->dpcd[DP_MAX_LANE_COUNT] & 0x1f;
+        switch (max_lane_count) {
-        if (intel_dp->dpcd[DP_DPCD_REV] >= 0x11) {
+        case 1: case 2: case 4:
-                max_lane_count = intel_dp->dpcd[DP_MAX_LANE_COUNT] & 0x1f;
+                break;
-                switch (max_lane_count) {
+        default:
-                case 1: case 2: case 4:
+                max_lane_count = 4;
-                        break;
-                default:
-                        max_lane_count = 4;
-                }
        }
        return max_lane_count;
 }
@@ -214,13 +208,15 @@ intel_dp_link_clock(uint8_t link_bw)
 */
 static int
-intel_dp_link_required(struct intel_dp *intel_dp, int pixel_clock)
+intel_dp_link_required(struct intel_dp *intel_dp, int pixel_clock, int check_bpp)
 {
        struct drm_crtc *crtc = intel_dp->base.base.crtc;
        struct intel_crtc *intel_crtc = to_intel_crtc(crtc);
        int bpp = 24;
-        if (intel_crtc)
+        if (check_bpp)
+                bpp = check_bpp;
+        else if (intel_crtc)
                bpp = intel_crtc->bpp;
        return (pixel_clock * bpp + 9) / 10;
@@ -239,6 +235,7 @@ intel_dp_mode_valid(struct drm_connector *connector,
        struct intel_dp *intel_dp = intel_attached_dp(connector);
        int max_link_clock = intel_dp_link_clock(intel_dp_max_link_bw(intel_dp));
        int max_lanes = intel_dp_max_lane_count(intel_dp);
+        int max_rate, mode_rate;
        if (is_edp(intel_dp) && intel_dp->panel_fixed_mode) {
                if (mode->hdisplay > intel_dp->panel_fixed_mode->hdisplay)
@@ -248,9 +245,17 @@ intel_dp_mode_valid(struct drm_connector *connector,
                        return MODE_PANEL;
        }
-        if (intel_dp_link_required(intel_dp, mode->clock)
+        mode_rate = intel_dp_link_required(intel_dp, mode->clock, 0);
-            > intel_dp_max_data_rate(max_link_clock, max_lanes))
+        max_rate = intel_dp_max_data_rate(max_link_clock, max_lanes);
-                return MODE_CLOCK_HIGH;
+        if (mode_rate > max_rate) {
+                        mode_rate = intel_dp_link_required(intel_dp,
+                                                           mode->clock, 18);
+                        if (mode_rate > max_rate)
+                                return MODE_CLOCK_HIGH;
+                        else
+                                mode->private_flags |= INTEL_MODE_DP_FORCE_6BPC;
+        }
        if (mode->clock < 10000)
                return MODE_CLOCK_LOW;
@@ -368,8 +373,8 @@ intel_dp_aux_ch(struct intel_dp *intel_dp,
         * clock divider.
         */
        if (is_cpu_edp(intel_dp)) {
-                if (IS_GEN6(dev))
+                if (IS_GEN6(dev) || IS_GEN7(dev))
-                        aux_clock_divider = 200; /* SNB eDP input clock at 400Mhz */
+                        aux_clock_divider = 200; /* SNB & IVB eDP input clock at 400Mhz */
                else
                        aux_clock_divider = 225; /* eDP input clock at 450Mhz */
        } else if (HAS_PCH_SPLIT(dev))
@@ -678,6 +683,7 @@ intel_dp_mode_fixup(struct drm_encoder *encoder, struct drm_display_mode *mode,
        int lane_count, clock;
        int max_lane_count = intel_dp_max_lane_count(intel_dp);
        int max_clock = intel_dp_max_link_bw(intel_dp) == DP_LINK_BW_2_7 ? 1 : 0;
+        int bpp = mode->private_flags & INTEL_MODE_DP_FORCE_6BPC ? 18 : 0;
        static int bws[2] = { DP_LINK_BW_1_62, DP_LINK_BW_2_7 };
        if (is_edp(intel_dp) && intel_dp->panel_fixed_mode) {
@@ -695,7 +701,7 @@ intel_dp_mode_fixup(struct drm_encoder *encoder, struct drm_display_mode *mode,
                for (clock = 0; clock <= max_clock; clock++) {
                        int link_avail = intel_dp_max_data_rate(intel_dp_link_clock(bws[clock]), lane_count);
-                        if (intel_dp_link_required(intel_dp, mode->clock)
+                        if (intel_dp_link_required(intel_dp, mode->clock, bpp)
                                        <= link_avail) {
                                intel_dp->link_bw = bws[clock];
                                intel_dp->lane_count = lane_count;
@@ -768,12 +774,11 @@ intel_dp_set_m_n(struct drm_crtc *crtc, struct drm_display_mode *mode,
                        continue;
                intel_dp = enc_to_intel_dp(encoder);
-                if (intel_dp->base.type == INTEL_OUTPUT_DISPLAYPORT) {
+                if (intel_dp->base.type == INTEL_OUTPUT_DISPLAYPORT ||
+                    intel_dp->base.type == INTEL_OUTPUT_EDP)
+                {
                        lane_count = intel_dp->lane_count;
                        break;
-                } else if (is_edp(intel_dp)) {
-                        lane_count = dev_priv->edp.lanes;
-                        break;
                }
        }
@@ -810,6 +815,7 @@ intel_dp_mode_set(struct drm_encoder *encoder, struct drm_display_mode *mode,
                  struct drm_display_mode *adjusted_mode)
 {
        struct drm_device *dev = encoder->dev;
+        struct drm_i915_private *dev_priv = dev->dev_private;
        struct intel_dp *intel_dp = enc_to_intel_dp(encoder);
        struct drm_crtc *crtc = intel_dp->base.base.crtc;
        struct intel_crtc *intel_crtc = to_intel_crtc(crtc);
@@ -822,18 +828,32 @@ intel_dp_mode_set(struct drm_encoder *encoder, struct drm_display_mode *mode,
                        ironlake_edp_pll_off(encoder);
        }
-        intel_dp->DP = DP_VOLTAGE_0_4 | DP_PRE_EMPHASIS_0;
+        /*
-        intel_dp->DP |= intel_dp->color_range;
+         * There are four kinds of DP registers:
+         *
+         *      IBX PCH
+         *      SNB CPU
+         *      IVB CPU
+         *      CPT PCH
+         *
+         * IBX PCH and CPU are the same for almost everything,
+         * except that the CPU DP PLL is configured in this
+         * register
+         *
+         * CPT PCH is quite different, having many bits moved
+         * to the TRANS_DP_CTL register instead. That
+         * configuration happens (oddly) in ironlake_pch_enable
+         */
+        /* Preserve the BIOS-computed detected bit. This is
+         * supposed to be read-only.
+         */
+        intel_dp->DP = I915_READ(intel_dp->output_reg) & DP_DETECTED;
+        intel_dp->DP |=  DP_VOLTAGE_0_4 | DP_PRE_EMPHASIS_0;
-        if (adjusted_mode->flags & DRM_MODE_FLAG_PHSYNC)
+        /* Handle DP bits in common between all three register formats */
-                intel_dp->DP |= DP_SYNC_HS_HIGH;
-        if (adjusted_mode->flags & DRM_MODE_FLAG_PVSYNC)
-                intel_dp->DP |= DP_SYNC_VS_HIGH;
-        if (HAS_PCH_CPT(dev) && !is_cpu_edp(intel_dp))
+        intel_dp->DP |= DP_VOLTAGE_0_4 | DP_PRE_EMPHASIS_0;
-                intel_dp->DP |= DP_LINK_TRAIN_OFF_CPT;
-        else
-                intel_dp->DP |= DP_LINK_TRAIN_OFF;
        switch (intel_dp->lane_count) {
        case 1:
@@ -852,59 +872,124 @@ intel_dp_mode_set(struct drm_encoder *encoder, struct drm_display_mode *mode,
                intel_dp->DP |= DP_AUDIO_OUTPUT_ENABLE;
                intel_write_eld(encoder, adjusted_mode);
        }
        memset(intel_dp->link_configuration, 0, DP_LINK_CONFIGURATION_SIZE);
        intel_dp->link_configuration[0] = intel_dp->link_bw;
        intel_dp->link_configuration[1] = intel_dp->lane_count;
        intel_dp->link_configuration[8] = DP_SET_ANSI_8B10B;
        /*
         * Check for DPCD version > 1.1 and enhanced framing support
         */
        if (intel_dp->dpcd[DP_DPCD_REV] >= 0x11 &&
            (intel_dp->dpcd[DP_MAX_LANE_COUNT] & DP_ENHANCED_FRAME_CAP)) {
                intel_dp->link_configuration[1] |= DP_LANE_COUNT_ENHANCED_FRAME_EN;
-                intel_dp->DP |= DP_ENHANCED_FRAMING;
        }
-        /* CPT DP's pipe select is decided in TRANS_DP_CTL */
+        /* Split out the IBX/CPU vs CPT settings */
-        if (intel_crtc->pipe == 1 && !HAS_PCH_CPT(dev))
-                intel_dp->DP |= DP_PIPEB_SELECT;
+        if (is_cpu_edp(intel_dp) && IS_GEN7(dev)) {
+                if (adjusted_mode->flags & DRM_MODE_FLAG_PHSYNC)
+                        intel_dp->DP |= DP_SYNC_HS_HIGH;
+                if (adjusted_mode->flags & DRM_MODE_FLAG_PVSYNC)
+                        intel_dp->DP |= DP_SYNC_VS_HIGH;
+                intel_dp->DP |= DP_LINK_TRAIN_OFF_CPT;
+                if (intel_dp->link_configuration[1] & DP_LANE_COUNT_ENHANCED_FRAME_EN)
+                        intel_dp->DP |= DP_ENHANCED_FRAMING;
+                intel_dp->DP |= intel_crtc->pipe << 29;
-        if (is_cpu_edp(intel_dp)) {
                /* don't miss out required setting for eDP */
                intel_dp->DP |= DP_PLL_ENABLE;
                if (adjusted_mode->clock < 200000)
                        intel_dp->DP |= DP_PLL_FREQ_160MHZ;
                else
                        intel_dp->DP |= DP_PLL_FREQ_270MHZ;
+        } else if (!HAS_PCH_CPT(dev) || is_cpu_edp(intel_dp)) {
+                intel_dp->DP |= intel_dp->color_range;
+                if (adjusted_mode->flags & DRM_MODE_FLAG_PHSYNC)
+                        intel_dp->DP |= DP_SYNC_HS_HIGH;
+                if (adjusted_mode->flags & DRM_MODE_FLAG_PVSYNC)
+                        intel_dp->DP |= DP_SYNC_VS_HIGH;
+                intel_dp->DP |= DP_LINK_TRAIN_OFF;
+                if (intel_dp->link_configuration[1] & DP_LANE_COUNT_ENHANCED_FRAME_EN)
+                        intel_dp->DP |= DP_ENHANCED_FRAMING;
+                if (intel_crtc->pipe == 1)
+                        intel_dp->DP |= DP_PIPEB_SELECT;
+                if (is_cpu_edp(intel_dp)) {
+                        /* don't miss out required setting for eDP */
+                        intel_dp->DP |= DP_PLL_ENABLE;
+                        if (adjusted_mode->clock < 200000)
+                                intel_dp->DP |= DP_PLL_FREQ_160MHZ;
+                        else
+                                intel_dp->DP |= DP_PLL_FREQ_270MHZ;
+                }
+        } else {
+                intel_dp->DP |= DP_LINK_TRAIN_OFF_CPT;
        }
 }
-static void ironlake_wait_panel_off(struct intel_dp *intel_dp)
+#define IDLE_ON_MASK            (PP_ON | 0        | PP_SEQUENCE_MASK | 0                     | PP_SEQUENCE_STATE_MASK)
+#define IDLE_ON_VALUE           (PP_ON | 0        | PP_SEQUENCE_NONE | 0                     | PP_SEQUENCE_STATE_ON_IDLE)
+#define IDLE_OFF_MASK           (PP_ON | 0        | PP_SEQUENCE_MASK | 0                     | PP_SEQUENCE_STATE_MASK)
+#define IDLE_OFF_VALUE          (0     | 0        | PP_SEQUENCE_NONE | 0                     | PP_SEQUENCE_STATE_OFF_IDLE)
+#define IDLE_CYCLE_MASK         (PP_ON | 0        | PP_SEQUENCE_MASK | PP_CYCLE_DELAY_ACTIVE | PP_SEQUENCE_STATE_MASK)
+#define IDLE_CYCLE_VALUE        (0     | 0        | PP_SEQUENCE_NONE | 0                     | PP_SEQUENCE_STATE_OFF_IDLE)
+static void ironlake_wait_panel_status(struct intel_dp *intel_dp,
+                                       u32 mask,
+                                       u32 value)
 {
-        unsigned long   off_time;
+        struct drm_device *dev = intel_dp->base.base.dev;
-        unsigned long   delay;
+        struct drm_i915_private *dev_priv = dev->dev_private;
-        DRM_DEBUG_KMS("Wait for panel power off time\n");
+        DRM_DEBUG_KMS("mask %08x value %08x status %08x control %08x\n",
+                      mask, value,
+                      I915_READ(PCH_PP_STATUS),
+                      I915_READ(PCH_PP_CONTROL));
-        if (ironlake_edp_have_panel_power(intel_dp) ||
+        if (_wait_for((I915_READ(PCH_PP_STATUS) & mask) == value, 5000, 10)) {
-            ironlake_edp_have_panel_vdd(intel_dp))
+                DRM_ERROR("Panel status timeout: status %08x control %08x\n",
-        {
+                          I915_READ(PCH_PP_STATUS),
-                DRM_DEBUG_KMS("Panel still on, no delay needed\n");
+                          I915_READ(PCH_PP_CONTROL));
-                return;
        }
+}
-        off_time = intel_dp->panel_off_jiffies + msecs_to_jiffies(intel_dp->panel_power_down_delay);
+static void ironlake_wait_panel_on(struct intel_dp *intel_dp)
-        if (time_after(jiffies, off_time)) {
+{
-                DRM_DEBUG_KMS("Time already passed");
+        DRM_DEBUG_KMS("Wait for panel power on\n");
-                return;
+        ironlake_wait_panel_status(intel_dp, IDLE_ON_MASK, IDLE_ON_VALUE);
-        }
+}
-        delay = jiffies_to_msecs(off_time - jiffies);
-        if (delay > intel_dp->panel_power_down_delay)
+static void ironlake_wait_panel_off(struct intel_dp *intel_dp)
-                delay = intel_dp->panel_power_down_delay;
+{
-        DRM_DEBUG_KMS("Waiting an additional %ld ms\n", delay);
+        DRM_DEBUG_KMS("Wait for panel power off time\n");
-        msleep(delay);
+        ironlake_wait_panel_status(intel_dp, IDLE_OFF_MASK, IDLE_OFF_VALUE);
+}
+static void ironlake_wait_panel_power_cycle(struct intel_dp *intel_dp)
+{
+        DRM_DEBUG_KMS("Wait for panel power cycle\n");
+        ironlake_wait_panel_status(intel_dp, IDLE_CYCLE_MASK, IDLE_CYCLE_VALUE);
+}
+/* Read the current pp_control value, unlocking the register if it
+ * is locked
+ */
+static  u32 ironlake_get_pp_control(struct drm_i915_private *dev_priv)
+{
+        u32     control = I915_READ(PCH_PP_CONTROL);
+        control &= ~PANEL_UNLOCK_MASK;
+        control |= PANEL_UNLOCK_REGS;
+        return control;
 }
 static void ironlake_edp_panel_vdd_on(struct intel_dp *intel_dp)
@@ -921,15 +1006,16 @@ static void ironlake_edp_panel_vdd_on(struct intel_dp *intel_dp)
             "eDP VDD already requested on\n");
        intel_dp->want_panel_vdd = true;
        if (ironlake_edp_have_panel_vdd(intel_dp)) {
                DRM_DEBUG_KMS("eDP VDD already on\n");
                return;
        }
-        ironlake_wait_panel_off(intel_dp);
+        if (!ironlake_edp_have_panel_power(intel_dp))
-        pp = I915_READ(PCH_PP_CONTROL);
+                ironlake_wait_panel_power_cycle(intel_dp);
-        pp &= ~PANEL_UNLOCK_MASK;
-        pp |= PANEL_UNLOCK_REGS;
+        pp = ironlake_get_pp_control(dev_priv);
        pp |= EDP_FORCE_VDD;
        I915_WRITE(PCH_PP_CONTROL, pp);
        POSTING_READ(PCH_PP_CONTROL);
@@ -952,9 +1038,7 @@ static void ironlake_panel_vdd_off_sync(struct intel_dp *intel_dp)
        u32 pp;
        if (!intel_dp->want_panel_vdd && ironlake_edp_have_panel_vdd(intel_dp)) {
-                pp = I915_READ(PCH_PP_CONTROL);
+                pp = ironlake_get_pp_control(dev_priv);
-                pp &= ~PANEL_UNLOCK_MASK;
-                pp |= PANEL_UNLOCK_REGS;
                pp &= ~EDP_FORCE_VDD;
                I915_WRITE(PCH_PP_CONTROL, pp);
                POSTING_READ(PCH_PP_CONTROL);
@@ -962,7 +1046,8 @@ static void ironlake_panel_vdd_off_sync(struct intel_dp *intel_dp)
                /* Make sure sequencer is idle before allowing subsequent activity */
                DRM_DEBUG_KMS("PCH_PP_STATUS: 0x%08x PCH_PP_CONTROL: 0x%08x\n",
                              I915_READ(PCH_PP_STATUS), I915_READ(PCH_PP_CONTROL));
-                intel_dp->panel_off_jiffies = jiffies;
+                msleep(intel_dp->panel_power_down_delay);
        }
 }
@@ -972,9 +1057,9 @@ static void ironlake_panel_vdd_work(struct work_struct *__work)
                                                 struct intel_dp, panel_vdd_work);
        struct drm_device *dev = intel_dp->base.base.dev;
-        mutex_lock(&dev->struct_mutex);
+        mutex_lock(&dev->mode_config.mutex);
        ironlake_panel_vdd_off_sync(intel_dp);
-        mutex_unlock(&dev->struct_mutex);
+        mutex_unlock(&dev->mode_config.mutex);
 }
 static void ironlake_edp_panel_vdd_off(struct intel_dp *intel_dp, bool sync)
@@ -984,7 +1069,7 @@ static void ironlake_edp_panel_vdd_off(struct intel_dp *intel_dp, bool sync)
        DRM_DEBUG_KMS("Turn eDP VDD off %d\n", intel_dp->want_panel_vdd);
        WARN(!intel_dp->want_panel_vdd, "eDP VDD not forced on");
-        
        intel_dp->want_panel_vdd = false;
        if (sync) {
@@ -1000,23 +1085,25 @@ static void ironlake_edp_panel_vdd_off(struct intel_dp *intel_dp, bool sync)
        }
 }
-/* Returns true if the panel was already on when called */
 static void ironlake_edp_panel_on(struct intel_dp *intel_dp)
 {
        struct drm_device *dev = intel_dp->base.base.dev;
        struct drm_i915_private *dev_priv = dev->dev_private;
-        u32 pp, idle_on_mask = PP_ON | PP_SEQUENCE_STATE_ON_IDLE;
+        u32 pp;
        if (!is_edp(intel_dp))
                return;
-        if (ironlake_edp_have_panel_power(intel_dp))
+        DRM_DEBUG_KMS("Turn eDP power on\n");
+        if (ironlake_edp_have_panel_power(intel_dp)) {
+                DRM_DEBUG_KMS("eDP power already on\n");
                return;
+        }
-        ironlake_wait_panel_off(intel_dp);
+        ironlake_wait_panel_power_cycle(intel_dp);
-        pp = I915_READ(PCH_PP_CONTROL);
-        pp &= ~PANEL_UNLOCK_MASK;
-        pp |= PANEL_UNLOCK_REGS;
+        pp = ironlake_get_pp_control(dev_priv);
        if (IS_GEN5(dev)) {
                /* ILK workaround: disable reset around power sequence */
                pp &= ~PANEL_POWER_RESET;
@@ -1025,13 +1112,13 @@ static void ironlake_edp_panel_on(struct intel_dp *intel_dp)
        }
        pp |= POWER_TARGET_ON;
+        if (!IS_GEN5(dev))
+                pp |= PANEL_POWER_RESET;
        I915_WRITE(PCH_PP_CONTROL, pp);
        POSTING_READ(PCH_PP_CONTROL);
-        if (wait_for((I915_READ(PCH_PP_STATUS) & idle_on_mask) == idle_on_mask,
+        ironlake_wait_panel_on(intel_dp);
-                     5000))
-                DRM_ERROR("panel on wait timed out: 0x%08x\n",
-                          I915_READ(PCH_PP_STATUS));
        if (IS_GEN5(dev)) {
                pp |= PANEL_POWER_RESET; /* restore panel reset bit */
@@ -1040,46 +1127,25 @@ static void ironlake_edp_panel_on(struct intel_dp *intel_dp)
        }
 }
-static void ironlake_edp_panel_off(struct drm_encoder *encoder)
+static void ironlake_edp_panel_off(struct intel_dp *intel_dp)
 {
-        struct intel_dp *intel_dp = enc_to_intel_dp(encoder);
+        struct drm_device *dev = intel_dp->base.base.dev;
-        struct drm_device *dev = encoder->dev;
        struct drm_i915_private *dev_priv = dev->dev_private;
-        u32 pp, idle_off_mask = PP_ON | PP_SEQUENCE_MASK |
+        u32 pp;
-                PP_CYCLE_DELAY_ACTIVE | PP_SEQUENCE_STATE_MASK;
        if (!is_edp(intel_dp))
                return;
-        pp = I915_READ(PCH_PP_CONTROL);
-        pp &= ~PANEL_UNLOCK_MASK;
-        pp |= PANEL_UNLOCK_REGS;
-        if (IS_GEN5(dev)) {
+        DRM_DEBUG_KMS("Turn eDP power off\n");
-                /* ILK workaround: disable reset around power sequence */
-                pp &= ~PANEL_POWER_RESET;
-                I915_WRITE(PCH_PP_CONTROL, pp);
-                POSTING_READ(PCH_PP_CONTROL);
-        }
-        intel_dp->panel_off_jiffies = jiffies;
+        WARN(intel_dp->want_panel_vdd, "Cannot turn power off while VDD is on\n");
-        if (IS_GEN5(dev)) {
+        pp = ironlake_get_pp_control(dev_priv);
-                pp &= ~POWER_TARGET_ON;
+        pp &= ~(POWER_TARGET_ON | EDP_FORCE_VDD | PANEL_POWER_RESET | EDP_BLC_ENABLE);
-                I915_WRITE(PCH_PP_CONTROL, pp);
+        I915_WRITE(PCH_PP_CONTROL, pp);
-                POSTING_READ(PCH_PP_CONTROL);
+        POSTING_READ(PCH_PP_CONTROL);
-                pp &= ~POWER_TARGET_ON;
-                I915_WRITE(PCH_PP_CONTROL, pp);
-                POSTING_READ(PCH_PP_CONTROL);
-                msleep(intel_dp->panel_power_cycle_delay);
-                if (wait_for((I915_READ(PCH_PP_STATUS) & idle_off_mask) == 0, 5000))
-                        DRM_ERROR("panel off wait timed out: 0x%08x\n",
-                                  I915_READ(PCH_PP_STATUS));
-                pp |= PANEL_POWER_RESET; /* restore panel reset bit */
+        ironlake_wait_panel_off(intel_dp);
-                I915_WRITE(PCH_PP_CONTROL, pp);
-                POSTING_READ(PCH_PP_CONTROL);
-        }
 }
 static void ironlake_edp_backlight_on(struct intel_dp *intel_dp)
@@ -1099,9 +1165,7 @@ static void ironlake_edp_backlight_on(struct intel_dp *intel_dp)
         * allowing it to appear.
         */
        msleep(intel_dp->backlight_on_delay);
-        pp = I915_READ(PCH_PP_CONTROL);
+        pp = ironlake_get_pp_control(dev_priv);
-        pp &= ~PANEL_UNLOCK_MASK;
-        pp |= PANEL_UNLOCK_REGS;
        pp |= EDP_BLC_ENABLE;
        I915_WRITE(PCH_PP_CONTROL, pp);
        POSTING_READ(PCH_PP_CONTROL);
@@ -1117,9 +1181,7 @@ static void ironlake_edp_backlight_off(struct intel_dp *intel_dp)
                return;
        DRM_DEBUG_KMS("\n");
-        pp = I915_READ(PCH_PP_CONTROL);
+        pp = ironlake_get_pp_control(dev_priv);
-        pp &= ~PANEL_UNLOCK_MASK;
-        pp |= PANEL_UNLOCK_REGS;
        pp &= ~EDP_BLC_ENABLE;
        I915_WRITE(PCH_PP_CONTROL, pp);
        POSTING_READ(PCH_PP_CONTROL);
@@ -1187,17 +1249,18 @@ static void intel_dp_prepare(struct drm_encoder *encoder)
 {
        struct intel_dp *intel_dp = enc_to_intel_dp(encoder);
+        ironlake_edp_backlight_off(intel_dp);
+        ironlake_edp_panel_off(intel_dp);
        /* Wake up the sink first */
        ironlake_edp_panel_vdd_on(intel_dp);
        intel_dp_sink_dpms(intel_dp, DRM_MODE_DPMS_ON);
+        intel_dp_link_down(intel_dp);
        ironlake_edp_panel_vdd_off(intel_dp, false);
        /* Make sure the panel is off before trying to
         * change the mode
         */
-        ironlake_edp_backlight_off(intel_dp);
-        intel_dp_link_down(intel_dp);
-        ironlake_edp_panel_off(encoder);
 }
 static void intel_dp_commit(struct drm_encoder *encoder)
@@ -1211,7 +1274,6 @@ static void intel_dp_commit(struct drm_encoder *encoder)
        intel_dp_start_link_train(intel_dp);
        ironlake_edp_panel_on(intel_dp);
        ironlake_edp_panel_vdd_off(intel_dp, true);
        intel_dp_complete_link_train(intel_dp);
        ironlake_edp_backlight_on(intel_dp);
@@ -1230,16 +1292,20 @@ intel_dp_dpms(struct drm_encoder *encoder, int mode)
        uint32_t dp_reg = I915_READ(intel_dp->output_reg);
        if (mode != DRM_MODE_DPMS_ON) {
+                ironlake_edp_backlight_off(intel_dp);
+                ironlake_edp_panel_off(intel_dp);
                ironlake_edp_panel_vdd_on(intel_dp);
-                if (is_edp(intel_dp))
-                        ironlake_edp_backlight_off(intel_dp);
                intel_dp_sink_dpms(intel_dp, mode);
                intel_dp_link_down(intel_dp);
-                ironlake_edp_panel_off(encoder);
-                if (is_edp(intel_dp) && !is_pch_edp(intel_dp))
-                        ironlake_edp_pll_off(encoder);
                ironlake_edp_panel_vdd_off(intel_dp, false);
+                if (is_cpu_edp(intel_dp))
+                        ironlake_edp_pll_off(encoder);
        } else {
+                if (is_cpu_edp(intel_dp))
+                        ironlake_edp_pll_on(encoder);
                ironlake_edp_panel_vdd_on(intel_dp);
                intel_dp_sink_dpms(intel_dp, mode);
                if (!(dp_reg & DP_PORT_EN)) {
@@ -1247,7 +1313,6 @@ intel_dp_dpms(struct drm_encoder *encoder, int mode)
                        ironlake_edp_panel_on(intel_dp);
                        ironlake_edp_panel_vdd_off(intel_dp, true);
                        intel_dp_complete_link_train(intel_dp);
-                        ironlake_edp_backlight_on(intel_dp);
                } else
                        ironlake_edp_panel_vdd_off(intel_dp, false);
                ironlake_edp_backlight_on(intel_dp);
@@ -1285,11 +1350,11 @@ intel_dp_aux_native_read_retry(struct intel_dp *intel_dp, uint16_t address,
 * link status information
 */
 static bool
-intel_dp_get_link_status(struct intel_dp *intel_dp)
+intel_dp_get_link_status(struct intel_dp *intel_dp, uint8_t link_status[DP_LINK_STATUS_SIZE])
 {
        return intel_dp_aux_native_read_retry(intel_dp,
                                              DP_LANE0_1_STATUS,
-                                              intel_dp->link_status,
+                                              link_status,
                                              DP_LINK_STATUS_SIZE);
 }
@@ -1301,27 +1366,25 @@ intel_dp_link_status(uint8_t link_status[DP_LINK_STATUS_SIZE],
 }
 static uint8_t
-intel_get_adjust_request_voltage(uint8_t link_status[DP_LINK_STATUS_SIZE],
+intel_get_adjust_request_voltage(uint8_t adjust_request[2],
                                 int lane)
 {
-        int         i = DP_ADJUST_REQUEST_LANE0_1 + (lane >> 1);
        int         s = ((lane & 1) ?
                         DP_ADJUST_VOLTAGE_SWING_LANE1_SHIFT :
                         DP_ADJUST_VOLTAGE_SWING_LANE0_SHIFT);
-        uint8_t l = intel_dp_link_status(link_status, i);
+        uint8_t l = adjust_request[lane>>1];
        return ((l >> s) & 3) << DP_TRAIN_VOLTAGE_SWING_SHIFT;
 }
 static uint8_t
-intel_get_adjust_request_pre_emphasis(uint8_t link_status[DP_LINK_STATUS_SIZE],
+intel_get_adjust_request_pre_emphasis(uint8_t adjust_request[2],
                                      int lane)
 {
-        int         i = DP_ADJUST_REQUEST_LANE0_1 + (lane >> 1);
        int         s = ((lane & 1) ?
                         DP_ADJUST_PRE_EMPHASIS_LANE1_SHIFT :
                         DP_ADJUST_PRE_EMPHASIS_LANE0_SHIFT);
-        uint8_t l = intel_dp_link_status(link_status, i);
+        uint8_t l = adjust_request[lane>>1];
        return ((l >> s) & 3) << DP_TRAIN_PRE_EMPHASIS_SHIFT;
 }
@@ -1343,34 +1406,63 @@ static char	*link_train_names[] = {
 * These are source-specific values; current Intel hardware supports
 * a maximum voltage of 800mV and a maximum pre-emphasis of 6dB
 */
-#define I830_DP_VOLTAGE_MAX         DP_TRAIN_VOLTAGE_SWING_800
 static uint8_t
-intel_dp_pre_emphasis_max(uint8_t voltage_swing)
+intel_dp_voltage_max(struct intel_dp *intel_dp)
 {
-        switch (voltage_swing & DP_TRAIN_VOLTAGE_SWING_MASK) {
+        struct drm_device *dev = intel_dp->base.base.dev;
-        case DP_TRAIN_VOLTAGE_SWING_400:
-                return DP_TRAIN_PRE_EMPHASIS_6;
+        if (IS_GEN7(dev) && is_cpu_edp(intel_dp))
-        case DP_TRAIN_VOLTAGE_SWING_600:
+                return DP_TRAIN_VOLTAGE_SWING_800;
-                return DP_TRAIN_PRE_EMPHASIS_6;
+        else if (HAS_PCH_CPT(dev) && !is_cpu_edp(intel_dp))
-        case DP_TRAIN_VOLTAGE_SWING_800:
+                return DP_TRAIN_VOLTAGE_SWING_1200;
-                return DP_TRAIN_PRE_EMPHASIS_3_5;
+        else
-        case DP_TRAIN_VOLTAGE_SWING_1200:
+                return DP_TRAIN_VOLTAGE_SWING_800;
-        default:
+}
-                return DP_TRAIN_PRE_EMPHASIS_0;
+static uint8_t
+intel_dp_pre_emphasis_max(struct intel_dp *intel_dp, uint8_t voltage_swing)
+{
+        struct drm_device *dev = intel_dp->base.base.dev;
+        if (IS_GEN7(dev) && is_cpu_edp(intel_dp)) {
+                switch (voltage_swing & DP_TRAIN_VOLTAGE_SWING_MASK) {
+                case DP_TRAIN_VOLTAGE_SWING_400:
+                        return DP_TRAIN_PRE_EMPHASIS_6;
+                case DP_TRAIN_VOLTAGE_SWING_600:
+                case DP_TRAIN_VOLTAGE_SWING_800:
+                        return DP_TRAIN_PRE_EMPHASIS_3_5;
+                default:
+                        return DP_TRAIN_PRE_EMPHASIS_0;
+                }
+        } else {
+                switch (voltage_swing & DP_TRAIN_VOLTAGE_SWING_MASK) {
+                case DP_TRAIN_VOLTAGE_SWING_400:
+                        return DP_TRAIN_PRE_EMPHASIS_6;
+                case DP_TRAIN_VOLTAGE_SWING_600:
+                        return DP_TRAIN_PRE_EMPHASIS_6;
+                case DP_TRAIN_VOLTAGE_SWING_800:
+                        return DP_TRAIN_PRE_EMPHASIS_3_5;
+                case DP_TRAIN_VOLTAGE_SWING_1200:
+                default:
+                        return DP_TRAIN_PRE_EMPHASIS_0;
+                }
        }
 }
 static void
-intel_get_adjust_train(struct intel_dp *intel_dp)
+intel_get_adjust_train(struct intel_dp *intel_dp, uint8_t link_status[DP_LINK_STATUS_SIZE])
 {
        uint8_t v = 0;
        uint8_t p = 0;
        int lane;
+        uint8_t *adjust_request = link_status + (DP_ADJUST_REQUEST_LANE0_1 - DP_LANE0_1_STATUS);
+        uint8_t voltage_max;
+        uint8_t preemph_max;
        for (lane = 0; lane < intel_dp->lane_count; lane++) {
-                uint8_t this_v = intel_get_adjust_request_voltage(intel_dp->link_status, lane);
+                uint8_t this_v = intel_get_adjust_request_voltage(adjust_request, lane);
-                uint8_t this_p = intel_get_adjust_request_pre_emphasis(intel_dp->link_status, lane);
+                uint8_t this_p = intel_get_adjust_request_pre_emphasis(adjust_request, lane);
                if (this_v > v)
                        v = this_v;
@@ -1378,18 +1470,20 @@ intel_get_adjust_train(struct intel_dp *intel_dp)
                        p = this_p;
        }
-        if (v >= I830_DP_VOLTAGE_MAX)
+        voltage_max = intel_dp_voltage_max(intel_dp);
-                v = I830_DP_VOLTAGE_MAX | DP_TRAIN_MAX_SWING_REACHED;
+        if (v >= voltage_max)
+                v = voltage_max | DP_TRAIN_MAX_SWING_REACHED;
-        if (p >= intel_dp_pre_emphasis_max(v))
+        preemph_max = intel_dp_pre_emphasis_max(intel_dp, v);
-                p = intel_dp_pre_emphasis_max(v) | DP_TRAIN_MAX_PRE_EMPHASIS_REACHED;
+        if (p >= preemph_max)
+                p = preemph_max | DP_TRAIN_MAX_PRE_EMPHASIS_REACHED;
        for (lane = 0; lane < 4; lane++)
                intel_dp->train_set[lane] = v | p;
 }
 static uint32_t
-intel_dp_signal_levels(uint8_t train_set, int lane_count)
+intel_dp_signal_levels(uint8_t train_set)
 {
        uint32_t        signal_levels = 0;
@@ -1454,13 +1548,43 @@ intel_gen6_edp_signal_levels(uint8_t train_set)
        }
 }
+/* Gen7's DP voltage swing and pre-emphasis control */
+static uint32_t
+intel_gen7_edp_signal_levels(uint8_t train_set)
+{
+        int signal_levels = train_set & (DP_TRAIN_VOLTAGE_SWING_MASK |
+                                         DP_TRAIN_PRE_EMPHASIS_MASK);
+        switch (signal_levels) {
+        case DP_TRAIN_VOLTAGE_SWING_400 | DP_TRAIN_PRE_EMPHASIS_0:
+                return EDP_LINK_TRAIN_400MV_0DB_IVB;
+        case DP_TRAIN_VOLTAGE_SWING_400 | DP_TRAIN_PRE_EMPHASIS_3_5:
+                return EDP_LINK_TRAIN_400MV_3_5DB_IVB;
+        case DP_TRAIN_VOLTAGE_SWING_400 | DP_TRAIN_PRE_EMPHASIS_6:
+                return EDP_LINK_TRAIN_400MV_6DB_IVB;
+        case DP_TRAIN_VOLTAGE_SWING_600 | DP_TRAIN_PRE_EMPHASIS_0:
+                return EDP_LINK_TRAIN_600MV_0DB_IVB;
+        case DP_TRAIN_VOLTAGE_SWING_600 | DP_TRAIN_PRE_EMPHASIS_3_5:
+                return EDP_LINK_TRAIN_600MV_3_5DB_IVB;
+        case DP_TRAIN_VOLTAGE_SWING_800 | DP_TRAIN_PRE_EMPHASIS_0:
+                return EDP_LINK_TRAIN_800MV_0DB_IVB;
+        case DP_TRAIN_VOLTAGE_SWING_800 | DP_TRAIN_PRE_EMPHASIS_3_5:
+                return EDP_LINK_TRAIN_800MV_3_5DB_IVB;
+        default:
+                DRM_DEBUG_KMS("Unsupported voltage swing/pre-emphasis level:"
+                              "0x%x\n", signal_levels);
+                return EDP_LINK_TRAIN_500MV_0DB_IVB;
+        }
+}
 static uint8_t
 intel_get_lane_status(uint8_t link_status[DP_LINK_STATUS_SIZE],
                      int lane)
 {
-        int i = DP_LANE0_1_STATUS + (lane >> 1);
        int s = (lane & 1) * 4;
-        uint8_t l = intel_dp_link_status(link_status, i);
+        uint8_t l = link_status[lane>>1];
        return (l >> s) & 0xf;
 }
@@ -1485,18 +1609,18 @@ intel_clock_recovery_ok(uint8_t link_status[DP_LINK_STATUS_SIZE], int lane_count
                         DP_LANE_CHANNEL_EQ_DONE|\
                         DP_LANE_SYMBOL_LOCKED)
 static bool
-intel_channel_eq_ok(struct intel_dp *intel_dp)
+intel_channel_eq_ok(struct intel_dp *intel_dp, uint8_t link_status[DP_LINK_STATUS_SIZE])
 {
        uint8_t lane_align;
        uint8_t lane_status;
        int lane;
-        lane_align = intel_dp_link_status(intel_dp->link_status,
+        lane_align = intel_dp_link_status(link_status,
                                          DP_LANE_ALIGN_STATUS_UPDATED);
        if ((lane_align & DP_INTERLANE_ALIGN_DONE) == 0)
                return false;
        for (lane = 0; lane < intel_dp->lane_count; lane++) {
-                lane_status = intel_get_lane_status(intel_dp->link_status, lane);
+                lane_status = intel_get_lane_status(link_status, lane);
                if ((lane_status & CHANNEL_EQ_BITS) != CHANNEL_EQ_BITS)
                        return false;
        }
@@ -1521,8 +1645,9 @@ intel_dp_set_link_train(struct intel_dp *intel_dp,
        ret = intel_dp_aux_native_write(intel_dp,
                                        DP_TRAINING_LANE0_SET,
-                                        intel_dp->train_set, 4);
+                                        intel_dp->train_set,
-        if (ret != 4)
+                                        intel_dp->lane_count);
+        if (ret != intel_dp->lane_count)
                return false;
        return true;
@@ -1538,7 +1663,7 @@ intel_dp_start_link_train(struct intel_dp *intel_dp)
        int i;
        uint8_t voltage;
        bool clock_recovery = false;
-        int tries;
+        int voltage_tries, loop_tries;
        u32 reg;
        uint32_t DP = intel_dp->DP;
@@ -1559,26 +1684,35 @@ intel_dp_start_link_train(struct intel_dp *intel_dp)
                                  DP_LINK_CONFIGURATION_SIZE);
        DP |= DP_PORT_EN;
-        if (HAS_PCH_CPT(dev) && !is_cpu_edp(intel_dp))
+        if (HAS_PCH_CPT(dev) && (IS_GEN7(dev) || !is_cpu_edp(intel_dp)))
                DP &= ~DP_LINK_TRAIN_MASK_CPT;
        else
                DP &= ~DP_LINK_TRAIN_MASK;
        memset(intel_dp->train_set, 0, 4);
        voltage = 0xff;
-        tries = 0;
+        voltage_tries = 0;
+        loop_tries = 0;
        clock_recovery = false;
        for (;;) {
                /* Use intel_dp->train_set[0] to set the voltage and pre emphasis values */
+                uint8_t     link_status[DP_LINK_STATUS_SIZE];
                uint32_t    signal_levels;
-                if (IS_GEN6(dev) && is_edp(intel_dp)) {
+                if (IS_GEN7(dev) && is_cpu_edp(intel_dp)) {
+                        signal_levels = intel_gen7_edp_signal_levels(intel_dp->train_set[0]);
+                        DP = (DP & ~EDP_LINK_TRAIN_VOL_EMP_MASK_IVB) | signal_levels;
+                } else if (IS_GEN6(dev) && is_cpu_edp(intel_dp)) {
                        signal_levels = intel_gen6_edp_signal_levels(intel_dp->train_set[0]);
                        DP = (DP & ~EDP_LINK_TRAIN_VOL_EMP_MASK_SNB) | signal_levels;
                } else {
-                        signal_levels = intel_dp_signal_levels(intel_dp->train_set[0], intel_dp->lane_count);
+                        signal_levels = intel_dp_signal_levels(intel_dp->train_set[0]);
+                        DRM_DEBUG_KMS("training pattern 1 signal levels %08x\n", signal_levels);
                        DP = (DP & ~(DP_VOLTAGE_MASK|DP_PRE_EMPHASIS_MASK)) | signal_levels;
                }
-                if (HAS_PCH_CPT(dev) && !is_cpu_edp(intel_dp))
+                if (HAS_PCH_CPT(dev) && (IS_GEN7(dev) || !is_cpu_edp(intel_dp)))
                        reg = DP | DP_LINK_TRAIN_PAT_1_CPT;
                else
                        reg = DP | DP_LINK_TRAIN_PAT_1;
@@ -1590,10 +1724,13 @@ intel_dp_start_link_train(struct intel_dp *intel_dp)
                /* Set training pattern 1 */
                udelay(100);
-                if (!intel_dp_get_link_status(intel_dp))
+                if (!intel_dp_get_link_status(intel_dp, link_status)) {
+                        DRM_ERROR("failed to get link status\n");
                        break;
+                }
-                if (intel_clock_recovery_ok(intel_dp->link_status, intel_dp->lane_count)) {
+                if (intel_clock_recovery_ok(link_status, intel_dp->lane_count)) {
+                        DRM_DEBUG_KMS("clock recovery OK\n");
                        clock_recovery = true;
                        break;
                }
@@ -1602,20 +1739,30 @@ intel_dp_start_link_train(struct intel_dp *intel_dp)
                for (i = 0; i < intel_dp->lane_count; i++)
                        if ((intel_dp->train_set[i] & DP_TRAIN_MAX_SWING_REACHED) == 0)
                                break;
-                if (i == intel_dp->lane_count)
+                if (i == intel_dp->lane_count) {
-                        break;
+                        ++loop_tries;
+                        if (loop_tries == 5) {
+                                DRM_DEBUG_KMS("too many full retries, give up\n");
+                                break;
+                        }
+                        memset(intel_dp->train_set, 0, 4);
+                        voltage_tries = 0;
+                        continue;
+                }
                /* Check to see if we've tried the same voltage 5 times */
                if ((intel_dp->train_set[0] & DP_TRAIN_VOLTAGE_SWING_MASK) == voltage) {
-                        ++tries;
+                        ++voltage_tries;
-                        if (tries == 5)
+                        if (voltage_tries == 5) {
+                                DRM_DEBUG_KMS("too many voltage retries, give up\n");
                                break;
+                        }
                } else
-                        tries = 0;
+                        voltage_tries = 0;
                voltage = intel_dp->train_set[0] & DP_TRAIN_VOLTAGE_SWING_MASK;
                /* Compute new intel_dp->train_set as requested by target */
-                intel_get_adjust_train(intel_dp);
+                intel_get_adjust_train(intel_dp, link_status);
        }
        intel_dp->DP = DP;
@@ -1638,6 +1785,7 @@ intel_dp_complete_link_train(struct intel_dp *intel_dp)
        for (;;) {
                /* Use intel_dp->train_set[0] to set the voltage and pre emphasis values */
                uint32_t    signal_levels;
+                uint8_t     link_status[DP_LINK_STATUS_SIZE];
                if (cr_tries > 5) {
                        DRM_ERROR("failed to train DP, aborting\n");
@@ -1645,15 +1793,18 @@ intel_dp_complete_link_train(struct intel_dp *intel_dp)
                        break;
                }
-                if (IS_GEN6(dev) && is_edp(intel_dp)) {
+                if (IS_GEN7(dev) && is_cpu_edp(intel_dp)) {
+                        signal_levels = intel_gen7_edp_signal_levels(intel_dp->train_set[0]);
+                        DP = (DP & ~EDP_LINK_TRAIN_VOL_EMP_MASK_IVB) | signal_levels;
+                } else if (IS_GEN6(dev) && is_cpu_edp(intel_dp)) {
                        signal_levels = intel_gen6_edp_signal_levels(intel_dp->train_set[0]);
                        DP = (DP & ~EDP_LINK_TRAIN_VOL_EMP_MASK_SNB) | signal_levels;
                } else {
-                        signal_levels = intel_dp_signal_levels(intel_dp->train_set[0], intel_dp->lane_count);
+                        signal_levels = intel_dp_signal_levels(intel_dp->train_set[0]);
                        DP = (DP & ~(DP_VOLTAGE_MASK|DP_PRE_EMPHASIS_MASK)) | signal_levels;
                }
-                if (HAS_PCH_CPT(dev) && !is_cpu_edp(intel_dp))
+                if (HAS_PCH_CPT(dev) && (IS_GEN7(dev) || !is_cpu_edp(intel_dp)))
                        reg = DP | DP_LINK_TRAIN_PAT_2_CPT;
                else
                        reg = DP | DP_LINK_TRAIN_PAT_2;
@@ -1665,17 +1816,17 @@ intel_dp_complete_link_train(struct intel_dp *intel_dp)
                        break;
                udelay(400);
-                if (!intel_dp_get_link_status(intel_dp))
+                if (!intel_dp_get_link_status(intel_dp, link_status))
                        break;
                /* Make sure clock is still ok */
-                if (!intel_clock_recovery_ok(intel_dp->link_status, intel_dp->lane_count)) {
+                if (!intel_clock_recovery_ok(link_status, intel_dp->lane_count)) {
                        intel_dp_start_link_train(intel_dp);
                        cr_tries++;
                        continue;
                }
-                if (intel_channel_eq_ok(intel_dp)) {
+                if (intel_channel_eq_ok(intel_dp, link_status)) {
                        channel_eq = true;
                        break;
                }
@@ -1690,11 +1841,11 @@ intel_dp_complete_link_train(struct intel_dp *intel_dp)
                }
                /* Compute new intel_dp->train_set as requested by target */
-                intel_get_adjust_train(intel_dp);
+                intel_get_adjust_train(intel_dp, link_status);
                ++tries;
        }
-        if (HAS_PCH_CPT(dev) && !is_cpu_edp(intel_dp))
+        if (HAS_PCH_CPT(dev) && (IS_GEN7(dev) || !is_cpu_edp(intel_dp)))
                reg = DP | DP_LINK_TRAIN_OFF_CPT;
        else
                reg = DP | DP_LINK_TRAIN_OFF;
@@ -1724,7 +1875,7 @@ intel_dp_link_down(struct intel_dp *intel_dp)
                udelay(100);
        }
-        if (HAS_PCH_CPT(dev) && !is_cpu_edp(intel_dp)) {
+        if (HAS_PCH_CPT(dev) && (IS_GEN7(dev) || !is_cpu_edp(intel_dp))) {
                DP &= ~DP_LINK_TRAIN_MASK_CPT;
                I915_WRITE(intel_dp->output_reg, DP | DP_LINK_TRAIN_PAT_IDLE_CPT);
        } else {
@@ -1735,8 +1886,12 @@ intel_dp_link_down(struct intel_dp *intel_dp)
        msleep(17);
-        if (is_edp(intel_dp))
+        if (is_edp(intel_dp)) {
-                DP |= DP_LINK_TRAIN_OFF;
+                if (HAS_PCH_CPT(dev) && (IS_GEN7(dev) || !is_cpu_edp(intel_dp)))
+                        DP |= DP_LINK_TRAIN_OFF_CPT;
+                else
+                        DP |= DP_LINK_TRAIN_OFF;
+        }
        if (!HAS_PCH_CPT(dev) &&
            I915_READ(intel_dp->output_reg) & DP_PIPEB_SELECT) {
@@ -1822,6 +1977,7 @@ static void
 intel_dp_check_link_status(struct intel_dp *intel_dp)
 {
        u8 sink_irq_vector;
+        u8 link_status[DP_LINK_STATUS_SIZE];
        if (intel_dp->dpms_mode != DRM_MODE_DPMS_ON)
                return;
@@ -1830,7 +1986,7 @@ intel_dp_check_link_status(struct intel_dp *intel_dp)
                return;
        /* Try to read receiver status if the link appears to be up */
-        if (!intel_dp_get_link_status(intel_dp)) {
+        if (!intel_dp_get_link_status(intel_dp, link_status)) {
                intel_dp_link_down(intel_dp);
                return;
        }
@@ -1855,7 +2011,7 @@ intel_dp_check_link_status(struct intel_dp *intel_dp)
                        DRM_DEBUG_DRIVER("CP or sink specific irq unhandled\n");
        }
-        if (!intel_channel_eq_ok(intel_dp)) {
+        if (!intel_channel_eq_ok(intel_dp, link_status)) {
                DRM_DEBUG_KMS("%s: channel EQ not ok, retraining\n",
                              drm_get_encoder_name(&intel_dp->base.base));
                intel_dp_start_link_train(intel_dp);
@@ -2179,7 +2335,8 @@ intel_trans_dp_port_sel(struct drm_crtc *crtc)
                        continue;
                intel_dp = enc_to_intel_dp(encoder);
-                if (intel_dp->base.type == INTEL_OUTPUT_DISPLAYPORT)
+                if (intel_dp->base.type == INTEL_OUTPUT_DISPLAYPORT ||
+                    intel_dp->base.type == INTEL_OUTPUT_EDP)
                        return intel_dp->output_reg;
        }
@@ -2321,7 +2478,7 @@ intel_dp_init(struct drm_device *dev, int output_reg)
                cur.t8 = (pp_on & PANEL_LIGHT_ON_DELAY_MASK) >>
                        PANEL_LIGHT_ON_DELAY_SHIFT;
-                
                cur.t9 = (pp_off & PANEL_LIGHT_OFF_DELAY_MASK) >>
                        PANEL_LIGHT_OFF_DELAY_SHIFT;
@@ -2354,11 +2511,10 @@ intel_dp_init(struct drm_device *dev, int output_reg)
                DRM_DEBUG_KMS("backlight on delay %d, off delay %d\n",
                              intel_dp->backlight_on_delay, intel_dp->backlight_off_delay);
-                intel_dp->panel_off_jiffies = jiffies - intel_dp->panel_power_down_delay;
                ironlake_edp_panel_vdd_on(intel_dp);
                ret = intel_dp_get_dpcd(intel_dp);
                ironlake_edp_panel_vdd_off(intel_dp, false);
                if (ret) {
                        if (intel_dp->dpcd[DP_DPCD_REV] >= 0x11)
                                dev_priv->no_aux_handshake =
diff --git a/drivers/gpu/drm/i915/intel_drv.h b/drivers/gpu/drm/i915/intel_drv.h
index 23c56221fe8f..82a459bfccbc 100644
--- a/drivers/gpu/drm/i915/intel_drv.h
+++ b/drivers/gpu/drm/i915/intel_drv.h
@@ -110,6 +110,7 @@
 /* drm_display_mode->private_flags */
 #define INTEL_MODE_PIXEL_MULTIPLIER_SHIFT (0x0)
 #define INTEL_MODE_PIXEL_MULTIPLIER_MASK (0xf << INTEL_MODE_PIXEL_MULTIPLIER_SHIFT)
+#define INTEL_MODE_DP_FORCE_6BPC (0x10)
 static inline void
 intel_mode_set_pixel_multiplier(struct drm_display_mode *mode,
diff --git a/drivers/gpu/drm/i915/intel_lvds.c b/drivers/gpu/drm/i915/intel_lvds.c
index 42f165a520de..e44191132ac4 100644
--- a/drivers/gpu/drm/i915/intel_lvds.c
+++ b/drivers/gpu/drm/i915/intel_lvds.c
@@ -715,6 +715,14 @@ static const struct dmi_system_id intel_no_lvds[] = {
                        DMI_MATCH(DMI_PRODUCT_NAME, "EB1007"),
                },
        },
+        {
+                .callback = intel_no_lvds_dmi_callback,
+                .ident = "Asus AT5NM10T-I",
+                .matches = {
+                        DMI_MATCH(DMI_BOARD_VENDOR, "ASUSTeK Computer INC."),
+                        DMI_MATCH(DMI_BOARD_NAME, "AT5NM10T-I"),
+                },
+        },
        { }     /* terminating entry */
 };
diff --git a/drivers/gpu/drm/i915/intel_panel.c b/drivers/gpu/drm/i915/intel_panel.c
index 499d4c0dbeeb..04d79fd1dc9d 100644
--- a/drivers/gpu/drm/i915/intel_panel.c
+++ b/drivers/gpu/drm/i915/intel_panel.c
@@ -178,13 +178,10 @@ u32 intel_panel_get_max_backlight(struct drm_device *dev)
        if (HAS_PCH_SPLIT(dev)) {
                max >>= 16;
        } else {
-                if (IS_PINEVIEW(dev)) {
+                if (INTEL_INFO(dev)->gen < 4)
                        max >>= 17;
-                } else {
+                else
                        max >>= 16;
-                        if (INTEL_INFO(dev)->gen < 4)
-                                max &= ~1;
-                }
                if (is_backlight_combination_mode(dev))
                        max *= 0xff;
@@ -203,13 +200,12 @@ u32 intel_panel_get_backlight(struct drm_device *dev)
                val = I915_READ(BLC_PWM_CPU_CTL) & BACKLIGHT_DUTY_CYCLE_MASK;
        } else {
                val = I915_READ(BLC_PWM_CTL) & BACKLIGHT_DUTY_CYCLE_MASK;
-                if (IS_PINEVIEW(dev))
+                if (INTEL_INFO(dev)->gen < 4)
                        val >>= 1;
                if (is_backlight_combination_mode(dev)) {
                        u8 lbpc;
-                        val &= ~1;
                        pci_read_config_byte(dev->pdev, PCI_LBPC, &lbpc);
                        val *= lbpc;
                }
@@ -246,11 +242,9 @@ static void intel_panel_actually_set_backlight(struct drm_device *dev, u32 level
        }
        tmp = I915_READ(BLC_PWM_CTL);
-        if (IS_PINEVIEW(dev)) {
+        if (INTEL_INFO(dev)->gen < 4) 
-                tmp &= ~(BACKLIGHT_DUTY_CYCLE_MASK - 1);
                level <<= 1;
-        } else
+        tmp &= ~BACKLIGHT_DUTY_CYCLE_MASK;
-                tmp &= ~BACKLIGHT_DUTY_CYCLE_MASK;
        I915_WRITE(BLC_PWM_CTL, tmp | level);
 }
@@ -326,7 +320,8 @@ static int intel_panel_update_status(struct backlight_device *bd)
 static int intel_panel_get_brightness(struct backlight_device *bd)
 {
        struct drm_device *dev = bl_get_data(bd);
-        return intel_panel_get_backlight(dev);
+        struct drm_i915_private *dev_priv = dev->dev_private;
+        return dev_priv->backlight_level;
 }
 static const struct backlight_ops intel_panel_bl_ops = {
diff --git a/drivers/gpu/drm/i915/intel_sdvo.c b/drivers/gpu/drm/i915/intel_sdvo.c
index 3003fb25aefd..f7b9268df266 100644
--- a/drivers/gpu/drm/i915/intel_sdvo.c
+++ b/drivers/gpu/drm/i915/intel_sdvo.c
@@ -50,6 +50,7 @@
 #define IS_TMDS(c)      (c->output_flag & SDVO_TMDS_MASK)
 #define IS_LVDS(c)      (c->output_flag & SDVO_LVDS_MASK)
 #define IS_TV_OR_LVDS(c) (c->output_flag & (SDVO_TV_MASK | SDVO_LVDS_MASK))
+#define IS_DIGITAL(c) (c->output_flag & (SDVO_TMDS_MASK | SDVO_LVDS_MASK))
 static const char *tv_format_names[] = {
@@ -1086,8 +1087,12 @@ static void intel_sdvo_mode_set(struct drm_encoder *encoder,
                }
                sdvox |= (9 << 19) | SDVO_BORDER_ENABLE;
        }
-        if (intel_crtc->pipe == 1)
-                sdvox |= SDVO_PIPE_B_SELECT;
+        if (INTEL_PCH_TYPE(dev) >= PCH_CPT)
+                sdvox |= TRANSCODER_CPT(intel_crtc->pipe);
+        else
+                sdvox |= TRANSCODER(intel_crtc->pipe);
        if (intel_sdvo->has_hdmi_audio)
                sdvox |= SDVO_AUDIO_ENABLE;
@@ -1314,6 +1319,18 @@ intel_sdvo_tmds_sink_detect(struct drm_connector *connector)
        return status;
 }
+static bool
+intel_sdvo_connector_matches_edid(struct intel_sdvo_connector *sdvo,
+                                  struct edid *edid)
+{
+        bool monitor_is_digital = !!(edid->input & DRM_EDID_INPUT_DIGITAL);
+        bool connector_is_digital = !!IS_DIGITAL(sdvo);
+        DRM_DEBUG_KMS("connector_is_digital? %d, monitor_is_digital? %d\n",
+                      connector_is_digital, monitor_is_digital);
+        return connector_is_digital == monitor_is_digital;
+}
 static enum drm_connector_status
 intel_sdvo_detect(struct drm_connector *connector, bool force)
 {
@@ -1358,10 +1375,12 @@ intel_sdvo_detect(struct drm_connector *connector, bool force)
                if (edid == NULL)
                        edid = intel_sdvo_get_analog_edid(connector);
                if (edid != NULL) {
-                        if (edid->input & DRM_EDID_INPUT_DIGITAL)
+                        if (intel_sdvo_connector_matches_edid(intel_sdvo_connector,
-                                ret = connector_status_disconnected;
+                                                              edid))
-                        else
                                ret = connector_status_connected;
+                        else
+                                ret = connector_status_disconnected;
                        connector->display_info.raw_edid = NULL;
                        kfree(edid);
                } else
@@ -1402,11 +1421,8 @@ static void intel_sdvo_get_ddc_modes(struct drm_connector *connector)
                edid = intel_sdvo_get_analog_edid(connector);
        if (edid != NULL) {
-                struct intel_sdvo_connector *intel_sdvo_connector = to_intel_sdvo_connector(connector);
+                if (intel_sdvo_connector_matches_edid(to_intel_sdvo_connector(connector),
-                bool monitor_is_digital = !!(edid->input & DRM_EDID_INPUT_DIGITAL);
+                                                      edid)) {
-                bool connector_is_digital = !!IS_TMDS(intel_sdvo_connector);
-                if (connector_is_digital == monitor_is_digital) {
                        drm_mode_connector_update_edid_property(connector, edid);
                        drm_add_edid_modes(connector, edid);
                }
diff --git a/drivers/gpu/drm/nouveau/nouveau_bios.c b/drivers/gpu/drm/nouveau/nouveau_bios.c
index 032a82098136..5fc201b49d30 100644
--- a/drivers/gpu/drm/nouveau/nouveau_bios.c
+++ b/drivers/gpu/drm/nouveau/nouveau_bios.c
@@ -640,10 +640,9 @@ static int
 nv50_pll_set(struct drm_device *dev, uint32_t reg, uint32_t clk)
 {
        struct drm_nouveau_private *dev_priv = dev->dev_private;
-        uint32_t reg0 = nv_rd32(dev, reg + 0);
-        uint32_t reg1 = nv_rd32(dev, reg + 4);
        struct nouveau_pll_vals pll;
        struct pll_lims pll_limits;
+        u32 ctrl, mask, coef;
        int ret;
        ret = get_pll_limits(dev, reg, &pll_limits);
@@ -654,15 +653,20 @@ nv50_pll_set(struct drm_device *dev, uint32_t reg, uint32_t clk)
        if (!clk)
                return -ERANGE;
-        reg0 = (reg0 & 0xfff8ffff) | (pll.log2P << 16);
+        coef = pll.N1 << 8 | pll.M1;
-        reg1 = (reg1 & 0xffff0000) | (pll.N1 << 8) | pll.M1;
+        ctrl = pll.log2P << 16;
+        mask = 0x00070000;
-        if (dev_priv->vbios.execute) {
+        if (reg == 0x004008) {
-                still_alive();
+                mask |= 0x01f80000;
-                nv_wr32(dev, reg + 4, reg1);
+                ctrl |= (pll_limits.log2p_bias << 19);
-                nv_wr32(dev, reg + 0, reg0);
+                ctrl |= (pll.log2P << 22);
        }
+        if (!dev_priv->vbios.execute)
+                return 0;
+        nv_mask(dev, reg + 0, mask, ctrl);
+        nv_wr32(dev, reg + 4, coef);
        return 0;
 }
diff --git a/drivers/gpu/drm/nouveau/nouveau_bo.c b/drivers/gpu/drm/nouveau/nouveau_bo.c
index b1b33a108b31..f12dd0f39211 100644
--- a/drivers/gpu/drm/nouveau/nouveau_bo.c
+++ b/drivers/gpu/drm/nouveau/nouveau_bo.c
@@ -153,7 +153,7 @@ set_placement_range(struct nouveau_bo *nvbo, uint32_t type)
        if (dev_priv->card_type == NV_10 &&
            nvbo->tile_mode && (type & TTM_PL_FLAG_VRAM) &&
-            nvbo->bo.mem.num_pages < vram_pages / 2) {
+            nvbo->bo.mem.num_pages < vram_pages / 4) {
                /*
                 * Make sure that the color and depth buffers are handled
                 * by independent memory controller units. Up to a 9x
diff --git a/drivers/gpu/drm/nouveau/nouveau_channel.c b/drivers/gpu/drm/nouveau/nouveau_channel.c
index a319d5646ea9..bb6ec9ef8676 100644
--- a/drivers/gpu/drm/nouveau/nouveau_channel.c
+++ b/drivers/gpu/drm/nouveau/nouveau_channel.c
@@ -158,6 +158,7 @@ nouveau_channel_alloc(struct drm_device *dev, struct nouveau_channel **chan_ret,
        INIT_LIST_HEAD(&chan->nvsw.vbl_wait);
        INIT_LIST_HEAD(&chan->nvsw.flip);
        INIT_LIST_HEAD(&chan->fence.pending);
+        spin_lock_init(&chan->fence.lock);
        /* setup channel's memory and vm */
        ret = nouveau_gpuobj_channel_init(chan, vram_handle, gart_handle);
diff --git a/drivers/gpu/drm/nouveau/nouveau_connector.c b/drivers/gpu/drm/nouveau/nouveau_connector.c
index e0d275e1c96c..cea6696b1906 100644
--- a/drivers/gpu/drm/nouveau/nouveau_connector.c
+++ b/drivers/gpu/drm/nouveau/nouveau_connector.c
@@ -710,7 +710,7 @@ nouveau_connector_mode_valid(struct drm_connector *connector,
        case OUTPUT_DP:
                max_clock  = nv_encoder->dp.link_nr;
                max_clock *= nv_encoder->dp.link_bw;
-                clock = clock * nouveau_connector_bpp(connector) / 8;
+                clock = clock * nouveau_connector_bpp(connector) / 10;
                break;
        default:
                BUG_ON(1);
diff --git a/drivers/gpu/drm/nouveau/nouveau_display.c b/drivers/gpu/drm/nouveau/nouveau_display.c
index 2531ef54c3e9..7e88cd7f2b99 100644
--- a/drivers/gpu/drm/nouveau/nouveau_display.c
+++ b/drivers/gpu/drm/nouveau/nouveau_display.c
@@ -369,3 +369,48 @@ nouveau_finish_page_flip(struct nouveau_channel *chan,
        spin_unlock_irqrestore(&dev->event_lock, flags);
        return 0;
 }
+int
+nouveau_display_dumb_create(struct drm_file *file_priv, struct drm_device *dev,
+                            struct drm_mode_create_dumb *args)
+{
+        struct nouveau_bo *bo;
+        int ret;
+        args->pitch = roundup(args->width * (args->bpp / 8), 256);
+        args->size = args->pitch * args->height;
+        args->size = roundup(args->size, PAGE_SIZE);
+        ret = nouveau_gem_new(dev, args->size, 0, TTM_PL_FLAG_VRAM, 0, 0, &bo);
+        if (ret)
+                return ret;
+        ret = drm_gem_handle_create(file_priv, bo->gem, &args->handle);
+        drm_gem_object_unreference_unlocked(bo->gem);
+        return ret;
+}
+int
+nouveau_display_dumb_destroy(struct drm_file *file_priv, struct drm_device *dev,
+                             uint32_t handle)
+{
+        return drm_gem_handle_delete(file_priv, handle);
+}
+int
+nouveau_display_dumb_map_offset(struct drm_file *file_priv,
+                                struct drm_device *dev,
+                                uint32_t handle, uint64_t *poffset)
+{
+        struct drm_gem_object *gem;
+        gem = drm_gem_object_lookup(dev, file_priv, handle);
+        if (gem) {
+                struct nouveau_bo *bo = gem->driver_private;
+                *poffset = bo->bo.addr_space_offset;
+                drm_gem_object_unreference_unlocked(gem);
+                return 0;
+        }
+        return -ENOENT;
+}
diff --git a/drivers/gpu/drm/nouveau/nouveau_drv.c b/drivers/gpu/drm/nouveau/nouveau_drv.c
index d661bc5e3945..f0a60afac446 100644
--- a/drivers/gpu/drm/nouveau/nouveau_drv.c
+++ b/drivers/gpu/drm/nouveau/nouveau_drv.c
@@ -434,6 +434,10 @@ static struct drm_driver driver = {
        .gem_open_object = nouveau_gem_object_open,
        .gem_close_object = nouveau_gem_object_close,
+        .dumb_create = nouveau_display_dumb_create,
+        .dumb_map_offset = nouveau_display_dumb_map_offset,
+        .dumb_destroy = nouveau_display_dumb_destroy,
        .name = DRIVER_NAME,
        .desc = DRIVER_DESC,
 #ifdef GIT_REVISION
diff --git a/drivers/gpu/drm/nouveau/nouveau_drv.h b/drivers/gpu/drm/nouveau/nouveau_drv.h
index 0c53e39fc6c9..dfddb7e078a1 100644
--- a/drivers/gpu/drm/nouveau/nouveau_drv.h
+++ b/drivers/gpu/drm/nouveau/nouveau_drv.h
@@ -1421,6 +1421,12 @@ int nouveau_crtc_page_flip(struct drm_crtc *crtc, struct drm_framebuffer *fb,
                           struct drm_pending_vblank_event *event);
 int nouveau_finish_page_flip(struct nouveau_channel *,
                             struct nouveau_page_flip_state *);
+int nouveau_display_dumb_create(struct drm_file *, struct drm_device *,
+                                struct drm_mode_create_dumb *args);
+int nouveau_display_dumb_map_offset(struct drm_file *, struct drm_device *,
+                                    uint32_t handle, uint64_t *offset);
+int nouveau_display_dumb_destroy(struct drm_file *, struct drm_device *,
+                                 uint32_t handle);
 /* nv10_gpio.c */
 int nv10_gpio_get(struct drm_device *dev, enum dcb_gpio_tag tag);
diff --git a/drivers/gpu/drm/nouveau/nouveau_fbcon.c b/drivers/gpu/drm/nouveau/nouveau_fbcon.c
index defffd140781..dbb151834121 100644
--- a/drivers/gpu/drm/nouveau/nouveau_fbcon.c
+++ b/drivers/gpu/drm/nouveau/nouveau_fbcon.c
@@ -488,6 +488,7 @@ int nouveau_fbcon_init(struct drm_device *dev)
 {
        struct drm_nouveau_private *dev_priv = dev->dev_private;
        struct nouveau_fbdev *nfbdev;
+        int preferred_bpp;
        int ret;
        nfbdev = kzalloc(sizeof(struct nouveau_fbdev), GFP_KERNEL);
@@ -506,7 +507,15 @@ int nouveau_fbcon_init(struct drm_device *dev)
        }
        drm_fb_helper_single_add_all_connectors(&nfbdev->helper);
-        drm_fb_helper_initial_config(&nfbdev->helper, 32);
+        if (dev_priv->vram_size <= 32 * 1024 * 1024)
+                preferred_bpp = 8;
+        else if (dev_priv->vram_size <= 64 * 1024 * 1024)
+                preferred_bpp = 16;
+        else
+                preferred_bpp = 32;
+        drm_fb_helper_initial_config(&nfbdev->helper, preferred_bpp);
        return 0;
 }
diff --git a/drivers/gpu/drm/nouveau/nouveau_fence.c b/drivers/gpu/drm/nouveau/nouveau_fence.c
index 81116cfea275..2f6daae68b9d 100644
--- a/drivers/gpu/drm/nouveau/nouveau_fence.c
+++ b/drivers/gpu/drm/nouveau/nouveau_fence.c
@@ -539,8 +539,6 @@ nouveau_fence_channel_init(struct nouveau_channel *chan)
                        return ret;
        }
-        INIT_LIST_HEAD(&chan->fence.pending);
-        spin_lock_init(&chan->fence.lock);
        atomic_set(&chan->fence.last_sequence_irq, 0);
        return 0;
 }
diff --git a/drivers/gpu/drm/nouveau/nouveau_i2c.c b/drivers/gpu/drm/nouveau/nouveau_i2c.c
index c6143df48b9f..d39b2202b197 100644
--- a/drivers/gpu/drm/nouveau/nouveau_i2c.c
+++ b/drivers/gpu/drm/nouveau/nouveau_i2c.c
@@ -333,7 +333,7 @@ nouveau_i2c_identify(struct drm_device *dev, const char *what,
        NV_DEBUG(dev, "Probing %ss on I2C bus: %d\n", what, index);
-        for (i = 0; info[i].addr; i++) {
+        for (i = 0; i2c && info[i].addr; i++) {
                if (nouveau_probe_i2c_addr(i2c, info[i].addr) &&
                    (!match || match(i2c, &info[i]))) {
                        NV_INFO(dev, "Detected %s: %s\n", what, info[i].type);
diff --git a/drivers/gpu/drm/nouveau/nouveau_object.c b/drivers/gpu/drm/nouveau/nouveau_object.c
index 02222c540aee..960c0ae0c0c3 100644
--- a/drivers/gpu/drm/nouveau/nouveau_object.c
+++ b/drivers/gpu/drm/nouveau/nouveau_object.c
@@ -680,7 +680,7 @@ nouveau_gpuobj_channel_init_pramin(struct nouveau_channel *chan)
                return ret;
        }
-        ret = drm_mm_init(&chan->ramin_heap, base, size);
+        ret = drm_mm_init(&chan->ramin_heap, base, size - base);
        if (ret) {
                NV_ERROR(dev, "Error creating PRAMIN heap: %d\n", ret);
                nouveau_gpuobj_ref(NULL, &chan->ramin);
diff --git a/drivers/gpu/drm/nouveau/nouveau_perf.c b/drivers/gpu/drm/nouveau/nouveau_perf.c
index 9f178aa94162..33d03fbf00df 100644
--- a/drivers/gpu/drm/nouveau/nouveau_perf.c
+++ b/drivers/gpu/drm/nouveau/nouveau_perf.c
@@ -239,7 +239,7 @@ nouveau_perf_init(struct drm_device *dev)
        if(version == 0x15) {
                memtimings->timing =
                                kcalloc(entries, sizeof(*memtimings->timing), GFP_KERNEL);
-                if(!memtimings) {
+                if (!memtimings->timing) {
                        NV_WARN(dev,"Could not allocate memtiming table\n");
                        return;
                }
diff --git a/drivers/gpu/drm/nouveau/nouveau_state.c b/drivers/gpu/drm/nouveau/nouveau_state.c
index 82478e0998e5..d8831ab42bb9 100644
--- a/drivers/gpu/drm/nouveau/nouveau_state.c
+++ b/drivers/gpu/drm/nouveau/nouveau_state.c
@@ -579,6 +579,14 @@ nouveau_card_init(struct drm_device *dev)
        if (ret)
                goto out_display_early;
+        /* workaround an odd issue on nvc1 by disabling the device's
+         * nosnoop capability.  hopefully won't cause issues until a
+         * better fix is found - assuming there is one...
+         */
+        if (dev_priv->chipset == 0xc1) {
+                nv_mask(dev, 0x00088080, 0x00000800, 0x00000000);
+        }
        nouveau_pm_init(dev);
        ret = engine->vram.init(dev);
@@ -1102,12 +1110,13 @@ int nouveau_load(struct drm_device *dev, unsigned long flags)
        dev_priv->noaccel = !!nouveau_noaccel;
        if (nouveau_noaccel == -1) {
                switch (dev_priv->chipset) {
-                case 0xc1: /* known broken */
+#if 0
-                case 0xc8: /* never tested */
+                case 0xXX: /* known broken */
                        NV_INFO(dev, "acceleration disabled by default, pass "
                                     "noaccel=0 to force enable\n");
                        dev_priv->noaccel = true;
                        break;
+#endif
                default:
                        dev_priv->noaccel = false;
                        break;
diff --git a/drivers/gpu/drm/nouveau/nv40_pm.c b/drivers/gpu/drm/nouveau/nv40_pm.c
index bbc0b9c7e1f7..e676b0d53478 100644
--- a/drivers/gpu/drm/nouveau/nv40_pm.c
+++ b/drivers/gpu/drm/nouveau/nv40_pm.c
@@ -57,12 +57,14 @@ read_pll_2(struct drm_device *dev, u32 reg)
        int P = (ctrl & 0x00070000) >> 16;
        u32 ref = 27000, clk = 0;
-        if (ctrl & 0x80000000)
+        if ((ctrl & 0x80000000) && M1) {
                clk = ref * N1 / M1;
+                if ((ctrl & 0x40000100) == 0x40000000) {
-        if (!(ctrl & 0x00000100)) {
+                        if (M2)
-                if (ctrl & 0x40000000)
+                                clk = clk * N2 / M2;
-                        clk = clk * N2 / M2;
+                        else
+                                clk = 0;
+                }
        }
        return clk >> P;
@@ -177,6 +179,11 @@ nv40_pm_clocks_pre(struct drm_device *dev, struct nouveau_pm_level *perflvl)
        }
        /* memory clock */
+        if (!perflvl->memory) {
+                info->mpll_ctrl = 0x00000000;
+                goto out;
+        }
        ret = nv40_calc_pll(dev, 0x004020, &pll, perflvl->memory,
                            &N1, &M1, &N2, &M2, &log2P);
        if (ret < 0)
@@ -264,6 +271,9 @@ nv40_pm_clocks_set(struct drm_device *dev, void *pre_state)
        mdelay(5);
        nv_mask(dev, 0x00c040, 0x00000333, info->ctrl);
+        if (!info->mpll_ctrl)
+                goto resume;
        /* wait for vblank start on active crtcs, disable memory access */
        for (i = 0; i < 2; i++) {
                if (!(crtc_mask & (1 << i)))
diff --git a/drivers/gpu/drm/nouveau/nv50_display.c b/drivers/gpu/drm/nouveau/nv50_display.c
index d23ca00e7d62..06de250fe617 100644
--- a/drivers/gpu/drm/nouveau/nv50_display.c
+++ b/drivers/gpu/drm/nouveau/nv50_display.c
@@ -616,7 +616,7 @@ nv50_display_unk10_handler(struct drm_device *dev)
        struct drm_nouveau_private *dev_priv = dev->dev_private;
        struct nv50_display *disp = nv50_display(dev);
        u32 unk30 = nv_rd32(dev, 0x610030), mc;
-        int i, crtc, or, type = OUTPUT_ANY;
+        int i, crtc, or = 0, type = OUTPUT_ANY;
        NV_DEBUG_KMS(dev, "0x610030: 0x%08x\n", unk30);
        disp->irq.dcb = NULL;
@@ -708,7 +708,7 @@ nv50_display_unk20_handler(struct drm_device *dev)
        struct nv50_display *disp = nv50_display(dev);
        u32 unk30 = nv_rd32(dev, 0x610030), tmp, pclk, script, mc = 0;
        struct dcb_entry *dcb;
-        int i, crtc, or, type = OUTPUT_ANY;
+        int i, crtc, or = 0, type = OUTPUT_ANY;
        NV_DEBUG_KMS(dev, "0x610030: 0x%08x\n", unk30);
        dcb = disp->irq.dcb;
diff --git a/drivers/gpu/drm/nouveau/nv50_graph.c b/drivers/gpu/drm/nouveau/nv50_graph.c
index 8c979b31ff61..ac601f7c4e1a 100644
--- a/drivers/gpu/drm/nouveau/nv50_graph.c
+++ b/drivers/gpu/drm/nouveau/nv50_graph.c
@@ -131,8 +131,8 @@ nv50_graph_init(struct drm_device *dev, int engine)
        NV_DEBUG(dev, "\n");
        /* master reset */
-        nv_mask(dev, 0x000200, 0x00200100, 0x00000000);
+        nv_mask(dev, 0x000200, 0x00201000, 0x00000000);
-        nv_mask(dev, 0x000200, 0x00200100, 0x00200100);
+        nv_mask(dev, 0x000200, 0x00201000, 0x00201000);
        nv_wr32(dev, 0x40008c, 0x00000004); /* HW_CTX_SWITCH_ENABLED */
        /* reset/enable traps and interrupts */
diff --git a/drivers/gpu/drm/nouveau/nv50_grctx.c b/drivers/gpu/drm/nouveau/nv50_grctx.c
index d05c2c3b2444..4b46d6968566 100644
--- a/drivers/gpu/drm/nouveau/nv50_grctx.c
+++ b/drivers/gpu/drm/nouveau/nv50_grctx.c
@@ -601,7 +601,7 @@ nv50_graph_construct_mmio(struct nouveau_grctx *ctx)
                                        gr_def(ctx, offset + 0x1c, 0x00880000);
                                        break;
                                case 0x86:
-                                        gr_def(ctx, offset + 0x1c, 0x008c0000);
+                                        gr_def(ctx, offset + 0x1c, 0x018c0000);
                                        break;
                                case 0x92:
                                case 0x96:
diff --git a/drivers/gpu/drm/nouveau/nv50_vram.c b/drivers/gpu/drm/nouveau/nv50_vram.c
index 9da23838e63e..2e45e57fd869 100644
--- a/drivers/gpu/drm/nouveau/nv50_vram.c
+++ b/drivers/gpu/drm/nouveau/nv50_vram.c
@@ -160,7 +160,7 @@ nv50_vram_rblock(struct drm_device *dev)
        colbits  =  (r4 & 0x0000f000) >> 12;
        rowbitsa = ((r4 & 0x000f0000) >> 16) + 8;
        rowbitsb = ((r4 & 0x00f00000) >> 20) + 8;
-        banks    = ((r4 & 0x01000000) ? 8 : 4);
+        banks    = 1 << (((r4 & 0x03000000) >> 24) + 2);
        rowsize = parts * banks * (1 << colbits) * 8;
        predicted = rowsize << rowbitsa;
diff --git a/drivers/gpu/drm/nouveau/nvc0_graph.c b/drivers/gpu/drm/nouveau/nvc0_graph.c
index bbdbc51830c8..ecfafd70cf0e 100644
--- a/drivers/gpu/drm/nouveau/nvc0_graph.c
+++ b/drivers/gpu/drm/nouveau/nvc0_graph.c
@@ -157,8 +157,8 @@ nvc0_graph_create_context_mmio_list(struct nouveau_channel *chan)
        struct nvc0_graph_priv *priv = nv_engine(chan->dev, NVOBJ_ENGINE_GR);
        struct nvc0_graph_chan *grch = chan->engctx[NVOBJ_ENGINE_GR];
        struct drm_device *dev = chan->dev;
+        struct drm_nouveau_private *dev_priv = dev->dev_private;
        int i = 0, gpc, tp, ret;
-        u32 magic;
        ret = nouveau_gpuobj_new(dev, chan, 0x2000, 256, NVOBJ_FLAG_VM,
                                 &grch->unk408004);
@@ -207,14 +207,37 @@ nvc0_graph_create_context_mmio_list(struct nouveau_channel *chan)
        nv_wo32(grch->mmio, i++ * 4, 0x0041880c);
        nv_wo32(grch->mmio, i++ * 4, 0x80000018);
-        magic = 0x02180000;
+        if (dev_priv->chipset != 0xc1) {
-        nv_wo32(grch->mmio, i++ * 4, 0x00405830);
+                u32 magic = 0x02180000;
-        nv_wo32(grch->mmio, i++ * 4, magic);
+                nv_wo32(grch->mmio, i++ * 4, 0x00405830);
-        for (gpc = 0; gpc < priv->gpc_nr; gpc++) {
+                nv_wo32(grch->mmio, i++ * 4, magic);
-                for (tp = 0; tp < priv->tp_nr[gpc]; tp++, magic += 0x0324) {
+                for (gpc = 0; gpc < priv->gpc_nr; gpc++) {
-                        u32 reg = 0x504520 + (gpc * 0x8000) + (tp * 0x0800);
+                        for (tp = 0; tp < priv->tp_nr[gpc]; tp++) {
-                        nv_wo32(grch->mmio, i++ * 4, reg);
+                                u32 reg = TP_UNIT(gpc, tp, 0x520);
-                        nv_wo32(grch->mmio, i++ * 4, magic);
+                                nv_wo32(grch->mmio, i++ * 4, reg);
+                                nv_wo32(grch->mmio, i++ * 4, magic);
+                                magic += 0x0324;
+                        }
+                }
+        } else {
+                u32 magic = 0x02180000;
+                nv_wo32(grch->mmio, i++ * 4, 0x00405830);
+                nv_wo32(grch->mmio, i++ * 4, magic | 0x0000218);
+                nv_wo32(grch->mmio, i++ * 4, 0x004064c4);
+                nv_wo32(grch->mmio, i++ * 4, 0x0086ffff);
+                for (gpc = 0; gpc < priv->gpc_nr; gpc++) {
+                        for (tp = 0; tp < priv->tp_nr[gpc]; tp++) {
+                                u32 reg = TP_UNIT(gpc, tp, 0x520);
+                                nv_wo32(grch->mmio, i++ * 4, reg);
+                                nv_wo32(grch->mmio, i++ * 4, (1 << 28) | magic);
+                                magic += 0x0324;
+                        }
+                        for (tp = 0; tp < priv->tp_nr[gpc]; tp++) {
+                                u32 reg = TP_UNIT(gpc, tp, 0x544);
+                                nv_wo32(grch->mmio, i++ * 4, reg);
+                                nv_wo32(grch->mmio, i++ * 4, magic);
+                                magic += 0x0324;
+                        }
                }
        }
@@ -358,6 +381,8 @@ nvc0_graph_init_gpc_0(struct drm_device *dev)
        u8  tpnr[GPC_MAX];
        int i, gpc, tpc;
+        nv_wr32(dev, TP_UNIT(0, 0, 0x5c), 1); /* affects TFB offset queries */
        /*
         *      TP      ROP UNKVAL(magic_not_rop_nr)
         * 450: 4/0/0/0 2        3
diff --git a/drivers/gpu/drm/nouveau/nvc0_grctx.c b/drivers/gpu/drm/nouveau/nvc0_grctx.c
index dd0e6a736b3b..96b0b93d94ca 100644
--- a/drivers/gpu/drm/nouveau/nvc0_grctx.c
+++ b/drivers/gpu/drm/nouveau/nvc0_grctx.c
@@ -1812,6 +1812,7 @@ nvc0_grctx_generate(struct nouveau_channel *chan)
                /* calculate first set of magics */
                memcpy(tpnr, priv->tp_nr, sizeof(priv->tp_nr));
+                gpc = -1;
                for (tp = 0; tp < priv->tp_total; tp++) {
                        do {
                                gpc = (gpc + 1) % priv->gpc_nr;
@@ -1861,30 +1862,26 @@ nvc0_grctx_generate(struct nouveau_channel *chan)
        if (1) {
                u32 tp_mask = 0, tp_set = 0;
-                u8  tpnr[GPC_MAX];
+                u8  tpnr[GPC_MAX], a, b;
                memcpy(tpnr, priv->tp_nr, sizeof(priv->tp_nr));
                for (gpc = 0; gpc < priv->gpc_nr; gpc++)
                        tp_mask |= ((1 << priv->tp_nr[gpc]) - 1) << (gpc * 8);
-                gpc = -1;
+                for (i = 0, gpc = -1, b = -1; i < 32; i++) {
-                for (i = 0, gpc = -1; i < 32; i++) {
+                        a = (i * (priv->tp_total - 1)) / 32;
-                        int ltp = i * (priv->tp_total - 1) / 32;
+                        if (a != b) {
+                                b = a;
-                        do {
+                                do {
-                                gpc = (gpc + 1) % priv->gpc_nr;
+                                        gpc = (gpc + 1) % priv->gpc_nr;
-                        } while (!tpnr[gpc]);
+                                } while (!tpnr[gpc]);
-                        tp = priv->tp_nr[gpc] - tpnr[gpc]--;
+                                tp = priv->tp_nr[gpc] - tpnr[gpc]--;
-                        tp_set |= 1 << ((gpc * 8) + tp);
+                                tp_set |= 1 << ((gpc * 8) + tp);
+                        }
-                        do {
+                        nv_wr32(dev, 0x406800 + (i * 0x20), tp_set);
-                                nv_wr32(dev, 0x406800 + (i * 0x20), tp_set);
+                        nv_wr32(dev, 0x406c00 + (i * 0x20), tp_set ^ tp_mask);
-                                tp_set ^= tp_mask;
-                                nv_wr32(dev, 0x406c00 + (i * 0x20), tp_set);
-                                tp_set ^= tp_mask;
-                        } while (ltp == (++i * (priv->tp_total - 1) / 32));
-                        i--;
                }
        }
diff --git a/drivers/gpu/drm/nouveau/nvc0_vram.c b/drivers/gpu/drm/nouveau/nvc0_vram.c
index edbfe9360ae2..ce984d573a51 100644
--- a/drivers/gpu/drm/nouveau/nvc0_vram.c
+++ b/drivers/gpu/drm/nouveau/nvc0_vram.c
@@ -43,7 +43,7 @@ static const u8 types[256] = {
        0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
        0, 0, 0, 3, 3, 3, 3, 1, 1, 1, 1, 0, 0, 0, 0, 0,
        0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 3,
-        3, 3, 3, 3, 0, 0, 0, 0, 0, 0, 0, 0, 3, 3, 3, 3,
+        3, 3, 3, 1, 0, 0, 0, 0, 0, 0, 0, 0, 3, 3, 3, 3,
        3, 3, 0, 0, 0, 0, 0, 0, 3, 0, 0, 3, 0, 3, 0, 3,
        3, 0, 3, 3, 3, 3, 3, 0, 0, 3, 0, 3, 0, 3, 3, 0,
        3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 0, 1, 1, 0
@@ -110,22 +110,26 @@ nvc0_vram_init(struct drm_device *dev)
        u32 bsize = nv_rd32(dev, 0x10f20c);
        u32 offset, length;
        bool uniform = true;
-        int ret, i;
+        int ret, part;
        NV_DEBUG(dev, "0x100800: 0x%08x\n", nv_rd32(dev, 0x100800));
        NV_DEBUG(dev, "parts 0x%08x bcast_mem_amount 0x%08x\n", parts, bsize);
        /* read amount of vram attached to each memory controller */
-        for (i = 0; i < parts; i++) {
+        part = 0;
-                u32 psize = nv_rd32(dev, 0x11020c + (i * 0x1000));
+        while (parts) {
+                u32 psize = nv_rd32(dev, 0x11020c + (part++ * 0x1000));
+                if (psize == 0)
+                        continue;
+                parts--;
                if (psize != bsize) {
                        if (psize < bsize)
                                bsize = psize;
                        uniform = false;
                }
-                NV_DEBUG(dev, "%d: mem_amount 0x%08x\n", i, psize);
+                NV_DEBUG(dev, "%d: mem_amount 0x%08x\n", part, psize);
                dev_priv->vram_size += (u64)psize << 20;
        }
diff --git a/drivers/gpu/drm/nouveau/nvd0_display.c b/drivers/gpu/drm/nouveau/nvd0_display.c
index 23d63b4b3d77..cb006a718e70 100644
--- a/drivers/gpu/drm/nouveau/nvd0_display.c
+++ b/drivers/gpu/drm/nouveau/nvd0_display.c
@@ -780,7 +780,7 @@ nvd0_sor_dpms(struct drm_encoder *encoder, int mode)
                        continue;
                if (nv_partner != nv_encoder &&
-                    nv_partner->dcb->or == nv_encoder->or) {
+                    nv_partner->dcb->or == nv_encoder->dcb->or) {
                        if (nv_partner->last_dpms == DRM_MODE_DPMS_ON)
                                return;
                        break;
diff --git a/drivers/gpu/drm/radeon/atombios_crtc.c b/drivers/gpu/drm/radeon/atombios_crtc.c
index 7567ff2510e0..457bbad3cbf9 100644
--- a/drivers/gpu/drm/radeon/atombios_crtc.c
+++ b/drivers/gpu/drm/radeon/atombios_crtc.c
@@ -1107,9 +1107,40 @@ static int dce4_crtc_do_set_base(struct drm_crtc *crtc,
                return -EINVAL;
        }
-        if (tiling_flags & RADEON_TILING_MACRO)
+        if (tiling_flags & RADEON_TILING_MACRO) {
+                if (rdev->family >= CHIP_CAYMAN)
+                        tmp = rdev->config.cayman.tile_config;
+                else
+                        tmp = rdev->config.evergreen.tile_config;
+                switch ((tmp & 0xf0) >> 4) {
+                case 0: /* 4 banks */
+                        fb_format |= EVERGREEN_GRPH_NUM_BANKS(EVERGREEN_ADDR_SURF_4_BANK);
+                        break;
+                case 1: /* 8 banks */
+                default:
+                        fb_format |= EVERGREEN_GRPH_NUM_BANKS(EVERGREEN_ADDR_SURF_8_BANK);
+                        break;
+                case 2: /* 16 banks */
+                        fb_format |= EVERGREEN_GRPH_NUM_BANKS(EVERGREEN_ADDR_SURF_16_BANK);
+                        break;
+                }
+                switch ((tmp & 0xf000) >> 12) {
+                case 0: /* 1KB rows */
+                default:
+                        fb_format |= EVERGREEN_GRPH_TILE_SPLIT(EVERGREEN_ADDR_SURF_TILE_SPLIT_1KB);
+                        break;
+                case 1: /* 2KB rows */
+                        fb_format |= EVERGREEN_GRPH_TILE_SPLIT(EVERGREEN_ADDR_SURF_TILE_SPLIT_2KB);
+                        break;
+                case 2: /* 4KB rows */
+                        fb_format |= EVERGREEN_GRPH_TILE_SPLIT(EVERGREEN_ADDR_SURF_TILE_SPLIT_4KB);
+                        break;
+                }
                fb_format |= EVERGREEN_GRPH_ARRAY_MODE(EVERGREEN_GRPH_ARRAY_2D_TILED_THIN1);
-        else if (tiling_flags & RADEON_TILING_MICRO)
+        } else if (tiling_flags & RADEON_TILING_MICRO)
                fb_format |= EVERGREEN_GRPH_ARRAY_MODE(EVERGREEN_GRPH_ARRAY_1D_TILED_THIN1);
        switch (radeon_crtc->crtc_id) {
@@ -1522,12 +1553,6 @@ static bool atombios_crtc_mode_fixup(struct drm_crtc *crtc,
                                     struct drm_display_mode *mode,
                                     struct drm_display_mode *adjusted_mode)
 {
-        struct drm_device *dev = crtc->dev;
-        struct radeon_device *rdev = dev->dev_private;
-        /* adjust pm to upcoming mode change */
-        radeon_pm_compute_clocks(rdev);
        if (!radeon_crtc_scaling_mode_fixup(crtc, mode, adjusted_mode))
                return false;
        return true;
diff --git a/drivers/gpu/drm/radeon/atombios_dp.c b/drivers/gpu/drm/radeon/atombios_dp.c
index a0de48542f71..6fb335a4fdda 100644
--- a/drivers/gpu/drm/radeon/atombios_dp.c
+++ b/drivers/gpu/drm/radeon/atombios_dp.c
@@ -283,7 +283,7 @@ int radeon_dp_i2c_aux_ch(struct i2c_adapter *adapter, int mode,
                }
        }
-        DRM_ERROR("aux i2c too many retries, giving up\n");
+        DRM_DEBUG_KMS("aux i2c too many retries, giving up\n");
        return -EREMOTEIO;
 }
diff --git a/drivers/gpu/drm/radeon/evergreen.c b/drivers/gpu/drm/radeon/evergreen.c
index e4c384b9511c..5e00d1670aa9 100644
--- a/drivers/gpu/drm/radeon/evergreen.c
+++ b/drivers/gpu/drm/radeon/evergreen.c
@@ -82,6 +82,7 @@ u32 evergreen_page_flip(struct radeon_device *rdev, int crtc_id, u64 crtc_base)
 {
        struct radeon_crtc *radeon_crtc = rdev->mode_info.crtcs[crtc_id];
        u32 tmp = RREG32(EVERGREEN_GRPH_UPDATE + radeon_crtc->crtc_offset);
+        int i;
        /* Lock the graphics update lock */
        tmp |= EVERGREEN_GRPH_UPDATE_LOCK;
@@ -99,7 +100,11 @@ u32 evergreen_page_flip(struct radeon_device *rdev, int crtc_id, u64 crtc_base)
               (u32)crtc_base);
        /* Wait for update_pending to go high. */
-        while (!(RREG32(EVERGREEN_GRPH_UPDATE + radeon_crtc->crtc_offset) & EVERGREEN_GRPH_SURFACE_UPDATE_PENDING));
+        for (i = 0; i < rdev->usec_timeout; i++) {
+                if (RREG32(EVERGREEN_GRPH_UPDATE + radeon_crtc->crtc_offset) & EVERGREEN_GRPH_SURFACE_UPDATE_PENDING)
+                        break;
+                udelay(1);
+        }
        DRM_DEBUG("Update pending now high. Unlocking vupdate_lock.\n");
        /* Unlock the lock, so double-buffering can take place inside vblank */
@@ -157,6 +162,57 @@ int sumo_get_temp(struct radeon_device *rdev)
        return actual_temp * 1000;
 }
+void sumo_pm_init_profile(struct radeon_device *rdev)
+{
+        int idx;
+        /* default */
+        rdev->pm.profiles[PM_PROFILE_DEFAULT_IDX].dpms_off_ps_idx = rdev->pm.default_power_state_index;
+        rdev->pm.profiles[PM_PROFILE_DEFAULT_IDX].dpms_on_ps_idx = rdev->pm.default_power_state_index;
+        rdev->pm.profiles[PM_PROFILE_DEFAULT_IDX].dpms_off_cm_idx = 0;
+        rdev->pm.profiles[PM_PROFILE_DEFAULT_IDX].dpms_on_cm_idx = 0;
+        /* low,mid sh/mh */
+        if (rdev->flags & RADEON_IS_MOBILITY)
+                idx = radeon_pm_get_type_index(rdev, POWER_STATE_TYPE_BATTERY, 0);
+        else
+                idx = radeon_pm_get_type_index(rdev, POWER_STATE_TYPE_PERFORMANCE, 0);
+        rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_off_ps_idx = idx;
+        rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_on_ps_idx = idx;
+        rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_off_cm_idx = 0;
+        rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_on_cm_idx = 0;
+        rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_off_ps_idx = idx;
+        rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_on_ps_idx = idx;
+        rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_off_cm_idx = 0;
+        rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_on_cm_idx = 0;
+        rdev->pm.profiles[PM_PROFILE_MID_SH_IDX].dpms_off_ps_idx = idx;
+        rdev->pm.profiles[PM_PROFILE_MID_SH_IDX].dpms_on_ps_idx = idx;
+        rdev->pm.profiles[PM_PROFILE_MID_SH_IDX].dpms_off_cm_idx = 0;
+        rdev->pm.profiles[PM_PROFILE_MID_SH_IDX].dpms_on_cm_idx = 0;
+        rdev->pm.profiles[PM_PROFILE_MID_MH_IDX].dpms_off_ps_idx = idx;
+        rdev->pm.profiles[PM_PROFILE_MID_MH_IDX].dpms_on_ps_idx = idx;
+        rdev->pm.profiles[PM_PROFILE_MID_MH_IDX].dpms_off_cm_idx = 0;
+        rdev->pm.profiles[PM_PROFILE_MID_MH_IDX].dpms_on_cm_idx = 0;
+        /* high sh/mh */
+        idx = radeon_pm_get_type_index(rdev, POWER_STATE_TYPE_PERFORMANCE, 0);
+        rdev->pm.profiles[PM_PROFILE_HIGH_SH_IDX].dpms_off_ps_idx = idx;
+        rdev->pm.profiles[PM_PROFILE_HIGH_SH_IDX].dpms_on_ps_idx = idx;
+        rdev->pm.profiles[PM_PROFILE_HIGH_SH_IDX].dpms_off_cm_idx = 0;
+        rdev->pm.profiles[PM_PROFILE_HIGH_SH_IDX].dpms_on_cm_idx =
+                rdev->pm.power_state[idx].num_clock_modes - 1;
+        rdev->pm.profiles[PM_PROFILE_HIGH_MH_IDX].dpms_off_ps_idx = idx;
+        rdev->pm.profiles[PM_PROFILE_HIGH_MH_IDX].dpms_on_ps_idx = idx;
+        rdev->pm.profiles[PM_PROFILE_HIGH_MH_IDX].dpms_off_cm_idx = 0;
+        rdev->pm.profiles[PM_PROFILE_HIGH_MH_IDX].dpms_on_cm_idx =
+                rdev->pm.power_state[idx].num_clock_modes - 1;
+}
 void evergreen_pm_misc(struct radeon_device *rdev)
 {
        int req_ps_idx = rdev->pm.requested_power_state_index;
@@ -1219,7 +1275,7 @@ void evergreen_mc_program(struct radeon_device *rdev)
                WREG32(MC_VM_SYSTEM_APERTURE_HIGH_ADDR,
                        rdev->mc.vram_end >> 12);
        }
-        WREG32(MC_VM_SYSTEM_APERTURE_DEFAULT_ADDR, 0);
+        WREG32(MC_VM_SYSTEM_APERTURE_DEFAULT_ADDR, rdev->vram_scratch.gpu_addr >> 12);
        if (rdev->flags & RADEON_IS_IGP) {
                tmp = RREG32(MC_FUS_VM_FB_OFFSET) & 0x000FFFFF;
                tmp |= ((rdev->mc.vram_end >> 20) & 0xF) << 24;
diff --git a/drivers/gpu/drm/radeon/evergreen_cs.c b/drivers/gpu/drm/radeon/evergreen_cs.c
index 7fdfa8ea7570..cd4590aae154 100644
--- a/drivers/gpu/drm/radeon/evergreen_cs.c
+++ b/drivers/gpu/drm/radeon/evergreen_cs.c
@@ -38,6 +38,7 @@ struct evergreen_cs_track {
        u32                     group_size;
        u32                     nbanks;
        u32                     npipes;
+        u32                     row_size;
        /* value we track */
        u32                     nsamples;
        u32                     cb_color_base_last[12];
@@ -77,6 +78,44 @@ struct evergreen_cs_track {
        struct radeon_bo        *db_s_write_bo;
 };
+static u32 evergreen_cs_get_aray_mode(u32 tiling_flags)
+{
+        if (tiling_flags & RADEON_TILING_MACRO)
+                return ARRAY_2D_TILED_THIN1;
+        else if (tiling_flags & RADEON_TILING_MICRO)
+                return ARRAY_1D_TILED_THIN1;
+        else
+                return ARRAY_LINEAR_GENERAL;
+}
+static u32 evergreen_cs_get_num_banks(u32 nbanks)
+{
+        switch (nbanks) {
+        case 2:
+                return ADDR_SURF_2_BANK;
+        case 4:
+                return ADDR_SURF_4_BANK;
+        case 8:
+        default:
+                return ADDR_SURF_8_BANK;
+        case 16:
+                return ADDR_SURF_16_BANK;
+        }
+}
+static u32 evergreen_cs_get_tile_split(u32 row_size)
+{
+        switch (row_size) {
+        case 1:
+        default:
+                return ADDR_SURF_TILE_SPLIT_1KB;
+        case 2:
+                return ADDR_SURF_TILE_SPLIT_2KB;
+        case 4:
+                return ADDR_SURF_TILE_SPLIT_4KB;
+        }
+}
 static void evergreen_cs_track_init(struct evergreen_cs_track *track)
 {
        int i;
@@ -480,21 +519,22 @@ static int evergreen_cs_check_reg(struct radeon_cs_parser *p, u32 reg, u32 idx)
                }
                break;
        case DB_Z_INFO:
-                r = evergreen_cs_packet_next_reloc(p, &reloc);
-                if (r) {
-                        dev_warn(p->dev, "bad SET_CONTEXT_REG "
-                                        "0x%04X\n", reg);
-                        return -EINVAL;
-                }
                track->db_z_info = radeon_get_ib_value(p, idx);
-                ib[idx] &= ~Z_ARRAY_MODE(0xf);
+                if (!p->keep_tiling_flags) {
-                track->db_z_info &= ~Z_ARRAY_MODE(0xf);
+                        r = evergreen_cs_packet_next_reloc(p, &reloc);
-                if (reloc->lobj.tiling_flags & RADEON_TILING_MACRO) {
+                        if (r) {
-                        ib[idx] |= Z_ARRAY_MODE(ARRAY_2D_TILED_THIN1);
+                                dev_warn(p->dev, "bad SET_CONTEXT_REG "
-                        track->db_z_info |= Z_ARRAY_MODE(ARRAY_2D_TILED_THIN1);
+                                                "0x%04X\n", reg);
-                } else {
+                                return -EINVAL;
-                        ib[idx] |= Z_ARRAY_MODE(ARRAY_1D_TILED_THIN1);
+                        }
-                        track->db_z_info |= Z_ARRAY_MODE(ARRAY_1D_TILED_THIN1);
+                        ib[idx] &= ~Z_ARRAY_MODE(0xf);
+                        track->db_z_info &= ~Z_ARRAY_MODE(0xf);
+                        ib[idx] |= Z_ARRAY_MODE(evergreen_cs_get_aray_mode(reloc->lobj.tiling_flags));
+                        track->db_z_info |= Z_ARRAY_MODE(evergreen_cs_get_aray_mode(reloc->lobj.tiling_flags));
+                        if (reloc->lobj.tiling_flags & RADEON_TILING_MACRO) {
+                                ib[idx] |= DB_NUM_BANKS(evergreen_cs_get_num_banks(track->nbanks));
+                                ib[idx] |= DB_TILE_SPLIT(evergreen_cs_get_tile_split(track->row_size));
+                        }
                }
                break;
        case DB_STENCIL_INFO:
@@ -607,40 +647,34 @@ static int evergreen_cs_check_reg(struct radeon_cs_parser *p, u32 reg, u32 idx)
        case CB_COLOR5_INFO:
        case CB_COLOR6_INFO:
        case CB_COLOR7_INFO:
-                r = evergreen_cs_packet_next_reloc(p, &reloc);
-                if (r) {
-                        dev_warn(p->dev, "bad SET_CONTEXT_REG "
-                                        "0x%04X\n", reg);
-                        return -EINVAL;
-                }
                tmp = (reg - CB_COLOR0_INFO) / 0x3c;
                track->cb_color_info[tmp] = radeon_get_ib_value(p, idx);
-                if (reloc->lobj.tiling_flags & RADEON_TILING_MACRO) {
+                if (!p->keep_tiling_flags) {
-                        ib[idx] |= CB_ARRAY_MODE(ARRAY_2D_TILED_THIN1);
+                        r = evergreen_cs_packet_next_reloc(p, &reloc);
-                        track->cb_color_info[tmp] |= CB_ARRAY_MODE(ARRAY_2D_TILED_THIN1);
+                        if (r) {
-                } else if (reloc->lobj.tiling_flags & RADEON_TILING_MICRO) {
+                                dev_warn(p->dev, "bad SET_CONTEXT_REG "
-                        ib[idx] |= CB_ARRAY_MODE(ARRAY_1D_TILED_THIN1);
+                                                "0x%04X\n", reg);
-                        track->cb_color_info[tmp] |= CB_ARRAY_MODE(ARRAY_1D_TILED_THIN1);
+                                return -EINVAL;
+                        }
+                        ib[idx] |= CB_ARRAY_MODE(evergreen_cs_get_aray_mode(reloc->lobj.tiling_flags));
+                        track->cb_color_info[tmp] |= CB_ARRAY_MODE(evergreen_cs_get_aray_mode(reloc->lobj.tiling_flags));
                }
                break;
        case CB_COLOR8_INFO:
        case CB_COLOR9_INFO:
        case CB_COLOR10_INFO:
        case CB_COLOR11_INFO:
-                r = evergreen_cs_packet_next_reloc(p, &reloc);
-                if (r) {
-                        dev_warn(p->dev, "bad SET_CONTEXT_REG "
-                                        "0x%04X\n", reg);
-                        return -EINVAL;
-                }
                tmp = ((reg - CB_COLOR8_INFO) / 0x1c) + 8;
                track->cb_color_info[tmp] = radeon_get_ib_value(p, idx);
-                if (reloc->lobj.tiling_flags & RADEON_TILING_MACRO) {
+                if (!p->keep_tiling_flags) {
-                        ib[idx] |= CB_ARRAY_MODE(ARRAY_2D_TILED_THIN1);
+                        r = evergreen_cs_packet_next_reloc(p, &reloc);
-                        track->cb_color_info[tmp] |= CB_ARRAY_MODE(ARRAY_2D_TILED_THIN1);
+                        if (r) {
-                } else if (reloc->lobj.tiling_flags & RADEON_TILING_MICRO) {
+                                dev_warn(p->dev, "bad SET_CONTEXT_REG "
-                        ib[idx] |= CB_ARRAY_MODE(ARRAY_1D_TILED_THIN1);
+                                                "0x%04X\n", reg);
-                        track->cb_color_info[tmp] |= CB_ARRAY_MODE(ARRAY_1D_TILED_THIN1);
+                                return -EINVAL;
+                        }
+                        ib[idx] |= CB_ARRAY_MODE(evergreen_cs_get_aray_mode(reloc->lobj.tiling_flags));
+                        track->cb_color_info[tmp] |= CB_ARRAY_MODE(evergreen_cs_get_aray_mode(reloc->lobj.tiling_flags));
                }
                break;
        case CB_COLOR0_PITCH:
@@ -695,6 +729,16 @@ static int evergreen_cs_check_reg(struct radeon_cs_parser *p, u32 reg, u32 idx)
        case CB_COLOR9_ATTRIB:
        case CB_COLOR10_ATTRIB:
        case CB_COLOR11_ATTRIB:
+                r = evergreen_cs_packet_next_reloc(p, &reloc);
+                if (r) {
+                        dev_warn(p->dev, "bad SET_CONTEXT_REG "
+                                        "0x%04X\n", reg);
+                        return -EINVAL;
+                }
+                if (reloc->lobj.tiling_flags & RADEON_TILING_MACRO) {
+                        ib[idx] |= CB_NUM_BANKS(evergreen_cs_get_num_banks(track->nbanks));
+                        ib[idx] |= CB_TILE_SPLIT(evergreen_cs_get_tile_split(track->row_size));
+                }
                break;
        case CB_COLOR0_DIM:
        case CB_COLOR1_DIM:
@@ -1311,10 +1355,16 @@ static int evergreen_packet3_check(struct radeon_cs_parser *p,
                                        return -EINVAL;
                                }
                                ib[idx+1+(i*8)+2] += (u32)((reloc->lobj.gpu_offset >> 8) & 0xffffffff);
-                                if (reloc->lobj.tiling_flags & RADEON_TILING_MACRO)
+                                if (!p->keep_tiling_flags) {
-                                        ib[idx+1+(i*8)+1] |= TEX_ARRAY_MODE(ARRAY_2D_TILED_THIN1);
+                                        ib[idx+1+(i*8)+1] |=
-                                else if (reloc->lobj.tiling_flags & RADEON_TILING_MICRO)
+                                                TEX_ARRAY_MODE(evergreen_cs_get_aray_mode(reloc->lobj.tiling_flags));
-                                        ib[idx+1+(i*8)+1] |= TEX_ARRAY_MODE(ARRAY_1D_TILED_THIN1);
+                                        if (reloc->lobj.tiling_flags & RADEON_TILING_MACRO) {
+                                                ib[idx+1+(i*8)+6] |=
+                                                        TEX_TILE_SPLIT(evergreen_cs_get_tile_split(track->row_size));
+                                                ib[idx+1+(i*8)+7] |=
+                                                        TEX_NUM_BANKS(evergreen_cs_get_num_banks(track->nbanks));
+                                        }
+                                }
                                texture = reloc->robj;
                                /* tex mip base */
                                r = evergreen_cs_packet_next_reloc(p, &reloc);
@@ -1414,6 +1464,7 @@ int evergreen_cs_parse(struct radeon_cs_parser *p)
 {
        struct radeon_cs_packet pkt;
        struct evergreen_cs_track *track;
+        u32 tmp;
        int r;
        if (p->track == NULL) {
@@ -1422,9 +1473,63 @@ int evergreen_cs_parse(struct radeon_cs_parser *p)
                if (track == NULL)
                        return -ENOMEM;
                evergreen_cs_track_init(track);
-                track->npipes = p->rdev->config.evergreen.tiling_npipes;
+                if (p->rdev->family >= CHIP_CAYMAN)
-                track->nbanks = p->rdev->config.evergreen.tiling_nbanks;
+                        tmp = p->rdev->config.cayman.tile_config;
-                track->group_size = p->rdev->config.evergreen.tiling_group_size;
+                else
+                        tmp = p->rdev->config.evergreen.tile_config;
+                switch (tmp & 0xf) {
+                case 0:
+                        track->npipes = 1;
+                        break;
+                case 1:
+                default:
+                        track->npipes = 2;
+                        break;
+                case 2:
+                        track->npipes = 4;
+                        break;
+                case 3:
+                        track->npipes = 8;
+                        break;
+                }
+                switch ((tmp & 0xf0) >> 4) {
+                case 0:
+                        track->nbanks = 4;
+                        break;
+                case 1:
+                default:
+                        track->nbanks = 8;
+                        break;
+                case 2:
+                        track->nbanks = 16;
+                        break;
+                }
+                switch ((tmp & 0xf00) >> 8) {
+                case 0:
+                        track->group_size = 256;
+                        break;
+                case 1:
+                default:
+                        track->group_size = 512;
+                        break;
+                }
+                switch ((tmp & 0xf000) >> 12) {
+                case 0:
+                        track->row_size = 1;
+                        break;
+                case 1:
+                default:
+                        track->row_size = 2;
+                        break;
+                case 2:
+                        track->row_size = 4;
+                        break;
+                }
                p->track = track;
        }
        do {
diff --git a/drivers/gpu/drm/radeon/evergreen_reg.h b/drivers/gpu/drm/radeon/evergreen_reg.h
index c781c92c3451..7d7f2155e34c 100644
--- a/drivers/gpu/drm/radeon/evergreen_reg.h
+++ b/drivers/gpu/drm/radeon/evergreen_reg.h
@@ -42,6 +42,17 @@
 #       define EVERGREEN_GRPH_DEPTH_8BPP                0
 #       define EVERGREEN_GRPH_DEPTH_16BPP               1
 #       define EVERGREEN_GRPH_DEPTH_32BPP               2
+#       define EVERGREEN_GRPH_NUM_BANKS(x)              (((x) & 0x3) << 2)
+#       define EVERGREEN_ADDR_SURF_2_BANK               0
+#       define EVERGREEN_ADDR_SURF_4_BANK               1
+#       define EVERGREEN_ADDR_SURF_8_BANK               2
+#       define EVERGREEN_ADDR_SURF_16_BANK              3
+#       define EVERGREEN_GRPH_Z(x)                      (((x) & 0x3) << 4)
+#       define EVERGREEN_GRPH_BANK_WIDTH(x)             (((x) & 0x3) << 6)
+#       define EVERGREEN_ADDR_SURF_BANK_WIDTH_1         0
+#       define EVERGREEN_ADDR_SURF_BANK_WIDTH_2         1
+#       define EVERGREEN_ADDR_SURF_BANK_WIDTH_4         2
+#       define EVERGREEN_ADDR_SURF_BANK_WIDTH_8         3
 #       define EVERGREEN_GRPH_FORMAT(x)                 (((x) & 0x7) << 8)
 /* 8 BPP */
 #       define EVERGREEN_GRPH_FORMAT_INDEXED            0
@@ -61,6 +72,24 @@
 #       define EVERGREEN_GRPH_FORMAT_8B_BGRA1010102     5
 #       define EVERGREEN_GRPH_FORMAT_RGB111110          6
 #       define EVERGREEN_GRPH_FORMAT_BGR101111          7
+#       define EVERGREEN_GRPH_BANK_HEIGHT(x)            (((x) & 0x3) << 11)
+#       define EVERGREEN_ADDR_SURF_BANK_HEIGHT_1        0
+#       define EVERGREEN_ADDR_SURF_BANK_HEIGHT_2        1
+#       define EVERGREEN_ADDR_SURF_BANK_HEIGHT_4        2
+#       define EVERGREEN_ADDR_SURF_BANK_HEIGHT_8        3
+#       define EVERGREEN_GRPH_TILE_SPLIT(x)             (((x) & 0x7) << 13)
+#       define EVERGREEN_ADDR_SURF_TILE_SPLIT_64B       0
+#       define EVERGREEN_ADDR_SURF_TILE_SPLIT_128B      1
+#       define EVERGREEN_ADDR_SURF_TILE_SPLIT_256B      2
+#       define EVERGREEN_ADDR_SURF_TILE_SPLIT_512B      3
+#       define EVERGREEN_ADDR_SURF_TILE_SPLIT_1KB       4
+#       define EVERGREEN_ADDR_SURF_TILE_SPLIT_2KB       5
+#       define EVERGREEN_ADDR_SURF_TILE_SPLIT_4KB       6
+#       define EVERGREEN_GRPH_MACRO_TILE_ASPECT(x)      (((x) & 0x3) << 18)
+#       define EVERGREEN_ADDR_SURF_MACRO_TILE_ASPECT_1  0
+#       define EVERGREEN_ADDR_SURF_MACRO_TILE_ASPECT_2  1
+#       define EVERGREEN_ADDR_SURF_MACRO_TILE_ASPECT_4  2
+#       define EVERGREEN_ADDR_SURF_MACRO_TILE_ASPECT_8  3
 #       define EVERGREEN_GRPH_ARRAY_MODE(x)             (((x) & 0x7) << 20)
 #       define EVERGREEN_GRPH_ARRAY_LINEAR_GENERAL      0
 #       define EVERGREEN_GRPH_ARRAY_LINEAR_ALIGNED      1
diff --git a/drivers/gpu/drm/radeon/evergreend.h b/drivers/gpu/drm/radeon/evergreend.h
index b937c49054d9..e00039e59a75 100644
--- a/drivers/gpu/drm/radeon/evergreend.h
+++ b/drivers/gpu/drm/radeon/evergreend.h
@@ -899,6 +899,10 @@
 #define DB_HTILE_DATA_BASE                              0x28014
 #define DB_Z_INFO                                       0x28040
 #       define Z_ARRAY_MODE(x)                          ((x) << 4)
+#       define DB_TILE_SPLIT(x)                         (((x) & 0x7) << 8)
+#       define DB_NUM_BANKS(x)                          (((x) & 0x3) << 12)
+#       define DB_BANK_WIDTH(x)                         (((x) & 0x3) << 16)
+#       define DB_BANK_HEIGHT(x)                        (((x) & 0x3) << 20)
 #define DB_STENCIL_INFO                                 0x28044
 #define DB_Z_READ_BASE                                  0x28048
 #define DB_STENCIL_READ_BASE                            0x2804c
@@ -951,6 +955,29 @@
 #       define CB_SF_EXPORT_FULL                        0
 #       define CB_SF_EXPORT_NORM                        1
 #define CB_COLOR0_ATTRIB                                0x28c74
+#       define CB_TILE_SPLIT(x)                         (((x) & 0x7) << 5)
+#       define ADDR_SURF_TILE_SPLIT_64B                 0
+#       define ADDR_SURF_TILE_SPLIT_128B                1
+#       define ADDR_SURF_TILE_SPLIT_256B                2
+#       define ADDR_SURF_TILE_SPLIT_512B                3
+#       define ADDR_SURF_TILE_SPLIT_1KB                 4
+#       define ADDR_SURF_TILE_SPLIT_2KB                 5
+#       define ADDR_SURF_TILE_SPLIT_4KB                 6
+#       define CB_NUM_BANKS(x)                          (((x) & 0x3) << 10)
+#       define ADDR_SURF_2_BANK                         0
+#       define ADDR_SURF_4_BANK                         1
+#       define ADDR_SURF_8_BANK                         2
+#       define ADDR_SURF_16_BANK                        3
+#       define CB_BANK_WIDTH(x)                         (((x) & 0x3) << 13)
+#       define ADDR_SURF_BANK_WIDTH_1                   0
+#       define ADDR_SURF_BANK_WIDTH_2                   1
+#       define ADDR_SURF_BANK_WIDTH_4                   2
+#       define ADDR_SURF_BANK_WIDTH_8                   3
+#       define CB_BANK_HEIGHT(x)                        (((x) & 0x3) << 16)
+#       define ADDR_SURF_BANK_HEIGHT_1                  0
+#       define ADDR_SURF_BANK_HEIGHT_2                  1
+#       define ADDR_SURF_BANK_HEIGHT_4                  2
+#       define ADDR_SURF_BANK_HEIGHT_8                  3
 #define CB_COLOR0_DIM                                   0x28c78
 /* only CB0-7 blocks have these regs */
 #define CB_COLOR0_CMASK                                 0x28c7c
@@ -1137,7 +1164,11 @@
 #       define SQ_SEL_1                                 5
 #define SQ_TEX_RESOURCE_WORD5_0                         0x30014
 #define SQ_TEX_RESOURCE_WORD6_0                         0x30018
+#       define TEX_TILE_SPLIT(x)                        (((x) & 0x7) << 29)
 #define SQ_TEX_RESOURCE_WORD7_0                         0x3001c
+#       define TEX_BANK_WIDTH(x)                        (((x) & 0x3) << 8)
+#       define TEX_BANK_HEIGHT(x)                       (((x) & 0x3) << 10)
+#       define TEX_NUM_BANKS(x)                         (((x) & 0x3) << 16)
 #define SQ_VTX_CONSTANT_WORD0_0                         0x30000
 #define SQ_VTX_CONSTANT_WORD1_0                         0x30004
diff --git a/drivers/gpu/drm/radeon/r100.c b/drivers/gpu/drm/radeon/r100.c
index ad158ea49901..bfc08f6320f8 100644
--- a/drivers/gpu/drm/radeon/r100.c
+++ b/drivers/gpu/drm/radeon/r100.c
@@ -187,13 +187,18 @@ u32 r100_page_flip(struct radeon_device *rdev, int crtc_id, u64 crtc_base)
 {
        struct radeon_crtc *radeon_crtc = rdev->mode_info.crtcs[crtc_id];
        u32 tmp = ((u32)crtc_base) | RADEON_CRTC_OFFSET__OFFSET_LOCK;
+        int i;
        /* Lock the graphics update lock */
        /* update the scanout addresses */
        WREG32(RADEON_CRTC_OFFSET + radeon_crtc->crtc_offset, tmp);
        /* Wait for update_pending to go high. */
-        while (!(RREG32(RADEON_CRTC_OFFSET + radeon_crtc->crtc_offset) & RADEON_CRTC_OFFSET__GUI_TRIG_OFFSET));
+        for (i = 0; i < rdev->usec_timeout; i++) {
+                if (RREG32(RADEON_CRTC_OFFSET + radeon_crtc->crtc_offset) & RADEON_CRTC_OFFSET__GUI_TRIG_OFFSET)
+                        break;
+                udelay(1);
+        }
        DRM_DEBUG("Update pending now high. Unlocking vupdate_lock.\n");
        /* Unlock the lock, so double-buffering can take place inside vblank */
diff --git a/drivers/gpu/drm/radeon/r300.c b/drivers/gpu/drm/radeon/r300.c
index 400b26df652a..c93bc64707e1 100644
--- a/drivers/gpu/drm/radeon/r300.c
+++ b/drivers/gpu/drm/radeon/r300.c
@@ -701,16 +701,21 @@ static int r300_packet0_check(struct radeon_cs_parser *p,
                        return r;
                }
-                if (reloc->lobj.tiling_flags & RADEON_TILING_MACRO)
+                if (p->keep_tiling_flags) {
-                        tile_flags |= R300_TXO_MACRO_TILE;
+                        ib[idx] = (idx_value & 31) | /* keep the 1st 5 bits */
-                if (reloc->lobj.tiling_flags & RADEON_TILING_MICRO)
+                                  ((idx_value & ~31) + (u32)reloc->lobj.gpu_offset);
-                        tile_flags |= R300_TXO_MICRO_TILE;
+                } else {
-                else if (reloc->lobj.tiling_flags & RADEON_TILING_MICRO_SQUARE)
+                        if (reloc->lobj.tiling_flags & RADEON_TILING_MACRO)
-                        tile_flags |= R300_TXO_MICRO_TILE_SQUARE;
+                                tile_flags |= R300_TXO_MACRO_TILE;
+                        if (reloc->lobj.tiling_flags & RADEON_TILING_MICRO)
-                tmp = idx_value + ((u32)reloc->lobj.gpu_offset);
+                                tile_flags |= R300_TXO_MICRO_TILE;
-                tmp |= tile_flags;
+                        else if (reloc->lobj.tiling_flags & RADEON_TILING_MICRO_SQUARE)
-                ib[idx] = tmp;
+                                tile_flags |= R300_TXO_MICRO_TILE_SQUARE;
+                        tmp = idx_value + ((u32)reloc->lobj.gpu_offset);
+                        tmp |= tile_flags;
+                        ib[idx] = tmp;
+                }
                track->textures[i].robj = reloc->robj;
                track->tex_dirty = true;
                break;
@@ -760,24 +765,26 @@ static int r300_packet0_check(struct radeon_cs_parser *p,
                /* RB3D_COLORPITCH1 */
                /* RB3D_COLORPITCH2 */
                /* RB3D_COLORPITCH3 */
-                r = r100_cs_packet_next_reloc(p, &reloc);
+                if (!p->keep_tiling_flags) {
-                if (r) {
+                        r = r100_cs_packet_next_reloc(p, &reloc);
-                        DRM_ERROR("No reloc for ib[%d]=0x%04X\n",
+                        if (r) {
-                                  idx, reg);
+                                DRM_ERROR("No reloc for ib[%d]=0x%04X\n",
-                        r100_cs_dump_packet(p, pkt);
+                                          idx, reg);
-                        return r;
+                                r100_cs_dump_packet(p, pkt);
-                }
+                                return r;
+                        }
-                if (reloc->lobj.tiling_flags & RADEON_TILING_MACRO)
+                        if (reloc->lobj.tiling_flags & RADEON_TILING_MACRO)
-                        tile_flags |= R300_COLOR_TILE_ENABLE;
+                                tile_flags |= R300_COLOR_TILE_ENABLE;
-                if (reloc->lobj.tiling_flags & RADEON_TILING_MICRO)
+                        if (reloc->lobj.tiling_flags & RADEON_TILING_MICRO)
-                        tile_flags |= R300_COLOR_MICROTILE_ENABLE;
+                                tile_flags |= R300_COLOR_MICROTILE_ENABLE;
-                else if (reloc->lobj.tiling_flags & RADEON_TILING_MICRO_SQUARE)
+                        else if (reloc->lobj.tiling_flags & RADEON_TILING_MICRO_SQUARE)
-                        tile_flags |= R300_COLOR_MICROTILE_SQUARE_ENABLE;
+                                tile_flags |= R300_COLOR_MICROTILE_SQUARE_ENABLE;
-                tmp = idx_value & ~(0x7 << 16);
+                        tmp = idx_value & ~(0x7 << 16);
-                tmp |= tile_flags;
+                        tmp |= tile_flags;
-                ib[idx] = tmp;
+                        ib[idx] = tmp;
+                }
                i = (reg - 0x4E38) >> 2;
                track->cb[i].pitch = idx_value & 0x3FFE;
                switch (((idx_value >> 21) & 0xF)) {
@@ -843,25 +850,26 @@ static int r300_packet0_check(struct radeon_cs_parser *p,
                break;
        case 0x4F24:
                /* ZB_DEPTHPITCH */
-                r = r100_cs_packet_next_reloc(p, &reloc);
+                if (!p->keep_tiling_flags) {
-                if (r) {
+                        r = r100_cs_packet_next_reloc(p, &reloc);
-                        DRM_ERROR("No reloc for ib[%d]=0x%04X\n",
+                        if (r) {
-                                  idx, reg);
+                                DRM_ERROR("No reloc for ib[%d]=0x%04X\n",
-                        r100_cs_dump_packet(p, pkt);
+                                          idx, reg);
-                        return r;
+                                r100_cs_dump_packet(p, pkt);
-                }
+                                return r;
+                        }
-                if (reloc->lobj.tiling_flags & RADEON_TILING_MACRO)
-                        tile_flags |= R300_DEPTHMACROTILE_ENABLE;
-                if (reloc->lobj.tiling_flags & RADEON_TILING_MICRO)
-                        tile_flags |= R300_DEPTHMICROTILE_TILED;
-                else if (reloc->lobj.tiling_flags & RADEON_TILING_MICRO_SQUARE)
-                        tile_flags |= R300_DEPTHMICROTILE_TILED_SQUARE;
-                tmp = idx_value & ~(0x7 << 16);
+                        if (reloc->lobj.tiling_flags & RADEON_TILING_MACRO)
-                tmp |= tile_flags;
+                                tile_flags |= R300_DEPTHMACROTILE_ENABLE;
-                ib[idx] = tmp;
+                        if (reloc->lobj.tiling_flags & RADEON_TILING_MICRO)
+                                tile_flags |= R300_DEPTHMICROTILE_TILED;
+                        else if (reloc->lobj.tiling_flags & RADEON_TILING_MICRO_SQUARE)
+                                tile_flags |= R300_DEPTHMICROTILE_TILED_SQUARE;
+                        tmp = idx_value & ~(0x7 << 16);
+                        tmp |= tile_flags;
+                        ib[idx] = tmp;
+                }
                track->zb.pitch = idx_value & 0x3FFC;
                track->zb_dirty = true;
                break;
diff --git a/drivers/gpu/drm/radeon/r600.c b/drivers/gpu/drm/radeon/r600.c
index 19afc43ad173..9cdda0b3b081 100644
--- a/drivers/gpu/drm/radeon/r600.c
+++ b/drivers/gpu/drm/radeon/r600.c
@@ -288,24 +288,6 @@ void r600_pm_get_dynpm_state(struct radeon_device *rdev)
                  pcie_lanes);
 }
-static int r600_pm_get_type_index(struct radeon_device *rdev,
-                                  enum radeon_pm_state_type ps_type,
-                                  int instance)
-{
-        int i;
-        int found_instance = -1;
-        for (i = 0; i < rdev->pm.num_power_states; i++) {
-                if (rdev->pm.power_state[i].type == ps_type) {
-                        found_instance++;
-                        if (found_instance == instance)
-                                return i;
-                }
-        }
-        /* return default if no match */
-        return rdev->pm.default_power_state_index;
-}
 void rs780_pm_init_profile(struct radeon_device *rdev)
 {
        if (rdev->pm.num_power_states == 2) {
@@ -421,6 +403,8 @@ void rs780_pm_init_profile(struct radeon_device *rdev)
 void r600_pm_init_profile(struct radeon_device *rdev)
 {
+        int idx;
        if (rdev->family == CHIP_R600) {
                /* XXX */
                /* default */
@@ -502,81 +486,43 @@ void r600_pm_init_profile(struct radeon_device *rdev)
                        rdev->pm.profiles[PM_PROFILE_DEFAULT_IDX].dpms_off_cm_idx = 0;
                        rdev->pm.profiles[PM_PROFILE_DEFAULT_IDX].dpms_on_cm_idx = 2;
                        /* low sh */
-                        if (rdev->flags & RADEON_IS_MOBILITY) {
+                        if (rdev->flags & RADEON_IS_MOBILITY)
-                                rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_off_ps_idx =
+                                idx = radeon_pm_get_type_index(rdev, POWER_STATE_TYPE_BATTERY, 0);
-                                        r600_pm_get_type_index(rdev, POWER_STATE_TYPE_BATTERY, 0);
+                        else
-                                rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_on_ps_idx =
+                                idx = radeon_pm_get_type_index(rdev, POWER_STATE_TYPE_PERFORMANCE, 0);
-                                        r600_pm_get_type_index(rdev, POWER_STATE_TYPE_BATTERY, 0);
+                        rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_off_ps_idx = idx;
-                                rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_off_cm_idx = 0;
+                        rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_on_ps_idx = idx;
-                                rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_on_cm_idx = 0;
+                        rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_off_cm_idx = 0;
-                        } else {
+                        rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_on_cm_idx = 0;
-                                rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_off_ps_idx =
-                                        r600_pm_get_type_index(rdev, POWER_STATE_TYPE_PERFORMANCE, 0);
-                                rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_on_ps_idx =
-                                        r600_pm_get_type_index(rdev, POWER_STATE_TYPE_PERFORMANCE, 0);
-                                rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_off_cm_idx = 0;
-                                rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_on_cm_idx = 0;
-                        }
                        /* mid sh */
-                        if (rdev->flags & RADEON_IS_MOBILITY) {
+                        rdev->pm.profiles[PM_PROFILE_MID_SH_IDX].dpms_off_ps_idx = idx;
-                                rdev->pm.profiles[PM_PROFILE_MID_SH_IDX].dpms_off_ps_idx =
+                        rdev->pm.profiles[PM_PROFILE_MID_SH_IDX].dpms_on_ps_idx = idx;
-                                        r600_pm_get_type_index(rdev, POWER_STATE_TYPE_BATTERY, 0);
+                        rdev->pm.profiles[PM_PROFILE_MID_SH_IDX].dpms_off_cm_idx = 0;
-                                rdev->pm.profiles[PM_PROFILE_MID_SH_IDX].dpms_on_ps_idx =
+                        rdev->pm.profiles[PM_PROFILE_MID_SH_IDX].dpms_on_cm_idx = 1;
-                                        r600_pm_get_type_index(rdev, POWER_STATE_TYPE_BATTERY, 0);
-                                rdev->pm.profiles[PM_PROFILE_MID_SH_IDX].dpms_off_cm_idx = 0;
-                                rdev->pm.profiles[PM_PROFILE_MID_SH_IDX].dpms_on_cm_idx = 1;
-                        } else {
-                                rdev->pm.profiles[PM_PROFILE_MID_SH_IDX].dpms_off_ps_idx =
-                                        r600_pm_get_type_index(rdev, POWER_STATE_TYPE_PERFORMANCE, 0);
-                                rdev->pm.profiles[PM_PROFILE_MID_SH_IDX].dpms_on_ps_idx =
-                                        r600_pm_get_type_index(rdev, POWER_STATE_TYPE_PERFORMANCE, 0);
-                                rdev->pm.profiles[PM_PROFILE_MID_SH_IDX].dpms_off_cm_idx = 0;
-                                rdev->pm.profiles[PM_PROFILE_MID_SH_IDX].dpms_on_cm_idx = 1;
-                        }
                        /* high sh */
-                        rdev->pm.profiles[PM_PROFILE_HIGH_SH_IDX].dpms_off_ps_idx =
+                        idx = radeon_pm_get_type_index(rdev, POWER_STATE_TYPE_PERFORMANCE, 0);
-                                r600_pm_get_type_index(rdev, POWER_STATE_TYPE_PERFORMANCE, 0);
+                        rdev->pm.profiles[PM_PROFILE_HIGH_SH_IDX].dpms_off_ps_idx = idx;
-                        rdev->pm.profiles[PM_PROFILE_HIGH_SH_IDX].dpms_on_ps_idx =
+                        rdev->pm.profiles[PM_PROFILE_HIGH_SH_IDX].dpms_on_ps_idx = idx;
-                                r600_pm_get_type_index(rdev, POWER_STATE_TYPE_PERFORMANCE, 0);
                        rdev->pm.profiles[PM_PROFILE_HIGH_SH_IDX].dpms_off_cm_idx = 0;
                        rdev->pm.profiles[PM_PROFILE_HIGH_SH_IDX].dpms_on_cm_idx = 2;
                        /* low mh */
-                        if (rdev->flags & RADEON_IS_MOBILITY) {
+                        if (rdev->flags & RADEON_IS_MOBILITY)
-                                rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_off_ps_idx =
+                                idx = radeon_pm_get_type_index(rdev, POWER_STATE_TYPE_BATTERY, 1);
-                                        r600_pm_get_type_index(rdev, POWER_STATE_TYPE_BATTERY, 1);
+                        else
-                                rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_on_ps_idx =
+                                idx = radeon_pm_get_type_index(rdev, POWER_STATE_TYPE_PERFORMANCE, 1);
-                                        r600_pm_get_type_index(rdev, POWER_STATE_TYPE_BATTERY, 1);
+                        rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_off_ps_idx = idx;
-                                rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_off_cm_idx = 0;
+                        rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_on_ps_idx = idx;
-                                rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_on_cm_idx = 0;
+                        rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_off_cm_idx = 0;
-                        } else {
+                        rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_on_cm_idx = 0;
-                                rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_off_ps_idx =
-                                        r600_pm_get_type_index(rdev, POWER_STATE_TYPE_PERFORMANCE, 1);
-                                rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_on_ps_idx =
-                                        r600_pm_get_type_index(rdev, POWER_STATE_TYPE_PERFORMANCE, 1);
-                                rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_off_cm_idx = 0;
-                                rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_on_cm_idx = 0;
-                        }
                        /* mid mh */
-                        if (rdev->flags & RADEON_IS_MOBILITY) {
+                        rdev->pm.profiles[PM_PROFILE_MID_MH_IDX].dpms_off_ps_idx = idx;
-                                rdev->pm.profiles[PM_PROFILE_MID_MH_IDX].dpms_off_ps_idx =
+                        rdev->pm.profiles[PM_PROFILE_MID_MH_IDX].dpms_on_ps_idx = idx;
-                                        r600_pm_get_type_index(rdev, POWER_STATE_TYPE_BATTERY, 1);
+                        rdev->pm.profiles[PM_PROFILE_MID_MH_IDX].dpms_off_cm_idx = 0;
-                                rdev->pm.profiles[PM_PROFILE_MID_MH_IDX].dpms_on_ps_idx =
+                        rdev->pm.profiles[PM_PROFILE_MID_MH_IDX].dpms_on_cm_idx = 1;
-                                        r600_pm_get_type_index(rdev, POWER_STATE_TYPE_BATTERY, 1);
-                                rdev->pm.profiles[PM_PROFILE_MID_MH_IDX].dpms_off_cm_idx = 0;
-                                rdev->pm.profiles[PM_PROFILE_MID_MH_IDX].dpms_on_cm_idx = 1;
-                        } else {
-                                rdev->pm.profiles[PM_PROFILE_MID_MH_IDX].dpms_off_ps_idx =
-                                        r600_pm_get_type_index(rdev, POWER_STATE_TYPE_PERFORMANCE, 1);
-                                rdev->pm.profiles[PM_PROFILE_MID_MH_IDX].dpms_on_ps_idx =
-                                        r600_pm_get_type_index(rdev, POWER_STATE_TYPE_PERFORMANCE, 1);
-                                rdev->pm.profiles[PM_PROFILE_MID_MH_IDX].dpms_off_cm_idx = 0;
-                                rdev->pm.profiles[PM_PROFILE_MID_MH_IDX].dpms_on_cm_idx = 1;
-                        }
                        /* high mh */
-                        rdev->pm.profiles[PM_PROFILE_HIGH_MH_IDX].dpms_off_ps_idx =
+                        idx = radeon_pm_get_type_index(rdev, POWER_STATE_TYPE_PERFORMANCE, 1);
-                                r600_pm_get_type_index(rdev, POWER_STATE_TYPE_PERFORMANCE, 1);
+                        rdev->pm.profiles[PM_PROFILE_HIGH_MH_IDX].dpms_off_ps_idx = idx;
-                        rdev->pm.profiles[PM_PROFILE_HIGH_MH_IDX].dpms_on_ps_idx =
+                        rdev->pm.profiles[PM_PROFILE_HIGH_MH_IDX].dpms_on_ps_idx = idx;
-                                r600_pm_get_type_index(rdev, POWER_STATE_TYPE_PERFORMANCE, 1);
                        rdev->pm.profiles[PM_PROFILE_HIGH_MH_IDX].dpms_off_cm_idx = 0;
                        rdev->pm.profiles[PM_PROFILE_HIGH_MH_IDX].dpms_on_cm_idx = 2;
                }
diff --git a/drivers/gpu/drm/radeon/r600_cs.c b/drivers/gpu/drm/radeon/r600_cs.c
index 0a2e023c1557..cb1acffd2430 100644
--- a/drivers/gpu/drm/radeon/r600_cs.c
+++ b/drivers/gpu/drm/radeon/r600_cs.c
@@ -941,7 +941,8 @@ static int r600_cs_check_reg(struct radeon_cs_parser *p, u32 reg, u32 idx)
                track->db_depth_control = radeon_get_ib_value(p, idx);
                break;
        case R_028010_DB_DEPTH_INFO:
-                if (r600_cs_packet_next_is_pkt3_nop(p)) {
+                if (!p->keep_tiling_flags &&
+                    r600_cs_packet_next_is_pkt3_nop(p)) {
                        r = r600_cs_packet_next_reloc(p, &reloc);
                        if (r) {
                                dev_warn(p->dev, "bad SET_CONTEXT_REG "
@@ -992,7 +993,8 @@ static int r600_cs_check_reg(struct radeon_cs_parser *p, u32 reg, u32 idx)
        case R_0280B4_CB_COLOR5_INFO:
        case R_0280B8_CB_COLOR6_INFO:
        case R_0280BC_CB_COLOR7_INFO:
-                if (r600_cs_packet_next_is_pkt3_nop(p)) {
+                if (!p->keep_tiling_flags &&
+                     r600_cs_packet_next_is_pkt3_nop(p)) {
                        r = r600_cs_packet_next_reloc(p, &reloc);
                        if (r) {
                                dev_err(p->dev, "bad SET_CONTEXT_REG 0x%04X\n", reg);
@@ -1291,10 +1293,12 @@ static int r600_check_texture_resource(struct radeon_cs_parser *p,  u32 idx,
        mip_offset <<= 8;
        word0 = radeon_get_ib_value(p, idx + 0);
-        if (tiling_flags & RADEON_TILING_MACRO)
+        if (!p->keep_tiling_flags) {
-                word0 |= S_038000_TILE_MODE(V_038000_ARRAY_2D_TILED_THIN1);
+                if (tiling_flags & RADEON_TILING_MACRO)
-        else if (tiling_flags & RADEON_TILING_MICRO)
+                        word0 |= S_038000_TILE_MODE(V_038000_ARRAY_2D_TILED_THIN1);
-                word0 |= S_038000_TILE_MODE(V_038000_ARRAY_1D_TILED_THIN1);
+                else if (tiling_flags & RADEON_TILING_MICRO)
+                        word0 |= S_038000_TILE_MODE(V_038000_ARRAY_1D_TILED_THIN1);
+        }
        word1 = radeon_get_ib_value(p, idx + 1);
        w0 = G_038000_TEX_WIDTH(word0) + 1;
        h0 = G_038004_TEX_HEIGHT(word1) + 1;
@@ -1621,10 +1625,12 @@ static int r600_packet3_check(struct radeon_cs_parser *p,
                                        return -EINVAL;
                                }
                                base_offset = (u32)((reloc->lobj.gpu_offset >> 8) & 0xffffffff);
-                                if (reloc->lobj.tiling_flags & RADEON_TILING_MACRO)
+                                if (!p->keep_tiling_flags) {
-                                        ib[idx+1+(i*7)+0] |= S_038000_TILE_MODE(V_038000_ARRAY_2D_TILED_THIN1);
+                                        if (reloc->lobj.tiling_flags & RADEON_TILING_MACRO)
-                                else if (reloc->lobj.tiling_flags & RADEON_TILING_MICRO)
+                                                ib[idx+1+(i*7)+0] |= S_038000_TILE_MODE(V_038000_ARRAY_2D_TILED_THIN1);
-                                        ib[idx+1+(i*7)+0] |= S_038000_TILE_MODE(V_038000_ARRAY_1D_TILED_THIN1);
+                                        else if (reloc->lobj.tiling_flags & RADEON_TILING_MICRO)
+                                                ib[idx+1+(i*7)+0] |= S_038000_TILE_MODE(V_038000_ARRAY_1D_TILED_THIN1);
+                                }
                                texture = reloc->robj;
                                /* tex mip base */
                                r = r600_cs_packet_next_reloc(p, &reloc);
diff --git a/drivers/gpu/drm/radeon/radeon.h b/drivers/gpu/drm/radeon/radeon.h
index 83b2e016a4a1..c8f4dbd2d17c 100644
--- a/drivers/gpu/drm/radeon/radeon.h
+++ b/drivers/gpu/drm/radeon/radeon.h
@@ -610,7 +610,8 @@ struct radeon_cs_parser {
        struct radeon_ib        *ib;
        void                    *track;
        unsigned                family;
-        int parser_error;
+        int                     parser_error;
+        bool                    keep_tiling_flags;
 };
 extern int radeon_cs_update_pages(struct radeon_cs_parser *p, int pg_idx);
@@ -783,8 +784,7 @@ struct radeon_pm_clock_info {
 struct radeon_power_state {
        enum radeon_pm_state_type type;
-        /* XXX: use a define for num clock modes */
+        struct radeon_pm_clock_info *clock_info;
-        struct radeon_pm_clock_info clock_info[8];
        /* number of valid clock modes in this power state */
        int num_clock_modes;
        struct radeon_pm_clock_info *default_clock_mode;
@@ -854,6 +854,9 @@ struct radeon_pm {
        struct device           *int_hwmon_dev;
 };
+int radeon_pm_get_type_index(struct radeon_device *rdev,
+                             enum radeon_pm_state_type ps_type,
+                             int instance);
 /*
 * Benchmarking
@@ -1141,6 +1144,48 @@ struct r600_vram_scratch {
        u64                             gpu_addr;
 };
+/*
+ * Mutex which allows recursive locking from the same process.
+ */
+struct radeon_mutex {
+        struct mutex            mutex;
+        struct task_struct      *owner;
+        int                     level;
+};
+static inline void radeon_mutex_init(struct radeon_mutex *mutex)
+{
+        mutex_init(&mutex->mutex);
+        mutex->owner = NULL;
+        mutex->level = 0;
+}
+static inline void radeon_mutex_lock(struct radeon_mutex *mutex)
+{
+        if (mutex_trylock(&mutex->mutex)) {
+                /* The mutex was unlocked before, so it's ours now */
+                mutex->owner = current;
+        } else if (mutex->owner != current) {
+                /* Another process locked the mutex, take it */
+                mutex_lock(&mutex->mutex);
+                mutex->owner = current;
+        }
+        /* Otherwise the mutex was already locked by this process */
+        mutex->level++;
+}
+static inline void radeon_mutex_unlock(struct radeon_mutex *mutex)
+{
+        if (--mutex->level > 0)
+                return;
+        mutex->owner = NULL;
+        mutex_unlock(&mutex->mutex);
+}
 /*
 * Core structure, functions and helpers.
 */
@@ -1196,7 +1241,7 @@ struct radeon_device {
        struct radeon_gem               gem;
        struct radeon_pm                pm;
        uint32_t                        bios_scratch[RADEON_BIOS_NUM_SCRATCH];
-        struct mutex                    cs_mutex;
+        struct radeon_mutex             cs_mutex;
        struct radeon_wb                wb;
        struct radeon_dummy_page        dummy_page;
        bool                            gpu_lockup;
diff --git a/drivers/gpu/drm/radeon/radeon_acpi.c b/drivers/gpu/drm/radeon/radeon_acpi.c
index 3f6636bb2d7f..3516a6081dcf 100644
--- a/drivers/gpu/drm/radeon/radeon_acpi.c
+++ b/drivers/gpu/drm/radeon/radeon_acpi.c
@@ -35,7 +35,8 @@ static int radeon_atif_call(acpi_handle handle)
        /* Fail only if calling the method fails and ATIF is supported */
        if (ACPI_FAILURE(status) && status != AE_NOT_FOUND) {
-                printk(KERN_DEBUG "failed to evaluate ATIF got %s\n", acpi_format_exception(status));
+                DRM_DEBUG_DRIVER("failed to evaluate ATIF got %s\n",
+                                 acpi_format_exception(status));
                kfree(buffer.pointer);
                return 1;
        }
@@ -50,13 +51,13 @@ int radeon_acpi_init(struct radeon_device *rdev)
        acpi_handle handle;
        int ret;
-        /* No need to proceed if we're sure that ATIF is not supported */
-        if (!ASIC_IS_AVIVO(rdev) || !rdev->bios)
-                return 0;
        /* Get the device handle */
        handle = DEVICE_ACPI_HANDLE(&rdev->pdev->dev);
+        /* No need to proceed if we're sure that ATIF is not supported */
+        if (!ASIC_IS_AVIVO(rdev) || !rdev->bios || !handle)
+                return 0;
        /* Call the ATIF method */
        ret = radeon_atif_call(handle);
        if (ret)
diff --git a/drivers/gpu/drm/radeon/radeon_asic.c b/drivers/gpu/drm/radeon/radeon_asic.c
index e2944566ffea..a2e1eae114ef 100644
--- a/drivers/gpu/drm/radeon/radeon_asic.c
+++ b/drivers/gpu/drm/radeon/radeon_asic.c
@@ -834,7 +834,7 @@ static struct radeon_asic sumo_asic = {
        .pm_misc = &evergreen_pm_misc,
        .pm_prepare = &evergreen_pm_prepare,
        .pm_finish = &evergreen_pm_finish,
-        .pm_init_profile = &rs780_pm_init_profile,
+        .pm_init_profile = &sumo_pm_init_profile,
        .pm_get_dynpm_state = &r600_pm_get_dynpm_state,
        .pre_page_flip = &evergreen_pre_page_flip,
        .page_flip = &evergreen_page_flip,
diff --git a/drivers/gpu/drm/radeon/radeon_asic.h b/drivers/gpu/drm/radeon/radeon_asic.h
index 85f14f0337e4..59914842a729 100644
--- a/drivers/gpu/drm/radeon/radeon_asic.h
+++ b/drivers/gpu/drm/radeon/radeon_asic.h
@@ -413,6 +413,7 @@ extern int evergreen_cs_parse(struct radeon_cs_parser *p);
 extern void evergreen_pm_misc(struct radeon_device *rdev);
 extern void evergreen_pm_prepare(struct radeon_device *rdev);
 extern void evergreen_pm_finish(struct radeon_device *rdev);
+extern void sumo_pm_init_profile(struct radeon_device *rdev);
 extern void evergreen_pre_page_flip(struct radeon_device *rdev, int crtc);
 extern u32 evergreen_page_flip(struct radeon_device *rdev, int crtc, u64 crtc_base);
 extern void evergreen_post_page_flip(struct radeon_device *rdev, int crtc);
diff --git a/drivers/gpu/drm/radeon/radeon_atombios.c b/drivers/gpu/drm/radeon/radeon_atombios.c
index 08d0b94332e6..d24baf30efcb 100644
--- a/drivers/gpu/drm/radeon/radeon_atombios.c
+++ b/drivers/gpu/drm/radeon/radeon_atombios.c
@@ -62,6 +62,87 @@ union atom_supported_devices {
        struct _ATOM_SUPPORTED_DEVICES_INFO_2d1 info_2d1;
 };
+static void radeon_lookup_i2c_gpio_quirks(struct radeon_device *rdev,
+                                          ATOM_GPIO_I2C_ASSIGMENT *gpio,
+                                          u8 index)
+{
+        /* r4xx mask is technically not used by the hw, so patch in the legacy mask bits */
+        if ((rdev->family == CHIP_R420) ||
+            (rdev->family == CHIP_R423) ||
+            (rdev->family == CHIP_RV410)) {
+                if ((le16_to_cpu(gpio->usClkMaskRegisterIndex) == 0x0018) ||
+                    (le16_to_cpu(gpio->usClkMaskRegisterIndex) == 0x0019) ||
+                    (le16_to_cpu(gpio->usClkMaskRegisterIndex) == 0x001a)) {
+                        gpio->ucClkMaskShift = 0x19;
+                        gpio->ucDataMaskShift = 0x18;
+                }
+        }
+        /* some evergreen boards have bad data for this entry */
+        if (ASIC_IS_DCE4(rdev)) {
+                if ((index == 7) &&
+                    (le16_to_cpu(gpio->usClkMaskRegisterIndex) == 0x1936) &&
+                    (gpio->sucI2cId.ucAccess == 0)) {
+                        gpio->sucI2cId.ucAccess = 0x97;
+                        gpio->ucDataMaskShift = 8;
+                        gpio->ucDataEnShift = 8;
+                        gpio->ucDataY_Shift = 8;
+                        gpio->ucDataA_Shift = 8;
+                }
+        }
+        /* some DCE3 boards have bad data for this entry */
+        if (ASIC_IS_DCE3(rdev)) {
+                if ((index == 4) &&
+                    (le16_to_cpu(gpio->usClkMaskRegisterIndex) == 0x1fda) &&
+                    (gpio->sucI2cId.ucAccess == 0x94))
+                        gpio->sucI2cId.ucAccess = 0x14;
+        }
+}
+static struct radeon_i2c_bus_rec radeon_get_bus_rec_for_i2c_gpio(ATOM_GPIO_I2C_ASSIGMENT *gpio)
+{
+        struct radeon_i2c_bus_rec i2c;
+        memset(&i2c, 0, sizeof(struct radeon_i2c_bus_rec));
+        i2c.mask_clk_reg = le16_to_cpu(gpio->usClkMaskRegisterIndex) * 4;
+        i2c.mask_data_reg = le16_to_cpu(gpio->usDataMaskRegisterIndex) * 4;
+        i2c.en_clk_reg = le16_to_cpu(gpio->usClkEnRegisterIndex) * 4;
+        i2c.en_data_reg = le16_to_cpu(gpio->usDataEnRegisterIndex) * 4;
+        i2c.y_clk_reg = le16_to_cpu(gpio->usClkY_RegisterIndex) * 4;
+        i2c.y_data_reg = le16_to_cpu(gpio->usDataY_RegisterIndex) * 4;
+        i2c.a_clk_reg = le16_to_cpu(gpio->usClkA_RegisterIndex) * 4;
+        i2c.a_data_reg = le16_to_cpu(gpio->usDataA_RegisterIndex) * 4;
+        i2c.mask_clk_mask = (1 << gpio->ucClkMaskShift);
+        i2c.mask_data_mask = (1 << gpio->ucDataMaskShift);
+        i2c.en_clk_mask = (1 << gpio->ucClkEnShift);
+        i2c.en_data_mask = (1 << gpio->ucDataEnShift);
+        i2c.y_clk_mask = (1 << gpio->ucClkY_Shift);
+        i2c.y_data_mask = (1 << gpio->ucDataY_Shift);
+        i2c.a_clk_mask = (1 << gpio->ucClkA_Shift);
+        i2c.a_data_mask = (1 << gpio->ucDataA_Shift);
+        if (gpio->sucI2cId.sbfAccess.bfHW_Capable)
+                i2c.hw_capable = true;
+        else
+                i2c.hw_capable = false;
+        if (gpio->sucI2cId.ucAccess == 0xa0)
+                i2c.mm_i2c = true;
+        else
+                i2c.mm_i2c = false;
+        i2c.i2c_id = gpio->sucI2cId.ucAccess;
+        if (i2c.mask_clk_reg)
+                i2c.valid = true;
+        else
+                i2c.valid = false;
+        return i2c;
+}
 static struct radeon_i2c_bus_rec radeon_lookup_i2c_gpio(struct radeon_device *rdev,
                                                               uint8_t id)
 {
@@ -85,59 +166,10 @@ static struct radeon_i2c_bus_rec radeon_lookup_i2c_gpio(struct radeon_device *rd
                for (i = 0; i < num_indices; i++) {
                        gpio = &i2c_info->asGPIO_Info[i];
-                        /* some evergreen boards have bad data for this entry */
+                        radeon_lookup_i2c_gpio_quirks(rdev, gpio, i);
-                        if (ASIC_IS_DCE4(rdev)) {
-                                if ((i == 7) &&
-                                    (le16_to_cpu(gpio->usClkMaskRegisterIndex) == 0x1936) &&
-                                    (gpio->sucI2cId.ucAccess == 0)) {
-                                        gpio->sucI2cId.ucAccess = 0x97;
-                                        gpio->ucDataMaskShift = 8;
-                                        gpio->ucDataEnShift = 8;
-                                        gpio->ucDataY_Shift = 8;
-                                        gpio->ucDataA_Shift = 8;
-                                }
-                        }
-                        /* some DCE3 boards have bad data for this entry */
-                        if (ASIC_IS_DCE3(rdev)) {
-                                if ((i == 4) &&
-                                    (le16_to_cpu(gpio->usClkMaskRegisterIndex) == 0x1fda) &&
-                                    (gpio->sucI2cId.ucAccess == 0x94))
-                                        gpio->sucI2cId.ucAccess = 0x14;
-                        }
                        if (gpio->sucI2cId.ucAccess == id) {
-                                i2c.mask_clk_reg = le16_to_cpu(gpio->usClkMaskRegisterIndex) * 4;
+                                i2c = radeon_get_bus_rec_for_i2c_gpio(gpio);
-                                i2c.mask_data_reg = le16_to_cpu(gpio->usDataMaskRegisterIndex) * 4;
-                                i2c.en_clk_reg = le16_to_cpu(gpio->usClkEnRegisterIndex) * 4;
-                                i2c.en_data_reg = le16_to_cpu(gpio->usDataEnRegisterIndex) * 4;
-                                i2c.y_clk_reg = le16_to_cpu(gpio->usClkY_RegisterIndex) * 4;
-                                i2c.y_data_reg = le16_to_cpu(gpio->usDataY_RegisterIndex) * 4;
-                                i2c.a_clk_reg = le16_to_cpu(gpio->usClkA_RegisterIndex) * 4;
-                                i2c.a_data_reg = le16_to_cpu(gpio->usDataA_RegisterIndex) * 4;
-                                i2c.mask_clk_mask = (1 << gpio->ucClkMaskShift);
-                                i2c.mask_data_mask = (1 << gpio->ucDataMaskShift);
-                                i2c.en_clk_mask = (1 << gpio->ucClkEnShift);
-                                i2c.en_data_mask = (1 << gpio->ucDataEnShift);
-                                i2c.y_clk_mask = (1 << gpio->ucClkY_Shift);
-                                i2c.y_data_mask = (1 << gpio->ucDataY_Shift);
-                                i2c.a_clk_mask = (1 << gpio->ucClkA_Shift);
-                                i2c.a_data_mask = (1 << gpio->ucDataA_Shift);
-                                if (gpio->sucI2cId.sbfAccess.bfHW_Capable)
-                                        i2c.hw_capable = true;
-                                else
-                                        i2c.hw_capable = false;
-                                if (gpio->sucI2cId.ucAccess == 0xa0)
-                                        i2c.mm_i2c = true;
-                                else
-                                        i2c.mm_i2c = false;
-                                i2c.i2c_id = gpio->sucI2cId.ucAccess;
-                                if (i2c.mask_clk_reg)
-                                        i2c.valid = true;
                                break;
                        }
                }
@@ -157,8 +189,6 @@ void radeon_atombios_i2c_init(struct radeon_device *rdev)
        int i, num_indices;
        char stmp[32];
-        memset(&i2c, 0, sizeof(struct radeon_i2c_bus_rec));
        if (atom_parse_data_header(ctx, index, &size, NULL, NULL, &data_offset)) {
                i2c_info = (struct _ATOM_GPIO_I2C_INFO *)(ctx->bios + data_offset);
@@ -167,60 +197,12 @@ void radeon_atombios_i2c_init(struct radeon_device *rdev)
                for (i = 0; i < num_indices; i++) {
                        gpio = &i2c_info->asGPIO_Info[i];
-                        i2c.valid = false;
-                        /* some evergreen boards have bad data for this entry */
-                        if (ASIC_IS_DCE4(rdev)) {
-                                if ((i == 7) &&
-                                    (le16_to_cpu(gpio->usClkMaskRegisterIndex) == 0x1936) &&
-                                    (gpio->sucI2cId.ucAccess == 0)) {
-                                        gpio->sucI2cId.ucAccess = 0x97;
-                                        gpio->ucDataMaskShift = 8;
-                                        gpio->ucDataEnShift = 8;
-                                        gpio->ucDataY_Shift = 8;
-                                        gpio->ucDataA_Shift = 8;
-                                }
-                        }
-                        /* some DCE3 boards have bad data for this entry */
+                        radeon_lookup_i2c_gpio_quirks(rdev, gpio, i);
-                        if (ASIC_IS_DCE3(rdev)) {
-                                if ((i == 4) &&
-                                    (le16_to_cpu(gpio->usClkMaskRegisterIndex) == 0x1fda) &&
-                                    (gpio->sucI2cId.ucAccess == 0x94))
-                                        gpio->sucI2cId.ucAccess = 0x14;
-                        }
-                        i2c.mask_clk_reg = le16_to_cpu(gpio->usClkMaskRegisterIndex) * 4;
+                        i2c = radeon_get_bus_rec_for_i2c_gpio(gpio);
-                        i2c.mask_data_reg = le16_to_cpu(gpio->usDataMaskRegisterIndex) * 4;
-                        i2c.en_clk_reg = le16_to_cpu(gpio->usClkEnRegisterIndex) * 4;
-                        i2c.en_data_reg = le16_to_cpu(gpio->usDataEnRegisterIndex) * 4;
-                        i2c.y_clk_reg = le16_to_cpu(gpio->usClkY_RegisterIndex) * 4;
-                        i2c.y_data_reg = le16_to_cpu(gpio->usDataY_RegisterIndex) * 4;
-                        i2c.a_clk_reg = le16_to_cpu(gpio->usClkA_RegisterIndex) * 4;
-                        i2c.a_data_reg = le16_to_cpu(gpio->usDataA_RegisterIndex) * 4;
-                        i2c.mask_clk_mask = (1 << gpio->ucClkMaskShift);
-                        i2c.mask_data_mask = (1 << gpio->ucDataMaskShift);
-                        i2c.en_clk_mask = (1 << gpio->ucClkEnShift);
-                        i2c.en_data_mask = (1 << gpio->ucDataEnShift);
-                        i2c.y_clk_mask = (1 << gpio->ucClkY_Shift);
-                        i2c.y_data_mask = (1 << gpio->ucDataY_Shift);
-                        i2c.a_clk_mask = (1 << gpio->ucClkA_Shift);
-                        i2c.a_data_mask = (1 << gpio->ucDataA_Shift);
-                        if (gpio->sucI2cId.sbfAccess.bfHW_Capable)
-                                i2c.hw_capable = true;
-                        else
-                                i2c.hw_capable = false;
-                        if (gpio->sucI2cId.ucAccess == 0xa0)
-                                i2c.mm_i2c = true;
-                        else
-                                i2c.mm_i2c = false;
-                        i2c.i2c_id = gpio->sucI2cId.ucAccess;
+                        if (i2c.valid) {
-                        if (i2c.mask_clk_reg) {
-                                i2c.valid = true;
                                sprintf(stmp, "0x%x", i2c.i2c_id);
                                rdev->i2c_bus[i] = radeon_i2c_create(rdev->ddev, &i2c, stmp);
                        }
@@ -1996,10 +1978,14 @@ static int radeon_atombios_parse_power_table_1_3(struct radeon_device *rdev)
                return state_index;
        /* last mode is usually default, array is low to high */
        for (i = 0; i < num_modes; i++) {
+                rdev->pm.power_state[state_index].clock_info =
+                        kzalloc(sizeof(struct radeon_pm_clock_info) * 1, GFP_KERNEL);
+                if (!rdev->pm.power_state[state_index].clock_info)
+                        return state_index;
+                rdev->pm.power_state[state_index].num_clock_modes = 1;
                rdev->pm.power_state[state_index].clock_info[0].voltage.type = VOLTAGE_NONE;
                switch (frev) {
                case 1:
-                        rdev->pm.power_state[state_index].num_clock_modes = 1;
                        rdev->pm.power_state[state_index].clock_info[0].mclk =
                                le16_to_cpu(power_info->info.asPowerPlayInfo[i].usMemoryClock);
                        rdev->pm.power_state[state_index].clock_info[0].sclk =
@@ -2035,7 +2021,6 @@ static int radeon_atombios_parse_power_table_1_3(struct radeon_device *rdev)
                        state_index++;
                        break;
                case 2:
-                        rdev->pm.power_state[state_index].num_clock_modes = 1;
                        rdev->pm.power_state[state_index].clock_info[0].mclk =
                                le32_to_cpu(power_info->info_2.asPowerPlayInfo[i].ulMemoryClock);
                        rdev->pm.power_state[state_index].clock_info[0].sclk =
@@ -2072,7 +2057,6 @@ static int radeon_atombios_parse_power_table_1_3(struct radeon_device *rdev)
                        state_index++;
                        break;
                case 3:
-                        rdev->pm.power_state[state_index].num_clock_modes = 1;
                        rdev->pm.power_state[state_index].clock_info[0].mclk =
                                le32_to_cpu(power_info->info_3.asPowerPlayInfo[i].ulMemoryClock);
                        rdev->pm.power_state[state_index].clock_info[0].sclk =
@@ -2257,7 +2241,7 @@ static void radeon_atombios_parse_pplib_non_clock_info(struct radeon_device *rde
                rdev->pm.default_power_state_index = state_index;
                rdev->pm.power_state[state_index].default_clock_mode =
                        &rdev->pm.power_state[state_index].clock_info[mode_index - 1];
-                if (ASIC_IS_DCE5(rdev)) {
+                if (ASIC_IS_DCE5(rdev) && !(rdev->flags & RADEON_IS_IGP)) {
                        /* NI chips post without MC ucode, so default clocks are strobe mode only */
                        rdev->pm.default_sclk = rdev->pm.power_state[state_index].clock_info[0].sclk;
                        rdev->pm.default_mclk = rdev->pm.power_state[state_index].clock_info[0].mclk;
@@ -2377,17 +2361,31 @@ static int radeon_atombios_parse_power_table_4_5(struct radeon_device *rdev)
                         le16_to_cpu(power_info->pplib.usNonClockInfoArrayOffset) +
                         (power_state->v1.ucNonClockStateIndex *
                          power_info->pplib.ucNonClockSize));
-                for (j = 0; j < (power_info->pplib.ucStateEntrySize - 1); j++) {
+                rdev->pm.power_state[i].clock_info = kzalloc(sizeof(struct radeon_pm_clock_info) *
-                        clock_info = (union pplib_clock_info *)
+                                                             ((power_info->pplib.ucStateEntrySize - 1) ?
-                                (mode_info->atom_context->bios + data_offset +
+                                                              (power_info->pplib.ucStateEntrySize - 1) : 1),
-                                 le16_to_cpu(power_info->pplib.usClockInfoArrayOffset) +
+                                                             GFP_KERNEL);
-                                 (power_state->v1.ucClockStateIndices[j] *
+                if (!rdev->pm.power_state[i].clock_info)
-                                  power_info->pplib.ucClockInfoSize));
+                        return state_index;
-                        valid = radeon_atombios_parse_pplib_clock_info(rdev,
+                if (power_info->pplib.ucStateEntrySize - 1) {
-                                                                       state_index, mode_index,
+                        for (j = 0; j < (power_info->pplib.ucStateEntrySize - 1); j++) {
-                                                                       clock_info);
+                                clock_info = (union pplib_clock_info *)
-                        if (valid)
+                                        (mode_info->atom_context->bios + data_offset +
-                                mode_index++;
+                                         le16_to_cpu(power_info->pplib.usClockInfoArrayOffset) +
+                                         (power_state->v1.ucClockStateIndices[j] *
+                                          power_info->pplib.ucClockInfoSize));
+                                valid = radeon_atombios_parse_pplib_clock_info(rdev,
+                                                                               state_index, mode_index,
+                                                                               clock_info);
+                                if (valid)
+                                        mode_index++;
+                        }
+                } else {
+                        rdev->pm.power_state[state_index].clock_info[0].mclk =
+                                rdev->clock.default_mclk;
+                        rdev->pm.power_state[state_index].clock_info[0].sclk =
+                                rdev->clock.default_sclk;
+                        mode_index++;
                }
                rdev->pm.power_state[state_index].num_clock_modes = mode_index;
                if (mode_index) {
@@ -2456,18 +2454,32 @@ static int radeon_atombios_parse_power_table_6(struct radeon_device *rdev)
                non_clock_array_index = i; /* power_state->v2.nonClockInfoIndex */
                non_clock_info = (struct _ATOM_PPLIB_NONCLOCK_INFO *)
                        &non_clock_info_array->nonClockInfo[non_clock_array_index];
-                for (j = 0; j < power_state->v2.ucNumDPMLevels; j++) {
+                rdev->pm.power_state[i].clock_info = kzalloc(sizeof(struct radeon_pm_clock_info) *
-                        clock_array_index = power_state->v2.clockInfoIndex[j];
+                                                             (power_state->v2.ucNumDPMLevels ?
-                        /* XXX this might be an inagua bug... */
+                                                              power_state->v2.ucNumDPMLevels : 1),
-                        if (clock_array_index >= clock_info_array->ucNumEntries)
+                                                             GFP_KERNEL);
-                                continue;
+                if (!rdev->pm.power_state[i].clock_info)
-                        clock_info = (union pplib_clock_info *)
+                        return state_index;
-                                &clock_info_array->clockInfo[clock_array_index];
+                if (power_state->v2.ucNumDPMLevels) {
-                        valid = radeon_atombios_parse_pplib_clock_info(rdev,
+                        for (j = 0; j < power_state->v2.ucNumDPMLevels; j++) {
-                                                                       state_index, mode_index,
+                                clock_array_index = power_state->v2.clockInfoIndex[j];
-                                                                       clock_info);
+                                /* XXX this might be an inagua bug... */
-                        if (valid)
+                                if (clock_array_index >= clock_info_array->ucNumEntries)
-                                mode_index++;
+                                        continue;
+                                clock_info = (union pplib_clock_info *)
+                                        &clock_info_array->clockInfo[clock_array_index];
+                                valid = radeon_atombios_parse_pplib_clock_info(rdev,
+                                                                               state_index, mode_index,
+                                                                               clock_info);
+                                if (valid)
+                                        mode_index++;
+                        }
+                } else {
+                        rdev->pm.power_state[state_index].clock_info[0].mclk =
+                                rdev->clock.default_mclk;
+                        rdev->pm.power_state[state_index].clock_info[0].sclk =
+                                rdev->clock.default_sclk;
+                        mode_index++;
                }
                rdev->pm.power_state[state_index].num_clock_modes = mode_index;
                if (mode_index) {
@@ -2524,19 +2536,23 @@ void radeon_atombios_get_power_modes(struct radeon_device *rdev)
        } else {
                rdev->pm.power_state = kzalloc(sizeof(struct radeon_power_state), GFP_KERNEL);
                if (rdev->pm.power_state) {
-                        /* add the default mode */
+                        rdev->pm.power_state[0].clock_info =
-                        rdev->pm.power_state[state_index].type =
+                                kzalloc(sizeof(struct radeon_pm_clock_info) * 1, GFP_KERNEL);
-                                POWER_STATE_TYPE_DEFAULT;
+                        if (rdev->pm.power_state[0].clock_info) {
-                        rdev->pm.power_state[state_index].num_clock_modes = 1;
+                                /* add the default mode */
-                        rdev->pm.power_state[state_index].clock_info[0].mclk = rdev->clock.default_mclk;
+                                rdev->pm.power_state[state_index].type =
-                        rdev->pm.power_state[state_index].clock_info[0].sclk = rdev->clock.default_sclk;
+                                        POWER_STATE_TYPE_DEFAULT;
-                        rdev->pm.power_state[state_index].default_clock_mode =
+                                rdev->pm.power_state[state_index].num_clock_modes = 1;
-                                &rdev->pm.power_state[state_index].clock_info[0];
+                                rdev->pm.power_state[state_index].clock_info[0].mclk = rdev->clock.default_mclk;
-                        rdev->pm.power_state[state_index].clock_info[0].voltage.type = VOLTAGE_NONE;
+                                rdev->pm.power_state[state_index].clock_info[0].sclk = rdev->clock.default_sclk;
-                        rdev->pm.power_state[state_index].pcie_lanes = 16;
+                                rdev->pm.power_state[state_index].default_clock_mode =
-                        rdev->pm.default_power_state_index = state_index;
+                                        &rdev->pm.power_state[state_index].clock_info[0];
-                        rdev->pm.power_state[state_index].flags = 0;
+                                rdev->pm.power_state[state_index].clock_info[0].voltage.type = VOLTAGE_NONE;
-                        state_index++;
+                                rdev->pm.power_state[state_index].pcie_lanes = 16;
+                                rdev->pm.default_power_state_index = state_index;
+                                rdev->pm.power_state[state_index].flags = 0;
+                                state_index++;
+                        }
                }
        }
diff --git a/drivers/gpu/drm/radeon/radeon_benchmark.c b/drivers/gpu/drm/radeon/radeon_benchmark.c
index 5cafc90de7f8..17e1a9b2d8fb 100644
--- a/drivers/gpu/drm/radeon/radeon_benchmark.c
+++ b/drivers/gpu/drm/radeon/radeon_benchmark.c
@@ -98,7 +98,7 @@ static void radeon_benchmark_move(struct radeon_device *rdev, unsigned size,
        struct radeon_bo *sobj = NULL;
        uint64_t saddr, daddr;
        int r, n;
-        unsigned int time;
+        int time;
        n = RADEON_BENCHMARK_ITERATIONS;
        r = radeon_bo_create(rdev, size, PAGE_SIZE, true, sdomain, &sobj);
diff --git a/drivers/gpu/drm/radeon/radeon_combios.c b/drivers/gpu/drm/radeon/radeon_combios.c
index 8bf83c4b4147..81fc100be7e1 100644
--- a/drivers/gpu/drm/radeon/radeon_combios.c
+++ b/drivers/gpu/drm/radeon/radeon_combios.c
@@ -2563,14 +2563,17 @@ void radeon_combios_get_power_modes(struct radeon_device *rdev)
        /* allocate 2 power states */
        rdev->pm.power_state = kzalloc(sizeof(struct radeon_power_state) * 2, GFP_KERNEL);
-        if (!rdev->pm.power_state) {
+        if (rdev->pm.power_state) {
-                rdev->pm.default_power_state_index = state_index;
+                /* allocate 1 clock mode per state */
-                rdev->pm.num_power_states = 0;
+                rdev->pm.power_state[0].clock_info =
+                        kzalloc(sizeof(struct radeon_pm_clock_info) * 1, GFP_KERNEL);
-                rdev->pm.current_power_state_index = rdev->pm.default_power_state_index;
+                rdev->pm.power_state[1].clock_info =
-                rdev->pm.current_clock_mode_index = 0;
+                        kzalloc(sizeof(struct radeon_pm_clock_info) * 1, GFP_KERNEL);
-                return;
+                if (!rdev->pm.power_state[0].clock_info ||
-        }
+                    !rdev->pm.power_state[1].clock_info)
+                        goto pm_failed;
+        } else
+                goto pm_failed;
        /* check for a thermal chip */
        offset = combios_get_table_offset(dev, COMBIOS_OVERDRIVE_INFO_TABLE);
@@ -2735,6 +2738,14 @@ default_mode:
        rdev->pm.current_power_state_index = rdev->pm.default_power_state_index;
        rdev->pm.current_clock_mode_index = 0;
+        return;
+pm_failed:
+        rdev->pm.default_power_state_index = state_index;
+        rdev->pm.num_power_states = 0;
+        rdev->pm.current_power_state_index = rdev->pm.default_power_state_index;
+        rdev->pm.current_clock_mode_index = 0;
 }
 void radeon_external_tmds_setup(struct drm_encoder *encoder)
diff --git a/drivers/gpu/drm/radeon/radeon_cs.c b/drivers/gpu/drm/radeon/radeon_cs.c
index fae00c0d75aa..29afd71e0840 100644
--- a/drivers/gpu/drm/radeon/radeon_cs.c
+++ b/drivers/gpu/drm/radeon/radeon_cs.c
@@ -93,7 +93,7 @@ int radeon_cs_parser_init(struct radeon_cs_parser *p, void *data)
 {
        struct drm_radeon_cs *cs = data;
        uint64_t *chunk_array_ptr;
-        unsigned size, i;
+        unsigned size, i, flags = 0;
        if (!cs->num_chunks) {
                return 0;
@@ -140,6 +140,10 @@ int radeon_cs_parser_init(struct radeon_cs_parser *p, void *data)
                        if (p->chunks[i].length_dw == 0)
                                return -EINVAL;
                }
+                if (p->chunks[i].chunk_id == RADEON_CHUNK_ID_FLAGS &&
+                    !p->chunks[i].length_dw) {
+                        return -EINVAL;
+                }
                p->chunks[i].length_dw = user_chunk.length_dw;
                p->chunks[i].user_ptr = (void __user *)(unsigned long)user_chunk.chunk_data;
@@ -155,6 +159,9 @@ int radeon_cs_parser_init(struct radeon_cs_parser *p, void *data)
                                               p->chunks[i].user_ptr, size)) {
                                return -EFAULT;
                        }
+                        if (p->chunks[i].chunk_id == RADEON_CHUNK_ID_FLAGS) {
+                                flags = p->chunks[i].kdata[0];
+                        }
                } else {
                        p->chunks[i].kpage[0] = kmalloc(PAGE_SIZE, GFP_KERNEL);
                        p->chunks[i].kpage[1] = kmalloc(PAGE_SIZE, GFP_KERNEL);
@@ -174,6 +181,8 @@ int radeon_cs_parser_init(struct radeon_cs_parser *p, void *data)
                          p->chunks[p->chunk_ib_idx].length_dw);
                return -EINVAL;
        }
+        p->keep_tiling_flags = (flags & RADEON_CS_KEEP_TILING_FLAGS) != 0;
        return 0;
 }
@@ -222,7 +231,7 @@ int radeon_cs_ioctl(struct drm_device *dev, void *data, struct drm_file *filp)
        struct radeon_cs_chunk *ib_chunk;
        int r;
-        mutex_lock(&rdev->cs_mutex);
+        radeon_mutex_lock(&rdev->cs_mutex);
        /* initialize parser */
        memset(&parser, 0, sizeof(struct radeon_cs_parser));
        parser.filp = filp;
@@ -233,14 +242,14 @@ int radeon_cs_ioctl(struct drm_device *dev, void *data, struct drm_file *filp)
        if (r) {
                DRM_ERROR("Failed to initialize parser !\n");
                radeon_cs_parser_fini(&parser, r);
-                mutex_unlock(&rdev->cs_mutex);
+                radeon_mutex_unlock(&rdev->cs_mutex);
                return r;
        }
        r =  radeon_ib_get(rdev, &parser.ib);
        if (r) {
                DRM_ERROR("Failed to get ib !\n");
                radeon_cs_parser_fini(&parser, r);
-                mutex_unlock(&rdev->cs_mutex);
+                radeon_mutex_unlock(&rdev->cs_mutex);
                return r;
        }
        r = radeon_cs_parser_relocs(&parser);
@@ -248,7 +257,7 @@ int radeon_cs_ioctl(struct drm_device *dev, void *data, struct drm_file *filp)
                if (r != -ERESTARTSYS)
                        DRM_ERROR("Failed to parse relocation %d!\n", r);
                radeon_cs_parser_fini(&parser, r);
-                mutex_unlock(&rdev->cs_mutex);
+                radeon_mutex_unlock(&rdev->cs_mutex);
                return r;
        }
        /* Copy the packet into the IB, the parser will read from the
@@ -260,14 +269,14 @@ int radeon_cs_ioctl(struct drm_device *dev, void *data, struct drm_file *filp)
        if (r || parser.parser_error) {
                DRM_ERROR("Invalid command stream !\n");
                radeon_cs_parser_fini(&parser, r);
-                mutex_unlock(&rdev->cs_mutex);
+                radeon_mutex_unlock(&rdev->cs_mutex);
                return r;
        }
        r = radeon_cs_finish_pages(&parser);
        if (r) {
                DRM_ERROR("Invalid command stream !\n");
                radeon_cs_parser_fini(&parser, r);
-                mutex_unlock(&rdev->cs_mutex);
+                radeon_mutex_unlock(&rdev->cs_mutex);
                return r;
        }
        r = radeon_ib_schedule(rdev, parser.ib);
@@ -275,7 +284,7 @@ int radeon_cs_ioctl(struct drm_device *dev, void *data, struct drm_file *filp)
                DRM_ERROR("Failed to schedule IB !\n");
        }
        radeon_cs_parser_fini(&parser, r);
-        mutex_unlock(&rdev->cs_mutex);
+        radeon_mutex_unlock(&rdev->cs_mutex);
        return r;
 }
diff --git a/drivers/gpu/drm/radeon/radeon_device.c b/drivers/gpu/drm/radeon/radeon_device.c
index 7c31321df45b..fb347a80486f 100644
--- a/drivers/gpu/drm/radeon/radeon_device.c
+++ b/drivers/gpu/drm/radeon/radeon_device.c
@@ -716,7 +716,7 @@ int radeon_device_init(struct radeon_device *rdev,
        /* mutex initialization are all done here so we
         * can recall function without having locking issues */
-        mutex_init(&rdev->cs_mutex);
+        radeon_mutex_init(&rdev->cs_mutex);
        mutex_init(&rdev->ib_pool.mutex);
        mutex_init(&rdev->cp.mutex);
        mutex_init(&rdev->dc_hw_i2c_mutex);
@@ -961,6 +961,9 @@ int radeon_gpu_reset(struct radeon_device *rdev)
        int r;
        int resched;
+        /* Prevent CS ioctl from interfering */
+        radeon_mutex_lock(&rdev->cs_mutex);
        radeon_save_bios_scratch_regs(rdev);
        /* block TTM */
        resched = ttm_bo_lock_delayed_workqueue(&rdev->mman.bdev);
@@ -973,10 +976,15 @@ int radeon_gpu_reset(struct radeon_device *rdev)
                radeon_restore_bios_scratch_regs(rdev);
                drm_helper_resume_force_mode(rdev->ddev);
                ttm_bo_unlock_delayed_workqueue(&rdev->mman.bdev, resched);
-                return 0;
        }
-        /* bad news, how to tell it to userspace ? */
-        dev_info(rdev->dev, "GPU reset failed\n");
+        radeon_mutex_unlock(&rdev->cs_mutex);
+        if (r) {
+                /* bad news, how to tell it to userspace ? */
+                dev_info(rdev->dev, "GPU reset failed\n");
+        }
        return r;
 }
diff --git a/drivers/gpu/drm/radeon/radeon_drv.c b/drivers/gpu/drm/radeon/radeon_drv.c
index e42c34b98c7b..c3ef1d266f88 100644
--- a/drivers/gpu/drm/radeon/radeon_drv.c
+++ b/drivers/gpu/drm/radeon/radeon_drv.c
@@ -53,9 +53,10 @@
 *   2.9.0 - r600 tiling (s3tc,rgtc) working, SET_PREDICATION packet 3 on r600 + eg, backend query
 *   2.10.0 - fusion 2D tiling
 *   2.11.0 - backend map, initial compute support for the CS checker
+ *   2.12.0 - RADEON_CS_KEEP_TILING_FLAGS
 */
 #define KMS_DRIVER_MAJOR        2
-#define KMS_DRIVER_MINOR        11
+#define KMS_DRIVER_MINOR        12
 #define KMS_DRIVER_PATCHLEVEL   0
 int radeon_driver_load_kms(struct drm_device *dev, unsigned long flags);
 int radeon_driver_unload_kms(struct drm_device *dev);
diff --git a/drivers/gpu/drm/radeon/radeon_encoders.c b/drivers/gpu/drm/radeon/radeon_encoders.c
index 06e413e6a920..4b27efa4405b 100644
--- a/drivers/gpu/drm/radeon/radeon_encoders.c
+++ b/drivers/gpu/drm/radeon/radeon_encoders.c
@@ -233,13 +233,12 @@ u16 radeon_encoder_get_dp_bridge_encoder_id(struct drm_encoder *encoder)
                switch (radeon_encoder->encoder_id) {
                case ENCODER_OBJECT_ID_TRAVIS:
                case ENCODER_OBJECT_ID_NUTMEG:
-                        return true;
+                        return radeon_encoder->encoder_id;
                default:
-                        return false;
+                        return ENCODER_OBJECT_ID_NONE;
                }
        }
+        return ENCODER_OBJECT_ID_NONE;
-        return false;
 }
 void radeon_panel_mode_fixup(struct drm_encoder *encoder,
diff --git a/drivers/gpu/drm/radeon/radeon_legacy_crtc.c b/drivers/gpu/drm/radeon/radeon_legacy_crtc.c
index 95b93604b679..25a19c483075 100644
--- a/drivers/gpu/drm/radeon/radeon_legacy_crtc.c
+++ b/drivers/gpu/drm/radeon/radeon_legacy_crtc.c
@@ -991,12 +991,6 @@ static bool radeon_crtc_mode_fixup(struct drm_crtc *crtc,
                                   struct drm_display_mode *mode,
                                   struct drm_display_mode *adjusted_mode)
 {
-        struct drm_device *dev = crtc->dev;
-        struct radeon_device *rdev = dev->dev_private;
-        /* adjust pm to upcoming mode change */
-        radeon_pm_compute_clocks(rdev);
        if (!radeon_crtc_scaling_mode_fixup(crtc, mode, adjusted_mode))
                return false;
        return true;
diff --git a/drivers/gpu/drm/radeon/radeon_pm.c b/drivers/gpu/drm/radeon/radeon_pm.c
index 6fabe89fa6a1..78a665bd9519 100644
--- a/drivers/gpu/drm/radeon/radeon_pm.c
+++ b/drivers/gpu/drm/radeon/radeon_pm.c
@@ -53,6 +53,24 @@ static void radeon_pm_set_clocks(struct radeon_device *rdev);
 #define ACPI_AC_CLASS           "ac_adapter"
+int radeon_pm_get_type_index(struct radeon_device *rdev,
+                             enum radeon_pm_state_type ps_type,
+                             int instance)
+{
+        int i;
+        int found_instance = -1;
+        for (i = 0; i < rdev->pm.num_power_states; i++) {
+                if (rdev->pm.power_state[i].type == ps_type) {
+                        found_instance++;
+                        if (found_instance == instance)
+                                return i;
+                }
+        }
+        /* return default if no match */
+        return rdev->pm.default_power_state_index;
+}
 #ifdef CONFIG_ACPI
 static int radeon_acpi_event(struct notifier_block *nb,
                             unsigned long val,
diff --git a/drivers/gpu/drm/radeon/rs600.c b/drivers/gpu/drm/radeon/rs600.c
index 481b99e89f65..b1053d640423 100644
--- a/drivers/gpu/drm/radeon/rs600.c
+++ b/drivers/gpu/drm/radeon/rs600.c
@@ -62,6 +62,7 @@ u32 rs600_page_flip(struct radeon_device *rdev, int crtc_id, u64 crtc_base)
 {
        struct radeon_crtc *radeon_crtc = rdev->mode_info.crtcs[crtc_id];
        u32 tmp = RREG32(AVIVO_D1GRPH_UPDATE + radeon_crtc->crtc_offset);
+        int i;
        /* Lock the graphics update lock */
        tmp |= AVIVO_D1GRPH_UPDATE_LOCK;
@@ -74,7 +75,11 @@ u32 rs600_page_flip(struct radeon_device *rdev, int crtc_id, u64 crtc_base)
               (u32)crtc_base);
        /* Wait for update_pending to go high. */
-        while (!(RREG32(AVIVO_D1GRPH_UPDATE + radeon_crtc->crtc_offset) & AVIVO_D1GRPH_SURFACE_UPDATE_PENDING));
+        for (i = 0; i < rdev->usec_timeout; i++) {
+                if (RREG32(AVIVO_D1GRPH_UPDATE + radeon_crtc->crtc_offset) & AVIVO_D1GRPH_SURFACE_UPDATE_PENDING)
+                        break;
+                udelay(1);
+        }
        DRM_DEBUG("Update pending now high. Unlocking vupdate_lock.\n");
        /* Unlock the lock, so double-buffering can take place inside vblank */
diff --git a/drivers/gpu/drm/radeon/rv770.c b/drivers/gpu/drm/radeon/rv770.c
index a983f410ab89..23ae1c60ab3d 100644
--- a/drivers/gpu/drm/radeon/rv770.c
+++ b/drivers/gpu/drm/radeon/rv770.c
@@ -47,6 +47,7 @@ u32 rv770_page_flip(struct radeon_device *rdev, int crtc_id, u64 crtc_base)
 {
        struct radeon_crtc *radeon_crtc = rdev->mode_info.crtcs[crtc_id];
        u32 tmp = RREG32(AVIVO_D1GRPH_UPDATE + radeon_crtc->crtc_offset);
+        int i;
        /* Lock the graphics update lock */
        tmp |= AVIVO_D1GRPH_UPDATE_LOCK;
@@ -66,7 +67,11 @@ u32 rv770_page_flip(struct radeon_device *rdev, int crtc_id, u64 crtc_base)
               (u32)crtc_base);
        /* Wait for update_pending to go high. */
-        while (!(RREG32(AVIVO_D1GRPH_UPDATE + radeon_crtc->crtc_offset) & AVIVO_D1GRPH_SURFACE_UPDATE_PENDING));
+        for (i = 0; i < rdev->usec_timeout; i++) {
+                if (RREG32(AVIVO_D1GRPH_UPDATE + radeon_crtc->crtc_offset) & AVIVO_D1GRPH_SURFACE_UPDATE_PENDING)
+                        break;
+                udelay(1);
+        }
        DRM_DEBUG("Update pending now high. Unlocking vupdate_lock.\n");
        /* Unlock the lock, so double-buffering can take place inside vblank */
diff --git a/drivers/gpu/drm/ttm/ttm_bo.c b/drivers/gpu/drm/ttm/ttm_bo.c
index 119b6e3ff906..2f0eab66ece6 100644
--- a/drivers/gpu/drm/ttm/ttm_bo.c
+++ b/drivers/gpu/drm/ttm/ttm_bo.c
@@ -562,10 +562,16 @@ retry:
                return ret;
        spin_lock(&glob->lru_lock);
+        if (unlikely(list_empty(&bo->ddestroy))) {
+                spin_unlock(&glob->lru_lock);
+                return 0;
+        }
        ret = ttm_bo_reserve_locked(bo, interruptible,
                                    no_wait_reserve, false, 0);
-        if (unlikely(ret != 0) || list_empty(&bo->ddestroy)) {
+        if (unlikely(ret != 0)) {
                spin_unlock(&glob->lru_lock);
                return ret;
        }
diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_ioctl.c b/drivers/gpu/drm/vmwgfx/vmwgfx_ioctl.c
index 3f6343502d1f..5ff561d4e0b4 100644
--- a/drivers/gpu/drm/vmwgfx/vmwgfx_ioctl.c
+++ b/drivers/gpu/drm/vmwgfx/vmwgfx_ioctl.c
@@ -140,7 +140,7 @@ int vmw_present_ioctl(struct drm_device *dev, void *data,
                goto out_clips;
        }
-        clips = kzalloc(num_clips * sizeof(*clips), GFP_KERNEL);
+        clips = kcalloc(num_clips, sizeof(*clips), GFP_KERNEL);
        if (clips == NULL) {
                DRM_ERROR("Failed to allocate clip rect list.\n");
                ret = -ENOMEM;
@@ -232,7 +232,7 @@ int vmw_present_readback_ioctl(struct drm_device *dev, void *data,
                goto out_clips;
        }
-        clips = kzalloc(num_clips * sizeof(*clips), GFP_KERNEL);
+        clips = kcalloc(num_clips, sizeof(*clips), GFP_KERNEL);
        if (clips == NULL) {
                DRM_ERROR("Failed to allocate clip rect list.\n");
                ret = -ENOMEM;
diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_kms.c b/drivers/gpu/drm/vmwgfx/vmwgfx_kms.c
index 0585987f2945..1748a7142aca 100644
--- a/drivers/gpu/drm/vmwgfx/vmwgfx_kms.c
+++ b/drivers/gpu/drm/vmwgfx/vmwgfx_kms.c
@@ -105,6 +105,10 @@ int vmw_du_crtc_cursor_set(struct drm_crtc *crtc, struct drm_file *file_priv,
        struct vmw_dma_buffer *dmabuf = NULL;
        int ret;
+        /* A lot of the code assumes this */
+        if (handle && (width != 64 || height != 64))
+                return -EINVAL;
        if (handle) {
                ret = vmw_user_surface_lookup_handle(dev_priv, tfile,
                                                     handle, &surface);
@@ -410,8 +414,9 @@ static int do_surface_dirty_sou(struct vmw_private *dev_priv,
        top = clips->y1;
        bottom = clips->y2;
-        clips_ptr = clips;
+        /* skip the first clip rect */
-        for (i = 1; i < num_clips; i++, clips_ptr += inc) {
+        for (i = 1, clips_ptr = clips + inc;
+             i < num_clips; i++, clips_ptr += inc) {
                left = min_t(int, left, (int)clips_ptr->x1);
                right = max_t(int, right, (int)clips_ptr->x2);
                top = min_t(int, top, (int)clips_ptr->y1);
@@ -1331,7 +1336,10 @@ int vmw_kms_close(struct vmw_private *dev_priv)
         * drm_encoder_cleanup which takes the lock we deadlock.
         */
        drm_mode_config_cleanup(dev_priv->dev);
-        vmw_kms_close_legacy_display_system(dev_priv);
+        if (dev_priv->sou_priv)
+                vmw_kms_close_screen_object_display(dev_priv);
+        else
+                vmw_kms_close_legacy_display_system(dev_priv);
        return 0;
 }
@@ -1809,7 +1817,8 @@ int vmw_kms_update_layout_ioctl(struct drm_device *dev, void *data,
        }
        rects_size = arg->num_outputs * sizeof(struct drm_vmw_rect);
-        rects = kzalloc(rects_size, GFP_KERNEL);
+        rects = kcalloc(arg->num_outputs, sizeof(struct drm_vmw_rect),
+                        GFP_KERNEL);
        if (unlikely(!rects)) {
                ret = -ENOMEM;
                goto out_unlock;
@@ -1824,10 +1833,10 @@ int vmw_kms_update_layout_ioctl(struct drm_device *dev, void *data,
        }
        for (i = 0; i < arg->num_outputs; ++i) {
-                if (rects->x < 0 ||
+                if (rects[i].x < 0 ||
-                    rects->y < 0 ||
+                    rects[i].y < 0 ||
-                    rects->x + rects->w > mode_config->max_width ||
+                    rects[i].x + rects[i].w > mode_config->max_width ||
-                    rects->y + rects->h > mode_config->max_height) {
+                    rects[i].y + rects[i].h > mode_config->max_height) {
                        DRM_ERROR("Invalid GUI layout.\n");
                        ret = -EINVAL;
                        goto out_free;
diff --git a/drivers/gpu/vga/vgaarb.c b/drivers/gpu/vga/vgaarb.c
index c72f1c0b5e63..111d956d8e7d 100644
--- a/drivers/gpu/vga/vgaarb.c
+++ b/drivers/gpu/vga/vgaarb.c
@@ -465,31 +465,29 @@ static void vga_arbiter_check_bridge_sharing(struct vga_device *vgadev)
        while (new_bus) {
                new_bridge = new_bus->self;
-                if (new_bridge) {
+                /* go through list of devices already registered */
-                        /* go through list of devices already registered */
+                list_for_each_entry(same_bridge_vgadev, &vga_list, list) {
-                        list_for_each_entry(same_bridge_vgadev, &vga_list, list) {
+                        bus = same_bridge_vgadev->pdev->bus;
-                                bus = same_bridge_vgadev->pdev->bus;
+                        bridge = bus->self;
-                                bridge = bus->self;
+                        /* see if the share a bridge with this device */
-                                /* see if the share a bridge with this device */
+                        if (new_bridge == bridge) {
-                                if (new_bridge == bridge) {
+                                /* if their direct parent bridge is the same
-                                        /* if their direct parent bridge is the same
+                                   as any bridge of this device then it can't be used
-                                           as any bridge of this device then it can't be used
+                                   for that device */
-                                           for that device */
+                                same_bridge_vgadev->bridge_has_one_vga = false;
-                                        same_bridge_vgadev->bridge_has_one_vga = false;
+                        }
-                                }
-                                /* now iterate the previous devices bridge hierarchy */
+                        /* now iterate the previous devices bridge hierarchy */
-                                /* if the new devices parent bridge is in the other devices
+                        /* if the new devices parent bridge is in the other devices
-                                   hierarchy then we can't use it to control this device */
+                           hierarchy then we can't use it to control this device */
-                                while (bus) {
+                        while (bus) {
-                                        bridge = bus->self;
+                                bridge = bus->self;
-                                        if (bridge) {
+                                if (bridge) {
-                                                if (bridge == vgadev->pdev->bus->self)
+                                        if (bridge == vgadev->pdev->bus->self)
-                                                        vgadev->bridge_has_one_vga = false;
+                                                vgadev->bridge_has_one_vga = false;
-                                        }
-                                        bus = bus->parent;
                                }
+                                bus = bus->parent;
                        }
                }
                new_bus = new_bus->parent;
@@ -993,14 +991,20 @@ static ssize_t vga_arb_write(struct file *file, const char __user * buf,
                                uc = &priv->cards[i];
                }
-                if (!uc)
+                if (!uc) {
-                        return -EINVAL;
+                        ret_val = -EINVAL;
+                        goto done;
+                }
-                if (io_state & VGA_RSRC_LEGACY_IO && uc->io_cnt == 0)
+                if (io_state & VGA_RSRC_LEGACY_IO && uc->io_cnt == 0) {
-                        return -EINVAL;
+                        ret_val = -EINVAL;
+                        goto done;
+                }
-                if (io_state & VGA_RSRC_LEGACY_MEM && uc->mem_cnt == 0)
+                if (io_state & VGA_RSRC_LEGACY_MEM && uc->mem_cnt == 0) {
-                        return -EINVAL;
+                        ret_val = -EINVAL;
+                        goto done;
+                }
                vga_put(pdev, io_state);
diff --git a/drivers/hid/hid-core.c b/drivers/hid/hid-core.c
index 848a56c0279c..af353842f75f 100644
--- a/drivers/hid/hid-core.c
+++ b/drivers/hid/hid-core.c
@@ -1771,8 +1771,8 @@ static const struct hid_device_id hid_ignore_list[] = {
        { HID_USB_DEVICE(USB_VENDOR_ID_ESSENTIAL_REALITY, USB_DEVICE_ID_ESSENTIAL_REALITY_P5) },
        { HID_USB_DEVICE(USB_VENDOR_ID_ETT, USB_DEVICE_ID_TC5UH) },
        { HID_USB_DEVICE(USB_VENDOR_ID_ETT, USB_DEVICE_ID_TC4UM) },
+        { HID_USB_DEVICE(USB_VENDOR_ID_GENERAL_TOUCH, 0x0001) },
        { HID_USB_DEVICE(USB_VENDOR_ID_GENERAL_TOUCH, 0x0002) },
-        { HID_USB_DEVICE(USB_VENDOR_ID_GENERAL_TOUCH, 0x0003) },
        { HID_USB_DEVICE(USB_VENDOR_ID_GENERAL_TOUCH, 0x0004) },
        { HID_USB_DEVICE(USB_VENDOR_ID_GLAB, USB_DEVICE_ID_4_PHIDGETSERVO_30) },
        { HID_USB_DEVICE(USB_VENDOR_ID_GLAB, USB_DEVICE_ID_1_PHIDGETSERVO_30) },
diff --git a/drivers/hid/hid-ids.h b/drivers/hid/hid-ids.h
index 06ce996b8b65..4a441a6f9967 100644
--- a/drivers/hid/hid-ids.h
+++ b/drivers/hid/hid-ids.h
@@ -266,7 +266,7 @@
 #define USB_DEVICE_ID_GAMERON_DUAL_PCS_ADAPTOR  0x0002
 #define USB_VENDOR_ID_GENERAL_TOUCH     0x0dfc
-#define USB_DEVICE_ID_GENERAL_TOUCH_WIN7_TWOFINGERS 0x0001
+#define USB_DEVICE_ID_GENERAL_TOUCH_WIN7_TWOFINGERS 0x0003
 #define USB_VENDOR_ID_GLAB              0x06c2
 #define USB_DEVICE_ID_4_PHIDGETSERVO_30 0x0038
diff --git a/drivers/hwmon/Kconfig b/drivers/hwmon/Kconfig
index 9ec854ae118b..91be41f60809 100644
--- a/drivers/hwmon/Kconfig
+++ b/drivers/hwmon/Kconfig
@@ -315,7 +315,7 @@ config SENSORS_DS1621
 config SENSORS_EXYNOS4_TMU
        tristate "Temperature sensor on Samsung EXYNOS4"
-        depends on EXYNOS4_DEV_TMU
+        depends on ARCH_EXYNOS4
        help
          If you say yes here you get support for TMU (Thermal Managment
          Unit) on SAMSUNG EXYNOS4 series of SoC.
diff --git a/drivers/hwmon/ad7314.c b/drivers/hwmon/ad7314.c
index 318e38e85376..5d760f3d21c2 100644
--- a/drivers/hwmon/ad7314.c
+++ b/drivers/hwmon/ad7314.c
@@ -160,7 +160,6 @@ MODULE_DEVICE_TABLE(spi, ad7314_id);
 static struct spi_driver ad7314_driver = {
        .driver = {
                .name = "ad7314",
-                .bus = &spi_bus_type,
                .owner = THIS_MODULE,
        },
        .probe = ad7314_probe,
diff --git a/drivers/hwmon/ads7871.c b/drivers/hwmon/ads7871.c
index 52319340e182..04450f8bf5da 100644
--- a/drivers/hwmon/ads7871.c
+++ b/drivers/hwmon/ads7871.c
@@ -227,7 +227,6 @@ static int __devexit ads7871_remove(struct spi_device *spi)
 static struct spi_driver ads7871_driver = {
        .driver = {
                .name = DEVICE_NAME,
-                .bus = &spi_bus_type,
                .owner = THIS_MODULE,
        },
diff --git a/drivers/hwmon/exynos4_tmu.c b/drivers/hwmon/exynos4_tmu.c
index faa0884f61f6..f2359a0093bd 100644
--- a/drivers/hwmon/exynos4_tmu.c
+++ b/drivers/hwmon/exynos4_tmu.c
@@ -506,17 +506,7 @@ static struct platform_driver exynos4_tmu_driver = {
        .resume = exynos4_tmu_resume,
 };
-static int __init exynos4_tmu_driver_init(void)
+module_platform_driver(exynos4_tmu_driver);
-{
-        return platform_driver_register(&exynos4_tmu_driver);
-}
-module_init(exynos4_tmu_driver_init);
-static void __exit exynos4_tmu_driver_exit(void)
-{
-        platform_driver_unregister(&exynos4_tmu_driver);
-}
-module_exit(exynos4_tmu_driver_exit);
 MODULE_DESCRIPTION("EXYNOS4 TMU Driver");
 MODULE_AUTHOR("Donggeun Kim <dg77.kim@samsung.com>");
diff --git a/drivers/hwmon/gpio-fan.c b/drivers/hwmon/gpio-fan.c
index 89aa9fb743af..9ba38f318ffb 100644
--- a/drivers/hwmon/gpio-fan.c
+++ b/drivers/hwmon/gpio-fan.c
@@ -539,18 +539,7 @@ static struct platform_driver gpio_fan_driver = {
        },
 };
-static int __init gpio_fan_init(void)
+module_platform_driver(gpio_fan_driver);
-{
-        return platform_driver_register(&gpio_fan_driver);
-}
-static void __exit gpio_fan_exit(void)
-{
-        platform_driver_unregister(&gpio_fan_driver);
-}
-module_init(gpio_fan_init);
-module_exit(gpio_fan_exit);
 MODULE_AUTHOR("Simon Guinot <sguinot@lacie.com>");
 MODULE_DESCRIPTION("GPIO FAN driver");
diff --git a/drivers/hwmon/jz4740-hwmon.c b/drivers/hwmon/jz4740-hwmon.c
index fea292d43407..5253d23361d9 100644
--- a/drivers/hwmon/jz4740-hwmon.c
+++ b/drivers/hwmon/jz4740-hwmon.c
@@ -59,7 +59,7 @@ static ssize_t jz4740_hwmon_read_adcin(struct device *dev,
 {
        struct jz4740_hwmon *hwmon = dev_get_drvdata(dev);
        struct completion *completion = &hwmon->read_completion;
-        unsigned long t;
+        long t;
        unsigned long val;
        int ret;
@@ -203,7 +203,7 @@ static int __devexit jz4740_hwmon_remove(struct platform_device *pdev)
        return 0;
 }
-struct platform_driver jz4740_hwmon_driver = {
+static struct platform_driver jz4740_hwmon_driver = {
        .probe  = jz4740_hwmon_probe,
        .remove = __devexit_p(jz4740_hwmon_remove),
        .driver = {
@@ -212,17 +212,7 @@ struct platform_driver jz4740_hwmon_driver = {
        },
 };
-static int __init jz4740_hwmon_init(void)
+module_platform_driver(jz4740_hwmon_driver);
-{
-        return platform_driver_register(&jz4740_hwmon_driver);
-}
-module_init(jz4740_hwmon_init);
-static void __exit jz4740_hwmon_exit(void)
-{
-        platform_driver_unregister(&jz4740_hwmon_driver);
-}
-module_exit(jz4740_hwmon_exit);
 MODULE_DESCRIPTION("JZ4740 SoC HWMON driver");
 MODULE_AUTHOR("Lars-Peter Clausen <lars@metafoo.de>");
diff --git a/drivers/hwmon/ntc_thermistor.c b/drivers/hwmon/ntc_thermistor.c
index eab11615dced..9b382ec2c3bd 100644
--- a/drivers/hwmon/ntc_thermistor.c
+++ b/drivers/hwmon/ntc_thermistor.c
@@ -432,19 +432,7 @@ static struct platform_driver ntc_thermistor_driver = {
        .id_table = ntc_thermistor_id,
 };
-static int __init ntc_thermistor_init(void)
+module_platform_driver(ntc_thermistor_driver);
-{
-        return platform_driver_register(&ntc_thermistor_driver);
-}
-module_init(ntc_thermistor_init);
-static void __exit ntc_thermistor_cleanup(void)
-{
-        platform_driver_unregister(&ntc_thermistor_driver);
-}
-module_exit(ntc_thermistor_cleanup);
 MODULE_DESCRIPTION("NTC Thermistor Driver");
 MODULE_AUTHOR("MyungJoo Ham <myungjoo.ham@samsung.com>");
diff --git a/drivers/hwmon/s3c-hwmon.c b/drivers/hwmon/s3c-hwmon.c
index b39f52e2752a..f6c26d19f521 100644
--- a/drivers/hwmon/s3c-hwmon.c
+++ b/drivers/hwmon/s3c-hwmon.c
@@ -393,18 +393,7 @@ static struct platform_driver s3c_hwmon_driver = {
        .remove         = __devexit_p(s3c_hwmon_remove),
 };
-static int __init s3c_hwmon_init(void)
+module_platform_driver(s3c_hwmon_driver);
-{
-        return platform_driver_register(&s3c_hwmon_driver);
-}
-static void __exit s3c_hwmon_exit(void)
-{
-        platform_driver_unregister(&s3c_hwmon_driver);
-}
-module_init(s3c_hwmon_init);
-module_exit(s3c_hwmon_exit);
 MODULE_AUTHOR("Ben Dooks <ben@simtec.co.uk>");
 MODULE_DESCRIPTION("S3C ADC HWMon driver");
diff --git a/drivers/hwmon/sch5627.c b/drivers/hwmon/sch5627.c
index e3b5c6039c25..79b6dabe3161 100644
--- a/drivers/hwmon/sch5627.c
+++ b/drivers/hwmon/sch5627.c
@@ -590,19 +590,8 @@ static struct platform_driver sch5627_driver = {
        .remove         = sch5627_remove,
 };
-static int __init sch5627_init(void)
+module_platform_driver(sch5627_driver);
-{
-        return platform_driver_register(&sch5627_driver);
-}
-static void __exit sch5627_exit(void)
-{
-        platform_driver_unregister(&sch5627_driver);
-}
 MODULE_DESCRIPTION("SMSC SCH5627 Hardware Monitoring Driver");
 MODULE_AUTHOR("Hans de Goede <hdegoede@redhat.com>");
 MODULE_LICENSE("GPL");
-module_init(sch5627_init);
-module_exit(sch5627_exit);
diff --git a/drivers/hwmon/sch5636.c b/drivers/hwmon/sch5636.c
index 244407aa79fc..9d5236fb09b4 100644
--- a/drivers/hwmon/sch5636.c
+++ b/drivers/hwmon/sch5636.c
@@ -521,19 +521,8 @@ static struct platform_driver sch5636_driver = {
        .remove         = sch5636_remove,
 };
-static int __init sch5636_init(void)
+module_platform_driver(sch5636_driver);
-{
-        return platform_driver_register(&sch5636_driver);
-}
-static void __exit sch5636_exit(void)
-{
-        platform_driver_unregister(&sch5636_driver);
-}
 MODULE_DESCRIPTION("SMSC SCH5636 Hardware Monitoring Driver");
 MODULE_AUTHOR("Hans de Goede <hdegoede@redhat.com>");
 MODULE_LICENSE("GPL");
-module_init(sch5636_init);
-module_exit(sch5636_exit);
diff --git a/drivers/hwmon/twl4030-madc-hwmon.c b/drivers/hwmon/twl4030-madc-hwmon.c
index 57240740b161..0018c7dd0097 100644
--- a/drivers/hwmon/twl4030-madc-hwmon.c
+++ b/drivers/hwmon/twl4030-madc-hwmon.c
@@ -136,19 +136,7 @@ static struct platform_driver twl4030_madc_hwmon_driver = {
                   },
 };
-static int __init twl4030_madc_hwmon_init(void)
+module_platform_driver(twl4030_madc_hwmon_driver);
-{
-        return platform_driver_register(&twl4030_madc_hwmon_driver);
-}
-module_init(twl4030_madc_hwmon_init);
-static void __exit twl4030_madc_hwmon_exit(void)
-{
-        platform_driver_unregister(&twl4030_madc_hwmon_driver);
-}
-module_exit(twl4030_madc_hwmon_exit);
 MODULE_DESCRIPTION("TWL4030 ADC Hwmon driver");
 MODULE_LICENSE("GPL");
diff --git a/drivers/hwmon/ultra45_env.c b/drivers/hwmon/ultra45_env.c
index 3cd07bf42dca..b9a87e89bab4 100644
--- a/drivers/hwmon/ultra45_env.c
+++ b/drivers/hwmon/ultra45_env.c
@@ -309,15 +309,4 @@ static struct platform_driver env_driver = {
        .remove         = __devexit_p(env_remove),
 };
-static int __init env_init(void)
+module_platform_driver(env_driver);
-{
-        return platform_driver_register(&env_driver);
-}
-static void __exit env_exit(void)
-{
-        platform_driver_unregister(&env_driver);
-}
-module_init(env_init);
-module_exit(env_exit);
diff --git a/drivers/hwmon/wm831x-hwmon.c b/drivers/hwmon/wm831x-hwmon.c
index 97b1f834a471..9b598ed26020 100644
--- a/drivers/hwmon/wm831x-hwmon.c
+++ b/drivers/hwmon/wm831x-hwmon.c
@@ -209,17 +209,7 @@ static struct platform_driver wm831x_hwmon_driver = {
        },
 };
-static int __init wm831x_hwmon_init(void)
+module_platform_driver(wm831x_hwmon_driver);
-{
-        return platform_driver_register(&wm831x_hwmon_driver);
-}
-module_init(wm831x_hwmon_init);
-static void __exit wm831x_hwmon_exit(void)
-{
-        platform_driver_unregister(&wm831x_hwmon_driver);
-}
-module_exit(wm831x_hwmon_exit);
 MODULE_AUTHOR("Mark Brown <broonie@opensource.wolfsonmicro.com>");
 MODULE_DESCRIPTION("WM831x Hardware Monitoring");
diff --git a/drivers/hwmon/wm8350-hwmon.c b/drivers/hwmon/wm8350-hwmon.c
index 13290595ca86..3ff67edbdc44 100644
--- a/drivers/hwmon/wm8350-hwmon.c
+++ b/drivers/hwmon/wm8350-hwmon.c
@@ -133,17 +133,7 @@ static struct platform_driver wm8350_hwmon_driver = {
        },
 };
-static int __init wm8350_hwmon_init(void)
+module_platform_driver(wm8350_hwmon_driver);
-{
-        return platform_driver_register(&wm8350_hwmon_driver);
-}
-module_init(wm8350_hwmon_init);
-static void __exit wm8350_hwmon_exit(void)
-{
-        platform_driver_unregister(&wm8350_hwmon_driver);
-}
-module_exit(wm8350_hwmon_exit);
 MODULE_AUTHOR("Mark Brown <broonie@opensource.wolfsonmicro.com>");
 MODULE_DESCRIPTION("WM8350 Hardware Monitoring");
diff --git a/drivers/hwspinlock/u8500_hsem.c b/drivers/hwspinlock/u8500_hsem.c
index 143461a95ae4..86980fe04117 100644
--- a/drivers/hwspinlock/u8500_hsem.c
+++ b/drivers/hwspinlock/u8500_hsem.c
@@ -21,6 +21,7 @@
 * General Public License for more details.
 */
+#include <linux/module.h>
 #include <linux/delay.h>
 #include <linux/io.h>
 #include <linux/pm_runtime.h>
@@ -108,10 +109,8 @@ static int __devinit u8500_hsem_probe(struct platform_device *pdev)
                return -ENODEV;
        io_base = ioremap(res->start, resource_size(res));
-        if (!io_base) {
+        if (!io_base)
-                ret = -ENOMEM;
+                return -ENOMEM;
-                goto free_state;
-        }
        /* make sure protocol 1 is selected */
        val = readl(io_base + HSEM_CTRL_REG);
diff --git a/drivers/i2c/algos/i2c-algo-bit.c b/drivers/i2c/algos/i2c-algo-bit.c
index 85584a547c25..525c7345fa0b 100644
--- a/drivers/i2c/algos/i2c-algo-bit.c
+++ b/drivers/i2c/algos/i2c-algo-bit.c
@@ -488,7 +488,7 @@ static int bit_doAddress(struct i2c_adapter *i2c_adap, struct i2c_msg *msg)
        if (flags & I2C_M_TEN) {
                /* a ten bit address */
-                addr = 0xf0 | ((msg->addr >> 7) & 0x03);
+                addr = 0xf0 | ((msg->addr >> 7) & 0x06);
                bit_dbg(2, &i2c_adap->dev, "addr0: %d\n", addr);
                /* try extended address code...*/
                ret = try_address(i2c_adap, addr, retries);
@@ -498,7 +498,7 @@ static int bit_doAddress(struct i2c_adapter *i2c_adap, struct i2c_msg *msg)
                        return -ENXIO;
                }
                /* the remaining 8 bit address */
-                ret = i2c_outb(i2c_adap, msg->addr & 0x7f);
+                ret = i2c_outb(i2c_adap, msg->addr & 0xff);
                if ((ret != 1) && !nak_ok) {
                        /* the chip did not ack / xmission error occurred */
                        dev_err(&i2c_adap->dev, "died at 2nd address code\n");
diff --git a/drivers/i2c/busses/i2c-nuc900.c b/drivers/i2c/busses/i2c-nuc900.c
index 835e47b39bc2..03b615778887 100644
--- a/drivers/i2c/busses/i2c-nuc900.c
+++ b/drivers/i2c/busses/i2c-nuc900.c
@@ -593,7 +593,7 @@ static int __devinit nuc900_i2c_probe(struct platform_device *pdev)
        i2c->adap.algo_data = i2c;
        i2c->adap.dev.parent = &pdev->dev;
-        mfp_set_groupg(&pdev->dev);
+        mfp_set_groupg(&pdev->dev, NULL);
        clk_get_rate(i2c->clk);
diff --git a/drivers/i2c/i2c-core.c b/drivers/i2c/i2c-core.c
index 131079a3e292..1e5606185b4f 100644
--- a/drivers/i2c/i2c-core.c
+++ b/drivers/i2c/i2c-core.c
@@ -539,8 +539,10 @@ i2c_new_device(struct i2c_adapter *adap, struct i2c_board_info const *info)
        client->dev.type = &i2c_client_type;
        client->dev.of_node = info->of_node;
+        /* For 10-bit clients, add an arbitrary offset to avoid collisions */
        dev_set_name(&client->dev, "%d-%04x", i2c_adapter_id(adap),
-                     client->addr);
+                     client->addr | ((client->flags & I2C_CLIENT_TEN)
+                                     ? 0xa000 : 0));
        status = device_register(&client->dev);
        if (status)
                goto out_err;
diff --git a/drivers/i2c/i2c-dev.c b/drivers/i2c/i2c-dev.c
index c90ce50b619f..57a45ce84b2d 100644
--- a/drivers/i2c/i2c-dev.c
+++ b/drivers/i2c/i2c-dev.c
@@ -579,7 +579,7 @@ static int i2cdev_detach_adapter(struct device *dev, void *dummy)
        return 0;
 }
-int i2cdev_notifier_call(struct notifier_block *nb, unsigned long action,
+static int i2cdev_notifier_call(struct notifier_block *nb, unsigned long action,
                         void *data)
 {
        struct device *dev = data;
diff --git a/drivers/ide/cy82c693.c b/drivers/ide/cy82c693.c
index 67cbcfa35122..847553fd8b96 100644
--- a/drivers/ide/cy82c693.c
+++ b/drivers/ide/cy82c693.c
@@ -1,7 +1,7 @@
 /*
 *  Copyright (C) 1998-2000 Andreas S. Krebs (akrebs@altavista.net), Maintainer
 *  Copyright (C) 1998-2002 Andre Hedrick <andre@linux-ide.org>, Integrator
- *  Copyright (C) 2007-2010 Bartlomiej Zolnierkiewicz
+ *  Copyright (C) 2007-2011 Bartlomiej Zolnierkiewicz
 *
 * CYPRESS CY82C693 chipset IDE controller
 *
@@ -90,7 +90,7 @@ static void cy82c693_set_pio_mode(ide_hwif_t *hwif, ide_drive_t *drive)
        u8 time_16, time_8;
        /* select primary or secondary channel */
-        if (hwif->index > 0) {  /* drive is on the secondary channel */
+        if (drive->dn > 1) {  /* drive is on the secondary channel */
                dev = pci_get_slot(dev->bus, dev->devfn+1);
                if (!dev) {
                        printk(KERN_ERR "%s: tune_drive: "
@@ -141,7 +141,7 @@ static void cy82c693_set_pio_mode(ide_hwif_t *hwif, ide_drive_t *drive)
                pci_write_config_byte(dev, CY82_IDE_SLAVE_IOW, time_16);
                pci_write_config_byte(dev, CY82_IDE_SLAVE_8BIT, time_8);
        }
-        if (hwif->index > 0)
+        if (drive->dn > 1)
                pci_dev_put(dev);
 }
diff --git a/drivers/ide/icside.c b/drivers/ide/icside.c
index 4a697a238e28..8716066a2f2b 100644
--- a/drivers/ide/icside.c
+++ b/drivers/ide/icside.c
@@ -521,8 +521,8 @@ icside_register_v6(struct icside_state *state, struct expansion_card *ec)
        if (ec->dma != NO_DMA && !request_dma(ec->dma, DRV_NAME)) {
                d.init_dma = icside_dma_init;
                d.port_ops = &icside_v6_port_ops;
+        } else
                d.dma_ops = NULL;
-        }
        ret = ide_host_register(host, &d, hws);
        if (ret)
diff --git a/drivers/ide/ide-cd.c b/drivers/ide/ide-cd.c
index 04b09564bfa9..8126824daccb 100644
--- a/drivers/ide/ide-cd.c
+++ b/drivers/ide/ide-cd.c
@@ -43,7 +43,6 @@
 /* For SCSI -> ATAPI command conversion */
 #include <scsi/scsi.h>
-#include <linux/irq.h>
 #include <linux/io.h>
 #include <asm/byteorder.h>
 #include <linux/uaccess.h>
diff --git a/drivers/ide/ide-floppy.c b/drivers/ide/ide-floppy.c
index 61fdf544fbd6..3d42043fec51 100644
--- a/drivers/ide/ide-floppy.c
+++ b/drivers/ide/ide-floppy.c
@@ -35,7 +35,6 @@
 #include <scsi/scsi_ioctl.h>
 #include <asm/byteorder.h>
-#include <linux/irq.h>
 #include <linux/uaccess.h>
 #include <linux/io.h>
 #include <asm/unaligned.h>
diff --git a/drivers/ide/ide-tape.c b/drivers/ide/ide-tape.c
index 7ecb1ade8874..ce8237d36159 100644
--- a/drivers/ide/ide-tape.c
+++ b/drivers/ide/ide-tape.c
@@ -41,7 +41,6 @@
 #include <scsi/scsi.h>
 #include <asm/byteorder.h>
-#include <linux/irq.h>
 #include <linux/uaccess.h>
 #include <linux/io.h>
 #include <asm/unaligned.h>
diff --git a/drivers/ide/piix.c b/drivers/ide/piix.c
index b59d04c72051..1892e81fb00f 100644
--- a/drivers/ide/piix.c
+++ b/drivers/ide/piix.c
@@ -331,7 +331,7 @@ static const struct ide_port_ops ich_port_ops = {
                .udma_mask      = udma,                 \
        }
-#define DECLARE_ICH_DEV(udma) \
+#define DECLARE_ICH_DEV(mwdma, udma) \
        { \
                .name           = DRV_NAME, \
                .init_chipset   = init_chipset_ich, \
@@ -340,7 +340,7 @@ static const struct ide_port_ops ich_port_ops = {
                .port_ops       = &ich_port_ops, \
                .pio_mask       = ATA_PIO4, \
                .swdma_mask     = ATA_SWDMA2_ONLY, \
-                .mwdma_mask     = ATA_MWDMA12_ONLY, \
+                .mwdma_mask     = mwdma, \
                .udma_mask      = udma, \
        }
@@ -362,13 +362,15 @@ static const struct ide_port_info piix_pci_info[] __devinitdata = {
        /* 2: PIIX4 */
        DECLARE_PIIX_DEV(ATA_UDMA2),
        /* 3: ICH0 */
-        DECLARE_ICH_DEV(ATA_UDMA2),
+        DECLARE_ICH_DEV(ATA_MWDMA12_ONLY, ATA_UDMA2),
        /* 4: ICH */
-        DECLARE_ICH_DEV(ATA_UDMA4),
+        DECLARE_ICH_DEV(ATA_MWDMA12_ONLY, ATA_UDMA4),
        /* 5: PIIX4 */
        DECLARE_PIIX_DEV(ATA_UDMA4),
-        /* 6: ICH[2-7]/ICH[2-3]M/C-ICH/ICH5-SATA/ESB2/ICH8M */
+        /* 6: ICH[2-6]/ICH[2-3]M/C-ICH/ICH5-SATA/ESB2/ICH8M */
-        DECLARE_ICH_DEV(ATA_UDMA5),
+        DECLARE_ICH_DEV(ATA_MWDMA12_ONLY, ATA_UDMA5),
+        /* 7: ICH7/7-R, no MWDMA1 */
+        DECLARE_ICH_DEV(ATA_MWDMA2_ONLY, ATA_UDMA5),
 };
 /**
@@ -438,9 +440,9 @@ static const struct pci_device_id piix_pci_tbl[] = {
 #endif
        { PCI_VDEVICE(INTEL, PCI_DEVICE_ID_INTEL_ESB_2),      6 },
        { PCI_VDEVICE(INTEL, PCI_DEVICE_ID_INTEL_ICH6_19),    6 },
-        { PCI_VDEVICE(INTEL, PCI_DEVICE_ID_INTEL_ICH7_21),    6 },
+        { PCI_VDEVICE(INTEL, PCI_DEVICE_ID_INTEL_ICH7_21),    7 },
        { PCI_VDEVICE(INTEL, PCI_DEVICE_ID_INTEL_82801DB_1),  6 },
-        { PCI_VDEVICE(INTEL, PCI_DEVICE_ID_INTEL_ESB2_18),    6 },
+        { PCI_VDEVICE(INTEL, PCI_DEVICE_ID_INTEL_ESB2_18),    7 },
        { PCI_VDEVICE(INTEL, PCI_DEVICE_ID_INTEL_ICH8_6),     6 },
        { 0, },
 };
diff --git a/drivers/ide/triflex.c b/drivers/ide/triflex.c
index e53a1b78378b..281c91426345 100644
--- a/drivers/ide/triflex.c
+++ b/drivers/ide/triflex.c
@@ -113,12 +113,26 @@ static const struct pci_device_id triflex_pci_tbl[] = {
 };
 MODULE_DEVICE_TABLE(pci, triflex_pci_tbl);
+#ifdef CONFIG_PM
+static int triflex_ide_pci_suspend(struct pci_dev *dev, pm_message_t state)
+{
+        /*
+         * We must not disable or powerdown the device.
+         * APM bios refuses to suspend if IDE is not accessible.
+         */
+        pci_save_state(dev);
+        return 0;
+}
+#else
+#define triflex_ide_pci_suspend NULL
+#endif
 static struct pci_driver triflex_pci_driver = {
        .name           = "TRIFLEX_IDE",
        .id_table       = triflex_pci_tbl,
        .probe          = triflex_init_one,
        .remove         = ide_pci_remove,
-        .suspend        = ide_pci_suspend,
+        .suspend        = triflex_ide_pci_suspend,
        .resume         = ide_pci_resume,
 };
diff --git a/drivers/infiniband/core/addr.c b/drivers/infiniband/core/addr.c
index 691276bafd78..e9cf51b1343b 100644
--- a/drivers/infiniband/core/addr.c
+++ b/drivers/infiniband/core/addr.c
@@ -216,7 +216,9 @@ static int addr4_resolve(struct sockaddr_in *src_in,
        neigh = neigh_lookup(&arp_tbl, &rt->rt_gateway, rt->dst.dev);
        if (!neigh || !(neigh->nud_state & NUD_VALID)) {
+                rcu_read_lock();
                neigh_event_send(dst_get_neighbour(&rt->dst), NULL);
+                rcu_read_unlock();
                ret = -ENODATA;
                if (neigh)
                        goto release;
@@ -274,15 +276,16 @@ static int addr6_resolve(struct sockaddr_in6 *src_in,
                goto put;
        }
+        rcu_read_lock();
        neigh = dst_get_neighbour(dst);
        if (!neigh || !(neigh->nud_state & NUD_VALID)) {
                if (neigh)
                        neigh_event_send(neigh, NULL);
                ret = -ENODATA;
-                goto put;
+        } else {
+                ret = rdma_copy_addr(addr, dst->dev, neigh->ha);
        }
+        rcu_read_unlock();
-        ret = rdma_copy_addr(addr, dst->dev, neigh->ha);
 put:
        dst_release(dst);
        return ret;
diff --git a/drivers/infiniband/hw/cxgb3/iwch_cm.c b/drivers/infiniband/hw/cxgb3/iwch_cm.c
index de6d0774e609..c88b12beef25 100644
--- a/drivers/infiniband/hw/cxgb3/iwch_cm.c
+++ b/drivers/infiniband/hw/cxgb3/iwch_cm.c
@@ -1375,8 +1375,10 @@ static int pass_accept_req(struct t3cdev *tdev, struct sk_buff *skb, void *ctx)
                goto reject;
        }
        dst = &rt->dst;
+        rcu_read_lock();
        neigh = dst_get_neighbour(dst);
        l2t = t3_l2t_get(tdev, neigh, neigh->dev);
+        rcu_read_unlock();
        if (!l2t) {
                printk(KERN_ERR MOD "%s - failed to allocate l2t entry!\n",
                       __func__);
@@ -1946,10 +1948,12 @@ int iwch_connect(struct iw_cm_id *cm_id, struct iw_cm_conn_param *conn_param)
        }
        ep->dst = &rt->dst;
+        rcu_read_lock();
        neigh = dst_get_neighbour(ep->dst);
        /* get a l2t entry */
        ep->l2t = t3_l2t_get(ep->com.tdev, neigh, neigh->dev);
+        rcu_read_unlock();
        if (!ep->l2t) {
                printk(KERN_ERR MOD "%s - cannot alloc l2e.\n", __func__);
                err = -ENOMEM;
diff --git a/drivers/infiniband/hw/cxgb4/cm.c b/drivers/infiniband/hw/cxgb4/cm.c
index b36cdac9c558..0747004313ad 100644
--- a/drivers/infiniband/hw/cxgb4/cm.c
+++ b/drivers/infiniband/hw/cxgb4/cm.c
@@ -542,8 +542,10 @@ static void send_mpa_req(struct c4iw_ep *ep, struct sk_buff *skb,
                     (mpa_rev_to_use == 2 ? MPA_ENHANCED_RDMA_CONN : 0);
        mpa->private_data_size = htons(ep->plen);
        mpa->revision = mpa_rev_to_use;
-        if (mpa_rev_to_use == 1)
+        if (mpa_rev_to_use == 1) {
                ep->tried_with_mpa_v1 = 1;
+                ep->retry_with_mpa_v1 = 0;
+        }
        if (mpa_rev_to_use == 2) {
                mpa->private_data_size +=
@@ -1594,6 +1596,7 @@ static int pass_accept_req(struct c4iw_dev *dev, struct sk_buff *skb)
                goto reject;
        }
        dst = &rt->dst;
+        rcu_read_lock();
        neigh = dst_get_neighbour(dst);
        if (neigh->dev->flags & IFF_LOOPBACK) {
                pdev = ip_dev_find(&init_net, peer_ip);
@@ -1620,6 +1623,7 @@ static int pass_accept_req(struct c4iw_dev *dev, struct sk_buff *skb)
                rss_qid = dev->rdev.lldi.rxq_ids[
                          cxgb4_port_idx(neigh->dev) * step];
        }
+        rcu_read_unlock();
        if (!l2t) {
                printk(KERN_ERR MOD "%s - failed to allocate l2t entry!\n",
                       __func__);
@@ -1820,6 +1824,7 @@ static int c4iw_reconnect(struct c4iw_ep *ep)
        }
        ep->dst = &rt->dst;
+        rcu_read_lock();
        neigh = dst_get_neighbour(ep->dst);
        /* get a l2t entry */
@@ -1856,6 +1861,7 @@ static int c4iw_reconnect(struct c4iw_ep *ep)
                ep->rss_qid = ep->com.dev->rdev.lldi.rxq_ids[
                        cxgb4_port_idx(neigh->dev) * step];
        }
+        rcu_read_unlock();
        if (!ep->l2t) {
                printk(KERN_ERR MOD "%s - cannot alloc l2e.\n", __func__);
                err = -ENOMEM;
@@ -2301,6 +2307,7 @@ int c4iw_connect(struct iw_cm_id *cm_id, struct iw_cm_conn_param *conn_param)
        }
        ep->dst = &rt->dst;
+        rcu_read_lock();
        neigh = dst_get_neighbour(ep->dst);
        /* get a l2t entry */
@@ -2339,6 +2346,7 @@ int c4iw_connect(struct iw_cm_id *cm_id, struct iw_cm_conn_param *conn_param)
                ep->retry_with_mpa_v1 = 0;
                ep->tried_with_mpa_v1 = 0;
        }
+        rcu_read_unlock();
        if (!ep->l2t) {
                printk(KERN_ERR MOD "%s - cannot alloc l2e.\n", __func__);
                err = -ENOMEM;
diff --git a/drivers/infiniband/hw/cxgb4/cq.c b/drivers/infiniband/hw/cxgb4/cq.c
index f35a935267e7..0f1607c8325a 100644
--- a/drivers/infiniband/hw/cxgb4/cq.c
+++ b/drivers/infiniband/hw/cxgb4/cq.c
@@ -311,7 +311,7 @@ void c4iw_count_rcqes(struct t4_cq *cq, struct t4_wq *wq, int *count)
        while (ptr != cq->sw_pidx) {
                cqe = &cq->sw_queue[ptr];
                if (RQ_TYPE(cqe) && (CQE_OPCODE(cqe) != FW_RI_READ_RESP) &&
-                    (CQE_QPID(cqe) == wq->rq.qid) && cqe_completes_wr(cqe, wq))
+                    (CQE_QPID(cqe) == wq->sq.qid) && cqe_completes_wr(cqe, wq))
                        (*count)++;
                if (++ptr == cq->size)
                        ptr = 0;
diff --git a/drivers/infiniband/hw/nes/nes_cm.c b/drivers/infiniband/hw/nes/nes_cm.c
index dfce9ea98a39..0a52d72371ee 100644
--- a/drivers/infiniband/hw/nes/nes_cm.c
+++ b/drivers/infiniband/hw/nes/nes_cm.c
@@ -1377,9 +1377,11 @@ static int nes_addr_resolve_neigh(struct nes_vnic *nesvnic, u32 dst_ip, int arpi
                neigh_release(neigh);
        }
-        if ((neigh == NULL) || (!(neigh->nud_state & NUD_VALID)))
+        if ((neigh == NULL) || (!(neigh->nud_state & NUD_VALID))) {
+                rcu_read_lock();
                neigh_event_send(dst_get_neighbour(&rt->dst), NULL);
+                rcu_read_unlock();
+        }
        ip_rt_put(rt);
        return rc;
 }
diff --git a/drivers/infiniband/hw/qib/qib_iba7322.c b/drivers/infiniband/hw/qib/qib_iba7322.c
index 5bd2162b95dc..1d5895941e19 100644
--- a/drivers/infiniband/hw/qib/qib_iba7322.c
+++ b/drivers/infiniband/hw/qib/qib_iba7322.c
@@ -2307,19 +2307,11 @@ static int qib_7322_bringup_serdes(struct qib_pportdata *ppd)
                SYM_LSB(IBCCtrlA_0, MaxPktLen);
        ppd->cpspec->ibcctrl_a = ibc; /* without linkcmd or linkinitcmd! */
-        /* initially come up waiting for TS1, without sending anything. */
-        val = ppd->cpspec->ibcctrl_a | (QLOGIC_IB_IBCC_LINKINITCMD_DISABLE <<
-                QLOGIC_IB_IBCC_LINKINITCMD_SHIFT);
-        ppd->cpspec->ibcctrl_a = val;
        /*
         * Reset the PCS interface to the serdes (and also ibc, which is still
         * in reset from above).  Writes new value of ibcctrl_a as last step.
         */
        qib_7322_mini_pcs_reset(ppd);
-        qib_write_kreg(dd, kr_scratch, 0ULL);
-        /* clear the linkinit cmds */
-        ppd->cpspec->ibcctrl_a &= ~SYM_MASK(IBCCtrlA_0, LinkInitCmd);
        if (!ppd->cpspec->ibcctrl_b) {
                unsigned lse = ppd->link_speed_enabled;
@@ -2385,6 +2377,14 @@ static int qib_7322_bringup_serdes(struct qib_pportdata *ppd)
        ppd->cpspec->ibcctrl_a |= SYM_MASK(IBCCtrlA_0, IBLinkEn);
        set_vls(ppd);
+        /* initially come up DISABLED, without sending anything. */
+        val = ppd->cpspec->ibcctrl_a | (QLOGIC_IB_IBCC_LINKINITCMD_DISABLE <<
+                                        QLOGIC_IB_IBCC_LINKINITCMD_SHIFT);
+        qib_write_kreg_port(ppd, krp_ibcctrl_a, val);
+        qib_write_kreg(dd, kr_scratch, 0ULL);
+        /* clear the linkinit cmds */
+        ppd->cpspec->ibcctrl_a = val & ~SYM_MASK(IBCCtrlA_0, LinkInitCmd);
        /* be paranoid against later code motion, etc. */
        spin_lock_irqsave(&dd->cspec->rcvmod_lock, flags);
        ppd->p_rcvctrl |= SYM_MASK(RcvCtrl_0, RcvIBPortEnable);
@@ -5241,7 +5241,7 @@ static int qib_7322_ib_updown(struct qib_pportdata *ppd, int ibup, u64 ibcs)
                           off */
                        if (ppd->dd->flags & QIB_HAS_QSFP) {
                                qd->t_insert = get_jiffies_64();
-                                schedule_work(&qd->work);
+                                queue_work(ib_wq, &qd->work);
                        }
                        spin_lock_irqsave(&ppd->sdma_lock, flags);
                        if (__qib_sdma_running(ppd))
diff --git a/drivers/infiniband/hw/qib/qib_qsfp.c b/drivers/infiniband/hw/qib/qib_qsfp.c
index e06c4ed383f1..fa71b1e666c5 100644
--- a/drivers/infiniband/hw/qib/qib_qsfp.c
+++ b/drivers/infiniband/hw/qib/qib_qsfp.c
@@ -480,18 +480,6 @@ void qib_qsfp_init(struct qib_qsfp_data *qd,
        udelay(20); /* Generous RST dwell */
        dd->f_gpio_mod(dd, mask, mask, mask);
-        /* Spec says module can take up to two seconds! */
-        mask = QSFP_GPIO_MOD_PRS_N;
-        if (qd->ppd->hw_pidx)
-                mask <<= QSFP_GPIO_PORT2_SHIFT;
-        /* Do not try to wait here. Better to let event handle it */
-        if (!qib_qsfp_mod_present(qd->ppd))
-                goto bail;
-        /* We see a module, but it may be unwise to look yet. Just schedule */
-        qd->t_insert = get_jiffies_64();
-        queue_work(ib_wq, &qd->work);
-bail:
        return;
 }
diff --git a/drivers/infiniband/ulp/ipoib/ipoib_ib.c b/drivers/infiniband/ulp/ipoib/ipoib_ib.c
index 0ef9af94997d..4115be54ba3b 100644
--- a/drivers/infiniband/ulp/ipoib/ipoib_ib.c
+++ b/drivers/infiniband/ulp/ipoib/ipoib_ib.c
@@ -57,21 +57,24 @@ struct ipoib_ah *ipoib_create_ah(struct net_device *dev,
                                 struct ib_pd *pd, struct ib_ah_attr *attr)
 {
        struct ipoib_ah *ah;
+        struct ib_ah *vah;
        ah = kmalloc(sizeof *ah, GFP_KERNEL);
        if (!ah)
-                return NULL;
+                return ERR_PTR(-ENOMEM);
        ah->dev       = dev;
        ah->last_send = 0;
        kref_init(&ah->ref);
-        ah->ah = ib_create_ah(pd, attr);
+        vah = ib_create_ah(pd, attr);
-        if (IS_ERR(ah->ah)) {
+        if (IS_ERR(vah)) {
                kfree(ah);
-                ah = NULL;
+                ah = (struct ipoib_ah *)vah;
-        } else
+        } else {
+                ah->ah = vah;
                ipoib_dbg(netdev_priv(dev), "Created ah %p\n", ah->ah);
+        }
        return ah;
 }
diff --git a/drivers/infiniband/ulp/ipoib/ipoib_main.c b/drivers/infiniband/ulp/ipoib/ipoib_main.c
index 7567b6000230..83695b48b010 100644
--- a/drivers/infiniband/ulp/ipoib/ipoib_main.c
+++ b/drivers/infiniband/ulp/ipoib/ipoib_main.c
@@ -432,7 +432,7 @@ static void path_rec_completion(int status,
        spin_lock_irqsave(&priv->lock, flags);
-        if (ah) {
+        if (!IS_ERR_OR_NULL(ah)) {
                path->pathrec = *pathrec;
                old_ah   = path->ah;
@@ -555,6 +555,7 @@ static int path_rec_start(struct net_device *dev,
        return 0;
 }
+/* called with rcu_read_lock */
 static void neigh_add_path(struct sk_buff *skb, struct net_device *dev)
 {
        struct ipoib_dev_priv *priv = netdev_priv(dev);
@@ -636,6 +637,7 @@ err_drop:
        spin_unlock_irqrestore(&priv->lock, flags);
 }
+/* called with rcu_read_lock */
 static void ipoib_path_lookup(struct sk_buff *skb, struct net_device *dev)
 {
        struct ipoib_dev_priv *priv = netdev_priv(skb->dev);
@@ -720,13 +722,14 @@ static int ipoib_start_xmit(struct sk_buff *skb, struct net_device *dev)
        struct neighbour *n = NULL;
        unsigned long flags;
+        rcu_read_lock();
        if (likely(skb_dst(skb)))
                n = dst_get_neighbour(skb_dst(skb));
        if (likely(n)) {
                if (unlikely(!*to_ipoib_neigh(n))) {
                        ipoib_path_lookup(skb, dev);
-                        return NETDEV_TX_OK;
+                        goto unlock;
                }
                neigh = *to_ipoib_neigh(n);
@@ -749,17 +752,17 @@ static int ipoib_start_xmit(struct sk_buff *skb, struct net_device *dev)
                        ipoib_neigh_free(dev, neigh);
                        spin_unlock_irqrestore(&priv->lock, flags);
                        ipoib_path_lookup(skb, dev);
-                        return NETDEV_TX_OK;
+                        goto unlock;
                }
                if (ipoib_cm_get(neigh)) {
                        if (ipoib_cm_up(neigh)) {
                                ipoib_cm_send(dev, skb, ipoib_cm_get(neigh));
-                                return NETDEV_TX_OK;
+                                goto unlock;
                        }
                } else if (neigh->ah) {
                        ipoib_send(dev, skb, neigh->ah, IPOIB_QPN(n->ha));
-                        return NETDEV_TX_OK;
+                        goto unlock;
                }
                if (skb_queue_len(&neigh->queue) < IPOIB_MAX_PATH_REC_QUEUE) {
@@ -793,13 +796,14 @@ static int ipoib_start_xmit(struct sk_buff *skb, struct net_device *dev)
                                           phdr->hwaddr + 4);
                                dev_kfree_skb_any(skb);
                                ++dev->stats.tx_dropped;
-                                return NETDEV_TX_OK;
+                                goto unlock;
                        }
                        unicast_arp_send(skb, dev, phdr);
                }
        }
+unlock:
+        rcu_read_unlock();
        return NETDEV_TX_OK;
 }
@@ -837,7 +841,7 @@ static int ipoib_hard_header(struct sk_buff *skb,
        dst = skb_dst(skb);
        n = NULL;
        if (dst)
-                n = dst_get_neighbour(dst);
+                n = dst_get_neighbour_raw(dst);
        if ((!dst || !n) && daddr) {
                struct ipoib_pseudoheader *phdr =
                        (struct ipoib_pseudoheader *) skb_push(skb, sizeof *phdr);
diff --git a/drivers/infiniband/ulp/ipoib/ipoib_multicast.c b/drivers/infiniband/ulp/ipoib/ipoib_multicast.c
index 1b7a97686356..873bff97e69e 100644
--- a/drivers/infiniband/ulp/ipoib/ipoib_multicast.c
+++ b/drivers/infiniband/ulp/ipoib/ipoib_multicast.c
@@ -240,8 +240,11 @@ static int ipoib_mcast_join_finish(struct ipoib_mcast *mcast,
                av.grh.dgid = mcast->mcmember.mgid;
                ah = ipoib_create_ah(dev, priv->pd, &av);
-                if (!ah) {
+                if (IS_ERR(ah)) {
-                        ipoib_warn(priv, "ib_address_create failed\n");
+                        ipoib_warn(priv, "ib_address_create failed %ld\n",
+                                -PTR_ERR(ah));
+                        /* use original error */
+                        return PTR_ERR(ah);
                } else {
                        spin_lock_irq(&priv->lock);
                        mcast->ah = ah;
@@ -266,7 +269,7 @@ static int ipoib_mcast_join_finish(struct ipoib_mcast *mcast,
                skb->dev = dev;
                if (dst)
-                        n = dst_get_neighbour(dst);
+                        n = dst_get_neighbour_raw(dst);
                if (!dst || !n) {
                        /* put pseudoheader back on for next time */
                        skb_push(skb, sizeof (struct ipoib_pseudoheader));
@@ -722,6 +725,8 @@ out:
        if (mcast && mcast->ah) {
                struct dst_entry *dst = skb_dst(skb);
                struct neighbour *n = NULL;
+                rcu_read_lock();
                if (dst)
                        n = dst_get_neighbour(dst);
                if (n && !*to_ipoib_neigh(n)) {
@@ -734,7 +739,7 @@ out:
                                list_add_tail(&neigh->list, &mcast->neigh_list);
                        }
                }
+                rcu_read_unlock();
                spin_unlock_irqrestore(&priv->lock, flags);
                ipoib_send(dev, skb, mcast->ah, IB_MULTICAST_QPN);
                return;
diff --git a/drivers/input/mouse/elantech.c b/drivers/input/mouse/elantech.c
index 09b93b11a274..e2a9867c19d5 100644
--- a/drivers/input/mouse/elantech.c
+++ b/drivers/input/mouse/elantech.c
@@ -1210,18 +1210,28 @@ static int elantech_reconnect(struct psmouse *psmouse)
 */
 static int elantech_set_properties(struct elantech_data *etd)
 {
+        /* This represents the version of IC body. */
        int ver = (etd->fw_version & 0x0f0000) >> 16;
+        /* Early version of Elan touchpads doesn't obey the rule. */
        if (etd->fw_version < 0x020030 || etd->fw_version == 0x020600)
                etd->hw_version = 1;
-        else if (etd->fw_version < 0x150600)
+        else {
-                etd->hw_version = 2;
+                switch (ver) {
-        else if (ver == 5)
+                case 2:
-                etd->hw_version = 3;
+                case 4:
-        else if (ver == 6)
+                        etd->hw_version = 2;
-                etd->hw_version = 4;
+                        break;
-        else
+                case 5:
-                return -1;
+                        etd->hw_version = 3;
+                        break;
+                case 6:
+                        etd->hw_version = 4;
+                        break;
+                default:
+                        return -1;
+                }
+        }
        /*
         * Turn on packet checking by default.
diff --git a/drivers/input/serio/ams_delta_serio.c b/drivers/input/serio/ams_delta_serio.c
index 4b2a42f9f0bb..d4d08bd9205b 100644
--- a/drivers/input/serio/ams_delta_serio.c
+++ b/drivers/input/serio/ams_delta_serio.c
@@ -24,6 +24,7 @@
 #include <linux/irq.h>
 #include <linux/serio.h>
 #include <linux/slab.h>
+#include <linux/module.h>
 #include <asm/mach-types.h>
 #include <plat/board-ams-delta.h>
diff --git a/drivers/input/serio/i8042-x86ia64io.h b/drivers/input/serio/i8042-x86ia64io.h
index bb9f5d31f0d0..b4cfc6c8be89 100644
--- a/drivers/input/serio/i8042-x86ia64io.h
+++ b/drivers/input/serio/i8042-x86ia64io.h
@@ -431,6 +431,13 @@ static const struct dmi_system_id __initconst i8042_dmi_nomux_table[] = {
                        DMI_MATCH(DMI_PRODUCT_NAME, "Vostro V13"),
                },
        },
+        {
+                /* Newer HP Pavilion dv4 models */
+                .matches = {
+                        DMI_MATCH(DMI_SYS_VENDOR, "Hewlett-Packard"),
+                        DMI_MATCH(DMI_PRODUCT_NAME, "HP Pavilion dv4 Notebook PC"),
+                },
+        },
        { }
 };
@@ -560,6 +567,13 @@ static const struct dmi_system_id __initconst i8042_dmi_notimeout_table[] = {
                        DMI_MATCH(DMI_PRODUCT_NAME, "Vostro V13"),
                },
        },
+        {
+                /* Newer HP Pavilion dv4 models */
+                .matches = {
+                        DMI_MATCH(DMI_SYS_VENDOR, "Hewlett-Packard"),
+                        DMI_MATCH(DMI_PRODUCT_NAME, "HP Pavilion dv4 Notebook PC"),
+                },
+        },
        { }
 };
diff --git a/drivers/iommu/intel-iommu.c b/drivers/iommu/intel-iommu.c
index c0c7820d4c46..bdc447fd4766 100644
--- a/drivers/iommu/intel-iommu.c
+++ b/drivers/iommu/intel-iommu.c
@@ -405,6 +405,9 @@ int dmar_disabled = 0;
 int dmar_disabled = 1;
 #endif /*CONFIG_INTEL_IOMMU_DEFAULT_ON*/
+int intel_iommu_enabled = 0;
+EXPORT_SYMBOL_GPL(intel_iommu_enabled);
 static int dmar_map_gfx = 1;
 static int dmar_forcedac;
 static int intel_iommu_strict;
@@ -3524,7 +3527,7 @@ found:
        return 0;
 }
-int dmar_parse_rmrr_atsr_dev(void)
+int __init dmar_parse_rmrr_atsr_dev(void)
 {
        struct dmar_rmrr_unit *rmrr, *rmrr_n;
        struct dmar_atsr_unit *atsr, *atsr_n;
@@ -3647,6 +3650,8 @@ int __init intel_iommu_init(void)
        bus_register_notifier(&pci_bus_type, &device_nb);
+        intel_iommu_enabled = 1;
        return 0;
 }
diff --git a/drivers/iommu/intr_remapping.c b/drivers/iommu/intr_remapping.c
index 07c9f189f314..6777ca049471 100644
--- a/drivers/iommu/intr_remapping.c
+++ b/drivers/iommu/intr_remapping.c
@@ -773,7 +773,7 @@ int __init parse_ioapics_under_ir(void)
        return ir_supported;
 }
-int ir_dev_scope_init(void)
+int __init ir_dev_scope_init(void)
 {
        if (!intr_remapping_enabled)
                return 0;
diff --git a/drivers/iommu/omap-iommu-debug.c b/drivers/iommu/omap-iommu-debug.c
index 9c192e79f806..288da5c1499d 100644
--- a/drivers/iommu/omap-iommu-debug.c
+++ b/drivers/iommu/omap-iommu-debug.c
@@ -10,6 +10,7 @@
 * published by the Free Software Foundation.
 */
+#include <linux/module.h>
 #include <linux/err.h>
 #include <linux/clk.h>
 #include <linux/io.h>
diff --git a/drivers/iommu/omap-iovmm.c b/drivers/iommu/omap-iovmm.c
index e8fdb8830f69..46be456fcc00 100644
--- a/drivers/iommu/omap-iovmm.c
+++ b/drivers/iommu/omap-iovmm.c
@@ -10,6 +10,7 @@
 * published by the Free Software Foundation.
 */
+#include <linux/module.h>
 #include <linux/err.h>
 #include <linux/slab.h>
 #include <linux/vmalloc.h>
diff --git a/drivers/isdn/divert/divert_procfs.c b/drivers/isdn/divert/divert_procfs.c
index 33ec9e467772..9021182c4b76 100644
--- a/drivers/isdn/divert/divert_procfs.c
+++ b/drivers/isdn/divert/divert_procfs.c
@@ -242,6 +242,12 @@ static int isdn_divert_ioctl_unlocked(struct file *file, uint cmd, ulong arg)
                case IIOCDOCFINT:
                        if (!divert_if.drv_to_name(dioctl.cf_ctrl.drvid))
                                return (-EINVAL);       /* invalid driver */
+                        if (strnlen(dioctl.cf_ctrl.msn, sizeof(dioctl.cf_ctrl.msn)) ==
+                                        sizeof(dioctl.cf_ctrl.msn))
+                                return -EINVAL;
+                        if (strnlen(dioctl.cf_ctrl.fwd_nr, sizeof(dioctl.cf_ctrl.fwd_nr)) ==
+                                        sizeof(dioctl.cf_ctrl.fwd_nr))
+                                return -EINVAL;
                        if ((i = cf_command(dioctl.cf_ctrl.drvid,
                                            (cmd == IIOCDOCFACT) ? 1 : (cmd == IIOCDOCFDIS) ? 0 : 2,
                                            dioctl.cf_ctrl.cfproc,
diff --git a/drivers/isdn/i4l/isdn_net.c b/drivers/isdn/i4l/isdn_net.c
index 1f73d7f7e024..2339d7396b9e 100644
--- a/drivers/isdn/i4l/isdn_net.c
+++ b/drivers/isdn/i4l/isdn_net.c
@@ -2756,6 +2756,9 @@ isdn_net_setcfg(isdn_net_ioctl_cfg * cfg)
                        char *c,
                        *e;
+                        if (strnlen(cfg->drvid, sizeof(cfg->drvid)) ==
+                                        sizeof(cfg->drvid))
+                                return -EINVAL;
                        drvidx = -1;
                        chidx = -1;
                        strcpy(drvid, cfg->drvid);
diff --git a/drivers/leds/led-class.c b/drivers/leds/led-class.c
index 661b692573e7..6d5628bb0601 100644
--- a/drivers/leds/led-class.c
+++ b/drivers/leds/led-class.c
@@ -270,11 +270,8 @@ void led_blink_set(struct led_classdev *led_cdev,
        del_timer_sync(&led_cdev->blink_timer);
        if (led_cdev->blink_set &&
-            !led_cdev->blink_set(led_cdev, delay_on, delay_off)) {
+            !led_cdev->blink_set(led_cdev, delay_on, delay_off))
-                led_cdev->blink_delay_on = *delay_on;
-                led_cdev->blink_delay_off = *delay_off;
                return;
-        }
        /* blink with 1 Hz as default if nothing specified */
        if (!*delay_on && !*delay_off)
diff --git a/drivers/macintosh/via-macii.c b/drivers/macintosh/via-macii.c
index 817f37a875c9..c9570fcf1cce 100644
--- a/drivers/macintosh/via-macii.c
+++ b/drivers/macintosh/via-macii.c
@@ -159,7 +159,7 @@ int macii_init(void)
        err = macii_init_via();
        if (err) goto out;
-        err = request_irq(IRQ_MAC_ADB, macii_interrupt, IRQ_FLG_LOCK, "ADB",
+        err = request_irq(IRQ_MAC_ADB, macii_interrupt, 0, "ADB",
                          macii_interrupt);
        if (err) goto out;
diff --git a/drivers/macintosh/via-maciisi.c b/drivers/macintosh/via-maciisi.c
index 9ab5b0c34f0d..34d02a91b29f 100644
--- a/drivers/macintosh/via-maciisi.c
+++ b/drivers/macintosh/via-maciisi.c
@@ -122,8 +122,8 @@ maciisi_init(void)
                return err;
        }
-        if (request_irq(IRQ_MAC_ADB, maciisi_interrupt, IRQ_FLG_LOCK | IRQ_FLG_FAST, 
+        if (request_irq(IRQ_MAC_ADB, maciisi_interrupt, 0, "ADB",
-                        "ADB", maciisi_interrupt)) {
+                        maciisi_interrupt)) {
                printk(KERN_ERR "maciisi_init: can't get irq %d\n", IRQ_MAC_ADB);
                return -EAGAIN;
        }
diff --git a/drivers/md/bitmap.c b/drivers/md/bitmap.c
index 7878712721bf..b6907118283a 100644
--- a/drivers/md/bitmap.c
+++ b/drivers/md/bitmap.c
@@ -1106,10 +1106,12 @@ void bitmap_write_all(struct bitmap *bitmap)
         */
        int i;
+        spin_lock_irq(&bitmap->lock);
        for (i = 0; i < bitmap->file_pages; i++)
                set_page_attr(bitmap, bitmap->filemap[i],
                              BITMAP_PAGE_NEEDWRITE);
        bitmap->allclean = 0;
+        spin_unlock_irq(&bitmap->lock);
 }
 static void bitmap_count_page(struct bitmap *bitmap, sector_t offset, int inc)
@@ -1605,7 +1607,9 @@ void bitmap_dirty_bits(struct bitmap *bitmap, unsigned long s, unsigned long e)
        for (chunk = s; chunk <= e; chunk++) {
                sector_t sec = (sector_t)chunk << CHUNK_BLOCK_SHIFT(bitmap);
                bitmap_set_memory_bits(bitmap, sec, 1);
+                spin_lock_irq(&bitmap->lock);
                bitmap_file_set_bit(bitmap, sec);
+                spin_unlock_irq(&bitmap->lock);
                if (sec < bitmap->mddev->recovery_cp)
                        /* We are asserting that the array is dirty,
                         * so move the recovery_cp address back so
diff --git a/drivers/md/md.c b/drivers/md/md.c
index 84acfe7d10e4..ee981737edfc 100644
--- a/drivers/md/md.c
+++ b/drivers/md/md.c
@@ -570,7 +570,7 @@ static void mddev_put(struct mddev *mddev)
            mddev->ctime == 0 && !mddev->hold_active) {
                /* Array is not configured at all, and not held active,
                 * so destroy it */
-                list_del(&mddev->all_mddevs);
+                list_del_init(&mddev->all_mddevs);
                bs = mddev->bio_set;
                mddev->bio_set = NULL;
                if (mddev->gendisk) {
@@ -2546,7 +2546,8 @@ state_show(struct md_rdev *rdev, char *page)
                sep = ",";
        }
        if (test_bit(Blocked, &rdev->flags) ||
-            rdev->badblocks.unacked_exist) {
+            (rdev->badblocks.unacked_exist
+             && !test_bit(Faulty, &rdev->flags))) {
                len += sprintf(page+len, "%sblocked", sep);
                sep = ",";
        }
@@ -3788,6 +3789,8 @@ array_state_store(struct mddev *mddev, const char *buf, size_t len)
        if (err)
                return err;
        else {
+                if (mddev->hold_active == UNTIL_IOCTL)
+                        mddev->hold_active = 0;
                sysfs_notify_dirent_safe(mddev->sysfs_state);
                return len;
        }
@@ -4487,11 +4490,20 @@ md_attr_show(struct kobject *kobj, struct attribute *attr, char *page)
        if (!entry->show)
                return -EIO;
+        spin_lock(&all_mddevs_lock);
+        if (list_empty(&mddev->all_mddevs)) {
+                spin_unlock(&all_mddevs_lock);
+                return -EBUSY;
+        }
+        mddev_get(mddev);
+        spin_unlock(&all_mddevs_lock);
        rv = mddev_lock(mddev);
        if (!rv) {
                rv = entry->show(mddev, page);
                mddev_unlock(mddev);
        }
+        mddev_put(mddev);
        return rv;
 }
@@ -4507,13 +4519,19 @@ md_attr_store(struct kobject *kobj, struct attribute *attr,
                return -EIO;
        if (!capable(CAP_SYS_ADMIN))
                return -EACCES;
+        spin_lock(&all_mddevs_lock);
+        if (list_empty(&mddev->all_mddevs)) {
+                spin_unlock(&all_mddevs_lock);
+                return -EBUSY;
+        }
+        mddev_get(mddev);
+        spin_unlock(&all_mddevs_lock);
        rv = mddev_lock(mddev);
-        if (mddev->hold_active == UNTIL_IOCTL)
-                mddev->hold_active = 0;
        if (!rv) {
                rv = entry->store(mddev, page, length);
                mddev_unlock(mddev);
        }
+        mddev_put(mddev);
        return rv;
 }
@@ -7840,6 +7858,7 @@ int rdev_set_badblocks(struct md_rdev *rdev, sector_t s, int sectors,
                                  s + rdev->data_offset, sectors, acknowledged);
        if (rv) {
                /* Make sure they get written out promptly */
+                sysfs_notify_dirent_safe(rdev->sysfs_state);
                set_bit(MD_CHANGE_CLEAN, &rdev->mddev->flags);
                md_wakeup_thread(rdev->mddev->thread);
        }
diff --git a/drivers/md/raid5.c b/drivers/md/raid5.c
index 472aedfb07cf..31670f8d6b65 100644
--- a/drivers/md/raid5.c
+++ b/drivers/md/raid5.c
@@ -3036,6 +3036,8 @@ static void analyse_stripe(struct stripe_head *sh, struct stripe_head_state *s)
                if (dev->written)
                        s->written++;
                rdev = rcu_dereference(conf->disks[i].rdev);
+                if (rdev && test_bit(Faulty, &rdev->flags))
+                        rdev = NULL;
                if (rdev) {
                        is_bad = is_badblock(rdev, sh->sector, STRIPE_SECTORS,
                                             &first_bad, &bad_sectors);
@@ -3063,12 +3065,12 @@ static void analyse_stripe(struct stripe_head *sh, struct stripe_head_state *s)
                        }
                } else if (test_bit(In_sync, &rdev->flags))
                        set_bit(R5_Insync, &dev->flags);
-                else if (!test_bit(Faulty, &rdev->flags)) {
+                else {
                        /* in sync if before recovery_offset */
                        if (sh->sector + STRIPE_SECTORS <= rdev->recovery_offset)
                                set_bit(R5_Insync, &dev->flags);
                }
-                if (test_bit(R5_WriteError, &dev->flags)) {
+                if (rdev && test_bit(R5_WriteError, &dev->flags)) {
                        clear_bit(R5_Insync, &dev->flags);
                        if (!test_bit(Faulty, &rdev->flags)) {
                                s->handle_bad_blocks = 1;
@@ -3076,7 +3078,7 @@ static void analyse_stripe(struct stripe_head *sh, struct stripe_head_state *s)
                        } else
                                clear_bit(R5_WriteError, &dev->flags);
                }
-                if (test_bit(R5_MadeGood, &dev->flags)) {
+                if (rdev && test_bit(R5_MadeGood, &dev->flags)) {
                        if (!test_bit(Faulty, &rdev->flags)) {
                                s->handle_bad_blocks = 1;
                                atomic_inc(&rdev->nr_pending);
@@ -3110,7 +3112,7 @@ static void handle_stripe(struct stripe_head *sh)
        struct r5dev *pdev, *qdev;
        clear_bit(STRIPE_HANDLE, &sh->state);
-        if (test_and_set_bit(STRIPE_ACTIVE, &sh->state)) {
+        if (test_and_set_bit_lock(STRIPE_ACTIVE, &sh->state)) {
                /* already being handled, ensure it gets handled
                 * again when current action finishes */
                set_bit(STRIPE_HANDLE, &sh->state);
@@ -3159,10 +3161,14 @@ static void handle_stripe(struct stripe_head *sh)
        /* check if the array has lost more than max_degraded devices and,
         * if so, some requests might need to be failed.
         */
-        if (s.failed > conf->max_degraded && s.to_read+s.to_write+s.written)
+        if (s.failed > conf->max_degraded) {
-                handle_failed_stripe(conf, sh, &s, disks, &s.return_bi);
+                sh->check_state = 0;
-        if (s.failed > conf->max_degraded && s.syncing)
+                sh->reconstruct_state = 0;
-                handle_failed_sync(conf, sh, &s);
+                if (s.to_read+s.to_write+s.written)
+                        handle_failed_stripe(conf, sh, &s, disks, &s.return_bi);
+                if (s.syncing)
+                        handle_failed_sync(conf, sh, &s);
+        }
        /*
         * might be able to return some write requests if the parity blocks
@@ -3371,7 +3377,7 @@ finish:
        return_io(s.return_bi);
-        clear_bit(STRIPE_ACTIVE, &sh->state);
+        clear_bit_unlock(STRIPE_ACTIVE, &sh->state);
 }
 static void raid5_activate_delayed(struct r5conf *conf)
diff --git a/drivers/media/dvb/dvb-usb/mxl111sf-i2c.c b/drivers/media/dvb/dvb-usb/mxl111sf-i2c.c
index 2e8c288258a9..34434557ef65 100644
--- a/drivers/media/dvb/dvb-usb/mxl111sf-i2c.c
+++ b/drivers/media/dvb/dvb-usb/mxl111sf-i2c.c
@@ -398,7 +398,6 @@ static int mxl111sf_i2c_readagain(struct mxl111sf_state *state,
        u8 i2c_r_data[24];
        u8 i = 0;
        u8 fifo_status = 0;
-        int ret;
        int status = 0;
        mxl_i2c("read %d bytes", count);
@@ -418,7 +417,7 @@ static int mxl111sf_i2c_readagain(struct mxl111sf_state *state,
                i2c_w_data[4+(i*3)] = 0x00;
        }
-        ret = mxl111sf_i2c_get_data(state, 0, i2c_w_data, i2c_r_data);
+        mxl111sf_i2c_get_data(state, 0, i2c_w_data, i2c_r_data);
        /* Check for I2C NACK status */
        if (mxl111sf_i2c_check_status(state) == 1) {
diff --git a/drivers/media/dvb/dvb-usb/mxl111sf-phy.c b/drivers/media/dvb/dvb-usb/mxl111sf-phy.c
index 91dc1fc2825b..b741b3a7a325 100644
--- a/drivers/media/dvb/dvb-usb/mxl111sf-phy.c
+++ b/drivers/media/dvb/dvb-usb/mxl111sf-phy.c
@@ -296,8 +296,7 @@ int mxl111sf_config_spi(struct mxl111sf_state *state, int onoff)
                goto fail;
        ret = mxl111sf_write_reg(state, 0x00, 0x00);
-        if (mxl_fail(ret))
+        mxl_fail(ret);
-                goto fail;
 fail:
        return ret;
 }
@@ -328,11 +327,13 @@ int mxl111sf_idac_config(struct mxl111sf_state *state,
                /* set hysteresis value  reg: 0x0B<5:0> */
                ret = mxl111sf_write_reg(state, V6_IDAC_HYSTERESIS_REG,
                                         (hysteresis_value & 0x3F));
+                mxl_fail(ret);
        }
        ret = mxl111sf_write_reg(state, V6_IDAC_SETTINGS_REG, val);
+        mxl_fail(ret);
-        return val;
+        return ret;
 }
 /*
diff --git a/drivers/media/video/s5k6aa.c b/drivers/media/video/s5k6aa.c
index 2446736b7871..0df7f2a41814 100644
--- a/drivers/media/video/s5k6aa.c
+++ b/drivers/media/video/s5k6aa.c
@@ -19,6 +19,7 @@
 #include <linux/gpio.h>
 #include <linux/i2c.h>
 #include <linux/media.h>
+#include <linux/module.h>
 #include <linux/regulator/consumer.h>
 #include <linux/slab.h>
diff --git a/drivers/media/video/s5p-mfc/s5p_mfc_dec.c b/drivers/media/video/s5p-mfc/s5p_mfc_dec.c
index 725634d9736d..844a4d7797bc 100644
--- a/drivers/media/video/s5p-mfc/s5p_mfc_dec.c
+++ b/drivers/media/video/s5p-mfc/s5p_mfc_dec.c
@@ -220,8 +220,8 @@ static int vidioc_querycap(struct file *file, void *priv,
        strncpy(cap->card, dev->plat_dev->name, sizeof(cap->card) - 1);
        cap->bus_info[0] = 0;
        cap->version = KERNEL_VERSION(1, 0, 0);
-        cap->capabilities = V4L2_CAP_VIDEO_CAPTURE | V4L2_CAP_VIDEO_OUTPUT
+        cap->capabilities = V4L2_CAP_VIDEO_CAPTURE_MPLANE |
-                                                    | V4L2_CAP_STREAMING;
+                        V4L2_CAP_VIDEO_OUTPUT_MPLANE | V4L2_CAP_STREAMING;
        return 0;
 }
diff --git a/drivers/media/video/s5p-mfc/s5p_mfc_enc.c b/drivers/media/video/s5p-mfc/s5p_mfc_enc.c
index ecef127dbc66..1e8cdb77d4b8 100644
--- a/drivers/media/video/s5p-mfc/s5p_mfc_enc.c
+++ b/drivers/media/video/s5p-mfc/s5p_mfc_enc.c
@@ -785,8 +785,8 @@ static int vidioc_querycap(struct file *file, void *priv,
        strncpy(cap->card, dev->plat_dev->name, sizeof(cap->card) - 1);
        cap->bus_info[0] = 0;
        cap->version = KERNEL_VERSION(1, 0, 0);
-        cap->capabilities = V4L2_CAP_VIDEO_CAPTURE
+        cap->capabilities = V4L2_CAP_VIDEO_CAPTURE_MPLANE
-                          | V4L2_CAP_VIDEO_OUTPUT
+                          | V4L2_CAP_VIDEO_OUTPUT_MPLANE
                          | V4L2_CAP_STREAMING;
        return 0;
 }
diff --git a/drivers/media/video/uvc/uvc_ctrl.c b/drivers/media/video/uvc/uvc_ctrl.c
index 10c2364f3e8a..254d32688843 100644
--- a/drivers/media/video/uvc/uvc_ctrl.c
+++ b/drivers/media/video/uvc/uvc_ctrl.c
@@ -1016,7 +1016,8 @@ int uvc_query_v4l2_menu(struct uvc_video_chain *chain,
        menu_info = &mapping->menu_info[query_menu->index];
-        if (ctrl->info.flags & UVC_CTRL_FLAG_GET_RES) {
+        if (mapping->data_type == UVC_CTRL_DATA_TYPE_BITMASK &&
+            (ctrl->info.flags & UVC_CTRL_FLAG_GET_RES)) {
                s32 bitmap;
                if (!ctrl->cached) {
@@ -1225,7 +1226,8 @@ int uvc_ctrl_set(struct uvc_video_chain *chain,
                /* Valid menu indices are reported by the GET_RES request for
                 * UVC controls that support it.
                 */
-                if (ctrl->info.flags & UVC_CTRL_FLAG_GET_RES) {
+                if (mapping->data_type == UVC_CTRL_DATA_TYPE_BITMASK &&
+                    (ctrl->info.flags & UVC_CTRL_FLAG_GET_RES)) {
                        if (!ctrl->cached) {
                                ret = uvc_ctrl_populate_cache(chain, ctrl);
                                if (ret < 0)
diff --git a/drivers/media/video/v4l2-ctrls.c b/drivers/media/video/v4l2-ctrls.c
index f17f92b86a30..0f415dade05a 100644
--- a/drivers/media/video/v4l2-ctrls.c
+++ b/drivers/media/video/v4l2-ctrls.c
@@ -821,8 +821,8 @@ static void send_event(struct v4l2_fh *fh, struct v4l2_ctrl *ctrl, u32 changes)
        fill_event(&ev, ctrl, changes);
        list_for_each_entry(sev, &ctrl->ev_subs, node)
-                if (sev->fh && (sev->fh != fh ||
+                if (sev->fh != fh ||
-                                (sev->flags & V4L2_EVENT_SUB_FL_ALLOW_FEEDBACK)))
+                    (sev->flags & V4L2_EVENT_SUB_FL_ALLOW_FEEDBACK))
                        v4l2_event_queue_fh(sev->fh, &ev);
 }
@@ -947,6 +947,7 @@ static void new_to_cur(struct v4l2_fh *fh, struct v4l2_ctrl *ctrl,
                        if (ctrl->cluster[0]->has_volatiles)
                                ctrl->flags |= V4L2_CTRL_FLAG_VOLATILE;
                }
+                fh = NULL;
        }
        if (changed || update_inactive) {
                /* If a control was changed that was not one of the controls
diff --git a/drivers/media/video/v4l2-event.c b/drivers/media/video/v4l2-event.c
index 46037f225529..c26ad9637143 100644
--- a/drivers/media/video/v4l2-event.c
+++ b/drivers/media/video/v4l2-event.c
@@ -216,6 +216,9 @@ int v4l2_event_subscribe(struct v4l2_fh *fh,
        unsigned long flags;
        unsigned i;
+        if (sub->type == V4L2_EVENT_ALL)
+                return -EINVAL;
        if (elems < 1)
                elems = 1;
        if (sub->type == V4L2_EVENT_CTRL) {
@@ -283,6 +286,7 @@ int v4l2_event_unsubscribe(struct v4l2_fh *fh,
 {
        struct v4l2_subscribed_event *sev;
        unsigned long flags;
+        int i;
        if (sub->type == V4L2_EVENT_ALL) {
                v4l2_event_unsubscribe_all(fh);
@@ -293,8 +297,12 @@ int v4l2_event_unsubscribe(struct v4l2_fh *fh,
        sev = v4l2_event_subscribed(fh, sub->type, sub->id);
        if (sev != NULL) {
+                /* Remove any pending events for this subscription */
+                for (i = 0; i < sev->in_use; i++) {
+                        list_del(&sev->events[sev_pos(sev, i)].list);
+                        fh->navailable--;
+                }
                list_del(&sev->list);
-                sev->fh = NULL;
        }
        spin_unlock_irqrestore(&fh->vdev->fh_lock, flags);
diff --git a/drivers/media/video/videobuf2-core.c b/drivers/media/video/videobuf2-core.c
index 979e544388cb..95a3f5e82aef 100644
--- a/drivers/media/video/videobuf2-core.c
+++ b/drivers/media/video/videobuf2-core.c
@@ -131,6 +131,7 @@ static void __setup_offsets(struct vb2_queue *q, unsigned int n)
                        continue;
                for (plane = 0; plane < vb->num_planes; ++plane) {
+                        vb->v4l2_planes[plane].length = q->plane_sizes[plane];
                        vb->v4l2_planes[plane].m.mem_offset = off;
                        dprintk(3, "Buffer %d, plane %d offset 0x%08lx\n",
@@ -264,6 +265,7 @@ static void __vb2_queue_free(struct vb2_queue *q, unsigned int buffers)
        q->num_buffers -= buffers;
        if (!q->num_buffers)
                q->memory = 0;
+        INIT_LIST_HEAD(&q->queued_list);
 }
 /**
@@ -296,14 +298,14 @@ static bool __buffer_in_use(struct vb2_queue *q, struct vb2_buffer *vb)
 {
        unsigned int plane;
        for (plane = 0; plane < vb->num_planes; ++plane) {
+                void *mem_priv = vb->planes[plane].mem_priv;
                /*
                 * If num_users() has not been provided, call_memop
                 * will return 0, apparently nobody cares about this
                 * case anyway. If num_users() returns more than 1,
                 * we are not the only user of the plane's memory.
                 */
-                if (call_memop(q, plane, num_users,
+                if (mem_priv && call_memop(q, plane, num_users, mem_priv) > 1)
-                                vb->planes[plane].mem_priv) > 1)
                        return true;
        }
        return false;
diff --git a/drivers/mfd/ab5500-core.c b/drivers/mfd/ab5500-core.c
index 4175544b491b..ec10629a0b0b 100644
--- a/drivers/mfd/ab5500-core.c
+++ b/drivers/mfd/ab5500-core.c
@@ -13,6 +13,7 @@
 * TODO: Event handling with irq_chip. Waiting for PRCMU fw support.
 */
+#include <linux/module.h>
 #include <linux/mutex.h>
 #include <linux/err.h>
 #include <linux/platform_device.h>
diff --git a/drivers/mfd/ab5500-debugfs.c b/drivers/mfd/ab5500-debugfs.c
index 6be1fe6b5f9a..43c0ebb81956 100644
--- a/drivers/mfd/ab5500-debugfs.c
+++ b/drivers/mfd/ab5500-debugfs.c
@@ -4,6 +4,7 @@
 * Debugfs support for the AB5500 MFD driver
 */
+#include <linux/export.h>
 #include <linux/debugfs.h>
 #include <linux/seq_file.h>
 #include <linux/mfd/ab5500/ab5500.h>
diff --git a/drivers/misc/Kconfig b/drivers/misc/Kconfig
index d593878d66d0..5664696f2d3a 100644
--- a/drivers/misc/Kconfig
+++ b/drivers/misc/Kconfig
@@ -472,7 +472,7 @@ config BMP085
          module will be called bmp085.
 config PCH_PHUB
-        tristate "Intel EG20T PCH / OKI SEMICONDUCTOR IOH(ML7213/ML7223) PHUB"
+        tristate "Intel EG20T PCH/LAPIS Semicon IOH(ML7213/ML7223/ML7831) PHUB"
        depends on PCI
        help
          This driver is for PCH(Platform controller Hub) PHUB(Packet Hub) of
@@ -480,12 +480,13 @@ config PCH_PHUB
          processor. The Topcliff has MAC address and Option ROM data in SROM.
          This driver can access MAC address and Option ROM data in SROM.
-          This driver also can be used for OKI SEMICONDUCTOR IOH(Input/
+          This driver also can be used for LAPIS Semiconductor's IOH,
-          Output Hub), ML7213 and ML7223.
+          ML7213/ML7223/ML7831.
-          ML7213 IOH is for IVI(In-Vehicle Infotainment) use and ML7223 IOH is
+          ML7213 which is for IVI(In-Vehicle Infotainment) use.
-          for MP(Media Phone) use.
+          ML7223 IOH is for MP(Media Phone) use.
-          ML7213/ML7223 is companion chip for Intel Atom E6xx series.
+          ML7831 IOH is for general purpose use.
-          ML7213/ML7223 is completely compatible for Intel EG20T PCH.
+          ML7213/ML7223/ML7831 is companion chip for Intel Atom E6xx series.
+          ML7213/ML7223/ML7831 is completely compatible for Intel EG20T PCH.
          To compile this driver as a module, choose M here: the module will
          be called pch_phub.
diff --git a/drivers/misc/ad525x_dpot.h b/drivers/misc/ad525x_dpot.h
index a662f5987b68..82b2cb77ae19 100644
--- a/drivers/misc/ad525x_dpot.h
+++ b/drivers/misc/ad525x_dpot.h
@@ -100,7 +100,7 @@ enum dpot_devid {
        AD5293_ID = DPOT_CONF(F_RDACS_RW | F_SPI_16BIT, BRDAC0, 10, 27),
        AD7376_ID = DPOT_CONF(F_RDACS_WONLY | F_AD_APPDATA | F_SPI_8BIT,
                        BRDAC0, 7, 28),
-        AD8400_ID = DPOT_CONF(F_RDACS_WONLY | F_AD_APPDATA | F_SPI_8BIT,
+        AD8400_ID = DPOT_CONF(F_RDACS_WONLY | F_AD_APPDATA | F_SPI_16BIT,
                        BRDAC0, 8, 29),
        AD8402_ID = DPOT_CONF(F_RDACS_WONLY | F_AD_APPDATA | F_SPI_16BIT,
                        BRDAC0 | BRDAC1, 8, 30),
diff --git a/drivers/misc/carma/carma-fpga-program.c b/drivers/misc/carma/carma-fpga-program.c
index 7ce6065dc20e..eb5cd28bc6d8 100644
--- a/drivers/misc/carma/carma-fpga-program.c
+++ b/drivers/misc/carma/carma-fpga-program.c
@@ -945,8 +945,7 @@ static int fpga_of_remove(struct platform_device *op)
 /* CTL-CPLD Version Register */
 #define CTL_CPLD_VERSION        0x2000
-static int fpga_of_probe(struct platform_device *op,
+static int fpga_of_probe(struct platform_device *op)
-                         const struct of_device_id *match)
 {
        struct device_node *of_node = op->dev.of_node;
        struct device *this_device;
@@ -1107,7 +1106,7 @@ static struct of_device_id fpga_of_match[] = {
        {},
 };
-static struct of_platform_driver fpga_of_driver = {
+static struct platform_driver fpga_of_driver = {
        .probe          = fpga_of_probe,
        .remove         = fpga_of_remove,
        .driver         = {
@@ -1124,12 +1123,12 @@ static struct of_platform_driver fpga_of_driver = {
 static int __init fpga_init(void)
 {
        led_trigger_register_simple("fpga", &ledtrig_fpga);
-        return of_register_platform_driver(&fpga_of_driver);
+        return platform_driver_register(&fpga_of_driver);
 }
 static void __exit fpga_exit(void)
 {
-        of_unregister_platform_driver(&fpga_of_driver);
+        platform_driver_unregister(&fpga_of_driver);
        led_trigger_unregister_simple(ledtrig_fpga);
 }
diff --git a/drivers/misc/carma/carma-fpga.c b/drivers/misc/carma/carma-fpga.c
index 3965821fef17..14e974b2a781 100644
--- a/drivers/misc/carma/carma-fpga.c
+++ b/drivers/misc/carma/carma-fpga.c
@@ -1249,8 +1249,7 @@ static bool dma_filter(struct dma_chan *chan, void *data)
        return true;
 }
-static int data_of_probe(struct platform_device *op,
+static int data_of_probe(struct platform_device *op)
-                         const struct of_device_id *match)
 {
        struct device_node *of_node = op->dev.of_node;
        struct device *this_device;
@@ -1401,7 +1400,7 @@ static struct of_device_id data_of_match[] = {
        {},
 };
-static struct of_platform_driver data_of_driver = {
+static struct platform_driver data_of_driver = {
        .probe          = data_of_probe,
        .remove         = data_of_remove,
        .driver         = {
@@ -1417,12 +1416,12 @@ static struct of_platform_driver data_of_driver = {
 static int __init data_init(void)
 {
-        return of_register_platform_driver(&data_of_driver);
+        return platform_driver_register(&data_of_driver);
 }
 static void __exit data_exit(void)
 {
-        of_unregister_platform_driver(&data_of_driver);
+        platform_driver_unregister(&data_of_driver);
 }
 MODULE_AUTHOR("Ira W. Snyder <iws@ovro.caltech.edu>");
diff --git a/drivers/misc/eeprom/Kconfig b/drivers/misc/eeprom/Kconfig
index 26cf12ca7f50..701edf658970 100644
--- a/drivers/misc/eeprom/Kconfig
+++ b/drivers/misc/eeprom/Kconfig
@@ -85,7 +85,7 @@ config EEPROM_93XX46
 config EEPROM_DIGSY_MTC_CFG
        bool "DigsyMTC display configuration EEPROMs device"
-        depends on PPC_MPC5200_GPIO && GPIOLIB && SPI_GPIO
+        depends on GPIO_MPC5200 && SPI_GPIO
        help
          This option enables access to display configuration EEPROMs
          on digsy_mtc board. You have to additionally select Microwire
diff --git a/drivers/misc/pch_phub.c b/drivers/misc/pch_phub.c
index dee33addcaeb..10fc4785dba7 100644
--- a/drivers/misc/pch_phub.c
+++ b/drivers/misc/pch_phub.c
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2010 OKI SEMICONDUCTOR CO., LTD.
+ * Copyright (C) 2011 LAPIS Semiconductor Co., Ltd.
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
@@ -41,10 +41,10 @@
 #define PCH_PHUB_ROM_START_ADDR_EG20T 0x80 /* ROM data area start address offset
                                              (Intel EG20T PCH)*/
 #define PCH_PHUB_ROM_START_ADDR_ML7213 0x400 /* ROM data area start address
-                                                offset(OKI SEMICONDUCTOR ML7213)
+                                                offset(LAPIS Semicon ML7213)
                                              */
 #define PCH_PHUB_ROM_START_ADDR_ML7223 0x400 /* ROM data area start address
-                                                offset(OKI SEMICONDUCTOR ML7223)
+                                                offset(LAPIS Semicon ML7223)
                                              */
 /* MAX number of INT_REDUCE_CONTROL registers */
@@ -73,6 +73,9 @@
 #define PCI_DEVICE_ID_ROHM_ML7223_mPHUB 0x8012 /* for Bus-m */
 #define PCI_DEVICE_ID_ROHM_ML7223_nPHUB 0x8002 /* for Bus-n */
+/* Macros for ML7831 */
+#define PCI_DEVICE_ID_ROHM_ML7831_PHUB 0x8801
 /* SROM ACCESS Macro */
 #define PCH_WORD_ADDR_MASK (~((1 << 2) - 1))
@@ -115,6 +118,7 @@
 * @pch_mac_start_address:              MAC address area start address
 * @pch_opt_rom_start_address:          Option ROM start address
 * @ioh_type:                           Save IOH type
+ * @pdev:                               pointer to pci device struct
 */
 struct pch_phub_reg {
        u32 phub_id_reg;
@@ -136,6 +140,7 @@ struct pch_phub_reg {
        u32 pch_mac_start_address;
        u32 pch_opt_rom_start_address;
        int ioh_type;
+        struct pci_dev *pdev;
 };
 /* SROM SPEC for MAC address assignment offset */
@@ -471,7 +476,7 @@ static int pch_phub_write_gbe_mac_addr(struct pch_phub_reg *chip, u8 *data)
        int retval;
        int i;
-        if (chip->ioh_type == 1) /* EG20T */
+        if ((chip->ioh_type == 1) || (chip->ioh_type == 5)) /* EG20T or ML7831*/
                retval = pch_phub_gbe_serial_rom_conf(chip);
        else    /* ML7223 */
                retval = pch_phub_gbe_serial_rom_conf_mp(chip);
@@ -498,6 +503,7 @@ static ssize_t pch_phub_bin_read(struct file *filp, struct kobject *kobj,
        unsigned int orom_size;
        int ret;
        int err;
+        ssize_t rom_size;
        struct pch_phub_reg *chip =
                dev_get_drvdata(container_of(kobj, struct device, kobj));
@@ -509,6 +515,10 @@ static ssize_t pch_phub_bin_read(struct file *filp, struct kobject *kobj,
        }
        /* Get Rom signature */
+        chip->pch_phub_extrom_base_address = pci_map_rom(chip->pdev, &rom_size);
+        if (!chip->pch_phub_extrom_base_address)
+                goto exrom_map_err;
        pch_phub_read_serial_rom(chip, chip->pch_opt_rom_start_address,
                                (unsigned char *)&rom_signature);
        rom_signature &= 0xff;
@@ -539,10 +549,13 @@ static ssize_t pch_phub_bin_read(struct file *filp, struct kobject *kobj,
                goto return_err;
        }
 return_ok:
+        pci_unmap_rom(chip->pdev, chip->pch_phub_extrom_base_address);
        mutex_unlock(&pch_phub_mutex);
        return addr_offset;
 return_err:
+        pci_unmap_rom(chip->pdev, chip->pch_phub_extrom_base_address);
+exrom_map_err:
        mutex_unlock(&pch_phub_mutex);
 return_err_nomutex:
        return err;
@@ -555,6 +568,7 @@ static ssize_t pch_phub_bin_write(struct file *filp, struct kobject *kobj,
        int err;
        unsigned int addr_offset;
        int ret;
+        ssize_t rom_size;
        struct pch_phub_reg *chip =
                dev_get_drvdata(container_of(kobj, struct device, kobj));
@@ -571,6 +585,12 @@ static ssize_t pch_phub_bin_write(struct file *filp, struct kobject *kobj,
                goto return_ok;
        }
+        chip->pch_phub_extrom_base_address = pci_map_rom(chip->pdev, &rom_size);
+        if (!chip->pch_phub_extrom_base_address) {
+                err = -ENOMEM;
+                goto exrom_map_err;
+        }
        for (addr_offset = 0; addr_offset < count; addr_offset++) {
                if (PCH_PHUB_OROM_SIZE < off + addr_offset)
                        goto return_ok;
@@ -585,10 +605,14 @@ static ssize_t pch_phub_bin_write(struct file *filp, struct kobject *kobj,
        }
 return_ok:
+        pci_unmap_rom(chip->pdev, chip->pch_phub_extrom_base_address);
        mutex_unlock(&pch_phub_mutex);
        return addr_offset;
 return_err:
+        pci_unmap_rom(chip->pdev, chip->pch_phub_extrom_base_address);
+exrom_map_err:
        mutex_unlock(&pch_phub_mutex);
        return err;
 }
@@ -598,8 +622,14 @@ static ssize_t show_pch_mac(struct device *dev, struct device_attribute *attr,
 {
        u8 mac[8];
        struct pch_phub_reg *chip = dev_get_drvdata(dev);
+        ssize_t rom_size;
+        chip->pch_phub_extrom_base_address = pci_map_rom(chip->pdev, &rom_size);
+        if (!chip->pch_phub_extrom_base_address)
+                return -ENOMEM;
        pch_phub_read_gbe_mac_addr(chip, mac);
+        pci_unmap_rom(chip->pdev, chip->pch_phub_extrom_base_address);
        return sprintf(buf, "%pM\n", mac);
 }
@@ -608,6 +638,7 @@ static ssize_t store_pch_mac(struct device *dev, struct device_attribute *attr,
                             const char *buf, size_t count)
 {
        u8 mac[6];
+        ssize_t rom_size;
        struct pch_phub_reg *chip = dev_get_drvdata(dev);
        if (count != 18)
@@ -617,7 +648,12 @@ static ssize_t store_pch_mac(struct device *dev, struct device_attribute *attr,
                (u32 *)&mac[0], (u32 *)&mac[1], (u32 *)&mac[2], (u32 *)&mac[3],
                (u32 *)&mac[4], (u32 *)&mac[5]);
+        chip->pch_phub_extrom_base_address = pci_map_rom(chip->pdev, &rom_size);
+        if (!chip->pch_phub_extrom_base_address)
+                return -ENOMEM;
        pch_phub_write_gbe_mac_addr(chip, mac);
+        pci_unmap_rom(chip->pdev, chip->pch_phub_extrom_base_address);
        return count;
 }
@@ -640,7 +676,6 @@ static int __devinit pch_phub_probe(struct pci_dev *pdev,
        int retval;
        int ret;
-        ssize_t rom_size;
        struct pch_phub_reg *chip;
        chip = kzalloc(sizeof(struct pch_phub_reg), GFP_KERNEL);
@@ -677,19 +712,7 @@ static int __devinit pch_phub_probe(struct pci_dev *pdev,
                "in pch_phub_base_address variable is %p\n", __func__,
                chip->pch_phub_base_address);
-        if (id->driver_data != 3) {
+        chip->pdev = pdev; /* Save pci device struct */
-                chip->pch_phub_extrom_base_address =\
-                                                   pci_map_rom(pdev, &rom_size);
-                if (chip->pch_phub_extrom_base_address == 0) {
-                        dev_err(&pdev->dev, "%s: pci_map_rom FAILED", __func__);
-                        ret = -ENOMEM;
-                        goto err_pci_map;
-                }
-                dev_dbg(&pdev->dev, "%s : "
-                        "pci_map_rom SUCCESS and value in "
-                        "pch_phub_extrom_base_address variable is %p\n",
-                        __func__, chip->pch_phub_extrom_base_address);
-        }
        if (id->driver_data == 1) { /* EG20T PCH */
                const char *board_name;
@@ -763,6 +786,22 @@ static int __devinit pch_phub_probe(struct pci_dev *pdev,
                chip->pch_opt_rom_start_address =\
                                                 PCH_PHUB_ROM_START_ADDR_ML7223;
                chip->pch_mac_start_address = PCH_PHUB_MAC_START_ADDR_ML7223;
+        } else if (id->driver_data == 5) { /* ML7831 */
+                retval = sysfs_create_file(&pdev->dev.kobj,
+                                           &dev_attr_pch_mac.attr);
+                if (retval)
+                        goto err_sysfs_create;
+                retval = sysfs_create_bin_file(&pdev->dev.kobj, &pch_bin_attr);
+                if (retval)
+                        goto exit_bin_attr;
+                /* set the prefech value */
+                iowrite32(0x000affaa, chip->pch_phub_base_address + 0x14);
+                /* set the interrupt delay value */
+                iowrite32(0x25, chip->pch_phub_base_address + 0x44);
+                chip->pch_opt_rom_start_address = PCH_PHUB_ROM_START_ADDR_EG20T;
+                chip->pch_mac_start_address = PCH_PHUB_MAC_START_ADDR_EG20T;
        }
        chip->ioh_type = id->driver_data;
@@ -773,8 +812,6 @@ exit_bin_attr:
        sysfs_remove_file(&pdev->dev.kobj, &dev_attr_pch_mac.attr);
 err_sysfs_create:
-        pci_unmap_rom(pdev, chip->pch_phub_extrom_base_address);
-err_pci_map:
        pci_iounmap(pdev, chip->pch_phub_base_address);
 err_pci_iomap:
        pci_release_regions(pdev);
@@ -792,7 +829,6 @@ static void __devexit pch_phub_remove(struct pci_dev *pdev)
        sysfs_remove_file(&pdev->dev.kobj, &dev_attr_pch_mac.attr);
        sysfs_remove_bin_file(&pdev->dev.kobj, &pch_bin_attr);
-        pci_unmap_rom(pdev, chip->pch_phub_extrom_base_address);
        pci_iounmap(pdev, chip->pch_phub_base_address);
        pci_release_regions(pdev);
        pci_disable_device(pdev);
@@ -847,6 +883,7 @@ static struct pci_device_id pch_phub_pcidev_id[] = {
        { PCI_VDEVICE(ROHM, PCI_DEVICE_ID_ROHM_ML7213_PHUB), 2,  },
        { PCI_VDEVICE(ROHM, PCI_DEVICE_ID_ROHM_ML7223_mPHUB), 3,  },
        { PCI_VDEVICE(ROHM, PCI_DEVICE_ID_ROHM_ML7223_nPHUB), 4,  },
+        { PCI_VDEVICE(ROHM, PCI_DEVICE_ID_ROHM_ML7831_PHUB), 5,  },
        { }
 };
 MODULE_DEVICE_TABLE(pci, pch_phub_pcidev_id);
@@ -873,5 +910,5 @@ static void __exit pch_phub_pci_exit(void)
 module_init(pch_phub_pci_init);
 module_exit(pch_phub_pci_exit);
-MODULE_DESCRIPTION("Intel EG20T PCH/OKI SEMICONDUCTOR IOH(ML7213/ML7223) PHUB");
+MODULE_DESCRIPTION("Intel EG20T PCH/LAPIS Semiconductor IOH(ML7213/ML7223) PHUB");
 MODULE_LICENSE("GPL");
diff --git a/drivers/misc/spear13xx_pcie_gadget.c b/drivers/misc/spear13xx_pcie_gadget.c
index cfbddbef11de..43d073bc1d9c 100644
--- a/drivers/misc/spear13xx_pcie_gadget.c
+++ b/drivers/misc/spear13xx_pcie_gadget.c
@@ -903,6 +903,6 @@ static void __exit spear_pcie_gadget_exit(void)
 }
 module_exit(spear_pcie_gadget_exit);
-MODULE_ALIAS("pcie-gadget-spear");
+MODULE_ALIAS("platform:pcie-gadget-spear");
 MODULE_AUTHOR("Pratyush Anand");
 MODULE_LICENSE("GPL");
diff --git a/drivers/mmc/card/block.c b/drivers/mmc/card/block.c
index a1cb21f95302..1e0e27cbe987 100644
--- a/drivers/mmc/card/block.c
+++ b/drivers/mmc/card/block.c
@@ -1606,6 +1606,14 @@ static const struct mmc_fixup blk_fixups[] =
                  MMC_QUIRK_BLK_NO_CMD23),
        MMC_FIXUP("MMC32G", 0x11, CID_OEMID_ANY, add_quirk_mmc,
                  MMC_QUIRK_BLK_NO_CMD23),
+        /*
+         * Some Micron MMC cards needs longer data read timeout than
+         * indicated in CSD.
+         */
+        MMC_FIXUP(CID_NAME_ANY, 0x13, 0x200, add_quirk_mmc,
+                  MMC_QUIRK_LONG_READ_TIME),
        END_FIXUP
 };
diff --git a/drivers/mmc/core/core.c b/drivers/mmc/core/core.c
index 5278ffb20e74..950b97d7412a 100644
--- a/drivers/mmc/core/core.c
+++ b/drivers/mmc/core/core.c
@@ -529,6 +529,18 @@ void mmc_set_data_timeout(struct mmc_data *data, const struct mmc_card *card)
                        data->timeout_clks = 0;
                }
        }
+        /*
+         * Some cards require longer data read timeout than indicated in CSD.
+         * Address this by setting the read timeout to a "reasonably high"
+         * value. For the cards tested, 300ms has proven enough. If necessary,
+         * this value can be increased if other problematic cards require this.
+         */
+        if (mmc_card_long_read_time(card) && data->flags & MMC_DATA_READ) {
+                data->timeout_ns = 300000000;
+                data->timeout_clks = 0;
+        }
        /*
         * Some cards need very high timeouts if driven in SPI mode.
         * The worst observed timeout was 900ms after writing a
@@ -1213,6 +1225,46 @@ void mmc_set_driver_type(struct mmc_host *host, unsigned int drv_type)
        mmc_host_clk_release(host);
 }
+static void mmc_poweroff_notify(struct mmc_host *host)
+{
+        struct mmc_card *card;
+        unsigned int timeout;
+        unsigned int notify_type = EXT_CSD_NO_POWER_NOTIFICATION;
+        int err = 0;
+        card = host->card;
+        /*
+         * Send power notify command only if card
+         * is mmc and notify state is powered ON
+         */
+        if (card && mmc_card_mmc(card) &&
+            (card->poweroff_notify_state == MMC_POWERED_ON)) {
+                if (host->power_notify_type == MMC_HOST_PW_NOTIFY_SHORT) {
+                        notify_type = EXT_CSD_POWER_OFF_SHORT;
+                        timeout = card->ext_csd.generic_cmd6_time;
+                        card->poweroff_notify_state = MMC_POWEROFF_SHORT;
+                } else {
+                        notify_type = EXT_CSD_POWER_OFF_LONG;
+                        timeout = card->ext_csd.power_off_longtime;
+                        card->poweroff_notify_state = MMC_POWEROFF_LONG;
+                }
+                err = mmc_switch(card, EXT_CSD_CMD_SET_NORMAL,
+                                 EXT_CSD_POWER_OFF_NOTIFICATION,
+                                 notify_type, timeout);
+                if (err && err != -EBADMSG)
+                        pr_err("Device failed to respond within %d poweroff "
+                               "time. Forcefully powering down the device\n",
+                               timeout);
+                /* Set the card state to no notification after the poweroff */
+                card->poweroff_notify_state = MMC_NO_POWER_NOTIFICATION;
+        }
+}
 /*
 * Apply power to the MMC stack.  This is a two-stage process.
 * First, we enable power to the card without the clock running.
@@ -1269,42 +1321,12 @@ static void mmc_power_up(struct mmc_host *host)
 void mmc_power_off(struct mmc_host *host)
 {
-        struct mmc_card *card;
-        unsigned int notify_type;
-        unsigned int timeout;
-        int err;
        mmc_host_clk_hold(host);
-        card = host->card;
        host->ios.clock = 0;
        host->ios.vdd = 0;
-        if (card && mmc_card_mmc(card) &&
+        mmc_poweroff_notify(host);
-            (card->poweroff_notify_state == MMC_POWERED_ON)) {
-                if (host->power_notify_type == MMC_HOST_PW_NOTIFY_SHORT) {
-                        notify_type = EXT_CSD_POWER_OFF_SHORT;
-                        timeout = card->ext_csd.generic_cmd6_time;
-                        card->poweroff_notify_state = MMC_POWEROFF_SHORT;
-                } else {
-                        notify_type = EXT_CSD_POWER_OFF_LONG;
-                        timeout = card->ext_csd.power_off_longtime;
-                        card->poweroff_notify_state = MMC_POWEROFF_LONG;
-                }
-                err = mmc_switch(card, EXT_CSD_CMD_SET_NORMAL,
-                                 EXT_CSD_POWER_OFF_NOTIFICATION,
-                                 notify_type, timeout);
-                if (err && err != -EBADMSG)
-                        pr_err("Device failed to respond within %d poweroff "
-                               "time. Forcefully powering down the device\n",
-                               timeout);
-                /* Set the card state to no notification after the poweroff */
-                card->poweroff_notify_state = MMC_NO_POWER_NOTIFICATION;
-        }
        /*
         * Reset ocr mask to be the highest possible voltage supported for
@@ -2196,7 +2218,7 @@ int mmc_card_sleep(struct mmc_host *host)
        mmc_bus_get(host);
-        if (host->bus_ops && !host->bus_dead && host->bus_ops->awake)
+        if (host->bus_ops && !host->bus_dead && host->bus_ops->sleep)
                err = host->bus_ops->sleep(host);
        mmc_bus_put(host);
@@ -2302,8 +2324,17 @@ int mmc_suspend_host(struct mmc_host *host)
                 * pre-claim the host.
                 */
                if (mmc_try_claim_host(host)) {
-                        if (host->bus_ops->suspend)
+                        if (host->bus_ops->suspend) {
+                                /*
+                                 * For eMMC 4.5 device send notify command
+                                 * before sleep, because in sleep state eMMC 4.5
+                                 * devices respond to only RESET and AWAKE cmd
+                                 */
+                                mmc_poweroff_notify(host);
                                err = host->bus_ops->suspend(host);
+                        }
+                        mmc_do_release_host(host);
                        if (err == -ENOSYS || !host->bus_ops->resume) {
                                /*
                                 * We simply "remove" the card in this case.
@@ -2318,7 +2349,6 @@ int mmc_suspend_host(struct mmc_host *host)
                                host->pm_flags = 0;
                                err = 0;
                        }
-                        mmc_do_release_host(host);
                } else {
                        err = -EBUSY;
                }
diff --git a/drivers/mmc/core/mmc.c b/drivers/mmc/core/mmc.c
index dbf421a6279c..d240427c1246 100644
--- a/drivers/mmc/core/mmc.c
+++ b/drivers/mmc/core/mmc.c
@@ -876,17 +876,21 @@ static int mmc_init_card(struct mmc_host *host, u32 ocr,
         * set the notification byte in the ext_csd register of device
         */
        if ((host->caps2 & MMC_CAP2_POWEROFF_NOTIFY) &&
-            (card->poweroff_notify_state == MMC_NO_POWER_NOTIFICATION)) {
+            (card->ext_csd.rev >= 6)) {
                err = mmc_switch(card, EXT_CSD_CMD_SET_NORMAL,
                                 EXT_CSD_POWER_OFF_NOTIFICATION,
                                 EXT_CSD_POWER_ON,
                                 card->ext_csd.generic_cmd6_time);
                if (err && err != -EBADMSG)
                        goto free_card;
-        }
-        if (!err)
+                /*
-                card->poweroff_notify_state = MMC_POWERED_ON;
+                 * The err can be -EBADMSG or 0,
+                 * so check for success and update the flag
+                 */
+                if (!err)
+                        card->poweroff_notify_state = MMC_POWERED_ON;
+        }
        /*
         * Activate high speed (if supported)
diff --git a/drivers/mmc/host/mxcmmc.c b/drivers/mmc/host/mxcmmc.c
index 325ea61e12d3..8e0fbe994047 100644
--- a/drivers/mmc/host/mxcmmc.c
+++ b/drivers/mmc/host/mxcmmc.c
@@ -732,6 +732,7 @@ static void mxcmci_set_ios(struct mmc_host *mmc, struct mmc_ios *ios)
                                "failed to config DMA channel. Falling back to PIO\n");
                        dma_release_channel(host->dma);
                        host->do_dma = 0;
+                        host->dma = NULL;
                }
        }
diff --git a/drivers/mmc/host/omap_hsmmc.c b/drivers/mmc/host/omap_hsmmc.c
index 101cd31c8220..d5fe43d53c51 100644
--- a/drivers/mmc/host/omap_hsmmc.c
+++ b/drivers/mmc/host/omap_hsmmc.c
@@ -1010,6 +1010,7 @@ static void omap_hsmmc_dma_cleanup(struct omap_hsmmc_host *host, int errno)
                        host->data->sg_len,
                        omap_hsmmc_get_dma_dir(host, host->data));
                omap_free_dma(dma_ch);
+                host->data->host_cookie = 0;
        }
        host->data = NULL;
 }
@@ -1575,8 +1576,10 @@ static void omap_hsmmc_post_req(struct mmc_host *mmc, struct mmc_request *mrq,
        struct mmc_data *data = mrq->data;
        if (host->use_dma) {
-                dma_unmap_sg(mmc_dev(host->mmc), data->sg, data->sg_len,
+                if (data->host_cookie)
-                             omap_hsmmc_get_dma_dir(host, data));
+                        dma_unmap_sg(mmc_dev(host->mmc), data->sg,
+                                     data->sg_len,
+                                     omap_hsmmc_get_dma_dir(host, data));
                data->host_cookie = 0;
        }
 }
diff --git a/drivers/mmc/host/sdhci-cns3xxx.c b/drivers/mmc/host/sdhci-cns3xxx.c
index 4b920b7621cf..87b6f079b6e0 100644
--- a/drivers/mmc/host/sdhci-cns3xxx.c
+++ b/drivers/mmc/host/sdhci-cns3xxx.c
@@ -15,6 +15,7 @@
 #include <linux/delay.h>
 #include <linux/device.h>
 #include <linux/mmc/host.h>
+#include <linux/module.h>
 #include <mach/cns3xxx.h>
 #include "sdhci-pltfm.h"
diff --git a/drivers/mmc/host/sdhci-esdhc-imx.c b/drivers/mmc/host/sdhci-esdhc-imx.c
index ae57769ba50d..4b976f00ea85 100644
--- a/drivers/mmc/host/sdhci-esdhc-imx.c
+++ b/drivers/mmc/host/sdhci-esdhc-imx.c
@@ -32,6 +32,7 @@
 /* VENDOR SPEC register */
 #define SDHCI_VENDOR_SPEC               0xC0
 #define  SDHCI_VENDOR_SPEC_SDIO_QUIRK   0x00000002
+#define SDHCI_WTMK_LVL                  0x44
 #define SDHCI_MIX_CTRL                  0x48
 /*
@@ -476,6 +477,13 @@ static int __devinit sdhci_esdhc_imx_probe(struct platform_device *pdev)
        if (is_imx53_esdhc(imx_data))
                imx_data->flags |= ESDHC_FLAG_MULTIBLK_NO_INT;
+        /*
+         * The imx6q ROM code will change the default watermark level setting
+         * to something insane.  Change it back here.
+         */
+        if (is_imx6q_usdhc(imx_data))
+                writel(0x08100810, host->ioaddr + SDHCI_WTMK_LVL);
        boarddata = &imx_data->boarddata;
        if (sdhci_esdhc_imx_probe_dt(pdev, boarddata) < 0) {
                if (!host->mmc->parent->platform_data) {
diff --git a/drivers/mmc/host/sdhci-s3c.c b/drivers/mmc/host/sdhci-s3c.c
index 3d00e722efc9..cb60c4197e0a 100644
--- a/drivers/mmc/host/sdhci-s3c.c
+++ b/drivers/mmc/host/sdhci-s3c.c
@@ -644,8 +644,6 @@ static int sdhci_s3c_resume(struct platform_device *dev)
 static struct platform_driver sdhci_s3c_driver = {
        .probe          = sdhci_s3c_probe,
        .remove         = __devexit_p(sdhci_s3c_remove),
-        .suspend        = sdhci_s3c_suspend,
-        .resume         = sdhci_s3c_resume,
        .driver         = {
                .owner  = THIS_MODULE,
                .name   = "s3c-sdhci",
diff --git a/drivers/mmc/host/sh_mmcif.c b/drivers/mmc/host/sh_mmcif.c
index 369366c8e205..d5505f3fe2a1 100644
--- a/drivers/mmc/host/sh_mmcif.c
+++ b/drivers/mmc/host/sh_mmcif.c
@@ -908,7 +908,7 @@ static void sh_mmcif_set_ios(struct mmc_host *mmc, struct mmc_ios *ios)
                if (host->power) {
                        pm_runtime_put(&host->pd->dev);
                        host->power = false;
-                        if (p->down_pwr)
+                        if (p->down_pwr && ios->power_mode == MMC_POWER_OFF)
                                p->down_pwr(host->pd);
                }
                host->state = STATE_IDLE;
diff --git a/drivers/mmc/host/tmio_mmc_pio.c b/drivers/mmc/host/tmio_mmc_pio.c
index d85a60cda167..4208b3958069 100644
--- a/drivers/mmc/host/tmio_mmc_pio.c
+++ b/drivers/mmc/host/tmio_mmc_pio.c
@@ -798,7 +798,7 @@ static void tmio_mmc_set_ios(struct mmc_host *mmc, struct mmc_ios *ios)
                /* start bus clock */
                tmio_mmc_clk_start(host);
        } else if (ios->power_mode != MMC_POWER_UP) {
-                if (host->set_pwr)
+                if (host->set_pwr && ios->power_mode == MMC_POWER_OFF)
                        host->set_pwr(host->pdev, 0);
                if ((pdata->flags & TMIO_MMC_HAS_COLD_CD) &&
                    pdata->power) {
diff --git a/drivers/mtd/maps/bcm963xx-flash.c b/drivers/mtd/maps/bcm963xx-flash.c
index 608967fe74c6..736ca10ca9f1 100644
--- a/drivers/mtd/maps/bcm963xx-flash.c
+++ b/drivers/mtd/maps/bcm963xx-flash.c
@@ -21,6 +21,7 @@
 #include <linux/init.h>
 #include <linux/kernel.h>
 #include <linux/slab.h>
+#include <linux/module.h>
 #include <linux/mtd/map.h>
 #include <linux/mtd/mtd.h>
 #include <linux/mtd/partitions.h>
diff --git a/drivers/net/Kconfig b/drivers/net/Kconfig
index 583f66cd5bbd..654a5e94e0e7 100644
--- a/drivers/net/Kconfig
+++ b/drivers/net/Kconfig
@@ -245,6 +245,8 @@ source "drivers/net/ethernet/Kconfig"
 source "drivers/net/fddi/Kconfig"
+source "drivers/net/hippi/Kconfig"
 config NET_SB1000
        tristate "General Instruments Surfboard 1000"
        depends on PNP
diff --git a/drivers/net/arcnet/Kconfig b/drivers/net/arcnet/Kconfig
index a73d9dc80ff6..84fb6349a59a 100644
--- a/drivers/net/arcnet/Kconfig
+++ b/drivers/net/arcnet/Kconfig
@@ -4,7 +4,7 @@
 menuconfig ARCNET
        depends on NETDEVICES && (ISA || PCI || PCMCIA)
-        bool "ARCnet support"
+        tristate "ARCnet support"
        ---help---
          If you have a network card of this type, say Y and check out the
          (arguably) beautiful poetry in
diff --git a/drivers/net/bonding/bond_main.c b/drivers/net/bonding/bond_main.c
index b0c577256487..7f8756825b8a 100644
--- a/drivers/net/bonding/bond_main.c
+++ b/drivers/net/bonding/bond_main.c
@@ -2553,30 +2553,6 @@ re_arm:
        }
 }
-static __be32 bond_glean_dev_ip(struct net_device *dev)
-{
-        struct in_device *idev;
-        struct in_ifaddr *ifa;
-        __be32 addr = 0;
-        if (!dev)
-                return 0;
-        rcu_read_lock();
-        idev = __in_dev_get_rcu(dev);
-        if (!idev)
-                goto out;
-        ifa = idev->ifa_list;
-        if (!ifa)
-                goto out;
-        addr = ifa->ifa_local;
-out:
-        rcu_read_unlock();
-        return addr;
-}
 static int bond_has_this_ip(struct bonding *bond, __be32 ip)
 {
        struct vlan_entry *vlan;
@@ -3322,6 +3298,10 @@ static int bond_inetaddr_event(struct notifier_block *this, unsigned long event,
        struct bonding *bond;
        struct vlan_entry *vlan;
+        /* we only care about primary address */
+        if(ifa->ifa_flags & IFA_F_SECONDARY)
+                return NOTIFY_DONE;
        list_for_each_entry(bond, &bn->dev_list, bond_list) {
                if (bond->dev == event_dev) {
                        switch (event) {
@@ -3329,7 +3309,7 @@ static int bond_inetaddr_event(struct notifier_block *this, unsigned long event,
                                bond->master_ip = ifa->ifa_local;
                                return NOTIFY_OK;
                        case NETDEV_DOWN:
-                                bond->master_ip = bond_glean_dev_ip(bond->dev);
+                                bond->master_ip = 0;
                                return NOTIFY_OK;
                        default:
                                return NOTIFY_DONE;
@@ -3345,8 +3325,7 @@ static int bond_inetaddr_event(struct notifier_block *this, unsigned long event,
                                        vlan->vlan_ip = ifa->ifa_local;
                                        return NOTIFY_OK;
                                case NETDEV_DOWN:
-                                        vlan->vlan_ip =
+                                        vlan->vlan_ip = 0;
-                                                bond_glean_dev_ip(vlan_dev);
                                        return NOTIFY_OK;
                                default:
                                        return NOTIFY_DONE;
diff --git a/drivers/net/bonding/bond_sysfs.c b/drivers/net/bonding/bond_sysfs.c
index 5a20804fdece..4ef7e2fd9fe6 100644
--- a/drivers/net/bonding/bond_sysfs.c
+++ b/drivers/net/bonding/bond_sysfs.c
@@ -319,6 +319,13 @@ static ssize_t bonding_store_mode(struct device *d,
                goto out;
        }
+        if (bond->slave_cnt > 0) {
+                pr_err("unable to update mode of %s because it has slaves.\n",
+                        bond->dev->name);
+                ret = -EPERM;
+                goto out;
+        }
        new_value = bond_parse_parm(buf, bond_mode_tbl);
        if (new_value < 0)  {
                pr_err("%s: Ignoring invalid mode value %.*s.\n",
diff --git a/drivers/net/can/sja1000/peak_pci.c b/drivers/net/can/sja1000/peak_pci.c
index 905bce0b3a43..2c7f5036f570 100644
--- a/drivers/net/can/sja1000/peak_pci.c
+++ b/drivers/net/can/sja1000/peak_pci.c
@@ -20,7 +20,6 @@
 */
 #include <linux/kernel.h>
-#include <linux/version.h>
 #include <linux/module.h>
 #include <linux/interrupt.h>
 #include <linux/netdevice.h>
diff --git a/drivers/net/ethernet/broadcom/b44.c b/drivers/net/ethernet/broadcom/b44.c
index 4cf835dbc122..3fb66d09ece5 100644
--- a/drivers/net/ethernet/broadcom/b44.c
+++ b/drivers/net/ethernet/broadcom/b44.c
@@ -608,7 +608,7 @@ static void b44_tx(struct b44 *bp)
                                 skb->len,
                                 DMA_TO_DEVICE);
                rp->skb = NULL;
-                dev_kfree_skb(skb);
+                dev_kfree_skb_irq(skb);
        }
        bp->tx_cons = cons;
diff --git a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_link.c b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_link.c
index bce203fa4b9e..882f48f0a03c 100644
--- a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_link.c
+++ b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_link.c
@@ -10327,6 +10327,43 @@ static int bnx2x_54618se_config_init(struct bnx2x_phy *phy,
        return 0;
 }
+static void bnx2x_5461x_set_link_led(struct bnx2x_phy *phy,
+                                       struct link_params *params, u8 mode)
+{
+        struct bnx2x *bp = params->bp;
+        u16 temp;
+        bnx2x_cl22_write(bp, phy,
+                MDIO_REG_GPHY_SHADOW,
+                MDIO_REG_GPHY_SHADOW_LED_SEL1);
+        bnx2x_cl22_read(bp, phy,
+                MDIO_REG_GPHY_SHADOW,
+                &temp);
+        temp &= 0xff00;
+        DP(NETIF_MSG_LINK, "54618x set link led (mode=%x)\n", mode);
+        switch (mode) {
+        case LED_MODE_FRONT_PANEL_OFF:
+        case LED_MODE_OFF:
+                temp |= 0x00ee;
+                break;
+        case LED_MODE_OPER:
+                temp |= 0x0001;
+                break;
+        case LED_MODE_ON:
+                temp |= 0x00ff;
+                break;
+        default:
+                break;
+        }
+        bnx2x_cl22_write(bp, phy,
+                MDIO_REG_GPHY_SHADOW,
+                MDIO_REG_GPHY_SHADOW_WR_ENA | temp);
+        return;
+}
 static void bnx2x_54618se_link_reset(struct bnx2x_phy *phy,
                                     struct link_params *params)
 {
@@ -11103,7 +11140,7 @@ static struct bnx2x_phy phy_54618se = {
        .config_loopback = (config_loopback_t)bnx2x_54618se_config_loopback,
        .format_fw_ver  = (format_fw_ver_t)NULL,
        .hw_reset       = (hw_reset_t)NULL,
-        .set_link_led   = (set_link_led_t)NULL,
+        .set_link_led   = (set_link_led_t)bnx2x_5461x_set_link_led,
        .phy_specific_func = (phy_specific_func_t)NULL
 };
 /*****************************************************************/
diff --git a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_main.c b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_main.c
index 6486ab8c8fc8..2f6361e949f0 100644
--- a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_main.c
+++ b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_main.c
@@ -10548,33 +10548,38 @@ do {									\
 int bnx2x_init_firmware(struct bnx2x *bp)
 {
-        const char *fw_file_name;
        struct bnx2x_fw_file_hdr *fw_hdr;
        int rc;
-        if (CHIP_IS_E1(bp))
-                fw_file_name = FW_FILE_NAME_E1;
-        else if (CHIP_IS_E1H(bp))
-                fw_file_name = FW_FILE_NAME_E1H;
-        else if (!CHIP_IS_E1x(bp))
-                fw_file_name = FW_FILE_NAME_E2;
-        else {
-                BNX2X_ERR("Unsupported chip revision\n");
-                return -EINVAL;
-        }
-        BNX2X_DEV_INFO("Loading %s\n", fw_file_name);
+        if (!bp->firmware) {
+                const char *fw_file_name;
-        rc = request_firmware(&bp->firmware, fw_file_name, &bp->pdev->dev);
+                if (CHIP_IS_E1(bp))
-        if (rc) {
+                        fw_file_name = FW_FILE_NAME_E1;
-                BNX2X_ERR("Can't load firmware file %s\n", fw_file_name);
+                else if (CHIP_IS_E1H(bp))
-                goto request_firmware_exit;
+                        fw_file_name = FW_FILE_NAME_E1H;
-        }
+                else if (!CHIP_IS_E1x(bp))
+                        fw_file_name = FW_FILE_NAME_E2;
+                else {
+                        BNX2X_ERR("Unsupported chip revision\n");
+                        return -EINVAL;
+                }
+                BNX2X_DEV_INFO("Loading %s\n", fw_file_name);
-        rc = bnx2x_check_firmware(bp);
+                rc = request_firmware(&bp->firmware, fw_file_name,
-        if (rc) {
+                                      &bp->pdev->dev);
-                BNX2X_ERR("Corrupt firmware file %s\n", fw_file_name);
+                if (rc) {
-                goto request_firmware_exit;
+                        BNX2X_ERR("Can't load firmware file %s\n",
+                                  fw_file_name);
+                        goto request_firmware_exit;
+                }
+                rc = bnx2x_check_firmware(bp);
+                if (rc) {
+                        BNX2X_ERR("Corrupt firmware file %s\n", fw_file_name);
+                        goto request_firmware_exit;
+                }
        }
        fw_hdr = (struct bnx2x_fw_file_hdr *)bp->firmware->data;
@@ -10630,6 +10635,7 @@ static void bnx2x_release_firmware(struct bnx2x *bp)
        kfree(bp->init_ops);
        kfree(bp->init_data);
        release_firmware(bp->firmware);
+        bp->firmware = NULL;
 }
@@ -10925,6 +10931,8 @@ static void __devexit bnx2x_remove_one(struct pci_dev *pdev)
        if (bp->doorbells)
                iounmap(bp->doorbells);
+        bnx2x_release_firmware(bp);
        bnx2x_free_mem_bp(bp);
        free_netdev(dev);
diff --git a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_reg.h b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_reg.h
index fc7bd0f23c0b..e58073ef33b4 100644
--- a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_reg.h
+++ b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_reg.h
@@ -6990,6 +6990,7 @@ Theotherbitsarereservedandshouldbezero*/
 #define MDIO_REG_INTR_MASK                              0x1b
 #define MDIO_REG_INTR_MASK_LINK_STATUS                  (0x1 << 1)
 #define MDIO_REG_GPHY_SHADOW                            0x1c
+#define MDIO_REG_GPHY_SHADOW_LED_SEL1                   (0x0d << 10)
 #define MDIO_REG_GPHY_SHADOW_LED_SEL2                   (0x0e << 10)
 #define MDIO_REG_GPHY_SHADOW_WR_ENA                     (0x1 << 15)
 #define MDIO_REG_GPHY_SHADOW_AUTO_DET_MED               (0x1e << 10)
diff --git a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_sp.c b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_sp.c
index 0440425c83d6..14517691f8db 100644
--- a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_sp.c
+++ b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_sp.c
@@ -5380,7 +5380,7 @@ static int bnx2x_func_hw_init(struct bnx2x *bp,
        rc = drv->init_fw(bp);
        if (rc) {
                BNX2X_ERR("Error loading firmware\n");
-                goto fw_init_err;
+                goto init_err;
        }
        /* Handle the beginning of COMMON_XXX pases separatelly... */
@@ -5388,25 +5388,25 @@ static int bnx2x_func_hw_init(struct bnx2x *bp,
        case FW_MSG_CODE_DRV_LOAD_COMMON_CHIP:
                rc = bnx2x_func_init_cmn_chip(bp, drv);
                if (rc)
-                        goto init_hw_err;
+                        goto init_err;
                break;
        case FW_MSG_CODE_DRV_LOAD_COMMON:
                rc = bnx2x_func_init_cmn(bp, drv);
                if (rc)
-                        goto init_hw_err;
+                        goto init_err;
                break;
        case FW_MSG_CODE_DRV_LOAD_PORT:
                rc = bnx2x_func_init_port(bp, drv);
                if (rc)
-                        goto init_hw_err;
+                        goto init_err;
                break;
        case FW_MSG_CODE_DRV_LOAD_FUNCTION:
                rc = bnx2x_func_init_func(bp, drv);
                if (rc)
-                        goto init_hw_err;
+                        goto init_err;
                break;
        default:
@@ -5414,10 +5414,7 @@ static int bnx2x_func_hw_init(struct bnx2x *bp,
                rc = -EINVAL;
        }
-init_hw_err:
+init_err:
-        drv->release_fw(bp);
-fw_init_err:
        drv->gunzip_end(bp);
        /* In case of success, complete the comand immediatelly: no ramrods
diff --git a/drivers/net/ethernet/cadence/Kconfig b/drivers/net/ethernet/cadence/Kconfig
index 98849a1fc749..b48378a41e49 100644
--- a/drivers/net/ethernet/cadence/Kconfig
+++ b/drivers/net/ethernet/cadence/Kconfig
@@ -7,6 +7,7 @@ config HAVE_NET_MACB
 config NET_ATMEL
        bool "Atmel devices"
+        default y
        depends on HAVE_NET_MACB || (ARM && ARCH_AT91RM9200)
        ---help---
          If you have a network (Ethernet) card belonging to this class, say Y.
diff --git a/drivers/net/ethernet/davicom/dm9000.c b/drivers/net/ethernet/davicom/dm9000.c
index 438f4580bf66..2a22f5256353 100644
--- a/drivers/net/ethernet/davicom/dm9000.c
+++ b/drivers/net/ethernet/davicom/dm9000.c
@@ -613,7 +613,7 @@ static int dm9000_set_wol(struct net_device *dev, struct ethtool_wolinfo *w)
                if (!dm->wake_state)
                        irq_set_irq_wake(dm->irq_wake, 1);
-                else if (dm->wake_state & !opts)
+                else if (dm->wake_state && !opts)
                        irq_set_irq_wake(dm->irq_wake, 0);
        }
diff --git a/drivers/net/ethernet/freescale/Kconfig b/drivers/net/ethernet/freescale/Kconfig
index c520cfd3b298..5272f9d4dda9 100644
--- a/drivers/net/ethernet/freescale/Kconfig
+++ b/drivers/net/ethernet/freescale/Kconfig
@@ -24,6 +24,7 @@ config FEC
        bool "FEC ethernet controller (of ColdFire and some i.MX CPUs)"
        depends on (M523x || M527x || M5272 || M528x || M520x || M532x || \
                   ARCH_MXC || ARCH_MXS)
+        default ARCH_MXC || ARCH_MXS if ARM
        select PHYLIB
        ---help---
          Say Y here if you want to use the built-in 10/100 Fast ethernet
diff --git a/drivers/net/ethernet/freescale/fec.c b/drivers/net/ethernet/freescale/fec.c
index 1124ce0a1594..c136230d50bb 100644
--- a/drivers/net/ethernet/freescale/fec.c
+++ b/drivers/net/ethernet/freescale/fec.c
@@ -232,6 +232,7 @@ struct fec_enet_private {
        struct  platform_device *pdev;
        int     opened;
+        int     dev_id;
        /* Phylib and MDIO interface */
        struct  mii_bus *mii_bus;
@@ -837,7 +838,7 @@ static void __inline__ fec_get_mac(struct net_device *ndev)
        /* Adjust MAC if using macaddr */
        if (iap == macaddr)
-                 ndev->dev_addr[ETH_ALEN-1] = macaddr[ETH_ALEN-1] + fep->pdev->id;
+                 ndev->dev_addr[ETH_ALEN-1] = macaddr[ETH_ALEN-1] + fep->dev_id;
 }
 /* ------------------------------------------------------------------------- */
@@ -953,7 +954,7 @@ static int fec_enet_mii_probe(struct net_device *ndev)
        char mdio_bus_id[MII_BUS_ID_SIZE];
        char phy_name[MII_BUS_ID_SIZE + 3];
        int phy_id;
-        int dev_id = fep->pdev->id;
+        int dev_id = fep->dev_id;
        fep->phy_dev = NULL;
@@ -1031,7 +1032,7 @@ static int fec_enet_mii_init(struct platform_device *pdev)
         * mdio interface in board design, and need to be configured by
         * fec0 mii_bus.
         */
-        if ((id_entry->driver_data & FEC_QUIRK_ENET_MAC) && pdev->id > 0) {
+        if ((id_entry->driver_data & FEC_QUIRK_ENET_MAC) && fep->dev_id > 0) {
                /* fec1 uses fec0 mii_bus */
                fep->mii_bus = fec0_mii_bus;
                return 0;
@@ -1063,7 +1064,7 @@ static int fec_enet_mii_init(struct platform_device *pdev)
        fep->mii_bus->read = fec_enet_mdio_read;
        fep->mii_bus->write = fec_enet_mdio_write;
        fep->mii_bus->reset = fec_enet_mdio_reset;
-        snprintf(fep->mii_bus->id, MII_BUS_ID_SIZE, "%x", pdev->id + 1);
+        snprintf(fep->mii_bus->id, MII_BUS_ID_SIZE, "%x", fep->dev_id + 1);
        fep->mii_bus->priv = fep;
        fep->mii_bus->parent = &pdev->dev;
@@ -1521,6 +1522,7 @@ fec_probe(struct platform_device *pdev)
        int i, irq, ret = 0;
        struct resource *r;
        const struct of_device_id *of_id;
+        static int dev_id;
        of_id = of_match_device(fec_dt_ids, &pdev->dev);
        if (of_id)
@@ -1548,6 +1550,7 @@ fec_probe(struct platform_device *pdev)
        fep->hwp = ioremap(r->start, resource_size(r));
        fep->pdev = pdev;
+        fep->dev_id = dev_id++;
        if (!fep->hwp) {
                ret = -ENOMEM;
diff --git a/drivers/net/ethernet/freescale/fsl_pq_mdio.c b/drivers/net/ethernet/freescale/fsl_pq_mdio.c
index 52f4e8ad48e7..4d9f84b8ab97 100644
--- a/drivers/net/ethernet/freescale/fsl_pq_mdio.c
+++ b/drivers/net/ethernet/freescale/fsl_pq_mdio.c
@@ -183,28 +183,10 @@ void fsl_pq_mdio_bus_name(char *name, struct device_node *np)
 }
 EXPORT_SYMBOL_GPL(fsl_pq_mdio_bus_name);
-/* Scan the bus in reverse, looking for an empty spot */
-static int fsl_pq_mdio_find_free(struct mii_bus *new_bus)
-{
-        int i;
-        for (i = PHY_MAX_ADDR; i > 0; i--) {
-                u32 phy_id;
-                if (get_phy_id(new_bus, i, &phy_id))
-                        return -1;
-                if (phy_id == 0xffffffff)
-                        break;
-        }
-        return i;
-}
-#if defined(CONFIG_GIANFAR) || defined(CONFIG_GIANFAR_MODULE)
 static u32 __iomem *get_gfar_tbipa(struct fsl_pq_mdio __iomem *regs, struct device_node *np)
 {
+#if defined(CONFIG_GIANFAR) || defined(CONFIG_GIANFAR_MODULE)
        struct gfar __iomem *enet_regs;
        /*
@@ -220,15 +202,15 @@ static u32 __iomem *get_gfar_tbipa(struct fsl_pq_mdio __iomem *regs, struct devi
        } else if (of_device_is_compatible(np, "fsl,etsec2-mdio") ||
                        of_device_is_compatible(np, "fsl,etsec2-tbi")) {
                return of_iomap(np, 1);
-        } else
+        }
-                return NULL;
-}
 #endif
+        return NULL;
+}
-#if defined(CONFIG_UCC_GETH) || defined(CONFIG_UCC_GETH_MODULE)
 static int get_ucc_id_for_range(u64 start, u64 end, u32 *ucc_id)
 {
+#if defined(CONFIG_UCC_GETH) || defined(CONFIG_UCC_GETH_MODULE)
        struct device_node *np = NULL;
        int err = 0;
@@ -261,9 +243,10 @@ static int get_ucc_id_for_range(u64 start, u64 end, u32 *ucc_id)
                return err;
        else
                return -EINVAL;
-}
+#else
+        return -ENODEV;
 #endif
+}
 static int fsl_pq_mdio_probe(struct platform_device *ofdev)
 {
@@ -339,19 +322,13 @@ static int fsl_pq_mdio_probe(struct platform_device *ofdev)
                        of_device_is_compatible(np, "fsl,etsec2-mdio") ||
                        of_device_is_compatible(np, "fsl,etsec2-tbi") ||
                        of_device_is_compatible(np, "gianfar")) {
-#if defined(CONFIG_GIANFAR) || defined(CONFIG_GIANFAR_MODULE)
                tbipa = get_gfar_tbipa(regs, np);
                if (!tbipa) {
                        err = -EINVAL;
                        goto err_free_irqs;
                }
-#else
-                err = -ENODEV;
-                goto err_free_irqs;
-#endif
        } else if (of_device_is_compatible(np, "fsl,ucc-mdio") ||
                        of_device_is_compatible(np, "ucc_geth_phy")) {
-#if defined(CONFIG_UCC_GETH) || defined(CONFIG_UCC_GETH_MODULE)
                u32 id;
                static u32 mii_mng_master;
@@ -364,10 +341,6 @@ static int fsl_pq_mdio_probe(struct platform_device *ofdev)
                        mii_mng_master = id;
                        ucc_set_qe_mux_mii_mng(id - 1);
                }
-#else
-                err = -ENODEV;
-                goto err_free_irqs;
-#endif
        } else {
                err = -ENODEV;
                goto err_free_irqs;
@@ -386,16 +359,6 @@ static int fsl_pq_mdio_probe(struct platform_device *ofdev)
        }
        if (tbiaddr == -1) {
-                out_be32(tbipa, 0);
-                tbiaddr = fsl_pq_mdio_find_free(new_bus);
-        }
-        /*
-         * We define TBIPA at 0 to be illegal, opting to fail for boards that
-         * have PHYs at 1-31, rather than change tbipa and rescan.
-         */
-        if (tbiaddr == 0) {
                err = -EBUSY;
                goto err_free_irqs;
diff --git a/drivers/net/ethernet/ibm/ehea/ehea.h b/drivers/net/ethernet/ibm/ehea/ehea.h
index 410d6a1984ed..6650068c996c 100644
--- a/drivers/net/ethernet/ibm/ehea/ehea.h
+++ b/drivers/net/ethernet/ibm/ehea/ehea.h
@@ -61,9 +61,9 @@
 #ifdef EHEA_SMALL_QUEUES
 #define EHEA_MAX_CQE_COUNT      1023
 #define EHEA_DEF_ENTRIES_SQ     1023
-#define EHEA_DEF_ENTRIES_RQ1    4095
+#define EHEA_DEF_ENTRIES_RQ1    1023
 #define EHEA_DEF_ENTRIES_RQ2    1023
-#define EHEA_DEF_ENTRIES_RQ3    1023
+#define EHEA_DEF_ENTRIES_RQ3    511
 #else
 #define EHEA_MAX_CQE_COUNT      4080
 #define EHEA_DEF_ENTRIES_SQ     4080
diff --git a/drivers/net/ethernet/ibm/ehea/ehea_main.c b/drivers/net/ethernet/ibm/ehea/ehea_main.c
index 37b70f7052b6..bfeccbfde236 100644
--- a/drivers/net/ethernet/ibm/ehea/ehea_main.c
+++ b/drivers/net/ethernet/ibm/ehea/ehea_main.c
@@ -371,7 +371,8 @@ static void ehea_update_stats(struct work_struct *work)
 out_herr:
        free_page((unsigned long)cb2);
 resched:
-        schedule_delayed_work(&port->stats_work, msecs_to_jiffies(1000));
+        schedule_delayed_work(&port->stats_work,
+                              round_jiffies_relative(msecs_to_jiffies(1000)));
 }
 static void ehea_refill_rq1(struct ehea_port_res *pr, int index, int nr_of_wqes)
@@ -2434,7 +2435,8 @@ static int ehea_open(struct net_device *dev)
        }
        mutex_unlock(&port->port_lock);
-        schedule_delayed_work(&port->stats_work, msecs_to_jiffies(1000));
+        schedule_delayed_work(&port->stats_work,
+                              round_jiffies_relative(msecs_to_jiffies(1000)));
        return ret;
 }
diff --git a/drivers/net/ethernet/ibm/iseries_veth.c b/drivers/net/ethernet/ibm/iseries_veth.c
index 4326681df382..acc31af6594a 100644
--- a/drivers/net/ethernet/ibm/iseries_veth.c
+++ b/drivers/net/ethernet/ibm/iseries_veth.c
@@ -1421,7 +1421,7 @@ static void veth_receive(struct veth_lpar_connection *cnx,
                /* FIXME: do we need this? */
                memset(local_list, 0, sizeof(local_list));
-                memset(remote_list, 0, sizeof(VETH_MAX_FRAMES_PER_MSG));
+                memset(remote_list, 0, sizeof(remote_list));
                /* a 0 address marks the end of the valid entries */
                if (senddata->addr[startchunk] == 0)
diff --git a/drivers/net/ethernet/jme.c b/drivers/net/ethernet/jme.c
index 7becff1f387d..76b84573566b 100644
--- a/drivers/net/ethernet/jme.c
+++ b/drivers/net/ethernet/jme.c
@@ -1745,6 +1745,112 @@ jme_phy_off(struct jme_adapter *jme)
 }
 static int
+jme_phy_specreg_read(struct jme_adapter *jme, u32 specreg)
+{
+        u32 phy_addr;
+        phy_addr = JM_PHY_SPEC_REG_READ | specreg;
+        jme_mdio_write(jme->dev, jme->mii_if.phy_id, JM_PHY_SPEC_ADDR_REG,
+                        phy_addr);
+        return jme_mdio_read(jme->dev, jme->mii_if.phy_id,
+                        JM_PHY_SPEC_DATA_REG);
+}
+static void
+jme_phy_specreg_write(struct jme_adapter *jme, u32 ext_reg, u32 phy_data)
+{
+        u32 phy_addr;
+        phy_addr = JM_PHY_SPEC_REG_WRITE | ext_reg;
+        jme_mdio_write(jme->dev, jme->mii_if.phy_id, JM_PHY_SPEC_DATA_REG,
+                        phy_data);
+        jme_mdio_write(jme->dev, jme->mii_if.phy_id, JM_PHY_SPEC_ADDR_REG,
+                        phy_addr);
+}
+static int
+jme_phy_calibration(struct jme_adapter *jme)
+{
+        u32 ctrl1000, phy_data;
+        jme_phy_off(jme);
+        jme_phy_on(jme);
+        /*  Enabel PHY test mode 1 */
+        ctrl1000 = jme_mdio_read(jme->dev, jme->mii_if.phy_id, MII_CTRL1000);
+        ctrl1000 &= ~PHY_GAD_TEST_MODE_MSK;
+        ctrl1000 |= PHY_GAD_TEST_MODE_1;
+        jme_mdio_write(jme->dev, jme->mii_if.phy_id, MII_CTRL1000, ctrl1000);
+        phy_data = jme_phy_specreg_read(jme, JM_PHY_EXT_COMM_2_REG);
+        phy_data &= ~JM_PHY_EXT_COMM_2_CALI_MODE_0;
+        phy_data |= JM_PHY_EXT_COMM_2_CALI_LATCH |
+                        JM_PHY_EXT_COMM_2_CALI_ENABLE;
+        jme_phy_specreg_write(jme, JM_PHY_EXT_COMM_2_REG, phy_data);
+        msleep(20);
+        phy_data = jme_phy_specreg_read(jme, JM_PHY_EXT_COMM_2_REG);
+        phy_data &= ~(JM_PHY_EXT_COMM_2_CALI_ENABLE |
+                        JM_PHY_EXT_COMM_2_CALI_MODE_0 |
+                        JM_PHY_EXT_COMM_2_CALI_LATCH);
+        jme_phy_specreg_write(jme, JM_PHY_EXT_COMM_2_REG, phy_data);
+        /*  Disable PHY test mode */
+        ctrl1000 = jme_mdio_read(jme->dev, jme->mii_if.phy_id, MII_CTRL1000);
+        ctrl1000 &= ~PHY_GAD_TEST_MODE_MSK;
+        jme_mdio_write(jme->dev, jme->mii_if.phy_id, MII_CTRL1000, ctrl1000);
+        return 0;
+}
+static int
+jme_phy_setEA(struct jme_adapter *jme)
+{
+        u32 phy_comm0 = 0, phy_comm1 = 0;
+        u8 nic_ctrl;
+        pci_read_config_byte(jme->pdev, PCI_PRIV_SHARE_NICCTRL, &nic_ctrl);
+        if ((nic_ctrl & 0x3) == JME_FLAG_PHYEA_ENABLE)
+                return 0;
+        switch (jme->pdev->device) {
+        case PCI_DEVICE_ID_JMICRON_JMC250:
+                if (((jme->chip_main_rev == 5) &&
+                        ((jme->chip_sub_rev == 0) || (jme->chip_sub_rev == 1) ||
+                        (jme->chip_sub_rev == 3))) ||
+                        (jme->chip_main_rev >= 6)) {
+                        phy_comm0 = 0x008A;
+                        phy_comm1 = 0x4109;
+                }
+                if ((jme->chip_main_rev == 3) &&
+                        ((jme->chip_sub_rev == 1) || (jme->chip_sub_rev == 2)))
+                        phy_comm0 = 0xE088;
+                break;
+        case PCI_DEVICE_ID_JMICRON_JMC260:
+                if (((jme->chip_main_rev == 5) &&
+                        ((jme->chip_sub_rev == 0) || (jme->chip_sub_rev == 1) ||
+                        (jme->chip_sub_rev == 3))) ||
+                        (jme->chip_main_rev >= 6)) {
+                        phy_comm0 = 0x008A;
+                        phy_comm1 = 0x4109;
+                }
+                if ((jme->chip_main_rev == 3) &&
+                        ((jme->chip_sub_rev == 1) || (jme->chip_sub_rev == 2)))
+                        phy_comm0 = 0xE088;
+                if ((jme->chip_main_rev == 2) && (jme->chip_sub_rev == 0))
+                        phy_comm0 = 0x608A;
+                if ((jme->chip_main_rev == 2) && (jme->chip_sub_rev == 2))
+                        phy_comm0 = 0x408A;
+                break;
+        default:
+                return -ENODEV;
+        }
+        if (phy_comm0)
+                jme_phy_specreg_write(jme, JM_PHY_EXT_COMM_0_REG, phy_comm0);
+        if (phy_comm1)
+                jme_phy_specreg_write(jme, JM_PHY_EXT_COMM_1_REG, phy_comm1);
+        return 0;
+}
+static int
 jme_open(struct net_device *netdev)
 {
        struct jme_adapter *jme = netdev_priv(netdev);
@@ -1769,7 +1875,8 @@ jme_open(struct net_device *netdev)
                jme_set_settings(netdev, &jme->old_ecmd);
        else
                jme_reset_phy_processor(jme);
+        jme_phy_calibration(jme);
+        jme_phy_setEA(jme);
        jme_reset_link(jme);
        return 0;
@@ -3184,7 +3291,8 @@ jme_resume(struct device *dev)
                jme_set_settings(netdev, &jme->old_ecmd);
        else
                jme_reset_phy_processor(jme);
+        jme_phy_calibration(jme);
+        jme_phy_setEA(jme);
        jme_start_irq(jme);
        netif_device_attach(netdev);
@@ -3239,4 +3347,3 @@ MODULE_DESCRIPTION("JMicron JMC2x0 PCI Express Ethernet driver");
 MODULE_LICENSE("GPL");
 MODULE_VERSION(DRV_VERSION);
 MODULE_DEVICE_TABLE(pci, jme_pci_tbl);
diff --git a/drivers/net/ethernet/jme.h b/drivers/net/ethernet/jme.h
index 02ea27c1dcb5..4304072bd3c5 100644
--- a/drivers/net/ethernet/jme.h
+++ b/drivers/net/ethernet/jme.h
@@ -760,6 +760,25 @@ enum jme_rxmcs_bits {
                                  RXMCS_CHECKSUM,
 };
+/*      Extern PHY common register 2    */
+#define PHY_GAD_TEST_MODE_1                     0x00002000
+#define PHY_GAD_TEST_MODE_MSK                   0x0000E000
+#define JM_PHY_SPEC_REG_READ                    0x00004000
+#define JM_PHY_SPEC_REG_WRITE                   0x00008000
+#define PHY_CALIBRATION_DELAY                   20
+#define JM_PHY_SPEC_ADDR_REG                    0x1E
+#define JM_PHY_SPEC_DATA_REG                    0x1F
+#define JM_PHY_EXT_COMM_0_REG                   0x30
+#define JM_PHY_EXT_COMM_1_REG                   0x31
+#define JM_PHY_EXT_COMM_2_REG                   0x32
+#define JM_PHY_EXT_COMM_2_CALI_ENABLE           0x01
+#define JM_PHY_EXT_COMM_2_CALI_MODE_0           0x02
+#define JM_PHY_EXT_COMM_2_CALI_LATCH            0x10
+#define PCI_PRIV_SHARE_NICCTRL                  0xF5
+#define JME_FLAG_PHYEA_ENABLE                   0x2
 /*
 * Wakeup Frame setup interface registers
 */
diff --git a/drivers/net/ethernet/lantiq_etop.c b/drivers/net/ethernet/lantiq_etop.c
index 6bb2b9506cad..0b3567ab8121 100644
--- a/drivers/net/ethernet/lantiq_etop.c
+++ b/drivers/net/ethernet/lantiq_etop.c
@@ -34,6 +34,8 @@
 #include <linux/init.h>
 #include <linux/delay.h>
 #include <linux/io.h>
+#include <linux/dma-mapping.h>
+#include <linux/module.h>
 #include <asm/checksum.h>
diff --git a/drivers/net/ethernet/marvell/sky2.c b/drivers/net/ethernet/marvell/sky2.c
index fdc6c394c683..7803efa46eb2 100644
--- a/drivers/net/ethernet/marvell/sky2.c
+++ b/drivers/net/ethernet/marvell/sky2.c
@@ -50,7 +50,7 @@
 #include "sky2.h"
 #define DRV_NAME                "sky2"
-#define DRV_VERSION             "1.29"
+#define DRV_VERSION             "1.30"
 /*
 * The Yukon II chipset takes 64 bit command blocks (called list elements)
@@ -68,7 +68,7 @@
 #define MAX_SKB_TX_LE   (2 + (sizeof(dma_addr_t)/sizeof(u32))*(MAX_SKB_FRAGS+1))
 #define TX_MIN_PENDING          (MAX_SKB_TX_LE+1)
 #define TX_MAX_PENDING          1024
-#define TX_DEF_PENDING          127
+#define TX_DEF_PENDING          63
 #define TX_WATCHDOG             (5 * HZ)
 #define NAPI_WEIGHT             64
@@ -869,6 +869,7 @@ static void sky2_wol_init(struct sky2_port *sky2)
        /* block receiver */
        sky2_write8(hw, SK_REG(port, RX_GMF_CTRL_T), GMF_RST_SET);
+        sky2_read32(hw, B0_CTST);
 }
 static void sky2_set_tx_stfwd(struct sky2_hw *hw, unsigned port)
@@ -1274,6 +1275,14 @@ static void rx_set_checksum(struct sky2_port *sky2)
                     ? BMU_ENA_RX_CHKSUM : BMU_DIS_RX_CHKSUM);
 }
+/*
+ * Fixed initial key as seed to RSS.
+ */
+static const uint32_t rss_init_key[10] = {
+        0x7c3351da, 0x51c5cf4e, 0x44adbdd1, 0xe8d38d18, 0x48897c43,
+        0xb1d60e7e, 0x6a3dd760, 0x01a2e453, 0x16f46f13, 0x1a0e7b30
+};
 /* Enable/disable receive hash calculation (RSS) */
 static void rx_set_rss(struct net_device *dev, u32 features)
 {
@@ -1289,12 +1298,9 @@ static void rx_set_rss(struct net_device *dev, u32 features)
        /* Program RSS initial values */
        if (features & NETIF_F_RXHASH) {
-                u32 key[nkeys];
-                get_random_bytes(key, nkeys * sizeof(u32));
                for (i = 0; i < nkeys; i++)
                        sky2_write32(hw, SK_REG(sky2->port, RSS_KEY + i * 4),
-                                     key[i]);
+                                     rss_init_key[i]);
                /* Need to turn on (undocumented) flag to make hashing work  */
                sky2_write32(hw, SK_REG(sky2->port, RX_GMF_CTRL_T),
@@ -1717,6 +1723,8 @@ static int sky2_setup_irq(struct sky2_hw *hw, const char *name)
        if (err)
                dev_err(&pdev->dev, "cannot assign irq %d\n", pdev->irq);
        else {
+                hw->flags |= SKY2_HW_IRQ_SETUP;
                napi_enable(&hw->napi);
                sky2_write32(hw, B0_IMSK, Y2_IS_BASE);
                sky2_read32(hw, B0_IMSK);
@@ -1727,7 +1735,7 @@ static int sky2_setup_irq(struct sky2_hw *hw, const char *name)
 /* Bring up network interface. */
-static int sky2_up(struct net_device *dev)
+static int sky2_open(struct net_device *dev)
 {
        struct sky2_port *sky2 = netdev_priv(dev);
        struct sky2_hw *hw = sky2->hw;
@@ -1747,6 +1755,11 @@ static int sky2_up(struct net_device *dev)
        sky2_hw_up(sky2);
+        if (hw->chip_id == CHIP_ID_YUKON_OPT ||
+            hw->chip_id == CHIP_ID_YUKON_PRM ||
+            hw->chip_id == CHIP_ID_YUKON_OP_2)
+                imask |= Y2_IS_PHY_QLNK;        /* enable PHY Quick Link */
        /* Enable interrupts from phy/mac for port */
        imask = sky2_read32(hw, B0_IMSK);
        imask |= portirq_msk[port];
@@ -2040,6 +2053,8 @@ static void sky2_tx_reset(struct sky2_hw *hw, unsigned port)
        sky2_write32(hw, RB_ADDR(txqaddr[port], RB_CTRL), RB_RST_SET);
        sky2_write8(hw, SK_REG(port, TX_GMF_CTRL_T), GMF_RST_SET);
+        sky2_read32(hw, B0_CTST);
 }
 static void sky2_hw_down(struct sky2_port *sky2)
@@ -2090,7 +2105,7 @@ static void sky2_hw_down(struct sky2_port *sky2)
 }
 /* Network shutdown */
-static int sky2_down(struct net_device *dev)
+static int sky2_close(struct net_device *dev)
 {
        struct sky2_port *sky2 = netdev_priv(dev);
        struct sky2_hw *hw = sky2->hw;
@@ -2101,15 +2116,22 @@ static int sky2_down(struct net_device *dev)
        netif_info(sky2, ifdown, dev, "disabling interface\n");
-        /* Disable port IRQ */
-        sky2_write32(hw, B0_IMSK,
-                     sky2_read32(hw, B0_IMSK) & ~portirq_msk[sky2->port]);
-        sky2_read32(hw, B0_IMSK);
        if (hw->ports == 1) {
+                sky2_write32(hw, B0_IMSK, 0);
+                sky2_read32(hw, B0_IMSK);
                napi_disable(&hw->napi);
                free_irq(hw->pdev->irq, hw);
+                hw->flags &= ~SKY2_HW_IRQ_SETUP;
        } else {
+                u32 imask;
+                /* Disable port IRQ */
+                imask  = sky2_read32(hw, B0_IMSK);
+                imask &= ~portirq_msk[sky2->port];
+                sky2_write32(hw, B0_IMSK, imask);
+                sky2_read32(hw, B0_IMSK);
                synchronize_irq(hw->pdev->irq);
                napi_synchronize(&hw->napi);
        }
@@ -2587,7 +2609,7 @@ static inline void sky2_tx_done(struct net_device *dev, u16 last)
        if (netif_running(dev)) {
                sky2_tx_complete(sky2, last);
-                /* Wake unless it's detached, and called e.g. from sky2_down() */
+                /* Wake unless it's detached, and called e.g. from sky2_close() */
                if (tx_avail(sky2) > MAX_SKB_TX_LE + 4)
                        netif_wake_queue(dev);
        }
@@ -3258,7 +3280,6 @@ static void sky2_reset(struct sky2_hw *hw)
            hw->chip_id == CHIP_ID_YUKON_PRM ||
            hw->chip_id == CHIP_ID_YUKON_OP_2) {
                u16 reg;
-                u32 msk;
                if (hw->chip_id == CHIP_ID_YUKON_OPT && hw->chip_rev == 0) {
                        /* disable PCI-E PHY power down (set PHY reg 0x80, bit 7 */
@@ -3281,11 +3302,6 @@ static void sky2_reset(struct sky2_hw *hw)
                sky2_write8(hw, B2_TST_CTRL1, TST_CFG_WRITE_ON);
                sky2_pci_write16(hw, PSM_CONFIG_REG4, reg);
-                /* enable PHY Quick Link */
-                msk = sky2_read32(hw, B0_IMSK);
-                msk |= Y2_IS_PHY_QLNK;
-                sky2_write32(hw, B0_IMSK, msk);
                /* check if PSMv2 was running before */
                reg = sky2_pci_read16(hw, PSM_CONFIG_REG3);
                if (reg & PCI_EXP_LNKCTL_ASPMC)
@@ -3383,7 +3399,7 @@ static void sky2_detach(struct net_device *dev)
                netif_tx_lock(dev);
                netif_device_detach(dev);       /* stop txq */
                netif_tx_unlock(dev);
-                sky2_down(dev);
+                sky2_close(dev);
        }
 }
@@ -3393,7 +3409,7 @@ static int sky2_reattach(struct net_device *dev)
        int err = 0;
        if (netif_running(dev)) {
-                err = sky2_up(dev);
+                err = sky2_open(dev);
                if (err) {
                        netdev_info(dev, "could not restart %d\n", err);
                        dev_close(dev);
@@ -3410,10 +3426,13 @@ static void sky2_all_down(struct sky2_hw *hw)
 {
        int i;
-        sky2_read32(hw, B0_IMSK);
+        if (hw->flags & SKY2_HW_IRQ_SETUP) {
-        sky2_write32(hw, B0_IMSK, 0);
+                sky2_read32(hw, B0_IMSK);
-        synchronize_irq(hw->pdev->irq);
+                sky2_write32(hw, B0_IMSK, 0);
-        napi_disable(&hw->napi);
+                synchronize_irq(hw->pdev->irq);
+                napi_disable(&hw->napi);
+        }
        for (i = 0; i < hw->ports; i++) {
                struct net_device *dev = hw->dev[i];
@@ -3446,11 +3465,12 @@ static void sky2_all_up(struct sky2_hw *hw)
                netif_wake_queue(dev);
        }
-        sky2_write32(hw, B0_IMSK, imask);
+        if (hw->flags & SKY2_HW_IRQ_SETUP) {
-        sky2_read32(hw, B0_IMSK);
+                sky2_write32(hw, B0_IMSK, imask);
+                sky2_read32(hw, B0_IMSK);
-        sky2_read32(hw, B0_Y2_SP_LISR);
+                sky2_read32(hw, B0_Y2_SP_LISR);
-        napi_enable(&hw->napi);
+                napi_enable(&hw->napi);
+        }
 }
 static void sky2_restart(struct work_struct *work)
@@ -4071,6 +4091,16 @@ static int sky2_set_coalesce(struct net_device *dev,
        return 0;
 }
+/*
+ * Hardware is limited to min of 128 and max of 2048 for ring size
+ * and  rounded up to next power of two
+ * to avoid division in modulus calclation
+ */
+static unsigned long roundup_ring_size(unsigned long pending)
+{
+        return max(128ul, roundup_pow_of_two(pending+1));
+}
 static void sky2_get_ringparam(struct net_device *dev,
                               struct ethtool_ringparam *ering)
 {
@@ -4098,7 +4128,7 @@ static int sky2_set_ringparam(struct net_device *dev,
        sky2->rx_pending = ering->rx_pending;
        sky2->tx_pending = ering->tx_pending;
-        sky2->tx_ring_size = roundup_pow_of_two(sky2->tx_pending+1);
+        sky2->tx_ring_size = roundup_ring_size(sky2->tx_pending);
        return sky2_reattach(dev);
 }
@@ -4556,7 +4586,7 @@ static int sky2_device_event(struct notifier_block *unused,
        struct net_device *dev = ptr;
        struct sky2_port *sky2 = netdev_priv(dev);
-        if (dev->netdev_ops->ndo_open != sky2_up || !sky2_debug)
+        if (dev->netdev_ops->ndo_open != sky2_open || !sky2_debug)
                return NOTIFY_DONE;
        switch (event) {
@@ -4621,8 +4651,8 @@ static __exit void sky2_debug_cleanup(void)
   not allowing netpoll on second port */
 static const struct net_device_ops sky2_netdev_ops[2] = {
  {
-        .ndo_open               = sky2_up,
+        .ndo_open               = sky2_open,
-        .ndo_stop               = sky2_down,
+        .ndo_stop               = sky2_close,
        .ndo_start_xmit         = sky2_xmit_frame,
        .ndo_do_ioctl           = sky2_ioctl,
        .ndo_validate_addr      = eth_validate_addr,
@@ -4638,8 +4668,8 @@ static const struct net_device_ops sky2_netdev_ops[2] = {
 #endif
  },
  {
-        .ndo_open               = sky2_up,
+        .ndo_open               = sky2_open,
-        .ndo_stop               = sky2_down,
+        .ndo_stop               = sky2_close,
        .ndo_start_xmit         = sky2_xmit_frame,
        .ndo_do_ioctl           = sky2_ioctl,
        .ndo_validate_addr      = eth_validate_addr,
@@ -4692,7 +4722,7 @@ static __devinit struct net_device *sky2_init_netdev(struct sky2_hw *hw,
        spin_lock_init(&sky2->phy_lock);
        sky2->tx_pending = TX_DEF_PENDING;
-        sky2->tx_ring_size = roundup_pow_of_two(TX_DEF_PENDING+1);
+        sky2->tx_ring_size = roundup_ring_size(TX_DEF_PENDING);
        sky2->rx_pending = RX_DEF_PENDING;
        hw->dev[port] = dev;
diff --git a/drivers/net/ethernet/marvell/sky2.h b/drivers/net/ethernet/marvell/sky2.h
index 0af31b8b5f10..ff6f58bf822a 100644
--- a/drivers/net/ethernet/marvell/sky2.h
+++ b/drivers/net/ethernet/marvell/sky2.h
@@ -2287,6 +2287,7 @@ struct sky2_hw {
 #define SKY2_HW_RSS_BROKEN      0x00000100
 #define SKY2_HW_VLAN_BROKEN     0x00000200
 #define SKY2_HW_RSS_CHKSUM      0x00000400      /* RSS requires chksum */
+#define SKY2_HW_IRQ_SETUP       0x00000800
        u8                   chip_id;
        u8                   chip_rev;
diff --git a/drivers/net/ethernet/mellanox/mlx4/en_rx.c b/drivers/net/ethernet/mellanox/mlx4/en_rx.c
index b89c36dbf5b3..c2df6c358603 100644
--- a/drivers/net/ethernet/mellanox/mlx4/en_rx.c
+++ b/drivers/net/ethernet/mellanox/mlx4/en_rx.c
@@ -581,6 +581,7 @@ int mlx4_en_process_rx_cq(struct net_device *dev, struct mlx4_en_cq *cq, int bud
                 * Packet is OK - process it.
                 */
                length = be32_to_cpu(cqe->byte_cnt);
+                length -= ring->fcs_del;
                ring->bytes += length;
                ring->packets++;
@@ -813,8 +814,11 @@ static int mlx4_en_config_rss_qp(struct mlx4_en_priv *priv, int qpn,
        context->db_rec_addr = cpu_to_be64(ring->wqres.db.dma);
        /* Cancel FCS removal if FW allows */
-        if (mdev->dev->caps.flags & MLX4_DEV_CAP_FLAG_FCS_KEEP)
+        if (mdev->dev->caps.flags & MLX4_DEV_CAP_FLAG_FCS_KEEP) {
                context->param3 |= cpu_to_be32(1 << 29);
+                ring->fcs_del = ETH_FCS_LEN;
+        } else
+                ring->fcs_del = 0;
        err = mlx4_qp_to_ready(mdev->dev, &ring->wqres.mtt, context, qp, state);
        if (err) {
diff --git a/drivers/net/ethernet/mellanox/mlx4/mlx4_en.h b/drivers/net/ethernet/mellanox/mlx4/mlx4_en.h
index 8fda331c65df..207b5add3ca8 100644
--- a/drivers/net/ethernet/mellanox/mlx4/mlx4_en.h
+++ b/drivers/net/ethernet/mellanox/mlx4/mlx4_en.h
@@ -272,6 +272,7 @@ struct mlx4_en_rx_ring {
        u32 prod;
        u32 cons;
        u32 buf_size;
+        u8  fcs_del;
        void *buf;
        void *rx_info;
        unsigned long bytes;
diff --git a/drivers/net/ethernet/nvidia/forcedeth.c b/drivers/net/ethernet/nvidia/forcedeth.c
index 1dca57013cb2..1c61d36e6570 100644
--- a/drivers/net/ethernet/nvidia/forcedeth.c
+++ b/drivers/net/ethernet/nvidia/forcedeth.c
@@ -609,7 +609,7 @@ struct nv_ethtool_str {
 };
 static const struct nv_ethtool_str nv_estats_str[] = {
-        { "tx_bytes" },
+        { "tx_bytes" }, /* includes Ethernet FCS CRC */
        { "tx_zero_rexmt" },
        { "tx_one_rexmt" },
        { "tx_many_rexmt" },
@@ -637,7 +637,7 @@ static const struct nv_ethtool_str nv_estats_str[] = {
        /* version 2 stats */
        { "tx_deferral" },
        { "tx_packets" },
-        { "rx_bytes" },
+        { "rx_bytes" }, /* includes Ethernet FCS CRC */
        { "tx_pause" },
        { "rx_pause" },
        { "rx_drop_frame" },
@@ -649,7 +649,7 @@ static const struct nv_ethtool_str nv_estats_str[] = {
 };
 struct nv_ethtool_stats {
-        u64 tx_bytes;
+        u64 tx_bytes; /* should be ifconfig->tx_bytes + 4*tx_packets */
        u64 tx_zero_rexmt;
        u64 tx_one_rexmt;
        u64 tx_many_rexmt;
@@ -670,14 +670,14 @@ struct nv_ethtool_stats {
        u64 rx_unicast;
        u64 rx_multicast;
        u64 rx_broadcast;
-        u64 rx_packets;
+        u64 rx_packets; /* should be ifconfig->rx_packets */
        u64 rx_errors_total;
        u64 tx_errors_total;
        /* version 2 stats */
        u64 tx_deferral;
-        u64 tx_packets;
+        u64 tx_packets; /* should be ifconfig->tx_packets */
-        u64 rx_bytes;
+        u64 rx_bytes;   /* should be ifconfig->rx_bytes + 4*rx_packets */
        u64 tx_pause;
        u64 rx_pause;
        u64 rx_drop_frame;
@@ -1706,10 +1706,17 @@ static struct net_device_stats *nv_get_stats(struct net_device *dev)
        if (np->driver_data & (DEV_HAS_STATISTICS_V1|DEV_HAS_STATISTICS_V2|DEV_HAS_STATISTICS_V3)) {
                nv_get_hw_stats(dev);
+                /*
+                 * Note: because HW stats are not always available and
+                 * for consistency reasons, the following ifconfig
+                 * stats are managed by software: rx_bytes, tx_bytes,
+                 * rx_packets and tx_packets. The related hardware
+                 * stats reported by ethtool should be equivalent to
+                 * these ifconfig stats, with 4 additional bytes per
+                 * packet (Ethernet FCS CRC).
+                 */
                /* copy to net_device stats */
-                dev->stats.tx_packets = np->estats.tx_packets;
-                dev->stats.rx_bytes = np->estats.rx_bytes;
-                dev->stats.tx_bytes = np->estats.tx_bytes;
                dev->stats.tx_fifo_errors = np->estats.tx_fifo_errors;
                dev->stats.tx_carrier_errors = np->estats.tx_carrier_errors;
                dev->stats.rx_crc_errors = np->estats.rx_crc_errors;
@@ -2380,6 +2387,9 @@ static int nv_tx_done(struct net_device *dev, int limit)
                                if (flags & NV_TX_ERROR) {
                                        if ((flags & NV_TX_RETRYERROR) && !(flags & NV_TX_RETRYCOUNT_MASK))
                                                nv_legacybackoff_reseed(dev);
+                                } else {
+                                        dev->stats.tx_packets++;
+                                        dev->stats.tx_bytes += np->get_tx_ctx->skb->len;
                                }
                                dev_kfree_skb_any(np->get_tx_ctx->skb);
                                np->get_tx_ctx->skb = NULL;
@@ -2390,6 +2400,9 @@ static int nv_tx_done(struct net_device *dev, int limit)
                                if (flags & NV_TX2_ERROR) {
                                        if ((flags & NV_TX2_RETRYERROR) && !(flags & NV_TX2_RETRYCOUNT_MASK))
                                                nv_legacybackoff_reseed(dev);
+                                } else {
+                                        dev->stats.tx_packets++;
+                                        dev->stats.tx_bytes += np->get_tx_ctx->skb->len;
                                }
                                dev_kfree_skb_any(np->get_tx_ctx->skb);
                                np->get_tx_ctx->skb = NULL;
@@ -2429,6 +2442,9 @@ static int nv_tx_done_optimized(struct net_device *dev, int limit)
                                        else
                                                nv_legacybackoff_reseed(dev);
                                }
+                        } else {
+                                dev->stats.tx_packets++;
+                                dev->stats.tx_bytes += np->get_tx_ctx->skb->len;
                        }
                        dev_kfree_skb_any(np->get_tx_ctx->skb);
@@ -2678,6 +2694,7 @@ static int nv_rx_process(struct net_device *dev, int limit)
                skb->protocol = eth_type_trans(skb, dev);
                napi_gro_receive(&np->napi, skb);
                dev->stats.rx_packets++;
+                dev->stats.rx_bytes += len;
 next_pkt:
                if (unlikely(np->get_rx.orig++ == np->last_rx.orig))
                        np->get_rx.orig = np->first_rx.orig;
@@ -2761,6 +2778,7 @@ static int nv_rx_process_optimized(struct net_device *dev, int limit)
                        }
                        napi_gro_receive(&np->napi, skb);
                        dev->stats.rx_packets++;
+                        dev->stats.rx_bytes += len;
                } else {
                        dev_kfree_skb(skb);
                }
diff --git a/drivers/net/ethernet/oki-semi/pch_gbe/pch_gbe_param.c b/drivers/net/ethernet/oki-semi/pch_gbe/pch_gbe_param.c
index 9c075ea2682e..9cb5f912e489 100644
--- a/drivers/net/ethernet/oki-semi/pch_gbe/pch_gbe_param.c
+++ b/drivers/net/ethernet/oki-semi/pch_gbe/pch_gbe_param.c
@@ -18,8 +18,8 @@
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307, USA.
 */
-#include <linux/module.h>       /* for __MODULE_STRING */
 #include "pch_gbe.h"
+#include <linux/module.h>       /* for __MODULE_STRING */
 #define OPTION_UNSET   -1
 #define OPTION_DISABLED 0
diff --git a/drivers/net/ethernet/pasemi/Makefile b/drivers/net/ethernet/pasemi/Makefile
index 05db5434bafc..90497ffb1ac3 100644
--- a/drivers/net/ethernet/pasemi/Makefile
+++ b/drivers/net/ethernet/pasemi/Makefile
@@ -2,4 +2,5 @@
 # Makefile for the A Semi network device drivers.
 #
-obj-$(CONFIG_PASEMI_MAC) += pasemi_mac.o pasemi_mac_ethtool.o
+obj-$(CONFIG_PASEMI_MAC) += pasemi_mac_driver.o
+pasemi_mac_driver-objs := pasemi_mac.o pasemi_mac_ethtool.o
diff --git a/drivers/net/ethernet/qlogic/qlge/qlge.h b/drivers/net/ethernet/qlogic/qlge/qlge.h
index 8731f79c9efc..b8478aab050e 100644
--- a/drivers/net/ethernet/qlogic/qlge/qlge.h
+++ b/drivers/net/ethernet/qlogic/qlge/qlge.h
@@ -58,10 +58,8 @@
 #define TX_DESC_PER_IOCB 8
-/* The maximum number of frags we handle is based
- * on PAGE_SIZE...
+#if ((MAX_SKB_FRAGS - TX_DESC_PER_IOCB) + 2) > 0
- */
-#if (PAGE_SHIFT == 12) || (PAGE_SHIFT == 13)    /* 4k & 8k pages */
 #define TX_DESC_PER_OAL ((MAX_SKB_FRAGS - TX_DESC_PER_IOCB) + 2)
 #else /* all other page sizes */
 #define TX_DESC_PER_OAL 0
@@ -1353,7 +1351,7 @@ struct tx_ring_desc {
        struct ob_mac_iocb_req *queue_entry;
        u32 index;
        struct oal oal;
-        struct map_list map[MAX_SKB_FRAGS + 1];
+        struct map_list map[MAX_SKB_FRAGS + 2];
        int map_cnt;
        struct tx_ring_desc *next;
 };
diff --git a/drivers/net/ethernet/rdc/r6040.c b/drivers/net/ethernet/rdc/r6040.c
index 1fc01ca72b46..4bf68cfef390 100644
--- a/drivers/net/ethernet/rdc/r6040.c
+++ b/drivers/net/ethernet/rdc/r6040.c
@@ -940,7 +940,7 @@ static void r6040_multicast_list(struct net_device *dev)
        iowrite16(lp->mcr0, ioaddr + MCR0);
        /* Fill the MAC hash tables with their values */
-        if (lp->mcr0 && MCR0_HASH_EN) {
+        if (lp->mcr0 & MCR0_HASH_EN) {
                iowrite16(hash_table[0], ioaddr + MAR0);
                iowrite16(hash_table[1], ioaddr + MAR1);
                iowrite16(hash_table[2], ioaddr + MAR2);
diff --git a/drivers/net/ethernet/realtek/r8169.c b/drivers/net/ethernet/realtek/r8169.c
index 92b45f08858f..67bf07819992 100644
--- a/drivers/net/ethernet/realtek/r8169.c
+++ b/drivers/net/ethernet/realtek/r8169.c
@@ -1183,11 +1183,13 @@ static u8 rtl8168d_efuse_read(void __iomem *ioaddr, int reg_addr)
        return value;
 }
-static void rtl8169_irq_mask_and_ack(void __iomem *ioaddr)
+static void rtl8169_irq_mask_and_ack(struct rtl8169_private *tp)
 {
-        RTL_W16(IntrMask, 0x0000);
+        void __iomem *ioaddr = tp->mmio_addr;
-        RTL_W16(IntrStatus, 0xffff);
+        RTL_W16(IntrMask, 0x0000);
+        RTL_W16(IntrStatus, tp->intr_event);
+        RTL_R8(ChipCmd);
 }
 static unsigned int rtl8169_tbi_reset_pending(struct rtl8169_private *tp)
@@ -1292,7 +1294,7 @@ static void __rtl8169_check_link_status(struct net_device *dev,
                netif_carrier_off(dev);
                netif_info(tp, ifdown, dev, "link down\n");
                if (pm)
-                        pm_schedule_suspend(&tp->pci_dev->dev, 100);
+                        pm_schedule_suspend(&tp->pci_dev->dev, 5000);
        }
        spin_unlock_irqrestore(&tp->lock, flags);
 }
@@ -3933,8 +3935,6 @@ static void rtl_hw_reset(struct rtl8169_private *tp)
                        break;
                udelay(100);
        }
-        rtl8169_init_ring_indexes(tp);
 }
 static int __devinit
@@ -4339,7 +4339,7 @@ static void rtl8169_hw_reset(struct rtl8169_private *tp)
        void __iomem *ioaddr = tp->mmio_addr;
        /* Disable interrupts */
-        rtl8169_irq_mask_and_ack(ioaddr);
+        rtl8169_irq_mask_and_ack(tp);
        rtl_rx_close(tp);
@@ -4885,8 +4885,7 @@ static void rtl_hw_start_8168(struct net_device *dev)
        RTL_W16(IntrMitigate, 0x5151);
        /* Work around for RxFIFO overflow. */
-        if (tp->mac_version == RTL_GIGA_MAC_VER_11 ||
+        if (tp->mac_version == RTL_GIGA_MAC_VER_11) {
-            tp->mac_version == RTL_GIGA_MAC_VER_22) {
                tp->intr_event |= RxFIFOOver | PCSTimeout;
                tp->intr_event &= ~RxOverflow;
        }
@@ -5076,6 +5075,11 @@ static void rtl_hw_start_8101(struct net_device *dev)
        void __iomem *ioaddr = tp->mmio_addr;
        struct pci_dev *pdev = tp->pci_dev;
+        if (tp->mac_version >= RTL_GIGA_MAC_VER_30) {
+                tp->intr_event &= ~RxFIFOOver;
+                tp->napi_event &= ~RxFIFOOver;
+        }
        if (tp->mac_version == RTL_GIGA_MAC_VER_13 ||
            tp->mac_version == RTL_GIGA_MAC_VER_16) {
                int cap = pci_pcie_cap(pdev);
@@ -5342,7 +5346,7 @@ static void rtl8169_wait_for_quiescence(struct net_device *dev)
        /* Wait for any pending NAPI task to complete */
        napi_disable(&tp->napi);
-        rtl8169_irq_mask_and_ack(ioaddr);
+        rtl8169_irq_mask_and_ack(tp);
        tp->intr_mask = 0xffff;
        RTL_W16(IntrMask, tp->intr_event);
@@ -5389,14 +5393,16 @@ static void rtl8169_reset_task(struct work_struct *work)
        if (!netif_running(dev))
                goto out_unlock;
+        rtl8169_hw_reset(tp);
        rtl8169_wait_for_quiescence(dev);
        for (i = 0; i < NUM_RX_DESC; i++)
                rtl8169_mark_to_asic(tp->RxDescArray + i, rx_buf_sz);
        rtl8169_tx_clear(tp);
+        rtl8169_init_ring_indexes(tp);
-        rtl8169_hw_reset(tp);
        rtl_hw_start(dev);
        netif_wake_queue(dev);
        rtl8169_check_link_status(dev, tp, tp->mmio_addr);
@@ -5407,11 +5413,6 @@ out_unlock:
 static void rtl8169_tx_timeout(struct net_device *dev)
 {
-        struct rtl8169_private *tp = netdev_priv(dev);
-        rtl8169_hw_reset(tp);
-        /* Let's wait a bit while any (async) irq lands on */
        rtl8169_schedule_work(dev, rtl8169_reset_task);
 }
@@ -5804,6 +5805,10 @@ static irqreturn_t rtl8169_interrupt(int irq, void *dev_instance)
         */
        status = RTL_R16(IntrStatus);
        while (status && status != 0xffff) {
+                status &= tp->intr_event;
+                if (!status)
+                        break;
                handled = 1;
                /* Handle all of the error cases first. These will reset
@@ -5818,27 +5823,9 @@ static irqreturn_t rtl8169_interrupt(int irq, void *dev_instance)
                        switch (tp->mac_version) {
                        /* Work around for rx fifo overflow */
                        case RTL_GIGA_MAC_VER_11:
-                        case RTL_GIGA_MAC_VER_22:
-                        case RTL_GIGA_MAC_VER_26:
                                netif_stop_queue(dev);
                                rtl8169_tx_timeout(dev);
                                goto done;
-                        /* Testers needed. */
-                        case RTL_GIGA_MAC_VER_17:
-                        case RTL_GIGA_MAC_VER_19:
-                        case RTL_GIGA_MAC_VER_20:
-                        case RTL_GIGA_MAC_VER_21:
-                        case RTL_GIGA_MAC_VER_23:
-                        case RTL_GIGA_MAC_VER_24:
-                        case RTL_GIGA_MAC_VER_27:
-                        case RTL_GIGA_MAC_VER_28:
-                        case RTL_GIGA_MAC_VER_31:
-                        /* Experimental science. Pktgen proof. */
-                        case RTL_GIGA_MAC_VER_12:
-                        case RTL_GIGA_MAC_VER_25:
-                                if (status == RxFIFOOver)
-                                        goto done;
-                                break;
                        default:
                                break;
                        }
diff --git a/drivers/net/ethernet/smsc/smsc911x.c b/drivers/net/ethernet/smsc/smsc911x.c
index d2be42aafbef..8843071fe987 100644
--- a/drivers/net/ethernet/smsc/smsc911x.c
+++ b/drivers/net/ethernet/smsc/smsc911x.c
@@ -1937,6 +1937,7 @@ static int __devinit smsc911x_init(struct net_device *dev)
 {
        struct smsc911x_data *pdata = netdev_priv(dev);
        unsigned int byte_test;
+        unsigned int to = 100;
        SMSC_TRACE(pdata, probe, "Driver Parameters:");
        SMSC_TRACE(pdata, probe, "LAN base: 0x%08lX",
@@ -1952,6 +1953,17 @@ static int __devinit smsc911x_init(struct net_device *dev)
                return -ENODEV;
        }
+        /*
+         * poll the READY bit in PMT_CTRL. Any other access to the device is
+         * forbidden while this bit isn't set. Try for 100ms
+         */
+        while (!(smsc911x_reg_read(pdata, PMT_CTRL) & PMT_CTRL_READY_) && --to)
+                udelay(1000);
+        if (to == 0) {
+                pr_err("Device not READY in 100ms aborting\n");
+                return -ENODEV;
+        }
        /* Check byte ordering */
        byte_test = smsc911x_reg_read(pdata, BYTE_TEST);
        SMSC_TRACE(pdata, probe, "BYTE_TEST: 0x%08X", byte_test);
diff --git a/drivers/net/ethernet/stmicro/stmmac/dwmac1000_dma.c b/drivers/net/ethernet/stmicro/stmmac/dwmac1000_dma.c
index da66ac511c4c..4d5402a1d262 100644
--- a/drivers/net/ethernet/stmicro/stmmac/dwmac1000_dma.c
+++ b/drivers/net/ethernet/stmicro/stmmac/dwmac1000_dma.c
@@ -39,10 +39,11 @@ static int dwmac1000_dma_init(void __iomem *ioaddr, int pbl, u32 dma_tx,
        /* DMA SW reset */
        value |= DMA_BUS_MODE_SFT_RESET;
        writel(value, ioaddr + DMA_BUS_MODE);
-        limit = 15000;
+        limit = 10;
        while (limit--) {
                if (!(readl(ioaddr + DMA_BUS_MODE) & DMA_BUS_MODE_SFT_RESET))
                        break;
+                mdelay(10);
        }
        if (limit < 0)
                return -EBUSY;
diff --git a/drivers/net/ethernet/stmicro/stmmac/dwmac100_dma.c b/drivers/net/ethernet/stmicro/stmmac/dwmac100_dma.c
index 627f656b0f3c..bc17fd08b55d 100644
--- a/drivers/net/ethernet/stmicro/stmmac/dwmac100_dma.c
+++ b/drivers/net/ethernet/stmicro/stmmac/dwmac100_dma.c
@@ -41,10 +41,11 @@ static int dwmac100_dma_init(void __iomem *ioaddr, int pbl, u32 dma_tx,
        /* DMA SW reset */
        value |= DMA_BUS_MODE_SFT_RESET;
        writel(value, ioaddr + DMA_BUS_MODE);
-        limit = 15000;
+        limit = 10;
        while (limit--) {
                if (!(readl(ioaddr + DMA_BUS_MODE) & DMA_BUS_MODE_SFT_RESET))
                        break;
+                mdelay(10);
        }
        if (limit < 0)
                return -EBUSY;
diff --git a/drivers/net/ethernet/stmicro/stmmac/stmmac.h b/drivers/net/ethernet/stmicro/stmmac/stmmac.h
index 9bafa6cf9e8b..a140a8fbf051 100644
--- a/drivers/net/ethernet/stmicro/stmmac/stmmac.h
+++ b/drivers/net/ethernet/stmicro/stmmac/stmmac.h
@@ -72,7 +72,6 @@ struct stmmac_priv {
        spinlock_t lock;
        spinlock_t tx_lock;
        int wolopts;
-        int wolenabled;
        int wol_irq;
 #ifdef CONFIG_STMMAC_TIMER
        struct stmmac_timer *tm;
@@ -80,6 +79,7 @@ struct stmmac_priv {
        struct plat_stmmacenet_data *plat;
        struct stmmac_counters mmc;
        struct dma_features dma_cap;
+        int hw_cap_support;
 };
 extern int stmmac_mdio_unregister(struct net_device *ndev);
diff --git a/drivers/net/ethernet/stmicro/stmmac/stmmac_ethtool.c b/drivers/net/ethernet/stmicro/stmmac/stmmac_ethtool.c
index e8eff09bbbd7..0395f9eba801 100644
--- a/drivers/net/ethernet/stmicro/stmmac/stmmac_ethtool.c
+++ b/drivers/net/ethernet/stmicro/stmmac/stmmac_ethtool.c
@@ -430,6 +430,12 @@ static int stmmac_set_wol(struct net_device *dev, struct ethtool_wolinfo *wol)
        struct stmmac_priv *priv = netdev_priv(dev);
        u32 support = WAKE_MAGIC | WAKE_UCAST;
+        /* By default almost all GMAC devices support the WoL via
+         * magic frame but we can disable it if the HW capability
+         * register shows no support for pmt_magic_frame. */
+        if ((priv->hw_cap_support) && (!priv->dma_cap.pmt_magic_frame))
+                wol->wolopts &= ~WAKE_MAGIC;
        if (!device_can_wakeup(priv->device))
                return -EINVAL;
diff --git a/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c b/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c
index 20546bbbb8db..72cd190b9c1a 100644
--- a/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c
+++ b/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c
@@ -321,12 +321,10 @@ static int stmmac_init_phy(struct net_device *dev)
        }
        /* Stop Advertising 1000BASE Capability if interface is not GMII */
-        if ((interface) && ((interface == PHY_INTERFACE_MODE_MII) ||
+        if ((interface == PHY_INTERFACE_MODE_MII) ||
-            (interface == PHY_INTERFACE_MODE_RMII))) {
+            (interface == PHY_INTERFACE_MODE_RMII))
-                phydev->supported &= (PHY_BASIC_FEATURES | SUPPORTED_Pause |
+                phydev->advertising &= ~(SUPPORTED_1000baseT_Half |
-                                      SUPPORTED_Asym_Pause);
+                                         SUPPORTED_1000baseT_Full);
-                phydev->advertising = phydev->supported;
-        }
        /*
         * Broken HW is sometimes missing the pull-up resistor on the
@@ -783,10 +781,15 @@ static void stmmac_mmc_setup(struct stmmac_priv *priv)
        unsigned int mode = MMC_CNTRL_RESET_ON_READ | MMC_CNTRL_COUNTER_RESET |
                            MMC_CNTRL_PRESET | MMC_CNTRL_FULL_HALF_PRESET;
-        /* Do not manage MMC IRQ (FIXME) */
+        /* Mask MMC irq, counters are managed in SW and registers
+         * are cleared on each READ eventually. */
        dwmac_mmc_intr_all_mask(priv->ioaddr);
-        dwmac_mmc_ctrl(priv->ioaddr, mode);
-        memset(&priv->mmc, 0, sizeof(struct stmmac_counters));
+        if (priv->dma_cap.rmon) {
+                dwmac_mmc_ctrl(priv->ioaddr, mode);
+                memset(&priv->mmc, 0, sizeof(struct stmmac_counters));
+        } else
+                pr_info(" No MAC Management Counters available");
 }
 static u32 stmmac_get_synopsys_id(struct stmmac_priv *priv)
@@ -807,8 +810,29 @@ static u32 stmmac_get_synopsys_id(struct stmmac_priv *priv)
        return 0;
 }
-/* New GMAC chips support a new register to indicate the
+/**
- * presence of the optional feature/functions.
+ * stmmac_selec_desc_mode
+ * @dev : device pointer
+ * Description: select the Enhanced/Alternate or Normal descriptors */
+static void stmmac_selec_desc_mode(struct stmmac_priv *priv)
+{
+        if (priv->plat->enh_desc) {
+                pr_info(" Enhanced/Alternate descriptors\n");
+                priv->hw->desc = &enh_desc_ops;
+        } else {
+                pr_info(" Normal descriptors\n");
+                priv->hw->desc = &ndesc_ops;
+        }
+}
+/**
+ * stmmac_get_hw_features
+ * @priv : private device pointer
+ * Description:
+ *  new GMAC chip generations have a new register to indicate the
+ *  presence of the optional feature/functions.
+ *  This can be also used to override the value passed through the
+ *  platform and necessary for old MAC10/100 and GMAC chips.
 */
 static int stmmac_get_hw_features(struct stmmac_priv *priv)
 {
@@ -829,7 +853,7 @@ static int stmmac_get_hw_features(struct stmmac_priv *priv)
                        (hw_cap & DMA_HW_FEAT_RWKSEL) >> 9;
                priv->dma_cap.pmt_magic_frame =
                        (hw_cap & DMA_HW_FEAT_MGKSEL) >> 10;
-                /*MMC*/
+                /* MMC */
                priv->dma_cap.rmon = (hw_cap & DMA_HW_FEAT_MMCSEL) >> 11;
                /* IEEE 1588-2002*/
                priv->dma_cap.time_stamp =
@@ -857,8 +881,7 @@ static int stmmac_get_hw_features(struct stmmac_priv *priv)
                priv->dma_cap.enh_desc =
                        (hw_cap & DMA_HW_FEAT_ENHDESSEL) >> 24;
-        } else
+        }
-                pr_debug("\tNo HW DMA feature register supported");
        return hw_cap;
 }
@@ -913,6 +936,44 @@ static int stmmac_open(struct net_device *dev)
                goto open_error;
        }
+        stmmac_get_synopsys_id(priv);
+        priv->hw_cap_support = stmmac_get_hw_features(priv);
+        if (priv->hw_cap_support) {
+                pr_info(" Support DMA HW capability register");
+                /* We can override some gmac/dma configuration fields: e.g.
+                 * enh_desc, tx_coe (e.g. that are passed through the
+                 * platform) with the values from the HW capability
+                 * register (if supported).
+                 */
+                priv->plat->enh_desc = priv->dma_cap.enh_desc;
+                priv->plat->tx_coe = priv->dma_cap.tx_coe;
+                priv->plat->pmt = priv->dma_cap.pmt_remote_wake_up;
+                /* By default disable wol on magic frame if not supported */
+                if (!priv->dma_cap.pmt_magic_frame)
+                        priv->wolopts &= ~WAKE_MAGIC;
+        } else
+                pr_info(" No HW DMA feature register supported");
+        /* Select the enhnaced/normal descriptor structures */
+        stmmac_selec_desc_mode(priv);
+        /* PMT module is not integrated in all the MAC devices. */
+        if (priv->plat->pmt) {
+                pr_info(" Remote wake-up capable\n");
+                device_set_wakeup_capable(priv->device, 1);
+        }
+        priv->rx_coe = priv->hw->mac->rx_coe(priv->ioaddr);
+        if (priv->rx_coe)
+                pr_info(" Checksum Offload Engine supported\n");
+        if (priv->plat->tx_coe)
+                pr_info(" Checksum insertion supported\n");
        /* Create and initialize the TX/RX descriptors chains. */
        priv->dma_tx_size = STMMAC_ALIGN(dma_txsize);
        priv->dma_rx_size = STMMAC_ALIGN(dma_rxsize);
@@ -935,15 +996,6 @@ static int stmmac_open(struct net_device *dev)
        /* Initialize the MAC Core */
        priv->hw->mac->core_init(priv->ioaddr);
-        stmmac_get_synopsys_id(priv);
-        stmmac_get_hw_features(priv);
-        priv->rx_coe = priv->hw->mac->rx_coe(priv->ioaddr);
-        if (priv->rx_coe)
-                pr_info("stmmac: Rx Checksum Offload Engine supported\n");
-        if (priv->plat->tx_coe)
-                pr_info("\tTX Checksum insertion supported\n");
        netdev_update_features(dev);
        /* Request the IRQ lines */
@@ -965,8 +1017,7 @@ static int stmmac_open(struct net_device *dev)
        memset(&priv->xstats, 0, sizeof(struct stmmac_extra_stats));
        priv->xstats.threshold = tc;
-        if (priv->dma_cap.rmon)
+        stmmac_mmc_setup(priv);
-                stmmac_mmc_setup(priv);
        /* Start the ball rolling... */
        DBG(probe, DEBUG, "%s: DMA RX/TX processes started...\n", dev->name);
@@ -1489,9 +1540,7 @@ static int stmmac_ioctl(struct net_device *dev, struct ifreq *rq, int cmd)
        if (!priv->phydev)
                return -EINVAL;
-        spin_lock(&priv->lock);
        ret = phy_mii_ioctl(priv->phydev, rq, cmd);
-        spin_unlock(&priv->lock);
        return ret;
 }
@@ -1558,7 +1607,7 @@ static int stmmac_sysfs_dma_cap_read(struct seq_file *seq, void *v)
        struct net_device *dev = seq->private;
        struct stmmac_priv *priv = netdev_priv(dev);
-        if (!stmmac_get_hw_features(priv)) {
+        if (!priv->hw_cap_support) {
                seq_printf(seq, "DMA HW features not supported\n");
                return 0;
        }
@@ -1766,12 +1815,6 @@ static int stmmac_mac_device_setup(struct net_device *dev)
        if (!device)
                return -ENOMEM;
-        if (priv->plat->enh_desc) {
-                device->desc = &enh_desc_ops;
-                pr_info("\tEnhanced descriptor structure\n");
-        } else
-                device->desc = &ndesc_ops;
        priv->hw = device;
        priv->hw->ring = &ring_mode_ops;
@@ -1845,11 +1888,6 @@ static int stmmac_dvr_probe(struct platform_device *pdev)
        priv->ioaddr = addr;
-        /* PMT module is not integrated in all the MAC devices. */
-        if (plat_dat->pmt) {
-                pr_info("\tPMT module supported\n");
-                device_set_wakeup_capable(&pdev->dev, 1);
-        }
        /*
         * On some platforms e.g. SPEAr the wake up irq differs from the mac irq
         * The external wake up irq can be passed through the platform code
@@ -1862,7 +1900,6 @@ static int stmmac_dvr_probe(struct platform_device *pdev)
        if (priv->wol_irq == -ENXIO)
                priv->wol_irq = ndev->irq;
        platform_set_drvdata(pdev, ndev);
        /* Set the I/O base addr */
@@ -1875,7 +1912,7 @@ static int stmmac_dvr_probe(struct platform_device *pdev)
                        goto out_free_ndev;
        }
-        /* MAC HW revice detection */
+        /* MAC HW device detection */
        ret = stmmac_mac_device_setup(ndev);
        if (ret < 0)
                goto out_plat_exit;
@@ -1978,12 +2015,13 @@ static int stmmac_suspend(struct device *dev)
        if (!ndev || !netif_running(ndev))
                return 0;
+        if (priv->phydev)
+                phy_stop(priv->phydev);
        spin_lock(&priv->lock);
        netif_device_detach(ndev);
        netif_stop_queue(ndev);
-        if (priv->phydev)
-                phy_stop(priv->phydev);
 #ifdef CONFIG_STMMAC_TIMER
        priv->tm->timer_stop();
@@ -2041,12 +2079,13 @@ static int stmmac_resume(struct device *dev)
 #endif
        napi_enable(&priv->napi);
-        if (priv->phydev)
-                phy_start(priv->phydev);
        netif_start_queue(ndev);
        spin_unlock(&priv->lock);
+        if (priv->phydev)
+                phy_start(priv->phydev);
        return 0;
 }
diff --git a/drivers/net/ethernet/sun/sunhme.c b/drivers/net/ethernet/sun/sunhme.c
index c517dac02ae1..cf14ab9db576 100644
--- a/drivers/net/ethernet/sun/sunhme.c
+++ b/drivers/net/ethernet/sun/sunhme.c
@@ -2637,7 +2637,7 @@ static int __devinit happy_meal_sbus_probe_one(struct platform_device *op, int i
        sbus_dp = op->dev.parent->of_node;
        /* We can match PCI devices too, do not accept those here. */
-        if (strcmp(sbus_dp->name, "sbus"))
+        if (strcmp(sbus_dp->name, "sbus") && strcmp(sbus_dp->name, "sbi"))
                return err;
        if (is_qfe) {
diff --git a/drivers/net/ethernet/tile/tilepro.c b/drivers/net/ethernet/tile/tilepro.c
index 10826d8a2a2d..1187a1169eb2 100644
--- a/drivers/net/ethernet/tile/tilepro.c
+++ b/drivers/net/ethernet/tile/tilepro.c
@@ -926,7 +926,7 @@ static int tile_net_poll(struct napi_struct *napi, int budget)
                goto done;
        /* Re-enable the ingress interrupt. */
-        enable_percpu_irq(priv->intr_id);
+        enable_percpu_irq(priv->intr_id, 0);
        /* HACK: Avoid the "rotting packet" problem (see above). */
        if (qup->__packet_receive_read !=
@@ -1296,7 +1296,7 @@ static void tile_net_open_enable(void *dev_ptr)
        info->napi_enabled = true;
        /* Enable the ingress interrupt. */
-        enable_percpu_irq(priv->intr_id);
+        enable_percpu_irq(priv->intr_id, 0);
 }
@@ -1697,7 +1697,7 @@ static unsigned int tile_net_tx_frags(lepp_frag_t *frags,
        for (i = 0; i < sh->nr_frags; i++) {
                skb_frag_t *f = &sh->frags[i];
-                unsigned long pfn = page_to_pfn(f->page);
+                unsigned long pfn = page_to_pfn(skb_frag_page(f));
                /* FIXME: Compute "hash_for_home" properly. */
                /* ISSUE: The hypervisor checks CHIP_HAS_REV1_DMA_PACKETS(). */
@@ -1706,7 +1706,7 @@ static unsigned int tile_net_tx_frags(lepp_frag_t *frags,
                /* FIXME: Hmmm. */
                if (!hash_default) {
                        void *va = pfn_to_kaddr(pfn) + f->page_offset;
-                        BUG_ON(PageHighMem(f->page));
+                        BUG_ON(PageHighMem(skb_frag_page(f)));
                        finv_buffer_remote(va, f->size, 0);
                }
diff --git a/drivers/net/ethernet/xilinx/ll_temac_main.c b/drivers/net/ethernet/xilinx/ll_temac_main.c
index caf3659e173c..2681b53820ee 100644
--- a/drivers/net/ethernet/xilinx/ll_temac_main.c
+++ b/drivers/net/ethernet/xilinx/ll_temac_main.c
@@ -114,6 +114,7 @@ void temac_indirect_out32(struct temac_local *lp, int reg, u32 value)
                return;
        temac_iow(lp, XTE_LSW0_OFFSET, value);
        temac_iow(lp, XTE_CTL0_OFFSET, CNTLREG_WRITE_ENABLE_MASK | reg);
+        temac_indirect_busywait(lp);
 }
 /**
@@ -203,6 +204,9 @@ static void temac_dma_bd_release(struct net_device *ndev)
        struct temac_local *lp = netdev_priv(ndev);
        int i;
+        /* Reset Local Link (DMA) */
+        lp->dma_out(lp, DMA_CONTROL_REG, DMA_CONTROL_RST);
        for (i = 0; i < RX_BD_NUM; i++) {
                if (!lp->rx_skb[i])
                        break;
@@ -860,6 +864,8 @@ static int temac_open(struct net_device *ndev)
                phy_start(lp->phy_dev);
        }
+        temac_device_reset(ndev);
        rc = request_irq(lp->tx_irq, ll_temac_tx_irq, 0, ndev->name, ndev);
        if (rc)
                goto err_tx_irq;
@@ -867,7 +873,6 @@ static int temac_open(struct net_device *ndev)
        if (rc)
                goto err_rx_irq;
-        temac_device_reset(ndev);
        return 0;
 err_rx_irq:
diff --git a/drivers/net/hippi/Kconfig b/drivers/net/hippi/Kconfig
index 7393eb732ee6..95eb34fdbba7 100644
--- a/drivers/net/hippi/Kconfig
+++ b/drivers/net/hippi/Kconfig
@@ -36,4 +36,4 @@ config ROADRUNNER_LARGE_RINGS
          kernel code or by user space programs. Say Y here only if you have
          the memory.
-endif /* HIPPI */
+endif # HIPPI
diff --git a/drivers/net/phy/Kconfig b/drivers/net/phy/Kconfig
index bb88e12101c7..a70244306c94 100644
--- a/drivers/net/phy/Kconfig
+++ b/drivers/net/phy/Kconfig
@@ -3,7 +3,7 @@
 #
 menuconfig PHYLIB
-        bool "PHY Device support and infrastructure"
+        tristate "PHY Device support and infrastructure"
        depends on !S390
        depends on NETDEVICES
        help
diff --git a/drivers/net/ppp/pptp.c b/drivers/net/ppp/pptp.c
index 89f829f5f725..f8a6853b692e 100644
--- a/drivers/net/ppp/pptp.c
+++ b/drivers/net/ppp/pptp.c
@@ -423,10 +423,8 @@ static int pptp_bind(struct socket *sock, struct sockaddr *uservaddr,
        lock_sock(sk);
        opt->src_addr = sp->sa_addr.pptp;
-        if (add_chan(po)) {
+        if (add_chan(po))
-                release_sock(sk);
                error = -EBUSY;
-        }
        release_sock(sk);
        return error;
diff --git a/drivers/net/usb/asix.c b/drivers/net/usb/asix.c
index e81e22e3d1d2..e6fed4d4cb77 100644
--- a/drivers/net/usb/asix.c
+++ b/drivers/net/usb/asix.c
@@ -36,7 +36,7 @@
 #include <linux/usb/usbnet.h>
 #include <linux/slab.h>
-#define DRIVER_VERSION "26-Sep-2011"
+#define DRIVER_VERSION "08-Nov-2011"
 #define DRIVER_NAME "asix"
 /* ASIX AX8817X based USB 2.0 Ethernet Devices */
@@ -163,7 +163,7 @@
 #define MARVELL_CTRL_TXDELAY    0x0002
 #define MARVELL_CTRL_RXDELAY    0x0080
-#define PHY_MODE_RTL8211CL      0x0004
+#define PHY_MODE_RTL8211CL      0x000C
 /* This structure cannot exceed sizeof(unsigned long [5]) AKA 20 bytes */
 struct asix_data {
@@ -652,9 +652,17 @@ static u32 asix_get_phyid(struct usbnet *dev)
 {
        int phy_reg;
        u32 phy_id;
+        int i;
-        phy_reg = asix_mdio_read(dev->net, dev->mii.phy_id, MII_PHYSID1);
+        /* Poll for the rare case the FW or phy isn't ready yet.  */
-        if (phy_reg < 0)
+        for (i = 0; i < 100; i++) {
+                phy_reg = asix_mdio_read(dev->net, dev->mii.phy_id, MII_PHYSID1);
+                if (phy_reg != 0 && phy_reg != 0xFFFF)
+                        break;
+                mdelay(1);
+        }
+        if (phy_reg <= 0 || phy_reg == 0xFFFF)
                return 0;
        phy_id = (phy_reg & 0xffff) << 16;
@@ -1075,7 +1083,7 @@ static const struct net_device_ops ax88772_netdev_ops = {
 static int ax88772_bind(struct usbnet *dev, struct usb_interface *intf)
 {
-        int ret;
+        int ret, embd_phy;
        struct asix_data *data = (struct asix_data *)&dev->data;
        u8 buf[ETH_ALEN];
        u32 phyid;
@@ -1100,16 +1108,36 @@ static int ax88772_bind(struct usbnet *dev, struct usb_interface *intf)
        dev->mii.reg_num_mask = 0x1f;
        dev->mii.phy_id = asix_get_phy_addr(dev);
-        phyid = asix_get_phyid(dev);
-        dbg("PHYID=0x%08x", phyid);
        dev->net->netdev_ops = &ax88772_netdev_ops;
        dev->net->ethtool_ops = &ax88772_ethtool_ops;
-        ret = ax88772_reset(dev);
+        embd_phy = ((dev->mii.phy_id & 0x1f) == 0x10 ? 1 : 0);
+        /* Reset the PHY to normal operation mode */
+        ret = asix_write_cmd(dev, AX_CMD_SW_PHY_SELECT, embd_phy, 0, 0, NULL);
+        if (ret < 0) {
+                dbg("Select PHY #1 failed: %d", ret);
+                return ret;
+        }
+        ret = asix_sw_reset(dev, AX_SWRESET_IPPD | AX_SWRESET_PRL);
+        if (ret < 0)
+                return ret;
+        msleep(150);
+        ret = asix_sw_reset(dev, AX_SWRESET_CLEAR);
        if (ret < 0)
                return ret;
+        msleep(150);
+        ret = asix_sw_reset(dev, embd_phy ? AX_SWRESET_IPRL : AX_SWRESET_PRTE);
+        /* Read PHYID register *AFTER* the PHY was reset properly */
+        phyid = asix_get_phyid(dev);
+        dbg("PHYID=0x%08x", phyid);
        /* Asix framing packs multiple eth frames into a 2K usb bulk transfer */
        if (dev->driver_info->flags & FLAG_FRAMING_AX) {
                /* hard_mtu  is still the default - the device does not support
@@ -1220,6 +1248,7 @@ static int ax88178_reset(struct usbnet *dev)
        __le16 eeprom;
        u8 status;
        int gpio0 = 0;
+        u32 phyid;
        asix_read_cmd(dev, AX_CMD_READ_GPIOS, 0, 0, 1, &status);
        dbg("GPIO Status: 0x%04x", status);
@@ -1235,12 +1264,13 @@ static int ax88178_reset(struct usbnet *dev)
                data->ledmode = 0;
                gpio0 = 1;
        } else {
-                data->phymode = le16_to_cpu(eeprom) & 7;
+                data->phymode = le16_to_cpu(eeprom) & 0x7F;
                data->ledmode = le16_to_cpu(eeprom) >> 8;
                gpio0 = (le16_to_cpu(eeprom) & 0x80) ? 0 : 1;
        }
        dbg("GPIO0: %d, PhyMode: %d", gpio0, data->phymode);
+        /* Power up external GigaPHY through AX88178 GPIO pin */
        asix_write_gpio(dev, AX_GPIO_RSE | AX_GPIO_GPO_1 | AX_GPIO_GPO1EN, 40);
        if ((le16_to_cpu(eeprom) >> 8) != 1) {
                asix_write_gpio(dev, 0x003c, 30);
@@ -1252,6 +1282,13 @@ static int ax88178_reset(struct usbnet *dev)
                asix_write_gpio(dev, AX_GPIO_GPO1EN | AX_GPIO_GPO_1, 30);
        }
+        /* Read PHYID register *AFTER* powering up PHY */
+        phyid = asix_get_phyid(dev);
+        dbg("PHYID=0x%08x", phyid);
+        /* Set AX88178 to enable MII/GMII/RGMII interface for external PHY */
+        asix_write_cmd(dev, AX_CMD_SW_PHY_SELECT, 0, 0, 0, NULL);
        asix_sw_reset(dev, 0);
        msleep(150);
@@ -1396,7 +1433,6 @@ static int ax88178_bind(struct usbnet *dev, struct usb_interface *intf)
 {
        int ret;
        u8 buf[ETH_ALEN];
-        u32 phyid;
        struct asix_data *data = (struct asix_data *)&dev->data;
        data->eeprom_len = AX88772_EEPROM_LEN;
@@ -1423,12 +1459,12 @@ static int ax88178_bind(struct usbnet *dev, struct usb_interface *intf)
        dev->net->netdev_ops = &ax88178_netdev_ops;
        dev->net->ethtool_ops = &ax88178_ethtool_ops;
-        phyid = asix_get_phyid(dev);
+        /* Blink LEDS so users know driver saw dongle */
-        dbg("PHYID=0x%08x", phyid);
+        asix_sw_reset(dev, 0);
+        msleep(150);
-        ret = ax88178_reset(dev);
+        asix_sw_reset(dev, AX_SWRESET_PRL | AX_SWRESET_IPPD);
-        if (ret < 0)
+        msleep(150);
-                return ret;
        /* Asix framing packs multiple eth frames into a 2K usb bulk transfer */
        if (dev->driver_info->flags & FLAG_FRAMING_AX) {
diff --git a/drivers/net/usb/cdc_ether.c b/drivers/net/usb/cdc_ether.c
index c924ea2bce07..99ed6eb4dfaf 100644
--- a/drivers/net/usb/cdc_ether.c
+++ b/drivers/net/usb/cdc_ether.c
@@ -567,7 +567,7 @@ static const struct usb_device_id	products [] = {
 {
        USB_DEVICE_AND_INTERFACE_INFO(0x1004, 0x61aa, USB_CLASS_COMM,
                        USB_CDC_SUBCLASS_ETHERNET, USB_CDC_PROTO_NONE),
-        .driver_info = (unsigned long)&wwan_info,
+        .driver_info = 0,
 },
 /*
diff --git a/drivers/net/usb/lg-vl600.c b/drivers/net/usb/lg-vl600.c
index d43db32f9478..9c26c6390d69 100644
--- a/drivers/net/usb/lg-vl600.c
+++ b/drivers/net/usb/lg-vl600.c
@@ -144,10 +144,11 @@ static int vl600_rx_fixup(struct usbnet *dev, struct sk_buff *skb)
        }
        frame = (struct vl600_frame_hdr *) buf->data;
-        /* NOTE: Should check that frame->magic == 0x53544448?
+        /* Yes, check that frame->magic == 0x53544448 (or 0x44544d48),
-         * Otherwise if we receive garbage at the beginning of the frame
+         * otherwise we may run out of memory w/a bad packet */
-         * we may end up allocating a huge buffer and saving all the
+        if (ntohl(frame->magic) != 0x53544448 &&
-         * future incoming data into it.  */
+                        ntohl(frame->magic) != 0x44544d48)
+                goto error;
        if (buf->len < sizeof(*frame) ||
                        buf->len != le32_to_cpup(&frame->len)) {
@@ -296,6 +297,11 @@ encapsulate:
         * overwrite the remaining fields.
         */
        packet = (struct vl600_pkt_hdr *) skb->data;
+        /* The VL600 wants IPv6 packets to have an IPv4 ethertype
+         * Since this modem only supports IPv4 and IPv6, just set all
+         * frames to 0x0800 (ETH_P_IP)
+         */
+        packet->h_proto = htons(ETH_P_IP);
        memset(&packet->dummy, 0, sizeof(packet->dummy));
        packet->len = cpu_to_le32(orig_len);
@@ -308,21 +314,12 @@ encapsulate:
        if (skb->len < full_len) /* Pad */
                skb_put(skb, full_len - skb->len);
-        /* The VL600 wants IPv6 packets to have an IPv4 ethertype
-         * Check if this is an IPv6 packet, and set the ethertype
-         * to 0x800
-         */
-        if ((skb->data[sizeof(struct vl600_pkt_hdr *) + 0x22] & 0xf0) == 0x60) {
-                skb->data[sizeof(struct vl600_pkt_hdr *) + 0x20] = 0x08;
-                skb->data[sizeof(struct vl600_pkt_hdr *) + 0x21] = 0;
-        }
        return skb;
 }
 static const struct driver_info vl600_info = {
        .description    = "LG VL600 modem",
-        .flags          = FLAG_ETHER | FLAG_RX_ASSEMBLE,
+        .flags          = FLAG_RX_ASSEMBLE | FLAG_WWAN,
        .bind           = vl600_bind,
        .unbind         = vl600_unbind,
        .status         = usbnet_cdc_status,
diff --git a/drivers/net/usb/smsc75xx.c b/drivers/net/usb/smsc75xx.c
index 22a7cf951e72..a5b9b12ef268 100644
--- a/drivers/net/usb/smsc75xx.c
+++ b/drivers/net/usb/smsc75xx.c
@@ -51,6 +51,7 @@
 #define USB_VENDOR_ID_SMSC              (0x0424)
 #define USB_PRODUCT_ID_LAN7500          (0x7500)
 #define USB_PRODUCT_ID_LAN7505          (0x7505)
+#define RXW_PADDING                     2
 #define check_warn(ret, fmt, args...) \
        ({ if (ret < 0) netdev_warn(dev->net, fmt, ##args); })
@@ -1088,13 +1089,13 @@ static int smsc75xx_rx_fixup(struct usbnet *dev, struct sk_buff *skb)
                memcpy(&rx_cmd_b, skb->data, sizeof(rx_cmd_b));
                le32_to_cpus(&rx_cmd_b);
-                skb_pull(skb, 4 + NET_IP_ALIGN);
+                skb_pull(skb, 4 + RXW_PADDING);
                packet = skb->data;
                /* get the packet length */
-                size = (rx_cmd_a & RX_CMD_A_LEN) - NET_IP_ALIGN;
+                size = (rx_cmd_a & RX_CMD_A_LEN) - RXW_PADDING;
-                align_count = (4 - ((size + NET_IP_ALIGN) % 4)) % 4;
+                align_count = (4 - ((size + RXW_PADDING) % 4)) % 4;
                if (unlikely(rx_cmd_a & RX_CMD_A_RED)) {
                        netif_dbg(dev, rx_err, dev->net,
diff --git a/drivers/net/wireless/ath/ath9k/hw.c b/drivers/net/wireless/ath/ath9k/hw.c
index 2f91acccb7db..8873c6e6fb96 100644
--- a/drivers/net/wireless/ath/ath9k/hw.c
+++ b/drivers/net/wireless/ath/ath9k/hw.c
@@ -1827,7 +1827,8 @@ static void ath9k_set_power_sleep(struct ath_hw *ah, int setChip)
        }
        /* Clear Bit 14 of AR_WA after putting chip into Full Sleep mode. */
-        REG_WRITE(ah, AR_WA, ah->WARegVal & ~AR_WA_D3_L1_DISABLE);
+        if (AR_SREV_9300_20_OR_LATER(ah))
+                REG_WRITE(ah, AR_WA, ah->WARegVal & ~AR_WA_D3_L1_DISABLE);
 }
 /*
diff --git a/drivers/net/wireless/ath/ath9k/main.c b/drivers/net/wireless/ath/ath9k/main.c
index 93fbe6f40898..d2348a5a7809 100644
--- a/drivers/net/wireless/ath/ath9k/main.c
+++ b/drivers/net/wireless/ath/ath9k/main.c
@@ -286,7 +286,7 @@ static bool ath_complete_reset(struct ath_softc *sc, bool start)
                        ath_start_ani(common);
        }
-        if (ath9k_hw_ops(ah)->antdiv_comb_conf_get && sc->ant_rx != 3) {
+        if ((ah->caps.hw_caps & ATH9K_HW_CAP_ANT_DIV_COMB) && sc->ant_rx != 3) {
                struct ath_hw_antcomb_conf div_ant_conf;
                u8 lna_conf;
diff --git a/drivers/net/wireless/ath/regd.c b/drivers/net/wireless/ath/regd.c
index 85fa9cc73502..65ecb5bab25a 100644
--- a/drivers/net/wireless/ath/regd.c
+++ b/drivers/net/wireless/ath/regd.c
@@ -254,6 +254,8 @@ ath_reg_apply_active_scan_flags(struct wiphy *wiphy,
        int r;
        sband = wiphy->bands[IEEE80211_BAND_2GHZ];
+        if (!sband)
+                return;
        /*
         * If no country IE has been received always enable active scan
diff --git a/drivers/net/wireless/b43/xmit.c b/drivers/net/wireless/b43/xmit.c
index 58ea0e5fabfd..5f77cbe0b6aa 100644
--- a/drivers/net/wireless/b43/xmit.c
+++ b/drivers/net/wireless/b43/xmit.c
@@ -175,6 +175,7 @@ void b43_generate_plcp_hdr(struct b43_plcp_hdr4 *plcp,
        }
 }
+/* TODO: verify if needed for SSLPN or LCN  */
 static u16 b43_generate_tx_phy_ctl1(struct b43_wldev *dev, u8 bitrate)
 {
        const struct b43_phy *phy = &dev->phy;
@@ -256,6 +257,9 @@ int b43_generate_txhdr(struct b43_wldev *dev,
        unsigned int plcp_fragment_len;
        u32 mac_ctl = 0;
        u16 phy_ctl = 0;
+        bool fill_phy_ctl1 = (phy->type == B43_PHYTYPE_LP ||
+                              phy->type == B43_PHYTYPE_N ||
+                              phy->type == B43_PHYTYPE_HT);
        u8 extra_ft = 0;
        struct ieee80211_rate *txrate;
        struct ieee80211_tx_rate *rates;
@@ -531,7 +535,7 @@ int b43_generate_txhdr(struct b43_wldev *dev,
                        extra_ft |= B43_TXH_EFT_RTSFB_CCK;
                if (rates[0].flags & IEEE80211_TX_RC_USE_RTS_CTS &&
-                    phy->type == B43_PHYTYPE_N) {
+                    fill_phy_ctl1) {
                        txhdr->phy_ctl1_rts = cpu_to_le16(
                                b43_generate_tx_phy_ctl1(dev, rts_rate));
                        txhdr->phy_ctl1_rts_fb = cpu_to_le16(
@@ -552,7 +556,7 @@ int b43_generate_txhdr(struct b43_wldev *dev,
                break;
        }
-        if (phy->type == B43_PHYTYPE_N) {
+        if (fill_phy_ctl1) {
                txhdr->phy_ctl1 =
                        cpu_to_le16(b43_generate_tx_phy_ctl1(dev, rate));
                txhdr->phy_ctl1_fb =
@@ -736,7 +740,14 @@ void b43_rx(struct b43_wldev *dev, struct sk_buff *skb, const void *_rxhdr)
        /* Link quality statistics */
        switch (chanstat & B43_RX_CHAN_PHYTYPE) {
+        case B43_PHYTYPE_HT:
+                /* TODO: is max the right choice? */
+                status.signal = max_t(__s8,
+                        max(rxhdr->phy_ht_power0, rxhdr->phy_ht_power1),
+                        rxhdr->phy_ht_power2);
+                break;
        case B43_PHYTYPE_N:
+                /* Broadcom has code for min and avg, but always uses max */
                if (rxhdr->power0 == 16 || rxhdr->power0 == 32)
                        status.signal = max(rxhdr->power1, rxhdr->power2);
                else
diff --git a/drivers/net/wireless/b43/xmit.h b/drivers/net/wireless/b43/xmit.h
index 16c514d54afa..98d90747836a 100644
--- a/drivers/net/wireless/b43/xmit.h
+++ b/drivers/net/wireless/b43/xmit.h
@@ -249,6 +249,12 @@ struct b43_rxhdr_fw4 {
                } __packed;
        } __packed;
        union {
+                /* HT-PHY */
+                struct {
+                        PAD_BYTES(1);
+                        __s8 phy_ht_power0;
+                } __packed;
                /* RSSI for N-PHYs */
                struct {
                        __s8 power2;
@@ -257,7 +263,15 @@ struct b43_rxhdr_fw4 {
                __le16 phy_status2;     /* PHY RX Status 2 */
        } __packed;
-        __le16 phy_status3;     /* PHY RX Status 3 */
+        union {
+                /* HT-PHY */
+                struct {
+                        __s8 phy_ht_power1;
+                        __s8 phy_ht_power2;
+                } __packed;
+                __le16 phy_status3;     /* PHY RX Status 3 */
+        } __packed;
        union {
                /* Tested with 598.314, 644.1001 and 666.2 */
                struct {
diff --git a/drivers/net/wireless/brcm80211/brcmsmac/dma.c b/drivers/net/wireless/brcm80211/brcmsmac/dma.c
index b56a30297c26..6ebec8f42846 100644
--- a/drivers/net/wireless/brcm80211/brcmsmac/dma.c
+++ b/drivers/net/wireless/brcm80211/brcmsmac/dma.c
@@ -358,13 +358,14 @@ static uint nrxdactive(struct dma_info *di, uint h, uint t)
 static uint _dma_ctrlflags(struct dma_info *di, uint mask, uint flags)
 {
-        uint dmactrlflags = di->dma.dmactrlflags;
+        uint dmactrlflags;
        if (di == NULL) {
-                DMA_ERROR(("%s: _dma_ctrlflags: NULL dma handle\n", di->name));
+                DMA_ERROR(("_dma_ctrlflags: NULL dma handle\n"));
                return 0;
        }
+        dmactrlflags = di->dma.dmactrlflags;
        dmactrlflags &= ~mask;
        dmactrlflags |= flags;
diff --git a/drivers/net/wireless/iwlwifi/iwl-1000.c b/drivers/net/wireless/iwlwifi/iwl-1000.c
index e12b48c2cff6..dd008b0e6417 100644
--- a/drivers/net/wireless/iwlwifi/iwl-1000.c
+++ b/drivers/net/wireless/iwlwifi/iwl-1000.c
@@ -191,6 +191,7 @@ static struct iwl_base_params iwl1000_base_params = {
        .chain_noise_scale = 1000,
        .wd_timeout = IWL_DEF_WD_TIMEOUT,
        .max_event_log_size = 128,
+        .wd_disable = true,
 };
 static struct iwl_ht_params iwl1000_ht_params = {
        .ht_greenfield_support = true,
diff --git a/drivers/net/wireless/iwlwifi/iwl-5000.c b/drivers/net/wireless/iwlwifi/iwl-5000.c
index c511c98a89a8..f55fb2d1af52 100644
--- a/drivers/net/wireless/iwlwifi/iwl-5000.c
+++ b/drivers/net/wireless/iwlwifi/iwl-5000.c
@@ -364,6 +364,7 @@ static struct iwl_base_params iwl5000_base_params = {
        .wd_timeout = IWL_LONG_WD_TIMEOUT,
        .max_event_log_size = 512,
        .no_idle_support = true,
+        .wd_disable = true,
 };
 static struct iwl_ht_params iwl5000_ht_params = {
        .ht_greenfield_support = true,
diff --git a/drivers/net/wireless/iwlwifi/iwl-agn-rxon.c b/drivers/net/wireless/iwlwifi/iwl-agn-rxon.c
index 58a381c01c89..a7a6def40d05 100644
--- a/drivers/net/wireless/iwlwifi/iwl-agn-rxon.c
+++ b/drivers/net/wireless/iwlwifi/iwl-agn-rxon.c
@@ -528,6 +528,24 @@ int iwlagn_commit_rxon(struct iwl_priv *priv, struct iwl_rxon_context *ctx)
        return 0;
 }
+void iwlagn_config_ht40(struct ieee80211_conf *conf,
+        struct iwl_rxon_context *ctx)
+{
+        if (conf_is_ht40_minus(conf)) {
+                ctx->ht.extension_chan_offset =
+                        IEEE80211_HT_PARAM_CHA_SEC_BELOW;
+                ctx->ht.is_40mhz = true;
+        } else if (conf_is_ht40_plus(conf)) {
+                ctx->ht.extension_chan_offset =
+                        IEEE80211_HT_PARAM_CHA_SEC_ABOVE;
+                ctx->ht.is_40mhz = true;
+        } else {
+                ctx->ht.extension_chan_offset =
+                        IEEE80211_HT_PARAM_CHA_SEC_NONE;
+                ctx->ht.is_40mhz = false;
+        }
+}
 int iwlagn_mac_config(struct ieee80211_hw *hw, u32 changed)
 {
        struct iwl_priv *priv = hw->priv;
@@ -586,19 +604,11 @@ int iwlagn_mac_config(struct ieee80211_hw *hw, u32 changed)
                                ctx->ht.enabled = conf_is_ht(conf);
                        if (ctx->ht.enabled) {
-                                if (conf_is_ht40_minus(conf)) {
+                                /* if HT40 is used, it should not change
-                                        ctx->ht.extension_chan_offset =
+                                 * after associated except channel switch */
-                                                IEEE80211_HT_PARAM_CHA_SEC_BELOW;
+                                if (iwl_is_associated_ctx(ctx) &&
-                                        ctx->ht.is_40mhz = true;
+                                     !ctx->ht.is_40mhz)
-                                } else if (conf_is_ht40_plus(conf)) {
+                                        iwlagn_config_ht40(conf, ctx);
-                                        ctx->ht.extension_chan_offset =
-                                                IEEE80211_HT_PARAM_CHA_SEC_ABOVE;
-                                        ctx->ht.is_40mhz = true;
-                                } else {
-                                        ctx->ht.extension_chan_offset =
-                                                IEEE80211_HT_PARAM_CHA_SEC_NONE;
-                                        ctx->ht.is_40mhz = false;
-                                }
                        } else
                                ctx->ht.is_40mhz = false;
diff --git a/drivers/net/wireless/iwlwifi/iwl-agn-sta.c b/drivers/net/wireless/iwlwifi/iwl-agn-sta.c
index ed6283623932..4b2aa1da0953 100644
--- a/drivers/net/wireless/iwlwifi/iwl-agn-sta.c
+++ b/drivers/net/wireless/iwlwifi/iwl-agn-sta.c
@@ -1268,9 +1268,6 @@ int iwl_set_dynamic_key(struct iwl_priv *priv,
        switch (keyconf->cipher) {
        case WLAN_CIPHER_SUITE_TKIP:
-                keyconf->flags |= IEEE80211_KEY_FLAG_GENERATE_MMIC;
-                keyconf->flags |= IEEE80211_KEY_FLAG_GENERATE_IV;
                if (sta)
                        addr = sta->addr;
                else /* station mode case only */
@@ -1283,8 +1280,6 @@ int iwl_set_dynamic_key(struct iwl_priv *priv,
                                          seq.tkip.iv32, p1k, CMD_SYNC);
                break;
        case WLAN_CIPHER_SUITE_CCMP:
-                keyconf->flags |= IEEE80211_KEY_FLAG_GENERATE_IV;
-                /* fall through */
        case WLAN_CIPHER_SUITE_WEP40:
        case WLAN_CIPHER_SUITE_WEP104:
                ret = iwlagn_send_sta_key(priv, keyconf, sta_id,
diff --git a/drivers/net/wireless/iwlwifi/iwl-agn.c b/drivers/net/wireless/iwlwifi/iwl-agn.c
index ccba69b7f8a7..bacc06c95e7a 100644
--- a/drivers/net/wireless/iwlwifi/iwl-agn.c
+++ b/drivers/net/wireless/iwlwifi/iwl-agn.c
@@ -2316,6 +2316,17 @@ static int iwlagn_mac_set_key(struct ieee80211_hw *hw, enum set_key_cmd cmd,
                return -EOPNOTSUPP;
        }
+        switch (key->cipher) {
+        case WLAN_CIPHER_SUITE_TKIP:
+                key->flags |= IEEE80211_KEY_FLAG_GENERATE_MMIC;
+                /* fall through */
+        case WLAN_CIPHER_SUITE_CCMP:
+                key->flags |= IEEE80211_KEY_FLAG_GENERATE_IV;
+                break;
+        default:
+                break;
+        }
        /*
         * We could program these keys into the hardware as well, but we
         * don't expect much multicast traffic in IBSS and having keys
@@ -2599,21 +2610,9 @@ static void iwlagn_mac_channel_switch(struct ieee80211_hw *hw,
        /* Configure HT40 channels */
        ctx->ht.enabled = conf_is_ht(conf);
-        if (ctx->ht.enabled) {
+        if (ctx->ht.enabled)
-                if (conf_is_ht40_minus(conf)) {
+                iwlagn_config_ht40(conf, ctx);
-                        ctx->ht.extension_chan_offset =
+        else
-                                IEEE80211_HT_PARAM_CHA_SEC_BELOW;
-                        ctx->ht.is_40mhz = true;
-                } else if (conf_is_ht40_plus(conf)) {
-                        ctx->ht.extension_chan_offset =
-                                IEEE80211_HT_PARAM_CHA_SEC_ABOVE;
-                        ctx->ht.is_40mhz = true;
-                } else {
-                        ctx->ht.extension_chan_offset =
-                                IEEE80211_HT_PARAM_CHA_SEC_NONE;
-                        ctx->ht.is_40mhz = false;
-                }
-        } else
                ctx->ht.is_40mhz = false;
        if ((le16_to_cpu(ctx->staging.channel) != ch))
@@ -3499,9 +3498,10 @@ MODULE_PARM_DESC(plcp_check, "Check plcp health (default: 1 [enabled])");
 module_param_named(ack_check, iwlagn_mod_params.ack_check, bool, S_IRUGO);
 MODULE_PARM_DESC(ack_check, "Check ack health (default: 0 [disabled])");
-module_param_named(wd_disable, iwlagn_mod_params.wd_disable, bool, S_IRUGO);
+module_param_named(wd_disable, iwlagn_mod_params.wd_disable, int, S_IRUGO);
 MODULE_PARM_DESC(wd_disable,
-                "Disable stuck queue watchdog timer (default: 0 [enabled])");
+                "Disable stuck queue watchdog timer 0=system default, "
+                "1=disable, 2=enable (default: 0)");
 /*
 * set bt_coex_active to true, uCode will do kill/defer
diff --git a/drivers/net/wireless/iwlwifi/iwl-agn.h b/drivers/net/wireless/iwlwifi/iwl-agn.h
index 5b936ec1a541..3856abaea507 100644
--- a/drivers/net/wireless/iwlwifi/iwl-agn.h
+++ b/drivers/net/wireless/iwlwifi/iwl-agn.h
@@ -86,6 +86,8 @@ void iwlagn_bss_info_changed(struct ieee80211_hw *hw,
                             struct ieee80211_vif *vif,
                             struct ieee80211_bss_conf *bss_conf,
                             u32 changes);
+void iwlagn_config_ht40(struct ieee80211_conf *conf,
+                        struct iwl_rxon_context *ctx);
 /* uCode */
 int iwlagn_rx_calib_result(struct iwl_priv *priv,
diff --git a/drivers/net/wireless/iwlwifi/iwl-core.c b/drivers/net/wireless/iwlwifi/iwl-core.c
index 001fdf140abb..fcf54160e4ed 100644
--- a/drivers/net/wireless/iwlwifi/iwl-core.c
+++ b/drivers/net/wireless/iwlwifi/iwl-core.c
@@ -1810,11 +1810,23 @@ void iwl_setup_watchdog(struct iwl_priv *priv)
 {
        unsigned int timeout = priv->cfg->base_params->wd_timeout;
-        if (timeout && !iwlagn_mod_params.wd_disable)
+        if (!iwlagn_mod_params.wd_disable) {
-                mod_timer(&priv->watchdog,
+                /* use system default */
-                          jiffies + msecs_to_jiffies(IWL_WD_TICK(timeout)));
+                if (timeout && !priv->cfg->base_params->wd_disable)
-        else
+                        mod_timer(&priv->watchdog,
-                del_timer(&priv->watchdog);
+                                jiffies +
+                                msecs_to_jiffies(IWL_WD_TICK(timeout)));
+                else
+                        del_timer(&priv->watchdog);
+        } else {
+                /* module parameter overwrite default configuration */
+                if (timeout && iwlagn_mod_params.wd_disable == 2)
+                        mod_timer(&priv->watchdog,
+                                jiffies +
+                                msecs_to_jiffies(IWL_WD_TICK(timeout)));
+                else
+                        del_timer(&priv->watchdog);
+        }
 }
 /**
diff --git a/drivers/net/wireless/iwlwifi/iwl-core.h b/drivers/net/wireless/iwlwifi/iwl-core.h
index 137da3380704..f2fc288f3dd3 100644
--- a/drivers/net/wireless/iwlwifi/iwl-core.h
+++ b/drivers/net/wireless/iwlwifi/iwl-core.h
@@ -113,6 +113,7 @@ struct iwl_lib_ops {
 * @shadow_reg_enable: HW shadhow register bit
 * @no_idle_support: do not support idle mode
 * @hd_v2: v2 of enhanced sensitivity value, used for 2000 series and up
+ * wd_disable: disable watchdog timer
 */
 struct iwl_base_params {
        int eeprom_size;
@@ -134,6 +135,7 @@ struct iwl_base_params {
        const bool shadow_reg_enable;
        const bool no_idle_support;
        const bool hd_v2;
+        const bool wd_disable;
 };
 /*
 * @advanced_bt_coexist: support advanced bt coexist
diff --git a/drivers/net/wireless/iwlwifi/iwl-shared.h b/drivers/net/wireless/iwlwifi/iwl-shared.h
index 1f7a93c67c45..14eaf37ce3b1 100644
--- a/drivers/net/wireless/iwlwifi/iwl-shared.h
+++ b/drivers/net/wireless/iwlwifi/iwl-shared.h
@@ -120,7 +120,7 @@ extern struct iwl_mod_params iwlagn_mod_params;
 * @restart_fw: restart firmware, default = 1
 * @plcp_check: enable plcp health check, default = true
 * @ack_check: disable ack health check, default = false
- * @wd_disable: enable stuck queue check, default = false
+ * @wd_disable: enable stuck queue check, default = 0
 * @bt_coex_active: enable bt coex, default = true
 * @led_mode: system default, default = 0
 * @no_sleep_autoadjust: disable autoadjust, default = true
@@ -141,7 +141,7 @@ struct iwl_mod_params {
        int restart_fw;
        bool plcp_check;
        bool ack_check;
-        bool wd_disable;
+        int  wd_disable;
        bool bt_coex_active;
        int led_mode;
        bool no_sleep_autoadjust;
diff --git a/drivers/net/wireless/iwlwifi/iwl-trans-pcie.c b/drivers/net/wireless/iwlwifi/iwl-trans-pcie.c
index da3411057afc..ce918980e977 100644
--- a/drivers/net/wireless/iwlwifi/iwl-trans-pcie.c
+++ b/drivers/net/wireless/iwlwifi/iwl-trans-pcie.c
@@ -990,29 +990,16 @@ static int iwl_trans_tx_stop(struct iwl_trans *trans)
        return 0;
 }
-static void iwl_trans_pcie_disable_sync_irq(struct iwl_trans *trans)
+static void iwl_trans_pcie_stop_device(struct iwl_trans *trans)
 {
        unsigned long flags;
-        struct iwl_trans_pcie *trans_pcie =
+        struct iwl_trans_pcie *trans_pcie = IWL_TRANS_GET_PCIE_TRANS(trans);
-                IWL_TRANS_GET_PCIE_TRANS(trans);
+        /* tell the device to stop sending interrupts */
        spin_lock_irqsave(&trans->shrd->lock, flags);
        iwl_disable_interrupts(trans);
        spin_unlock_irqrestore(&trans->shrd->lock, flags);
-        /* wait to make sure we flush pending tasklet*/
-        synchronize_irq(bus(trans)->irq);
-        tasklet_kill(&trans_pcie->irq_tasklet);
-}
-static void iwl_trans_pcie_stop_device(struct iwl_trans *trans)
-{
-        /* stop and reset the on-board processor */
-        iwl_write32(bus(trans), CSR_RESET, CSR_RESET_REG_FLAG_NEVO_RESET);
-        /* tell the device to stop sending interrupts */
-        iwl_trans_pcie_disable_sync_irq(trans);
        /* device going down, Stop using ICT table */
        iwl_disable_ict(trans);
@@ -1039,6 +1026,20 @@ static void iwl_trans_pcie_stop_device(struct iwl_trans *trans)
        /* Stop the device, and put it in low power state */
        iwl_apm_stop(priv(trans));
+        /* Upon stop, the APM issues an interrupt if HW RF kill is set.
+         * Clean again the interrupt here
+         */
+        spin_lock_irqsave(&trans->shrd->lock, flags);
+        iwl_disable_interrupts(trans);
+        spin_unlock_irqrestore(&trans->shrd->lock, flags);
+        /* wait to make sure we flush pending tasklet*/
+        synchronize_irq(bus(trans)->irq);
+        tasklet_kill(&trans_pcie->irq_tasklet);
+        /* stop and reset the on-board processor */
+        iwl_write32(bus(trans), CSR_RESET, CSR_RESET_REG_FLAG_NEVO_RESET);
 }
 static int iwl_trans_pcie_tx(struct iwl_trans *trans, struct sk_buff *skb,
diff --git a/drivers/net/wireless/libertas/cfg.c b/drivers/net/wireless/libertas/cfg.c
index 4fcd653bddc4..a7f1ab28940d 100644
--- a/drivers/net/wireless/libertas/cfg.c
+++ b/drivers/net/wireless/libertas/cfg.c
@@ -634,7 +634,7 @@ static int lbs_ret_scan(struct lbs_private *priv, unsigned long dummy,
                        if (channel &&
                            !(channel->flags & IEEE80211_CHAN_DISABLED))
                                cfg80211_inform_bss(wiphy, channel,
-                                        bssid, le64_to_cpu(*(__le64 *)tsfdesc),
+                                        bssid, get_unaligned_le64(tsfdesc),
                                        capa, intvl, ie, ielen,
                                        LBS_SCAN_RSSI_TO_MBM(rssi),
                                        GFP_KERNEL);
diff --git a/drivers/net/wireless/libertas/if_spi.c b/drivers/net/wireless/libertas/if_spi.c
index 11b69b300dc0..728baa445259 100644
--- a/drivers/net/wireless/libertas/if_spi.c
+++ b/drivers/net/wireless/libertas/if_spi.c
@@ -995,6 +995,7 @@ static int if_spi_host_to_card(struct lbs_private *priv,
                spin_unlock_irqrestore(&card->buffer_lock, flags);
                break;
        default:
+                kfree(packet);
                netdev_err(priv->dev, "can't transfer buffer of type %d\n",
                           type);
                err = -EINVAL;
diff --git a/drivers/net/wireless/mwifiex/scan.c b/drivers/net/wireless/mwifiex/scan.c
index dae8dbb24a03..8d3ab378662b 100644
--- a/drivers/net/wireless/mwifiex/scan.c
+++ b/drivers/net/wireless/mwifiex/scan.c
@@ -819,8 +819,10 @@ mwifiex_scan_setup_scan_config(struct mwifiex_private *priv,
                        wildcard_ssid_tlv->header.len = cpu_to_le16(
                                (u16) (ssid_len + sizeof(wildcard_ssid_tlv->
                                                         max_ssid_length)));
-                        wildcard_ssid_tlv->max_ssid_length =
-                                user_scan_in->ssid_list[ssid_idx].max_len;
+                        /* max_ssid_length = 0 tells firmware to perform
+                           specific scan for the SSID filled */
+                        wildcard_ssid_tlv->max_ssid_length = 0;
                        memcpy(wildcard_ssid_tlv->ssid,
                               user_scan_in->ssid_list[ssid_idx].ssid,
@@ -1469,7 +1471,7 @@ mwifiex_update_curr_bss_params(struct mwifiex_private *priv, u8 *bssid,
                               s32 rssi, const u8 *ie_buf, size_t ie_len,
                               u16 beacon_period, u16 cap_info_bitmap, u8 band)
 {
-        struct mwifiex_bssdescriptor *bss_desc = NULL;
+        struct mwifiex_bssdescriptor *bss_desc;
        int ret;
        unsigned long flags;
        u8 *beacon_ie;
@@ -1484,6 +1486,7 @@ mwifiex_update_curr_bss_params(struct mwifiex_private *priv, u8 *bssid,
        beacon_ie = kmemdup(ie_buf, ie_len, GFP_KERNEL);
        if (!beacon_ie) {
+                kfree(bss_desc);
                dev_err(priv->adapter->dev, " failed to alloc beacon_ie\n");
                return -ENOMEM;
        }
diff --git a/drivers/net/wireless/p54/p54spi.c b/drivers/net/wireless/p54/p54spi.c
index f18df82eeb92..78d0d6988553 100644
--- a/drivers/net/wireless/p54/p54spi.c
+++ b/drivers/net/wireless/p54/p54spi.c
@@ -588,8 +588,6 @@ static void p54spi_op_stop(struct ieee80211_hw *dev)
        WARN_ON(priv->fw_state != FW_STATE_READY);
-        cancel_work_sync(&priv->work);
        p54spi_power_off(priv);
        spin_lock_irqsave(&priv->tx_lock, flags);
        INIT_LIST_HEAD(&priv->tx_pending);
@@ -597,6 +595,8 @@ static void p54spi_op_stop(struct ieee80211_hw *dev)
        priv->fw_state = FW_STATE_OFF;
        mutex_unlock(&priv->mutex);
+        cancel_work_sync(&priv->work);
 }
 static int __devinit p54spi_probe(struct spi_device *spi)
@@ -656,6 +656,7 @@ static int __devinit p54spi_probe(struct spi_device *spi)
        init_completion(&priv->fw_comp);
        INIT_LIST_HEAD(&priv->tx_pending);
        mutex_init(&priv->mutex);
+        spin_lock_init(&priv->tx_lock);
        SET_IEEE80211_DEV(hw, &spi->dev);
        priv->common.open = p54spi_op_start;
        priv->common.stop = p54spi_op_stop;
diff --git a/drivers/net/wireless/prism54/isl_ioctl.c b/drivers/net/wireless/prism54/isl_ioctl.c
index d97a2caf582b..bc2ba80c47bb 100644
--- a/drivers/net/wireless/prism54/isl_ioctl.c
+++ b/drivers/net/wireless/prism54/isl_ioctl.c
@@ -778,7 +778,7 @@ prism54_get_essid(struct net_device *ndev, struct iw_request_info *info,
                dwrq->flags = 0;
                dwrq->length = 0;
        }
-        essid->octets[essid->length] = '\0';
+        essid->octets[dwrq->length] = '\0';
        memcpy(extra, essid->octets, dwrq->length);
        kfree(essid);
diff --git a/drivers/net/wireless/rt2x00/rt2800lib.c b/drivers/net/wireless/rt2x00/rt2800lib.c
index 3f183a15186e..1ba079dffb11 100644
--- a/drivers/net/wireless/rt2x00/rt2800lib.c
+++ b/drivers/net/wireless/rt2x00/rt2800lib.c
@@ -3771,7 +3771,7 @@ static void rt2800_efuse_read(struct rt2x00_dev *rt2x00dev, unsigned int i)
        /* Apparently the data is read from end to start */
        rt2800_register_read_lock(rt2x00dev, EFUSE_DATA3, &reg);
        /* The returned value is in CPU order, but eeprom is le */
-        rt2x00dev->eeprom[i] = cpu_to_le32(reg);
+        *(u32 *)&rt2x00dev->eeprom[i] = cpu_to_le32(reg);
        rt2800_register_read_lock(rt2x00dev, EFUSE_DATA2, &reg);
        *(u32 *)&rt2x00dev->eeprom[i + 2] = cpu_to_le32(reg);
        rt2800_register_read_lock(rt2x00dev, EFUSE_DATA1, &reg);
diff --git a/drivers/net/wireless/rt2x00/rt2800usb.c b/drivers/net/wireless/rt2x00/rt2800usb.c
index f1565792f270..377876315b8d 100644
--- a/drivers/net/wireless/rt2x00/rt2800usb.c
+++ b/drivers/net/wireless/rt2x00/rt2800usb.c
@@ -919,6 +919,7 @@ static struct usb_device_id rt2800usb_device_table[] = {
        { USB_DEVICE(0x050d, 0x935b) },
        /* Buffalo */
        { USB_DEVICE(0x0411, 0x00e8) },
+        { USB_DEVICE(0x0411, 0x0158) },
        { USB_DEVICE(0x0411, 0x016f) },
        { USB_DEVICE(0x0411, 0x01a2) },
        /* Corega */
diff --git a/drivers/net/wireless/rt2x00/rt2x00.h b/drivers/net/wireless/rt2x00/rt2x00.h
index 2ec5c00235e6..99ff12d0c29d 100644
--- a/drivers/net/wireless/rt2x00/rt2x00.h
+++ b/drivers/net/wireless/rt2x00/rt2x00.h
@@ -943,6 +943,7 @@ struct rt2x00_dev {
         * Powersaving work
         */
        struct delayed_work autowakeup_work;
+        struct work_struct sleep_work;
        /*
         * Data queue arrays for RX, TX, Beacon and ATIM.
diff --git a/drivers/net/wireless/rt2x00/rt2x00dev.c b/drivers/net/wireless/rt2x00/rt2x00dev.c
index e1fb2a8569be..edd317fa7c0a 100644
--- a/drivers/net/wireless/rt2x00/rt2x00dev.c
+++ b/drivers/net/wireless/rt2x00/rt2x00dev.c
@@ -465,6 +465,23 @@ static u8 *rt2x00lib_find_ie(u8 *data, unsigned int len, u8 ie)
        return NULL;
 }
+static void rt2x00lib_sleep(struct work_struct *work)
+{
+        struct rt2x00_dev *rt2x00dev =
+            container_of(work, struct rt2x00_dev, sleep_work);
+        if (!test_bit(DEVICE_STATE_PRESENT, &rt2x00dev->flags))
+                return;
+        /*
+         * Check again is powersaving is enabled, to prevent races from delayed
+         * work execution.
+         */
+        if (!test_bit(CONFIG_POWERSAVING, &rt2x00dev->flags))
+                rt2x00lib_config(rt2x00dev, &rt2x00dev->hw->conf,
+                                 IEEE80211_CONF_CHANGE_PS);
+}
 static void rt2x00lib_rxdone_check_ps(struct rt2x00_dev *rt2x00dev,
                                      struct sk_buff *skb,
                                      struct rxdone_entry_desc *rxdesc)
@@ -512,8 +529,7 @@ static void rt2x00lib_rxdone_check_ps(struct rt2x00_dev *rt2x00dev,
        cam |= (tim_ie->bitmap_ctrl & 0x01);
        if (!cam && !test_bit(CONFIG_POWERSAVING, &rt2x00dev->flags))
-                rt2x00lib_config(rt2x00dev, &rt2x00dev->hw->conf,
+                queue_work(rt2x00dev->workqueue, &rt2x00dev->sleep_work);
-                                 IEEE80211_CONF_CHANGE_PS);
 }
 static int rt2x00lib_rxdone_read_signal(struct rt2x00_dev *rt2x00dev,
@@ -1141,6 +1157,7 @@ int rt2x00lib_probe_dev(struct rt2x00_dev *rt2x00dev)
        INIT_WORK(&rt2x00dev->intf_work, rt2x00lib_intf_scheduled);
        INIT_DELAYED_WORK(&rt2x00dev->autowakeup_work, rt2x00lib_autowakeup);
+        INIT_WORK(&rt2x00dev->sleep_work, rt2x00lib_sleep);
        /*
         * Let the driver probe the device to detect the capabilities.
@@ -1197,6 +1214,7 @@ void rt2x00lib_remove_dev(struct rt2x00_dev *rt2x00dev)
         */
        cancel_work_sync(&rt2x00dev->intf_work);
        cancel_delayed_work_sync(&rt2x00dev->autowakeup_work);
+        cancel_work_sync(&rt2x00dev->sleep_work);
        if (rt2x00_is_usb(rt2x00dev)) {
                del_timer_sync(&rt2x00dev->txstatus_timer);
                cancel_work_sync(&rt2x00dev->rxdone_work);
diff --git a/drivers/net/wireless/rtlwifi/ps.c b/drivers/net/wireless/rtlwifi/ps.c
index db5262844543..55c8e50f45fd 100644
--- a/drivers/net/wireless/rtlwifi/ps.c
+++ b/drivers/net/wireless/rtlwifi/ps.c
@@ -395,7 +395,7 @@ void rtl_lps_enter(struct ieee80211_hw *hw)
        if (mac->link_state != MAC80211_LINKED)
                return;
-        spin_lock(&rtlpriv->locks.lps_lock);
+        spin_lock_irq(&rtlpriv->locks.lps_lock);
        /* Idle for a while if we connect to AP a while ago. */
        if (mac->cnt_after_linked >= 2) {
@@ -407,7 +407,7 @@ void rtl_lps_enter(struct ieee80211_hw *hw)
                }
        }
-        spin_unlock(&rtlpriv->locks.lps_lock);
+        spin_unlock_irq(&rtlpriv->locks.lps_lock);
 }
 /*Leave the leisure power save mode.*/
@@ -416,8 +416,9 @@ void rtl_lps_leave(struct ieee80211_hw *hw)
        struct rtl_priv *rtlpriv = rtl_priv(hw);
        struct rtl_ps_ctl *ppsc = rtl_psc(rtl_priv(hw));
        struct rtl_hal *rtlhal = rtl_hal(rtl_priv(hw));
+        unsigned long flags;
-        spin_lock(&rtlpriv->locks.lps_lock);
+        spin_lock_irqsave(&rtlpriv->locks.lps_lock, flags);
        if (ppsc->fwctrl_lps) {
                if (ppsc->dot11_psmode != EACTIVE) {
@@ -438,7 +439,7 @@ void rtl_lps_leave(struct ieee80211_hw *hw)
                        rtl_lps_set_psmode(hw, EACTIVE);
                }
        }
-        spin_unlock(&rtlpriv->locks.lps_lock);
+        spin_unlock_irqrestore(&rtlpriv->locks.lps_lock, flags);
 }
 /* For sw LPS*/
@@ -539,9 +540,9 @@ void rtl_swlps_rf_awake(struct ieee80211_hw *hw)
                RT_CLEAR_PS_LEVEL(ppsc, RT_PS_LEVEL_ASPM);
        }
-        spin_lock(&rtlpriv->locks.lps_lock);
+        spin_lock_irq(&rtlpriv->locks.lps_lock);
        rtl_ps_set_rf_state(hw, ERFON, RF_CHANGE_BY_PS);
-        spin_unlock(&rtlpriv->locks.lps_lock);
+        spin_unlock_irq(&rtlpriv->locks.lps_lock);
 }
 void rtl_swlps_rfon_wq_callback(void *data)
@@ -574,9 +575,9 @@ void rtl_swlps_rf_sleep(struct ieee80211_hw *hw)
        if (rtlpriv->link_info.busytraffic)
                return;
-        spin_lock(&rtlpriv->locks.lps_lock);
+        spin_lock_irq(&rtlpriv->locks.lps_lock);
        rtl_ps_set_rf_state(hw, ERFSLEEP, RF_CHANGE_BY_PS);
-        spin_unlock(&rtlpriv->locks.lps_lock);
+        spin_unlock_irq(&rtlpriv->locks.lps_lock);
        if (ppsc->reg_rfps_level & RT_RF_OFF_LEVL_ASPM &&
                !RT_IN_PS_LEVEL(ppsc, RT_PS_LEVEL_ASPM)) {
diff --git a/drivers/net/wireless/rtlwifi/rtl8192ce/phy.c b/drivers/net/wireless/rtlwifi/rtl8192ce/phy.c
index 592a10ac5929..3b585aadabfc 100644
--- a/drivers/net/wireless/rtlwifi/rtl8192ce/phy.c
+++ b/drivers/net/wireless/rtlwifi/rtl8192ce/phy.c
@@ -569,7 +569,7 @@ static bool _rtl92ce_phy_set_rf_power_state(struct ieee80211_hw *hw,
                }
        case ERFSLEEP:{
                        if (ppsc->rfpwr_state == ERFOFF)
-                                break;
+                                return false;
                        for (queue_id = 0, i = 0;
                             queue_id < RTL_PCI_MAX_TX_QUEUE_COUNT;) {
                                ring = &pcipriv->dev.tx_ring[queue_id];
diff --git a/drivers/net/wireless/rtlwifi/rtl8192cu/phy.c b/drivers/net/wireless/rtlwifi/rtl8192cu/phy.c
index 72852900df84..e49cf2244c75 100644
--- a/drivers/net/wireless/rtlwifi/rtl8192cu/phy.c
+++ b/drivers/net/wireless/rtlwifi/rtl8192cu/phy.c
@@ -548,7 +548,7 @@ static bool _rtl92cu_phy_set_rf_power_state(struct ieee80211_hw *hw,
                break;
        case ERFSLEEP:
                if (ppsc->rfpwr_state == ERFOFF)
-                        break;
+                        return false;
                for (queue_id = 0, i = 0;
                     queue_id < RTL_PCI_MAX_TX_QUEUE_COUNT;) {
                        ring = &pcipriv->dev.tx_ring[queue_id];
diff --git a/drivers/net/wireless/rtlwifi/rtl8192de/phy.c b/drivers/net/wireless/rtlwifi/rtl8192de/phy.c
index 3ac7af1c5509..0883349e1c83 100644
--- a/drivers/net/wireless/rtlwifi/rtl8192de/phy.c
+++ b/drivers/net/wireless/rtlwifi/rtl8192de/phy.c
@@ -3374,7 +3374,7 @@ bool rtl92d_phy_set_rf_power_state(struct ieee80211_hw *hw,
                break;
        case ERFSLEEP:
                if (ppsc->rfpwr_state == ERFOFF)
-                        break;
+                        return false;
                for (queue_id = 0, i = 0;
                     queue_id < RTL_PCI_MAX_TX_QUEUE_COUNT;) {
diff --git a/drivers/net/wireless/rtlwifi/rtl8192se/phy.c b/drivers/net/wireless/rtlwifi/rtl8192se/phy.c
index f27171af979c..f10ac1ad9087 100644
--- a/drivers/net/wireless/rtlwifi/rtl8192se/phy.c
+++ b/drivers/net/wireless/rtlwifi/rtl8192se/phy.c
@@ -602,7 +602,7 @@ bool rtl92s_phy_set_rf_power_state(struct ieee80211_hw *hw,
                }
        case ERFSLEEP:
                        if (ppsc->rfpwr_state == ERFOFF)
-                                break;
+                                return false;
                        for (queue_id = 0, i = 0;
                             queue_id < RTL_PCI_MAX_TX_QUEUE_COUNT;) {
diff --git a/drivers/net/wireless/wl12xx/scan.c b/drivers/net/wireless/wl12xx/scan.c
index 128ccb79318c..fc29c671cf3b 100644
--- a/drivers/net/wireless/wl12xx/scan.c
+++ b/drivers/net/wireless/wl12xx/scan.c
@@ -559,7 +559,7 @@ wl12xx_scan_sched_scan_ssid_list(struct wl1271 *wl,
                                                break;
                                        }
                                /* Fail if SSID isn't present in the filters */
-                                if (j == req->n_ssids) {
+                                if (j == cmd->n_ssids) {
                                        ret = -EINVAL;
                                        goto out_free;
                                }
diff --git a/drivers/net/xen-netback/netback.c b/drivers/net/xen-netback/netback.c
index 0cb594c86090..15e332d08c8d 100644
--- a/drivers/net/xen-netback/netback.c
+++ b/drivers/net/xen-netback/netback.c
@@ -1021,7 +1021,7 @@ static int xen_netbk_tx_check_gop(struct xen_netbk *netbk,
                pending_idx = *((u16 *)skb->data);
                xen_netbk_idx_release(netbk, pending_idx);
                for (j = start; j < i; j++) {
-                        pending_idx = frag_get_pending_idx(&shinfo->frags[i]);
+                        pending_idx = frag_get_pending_idx(&shinfo->frags[j]);
                        xen_netbk_idx_release(netbk, pending_idx);
                }
@@ -1668,7 +1668,7 @@ static int __init netback_init(void)
                                             "netback/%u", group);
                if (IS_ERR(netbk->task)) {
-                        printk(KERN_ALERT "kthread_run() fails at netback\n");
+                        printk(KERN_ALERT "kthread_create() fails at netback\n");
                        del_timer(&netbk->net_timer);
                        rc = PTR_ERR(netbk->task);
                        goto failed_init;
diff --git a/drivers/of/irq.c b/drivers/of/irq.c
index 6d3dd3988d0f..0f0cfa3bca30 100644
--- a/drivers/of/irq.c
+++ b/drivers/of/irq.c
@@ -26,11 +26,6 @@
 #include <linux/string.h>
 #include <linux/slab.h>
-/* For archs that don't support NO_IRQ (such as x86), provide a dummy value */
-#ifndef NO_IRQ
-#define NO_IRQ 0
-#endif
 /**
 * irq_of_parse_and_map - Parse and map an interrupt into linux virq space
 * @device: Device node of the device whose interrupt is to be mapped
@@ -44,7 +39,7 @@ unsigned int irq_of_parse_and_map(struct device_node *dev, int index)
        struct of_irq oirq;
        if (of_irq_map_one(dev, index, &oirq))
-                return NO_IRQ;
+                return 0;
        return irq_create_of_mapping(oirq.controller, oirq.specifier,
                                     oirq.size);
@@ -60,27 +55,27 @@ EXPORT_SYMBOL_GPL(irq_of_parse_and_map);
 */
 struct device_node *of_irq_find_parent(struct device_node *child)
 {
-        struct device_node *p, *c = child;
+        struct device_node *p;
        const __be32 *parp;
-        if (!of_node_get(c))
+        if (!of_node_get(child))
                return NULL;
        do {
-                parp = of_get_property(c, "interrupt-parent", NULL);
+                parp = of_get_property(child, "interrupt-parent", NULL);
                if (parp == NULL)
-                        p = of_get_parent(c);
+                        p = of_get_parent(child);
                else {
                        if (of_irq_workarounds & OF_IMAP_NO_PHANDLE)
                                p = of_node_get(of_irq_dflt_pic);
                        else
                                p = of_find_node_by_phandle(be32_to_cpup(parp));
                }
-                of_node_put(c);
+                of_node_put(child);
-                c = p;
+                child = p;
        } while (p && of_get_property(p, "#interrupt-cells", NULL) == NULL);
-        return (p == child) ? NULL : p;
+        return p;
 }
 /**
@@ -345,7 +340,7 @@ int of_irq_to_resource(struct device_node *dev, int index, struct resource *r)
        /* Only dereference the resource if both the
         * resource and the irq are valid. */
-        if (r && irq != NO_IRQ) {
+        if (r && irq) {
                r->start = r->end = irq;
                r->flags = IORESOURCE_IRQ;
                r->name = dev->full_name;
@@ -363,7 +358,7 @@ int of_irq_count(struct device_node *dev)
 {
        int nr = 0;
-        while (of_irq_to_resource(dev, nr, NULL) != NO_IRQ)
+        while (of_irq_to_resource(dev, nr, NULL))
                nr++;
        return nr;
@@ -383,7 +378,7 @@ int of_irq_to_resource_table(struct device_node *dev, struct resource *res,
        int i;
        for (i = 0; i < nr_irqs; i++, res++)
-                if (of_irq_to_resource(dev, i, res) == NO_IRQ)
+                if (!of_irq_to_resource(dev, i, res))
                        break;
        return i;
@@ -424,6 +419,8 @@ void __init of_irq_init(const struct of_device_id *matches)
                desc->dev = np;
                desc->interrupt_parent = of_irq_find_parent(np);
+                if (desc->interrupt_parent == np)
+                        desc->interrupt_parent = NULL;
                list_add_tail(&desc->list, &intc_desc_list);
        }
diff --git a/drivers/oprofile/oprof.c b/drivers/oprofile/oprof.c
index dccd8636095c..f8c752e408a6 100644
--- a/drivers/oprofile/oprof.c
+++ b/drivers/oprofile/oprof.c
@@ -239,26 +239,45 @@ int oprofile_set_ulong(unsigned long *addr, unsigned long val)
        return err;
 }
+static int timer_mode;
 static int __init oprofile_init(void)
 {
        int err;
+        /* always init architecture to setup backtrace support */
        err = oprofile_arch_init(&oprofile_ops);
-        if (err < 0 || timer) {
-                printk(KERN_INFO "oprofile: using timer interrupt.\n");
+        timer_mode = err || timer;      /* fall back to timer mode on errors */
+        if (timer_mode) {
+                if (!err)
+                        oprofile_arch_exit();
                err = oprofile_timer_init(&oprofile_ops);
                if (err)
                        return err;
        }
-        return oprofilefs_register();
+        err = oprofilefs_register();
+        if (!err)
+                return 0;
+        /* failed */
+        if (timer_mode)
+                oprofile_timer_exit();
+        else
+                oprofile_arch_exit();
+        return err;
 }
 static void __exit oprofile_exit(void)
 {
-        oprofile_timer_exit();
        oprofilefs_unregister();
-        oprofile_arch_exit();
+        if (timer_mode)
+                oprofile_timer_exit();
+        else
+                oprofile_arch_exit();
 }
diff --git a/drivers/oprofile/timer_int.c b/drivers/oprofile/timer_int.c
index 3ef44624f510..878fba126582 100644
--- a/drivers/oprofile/timer_int.c
+++ b/drivers/oprofile/timer_int.c
@@ -110,6 +110,7 @@ int oprofile_timer_init(struct oprofile_operations *ops)
        ops->start = oprofile_hrtimer_start;
        ops->stop = oprofile_hrtimer_stop;
        ops->cpu_type = "timer";
+        printk(KERN_INFO "oprofile: using timer interrupt.\n");
        return 0;
 }
diff --git a/drivers/pci/Kconfig b/drivers/pci/Kconfig
index b6f9749b4fa7..f02b5235056d 100644
--- a/drivers/pci/Kconfig
+++ b/drivers/pci/Kconfig
@@ -76,6 +76,7 @@ config PCI_IOV
 config PCI_PRI
        bool "PCI PRI support"
+        depends on PCI
        select PCI_ATS
        help
          PRI is the PCI Page Request Interface. It allows PCI devices that are
diff --git a/drivers/pci/hotplug/acpiphp_glue.c b/drivers/pci/hotplug/acpiphp_glue.c
index 596172b4ae95..fce1c54a0c8d 100644
--- a/drivers/pci/hotplug/acpiphp_glue.c
+++ b/drivers/pci/hotplug/acpiphp_glue.c
@@ -459,8 +459,17 @@ static int add_bridge(acpi_handle handle)
 {
        acpi_status status;
        unsigned long long tmp;
+        struct acpi_pci_root *root;
        acpi_handle dummy_handle;
+        /*
+         * We shouldn't use this bridge if PCIe native hotplug control has been
+         * granted by the BIOS for it.
+         */
+        root = acpi_pci_find_root(handle);
+        if (root && (root->osc_control_set & OSC_PCI_EXPRESS_NATIVE_HP_CONTROL))
+                return -ENODEV;
        /* if the bridge doesn't have _STA, we assume it is always there */
        status = acpi_get_handle(handle, "_STA", &dummy_handle);
        if (ACPI_SUCCESS(status)) {
@@ -1376,13 +1385,23 @@ static void handle_hotplug_event_func(acpi_handle handle, u32 type,
 static acpi_status
 find_root_bridges(acpi_handle handle, u32 lvl, void *context, void **rv)
 {
+        struct acpi_pci_root *root;
        int *count = (int *)context;
-        if (acpi_is_root_bridge(handle)) {
+        if (!acpi_is_root_bridge(handle))
-                acpi_install_notify_handler(handle, ACPI_SYSTEM_NOTIFY,
+                return AE_OK;
-                                handle_hotplug_event_bridge, NULL);
-                        (*count)++;
+        root = acpi_pci_find_root(handle);
-        }
+        if (!root)
+                return AE_OK;
+        if (root->osc_control_set & OSC_PCI_EXPRESS_NATIVE_HP_CONTROL)
+                return AE_OK;
+        (*count)++;
+        acpi_install_notify_handler(handle, ACPI_SYSTEM_NOTIFY,
+                                    handle_hotplug_event_bridge, NULL);
        return AE_OK ;
 }
diff --git a/drivers/pci/hotplug/pciehp_ctrl.c b/drivers/pci/hotplug/pciehp_ctrl.c
index 1e9c9aacc3a6..085dbb5fc168 100644
--- a/drivers/pci/hotplug/pciehp_ctrl.c
+++ b/drivers/pci/hotplug/pciehp_ctrl.c
@@ -213,9 +213,6 @@ static int board_added(struct slot *p_slot)
                goto err_exit;
        }
-        /* Wait for 1 second after checking link training status */
-        msleep(1000);
        /* Check for a power fault */
        if (ctrl->power_fault_detected || pciehp_query_power_fault(p_slot)) {
                ctrl_err(ctrl, "Power fault on slot %s\n", slot_name(p_slot));
diff --git a/drivers/pci/hotplug/pciehp_hpc.c b/drivers/pci/hotplug/pciehp_hpc.c
index 96dc4734e4af..7b1414810ae3 100644
--- a/drivers/pci/hotplug/pciehp_hpc.c
+++ b/drivers/pci/hotplug/pciehp_hpc.c
@@ -280,6 +280,14 @@ int pciehp_check_link_status(struct controller *ctrl)
        else
                msleep(1000);
+        /*
+         * Need to wait for 1000 ms after Data Link Layer Link Active
+         * (DLLLA) bit reads 1b before sending configuration request.
+         * We need it before checking Link Training (LT) bit becuase
+         * LT is still set even after DLLLA bit is set on some platform.
+         */
+        msleep(1000);
        retval = pciehp_readw(ctrl, PCI_EXP_LNKSTA, &lnk_status);
        if (retval) {
                ctrl_err(ctrl, "Cannot read LNKSTATUS register\n");
@@ -294,6 +302,16 @@ int pciehp_check_link_status(struct controller *ctrl)
                return retval;
        }
+        /*
+         * If the port supports Link speeds greater than 5.0 GT/s, we
+         * must wait for 100 ms after Link training completes before
+         * sending configuration request.
+         */
+        if (ctrl->pcie->port->subordinate->max_bus_speed > PCIE_SPEED_5_0GT)
+                msleep(100);
+        pcie_update_link_speed(ctrl->pcie->port->subordinate, lnk_status);
        return retval;
 }
@@ -484,7 +502,6 @@ int pciehp_power_on_slot(struct slot * slot)
        u16 slot_cmd;
        u16 cmd_mask;
        u16 slot_status;
-        u16 lnk_status;
        int retval = 0;
        /* Clear sticky power-fault bit from previous power failures */
@@ -516,14 +533,6 @@ int pciehp_power_on_slot(struct slot * slot)
        ctrl_dbg(ctrl, "%s: SLOTCTRL %x write cmd %x\n", __func__,
                 pci_pcie_cap(ctrl->pcie->port) + PCI_EXP_SLTCTL, slot_cmd);
-        retval = pciehp_readw(ctrl, PCI_EXP_LNKSTA, &lnk_status);
-        if (retval) {
-                ctrl_err(ctrl, "%s: Cannot read LNKSTA register\n",
-                                __func__);
-                return retval;
-        }
-        pcie_update_link_speed(ctrl->pcie->port->subordinate, lnk_status);
        return retval;
 }
diff --git a/drivers/pci/hotplug/shpchp_core.c b/drivers/pci/hotplug/shpchp_core.c
index aca972bbfb4c..dd7e0c51a33e 100644
--- a/drivers/pci/hotplug/shpchp_core.c
+++ b/drivers/pci/hotplug/shpchp_core.c
@@ -278,8 +278,8 @@ static int get_adapter_status (struct hotplug_slot *hotplug_slot, u8 *value)
 static int is_shpc_capable(struct pci_dev *dev)
 {
-        if ((dev->vendor == PCI_VENDOR_ID_AMD) || (dev->device ==
+        if (dev->vendor == PCI_VENDOR_ID_AMD &&
-                                                PCI_DEVICE_ID_AMD_GOLAM_7450))
+            dev->device == PCI_DEVICE_ID_AMD_GOLAM_7450)
                return 1;
        if (!pci_find_capability(dev, PCI_CAP_ID_SHPC))
                return 0;
diff --git a/drivers/pci/hotplug/shpchp_hpc.c b/drivers/pci/hotplug/shpchp_hpc.c
index 36547f0ce305..75ba2311b54f 100644
--- a/drivers/pci/hotplug/shpchp_hpc.c
+++ b/drivers/pci/hotplug/shpchp_hpc.c
@@ -944,8 +944,8 @@ int shpc_init(struct controller *ctrl, struct pci_dev *pdev)
        ctrl->pci_dev = pdev;  /* pci_dev of the P2P bridge */
        ctrl_dbg(ctrl, "Hotplug Controller:\n");
-        if ((pdev->vendor == PCI_VENDOR_ID_AMD) || (pdev->device ==
+        if (pdev->vendor == PCI_VENDOR_ID_AMD &&
-                                PCI_DEVICE_ID_AMD_GOLAM_7450)) {
+            pdev->device == PCI_DEVICE_ID_AMD_GOLAM_7450) {
                /* amd shpc driver doesn't use Base Offset; assume 0 */
                ctrl->mmio_base = pci_resource_start(pdev, 0);
                ctrl->mmio_size = pci_resource_len(pdev, 0);
diff --git a/drivers/pinctrl/Kconfig b/drivers/pinctrl/Kconfig
index ef566443f945..e17e2f8001d2 100644
--- a/drivers/pinctrl/Kconfig
+++ b/drivers/pinctrl/Kconfig
@@ -2,23 +2,17 @@
 # PINCTRL infrastructure and drivers
 #
-menuconfig PINCTRL
+config PINCTRL
-        bool "PINCTRL Support"
+        bool
        depends on EXPERIMENTAL
-        help
-          This enables the PINCTRL subsystem for controlling pins
-          on chip packages, for example multiplexing pins on primarily
-          PGA and BGA packages for systems on chip.
-          If unsure, say N.
 if PINCTRL
+menu "Pin controllers"
+        depends on PINCTRL
 config PINMUX
        bool "Support pinmux controllers"
-        help
-          Say Y here if you want the pincontrol subsystem to handle pin
-          multiplexing drivers.
 config DEBUG_PINCTRL
        bool "Debug PINCTRL calls"
@@ -30,14 +24,12 @@ config PINMUX_SIRF
        bool "CSR SiRFprimaII pinmux driver"
        depends on ARCH_PRIMA2
        select PINMUX
-        help
-          Say Y here to enable the SiRFprimaII pinmux driver
 config PINMUX_U300
        bool "U300 pinmux driver"
        depends on ARCH_U300
        select PINMUX
-        help
-          Say Y here to enable the U300 pinmux driver
+endmenu
 endif
diff --git a/drivers/platform/x86/Kconfig b/drivers/platform/x86/Kconfig
index f4e3d82379d7..7f43cf86d776 100644
--- a/drivers/platform/x86/Kconfig
+++ b/drivers/platform/x86/Kconfig
@@ -83,8 +83,10 @@ config DELL_LAPTOP
        depends on EXPERIMENTAL
        depends on BACKLIGHT_CLASS_DEVICE
        depends on RFKILL || RFKILL = n
-        depends on POWER_SUPPLY
        depends on SERIO_I8042
+        select POWER_SUPPLY
+        select LEDS_CLASS
+        select NEW_LEDS
        default n
        ---help---
        This driver adds support for rfkill and backlight control to Dell
diff --git a/drivers/platform/x86/dell-laptop.c b/drivers/platform/x86/dell-laptop.c
index a43cfd906c6d..d93e962f2610 100644
--- a/drivers/platform/x86/dell-laptop.c
+++ b/drivers/platform/x86/dell-laptop.c
@@ -589,14 +589,14 @@ static const struct backlight_ops dell_ops = {
        .update_status  = dell_send_intensity,
 };
-static void touchpad_led_on()
+static void touchpad_led_on(void)
 {
        int command = 0x97;
        char data = 1;
        i8042_command(&data, command | 1 << 12);
 }
-static void touchpad_led_off()
+static void touchpad_led_off(void)
 {
        int command = 0x97;
        char data = 2;
diff --git a/drivers/platform/x86/toshiba_acpi.c b/drivers/platform/x86/toshiba_acpi.c
index 13ef8c37471d..dcdc1f4a4624 100644
--- a/drivers/platform/x86/toshiba_acpi.c
+++ b/drivers/platform/x86/toshiba_acpi.c
@@ -121,6 +121,7 @@ struct toshiba_acpi_dev {
        int illumination_supported:1;
        int video_supported:1;
        int fan_supported:1;
+        int system_event_supported:1;
        struct mutex mutex;
 };
@@ -724,7 +725,7 @@ static int keys_proc_show(struct seq_file *m, void *v)
        u32 hci_result;
        u32 value;
-        if (!dev->key_event_valid) {
+        if (!dev->key_event_valid && dev->system_event_supported) {
                hci_read1(dev, HCI_SYSTEM_EVENT, &value, &hci_result);
                if (hci_result == HCI_SUCCESS) {
                        dev->key_event_valid = 1;
@@ -964,6 +965,8 @@ static int __devinit toshiba_acpi_add(struct acpi_device *acpi_dev)
        /* enable event fifo */
        hci_write1(dev, HCI_SYSTEM_EVENT, 1, &hci_result);
+        if (hci_result == HCI_SUCCESS)
+                dev->system_event_supported = 1;
        props.type = BACKLIGHT_PLATFORM;
        props.max_brightness = HCI_LCD_BRIGHTNESS_LEVELS - 1;
@@ -1032,12 +1035,15 @@ static void toshiba_acpi_notify(struct acpi_device *acpi_dev, u32 event)
 {
        struct toshiba_acpi_dev *dev = acpi_driver_data(acpi_dev);
        u32 hci_result, value;
+        int retries = 3;
-        if (event != 0x80)
+        if (!dev->system_event_supported || event != 0x80)
                return;
        do {
                hci_read1(dev, HCI_SYSTEM_EVENT, &value, &hci_result);
-                if (hci_result == HCI_SUCCESS) {
+                switch (hci_result) {
+                case HCI_SUCCESS:
                        if (value == 0x100)
                                continue;
                        /* act on key press; ignore key release */
@@ -1049,14 +1055,19 @@ static void toshiba_acpi_notify(struct acpi_device *acpi_dev, u32 event)
                                pr_info("Unknown key %x\n",
                                       value);
                        }
-                } else if (hci_result == HCI_NOT_SUPPORTED) {
+                        break;
+                case HCI_NOT_SUPPORTED:
                        /* This is a workaround for an unresolved issue on
                         * some machines where system events sporadically
                         * become disabled. */
                        hci_write1(dev, HCI_SYSTEM_EVENT, 1, &hci_result);
                        pr_notice("Re-enabled hotkeys\n");
+                        /* fall through */
+                default:
+                        retries--;
+                        break;
                }
-        } while (hci_result != HCI_EMPTY);
+        } while (retries && hci_result != HCI_EMPTY);
 }
diff --git a/drivers/power/intel_mid_battery.c b/drivers/power/intel_mid_battery.c
index cffcb7c00b00..01fa671ec97f 100644
--- a/drivers/power/intel_mid_battery.c
+++ b/drivers/power/intel_mid_battery.c
@@ -61,7 +61,8 @@ MODULE_PARM_DESC(debug, "Flag to enable PMIC Battery debug messages.");
 #define PMIC_BATT_CHR_SBATDET_MASK      (1 << 5)
 #define PMIC_BATT_CHR_SDCLMT_MASK       (1 << 6)
 #define PMIC_BATT_CHR_SUSBOVP_MASK      (1 << 7)
-#define PMIC_BATT_CHR_EXCPT_MASK        0xC6
+#define PMIC_BATT_CHR_EXCPT_MASK        0x86
 #define PMIC_BATT_ADC_ACCCHRG_MASK      (1 << 31)
 #define PMIC_BATT_ADC_ACCCHRGVAL_MASK   0x7FFFFFFF
@@ -304,11 +305,6 @@ static void pmic_battery_read_status(struct pmic_power_module_info *pbi)
                        pbi->batt_status = POWER_SUPPLY_STATUS_NOT_CHARGING;
                        pmic_battery_log_event(BATT_EVENT_BATOVP_EXCPT);
                        batt_exception = 1;
-                } else if (r8 & PMIC_BATT_CHR_SDCLMT_MASK) {
-                        pbi->batt_health = POWER_SUPPLY_HEALTH_OVERVOLTAGE;
-                        pbi->batt_status = POWER_SUPPLY_STATUS_NOT_CHARGING;
-                        pmic_battery_log_event(BATT_EVENT_DCLMT_EXCPT);
-                        batt_exception = 1;
                } else if (r8 & PMIC_BATT_CHR_STEMP_MASK) {
                        pbi->batt_health = POWER_SUPPLY_HEALTH_OVERHEAT;
                        pbi->batt_status = POWER_SUPPLY_STATUS_NOT_CHARGING;
@@ -316,6 +312,10 @@ static void pmic_battery_read_status(struct pmic_power_module_info *pbi)
                        batt_exception = 1;
                } else {
                        pbi->batt_health = POWER_SUPPLY_HEALTH_GOOD;
+                        if (r8 & PMIC_BATT_CHR_SDCLMT_MASK) {
+                                /* PMIC will change charging current automatically */
+                                pmic_battery_log_event(BATT_EVENT_DCLMT_EXCPT);
+                        }
                }
        }
diff --git a/drivers/ps3/ps3-vuart.c b/drivers/ps3/ps3-vuart.c
index d9fb729535a1..fb7300837fee 100644
--- a/drivers/ps3/ps3-vuart.c
+++ b/drivers/ps3/ps3-vuart.c
@@ -952,7 +952,7 @@ static int ps3_vuart_bus_interrupt_get(void)
        }
        result = request_irq(vuart_bus_priv.virq, ps3_vuart_irq_handler,
-                IRQF_DISABLED, "vuart", &vuart_bus_priv);
+                0, "vuart", &vuart_bus_priv);
        if (result) {
                pr_debug("%s:%d: request_irq failed (%d)\n",
diff --git a/drivers/ps3/ps3stor_lib.c b/drivers/ps3/ps3stor_lib.c
index cc328dec946b..8c3f5adf1bc6 100644
--- a/drivers/ps3/ps3stor_lib.c
+++ b/drivers/ps3/ps3stor_lib.c
@@ -167,7 +167,7 @@ int ps3stor_setup(struct ps3_storage_device *dev, irq_handler_t handler)
                goto fail_close_device;
        }
-        error = request_irq(dev->irq, handler, IRQF_DISABLED,
+        error = request_irq(dev->irq, handler, 0,
                            dev->sbd.core.driver->name, dev);
        if (error) {
                dev_err(&dev->sbd.core, "%s:%u: request_irq failed %d\n",
diff --git a/drivers/ptp/ptp_clock.c b/drivers/ptp/ptp_clock.c
index cf3f9997546d..10451a15e828 100644
--- a/drivers/ptp/ptp_clock.c
+++ b/drivers/ptp/ptp_clock.c
@@ -101,7 +101,9 @@ static s32 scaled_ppm_to_ppb(long ppm)
 static int ptp_clock_getres(struct posix_clock *pc, struct timespec *tp)
 {
-        return 1; /* always round timer functions to one nanosecond */
+        tp->tv_sec = 0;
+        tp->tv_nsec = 1;
+        return 0;
 }
 static int ptp_clock_settime(struct posix_clock *pc, const struct timespec *tp)
diff --git a/drivers/rapidio/devices/tsi721.c b/drivers/rapidio/devices/tsi721.c
index 5225930a10cd..691b1ab1a3d0 100644
--- a/drivers/rapidio/devices/tsi721.c
+++ b/drivers/rapidio/devices/tsi721.c
@@ -851,14 +851,12 @@ static int tsi721_doorbell_init(struct tsi721_device *priv)
        INIT_WORK(&priv->idb_work, tsi721_db_dpc);
        /* Allocate buffer for inbound doorbells queue */
-        priv->idb_base = dma_alloc_coherent(&priv->pdev->dev,
+        priv->idb_base = dma_zalloc_coherent(&priv->pdev->dev,
                                IDB_QSIZE * TSI721_IDB_ENTRY_SIZE,
                                &priv->idb_dma, GFP_KERNEL);
        if (!priv->idb_base)
                return -ENOMEM;
-        memset(priv->idb_base, 0, IDB_QSIZE * TSI721_IDB_ENTRY_SIZE);
        dev_dbg(&priv->pdev->dev, "Allocated IDB buffer @ %p (phys = %llx)\n",
                priv->idb_base, (unsigned long long)priv->idb_dma);
@@ -904,7 +902,7 @@ static int tsi721_bdma_ch_init(struct tsi721_device *priv, int chnum)
         */
        /* Allocate space for DMA descriptors */
-        bd_ptr = dma_alloc_coherent(&priv->pdev->dev,
+        bd_ptr = dma_zalloc_coherent(&priv->pdev->dev,
                                        bd_num * sizeof(struct tsi721_dma_desc),
                                        &bd_phys, GFP_KERNEL);
        if (!bd_ptr)
@@ -913,8 +911,6 @@ static int tsi721_bdma_ch_init(struct tsi721_device *priv, int chnum)
        priv->bdma[chnum].bd_phys = bd_phys;
        priv->bdma[chnum].bd_base = bd_ptr;
-        memset(bd_ptr, 0, bd_num * sizeof(struct tsi721_dma_desc));
        dev_dbg(&priv->pdev->dev, "DMA descriptors @ %p (phys = %llx)\n",
                bd_ptr, (unsigned long long)bd_phys);
@@ -922,7 +918,7 @@ static int tsi721_bdma_ch_init(struct tsi721_device *priv, int chnum)
        sts_size = (bd_num >= TSI721_DMA_MINSTSSZ) ?
                                        bd_num : TSI721_DMA_MINSTSSZ;
        sts_size = roundup_pow_of_two(sts_size);
-        sts_ptr = dma_alloc_coherent(&priv->pdev->dev,
+        sts_ptr = dma_zalloc_coherent(&priv->pdev->dev,
                                     sts_size * sizeof(struct tsi721_dma_sts),
                                     &sts_phys, GFP_KERNEL);
        if (!sts_ptr) {
@@ -938,8 +934,6 @@ static int tsi721_bdma_ch_init(struct tsi721_device *priv, int chnum)
        priv->bdma[chnum].sts_base = sts_ptr;
        priv->bdma[chnum].sts_size = sts_size;
-        memset(sts_ptr, 0, sts_size);
        dev_dbg(&priv->pdev->dev,
                "desc status FIFO @ %p (phys = %llx) size=0x%x\n",
                sts_ptr, (unsigned long long)sts_phys, sts_size);
@@ -1400,7 +1394,7 @@ static int tsi721_open_outb_mbox(struct rio_mport *mport, void *dev_id,
        /* Outbound message descriptor status FIFO allocation */
        priv->omsg_ring[mbox].sts_size = roundup_pow_of_two(entries + 1);
-        priv->omsg_ring[mbox].sts_base = dma_alloc_coherent(&priv->pdev->dev,
+        priv->omsg_ring[mbox].sts_base = dma_zalloc_coherent(&priv->pdev->dev,
                        priv->omsg_ring[mbox].sts_size *
                                                sizeof(struct tsi721_dma_sts),
                        &priv->omsg_ring[mbox].sts_phys, GFP_KERNEL);
@@ -1412,9 +1406,6 @@ static int tsi721_open_outb_mbox(struct rio_mport *mport, void *dev_id,
                goto out_desc;
        }
-        memset(priv->omsg_ring[mbox].sts_base, 0,
-                entries * sizeof(struct tsi721_dma_sts));
        /*
         * Configure Outbound Messaging Engine
         */
@@ -2116,8 +2107,8 @@ static int __devinit tsi721_setup_mport(struct tsi721_device *priv)
        INIT_LIST_HEAD(&mport->dbells);
        rio_init_dbell_res(&mport->riores[RIO_DOORBELL_RESOURCE], 0, 0xffff);
-        rio_init_mbox_res(&mport->riores[RIO_INB_MBOX_RESOURCE], 0, 0);
+        rio_init_mbox_res(&mport->riores[RIO_INB_MBOX_RESOURCE], 0, 3);
-        rio_init_mbox_res(&mport->riores[RIO_OUTB_MBOX_RESOURCE], 0, 0);
+        rio_init_mbox_res(&mport->riores[RIO_OUTB_MBOX_RESOURCE], 0, 3);
        strcpy(mport->name, "Tsi721 mport");
        /* Hook up interrupt handler */
@@ -2163,7 +2154,7 @@ static int __devinit tsi721_probe(struct pci_dev *pdev,
                                  const struct pci_device_id *id)
 {
        struct tsi721_device *priv;
-        int i;
+        int i, cap;
        int err;
        u32 regval;
@@ -2271,10 +2262,20 @@ static int __devinit tsi721_probe(struct pci_dev *pdev,
                        dev_info(&pdev->dev, "Unable to set consistent DMA mask\n");
        }
-        /* Clear "no snoop" and "relaxed ordering" bits. */
+        cap = pci_pcie_cap(pdev);
-        pci_read_config_dword(pdev, 0x40 + PCI_EXP_DEVCTL, &regval);
+        BUG_ON(cap == 0);
-        regval &= ~(PCI_EXP_DEVCTL_RELAX_EN | PCI_EXP_DEVCTL_NOSNOOP_EN);
-        pci_write_config_dword(pdev, 0x40 + PCI_EXP_DEVCTL, regval);
+        /* Clear "no snoop" and "relaxed ordering" bits, use default MRRS. */
+        pci_read_config_dword(pdev, cap + PCI_EXP_DEVCTL, &regval);
+        regval &= ~(PCI_EXP_DEVCTL_READRQ | PCI_EXP_DEVCTL_RELAX_EN |
+                    PCI_EXP_DEVCTL_NOSNOOP_EN);
+        regval |= 0x2 << MAX_READ_REQUEST_SZ_SHIFT;
+        pci_write_config_dword(pdev, cap + PCI_EXP_DEVCTL, regval);
+        /* Adjust PCIe completion timeout. */
+        pci_read_config_dword(pdev, cap + PCI_EXP_DEVCTL2, &regval);
+        regval &= ~(0x0f);
+        pci_write_config_dword(pdev, cap + PCI_EXP_DEVCTL2, regval | 0x2);
        /*
         * FIXUP: correct offsets of MSI-X tables in the MSI-X Capability Block
diff --git a/drivers/rapidio/devices/tsi721.h b/drivers/rapidio/devices/tsi721.h
index 58be4deb1402..822e54c394d5 100644
--- a/drivers/rapidio/devices/tsi721.h
+++ b/drivers/rapidio/devices/tsi721.h
@@ -72,6 +72,8 @@
 #define TSI721_MSIXPBA_OFFSET   0x2a000
 #define TSI721_PCIECFG_EPCTL    0x400
+#define MAX_READ_REQUEST_SZ_SHIFT       12
 /*
 * Event Management Registers
 */
diff --git a/drivers/regulator/aat2870-regulator.c b/drivers/regulator/aat2870-regulator.c
index 5abeb3ac3e8d..298c6c6a2795 100644
--- a/drivers/regulator/aat2870-regulator.c
+++ b/drivers/regulator/aat2870-regulator.c
@@ -160,7 +160,7 @@ static struct aat2870_regulator *aat2870_get_regulator(int id)
                        break;
        }
-        if (!ri)
+        if (i == ARRAY_SIZE(aat2870_regulators))
                return NULL;
        ri->enable_addr = AAT2870_LDO_EN;
diff --git a/drivers/regulator/core.c b/drivers/regulator/core.c
index 669d02160221..938398f3e869 100644
--- a/drivers/regulator/core.c
+++ b/drivers/regulator/core.c
@@ -2799,8 +2799,8 @@ void regulator_unregister(struct regulator_dev *rdev)
        list_del(&rdev->list);
        if (rdev->supply)
                regulator_put(rdev->supply);
-        device_unregister(&rdev->dev);
        kfree(rdev->constraints);
+        device_unregister(&rdev->dev);
        mutex_unlock(&regulator_list_mutex);
 }
 EXPORT_SYMBOL_GPL(regulator_unregister);
diff --git a/drivers/regulator/tps65910-regulator.c b/drivers/regulator/tps65910-regulator.c
index 66d2d60b436a..b552aae55b41 100644
--- a/drivers/regulator/tps65910-regulator.c
+++ b/drivers/regulator/tps65910-regulator.c
@@ -664,10 +664,10 @@ static int tps65910_set_voltage_dcdc(struct regulator_dev *dev,
        switch (id) {
        case TPS65910_REG_VDD1:
-                dcdc_mult = (selector / VDD1_2_NUM_VOLTS) + 1;
+                dcdc_mult = (selector / VDD1_2_NUM_VOLT_FINE) + 1;
                if (dcdc_mult == 1)
                        dcdc_mult--;
-                vsel = (selector % VDD1_2_NUM_VOLTS) + 3;
+                vsel = (selector % VDD1_2_NUM_VOLT_FINE) + 3;
                tps65910_modify_bits(pmic, TPS65910_VDD1,
                                (dcdc_mult << VDD1_VGAIN_SEL_SHIFT),
@@ -675,10 +675,10 @@ static int tps65910_set_voltage_dcdc(struct regulator_dev *dev,
                tps65910_reg_write(pmic, TPS65910_VDD1_OP, vsel);
                break;
        case TPS65910_REG_VDD2:
-                dcdc_mult = (selector / VDD1_2_NUM_VOLTS) + 1;
+                dcdc_mult = (selector / VDD1_2_NUM_VOLT_FINE) + 1;
                if (dcdc_mult == 1)
                        dcdc_mult--;
-                vsel = (selector % VDD1_2_NUM_VOLTS) + 3;
+                vsel = (selector % VDD1_2_NUM_VOLT_FINE) + 3;
                tps65910_modify_bits(pmic, TPS65910_VDD2,
                                (dcdc_mult << VDD2_VGAIN_SEL_SHIFT),
@@ -756,9 +756,9 @@ static int tps65910_list_voltage_dcdc(struct regulator_dev *dev,
        switch (id) {
        case TPS65910_REG_VDD1:
        case TPS65910_REG_VDD2:
-                mult = (selector / VDD1_2_NUM_VOLTS) + 1;
+                mult = (selector / VDD1_2_NUM_VOLT_FINE) + 1;
                volt = VDD1_2_MIN_VOLT +
-                                (selector % VDD1_2_NUM_VOLTS) * VDD1_2_OFFSET;
+                                (selector % VDD1_2_NUM_VOLT_FINE) * VDD1_2_OFFSET;
                break;
        case TPS65911_REG_VDDCTRL:
                volt = VDDCTRL_MIN_VOLT + (selector * VDDCTRL_OFFSET);
@@ -947,6 +947,8 @@ static __devinit int tps65910_probe(struct platform_device *pdev)
                if (i == TPS65910_REG_VDD1 || i == TPS65910_REG_VDD2) {
                        pmic->desc[i].ops = &tps65910_ops_dcdc;
+                        pmic->desc[i].n_voltages = VDD1_2_NUM_VOLT_FINE *
+                                                        VDD1_2_NUM_VOLT_COARSE;
                } else if (i == TPS65910_REG_VDD3) {
                        if (tps65910_chip_id(tps65910) == TPS65910)
                                pmic->desc[i].ops = &tps65910_ops_vdd3;
diff --git a/drivers/regulator/twl-regulator.c b/drivers/regulator/twl-regulator.c
index ee8747f4fa08..11cc308d66e9 100644
--- a/drivers/regulator/twl-regulator.c
+++ b/drivers/regulator/twl-regulator.c
@@ -71,6 +71,7 @@ struct twlreg_info {
 #define VREG_TYPE               1
 #define VREG_REMAP              2
 #define VREG_DEDICATED          3       /* LDO control */
+#define VREG_VOLTAGE_SMPS_4030  9
 /* TWL6030 register offsets */
 #define VREG_TRANS              1
 #define VREG_STATE              2
@@ -514,6 +515,32 @@ static struct regulator_ops twl4030ldo_ops = {
        .get_status     = twl4030reg_get_status,
 };
+static int
+twl4030smps_set_voltage(struct regulator_dev *rdev, int min_uV, int max_uV,
+                        unsigned *selector)
+{
+        struct twlreg_info *info = rdev_get_drvdata(rdev);
+        int vsel = DIV_ROUND_UP(min_uV - 600000, 12500);
+        twlreg_write(info, TWL_MODULE_PM_RECEIVER, VREG_VOLTAGE_SMPS_4030,
+                vsel);
+        return 0;
+}
+static int twl4030smps_get_voltage(struct regulator_dev *rdev)
+{
+        struct twlreg_info *info = rdev_get_drvdata(rdev);
+        int vsel = twlreg_read(info, TWL_MODULE_PM_RECEIVER,
+                VREG_VOLTAGE_SMPS_4030);
+        return vsel * 12500 + 600000;
+}
+static struct regulator_ops twl4030smps_ops = {
+        .set_voltage    = twl4030smps_set_voltage,
+        .get_voltage    = twl4030smps_get_voltage,
+};
 static int twl6030ldo_list_voltage(struct regulator_dev *rdev, unsigned index)
 {
        struct twlreg_info      *info = rdev_get_drvdata(rdev);
@@ -856,6 +883,21 @@ static struct regulator_ops twlsmps_ops = {
                }, \
        }
+#define TWL4030_ADJUSTABLE_SMPS(label, offset, num, turnon_delay, remap_conf) \
+        { \
+        .base = offset, \
+        .id = num, \
+        .delay = turnon_delay, \
+        .remap = remap_conf, \
+        .desc = { \
+                .name = #label, \
+                .id = TWL4030_REG_##label, \
+                .ops = &twl4030smps_ops, \
+                .type = REGULATOR_VOLTAGE, \
+                .owner = THIS_MODULE, \
+                }, \
+        }
 #define TWL6030_ADJUSTABLE_LDO(label, offset, min_mVolts, max_mVolts) { \
        .base = offset, \
        .min_mV = min_mVolts, \
@@ -947,8 +989,8 @@ static struct twlreg_info twl_regs[] = {
        TWL4030_ADJUSTABLE_LDO(VINTANA2, 0x43, 12, 100, 0x08),
        TWL4030_FIXED_LDO(VINTDIG, 0x47, 1500, 13, 100, 0x08),
        TWL4030_ADJUSTABLE_LDO(VIO, 0x4b, 14, 1000, 0x08),
-        TWL4030_ADJUSTABLE_LDO(VDD1, 0x55, 15, 1000, 0x08),
+        TWL4030_ADJUSTABLE_SMPS(VDD1, 0x55, 15, 1000, 0x08),
-        TWL4030_ADJUSTABLE_LDO(VDD2, 0x63, 16, 1000, 0x08),
+        TWL4030_ADJUSTABLE_SMPS(VDD2, 0x63, 16, 1000, 0x08),
        TWL4030_FIXED_LDO(VUSB1V5, 0x71, 1500, 17, 100, 0x08),
        TWL4030_FIXED_LDO(VUSB1V8, 0x74, 1800, 18, 100, 0x08),
        TWL4030_FIXED_LDO(VUSB3V1, 0x77, 3100, 19, 150, 0x08),
diff --git a/drivers/rtc/class.c b/drivers/rtc/class.c
index e8326f26fa2f..dc4c2748bbc3 100644
--- a/drivers/rtc/class.c
+++ b/drivers/rtc/class.c
@@ -63,7 +63,7 @@ static int rtc_suspend(struct device *dev, pm_message_t mesg)
         */
        delta = timespec_sub(old_system, old_rtc);
        delta_delta = timespec_sub(delta, old_delta);
-        if (abs(delta_delta.tv_sec)  >= 2) {
+        if (delta_delta.tv_sec < -2 || delta_delta.tv_sec >= 2) {
                /*
                 * if delta_delta is too large, assume time correction
                 * has occured and set old_delta to the current delta.
@@ -97,9 +97,8 @@ static int rtc_resume(struct device *dev)
        rtc_tm_to_time(&tm, &new_rtc.tv_sec);
        new_rtc.tv_nsec = 0;
-        if (new_rtc.tv_sec <= old_rtc.tv_sec) {
+        if (new_rtc.tv_sec < old_rtc.tv_sec) {
-                if (new_rtc.tv_sec < old_rtc.tv_sec)
+                pr_debug("%s:  time travel!\n", dev_name(&rtc->dev));
-                        pr_debug("%s:  time travel!\n", dev_name(&rtc->dev));
                return 0;
        }
@@ -116,7 +115,8 @@ static int rtc_resume(struct device *dev)
        sleep_time = timespec_sub(sleep_time,
                        timespec_sub(new_system, old_system));
-        timekeeping_inject_sleeptime(&sleep_time);
+        if (sleep_time.tv_sec >= 0)
+                timekeeping_inject_sleeptime(&sleep_time);
        return 0;
 }
diff --git a/drivers/rtc/interface.c b/drivers/rtc/interface.c
index 8e286259a007..fa4d9f324189 100644
--- a/drivers/rtc/interface.c
+++ b/drivers/rtc/interface.c
@@ -319,6 +319,20 @@ int rtc_read_alarm(struct rtc_device *rtc, struct rtc_wkalrm *alarm)
 }
 EXPORT_SYMBOL_GPL(rtc_read_alarm);
+static int ___rtc_set_alarm(struct rtc_device *rtc, struct rtc_wkalrm *alarm)
+{
+        int err;
+        if (!rtc->ops)
+                err = -ENODEV;
+        else if (!rtc->ops->set_alarm)
+                err = -EINVAL;
+        else
+                err = rtc->ops->set_alarm(rtc->dev.parent, alarm);
+        return err;
+}
 static int __rtc_set_alarm(struct rtc_device *rtc, struct rtc_wkalrm *alarm)
 {
        struct rtc_time tm;
@@ -342,14 +356,7 @@ static int __rtc_set_alarm(struct rtc_device *rtc, struct rtc_wkalrm *alarm)
         * over right here, before we set the alarm.
         */
-        if (!rtc->ops)
+        return ___rtc_set_alarm(rtc, alarm);
-                err = -ENODEV;
-        else if (!rtc->ops->set_alarm)
-                err = -EINVAL;
-        else
-                err = rtc->ops->set_alarm(rtc->dev.parent, alarm);
-        return err;
 }
 int rtc_set_alarm(struct rtc_device *rtc, struct rtc_wkalrm *alarm)
@@ -763,6 +770,20 @@ static int rtc_timer_enqueue(struct rtc_device *rtc, struct rtc_timer *timer)
        return 0;
 }
+static void rtc_alarm_disable(struct rtc_device *rtc)
+{
+        struct rtc_wkalrm alarm;
+        struct rtc_time tm;
+        __rtc_read_time(rtc, &tm);
+        alarm.time = rtc_ktime_to_tm(ktime_add(rtc_tm_to_ktime(tm),
+                                     ktime_set(300, 0)));
+        alarm.enabled = 0;
+        ___rtc_set_alarm(rtc, &alarm);
+}
 /**
 * rtc_timer_remove - Removes a rtc_timer from the rtc_device timerqueue
 * @rtc rtc device
@@ -784,8 +805,10 @@ static void rtc_timer_remove(struct rtc_device *rtc, struct rtc_timer *timer)
                struct rtc_wkalrm alarm;
                int err;
                next = timerqueue_getnext(&rtc->timerqueue);
-                if (!next)
+                if (!next) {
+                        rtc_alarm_disable(rtc);
                        return;
+                }
                alarm.time = rtc_ktime_to_tm(next->expires);
                alarm.enabled = 1;
                err = __rtc_set_alarm(rtc, &alarm);
@@ -847,7 +870,8 @@ again:
                err = __rtc_set_alarm(rtc, &alarm);
                if (err == -ETIME)
                        goto again;
-        }
+        } else
+                rtc_alarm_disable(rtc);
        mutex_unlock(&rtc->ops_lock);
 }
diff --git a/drivers/rtc/rtc-mrst.c b/drivers/rtc/rtc-mrst.c
index d33544802a2e..bb21f443fb70 100644
--- a/drivers/rtc/rtc-mrst.c
+++ b/drivers/rtc/rtc-mrst.c
@@ -76,12 +76,15 @@ static inline unsigned char vrtc_is_updating(void)
 /*
 * rtc_time's year contains the increment over 1900, but vRTC's YEAR
 * register can't be programmed to value larger than 0x64, so vRTC
- * driver chose to use 1960 (1970 is UNIX time start point) as the base,
+ * driver chose to use 1972 (1970 is UNIX time start point) as the base,
 * and does the translation at read/write time.
 *
- * Why not just use 1970 as the offset? it's because using 1960 will
+ * Why not just use 1970 as the offset? it's because using 1972 will
 * make it consistent in leap year setting for both vrtc and low-level
- * physical rtc devices.
+ * physical rtc devices. Then why not use 1960 as the offset? If we use
+ * 1960, for a device's first use, its YEAR register is 0 and the system
+ * year will be parsed as 1960 which is not a valid UNIX time and will
+ * cause many applications to fail mysteriously.
 */
 static int mrst_read_time(struct device *dev, struct rtc_time *time)
 {
@@ -99,10 +102,10 @@ static int mrst_read_time(struct device *dev, struct rtc_time *time)
        time->tm_year = vrtc_cmos_read(RTC_YEAR);
        spin_unlock_irqrestore(&rtc_lock, flags);
-        /* Adjust for the 1960/1900 */
+        /* Adjust for the 1972/1900 */
-        time->tm_year += 60;
+        time->tm_year += 72;
        time->tm_mon--;
-        return RTC_24H;
+        return rtc_valid_tm(time);
 }
 static int mrst_set_time(struct device *dev, struct rtc_time *time)
@@ -119,9 +122,9 @@ static int mrst_set_time(struct device *dev, struct rtc_time *time)
        min = time->tm_min;
        sec = time->tm_sec;
-        if (yrs < 70 || yrs > 138)
+        if (yrs < 72 || yrs > 138)
                return -EINVAL;
-        yrs -= 60;
+        yrs -= 72;
        spin_lock_irqsave(&rtc_lock, flags);
diff --git a/drivers/rtc/rtc-puv3.c b/drivers/rtc/rtc-puv3.c
index b3eba3cddd42..e4b6880aabd0 100644
--- a/drivers/rtc/rtc-puv3.c
+++ b/drivers/rtc/rtc-puv3.c
@@ -220,7 +220,7 @@ static void puv3_rtc_enable(struct platform_device *pdev, int en)
        }
 }
-static int puv3_rtc_remove(struct platform_device *dev)
+static int __devexit puv3_rtc_remove(struct platform_device *dev)
 {
        struct rtc_device *rtc = platform_get_drvdata(dev);
@@ -236,7 +236,7 @@ static int puv3_rtc_remove(struct platform_device *dev)
        return 0;
 }
-static int puv3_rtc_probe(struct platform_device *pdev)
+static int __devinit puv3_rtc_probe(struct platform_device *pdev)
 {
        struct rtc_device *rtc;
        struct resource *res;
diff --git a/drivers/rtc/rtc-s3c.c b/drivers/rtc/rtc-s3c.c
index 7639ab906f02..5b979d9cc332 100644
--- a/drivers/rtc/rtc-s3c.c
+++ b/drivers/rtc/rtc-s3c.c
@@ -202,7 +202,6 @@ static int s3c_rtc_settime(struct device *dev, struct rtc_time *tm)
        void __iomem *base = s3c_rtc_base;
        int year = tm->tm_year - 100;
-        clk_enable(rtc_clk);
        pr_debug("set time %04d.%02d.%02d %02d:%02d:%02d\n",
                 1900 + tm->tm_year, tm->tm_mon, tm->tm_mday,
                 tm->tm_hour, tm->tm_min, tm->tm_sec);
@@ -214,6 +213,7 @@ static int s3c_rtc_settime(struct device *dev, struct rtc_time *tm)
                return -EINVAL;
        }
+        clk_enable(rtc_clk);
        writeb(bin2bcd(tm->tm_sec),  base + S3C2410_RTCSEC);
        writeb(bin2bcd(tm->tm_min),  base + S3C2410_RTCMIN);
        writeb(bin2bcd(tm->tm_hour), base + S3C2410_RTCHOUR);
diff --git a/drivers/s390/char/zcore.c b/drivers/s390/char/zcore.c
index 43068fbd0baa..1b6d9247fdc7 100644
--- a/drivers/s390/char/zcore.c
+++ b/drivers/s390/char/zcore.c
@@ -641,6 +641,8 @@ static int __init zcore_init(void)
        if (ipl_info.type != IPL_TYPE_FCP_DUMP)
                return -ENODATA;
+        if (OLDMEM_BASE)
+                return -ENODATA;
        zcore_dbf = debug_register("zcore", 4, 1, 4 * sizeof(long));
        debug_register_view(zcore_dbf, &debug_sprintf_view);
diff --git a/drivers/s390/cio/chsc.c b/drivers/s390/cio/chsc.c
index 75c3f1f8fd43..a84631a7391d 100644
--- a/drivers/s390/cio/chsc.c
+++ b/drivers/s390/cio/chsc.c
@@ -529,10 +529,7 @@ __s390_vary_chpid_on(struct subchannel_id schid, void *data)
 int chsc_chp_vary(struct chp_id chpid, int on)
 {
        struct channel_path *chp = chpid_to_chp(chpid);
-        struct chp_link link;
-        memset(&link, 0, sizeof(struct chp_link));
-        link.chpid = chpid;
        /* Wait until previous actions have settled. */
        css_wait_for_slow_path();
        /*
@@ -542,10 +539,10 @@ int chsc_chp_vary(struct chp_id chpid, int on)
                /* Try to update the channel path descritor. */
                chsc_determine_base_channel_path_desc(chpid, &chp->desc);
                for_each_subchannel_staged(s390_subchannel_vary_chpid_on,
-                                           __s390_vary_chpid_on, &link);
+                                           __s390_vary_chpid_on, &chpid);
        } else
                for_each_subchannel_staged(s390_subchannel_vary_chpid_off,
-                                           NULL, &link);
+                                           NULL, &chpid);
        return 0;
 }
diff --git a/drivers/s390/cio/cio.h b/drivers/s390/cio/cio.h
index 155a82bcb9e5..4a1ff5c2eb88 100644
--- a/drivers/s390/cio/cio.h
+++ b/drivers/s390/cio/cio.h
@@ -68,8 +68,13 @@ struct schib {
        __u8 mda[4];             /* model dependent area */
 } __attribute__ ((packed,aligned(4)));
+/*
+ * When rescheduled, todo's with higher values will overwrite those
+ * with lower values.
+ */
 enum sch_todo {
        SCH_TODO_NOTHING,
+        SCH_TODO_EVAL,
        SCH_TODO_UNREG,
 };
diff --git a/drivers/s390/cio/css.c b/drivers/s390/cio/css.c
index 92d7324acb1c..21908e67bf67 100644
--- a/drivers/s390/cio/css.c
+++ b/drivers/s390/cio/css.c
@@ -195,51 +195,6 @@ void css_sch_device_unregister(struct subchannel *sch)
 }
 EXPORT_SYMBOL_GPL(css_sch_device_unregister);
-static void css_sch_todo(struct work_struct *work)
-{
-        struct subchannel *sch;
-        enum sch_todo todo;
-        sch = container_of(work, struct subchannel, todo_work);
-        /* Find out todo. */
-        spin_lock_irq(sch->lock);
-        todo = sch->todo;
-        CIO_MSG_EVENT(4, "sch_todo: sch=0.%x.%04x, todo=%d\n", sch->schid.ssid,
-                      sch->schid.sch_no, todo);
-        sch->todo = SCH_TODO_NOTHING;
-        spin_unlock_irq(sch->lock);
-        /* Perform todo. */
-        if (todo == SCH_TODO_UNREG)
-                css_sch_device_unregister(sch);
-        /* Release workqueue ref. */
-        put_device(&sch->dev);
-}
-/**
- * css_sched_sch_todo - schedule a subchannel operation
- * @sch: subchannel
- * @todo: todo
- *
- * Schedule the operation identified by @todo to be performed on the slow path
- * workqueue. Do nothing if another operation with higher priority is already
- * scheduled. Needs to be called with subchannel lock held.
- */
-void css_sched_sch_todo(struct subchannel *sch, enum sch_todo todo)
-{
-        CIO_MSG_EVENT(4, "sch_todo: sched sch=0.%x.%04x todo=%d\n",
-                      sch->schid.ssid, sch->schid.sch_no, todo);
-        if (sch->todo >= todo)
-                return;
-        /* Get workqueue ref. */
-        if (!get_device(&sch->dev))
-                return;
-        sch->todo = todo;
-        if (!queue_work(cio_work_q, &sch->todo_work)) {
-                /* Already queued, release workqueue ref. */
-                put_device(&sch->dev);
-        }
-}
 static void ssd_from_pmcw(struct chsc_ssd_info *ssd, struct pmcw *pmcw)
 {
        int i;
@@ -466,6 +421,65 @@ static void css_evaluate_subchannel(struct subchannel_id schid, int slow)
                css_schedule_eval(schid);
 }
+/**
+ * css_sched_sch_todo - schedule a subchannel operation
+ * @sch: subchannel
+ * @todo: todo
+ *
+ * Schedule the operation identified by @todo to be performed on the slow path
+ * workqueue. Do nothing if another operation with higher priority is already
+ * scheduled. Needs to be called with subchannel lock held.
+ */
+void css_sched_sch_todo(struct subchannel *sch, enum sch_todo todo)
+{
+        CIO_MSG_EVENT(4, "sch_todo: sched sch=0.%x.%04x todo=%d\n",
+                      sch->schid.ssid, sch->schid.sch_no, todo);
+        if (sch->todo >= todo)
+                return;
+        /* Get workqueue ref. */
+        if (!get_device(&sch->dev))
+                return;
+        sch->todo = todo;
+        if (!queue_work(cio_work_q, &sch->todo_work)) {
+                /* Already queued, release workqueue ref. */
+                put_device(&sch->dev);
+        }
+}
+static void css_sch_todo(struct work_struct *work)
+{
+        struct subchannel *sch;
+        enum sch_todo todo;
+        int ret;
+        sch = container_of(work, struct subchannel, todo_work);
+        /* Find out todo. */
+        spin_lock_irq(sch->lock);
+        todo = sch->todo;
+        CIO_MSG_EVENT(4, "sch_todo: sch=0.%x.%04x, todo=%d\n", sch->schid.ssid,
+                      sch->schid.sch_no, todo);
+        sch->todo = SCH_TODO_NOTHING;
+        spin_unlock_irq(sch->lock);
+        /* Perform todo. */
+        switch (todo) {
+        case SCH_TODO_NOTHING:
+                break;
+        case SCH_TODO_EVAL:
+                ret = css_evaluate_known_subchannel(sch, 1);
+                if (ret == -EAGAIN) {
+                        spin_lock_irq(sch->lock);
+                        css_sched_sch_todo(sch, todo);
+                        spin_unlock_irq(sch->lock);
+                }
+                break;
+        case SCH_TODO_UNREG:
+                css_sch_device_unregister(sch);
+                break;
+        }
+        /* Release workqueue ref. */
+        put_device(&sch->dev);
+}
 static struct idset *slow_subchannel_set;
 static spinlock_t slow_subchannel_lock;
 static wait_queue_head_t css_eval_wq;
diff --git a/drivers/s390/cio/device.c b/drivers/s390/cio/device.c
index d734f4a0ecac..47269858ecb6 100644
--- a/drivers/s390/cio/device.c
+++ b/drivers/s390/cio/device.c
@@ -1868,9 +1868,9 @@ static void __ccw_device_pm_restore(struct ccw_device *cdev)
         */
        cdev->private->flags.resuming = 1;
        cdev->private->path_new_mask = LPM_ANYPATH;
-        css_schedule_eval(sch->schid);
+        css_sched_sch_todo(sch, SCH_TODO_EVAL);
        spin_unlock_irq(sch->lock);
-        css_complete_work();
+        css_wait_for_slow_path();
        /* cdev may have been moved to a different subchannel. */
        sch = to_subchannel(cdev->dev.parent);
diff --git a/drivers/s390/cio/device_fsm.c b/drivers/s390/cio/device_fsm.c
index 52c233fa2b12..1b853513c891 100644
--- a/drivers/s390/cio/device_fsm.c
+++ b/drivers/s390/cio/device_fsm.c
@@ -496,8 +496,26 @@ static void ccw_device_reset_path_events(struct ccw_device *cdev)
        cdev->private->pgid_reset_mask = 0;
 }
-void
+static void create_fake_irb(struct irb *irb, int type)
-ccw_device_verify_done(struct ccw_device *cdev, int err)
+{
+        memset(irb, 0, sizeof(*irb));
+        if (type == FAKE_CMD_IRB) {
+                struct cmd_scsw *scsw = &irb->scsw.cmd;
+                scsw->cc = 1;
+                scsw->fctl = SCSW_FCTL_START_FUNC;
+                scsw->actl = SCSW_ACTL_START_PEND;
+                scsw->stctl = SCSW_STCTL_STATUS_PEND;
+        } else if (type == FAKE_TM_IRB) {
+                struct tm_scsw *scsw = &irb->scsw.tm;
+                scsw->x = 1;
+                scsw->cc = 1;
+                scsw->fctl = SCSW_FCTL_START_FUNC;
+                scsw->actl = SCSW_ACTL_START_PEND;
+                scsw->stctl = SCSW_STCTL_STATUS_PEND;
+        }
+}
+void ccw_device_verify_done(struct ccw_device *cdev, int err)
 {
        struct subchannel *sch;
@@ -520,12 +538,8 @@ callback:
                ccw_device_done(cdev, DEV_STATE_ONLINE);
                /* Deliver fake irb to device driver, if needed. */
                if (cdev->private->flags.fake_irb) {
-                        memset(&cdev->private->irb, 0, sizeof(struct irb));
+                        create_fake_irb(&cdev->private->irb,
-                        cdev->private->irb.scsw.cmd.cc = 1;
+                                        cdev->private->flags.fake_irb);
-                        cdev->private->irb.scsw.cmd.fctl = SCSW_FCTL_START_FUNC;
-                        cdev->private->irb.scsw.cmd.actl = SCSW_ACTL_START_PEND;
-                        cdev->private->irb.scsw.cmd.stctl =
-                                SCSW_STCTL_STATUS_PEND;
                        cdev->private->flags.fake_irb = 0;
                        if (cdev->handler)
                                cdev->handler(cdev, cdev->private->intparm,
diff --git a/drivers/s390/cio/device_ops.c b/drivers/s390/cio/device_ops.c
index f98698d5735e..ec7fb6d3b479 100644
--- a/drivers/s390/cio/device_ops.c
+++ b/drivers/s390/cio/device_ops.c
@@ -198,7 +198,7 @@ int ccw_device_start_key(struct ccw_device *cdev, struct ccw1 *cpa,
        if (cdev->private->state == DEV_STATE_VERIFY) {
                /* Remember to fake irb when finished. */
                if (!cdev->private->flags.fake_irb) {
-                        cdev->private->flags.fake_irb = 1;
+                        cdev->private->flags.fake_irb = FAKE_CMD_IRB;
                        cdev->private->intparm = intparm;
                        return 0;
                } else
@@ -213,9 +213,9 @@ int ccw_device_start_key(struct ccw_device *cdev, struct ccw1 *cpa,
        ret = cio_set_options (sch, flags);
        if (ret)
                return ret;
-        /* Adjust requested path mask to excluded varied off paths. */
+        /* Adjust requested path mask to exclude unusable paths. */
        if (lpm) {
-                lpm &= sch->opm;
+                lpm &= sch->lpm;
                if (lpm == 0)
                        return -EACCES;
        }
@@ -605,11 +605,21 @@ int ccw_device_tm_start_key(struct ccw_device *cdev, struct tcw *tcw,
        sch = to_subchannel(cdev->dev.parent);
        if (!sch->schib.pmcw.ena)
                return -EINVAL;
+        if (cdev->private->state == DEV_STATE_VERIFY) {
+                /* Remember to fake irb when finished. */
+                if (!cdev->private->flags.fake_irb) {
+                        cdev->private->flags.fake_irb = FAKE_TM_IRB;
+                        cdev->private->intparm = intparm;
+                        return 0;
+                } else
+                        /* There's already a fake I/O around. */
+                        return -EBUSY;
+        }
        if (cdev->private->state != DEV_STATE_ONLINE)
                return -EIO;
-        /* Adjust requested path mask to excluded varied off paths. */
+        /* Adjust requested path mask to exclude unusable paths. */
        if (lpm) {
-                lpm &= sch->opm;
+                lpm &= sch->lpm;
                if (lpm == 0)
                        return -EACCES;
        }
diff --git a/drivers/s390/cio/io_sch.h b/drivers/s390/cio/io_sch.h
index 2ebb492a5c17..76253dfcc1be 100644
--- a/drivers/s390/cio/io_sch.h
+++ b/drivers/s390/cio/io_sch.h
@@ -111,6 +111,9 @@ enum cdev_todo {
        CDEV_TODO_UNREG_EVAL,
 };
+#define FAKE_CMD_IRB    1
+#define FAKE_TM_IRB     2
 struct ccw_device_private {
        struct ccw_device *cdev;
        struct subchannel *sch;
@@ -138,7 +141,7 @@ struct ccw_device_private {
                unsigned int doverify:1;    /* delayed path verification */
                unsigned int donotify:1;    /* call notify function */
                unsigned int recog_done:1;  /* dev. recog. complete */
-                unsigned int fake_irb:1;    /* deliver faked irb */
+                unsigned int fake_irb:2;    /* deliver faked irb */
                unsigned int resuming:1;    /* recognition while resume */
                unsigned int pgroup:1;      /* pathgroup is set up */
                unsigned int mpath:1;       /* multipathing is set up */
diff --git a/drivers/s390/crypto/ap_bus.c b/drivers/s390/crypto/ap_bus.c
index b77ae519d79c..96bbe9d12a79 100644
--- a/drivers/s390/crypto/ap_bus.c
+++ b/drivers/s390/crypto/ap_bus.c
@@ -1271,18 +1271,16 @@ ap_config_timeout(unsigned long ptr)
 }
 /**
- * ap_schedule_poll_timer(): Schedule poll timer.
+ * __ap_schedule_poll_timer(): Schedule poll timer.
 *
 * Set up the timer to run the poll tasklet
 */
-static inline void ap_schedule_poll_timer(void)
+static inline void __ap_schedule_poll_timer(void)
 {
        ktime_t hr_time;
        spin_lock_bh(&ap_poll_timer_lock);
-        if (ap_using_interrupts() || ap_suspend_flag)
+        if (hrtimer_is_queued(&ap_poll_timer) || ap_suspend_flag)
-                goto out;
-        if (hrtimer_is_queued(&ap_poll_timer))
                goto out;
        if (ktime_to_ns(hrtimer_expires_remaining(&ap_poll_timer)) <= 0) {
                hr_time = ktime_set(0, poll_timeout);
@@ -1294,6 +1292,18 @@ out:
 }
 /**
+ * ap_schedule_poll_timer(): Schedule poll timer.
+ *
+ * Set up the timer to run the poll tasklet
+ */
+static inline void ap_schedule_poll_timer(void)
+{
+        if (ap_using_interrupts())
+                return;
+        __ap_schedule_poll_timer();
+}
+/**
 * ap_poll_read(): Receive pending reply messages from an AP device.
 * @ap_dev: pointer to the AP device
 * @flags: pointer to control flags, bit 2^0 is set if another poll is
@@ -1374,8 +1384,9 @@ static int ap_poll_write(struct ap_device *ap_dev, unsigned long *flags)
                        *flags |= 1;
                *flags |= 2;
                break;
-        case AP_RESPONSE_Q_FULL:
        case AP_RESPONSE_RESET_IN_PROGRESS:
+                __ap_schedule_poll_timer();
+        case AP_RESPONSE_Q_FULL:
                *flags |= 2;
                break;
        case AP_RESPONSE_MESSAGE_TOO_BIG:
@@ -1541,6 +1552,8 @@ static void ap_reset(struct ap_device *ap_dev)
        rc = ap_init_queue(ap_dev->qid);
        if (rc == -ENODEV)
                ap_dev->unregistered = 1;
+        else
+                __ap_schedule_poll_timer();
 }
 static int __ap_poll_device(struct ap_device *ap_dev, unsigned long *flags)
diff --git a/drivers/s390/net/Kconfig b/drivers/s390/net/Kconfig
index fa80ba1f0344..9b66d2d1809b 100644
--- a/drivers/s390/net/Kconfig
+++ b/drivers/s390/net/Kconfig
@@ -4,7 +4,7 @@ menu "S/390 network device drivers"
 config LCS
        def_tristate m
        prompt "Lan Channel Station Interface"
-        depends on CCW && NETDEVICES && (NET_ETHERNET || TR || FDDI)
+        depends on CCW && NETDEVICES && (ETHERNET || TR || FDDI)
        help
           Select this option if you want to use LCS networking on IBM System z.
           This device driver supports Token Ring (IEEE 802.5),
diff --git a/drivers/s390/net/lcs.c b/drivers/s390/net/lcs.c
index c28713da1ec5..863fc2197155 100644
--- a/drivers/s390/net/lcs.c
+++ b/drivers/s390/net/lcs.c
@@ -50,7 +50,7 @@
 #include "lcs.h"
-#if !defined(CONFIG_NET_ETHERNET) && \
+#if !defined(CONFIG_ETHERNET) && \
    !defined(CONFIG_TR) && !defined(CONFIG_FDDI)
 #error Cannot compile lcs.c without some net devices switched on.
 #endif
@@ -1634,7 +1634,7 @@ lcs_startlan_auto(struct lcs_card *card)
        int rc;
        LCS_DBF_TEXT(2, trace, "strtauto");
-#ifdef CONFIG_NET_ETHERNET
+#ifdef CONFIG_ETHERNET
        card->lan_type = LCS_FRAME_TYPE_ENET;
        rc = lcs_send_startlan(card, LCS_INITIATOR_TCPIP);
        if (rc == 0)
@@ -2166,7 +2166,7 @@ lcs_new_device(struct ccwgroup_device *ccwgdev)
                goto netdev_out;
        }
        switch (card->lan_type) {
-#ifdef CONFIG_NET_ETHERNET
+#ifdef CONFIG_ETHERNET
        case LCS_FRAME_TYPE_ENET:
                card->lan_type_trans = eth_type_trans;
                dev = alloc_etherdev(0);
diff --git a/drivers/s390/net/netiucv.c b/drivers/s390/net/netiucv.c
index 3251333a23df..b6a6356d09b3 100644
--- a/drivers/s390/net/netiucv.c
+++ b/drivers/s390/net/netiucv.c
@@ -1994,6 +1994,8 @@ static struct net_device *netiucv_init_netdevice(char *username)
                           netiucv_setup_netdevice);
        if (!dev)
                return NULL;
+        if (dev_alloc_name(dev, dev->name) < 0)
+                goto out_netdev;
        privptr = netdev_priv(dev);
        privptr->fsm = init_fsm("netiucvdev", dev_state_names,
diff --git a/drivers/s390/net/qeth_core.h b/drivers/s390/net/qeth_core.h
index b77c65ed1381..4abc79d3963f 100644
--- a/drivers/s390/net/qeth_core.h
+++ b/drivers/s390/net/qeth_core.h
@@ -236,8 +236,7 @@ static inline int qeth_is_ipa_enabled(struct qeth_ipa_info *ipa,
 #define QETH_IN_BUF_COUNT_MAX 128
 #define QETH_MAX_BUFFER_ELEMENTS(card) ((card)->qdio.in_buf_size >> 12)
 #define QETH_IN_BUF_REQUEUE_THRESHOLD(card) \
-                ((card)->ssqd.qdioac1 & AC1_SIGA_INPUT_NEEDED ? 1 : \
+                 ((card)->qdio.in_buf_pool.buf_count / 2)
-                 ((card)->qdio.in_buf_pool.buf_count / 2))
 /* buffers we have to be behind before we get a PCI */
 #define QETH_PCI_THRESHOLD_A(card) ((card)->qdio.in_buf_pool.buf_count+1)
diff --git a/drivers/s390/net/qeth_core_main.c b/drivers/s390/net/qeth_core_main.c
index 81534437373a..fff57de78943 100644
--- a/drivers/s390/net/qeth_core_main.c
+++ b/drivers/s390/net/qeth_core_main.c
@@ -881,7 +881,6 @@ EXPORT_SYMBOL_GPL(qeth_do_run_thread);
 void qeth_schedule_recovery(struct qeth_card *card)
 {
        QETH_CARD_TEXT(card, 2, "startrec");
-        WARN_ON(1);
        if (qeth_set_thread_start_bit(card, QETH_RECOVER_THREAD) == 0)
                schedule_work(&card->kernel_thread_starter);
 }
diff --git a/drivers/s390/net/qeth_l3_main.c b/drivers/s390/net/qeth_l3_main.c
index e4c1176ee25b..4d5307ddbe55 100644
--- a/drivers/s390/net/qeth_l3_main.c
+++ b/drivers/s390/net/qeth_l3_main.c
@@ -2756,11 +2756,13 @@ int inline qeth_l3_get_cast_type(struct qeth_card *card, struct sk_buff *skb)
        struct neighbour *n = NULL;
        struct dst_entry *dst;
+        rcu_read_lock();
        dst = skb_dst(skb);
        if (dst)
                n = dst_get_neighbour(dst);
        if (n) {
                cast_type = n->type;
+                rcu_read_unlock();
                if ((cast_type == RTN_BROADCAST) ||
                    (cast_type == RTN_MULTICAST) ||
                    (cast_type == RTN_ANYCAST))
@@ -2768,6 +2770,8 @@ int inline qeth_l3_get_cast_type(struct qeth_card *card, struct sk_buff *skb)
                else
                        return RTN_UNSPEC;
        }
+        rcu_read_unlock();
        /* try something else */
        if (skb->protocol == ETH_P_IPV6)
                return (skb_network_header(skb)[24] == 0xff) ?
@@ -2847,6 +2851,8 @@ static void qeth_l3_fill_header(struct qeth_card *card, struct qeth_hdr *hdr,
        }
        hdr->hdr.l3.length = skb->len - sizeof(struct qeth_hdr);
+        rcu_read_lock();
        dst = skb_dst(skb);
        if (dst)
                n = dst_get_neighbour(dst);
@@ -2893,6 +2899,7 @@ static void qeth_l3_fill_header(struct qeth_card *card, struct qeth_hdr *hdr,
                                QETH_CAST_UNICAST | QETH_HDR_PASSTHRU;
                }
        }
+        rcu_read_unlock();
 }
 static inline void qeth_l3_hdr_csum(struct qeth_card *card,
diff --git a/drivers/s390/net/qeth_l3_sys.c b/drivers/s390/net/qeth_l3_sys.c
index 0ea2fbfe0e99..d979bb26522f 100644
--- a/drivers/s390/net/qeth_l3_sys.c
+++ b/drivers/s390/net/qeth_l3_sys.c
@@ -335,10 +335,10 @@ static ssize_t qeth_l3_dev_sniffer_store(struct device *dev,
                                        QETH_IN_BUF_COUNT_MAX)
                                qeth_realloc_buffer_pool(card,
                                        QETH_IN_BUF_COUNT_MAX);
-                        break;
                } else
                        rc = -EPERM;
-        default:   /* fall through */
+                break;
+        default:
                rc = -EINVAL;
        }
 out:
diff --git a/drivers/sbus/char/bbc_i2c.c b/drivers/sbus/char/bbc_i2c.c
index 5f94d22c491e..542668292900 100644
--- a/drivers/sbus/char/bbc_i2c.c
+++ b/drivers/sbus/char/bbc_i2c.c
@@ -233,13 +233,9 @@ int bbc_i2c_write_buf(struct bbc_i2c_client *client,
        int ret = 0;
        while (len > 0) {
-                int err = bbc_i2c_writeb(client, *buf, off);
+                ret = bbc_i2c_writeb(client, *buf, off);
+                if (ret < 0)
-                if (err < 0) {
-                        ret = err;
                        break;
-                }
                len--;
                buf++;
                off++;
@@ -253,11 +249,9 @@ int bbc_i2c_read_buf(struct bbc_i2c_client *client,
        int ret = 0;
        while (len > 0) {
-                int err = bbc_i2c_readb(client, buf, off);
+                ret = bbc_i2c_readb(client, buf, off);
-                if (err < 0) {
+                if (ret < 0)
-                        ret = err;
                        break;
-                }
                len--;
                buf++;
                off++;
@@ -422,17 +416,6 @@ static struct platform_driver bbc_i2c_driver = {
        .remove         = __devexit_p(bbc_i2c_remove),
 };
-static int __init bbc_i2c_init(void)
+module_platform_driver(bbc_i2c_driver);
-{
-        return platform_driver_register(&bbc_i2c_driver);
-}
-static void __exit bbc_i2c_exit(void)
-{
-        platform_driver_unregister(&bbc_i2c_driver);
-}
-module_init(bbc_i2c_init);
-module_exit(bbc_i2c_exit);
 MODULE_LICENSE("GPL");
diff --git a/drivers/sbus/char/display7seg.c b/drivers/sbus/char/display7seg.c
index 965a1fccd66a..4b9939726c34 100644
--- a/drivers/sbus/char/display7seg.c
+++ b/drivers/sbus/char/display7seg.c
@@ -275,15 +275,4 @@ static struct platform_driver d7s_driver = {
        .remove         = __devexit_p(d7s_remove),
 };
-static int __init d7s_init(void)
+module_platform_driver(d7s_driver);
-{
-        return platform_driver_register(&d7s_driver);
-}
-static void __exit d7s_exit(void)
-{
-        platform_driver_unregister(&d7s_driver);
-}
-module_init(d7s_init);
-module_exit(d7s_exit);
diff --git a/drivers/sbus/char/envctrl.c b/drivers/sbus/char/envctrl.c
index be7b4e56154f..339fd6f65eda 100644
--- a/drivers/sbus/char/envctrl.c
+++ b/drivers/sbus/char/envctrl.c
@@ -1138,16 +1138,6 @@ static struct platform_driver envctrl_driver = {
        .remove         = __devexit_p(envctrl_remove),
 };
-static int __init envctrl_init(void)
+module_platform_driver(envctrl_driver);
-{
-        return platform_driver_register(&envctrl_driver);
-}
-static void __exit envctrl_exit(void)
-{
-        platform_driver_unregister(&envctrl_driver);
-}
-module_init(envctrl_init);
-module_exit(envctrl_exit);
 MODULE_LICENSE("GPL");
diff --git a/drivers/sbus/char/flash.c b/drivers/sbus/char/flash.c
index 73dd4e7afaaa..826157f38694 100644
--- a/drivers/sbus/char/flash.c
+++ b/drivers/sbus/char/flash.c
@@ -216,16 +216,6 @@ static struct platform_driver flash_driver = {
        .remove         = __devexit_p(flash_remove),
 };
-static int __init flash_init(void)
+module_platform_driver(flash_driver);
-{
-        return platform_driver_register(&flash_driver);
-}
-static void __exit flash_cleanup(void)
-{
-        platform_driver_unregister(&flash_driver);
-}
-module_init(flash_init);
-module_exit(flash_cleanup);
 MODULE_LICENSE("GPL");
diff --git a/drivers/sbus/char/uctrl.c b/drivers/sbus/char/uctrl.c
index ebce9639a26a..0b31658ccde5 100644
--- a/drivers/sbus/char/uctrl.c
+++ b/drivers/sbus/char/uctrl.c
@@ -435,16 +435,6 @@ static struct platform_driver uctrl_driver = {
 };
-static int __init uctrl_init(void)
+module_platform_driver(uctrl_driver);
-{
-        return platform_driver_register(&uctrl_driver);
-}
-static void __exit uctrl_exit(void)
-{
-        platform_driver_unregister(&uctrl_driver);
-}
-module_init(uctrl_init);
-module_exit(uctrl_exit);
 MODULE_LICENSE("GPL");
diff --git a/drivers/scsi/aacraid/linit.c b/drivers/scsi/aacraid/linit.c
index 4aa76d6f11df..705e13e470af 100644
--- a/drivers/scsi/aacraid/linit.c
+++ b/drivers/scsi/aacraid/linit.c
@@ -38,6 +38,7 @@
 #include <linux/module.h>
 #include <linux/moduleparam.h>
 #include <linux/pci.h>
+#include <linux/pci-aspm.h>
 #include <linux/slab.h>
 #include <linux/mutex.h>
 #include <linux/spinlock.h>
@@ -1109,6 +1110,9 @@ static int __devinit aac_probe_one(struct pci_dev *pdev,
                unique_id++;
        }
+        pci_disable_link_state(pdev, PCIE_LINK_STATE_L0S | PCIE_LINK_STATE_L1 |
+                               PCIE_LINK_STATE_CLKPM);
        error = pci_enable_device(pdev);
        if (error)
                goto out;
diff --git a/drivers/scsi/hpsa.c b/drivers/scsi/hpsa.c
index e76107b2ade3..865d452542be 100644
--- a/drivers/scsi/hpsa.c
+++ b/drivers/scsi/hpsa.c
@@ -23,6 +23,7 @@
 #include <linux/interrupt.h>
 #include <linux/types.h>
 #include <linux/pci.h>
+#include <linux/pci-aspm.h>
 #include <linux/kernel.h>
 #include <linux/slab.h>
 #include <linux/delay.h>
@@ -3922,6 +3923,10 @@ static int __devinit hpsa_pci_init(struct ctlr_info *h)
                dev_warn(&h->pdev->dev, "controller appears to be disabled\n");
                return -ENODEV;
        }
+        pci_disable_link_state(h->pdev, PCIE_LINK_STATE_L0S |
+                               PCIE_LINK_STATE_L1 | PCIE_LINK_STATE_CLKPM);
        err = pci_enable_device(h->pdev);
        if (err) {
                dev_warn(&h->pdev->dev, "unable to enable PCI device\n");
diff --git a/drivers/scsi/mpt2sas/mpt2sas_scsih.c b/drivers/scsi/mpt2sas/mpt2sas_scsih.c
index 8889b1babcac..4e041f6d808c 100644
--- a/drivers/scsi/mpt2sas/mpt2sas_scsih.c
+++ b/drivers/scsi/mpt2sas/mpt2sas_scsih.c
@@ -2802,6 +2802,11 @@ _scsih_error_recovery_delete_devices(struct MPT2SAS_ADAPTER *ioc)
        if (ioc->is_driver_loading)
                return;
+        fw_event = kzalloc(sizeof(struct fw_event_work), GFP_ATOMIC);
+        if (!fw_event)
+                return;
        fw_event->event = MPT2SAS_REMOVE_UNRESPONDING_DEVICES;
        fw_event->ioc = ioc;
        _scsih_fw_event_add(ioc, fw_event);
diff --git a/drivers/scsi/scsi_lib.c b/drivers/scsi/scsi_lib.c
index 06bc26554a67..f85cfa6c47b5 100644
--- a/drivers/scsi/scsi_lib.c
+++ b/drivers/scsi/scsi_lib.c
@@ -1409,6 +1409,8 @@ static void scsi_kill_request(struct request *req, struct request_queue *q)
        blk_start_request(req);
+        scmd_printk(KERN_INFO, cmd, "killing request\n");
        sdev = cmd->device;
        starget = scsi_target(sdev);
        shost = sdev->host;
@@ -1490,7 +1492,6 @@ static void scsi_request_fn(struct request_queue *q)
        struct request *req;
        if (!sdev) {
-                printk("scsi: killing requests for dead queue\n");
                while ((req = blk_peek_request(q)) != NULL)
                        scsi_kill_request(req, q);
                return;
diff --git a/drivers/scsi/scsi_scan.c b/drivers/scsi/scsi_scan.c
index 72273a0e5666..b3c6d957fbd8 100644
--- a/drivers/scsi/scsi_scan.c
+++ b/drivers/scsi/scsi_scan.c
@@ -319,11 +319,7 @@ static struct scsi_device *scsi_alloc_sdev(struct scsi_target *starget,
        return sdev;
 out_device_destroy:
-        scsi_device_set_state(sdev, SDEV_DEL);
+        __scsi_remove_device(sdev);
-        transport_destroy_device(&sdev->sdev_gendev);
-        put_device(&sdev->sdev_dev);
-        scsi_free_queue(sdev->request_queue);
-        put_device(&sdev->sdev_gendev);
 out:
        if (display_failure_msg)
                printk(ALLOC_FAILURE_MSG, __func__);
diff --git a/drivers/sh/Makefile b/drivers/sh/Makefile
index 24e6cec0ae8d..67e272ab1623 100644
--- a/drivers/sh/Makefile
+++ b/drivers/sh/Makefile
@@ -7,3 +7,11 @@ obj-$(CONFIG_HAVE_CLK)		+= clk/
 obj-$(CONFIG_MAPLE)             += maple/
 obj-$(CONFIG_SUPERHYWAY)        += superhyway/
 obj-$(CONFIG_GENERIC_GPIO)      += pfc.o
+#
+# For the moment we only use this framework for ARM-based SH/R-Mobile
+# platforms and generic SH. SH-based SH-Mobile platforms are still using
+# an older framework that is pending up-porting, at which point this
+# special casing can go away.
+#
+obj-$(CONFIG_SUPERH)$(CONFIG_ARCH_SHMOBILE)     += pm_runtime.o
diff --git a/drivers/sh/clk/core.c b/drivers/sh/clk/core.c
index dc8d022c07a1..db257a35e71a 100644
--- a/drivers/sh/clk/core.c
+++ b/drivers/sh/clk/core.c
@@ -25,7 +25,6 @@
 #include <linux/seq_file.h>
 #include <linux/err.h>
 #include <linux/io.h>
-#include <linux/debugfs.h>
 #include <linux/cpufreq.h>
 #include <linux/clk.h>
 #include <linux/sh_clk.h>
@@ -173,6 +172,26 @@ long clk_rate_div_range_round(struct clk *clk, unsigned int div_min,
        return clk_rate_round_helper(&div_range_round);
 }
+static long clk_rate_mult_range_iter(unsigned int pos,
+                                      struct clk_rate_round_data *rounder)
+{
+        return clk_get_rate(rounder->arg) * pos;
+}
+long clk_rate_mult_range_round(struct clk *clk, unsigned int mult_min,
+                               unsigned int mult_max, unsigned long rate)
+{
+        struct clk_rate_round_data mult_range_round = {
+                .min    = mult_min,
+                .max    = mult_max,
+                .func   = clk_rate_mult_range_iter,
+                .arg    = clk_get_parent(clk),
+                .rate   = rate,
+        };
+        return clk_rate_round_helper(&mult_range_round);
+}
 int clk_rate_table_find(struct clk *clk,
                        struct cpufreq_frequency_table *freq_table,
                        unsigned long rate)
@@ -205,9 +224,6 @@ int clk_reparent(struct clk *child, struct clk *parent)
                list_add(&child->sibling, &parent->children);
        child->parent = parent;
-        /* now do the debugfs renaming to reattach the child
-           to the proper parent */
        return 0;
 }
@@ -665,89 +681,6 @@ static int __init clk_syscore_init(void)
 subsys_initcall(clk_syscore_init);
 #endif
-/*
- *      debugfs support to trace clock tree hierarchy and attributes
- */
-static struct dentry *clk_debugfs_root;
-static int clk_debugfs_register_one(struct clk *c)
-{
-        int err;
-        struct dentry *d;
-        struct clk *pa = c->parent;
-        char s[255];
-        char *p = s;
-        p += sprintf(p, "%p", c);
-        d = debugfs_create_dir(s, pa ? pa->dentry : clk_debugfs_root);
-        if (!d)
-                return -ENOMEM;
-        c->dentry = d;
-        d = debugfs_create_u8("usecount", S_IRUGO, c->dentry, (u8 *)&c->usecount);
-        if (!d) {
-                err = -ENOMEM;
-                goto err_out;
-        }
-        d = debugfs_create_u32("rate", S_IRUGO, c->dentry, (u32 *)&c->rate);
-        if (!d) {
-                err = -ENOMEM;
-                goto err_out;
-        }
-        d = debugfs_create_x32("flags", S_IRUGO, c->dentry, (u32 *)&c->flags);
-        if (!d) {
-                err = -ENOMEM;
-                goto err_out;
-        }
-        return 0;
-err_out:
-        debugfs_remove_recursive(c->dentry);
-        return err;
-}
-static int clk_debugfs_register(struct clk *c)
-{
-        int err;
-        struct clk *pa = c->parent;
-        if (pa && !pa->dentry) {
-                err = clk_debugfs_register(pa);
-                if (err)
-                        return err;
-        }
-        if (!c->dentry) {
-                err = clk_debugfs_register_one(c);
-                if (err)
-                        return err;
-        }
-        return 0;
-}
-static int __init clk_debugfs_init(void)
-{
-        struct clk *c;
-        struct dentry *d;
-        int err;
-        d = debugfs_create_dir("clock", NULL);
-        if (!d)
-                return -ENOMEM;
-        clk_debugfs_root = d;
-        list_for_each_entry(c, &clock_list, node) {
-                err = clk_debugfs_register(c);
-                if (err)
-                        goto err_out;
-        }
-        return 0;
-err_out:
-        debugfs_remove_recursive(clk_debugfs_root);
-        return err;
-}
-late_initcall(clk_debugfs_init);
 static int __init clk_late_init(void)
 {
        unsigned long flags;
diff --git a/drivers/sh/pm_runtime.c b/drivers/sh/pm_runtime.c
new file mode 100644
index 000000000000..afe9282629b9
--- /dev/null
+++ b/drivers/sh/pm_runtime.c
@@ -0,0 +1,65 @@
+/*
+ * Runtime PM support code
+ *
+ *  Copyright (C) 2009-2010 Magnus Damm
+ *
+ * This file is subject to the terms and conditions of the GNU General Public
+ * License.  See the file "COPYING" in the main directory of this archive
+ * for more details.
+ */
+#include <linux/init.h>
+#include <linux/kernel.h>
+#include <linux/io.h>
+#include <linux/pm_runtime.h>
+#include <linux/pm_domain.h>
+#include <linux/pm_clock.h>
+#include <linux/platform_device.h>
+#include <linux/clk.h>
+#include <linux/sh_clk.h>
+#include <linux/bitmap.h>
+#include <linux/slab.h>
+#ifdef CONFIG_PM_RUNTIME
+static int default_platform_runtime_idle(struct device *dev)
+{
+        /* suspend synchronously to disable clocks immediately */
+        return pm_runtime_suspend(dev);
+}
+static struct dev_pm_domain default_pm_domain = {
+        .ops = {
+                .runtime_suspend = pm_clk_suspend,
+                .runtime_resume = pm_clk_resume,
+                .runtime_idle = default_platform_runtime_idle,
+                USE_PLATFORM_PM_SLEEP_OPS
+        },
+};
+#define DEFAULT_PM_DOMAIN_PTR   (&default_pm_domain)
+#else
+#define DEFAULT_PM_DOMAIN_PTR   NULL
+#endif /* CONFIG_PM_RUNTIME */
+static struct pm_clk_notifier_block platform_bus_notifier = {
+        .pm_domain = DEFAULT_PM_DOMAIN_PTR,
+        .con_ids = { NULL, },
+};
+static int __init sh_pm_runtime_init(void)
+{
+        pm_clk_add_notifier(&platform_bus_type, &platform_bus_notifier);
+        return 0;
+}
+core_initcall(sh_pm_runtime_init);
+static int __init sh_pm_runtime_late_init(void)
+{
+        pm_genpd_poweroff_unused();
+        return 0;
+}
+late_initcall(sh_pm_runtime_late_init);
diff --git a/drivers/spi/Kconfig b/drivers/spi/Kconfig
index a1fd73df5416..8ba4510a9519 100644
--- a/drivers/spi/Kconfig
+++ b/drivers/spi/Kconfig
@@ -199,7 +199,7 @@ config SPI_FSL_LIB
        depends on FSL_SOC
 config SPI_FSL_SPI
-        tristate "Freescale SPI controller"
+        bool "Freescale SPI controller"
        depends on FSL_SOC
        select SPI_FSL_LIB
        help
@@ -208,7 +208,7 @@ config SPI_FSL_SPI
          MPC8569 uses the controller in QE mode, MPC8610 in cpu mode.
 config SPI_FSL_ESPI
-        tristate "Freescale eSPI controller"
+        bool "Freescale eSPI controller"
        depends on FSL_SOC
        select SPI_FSL_LIB
        help
diff --git a/drivers/spi/spi-ath79.c b/drivers/spi/spi-ath79.c
index 024b48aed5ca..acc88b4d2869 100644
--- a/drivers/spi/spi-ath79.c
+++ b/drivers/spi/spi-ath79.c
@@ -13,6 +13,7 @@
 */
 #include <linux/kernel.h>
+#include <linux/module.h>
 #include <linux/init.h>
 #include <linux/delay.h>
 #include <linux/spinlock.h>
diff --git a/drivers/spi/spi-atmel.c b/drivers/spi/spi-atmel.c
index 79665e2e6ec5..16d6a839c7fa 100644
--- a/drivers/spi/spi-atmel.c
+++ b/drivers/spi/spi-atmel.c
@@ -907,7 +907,7 @@ static void atmel_spi_cleanup(struct spi_device *spi)
 /*-------------------------------------------------------------------------*/
-static int __init atmel_spi_probe(struct platform_device *pdev)
+static int __devinit atmel_spi_probe(struct platform_device *pdev)
 {
        struct resource         *regs;
        int                     irq;
@@ -1003,7 +1003,7 @@ out_free:
        return ret;
 }
-static int __exit atmel_spi_remove(struct platform_device *pdev)
+static int __devexit atmel_spi_remove(struct platform_device *pdev)
 {
        struct spi_master       *master = platform_get_drvdata(pdev);
        struct atmel_spi        *as = spi_master_get_devdata(master);
@@ -1072,6 +1072,7 @@ static struct platform_driver atmel_spi_driver = {
        },
        .suspend        = atmel_spi_suspend,
        .resume         = atmel_spi_resume,
+        .probe          = atmel_spi_probe,
        .remove         = __exit_p(atmel_spi_remove),
 };
 module_platform_driver(atmel_spi_driver);
diff --git a/drivers/spi/spi-gpio.c b/drivers/spi/spi-gpio.c
index e093d3ec41ba..0094c645ff0d 100644
--- a/drivers/spi/spi-gpio.c
+++ b/drivers/spi/spi-gpio.c
@@ -256,7 +256,7 @@ static void spi_gpio_cleanup(struct spi_device *spi)
        spi_bitbang_cleanup(spi);
 }
-static int __init spi_gpio_alloc(unsigned pin, const char *label, bool is_in)
+static int __devinit spi_gpio_alloc(unsigned pin, const char *label, bool is_in)
 {
        int value;
@@ -270,7 +270,7 @@ static int __init spi_gpio_alloc(unsigned pin, const char *label, bool is_in)
        return value;
 }
-static int __init
+static int __devinit
 spi_gpio_request(struct spi_gpio_platform_data *pdata, const char *label,
        u16 *res_flags)
 {
diff --git a/drivers/spi/spi-nuc900.c b/drivers/spi/spi-nuc900.c
index e763254741c2..182e9c873822 100644
--- a/drivers/spi/spi-nuc900.c
+++ b/drivers/spi/spi-nuc900.c
@@ -8,6 +8,7 @@
 *
 */
+#include <linux/module.h>
 #include <linux/init.h>
 #include <linux/spinlock.h>
 #include <linux/workqueue.h>
@@ -426,7 +427,7 @@ static int __devinit nuc900_spi_probe(struct platform_device *pdev)
                goto err_clk;
        }
-        mfp_set_groupg(&pdev->dev);
+        mfp_set_groupg(&pdev->dev, NULL);
        nuc900_init_spi(hw);
        err = spi_bitbang_start(&hw->bitbang);
diff --git a/drivers/spi/spi-pl022.c b/drivers/spi/spi-pl022.c
index f103e470cb63..5559b2299198 100644
--- a/drivers/spi/spi-pl022.c
+++ b/drivers/spi/spi-pl022.c
@@ -2184,6 +2184,12 @@ pl022_probe(struct amba_device *adev, const struct amba_id *id)
                goto  err_clk_prep;
        }
+        status = clk_enable(pl022->clk);
+        if (status) {
+                dev_err(&adev->dev, "could not enable SSP/SPI bus clock\n");
+                goto err_no_clk_en;
+        }
        /* Disable SSP */
        writew((readw(SSP_CR1(pl022->virtbase)) & (~SSP_CR1_MASK_SSE)),
               SSP_CR1(pl022->virtbase));
@@ -2237,6 +2243,8 @@ pl022_probe(struct amba_device *adev, const struct amba_id *id)
        free_irq(adev->irq[0], pl022);
 err_no_irq:
+        clk_disable(pl022->clk);
+ err_no_clk_en:
        clk_unprepare(pl022->clk);
 err_clk_prep:
        clk_put(pl022->clk);
diff --git a/drivers/ssb/driver_pcicore.c b/drivers/ssb/driver_pcicore.c
index 84c934c0a545..520e8286db28 100644
--- a/drivers/ssb/driver_pcicore.c
+++ b/drivers/ssb/driver_pcicore.c
@@ -517,10 +517,14 @@ static void ssb_pcicore_pcie_setup_workarounds(struct ssb_pcicore *pc)
 static void __devinit ssb_pcicore_init_clientmode(struct ssb_pcicore *pc)
 {
-        ssb_pcicore_fix_sprom_core_index(pc);
+        struct ssb_device *pdev = pc->dev;
+        struct ssb_bus *bus = pdev->bus;
+        if (bus->bustype == SSB_BUSTYPE_PCI)
+                ssb_pcicore_fix_sprom_core_index(pc);
        /* Disable PCI interrupts. */
-        ssb_write32(pc->dev, SSB_INTVEC, 0);
+        ssb_write32(pdev, SSB_INTVEC, 0);
        /* Additional PCIe always once-executed workarounds */
        if (pc->dev->id.coreid == SSB_DEV_PCIE) {
diff --git a/drivers/staging/comedi/comedi_fops.c b/drivers/staging/comedi/comedi_fops.c
index 21d8c1c16cd8..5e78c77d5a08 100644
--- a/drivers/staging/comedi/comedi_fops.c
+++ b/drivers/staging/comedi/comedi_fops.c
@@ -671,7 +671,7 @@ static int do_insnlist_ioctl(struct comedi_device *dev,
        }
        insns =
-            kmalloc(sizeof(struct comedi_insn) * insnlist.n_insns, GFP_KERNEL);
+            kcalloc(insnlist.n_insns, sizeof(struct comedi_insn), GFP_KERNEL);
        if (!insns) {
                DPRINTK("kmalloc failed\n");
                ret = -ENOMEM;
@@ -1432,7 +1432,21 @@ static int do_cancel(struct comedi_device *dev, struct comedi_subdevice *s)
        return ret;
 }
-static void comedi_unmap(struct vm_area_struct *area)
+static void comedi_vm_open(struct vm_area_struct *area)
+{
+        struct comedi_async *async;
+        struct comedi_device *dev;
+        async = area->vm_private_data;
+        dev = async->subdevice->device;
+        mutex_lock(&dev->mutex);
+        async->mmap_count++;
+        mutex_unlock(&dev->mutex);
+}
+static void comedi_vm_close(struct vm_area_struct *area)
 {
        struct comedi_async *async;
        struct comedi_device *dev;
@@ -1446,15 +1460,13 @@ static void comedi_unmap(struct vm_area_struct *area)
 }
 static struct vm_operations_struct comedi_vm_ops = {
-        .close = comedi_unmap,
+        .open = comedi_vm_open,
+        .close = comedi_vm_close,
 };
 static int comedi_mmap(struct file *file, struct vm_area_struct *vma)
 {
        const unsigned minor = iminor(file->f_dentry->d_inode);
-        struct comedi_device_file_info *dev_file_info =
-            comedi_get_device_file_info(minor);
-        struct comedi_device *dev = dev_file_info->device;
        struct comedi_async *async = NULL;
        unsigned long start = vma->vm_start;
        unsigned long size;
@@ -1462,6 +1474,15 @@ static int comedi_mmap(struct file *file, struct vm_area_struct *vma)
        int i;
        int retval;
        struct comedi_subdevice *s;
+        struct comedi_device_file_info *dev_file_info;
+        struct comedi_device *dev;
+        dev_file_info = comedi_get_device_file_info(minor);
+        if (dev_file_info == NULL)
+                return -ENODEV;
+        dev = dev_file_info->device;
+        if (dev == NULL)
+                return -ENODEV;
        mutex_lock(&dev->mutex);
        if (!dev->attached) {
@@ -1528,11 +1549,17 @@ static unsigned int comedi_poll(struct file *file, poll_table * wait)
 {
        unsigned int mask = 0;
        const unsigned minor = iminor(file->f_dentry->d_inode);
-        struct comedi_device_file_info *dev_file_info =
-            comedi_get_device_file_info(minor);
-        struct comedi_device *dev = dev_file_info->device;
        struct comedi_subdevice *read_subdev;
        struct comedi_subdevice *write_subdev;
+        struct comedi_device_file_info *dev_file_info;
+        struct comedi_device *dev;
+        dev_file_info = comedi_get_device_file_info(minor);
+        if (dev_file_info == NULL)
+                return -ENODEV;
+        dev = dev_file_info->device;
+        if (dev == NULL)
+                return -ENODEV;
        mutex_lock(&dev->mutex);
        if (!dev->attached) {
@@ -1578,9 +1605,15 @@ static ssize_t comedi_write(struct file *file, const char __user *buf,
        int n, m, count = 0, retval = 0;
        DECLARE_WAITQUEUE(wait, current);
        const unsigned minor = iminor(file->f_dentry->d_inode);
-        struct comedi_device_file_info *dev_file_info =
+        struct comedi_device_file_info *dev_file_info;
-            comedi_get_device_file_info(minor);
+        struct comedi_device *dev;
-        struct comedi_device *dev = dev_file_info->device;
+        dev_file_info = comedi_get_device_file_info(minor);
+        if (dev_file_info == NULL)
+                return -ENODEV;
+        dev = dev_file_info->device;
+        if (dev == NULL)
+                return -ENODEV;
        if (!dev->attached) {
                DPRINTK("no driver configured on comedi%i\n", dev->minor);
@@ -1640,11 +1673,11 @@ static ssize_t comedi_write(struct file *file, const char __user *buf,
                                retval = -EAGAIN;
                                break;
                        }
+                        schedule();
                        if (signal_pending(current)) {
                                retval = -ERESTARTSYS;
                                break;
                        }
-                        schedule();
                        if (!s->busy)
                                break;
                        if (s->busy != file) {
@@ -1683,9 +1716,15 @@ static ssize_t comedi_read(struct file *file, char __user *buf, size_t nbytes,
        int n, m, count = 0, retval = 0;
        DECLARE_WAITQUEUE(wait, current);
        const unsigned minor = iminor(file->f_dentry->d_inode);
-        struct comedi_device_file_info *dev_file_info =
+        struct comedi_device_file_info *dev_file_info;
-            comedi_get_device_file_info(minor);
+        struct comedi_device *dev;
-        struct comedi_device *dev = dev_file_info->device;
+        dev_file_info = comedi_get_device_file_info(minor);
+        if (dev_file_info == NULL)
+                return -ENODEV;
+        dev = dev_file_info->device;
+        if (dev == NULL)
+                return -ENODEV;
        if (!dev->attached) {
                DPRINTK("no driver configured on comedi%i\n", dev->minor);
@@ -1741,11 +1780,11 @@ static ssize_t comedi_read(struct file *file, char __user *buf, size_t nbytes,
                                retval = -EAGAIN;
                                break;
                        }
+                        schedule();
                        if (signal_pending(current)) {
                                retval = -ERESTARTSYS;
                                break;
                        }
-                        schedule();
                        if (!s->busy) {
                                retval = 0;
                                break;
@@ -1885,11 +1924,17 @@ ok:
 static int comedi_close(struct inode *inode, struct file *file)
 {
        const unsigned minor = iminor(inode);
-        struct comedi_device_file_info *dev_file_info =
-            comedi_get_device_file_info(minor);
-        struct comedi_device *dev = dev_file_info->device;
        struct comedi_subdevice *s = NULL;
        int i;
+        struct comedi_device_file_info *dev_file_info;
+        struct comedi_device *dev;
+        dev_file_info = comedi_get_device_file_info(minor);
+        if (dev_file_info == NULL)
+                return -ENODEV;
+        dev = dev_file_info->device;
+        if (dev == NULL)
+                return -ENODEV;
        mutex_lock(&dev->mutex);
@@ -1923,10 +1968,15 @@ static int comedi_close(struct inode *inode, struct file *file)
 static int comedi_fasync(int fd, struct file *file, int on)
 {
        const unsigned minor = iminor(file->f_dentry->d_inode);
-        struct comedi_device_file_info *dev_file_info =
+        struct comedi_device_file_info *dev_file_info;
-            comedi_get_device_file_info(minor);
+        struct comedi_device *dev;
+        dev_file_info = comedi_get_device_file_info(minor);
-        struct comedi_device *dev = dev_file_info->device;
+        if (dev_file_info == NULL)
+                return -ENODEV;
+        dev = dev_file_info->device;
+        if (dev == NULL)
+                return -ENODEV;
        return fasync_helper(fd, file, on, &dev->async_queue);
 }
diff --git a/drivers/staging/comedi/drivers/usbduxsigma.c b/drivers/staging/comedi/drivers/usbduxsigma.c
index a8fea9a91733..6144afb8cbaa 100644
--- a/drivers/staging/comedi/drivers/usbduxsigma.c
+++ b/drivers/staging/comedi/drivers/usbduxsigma.c
@@ -1,4 +1,4 @@
-#define DRIVER_VERSION "v0.5"
+#define DRIVER_VERSION "v0.6"
 #define DRIVER_AUTHOR "Bernd Porr, BerndPorr@f2s.com"
 #define DRIVER_DESC "Stirling/ITL USB-DUX SIGMA -- Bernd.Porr@f2s.com"
 /*
@@ -25,7 +25,7 @@ Driver: usbduxsigma
 Description: University of Stirling USB DAQ & INCITE Technology Limited
 Devices: [ITL] USB-DUX (usbduxsigma.o)
 Author: Bernd Porr <BerndPorr@f2s.com>
-Updated: 21 Jul 2011
+Updated: 8 Nov 2011
 Status: testing
 */
 /*
@@ -44,6 +44,7 @@ Status: testing
 *   0.3: proper vendor ID and driver name
 *   0.4: fixed D/A voltage range
 *   0.5: various bug fixes, health check at startup
+ *   0.6: corrected wrong input range
 */
 /* generates loads of debug info */
@@ -175,7 +176,7 @@ Status: testing
 /* comedi constants */
 static const struct comedi_lrange range_usbdux_ai_range = { 1, {
                                                                BIP_RANGE
-                                                                (2.65)
+                                                                (2.65/2.0)
                                                                }
 };
diff --git a/drivers/staging/et131x/Kconfig b/drivers/staging/et131x/Kconfig
index 9e1864c6dfd0..8190f2aaf53b 100644
--- a/drivers/staging/et131x/Kconfig
+++ b/drivers/staging/et131x/Kconfig
@@ -1,6 +1,7 @@
 config ET131X
        tristate "Agere ET-1310 Gigabit Ethernet support"
-        depends on PCI
+        depends on PCI && NET && NETDEVICES
+        select PHYLIB
        default n
        ---help---
          This driver supports Agere ET-1310 ethernet adapters.
diff --git a/drivers/staging/et131x/et131x.c b/drivers/staging/et131x/et131x.c
index f5f44a02456f..0c1c6ca8c379 100644
--- a/drivers/staging/et131x/et131x.c
+++ b/drivers/staging/et131x/et131x.c
@@ -4469,6 +4469,12 @@ static int et131x_resume(struct device *dev)
        return 0;
 }
+static SIMPLE_DEV_PM_OPS(et131x_pm_ops, et131x_suspend, et131x_resume);
+#define ET131X_PM_OPS (&et131x_pm_ops)
+#else
+#define ET131X_PM_OPS NULL
+#endif
 /* ISR functions */
 /**
@@ -5470,12 +5476,6 @@ err_out:
        return result;
 }
-static SIMPLE_DEV_PM_OPS(et131x_pm_ops, et131x_suspend, et131x_resume);
-#define ET131X_PM_OPS (&et131x_pm_ops)
-#else
-#define ET131X_PM_OPS NULL
-#endif
 static DEFINE_PCI_DEVICE_TABLE(et131x_pci_table) = {
        { PCI_VDEVICE(ATT, ET131X_PCI_DEVICE_ID_GIG), 0UL},
        { PCI_VDEVICE(ATT, ET131X_PCI_DEVICE_ID_FAST), 0UL},
diff --git a/drivers/staging/iio/industrialio-core.c b/drivers/staging/iio/industrialio-core.c
index 326e967d54ef..aec9311b108c 100644
--- a/drivers/staging/iio/industrialio-core.c
+++ b/drivers/staging/iio/industrialio-core.c
@@ -242,19 +242,26 @@ static const struct file_operations iio_event_chrdev_fileops = {
 static int iio_event_getfd(struct iio_dev *indio_dev)
 {
-        if (indio_dev->event_interface == NULL)
+        struct iio_event_interface *ev_int = indio_dev->event_interface;
+        int fd;
+        if (ev_int == NULL)
                return -ENODEV;
-        mutex_lock(&indio_dev->event_interface->event_list_lock);
+        mutex_lock(&ev_int->event_list_lock);
-        if (test_and_set_bit(IIO_BUSY_BIT_POS,
+        if (test_and_set_bit(IIO_BUSY_BIT_POS, &ev_int->flags)) {
-                             &indio_dev->event_interface->flags)) {
+                mutex_unlock(&ev_int->event_list_lock);
-                mutex_unlock(&indio_dev->event_interface->event_list_lock);
                return -EBUSY;
        }
-        mutex_unlock(&indio_dev->event_interface->event_list_lock);
+        mutex_unlock(&ev_int->event_list_lock);
-        return anon_inode_getfd("iio:event",
+        fd = anon_inode_getfd("iio:event",
-                                &iio_event_chrdev_fileops,
+                                &iio_event_chrdev_fileops, ev_int, O_RDONLY);
-                                indio_dev->event_interface, O_RDONLY);
+        if (fd < 0) {
+                mutex_lock(&ev_int->event_list_lock);
+                clear_bit(IIO_BUSY_BIT_POS, &ev_int->flags);
+                mutex_unlock(&ev_int->event_list_lock);
+        }
+        return fd;
 }
 static int __init iio_init(void)
diff --git a/drivers/staging/media/as102/as102_drv.c b/drivers/staging/media/as102/as102_drv.c
index d335c7d6fa0f..828526d4c289 100644
--- a/drivers/staging/media/as102/as102_drv.c
+++ b/drivers/staging/media/as102/as102_drv.c
@@ -32,8 +32,8 @@
 #include "as102_fw.h"
 #include "dvbdev.h"
-int debug;
+int as102_debug;
-module_param_named(debug, debug, int, 0644);
+module_param_named(debug, as102_debug, int, 0644);
 MODULE_PARM_DESC(debug, "Turn on/off debugging (default: off)");
 int dual_tuner;
diff --git a/drivers/staging/media/as102/as102_drv.h b/drivers/staging/media/as102/as102_drv.h
index bcda635b5a99..fd33f5a12dcc 100644
--- a/drivers/staging/media/as102/as102_drv.h
+++ b/drivers/staging/media/as102/as102_drv.h
@@ -37,7 +37,8 @@ extern struct spi_driver as102_spi_driver;
 #define DRIVER_FULL_NAME "Abilis Systems as10x usb driver"
 #define DRIVER_NAME "as10x_usb"
-extern int debug;
+extern int as102_debug;
+#define debug   as102_debug
 #define dprintk(debug, args...) \
        do { if (debug) {       \
diff --git a/drivers/staging/octeon/ethernet-tx.c b/drivers/staging/octeon/ethernet-tx.c
index b445cd63f901..2542c3743904 100644
--- a/drivers/staging/octeon/ethernet-tx.c
+++ b/drivers/staging/octeon/ethernet-tx.c
@@ -275,7 +275,7 @@ int cvm_oct_xmit(struct sk_buff *skb, struct net_device *dev)
                CVM_OCT_SKB_CB(skb)[0] = hw_buffer.u64;
                for (i = 0; i < skb_shinfo(skb)->nr_frags; i++) {
                        struct skb_frag_struct *fs = skb_shinfo(skb)->frags + i;
-                        hw_buffer.s.addr = XKPHYS_TO_PHYS((u64)(page_address(fs->page) + fs->page_offset));
+                        hw_buffer.s.addr = XKPHYS_TO_PHYS((u64)(page_address(fs->page.p) + fs->page_offset));
                        hw_buffer.s.size = fs->size;
                        CVM_OCT_SKB_CB(skb)[i + 1] = hw_buffer.u64;
                }
diff --git a/drivers/staging/rtl8712/usb_intf.c b/drivers/staging/rtl8712/usb_intf.c
index fb2e89c3056c..5385da2e9cdb 100644
--- a/drivers/staging/rtl8712/usb_intf.c
+++ b/drivers/staging/rtl8712/usb_intf.c
@@ -89,6 +89,7 @@ static struct usb_device_id rtl871x_usb_id_tbl[] = {
        {USB_DEVICE(0x0DF6, 0x0045)},
        {USB_DEVICE(0x0DF6, 0x0059)}, /* 11n mode disable */
        {USB_DEVICE(0x0DF6, 0x004B)},
+        {USB_DEVICE(0x0DF6, 0x005D)},
        {USB_DEVICE(0x0DF6, 0x0063)},
        /* Sweex */
        {USB_DEVICE(0x177F, 0x0154)},
diff --git a/drivers/staging/rts_pstor/rtsx.c b/drivers/staging/rts_pstor/rtsx.c
index 480b0ed2e4de..115635f95024 100644
--- a/drivers/staging/rts_pstor/rtsx.c
+++ b/drivers/staging/rts_pstor/rtsx.c
@@ -1021,6 +1021,7 @@ static int __devinit rtsx_probe(struct pci_dev *pci,
        th = kthread_create(rtsx_scan_thread, dev, "rtsx-scan");
        if (IS_ERR(th)) {
                printk(KERN_ERR "Unable to start the device-scanning thread\n");
+                complete(&dev->scanning_done);
                quiesce_and_remove_host(dev);
                err = PTR_ERR(th);
                goto errout;
diff --git a/drivers/staging/slicoss/Kconfig b/drivers/staging/slicoss/Kconfig
index 5cde96b2e6e1..5c2a15b42dfe 100644
--- a/drivers/staging/slicoss/Kconfig
+++ b/drivers/staging/slicoss/Kconfig
@@ -1,6 +1,6 @@
 config SLICOSS
        tristate "Alacritech Gigabit IS-NIC support"
-        depends on PCI && X86
+        depends on PCI && X86 && NET
        default n
        help
          This driver supports Alacritech's IS-NIC gigabit ethernet cards.
diff --git a/drivers/staging/tidspbridge/core/dsp-clock.c b/drivers/staging/tidspbridge/core/dsp-clock.c
index 3d1279c424a8..7eb56178fb64 100644
--- a/drivers/staging/tidspbridge/core/dsp-clock.c
+++ b/drivers/staging/tidspbridge/core/dsp-clock.c
@@ -54,6 +54,7 @@
 /* Bridge GPT id (1 - 4), DM Timer id (5 - 8) */
 #define DMT_ID(id) ((id) + 4)
+#define DM_TIMER_CLOCKS         4
 /* Bridge MCBSP id (6 - 10), OMAP Mcbsp id (0 - 4) */
 #define MCBSP_ID(id) ((id) - 6)
@@ -114,8 +115,13 @@ static s8 get_clk_type(u8 id)
 */
 void dsp_clk_exit(void)
 {
+        int i;
        dsp_clock_disable_all(dsp_clocks);
+        for (i = 0; i < DM_TIMER_CLOCKS; i++)
+                omap_dm_timer_free(timer[i]);
        clk_put(iva2_clk);
        clk_put(ssi.sst_fck);
        clk_put(ssi.ssr_fck);
@@ -130,9 +136,13 @@ void dsp_clk_exit(void)
 void dsp_clk_init(void)
 {
        static struct platform_device dspbridge_device;
+        int i, id;
        dspbridge_device.dev.bus = &platform_bus_type;
+        for (i = 0, id = 5; i < DM_TIMER_CLOCKS; i++, id++)
+                timer[i] = omap_dm_timer_request_specific(id);
        iva2_clk = clk_get(&dspbridge_device.dev, "iva2_ck");
        if (IS_ERR(iva2_clk))
                dev_err(bridge, "failed to get iva2 clock %p\n", iva2_clk);
@@ -204,8 +214,7 @@ int dsp_clk_enable(enum dsp_clk_id clk_id)
                clk_enable(iva2_clk);
                break;
        case GPT_CLK:
-                timer[clk_id - 1] =
+                status = omap_dm_timer_start(timer[clk_id - 1]);
-                                omap_dm_timer_request_specific(DMT_ID(clk_id));
                break;
 #ifdef CONFIG_OMAP_MCBSP
        case MCBSP_CLK:
@@ -281,7 +290,7 @@ int dsp_clk_disable(enum dsp_clk_id clk_id)
                clk_disable(iva2_clk);
                break;
        case GPT_CLK:
-                omap_dm_timer_free(timer[clk_id - 1]);
+                status = omap_dm_timer_stop(timer[clk_id - 1]);
                break;
 #ifdef CONFIG_OMAP_MCBSP
        case MCBSP_CLK:
diff --git a/drivers/staging/tidspbridge/rmgr/drv_interface.c b/drivers/staging/tidspbridge/rmgr/drv_interface.c
index c43c7e3421c8..76cfc6edecd9 100644
--- a/drivers/staging/tidspbridge/rmgr/drv_interface.c
+++ b/drivers/staging/tidspbridge/rmgr/drv_interface.c
@@ -24,11 +24,7 @@
 #include <linux/types.h>
 #include <linux/platform_device.h>
 #include <linux/pm.h>
-#ifdef MODULE
 #include <linux/module.h>
-#endif
 #include <linux/device.h>
 #include <linux/init.h>
 #include <linux/moduleparam.h>
diff --git a/drivers/staging/usbip/vhci_rx.c b/drivers/staging/usbip/vhci_rx.c
index 09c44abb89e8..3872b8cccdcf 100644
--- a/drivers/staging/usbip/vhci_rx.c
+++ b/drivers/staging/usbip/vhci_rx.c
@@ -68,6 +68,7 @@ static void vhci_recv_ret_submit(struct vhci_device *vdev,
 {
        struct usbip_device *ud = &vdev->ud;
        struct urb *urb;
+        unsigned long flags;
        spin_lock(&vdev->priv_lock);
        urb = pickup_urb_and_free_priv(vdev, pdu->base.seqnum);
@@ -101,9 +102,9 @@ static void vhci_recv_ret_submit(struct vhci_device *vdev,
        usbip_dbg_vhci_rx("now giveback urb %p\n", urb);
-        spin_lock(&the_controller->lock);
+        spin_lock_irqsave(&the_controller->lock, flags);
        usb_hcd_unlink_urb_from_ep(vhci_to_hcd(the_controller), urb);
-        spin_unlock(&the_controller->lock);
+        spin_unlock_irqrestore(&the_controller->lock, flags);
        usb_hcd_giveback_urb(vhci_to_hcd(the_controller), urb, urb->status);
@@ -141,6 +142,7 @@ static void vhci_recv_ret_unlink(struct vhci_device *vdev,
 {
        struct vhci_unlink *unlink;
        struct urb *urb;
+        unsigned long flags;
        usbip_dump_header(pdu);
@@ -170,9 +172,9 @@ static void vhci_recv_ret_unlink(struct vhci_device *vdev,
                urb->status = pdu->u.ret_unlink.status;
                pr_info("urb->status %d\n", urb->status);
-                spin_lock(&the_controller->lock);
+                spin_lock_irqsave(&the_controller->lock, flags);
                usb_hcd_unlink_urb_from_ep(vhci_to_hcd(the_controller), urb);
-                spin_unlock(&the_controller->lock);
+                spin_unlock_irqrestore(&the_controller->lock, flags);
                usb_hcd_giveback_urb(vhci_to_hcd(the_controller), urb,
                                     urb->status);
diff --git a/drivers/target/iscsi/iscsi_target.c b/drivers/target/iscsi/iscsi_target.c
index 0fd96c10271d..8599545cdf9e 100644
--- a/drivers/target/iscsi/iscsi_target.c
+++ b/drivers/target/iscsi/iscsi_target.c
@@ -614,13 +614,12 @@ int iscsit_add_reject(
        hdr     = (struct iscsi_reject *) cmd->pdu;
        hdr->reason = reason;
-        cmd->buf_ptr = kzalloc(ISCSI_HDR_LEN, GFP_KERNEL);
+        cmd->buf_ptr = kmemdup(buf, ISCSI_HDR_LEN, GFP_KERNEL);
        if (!cmd->buf_ptr) {
                pr_err("Unable to allocate memory for cmd->buf_ptr\n");
                iscsit_release_cmd(cmd);
                return -1;
        }
-        memcpy(cmd->buf_ptr, buf, ISCSI_HDR_LEN);
        spin_lock_bh(&conn->cmd_lock);
        list_add_tail(&cmd->i_list, &conn->conn_cmd_list);
@@ -661,13 +660,12 @@ int iscsit_add_reject_from_cmd(
        hdr     = (struct iscsi_reject *) cmd->pdu;
        hdr->reason = reason;
-        cmd->buf_ptr = kzalloc(ISCSI_HDR_LEN, GFP_KERNEL);
+        cmd->buf_ptr = kmemdup(buf, ISCSI_HDR_LEN, GFP_KERNEL);
        if (!cmd->buf_ptr) {
                pr_err("Unable to allocate memory for cmd->buf_ptr\n");
                iscsit_release_cmd(cmd);
                return -1;
        }
-        memcpy(cmd->buf_ptr, buf, ISCSI_HDR_LEN);
        if (add_to_conn) {
                spin_lock_bh(&conn->cmd_lock);
@@ -1017,11 +1015,6 @@ done:
                                " non-existent or non-exported iSCSI LUN:"
                                " 0x%016Lx\n", get_unaligned_le64(&hdr->lun));
                }
-                if (ret == PYX_TRANSPORT_OUT_OF_MEMORY_RESOURCES)
-                        return iscsit_add_reject_from_cmd(
-                                        ISCSI_REASON_BOOKMARK_NO_RESOURCES,
-                                        1, 1, buf, cmd);
                send_check_condition = 1;
                goto attach_cmd;
        }
@@ -1044,6 +1037,8 @@ done:
                 */
                send_check_condition = 1;
        } else {
+                cmd->data_length = cmd->se_cmd.data_length;
                if (iscsit_decide_list_to_build(cmd, payload_length) < 0)
                        return iscsit_add_reject_from_cmd(
                                ISCSI_REASON_BOOKMARK_NO_RESOURCES,
@@ -1123,7 +1118,7 @@ attach_cmd:
         * the backend memory allocation.
         */
        ret = transport_generic_new_cmd(&cmd->se_cmd);
-        if ((ret < 0) || (cmd->se_cmd.se_cmd_flags & SCF_SE_CMD_FAILED)) {
+        if (ret < 0) {
                immed_ret = IMMEDIATE_DATA_NORMAL_OPERATION;
                dump_immediate_data = 1;
                goto after_immediate_data;
@@ -1341,7 +1336,7 @@ static int iscsit_handle_data_out(struct iscsi_conn *conn, unsigned char *buf)
                spin_lock_irqsave(&se_cmd->t_state_lock, flags);
                if (!(se_cmd->se_cmd_flags & SCF_SUPPORTED_SAM_OPCODE) ||
-                     (se_cmd->se_cmd_flags & SCF_SE_CMD_FAILED))
+                     (se_cmd->se_cmd_flags & SCF_SCSI_CDB_EXCEPTION))
                        dump_unsolicited_data = 1;
                spin_unlock_irqrestore(&se_cmd->t_state_lock, flags);
@@ -2513,10 +2508,10 @@ static int iscsit_send_data_in(
        if (hdr->flags & ISCSI_FLAG_DATA_STATUS) {
                if (cmd->se_cmd.se_cmd_flags & SCF_OVERFLOW_BIT) {
                        hdr->flags |= ISCSI_FLAG_DATA_OVERFLOW;
-                        hdr->residual_count = cpu_to_be32(cmd->residual_count);
+                        hdr->residual_count = cpu_to_be32(cmd->se_cmd.residual_count);
                } else if (cmd->se_cmd.se_cmd_flags & SCF_UNDERFLOW_BIT) {
                        hdr->flags |= ISCSI_FLAG_DATA_UNDERFLOW;
-                        hdr->residual_count = cpu_to_be32(cmd->residual_count);
+                        hdr->residual_count = cpu_to_be32(cmd->se_cmd.residual_count);
                }
        }
        hton24(hdr->dlength, datain.length);
@@ -3018,10 +3013,10 @@ static int iscsit_send_status(
        hdr->flags              |= ISCSI_FLAG_CMD_FINAL;
        if (cmd->se_cmd.se_cmd_flags & SCF_OVERFLOW_BIT) {
                hdr->flags |= ISCSI_FLAG_CMD_OVERFLOW;
-                hdr->residual_count = cpu_to_be32(cmd->residual_count);
+                hdr->residual_count = cpu_to_be32(cmd->se_cmd.residual_count);
        } else if (cmd->se_cmd.se_cmd_flags & SCF_UNDERFLOW_BIT) {
                hdr->flags |= ISCSI_FLAG_CMD_UNDERFLOW;
-                hdr->residual_count = cpu_to_be32(cmd->residual_count);
+                hdr->residual_count = cpu_to_be32(cmd->se_cmd.residual_count);
        }
        hdr->response           = cmd->iscsi_response;
        hdr->cmd_status         = cmd->se_cmd.scsi_status;
@@ -3133,6 +3128,7 @@ static int iscsit_send_task_mgt_rsp(
        hdr                     = (struct iscsi_tm_rsp *) cmd->pdu;
        memset(hdr, 0, ISCSI_HDR_LEN);
        hdr->opcode             = ISCSI_OP_SCSI_TMFUNC_RSP;
+        hdr->flags              = ISCSI_FLAG_CMD_FINAL;
        hdr->response           = iscsit_convert_tcm_tmr_rsp(se_tmr);
        hdr->itt                = cpu_to_be32(cmd->init_task_tag);
        cmd->stat_sn            = conn->stat_sn++;
diff --git a/drivers/target/iscsi/iscsi_target_auth.c b/drivers/target/iscsi/iscsi_target_auth.c
index beb39469e7f1..1cd6ce373b83 100644
--- a/drivers/target/iscsi/iscsi_target_auth.c
+++ b/drivers/target/iscsi/iscsi_target_auth.c
@@ -30,9 +30,11 @@
 static int chap_string_to_hex(unsigned char *dst, unsigned char *src, int len)
 {
-        int j = DIV_ROUND_UP(len, 2);
+        int j = DIV_ROUND_UP(len, 2), rc;
-        hex2bin(dst, src, j);
+        rc = hex2bin(dst, src, j);
+        if (rc < 0)
+                pr_debug("CHAP string contains non hex digit symbols\n");
        dst[j] = '\0';
        return j;
diff --git a/drivers/target/iscsi/iscsi_target_core.h b/drivers/target/iscsi/iscsi_target_core.h
index 3723d90d5ae5..f1a02dad05a0 100644
--- a/drivers/target/iscsi/iscsi_target_core.h
+++ b/drivers/target/iscsi/iscsi_target_core.h
@@ -398,7 +398,6 @@ struct iscsi_cmd {
        u32                     pdu_send_order;
        /* Current struct iscsi_pdu in struct iscsi_cmd->pdu_list */
        u32                     pdu_start;
-        u32                     residual_count;
        /* Next struct iscsi_seq to send in struct iscsi_cmd->seq_list */
        u32                     seq_send_order;
        /* Number of struct iscsi_seq in struct iscsi_cmd->seq_list */
@@ -535,7 +534,6 @@ struct iscsi_conn {
        atomic_t                connection_exit;
        atomic_t                connection_recovery;
        atomic_t                connection_reinstatement;
-        atomic_t                connection_wait;
        atomic_t                connection_wait_rcfr;
        atomic_t                sleep_on_conn_wait_comp;
        atomic_t                transport_failed;
@@ -643,7 +641,6 @@ struct iscsi_session {
        atomic_t                session_reinstatement;
        atomic_t                session_stop_active;
        atomic_t                sleep_on_sess_wait_comp;
-        atomic_t                transport_wait_cmds;
        /* connection list */
        struct list_head        sess_conn_list;
        struct list_head        cr_active_list;
diff --git a/drivers/target/iscsi/iscsi_target_erl1.c b/drivers/target/iscsi/iscsi_target_erl1.c
index c4c68da3e500..101b1beb3bca 100644
--- a/drivers/target/iscsi/iscsi_target_erl1.c
+++ b/drivers/target/iscsi/iscsi_target_erl1.c
@@ -938,8 +938,7 @@ int iscsit_execute_cmd(struct iscsi_cmd *cmd, int ooo)
                 * handle the SCF_SCSI_RESERVATION_CONFLICT case here as well.
                 */
                if (se_cmd->se_cmd_flags & SCF_SCSI_CDB_EXCEPTION) {
-                        if (se_cmd->se_cmd_flags &
+                        if (se_cmd->scsi_sense_reason == TCM_RESERVATION_CONFLICT) {
-                                        SCF_SCSI_RESERVATION_CONFLICT) {
                                cmd->i_state = ISTATE_SEND_STATUS;
                                spin_unlock_bh(&cmd->istate_lock);
                                iscsit_add_cmd_to_response_queue(cmd, cmd->conn,
diff --git a/drivers/target/iscsi/iscsi_target_login.c b/drivers/target/iscsi/iscsi_target_login.c
index daad362a93ce..d734bdec24f9 100644
--- a/drivers/target/iscsi/iscsi_target_login.c
+++ b/drivers/target/iscsi/iscsi_target_login.c
@@ -224,7 +224,7 @@ static int iscsi_login_zero_tsih_s1(
                iscsit_tx_login_rsp(conn, ISCSI_STATUS_CLS_TARGET_ERR,
                                ISCSI_LOGIN_STATUS_NO_RESOURCES);
                pr_err("Could not allocate memory for session\n");
-                return -1;
+                return -ENOMEM;
        }
        iscsi_login_set_conn_values(sess, conn, pdu->cid);
@@ -250,7 +250,8 @@ static int iscsi_login_zero_tsih_s1(
                pr_err("idr_pre_get() for sess_idr failed\n");
                iscsit_tx_login_rsp(conn, ISCSI_STATUS_CLS_TARGET_ERR,
                                ISCSI_LOGIN_STATUS_NO_RESOURCES);
-                return -1;
+                kfree(sess);
+                return -ENOMEM;
        }
        spin_lock(&sess_idr_lock);
        idr_get_new(&sess_idr, NULL, &sess->session_index);
@@ -270,14 +271,16 @@ static int iscsi_login_zero_tsih_s1(
                                ISCSI_LOGIN_STATUS_NO_RESOURCES);
                pr_err("Unable to allocate memory for"
                                " struct iscsi_sess_ops.\n");
-                return -1;
+                kfree(sess);
+                return -ENOMEM;
        }
        sess->se_sess = transport_init_session();
-        if (!sess->se_sess) {
+        if (IS_ERR(sess->se_sess)) {
                iscsit_tx_login_rsp(conn, ISCSI_STATUS_CLS_TARGET_ERR,
                                ISCSI_LOGIN_STATUS_NO_RESOURCES);
-                return -1;
+                kfree(sess);
+                return -ENOMEM;
        }
        return 0;
diff --git a/drivers/target/iscsi/iscsi_target_nego.c b/drivers/target/iscsi/iscsi_target_nego.c
index 426cd4bf6a9a..98936cb7c294 100644
--- a/drivers/target/iscsi/iscsi_target_nego.c
+++ b/drivers/target/iscsi/iscsi_target_nego.c
@@ -981,14 +981,13 @@ struct iscsi_login *iscsi_target_init_negotiation(
                return NULL;
        }
-        login->req = kzalloc(ISCSI_HDR_LEN, GFP_KERNEL);
+        login->req = kmemdup(login_pdu, ISCSI_HDR_LEN, GFP_KERNEL);
        if (!login->req) {
                pr_err("Unable to allocate memory for Login Request.\n");
                iscsit_tx_login_rsp(conn, ISCSI_STATUS_CLS_TARGET_ERR,
                                ISCSI_LOGIN_STATUS_NO_RESOURCES);
                goto out;
        }
-        memcpy(login->req, login_pdu, ISCSI_HDR_LEN);
        login->req_buf = kzalloc(MAX_KEY_VALUE_PAIRS, GFP_KERNEL);
        if (!login->req_buf) {
diff --git a/drivers/target/loopback/tcm_loop.c b/drivers/target/loopback/tcm_loop.c
index 3df1c9b8ae6b..81d5832fbbd5 100644
--- a/drivers/target/loopback/tcm_loop.c
+++ b/drivers/target/loopback/tcm_loop.c
@@ -113,11 +113,9 @@ static struct se_cmd *tcm_loop_allocate_core_cmd(
                        scsi_bufflen(sc), sc->sc_data_direction, sam_task_attr,
                        &tl_cmd->tl_sense_buf[0]);
-        /*
-         * Signal BIDI usage with T_TASK(cmd)->t_tasks_bidi
-         */
        if (scsi_bidi_cmnd(sc))
-                se_cmd->t_tasks_bidi = 1;
+                se_cmd->se_cmd_flags |= SCF_BIDI;
        /*
         * Locate the struct se_lun pointer and attach it to struct se_cmd
         */
@@ -148,27 +146,13 @@ static int tcm_loop_new_cmd_map(struct se_cmd *se_cmd)
         * Allocate the necessary tasks to complete the received CDB+data
         */
        ret = transport_generic_allocate_tasks(se_cmd, sc->cmnd);
-        if (ret == -ENOMEM) {
+        if (ret != 0)
-                /* Out of Resources */
+                return ret;
-                return PYX_TRANSPORT_LU_COMM_FAILURE;
-        } else if (ret == -EINVAL) {
-                /*
-                 * Handle case for SAM_STAT_RESERVATION_CONFLICT
-                 */
-                if (se_cmd->se_cmd_flags & SCF_SCSI_RESERVATION_CONFLICT)
-                        return PYX_TRANSPORT_RESERVATION_CONFLICT;
-                /*
-                 * Otherwise, return SAM_STAT_CHECK_CONDITION and return
-                 * sense data.
-                 */
-                return PYX_TRANSPORT_USE_SENSE_REASON;
-        }
        /*
         * For BIDI commands, pass in the extra READ buffer
         * to transport_generic_map_mem_to_cmd() below..
         */
-        if (se_cmd->t_tasks_bidi) {
+        if (se_cmd->se_cmd_flags & SCF_BIDI) {
                struct scsi_data_buffer *sdb = scsi_in(sc);
                sgl_bidi = sdb->table.sgl;
@@ -194,12 +178,8 @@ static int tcm_loop_new_cmd_map(struct se_cmd *se_cmd)
        }
        /* Tell the core about our preallocated memory */
-        ret = transport_generic_map_mem_to_cmd(se_cmd, scsi_sglist(sc),
+        return transport_generic_map_mem_to_cmd(se_cmd, scsi_sglist(sc),
                        scsi_sg_count(sc), sgl_bidi, sgl_bidi_count);
-        if (ret < 0)
-                return PYX_TRANSPORT_LU_COMM_FAILURE;
-        return 0;
 }
 /*
@@ -1360,17 +1340,16 @@ void tcm_loop_drop_scsi_hba(
 {
        struct tcm_loop_hba *tl_hba = container_of(wwn,
                                struct tcm_loop_hba, tl_hba_wwn);
-        int host_no = tl_hba->sh->host_no;
+        pr_debug("TCM_Loop_ConfigFS: Deallocating emulated Target"
+                " SAS Address: %s at Linux/SCSI Host ID: %d\n",
+                tl_hba->tl_wwn_address, tl_hba->sh->host_no);
        /*
         * Call device_unregister() on the original tl_hba->dev.
         * tcm_loop_fabric_scsi.c:tcm_loop_release_adapter() will
         * release *tl_hba;
         */
        device_unregister(&tl_hba->dev);
-        pr_debug("TCM_Loop_ConfigFS: Deallocated emulated Target"
-                " SAS Address: %s at Linux/SCSI Host ID: %d\n",
-                config_item_name(&wwn->wwn_group.cg_item), host_no);
 }
 /* Start items for tcm_loop_cit */
diff --git a/drivers/target/target_core_alua.c b/drivers/target/target_core_alua.c
index 88f2ad43ec8b..1dcbef499d6a 100644
--- a/drivers/target/target_core_alua.c
+++ b/drivers/target/target_core_alua.c
@@ -191,9 +191,10 @@ int target_emulate_set_target_port_groups(struct se_task *task)
        int alua_access_state, primary = 0, rc;
        u16 tg_pt_id, rtpi;
-        if (!l_port)
+        if (!l_port) {
-                return PYX_TRANSPORT_LU_COMM_FAILURE;
+                cmd->scsi_sense_reason = TCM_LOGICAL_UNIT_COMMUNICATION_FAILURE;
+                return -EINVAL;
+        }
        buf = transport_kmap_first_data_page(cmd);
        /*
@@ -203,7 +204,8 @@ int target_emulate_set_target_port_groups(struct se_task *task)
        l_tg_pt_gp_mem = l_port->sep_alua_tg_pt_gp_mem;
        if (!l_tg_pt_gp_mem) {
                pr_err("Unable to access l_port->sep_alua_tg_pt_gp_mem\n");
-                rc = PYX_TRANSPORT_UNKNOWN_SAM_OPCODE;
+                cmd->scsi_sense_reason = TCM_UNSUPPORTED_SCSI_OPCODE;
+                rc = -EINVAL;
                goto out;
        }
        spin_lock(&l_tg_pt_gp_mem->tg_pt_gp_mem_lock);
@@ -211,7 +213,8 @@ int target_emulate_set_target_port_groups(struct se_task *task)
        if (!l_tg_pt_gp) {
                spin_unlock(&l_tg_pt_gp_mem->tg_pt_gp_mem_lock);
                pr_err("Unable to access *l_tg_pt_gp_mem->tg_pt_gp\n");
-                rc = PYX_TRANSPORT_UNKNOWN_SAM_OPCODE;
+                cmd->scsi_sense_reason = TCM_UNSUPPORTED_SCSI_OPCODE;
+                rc = -EINVAL;
                goto out;
        }
        rc = (l_tg_pt_gp->tg_pt_gp_alua_access_type & TPGS_EXPLICT_ALUA);
@@ -220,7 +223,8 @@ int target_emulate_set_target_port_groups(struct se_task *task)
        if (!rc) {
                pr_debug("Unable to process SET_TARGET_PORT_GROUPS"
                                " while TPGS_EXPLICT_ALUA is disabled\n");
-                rc = PYX_TRANSPORT_UNKNOWN_SAM_OPCODE;
+                cmd->scsi_sense_reason = TCM_UNSUPPORTED_SCSI_OPCODE;
+                rc = -EINVAL;
                goto out;
        }
@@ -245,7 +249,8 @@ int target_emulate_set_target_port_groups(struct se_task *task)
                         * REQUEST, and the additional sense code set to INVALID
                         * FIELD IN PARAMETER LIST.
                         */
-                        rc = PYX_TRANSPORT_INVALID_PARAMETER_LIST;
+                        cmd->scsi_sense_reason = TCM_INVALID_PARAMETER_LIST;
+                        rc = -EINVAL;
                        goto out;
                }
                rc = -1;
@@ -298,7 +303,8 @@ int target_emulate_set_target_port_groups(struct se_task *task)
                         * throw an exception with ASCQ: INVALID_PARAMETER_LIST
                         */
                        if (rc != 0) {
-                                rc = PYX_TRANSPORT_INVALID_PARAMETER_LIST;
+                                cmd->scsi_sense_reason = TCM_INVALID_PARAMETER_LIST;
+                                rc = -EINVAL;
                                goto out;
                        }
                } else {
@@ -335,7 +341,8 @@ int target_emulate_set_target_port_groups(struct se_task *task)
                         * INVALID_PARAMETER_LIST
                         */
                        if (rc != 0) {
-                                rc = PYX_TRANSPORT_INVALID_PARAMETER_LIST;
+                                cmd->scsi_sense_reason = TCM_INVALID_PARAMETER_LIST;
+                                rc = -EINVAL;
                                goto out;
                        }
                }
@@ -1184,7 +1191,6 @@ void core_alua_free_lu_gp(struct t10_alua_lu_gp *lu_gp)
         * struct t10_alua_lu_gp.
         */
        spin_lock(&lu_gps_lock);
-        atomic_set(&lu_gp->lu_gp_shutdown, 1);
        list_del(&lu_gp->lu_gp_node);
        alua_lu_gps_count--;
        spin_unlock(&lu_gps_lock);
@@ -1438,7 +1444,6 @@ struct t10_alua_tg_pt_gp_member *core_alua_allocate_tg_pt_gp_mem(
        tg_pt_gp_mem->tg_pt = port;
        port->sep_alua_tg_pt_gp_mem = tg_pt_gp_mem;
-        atomic_set(&port->sep_tg_pt_gp_active, 1);
        return tg_pt_gp_mem;
 }
diff --git a/drivers/target/target_core_cdb.c b/drivers/target/target_core_cdb.c
index 683ba02b8247..831468b3163d 100644
--- a/drivers/target/target_core_cdb.c
+++ b/drivers/target/target_core_cdb.c
@@ -478,7 +478,7 @@ target_emulate_evpd_86(struct se_cmd *cmd, unsigned char *buf)
        if (cmd->data_length < 60)
                return 0;
-        buf[2] = 0x3c;
+        buf[3] = 0x3c;
        /* Set HEADSUP, ORDSUP, SIMPSUP */
        buf[5] = 0x07;
@@ -703,6 +703,7 @@ int target_emulate_inquiry(struct se_task *task)
        if (cmd->data_length < 4) {
                pr_err("SCSI Inquiry payload length: %u"
                        " too small for EVPD=1\n", cmd->data_length);
+                cmd->scsi_sense_reason = TCM_INVALID_CDB_FIELD;
                return -EINVAL;
        }
@@ -719,6 +720,7 @@ int target_emulate_inquiry(struct se_task *task)
        }
        pr_err("Unknown VPD Code: 0x%02x\n", cdb[2]);
+        cmd->scsi_sense_reason = TCM_UNSUPPORTED_SCSI_OPCODE;
        ret = -EINVAL;
 out_unmap:
@@ -969,7 +971,8 @@ int target_emulate_modesense(struct se_task *task)
        default:
                pr_err("MODE SENSE: unimplemented page/subpage: 0x%02x/0x%02x\n",
                       cdb[2] & 0x3f, cdb[3]);
-                return PYX_TRANSPORT_UNKNOWN_MODE_PAGE;
+                cmd->scsi_sense_reason = TCM_UNKNOWN_MODE_PAGE;
+                return -EINVAL;
        }
        offset += length;
@@ -1027,7 +1030,8 @@ int target_emulate_request_sense(struct se_task *task)
        if (cdb[1] & 0x01) {
                pr_err("REQUEST_SENSE description emulation not"
                        " supported\n");
-                return PYX_TRANSPORT_INVALID_CDB_FIELD;
+                cmd->scsi_sense_reason = TCM_INVALID_CDB_FIELD;
+                return -ENOSYS;
        }
        buf = transport_kmap_first_data_page(cmd);
@@ -1100,7 +1104,8 @@ int target_emulate_unmap(struct se_task *task)
        if (!dev->transport->do_discard) {
                pr_err("UNMAP emulation not supported for: %s\n",
                                dev->transport->name);
-                return PYX_TRANSPORT_UNKNOWN_SAM_OPCODE;
+                cmd->scsi_sense_reason = TCM_UNSUPPORTED_SCSI_OPCODE;
+                return -ENOSYS;
        }
        /* First UNMAP block descriptor starts at 8 byte offset */
@@ -1157,7 +1162,8 @@ int target_emulate_write_same(struct se_task *task)
        if (!dev->transport->do_discard) {
                pr_err("WRITE_SAME emulation not supported"
                                " for: %s\n", dev->transport->name);
-                return PYX_TRANSPORT_UNKNOWN_SAM_OPCODE;
+                cmd->scsi_sense_reason = TCM_UNSUPPORTED_SCSI_OPCODE;
+                return -ENOSYS;
        }
        if (cmd->t_task_cdb[0] == WRITE_SAME)
@@ -1193,11 +1199,13 @@ int target_emulate_write_same(struct se_task *task)
 int target_emulate_synchronize_cache(struct se_task *task)
 {
        struct se_device *dev = task->task_se_cmd->se_dev;
+        struct se_cmd *cmd = task->task_se_cmd;
        if (!dev->transport->do_sync_cache) {
                pr_err("SYNCHRONIZE_CACHE emulation not supported"
                        " for: %s\n", dev->transport->name);
-                return PYX_TRANSPORT_UNKNOWN_SAM_OPCODE;
+                cmd->scsi_sense_reason = TCM_UNSUPPORTED_SCSI_OPCODE;
+                return -ENOSYS;
        }
        dev->transport->do_sync_cache(task);
diff --git a/drivers/target/target_core_configfs.c b/drivers/target/target_core_configfs.c
index e0c1e8a8dd4e..93d4f6a1b798 100644
--- a/drivers/target/target_core_configfs.c
+++ b/drivers/target/target_core_configfs.c
@@ -67,9 +67,6 @@ static struct config_group target_core_hbagroup;
 static struct config_group alua_group;
 static struct config_group alua_lu_gps_group;
-static DEFINE_SPINLOCK(se_device_lock);
-static LIST_HEAD(se_dev_list);
 static inline struct se_hba *
 item_to_hba(struct config_item *item)
 {
@@ -2741,7 +2738,6 @@ static struct config_group *target_core_make_subdev(
                                " struct se_subsystem_dev\n");
                goto unlock;
        }
-        INIT_LIST_HEAD(&se_dev->se_dev_node);
        INIT_LIST_HEAD(&se_dev->t10_wwn.t10_vpd_list);
        spin_lock_init(&se_dev->t10_wwn.t10_vpd_lock);
        INIT_LIST_HEAD(&se_dev->t10_pr.registration_list);
@@ -2777,9 +2773,6 @@ static struct config_group *target_core_make_subdev(
                        " from allocate_virtdevice()\n");
                goto out;
        }
-        spin_lock(&se_device_lock);
-        list_add_tail(&se_dev->se_dev_node, &se_dev_list);
-        spin_unlock(&se_device_lock);
        config_group_init_type_name(&se_dev->se_dev_group, name,
                        &target_core_dev_cit);
@@ -2874,10 +2867,6 @@ static void target_core_drop_subdev(
        mutex_lock(&hba->hba_access_mutex);
        t = hba->transport;
-        spin_lock(&se_device_lock);
-        list_del(&se_dev->se_dev_node);
-        spin_unlock(&se_device_lock);
        dev_stat_grp = &se_dev->dev_stat_grps.stat_group;
        for (i = 0; dev_stat_grp->default_groups[i]; i++) {
                df_item = &dev_stat_grp->default_groups[i]->cg_item;
diff --git a/drivers/target/target_core_device.c b/drivers/target/target_core_device.c
index ba5edec2c5f8..9b8639425472 100644
--- a/drivers/target/target_core_device.c
+++ b/drivers/target/target_core_device.c
@@ -104,7 +104,6 @@ int transport_lookup_cmd_lun(struct se_cmd *se_cmd, u32 unpacked_lun)
                se_cmd->se_lun = deve->se_lun;
                se_cmd->pr_res_key = deve->pr_res_key;
                se_cmd->orig_fe_lun = unpacked_lun;
-                se_cmd->se_orig_obj_ptr = se_cmd->se_lun->lun_se_dev;
                se_cmd->se_cmd_flags |= SCF_SE_LUN_CMD;
        }
        spin_unlock_irqrestore(&se_sess->se_node_acl->device_list_lock, flags);
@@ -137,7 +136,6 @@ int transport_lookup_cmd_lun(struct se_cmd *se_cmd, u32 unpacked_lun)
                se_lun = &se_sess->se_tpg->tpg_virt_lun0;
                se_cmd->se_lun = &se_sess->se_tpg->tpg_virt_lun0;
                se_cmd->orig_fe_lun = 0;
-                se_cmd->se_orig_obj_ptr = se_cmd->se_lun->lun_se_dev;
                se_cmd->se_cmd_flags |= SCF_SE_LUN_CMD;
        }
        /*
@@ -200,7 +198,6 @@ int transport_lookup_tmr_lun(struct se_cmd *se_cmd, u32 unpacked_lun)
                se_lun = deve->se_lun;
                se_cmd->pr_res_key = deve->pr_res_key;
                se_cmd->orig_fe_lun = unpacked_lun;
-                se_cmd->se_orig_obj_ptr = se_cmd->se_dev;
        }
        spin_unlock_irqrestore(&se_sess->se_node_acl->device_list_lock, flags);
@@ -708,7 +705,7 @@ done:
        se_task->task_scsi_status = GOOD;
        transport_complete_task(se_task, 1);
-        return PYX_TRANSPORT_SENT_TO_TRANSPORT;
+        return 0;
 }
 /*      se_release_device_for_hba():
@@ -957,8 +954,12 @@ int se_dev_set_emulate_dpo(struct se_device *dev, int flag)
                return -EINVAL;
        }
-        pr_err("dpo_emulated not supported\n");
+        if (flag) {
-        return -EINVAL;
+                pr_err("dpo_emulated not supported\n");
+                return -EINVAL;
+        }
+        return 0;
 }
 int se_dev_set_emulate_fua_write(struct se_device *dev, int flag)
@@ -968,7 +969,7 @@ int se_dev_set_emulate_fua_write(struct se_device *dev, int flag)
                return -EINVAL;
        }
-        if (dev->transport->fua_write_emulated == 0) {
+        if (flag && dev->transport->fua_write_emulated == 0) {
                pr_err("fua_write_emulated not supported\n");
                return -EINVAL;
        }
@@ -985,8 +986,12 @@ int se_dev_set_emulate_fua_read(struct se_device *dev, int flag)
                return -EINVAL;
        }
-        pr_err("ua read emulated not supported\n");
+        if (flag) {
-        return -EINVAL;
+                pr_err("ua read emulated not supported\n");
+                return -EINVAL;
+        }
+        return 0;
 }
 int se_dev_set_emulate_write_cache(struct se_device *dev, int flag)
@@ -995,7 +1000,7 @@ int se_dev_set_emulate_write_cache(struct se_device *dev, int flag)
                pr_err("Illegal value %d\n", flag);
                return -EINVAL;
        }
-        if (dev->transport->write_cache_emulated == 0) {
+        if (flag && dev->transport->write_cache_emulated == 0) {
                pr_err("write_cache_emulated not supported\n");
                return -EINVAL;
        }
@@ -1056,7 +1061,7 @@ int se_dev_set_emulate_tpu(struct se_device *dev, int flag)
         * We expect this value to be non-zero when generic Block Layer
         * Discard supported is detected iblock_create_virtdevice().
         */
-        if (!dev->se_sub_dev->se_dev_attrib.max_unmap_block_desc_count) {
+        if (flag && !dev->se_sub_dev->se_dev_attrib.max_unmap_block_desc_count) {
                pr_err("Generic Block Discard not supported\n");
                return -ENOSYS;
        }
@@ -1077,7 +1082,7 @@ int se_dev_set_emulate_tpws(struct se_device *dev, int flag)
         * We expect this value to be non-zero when generic Block Layer
         * Discard supported is detected iblock_create_virtdevice().
         */
-        if (!dev->se_sub_dev->se_dev_attrib.max_unmap_block_desc_count) {
+        if (flag && !dev->se_sub_dev->se_dev_attrib.max_unmap_block_desc_count) {
                pr_err("Generic Block Discard not supported\n");
                return -ENOSYS;
        }
@@ -1587,7 +1592,6 @@ int core_dev_setup_virtual_lun0(void)
                ret = -ENOMEM;
                goto out;
        }
-        INIT_LIST_HEAD(&se_dev->se_dev_node);
        INIT_LIST_HEAD(&se_dev->t10_wwn.t10_vpd_list);
        spin_lock_init(&se_dev->t10_wwn.t10_vpd_lock);
        INIT_LIST_HEAD(&se_dev->t10_pr.registration_list);
diff --git a/drivers/target/target_core_file.c b/drivers/target/target_core_file.c
index 67cd6fe05bfa..b4864fba4ef0 100644
--- a/drivers/target/target_core_file.c
+++ b/drivers/target/target_core_file.c
@@ -289,9 +289,9 @@ static int fd_do_readv(struct se_task *task)
                return -ENOMEM;
        }
-        for (i = 0; i < task->task_sg_nents; i++) {
+        for_each_sg(task->task_sg, sg, task->task_sg_nents, i) {
-                iov[i].iov_len = sg[i].length;
+                iov[i].iov_len = sg->length;
-                iov[i].iov_base = sg_virt(&sg[i]);
+                iov[i].iov_base = sg_virt(sg);
        }
        old_fs = get_fs();
@@ -342,9 +342,9 @@ static int fd_do_writev(struct se_task *task)
                return -ENOMEM;
        }
-        for (i = 0; i < task->task_sg_nents; i++) {
+        for_each_sg(task->task_sg, sg, task->task_sg_nents, i) {
-                iov[i].iov_len = sg[i].length;
+                iov[i].iov_len = sg->length;
-                iov[i].iov_base = sg_virt(&sg[i]);
+                iov[i].iov_base = sg_virt(sg);
        }
        old_fs = get_fs();
@@ -438,7 +438,7 @@ static int fd_do_task(struct se_task *task)
                if (ret > 0 &&
                    dev->se_sub_dev->se_dev_attrib.emulate_write_cache > 0 &&
                    dev->se_sub_dev->se_dev_attrib.emulate_fua_write > 0 &&
-                    cmd->t_tasks_fua) {
+                    (cmd->se_cmd_flags & SCF_FUA)) {
                        /*
                         * We might need to be a bit smarter here
                         * and return some sense data to let the initiator
@@ -449,13 +449,15 @@ static int fd_do_task(struct se_task *task)
        }
-        if (ret < 0)
+        if (ret < 0) {
+                cmd->scsi_sense_reason = TCM_LOGICAL_UNIT_COMMUNICATION_FAILURE;
                return ret;
+        }
        if (ret) {
                task->task_scsi_status = GOOD;
                transport_complete_task(task, 1);
        }
-        return PYX_TRANSPORT_SENT_TO_TRANSPORT;
+        return 0;
 }
 /*      fd_free_task(): (Part of se_subsystem_api_t template)
diff --git a/drivers/target/target_core_iblock.c b/drivers/target/target_core_iblock.c
index 7698efe29262..4aa992204438 100644
--- a/drivers/target/target_core_iblock.c
+++ b/drivers/target/target_core_iblock.c
@@ -531,7 +531,7 @@ static int iblock_do_task(struct se_task *task)
                 */
                if (dev->se_sub_dev->se_dev_attrib.emulate_write_cache == 0 ||
                    (dev->se_sub_dev->se_dev_attrib.emulate_fua_write > 0 &&
-                     task->task_se_cmd->t_tasks_fua))
+                     (cmd->se_cmd_flags & SCF_FUA)))
                        rw = WRITE_FUA;
                else
                        rw = WRITE;
@@ -554,12 +554,15 @@ static int iblock_do_task(struct se_task *task)
        else {
                pr_err("Unsupported SCSI -> BLOCK LBA conversion:"
                                " %u\n", dev->se_sub_dev->se_dev_attrib.block_size);
-                return PYX_TRANSPORT_LU_COMM_FAILURE;
+                cmd->scsi_sense_reason = TCM_LOGICAL_UNIT_COMMUNICATION_FAILURE;
+                return -ENOSYS;
        }
        bio = iblock_get_bio(task, block_lba, sg_num);
-        if (!bio)
+        if (!bio) {
-                return PYX_TRANSPORT_OUT_OF_MEMORY_RESOURCES;
+                cmd->scsi_sense_reason = TCM_LOGICAL_UNIT_COMMUNICATION_FAILURE;
+                return -ENOMEM;
+        }
        bio_list_init(&list);
        bio_list_add(&list, bio);
@@ -588,12 +591,13 @@ static int iblock_do_task(struct se_task *task)
                submit_bio(rw, bio);
        blk_finish_plug(&plug);
-        return PYX_TRANSPORT_SENT_TO_TRANSPORT;
+        return 0;
 fail:
        while ((bio = bio_list_pop(&list)))
                bio_put(bio);
-        return PYX_TRANSPORT_OUT_OF_MEMORY_RESOURCES;
+        cmd->scsi_sense_reason = TCM_LOGICAL_UNIT_COMMUNICATION_FAILURE;
+        return -ENOMEM;
 }
 static u32 iblock_get_device_rev(struct se_device *dev)
diff --git a/drivers/target/target_core_pr.c b/drivers/target/target_core_pr.c
index 5a4ebfc3a54f..95dee7074aeb 100644
--- a/drivers/target/target_core_pr.c
+++ b/drivers/target/target_core_pr.c
@@ -191,7 +191,7 @@ static int target_check_scsi2_reservation_conflict(struct se_cmd *cmd, int *ret)
                pr_err("Received legacy SPC-2 RESERVE/RELEASE"
                        " while active SPC-3 registrations exist,"
                        " returning RESERVATION_CONFLICT\n");
-                *ret = PYX_TRANSPORT_RESERVATION_CONFLICT;
+                cmd->scsi_sense_reason = TCM_RESERVATION_CONFLICT;
                return true;
        }
@@ -252,7 +252,8 @@ int target_scsi2_reservation_reserve(struct se_task *task)
            (cmd->t_task_cdb[1] & 0x02)) {
                pr_err("LongIO and Obselete Bits set, returning"
                                " ILLEGAL_REQUEST\n");
-                ret = PYX_TRANSPORT_ILLEGAL_REQUEST;
+                cmd->scsi_sense_reason = TCM_UNSUPPORTED_SCSI_OPCODE;
+                ret = -EINVAL;
                goto out;
        }
        /*
@@ -277,7 +278,8 @@ int target_scsi2_reservation_reserve(struct se_task *task)
                        " from %s \n", cmd->se_lun->unpacked_lun,
                        cmd->se_deve->mapped_lun,
                        sess->se_node_acl->initiatorname);
-                ret = PYX_TRANSPORT_RESERVATION_CONFLICT;
+                cmd->scsi_sense_reason = TCM_RESERVATION_CONFLICT;
+                ret = -EINVAL;
                goto out_unlock;
        }
@@ -1510,7 +1512,8 @@ static int core_scsi3_decode_spec_i_port(
        tidh_new = kzalloc(sizeof(struct pr_transport_id_holder), GFP_KERNEL);
        if (!tidh_new) {
                pr_err("Unable to allocate tidh_new\n");
-                return PYX_TRANSPORT_LU_COMM_FAILURE;
+                cmd->scsi_sense_reason = TCM_LOGICAL_UNIT_COMMUNICATION_FAILURE;
+                return -EINVAL;
        }
        INIT_LIST_HEAD(&tidh_new->dest_list);
        tidh_new->dest_tpg = tpg;
@@ -1522,7 +1525,8 @@ static int core_scsi3_decode_spec_i_port(
                                sa_res_key, all_tg_pt, aptpl);
        if (!local_pr_reg) {
                kfree(tidh_new);
-                return PYX_TRANSPORT_LU_COMM_FAILURE;
+                cmd->scsi_sense_reason = TCM_LOGICAL_UNIT_COMMUNICATION_FAILURE;
+                return -ENOMEM;
        }
        tidh_new->dest_pr_reg = local_pr_reg;
        /*
@@ -1548,7 +1552,8 @@ static int core_scsi3_decode_spec_i_port(
                pr_err("SPC-3 PR: Illegal tpdl: %u + 28 byte header"
                        " does not equal CDB data_length: %u\n", tpdl,
                        cmd->data_length);
-                ret = PYX_TRANSPORT_INVALID_PARAMETER_LIST;
+                cmd->scsi_sense_reason = TCM_INVALID_PARAMETER_LIST;
+                ret = -EINVAL;
                goto out;
        }
        /*
@@ -1598,7 +1603,9 @@ static int core_scsi3_decode_spec_i_port(
                                        " for tmp_tpg\n");
                                atomic_dec(&tmp_tpg->tpg_pr_ref_count);
                                smp_mb__after_atomic_dec();
-                                ret = PYX_TRANSPORT_LU_COMM_FAILURE;
+                                cmd->scsi_sense_reason =
+                                        TCM_LOGICAL_UNIT_COMMUNICATION_FAILURE;
+                                ret = -EINVAL;
                                goto out;
                        }
                        /*
@@ -1628,7 +1635,9 @@ static int core_scsi3_decode_spec_i_port(
                                atomic_dec(&dest_node_acl->acl_pr_ref_count);
                                smp_mb__after_atomic_dec();
                                core_scsi3_tpg_undepend_item(tmp_tpg);
-                                ret = PYX_TRANSPORT_LU_COMM_FAILURE;
+                                cmd->scsi_sense_reason =
+                                        TCM_LOGICAL_UNIT_COMMUNICATION_FAILURE;
+                                ret = -EINVAL;
                                goto out;
                        }
@@ -1646,7 +1655,8 @@ static int core_scsi3_decode_spec_i_port(
                if (!dest_tpg) {
                        pr_err("SPC-3 PR SPEC_I_PT: Unable to locate"
                                        " dest_tpg\n");
-                        ret = PYX_TRANSPORT_INVALID_PARAMETER_LIST;
+                        cmd->scsi_sense_reason = TCM_INVALID_PARAMETER_LIST;
+                        ret = -EINVAL;
                        goto out;
                }
 #if 0
@@ -1660,7 +1670,8 @@ static int core_scsi3_decode_spec_i_port(
                                " %u for Transport ID: %s\n", tid_len, ptr);
                        core_scsi3_nodeacl_undepend_item(dest_node_acl);
                        core_scsi3_tpg_undepend_item(dest_tpg);
-                        ret = PYX_TRANSPORT_INVALID_PARAMETER_LIST;
+                        cmd->scsi_sense_reason = TCM_INVALID_PARAMETER_LIST;
+                        ret = -EINVAL;
                        goto out;
                }
                /*
@@ -1678,7 +1689,8 @@ static int core_scsi3_decode_spec_i_port(
                        core_scsi3_nodeacl_undepend_item(dest_node_acl);
                        core_scsi3_tpg_undepend_item(dest_tpg);
-                        ret = PYX_TRANSPORT_INVALID_PARAMETER_LIST;
+                        cmd->scsi_sense_reason = TCM_INVALID_PARAMETER_LIST;
+                        ret = -EINVAL;
                        goto out;
                }
@@ -1690,7 +1702,9 @@ static int core_scsi3_decode_spec_i_port(
                        smp_mb__after_atomic_dec();
                        core_scsi3_nodeacl_undepend_item(dest_node_acl);
                        core_scsi3_tpg_undepend_item(dest_tpg);
-                        ret = PYX_TRANSPORT_LU_COMM_FAILURE;
+                        cmd->scsi_sense_reason =
+                                TCM_LOGICAL_UNIT_COMMUNICATION_FAILURE;
+                        ret = -EINVAL;
                        goto out;
                }
 #if 0
@@ -1727,7 +1741,9 @@ static int core_scsi3_decode_spec_i_port(
                        core_scsi3_lunacl_undepend_item(dest_se_deve);
                        core_scsi3_nodeacl_undepend_item(dest_node_acl);
                        core_scsi3_tpg_undepend_item(dest_tpg);
-                        ret = PYX_TRANSPORT_LU_COMM_FAILURE;
+                        cmd->scsi_sense_reason =
+                                TCM_LOGICAL_UNIT_COMMUNICATION_FAILURE;
+                        ret = -ENOMEM;
                        goto out;
                }
                INIT_LIST_HEAD(&tidh_new->dest_list);
@@ -1759,7 +1775,8 @@ static int core_scsi3_decode_spec_i_port(
                        core_scsi3_nodeacl_undepend_item(dest_node_acl);
                        core_scsi3_tpg_undepend_item(dest_tpg);
                        kfree(tidh_new);
-                        ret = PYX_TRANSPORT_INVALID_PARAMETER_LIST;
+                        cmd->scsi_sense_reason = TCM_INVALID_PARAMETER_LIST;
+                        ret = -EINVAL;
                        goto out;
                }
                tidh_new->dest_pr_reg = dest_pr_reg;
@@ -2098,7 +2115,8 @@ static int core_scsi3_emulate_pro_register(
        if (!se_sess || !se_lun) {
                pr_err("SPC-3 PR: se_sess || struct se_lun is NULL!\n");
-                return PYX_TRANSPORT_LU_COMM_FAILURE;
+                cmd->scsi_sense_reason = TCM_LOGICAL_UNIT_COMMUNICATION_FAILURE;
+                return -EINVAL;
        }
        se_tpg = se_sess->se_tpg;
        se_deve = &se_sess->se_node_acl->device_list[cmd->orig_fe_lun];
@@ -2117,13 +2135,14 @@ static int core_scsi3_emulate_pro_register(
                if (res_key) {
                        pr_warn("SPC-3 PR: Reservation Key non-zero"
                                " for SA REGISTER, returning CONFLICT\n");
-                        return PYX_TRANSPORT_RESERVATION_CONFLICT;
+                        cmd->scsi_sense_reason = TCM_RESERVATION_CONFLICT;
+                        return -EINVAL;
                }
                /*
                 * Do nothing but return GOOD status.
                 */
                if (!sa_res_key)
-                        return PYX_TRANSPORT_SENT_TO_TRANSPORT;
+                        return 0;
                if (!spec_i_pt) {
                        /*
@@ -2138,7 +2157,8 @@ static int core_scsi3_emulate_pro_register(
                        if (ret != 0) {
                                pr_err("Unable to allocate"
                                        " struct t10_pr_registration\n");
-                                return PYX_TRANSPORT_INVALID_PARAMETER_LIST;
+                                cmd->scsi_sense_reason = TCM_INVALID_PARAMETER_LIST;
+                                return -EINVAL;
                        }
                } else {
                        /*
@@ -2197,14 +2217,16 @@ static int core_scsi3_emulate_pro_register(
                                        " 0x%016Lx\n", res_key,
                                        pr_reg->pr_res_key);
                                core_scsi3_put_pr_reg(pr_reg);
-                                return PYX_TRANSPORT_RESERVATION_CONFLICT;
+                                cmd->scsi_sense_reason = TCM_RESERVATION_CONFLICT;
+                                return -EINVAL;
                        }
                }
                if (spec_i_pt) {
                        pr_err("SPC-3 PR UNREGISTER: SPEC_I_PT"
                                " set while sa_res_key=0\n");
                        core_scsi3_put_pr_reg(pr_reg);
-                        return PYX_TRANSPORT_INVALID_PARAMETER_LIST;
+                        cmd->scsi_sense_reason = TCM_INVALID_PARAMETER_LIST;
+                        return -EINVAL;
                }
                /*
                 * An existing ALL_TG_PT=1 registration being released
@@ -2215,7 +2237,8 @@ static int core_scsi3_emulate_pro_register(
                                " registration exists, but ALL_TG_PT=1 bit not"
                                " present in received PROUT\n");
                        core_scsi3_put_pr_reg(pr_reg);
-                        return PYX_TRANSPORT_INVALID_CDB_FIELD;
+                        cmd->scsi_sense_reason = TCM_INVALID_CDB_FIELD;
+                        return -EINVAL;
                }
                /*
                 * Allocate APTPL metadata buffer used for UNREGISTER ops
@@ -2227,7 +2250,9 @@ static int core_scsi3_emulate_pro_register(
                                pr_err("Unable to allocate"
                                        " pr_aptpl_buf\n");
                                core_scsi3_put_pr_reg(pr_reg);
-                                return PYX_TRANSPORT_LU_COMM_FAILURE;
+                                cmd->scsi_sense_reason =
+                                        TCM_LOGICAL_UNIT_COMMUNICATION_FAILURE;
+                                return -EINVAL;
                        }
                }
                /*
@@ -2241,7 +2266,8 @@ static int core_scsi3_emulate_pro_register(
                        if (pr_holder < 0) {
                                kfree(pr_aptpl_buf);
                                core_scsi3_put_pr_reg(pr_reg);
-                                return PYX_TRANSPORT_RESERVATION_CONFLICT;
+                                cmd->scsi_sense_reason = TCM_RESERVATION_CONFLICT;
+                                return -EINVAL;
                        }
                        spin_lock(&pr_tmpl->registration_lock);
@@ -2405,7 +2431,8 @@ static int core_scsi3_pro_reserve(
        if (!se_sess || !se_lun) {
                pr_err("SPC-3 PR: se_sess || struct se_lun is NULL!\n");
-                return PYX_TRANSPORT_LU_COMM_FAILURE;
+                cmd->scsi_sense_reason = TCM_LOGICAL_UNIT_COMMUNICATION_FAILURE;
+                return -EINVAL;
        }
        se_tpg = se_sess->se_tpg;
        se_deve = &se_sess->se_node_acl->device_list[cmd->orig_fe_lun];
@@ -2417,7 +2444,8 @@ static int core_scsi3_pro_reserve(
        if (!pr_reg) {
                pr_err("SPC-3 PR: Unable to locate"
                        " PR_REGISTERED *pr_reg for RESERVE\n");
-                return PYX_TRANSPORT_LU_COMM_FAILURE;
+                cmd->scsi_sense_reason = TCM_LOGICAL_UNIT_COMMUNICATION_FAILURE;
+                return -EINVAL;
        }
        /*
         * From spc4r17 Section 5.7.9: Reserving:
@@ -2433,7 +2461,8 @@ static int core_scsi3_pro_reserve(
                        " does not match existing SA REGISTER res_key:"
                        " 0x%016Lx\n", res_key, pr_reg->pr_res_key);
                core_scsi3_put_pr_reg(pr_reg);
-                return PYX_TRANSPORT_RESERVATION_CONFLICT;
+                cmd->scsi_sense_reason = TCM_RESERVATION_CONFLICT;
+                return -EINVAL;
        }
        /*
         * From spc4r17 Section 5.7.9: Reserving:
@@ -2448,7 +2477,8 @@ static int core_scsi3_pro_reserve(
        if (scope != PR_SCOPE_LU_SCOPE) {
                pr_err("SPC-3 PR: Illegal SCOPE: 0x%02x\n", scope);
                core_scsi3_put_pr_reg(pr_reg);
-                return PYX_TRANSPORT_INVALID_PARAMETER_LIST;
+                cmd->scsi_sense_reason = TCM_INVALID_PARAMETER_LIST;
+                return -EINVAL;
        }
        /*
         * See if we have an existing PR reservation holder pointer at
@@ -2480,7 +2510,8 @@ static int core_scsi3_pro_reserve(
                        spin_unlock(&dev->dev_reservation_lock);
                        core_scsi3_put_pr_reg(pr_reg);
-                        return PYX_TRANSPORT_RESERVATION_CONFLICT;
+                        cmd->scsi_sense_reason = TCM_RESERVATION_CONFLICT;
+                        return -EINVAL;
                }
                /*
                 * From spc4r17 Section 5.7.9: Reserving:
@@ -2503,7 +2534,8 @@ static int core_scsi3_pro_reserve(
                        spin_unlock(&dev->dev_reservation_lock);
                        core_scsi3_put_pr_reg(pr_reg);
-                        return PYX_TRANSPORT_RESERVATION_CONFLICT;
+                        cmd->scsi_sense_reason = TCM_RESERVATION_CONFLICT;
+                        return -EINVAL;
                }
                /*
                 * From spc4r17 Section 5.7.9: Reserving:
@@ -2517,7 +2549,7 @@ static int core_scsi3_pro_reserve(
                 */
                spin_unlock(&dev->dev_reservation_lock);
                core_scsi3_put_pr_reg(pr_reg);
-                return PYX_TRANSPORT_SENT_TO_TRANSPORT;
+                return 0;
        }
        /*
         * Otherwise, our *pr_reg becomes the PR reservation holder for said
@@ -2574,7 +2606,8 @@ static int core_scsi3_emulate_pro_reserve(
        default:
                pr_err("SPC-3 PR: Unknown Service Action RESERVE Type:"
                        " 0x%02x\n", type);
-                return PYX_TRANSPORT_INVALID_CDB_FIELD;
+                cmd->scsi_sense_reason = TCM_INVALID_CDB_FIELD;
+                return -EINVAL;
        }
        return ret;
@@ -2630,7 +2663,8 @@ static int core_scsi3_emulate_pro_release(
        if (!se_sess || !se_lun) {
                pr_err("SPC-3 PR: se_sess || struct se_lun is NULL!\n");
-                return PYX_TRANSPORT_LU_COMM_FAILURE;
+                cmd->scsi_sense_reason = TCM_LOGICAL_UNIT_COMMUNICATION_FAILURE;
+                return -EINVAL;
        }
        /*
         * Locate the existing *pr_reg via struct se_node_acl pointers
@@ -2639,7 +2673,8 @@ static int core_scsi3_emulate_pro_release(
        if (!pr_reg) {
                pr_err("SPC-3 PR: Unable to locate"
                        " PR_REGISTERED *pr_reg for RELEASE\n");
-                return PYX_TRANSPORT_LU_COMM_FAILURE;
+                cmd->scsi_sense_reason = TCM_LOGICAL_UNIT_COMMUNICATION_FAILURE;
+                return -EINVAL;
        }
        /*
         * From spc4r17 Section 5.7.11.2 Releasing:
@@ -2661,7 +2696,7 @@ static int core_scsi3_emulate_pro_release(
                 */
                spin_unlock(&dev->dev_reservation_lock);
                core_scsi3_put_pr_reg(pr_reg);
-                return PYX_TRANSPORT_SENT_TO_TRANSPORT;
+                return 0;
        }
        if ((pr_res_holder->pr_res_type == PR_TYPE_WRITE_EXCLUSIVE_ALLREG) ||
            (pr_res_holder->pr_res_type == PR_TYPE_EXCLUSIVE_ACCESS_ALLREG))
@@ -2675,7 +2710,7 @@ static int core_scsi3_emulate_pro_release(
                 */
                spin_unlock(&dev->dev_reservation_lock);
                core_scsi3_put_pr_reg(pr_reg);
-                return PYX_TRANSPORT_SENT_TO_TRANSPORT;
+                return 0;
        }
        /*
         * From spc4r17 Section 5.7.11.2 Releasing:
@@ -2697,7 +2732,8 @@ static int core_scsi3_emulate_pro_release(
                        " 0x%016Lx\n", res_key, pr_reg->pr_res_key);
                spin_unlock(&dev->dev_reservation_lock);
                core_scsi3_put_pr_reg(pr_reg);
-                return PYX_TRANSPORT_RESERVATION_CONFLICT;
+                cmd->scsi_sense_reason = TCM_RESERVATION_CONFLICT;
+                return -EINVAL;
        }
        /*
         * From spc4r17 Section 5.7.11.2 Releasing and above:
@@ -2719,7 +2755,8 @@ static int core_scsi3_emulate_pro_release(
                spin_unlock(&dev->dev_reservation_lock);
                core_scsi3_put_pr_reg(pr_reg);
-                return PYX_TRANSPORT_RESERVATION_CONFLICT;
+                cmd->scsi_sense_reason = TCM_RESERVATION_CONFLICT;
+                return -EINVAL;
        }
        /*
         * In response to a persistent reservation release request from the
@@ -2802,7 +2839,8 @@ static int core_scsi3_emulate_pro_clear(
        if (!pr_reg_n) {
                pr_err("SPC-3 PR: Unable to locate"
                        " PR_REGISTERED *pr_reg for CLEAR\n");
-                        return PYX_TRANSPORT_LU_COMM_FAILURE;
+                cmd->scsi_sense_reason = TCM_LOGICAL_UNIT_COMMUNICATION_FAILURE;
+                return -EINVAL;
        }
        /*
         * From spc4r17 section 5.7.11.6, Clearing:
@@ -2821,7 +2859,8 @@ static int core_scsi3_emulate_pro_clear(
                        " existing SA REGISTER res_key:"
                        " 0x%016Lx\n", res_key, pr_reg_n->pr_res_key);
                core_scsi3_put_pr_reg(pr_reg_n);
-                return PYX_TRANSPORT_RESERVATION_CONFLICT;
+                cmd->scsi_sense_reason = TCM_RESERVATION_CONFLICT;
+                return -EINVAL;
        }
        /*
         * a) Release the persistent reservation, if any;
@@ -2979,8 +3018,10 @@ static int core_scsi3_pro_preempt(
        int all_reg = 0, calling_it_nexus = 0, released_regs = 0;
        int prh_type = 0, prh_scope = 0, ret;
-        if (!se_sess)
+        if (!se_sess) {
-                return PYX_TRANSPORT_LU_COMM_FAILURE;
+                cmd->scsi_sense_reason = TCM_LOGICAL_UNIT_COMMUNICATION_FAILURE;
+                return -EINVAL;
+        }
        se_deve = &se_sess->se_node_acl->device_list[cmd->orig_fe_lun];
        pr_reg_n = core_scsi3_locate_pr_reg(cmd->se_dev, se_sess->se_node_acl,
@@ -2989,16 +3030,19 @@ static int core_scsi3_pro_preempt(
                pr_err("SPC-3 PR: Unable to locate"
                        " PR_REGISTERED *pr_reg for PREEMPT%s\n",
                        (abort) ? "_AND_ABORT" : "");
-                return PYX_TRANSPORT_RESERVATION_CONFLICT;
+                cmd->scsi_sense_reason = TCM_RESERVATION_CONFLICT;
+                return -EINVAL;
        }
        if (pr_reg_n->pr_res_key != res_key) {
                core_scsi3_put_pr_reg(pr_reg_n);
-                return PYX_TRANSPORT_RESERVATION_CONFLICT;
+                cmd->scsi_sense_reason = TCM_RESERVATION_CONFLICT;
+                return -EINVAL;
        }
        if (scope != PR_SCOPE_LU_SCOPE) {
                pr_err("SPC-3 PR: Illegal SCOPE: 0x%02x\n", scope);
                core_scsi3_put_pr_reg(pr_reg_n);
-                return PYX_TRANSPORT_INVALID_PARAMETER_LIST;
+                cmd->scsi_sense_reason = TCM_INVALID_PARAMETER_LIST;
+                return -EINVAL;
        }
        INIT_LIST_HEAD(&preempt_and_abort_list);
@@ -3012,7 +3056,8 @@ static int core_scsi3_pro_preempt(
        if (!all_reg && !sa_res_key) {
                spin_unlock(&dev->dev_reservation_lock);
                core_scsi3_put_pr_reg(pr_reg_n);
-                return PYX_TRANSPORT_INVALID_PARAMETER_LIST;
+                cmd->scsi_sense_reason = TCM_INVALID_PARAMETER_LIST;
+                return -EINVAL;
        }
        /*
         * From spc4r17, section 5.7.11.4.4 Removing Registrations:
@@ -3106,7 +3151,8 @@ static int core_scsi3_pro_preempt(
                if (!released_regs) {
                        spin_unlock(&dev->dev_reservation_lock);
                        core_scsi3_put_pr_reg(pr_reg_n);
-                        return PYX_TRANSPORT_RESERVATION_CONFLICT;
+                        cmd->scsi_sense_reason = TCM_RESERVATION_CONFLICT;
+                        return -EINVAL;
                }
                /*
                 * For an existing all registrants type reservation
@@ -3297,7 +3343,8 @@ static int core_scsi3_emulate_pro_preempt(
        default:
                pr_err("SPC-3 PR: Unknown Service Action PREEMPT%s"
                        " Type: 0x%02x\n", (abort) ? "_AND_ABORT" : "", type);
-                return PYX_TRANSPORT_INVALID_CDB_FIELD;
+                cmd->scsi_sense_reason = TCM_INVALID_CDB_FIELD;
+                return -EINVAL;
        }
        return ret;
@@ -3331,7 +3378,8 @@ static int core_scsi3_emulate_pro_register_and_move(
        if (!se_sess || !se_lun) {
                pr_err("SPC-3 PR: se_sess || struct se_lun is NULL!\n");
-                return PYX_TRANSPORT_LU_COMM_FAILURE;
+                cmd->scsi_sense_reason = TCM_LOGICAL_UNIT_COMMUNICATION_FAILURE;
+                return -EINVAL;
        }
        memset(dest_iport, 0, 64);
        memset(i_buf, 0, PR_REG_ISID_ID_LEN);
@@ -3349,7 +3397,8 @@ static int core_scsi3_emulate_pro_register_and_move(
        if (!pr_reg) {
                pr_err("SPC-3 PR: Unable to locate PR_REGISTERED"
                        " *pr_reg for REGISTER_AND_MOVE\n");
-                return PYX_TRANSPORT_LU_COMM_FAILURE;
+                cmd->scsi_sense_reason = TCM_LOGICAL_UNIT_COMMUNICATION_FAILURE;
+                return -EINVAL;
        }
        /*
         * The provided reservation key much match the existing reservation key
@@ -3360,7 +3409,8 @@ static int core_scsi3_emulate_pro_register_and_move(
                        " res_key: 0x%016Lx does not match existing SA REGISTER"
                        " res_key: 0x%016Lx\n", res_key, pr_reg->pr_res_key);
                core_scsi3_put_pr_reg(pr_reg);
-                return PYX_TRANSPORT_RESERVATION_CONFLICT;
+                cmd->scsi_sense_reason = TCM_RESERVATION_CONFLICT;
+                return -EINVAL;
        }
        /*
         * The service active reservation key needs to be non zero
@@ -3369,7 +3419,8 @@ static int core_scsi3_emulate_pro_register_and_move(
                pr_warn("SPC-3 PR REGISTER_AND_MOVE: Received zero"
                        " sa_res_key\n");
                core_scsi3_put_pr_reg(pr_reg);
-                return PYX_TRANSPORT_INVALID_PARAMETER_LIST;
+                cmd->scsi_sense_reason = TCM_INVALID_PARAMETER_LIST;
+                return -EINVAL;
        }
        /*
@@ -3392,7 +3443,8 @@ static int core_scsi3_emulate_pro_register_and_move(
                        " does not equal CDB data_length: %u\n", tid_len,
                        cmd->data_length);
                core_scsi3_put_pr_reg(pr_reg);
-                return PYX_TRANSPORT_INVALID_PARAMETER_LIST;
+                cmd->scsi_sense_reason = TCM_INVALID_PARAMETER_LIST;
+                return -EINVAL;
        }
        spin_lock(&dev->se_port_lock);
@@ -3417,7 +3469,8 @@ static int core_scsi3_emulate_pro_register_and_move(
                        atomic_dec(&dest_se_tpg->tpg_pr_ref_count);
                        smp_mb__after_atomic_dec();
                        core_scsi3_put_pr_reg(pr_reg);
-                        return PYX_TRANSPORT_LU_COMM_FAILURE;
+                        cmd->scsi_sense_reason = TCM_LOGICAL_UNIT_COMMUNICATION_FAILURE;
+                        return -EINVAL;
                }
                spin_lock(&dev->se_port_lock);
@@ -3430,7 +3483,8 @@ static int core_scsi3_emulate_pro_register_and_move(
                        " fabric ops from Relative Target Port Identifier:"
                        " %hu\n", rtpi);
                core_scsi3_put_pr_reg(pr_reg);
-                return PYX_TRANSPORT_INVALID_PARAMETER_LIST;
+                cmd->scsi_sense_reason = TCM_INVALID_PARAMETER_LIST;
+                return -EINVAL;
        }
        buf = transport_kmap_first_data_page(cmd);
@@ -3445,14 +3499,16 @@ static int core_scsi3_emulate_pro_register_and_move(
                        " from fabric: %s\n", proto_ident,
                        dest_tf_ops->get_fabric_proto_ident(dest_se_tpg),
                        dest_tf_ops->get_fabric_name());
-                ret = PYX_TRANSPORT_INVALID_PARAMETER_LIST;
+                cmd->scsi_sense_reason = TCM_INVALID_PARAMETER_LIST;
+                ret = -EINVAL;
                goto out;
        }
        if (dest_tf_ops->tpg_parse_pr_out_transport_id == NULL) {
                pr_err("SPC-3 PR REGISTER_AND_MOVE: Fabric does not"
                        " containg a valid tpg_parse_pr_out_transport_id"
                        " function pointer\n");
-                ret = PYX_TRANSPORT_LU_COMM_FAILURE;
+                cmd->scsi_sense_reason = TCM_LOGICAL_UNIT_COMMUNICATION_FAILURE;
+                ret = -EINVAL;
                goto out;
        }
        initiator_str = dest_tf_ops->tpg_parse_pr_out_transport_id(dest_se_tpg,
@@ -3460,7 +3516,8 @@ static int core_scsi3_emulate_pro_register_and_move(
        if (!initiator_str) {
                pr_err("SPC-3 PR REGISTER_AND_MOVE: Unable to locate"
                        " initiator_str from Transport ID\n");
-                ret = PYX_TRANSPORT_INVALID_PARAMETER_LIST;
+                cmd->scsi_sense_reason = TCM_INVALID_PARAMETER_LIST;
+                ret = -EINVAL;
                goto out;
        }
@@ -3489,7 +3546,8 @@ static int core_scsi3_emulate_pro_register_and_move(
                pr_err("SPC-3 PR REGISTER_AND_MOVE: TransportID: %s"
                        " matches: %s on received I_T Nexus\n", initiator_str,
                        pr_reg_nacl->initiatorname);
-                ret = PYX_TRANSPORT_INVALID_PARAMETER_LIST;
+                cmd->scsi_sense_reason = TCM_INVALID_PARAMETER_LIST;
+                ret = -EINVAL;
                goto out;
        }
        if (!strcmp(iport_ptr, pr_reg->pr_reg_isid)) {
@@ -3497,7 +3555,8 @@ static int core_scsi3_emulate_pro_register_and_move(
                        " matches: %s %s on received I_T Nexus\n",
                        initiator_str, iport_ptr, pr_reg_nacl->initiatorname,
                        pr_reg->pr_reg_isid);
-                ret = PYX_TRANSPORT_INVALID_PARAMETER_LIST;
+                cmd->scsi_sense_reason = TCM_INVALID_PARAMETER_LIST;
+                ret = -EINVAL;
                goto out;
        }
 after_iport_check:
@@ -3517,7 +3576,8 @@ after_iport_check:
                pr_err("Unable to locate %s dest_node_acl for"
                        " TransportID%s\n", dest_tf_ops->get_fabric_name(),
                        initiator_str);
-                ret = PYX_TRANSPORT_INVALID_PARAMETER_LIST;
+                cmd->scsi_sense_reason = TCM_INVALID_PARAMETER_LIST;
+                ret = -EINVAL;
                goto out;
        }
        ret = core_scsi3_nodeacl_depend_item(dest_node_acl);
@@ -3527,7 +3587,8 @@ after_iport_check:
                atomic_dec(&dest_node_acl->acl_pr_ref_count);
                smp_mb__after_atomic_dec();
                dest_node_acl = NULL;
-                ret = PYX_TRANSPORT_LU_COMM_FAILURE;
+                cmd->scsi_sense_reason = TCM_INVALID_PARAMETER_LIST;
+                ret = -EINVAL;
                goto out;
        }
 #if 0
@@ -3543,7 +3604,8 @@ after_iport_check:
        if (!dest_se_deve) {
                pr_err("Unable to locate %s dest_se_deve from RTPI:"
                        " %hu\n",  dest_tf_ops->get_fabric_name(), rtpi);
-                ret = PYX_TRANSPORT_INVALID_PARAMETER_LIST;
+                cmd->scsi_sense_reason = TCM_INVALID_PARAMETER_LIST;
+                ret = -EINVAL;
                goto out;
        }
@@ -3553,7 +3615,8 @@ after_iport_check:
                atomic_dec(&dest_se_deve->pr_ref_count);
                smp_mb__after_atomic_dec();
                dest_se_deve = NULL;
-                ret = PYX_TRANSPORT_LU_COMM_FAILURE;
+                cmd->scsi_sense_reason = TCM_LOGICAL_UNIT_COMMUNICATION_FAILURE;
+                ret = -EINVAL;
                goto out;
        }
 #if 0
@@ -3572,7 +3635,8 @@ after_iport_check:
                pr_warn("SPC-3 PR REGISTER_AND_MOVE: No reservation"
                        " currently held\n");
                spin_unlock(&dev->dev_reservation_lock);
-                ret = PYX_TRANSPORT_INVALID_CDB_FIELD;
+                cmd->scsi_sense_reason = TCM_INVALID_CDB_FIELD;
+                ret = -EINVAL;
                goto out;
        }
        /*
@@ -3585,7 +3649,8 @@ after_iport_check:
                pr_warn("SPC-3 PR REGISTER_AND_MOVE: Calling I_T"
                        " Nexus is not reservation holder\n");
                spin_unlock(&dev->dev_reservation_lock);
-                ret = PYX_TRANSPORT_RESERVATION_CONFLICT;
+                cmd->scsi_sense_reason = TCM_RESERVATION_CONFLICT;
+                ret = -EINVAL;
                goto out;
        }
        /*
@@ -3603,7 +3668,8 @@ after_iport_check:
                        " reservation for type: %s\n",
                        core_scsi3_pr_dump_type(pr_res_holder->pr_res_type));
                spin_unlock(&dev->dev_reservation_lock);
-                ret = PYX_TRANSPORT_RESERVATION_CONFLICT;
+                cmd->scsi_sense_reason = TCM_RESERVATION_CONFLICT;
+                ret = -EINVAL;
                goto out;
        }
        pr_res_nacl = pr_res_holder->pr_reg_nacl;
@@ -3640,7 +3706,8 @@ after_iport_check:
                                sa_res_key, 0, aptpl, 2, 1);
                if (ret != 0) {
                        spin_unlock(&dev->dev_reservation_lock);
-                        ret = PYX_TRANSPORT_INVALID_PARAMETER_LIST;
+                        cmd->scsi_sense_reason = TCM_INVALID_PARAMETER_LIST;
+                        ret = -EINVAL;
                        goto out;
                }
                dest_pr_reg = __core_scsi3_locate_pr_reg(dev, dest_node_acl,
@@ -3771,7 +3838,8 @@ int target_scsi3_emulate_pr_out(struct se_task *task)
                pr_err("Received PERSISTENT_RESERVE CDB while legacy"
                        " SPC-2 reservation is held, returning"
                        " RESERVATION_CONFLICT\n");
-                ret = PYX_TRANSPORT_RESERVATION_CONFLICT;
+                cmd->scsi_sense_reason = TCM_RESERVATION_CONFLICT;
+                ret = EINVAL;
                goto out;
        }
@@ -3779,13 +3847,16 @@ int target_scsi3_emulate_pr_out(struct se_task *task)
         * FIXME: A NULL struct se_session pointer means an this is not coming from
         * a $FABRIC_MOD's nexus, but from internal passthrough ops.
         */
-        if (!cmd->se_sess)
+        if (!cmd->se_sess) {
-                return PYX_TRANSPORT_LU_COMM_FAILURE;
+                cmd->scsi_sense_reason = TCM_LOGICAL_UNIT_COMMUNICATION_FAILURE;
+                return -EINVAL;
+        }
        if (cmd->data_length < 24) {
                pr_warn("SPC-PR: Received PR OUT parameter list"
                        " length too small: %u\n", cmd->data_length);
-                ret = PYX_TRANSPORT_INVALID_PARAMETER_LIST;
+                cmd->scsi_sense_reason = TCM_INVALID_PARAMETER_LIST;
+                ret = -EINVAL;
                goto out;
        }
        /*
@@ -3820,7 +3891,8 @@ int target_scsi3_emulate_pr_out(struct se_task *task)
         * SPEC_I_PT=1 is only valid for Service action: REGISTER
         */
        if (spec_i_pt && ((cdb[1] & 0x1f) != PRO_REGISTER)) {
-                ret = PYX_TRANSPORT_INVALID_PARAMETER_LIST;
+                cmd->scsi_sense_reason = TCM_INVALID_PARAMETER_LIST;
+                ret = -EINVAL;
                goto out;
        }
@@ -3837,7 +3909,8 @@ int target_scsi3_emulate_pr_out(struct se_task *task)
            (cmd->data_length != 24)) {
                pr_warn("SPC-PR: Received PR OUT illegal parameter"
                        " list length: %u\n", cmd->data_length);
-                ret = PYX_TRANSPORT_INVALID_PARAMETER_LIST;
+                cmd->scsi_sense_reason = TCM_INVALID_PARAMETER_LIST;
+                ret = -EINVAL;
                goto out;
        }
        /*
@@ -3878,7 +3951,8 @@ int target_scsi3_emulate_pr_out(struct se_task *task)
        default:
                pr_err("Unknown PERSISTENT_RESERVE_OUT service"
                        " action: 0x%02x\n", cdb[1] & 0x1f);
-                ret = PYX_TRANSPORT_INVALID_CDB_FIELD;
+                cmd->scsi_sense_reason = TCM_INVALID_CDB_FIELD;
+                ret = -EINVAL;
                break;
        }
@@ -3906,7 +3980,8 @@ static int core_scsi3_pri_read_keys(struct se_cmd *cmd)
        if (cmd->data_length < 8) {
                pr_err("PRIN SA READ_KEYS SCSI Data Length: %u"
                        " too small\n", cmd->data_length);
-                return PYX_TRANSPORT_INVALID_CDB_FIELD;
+                cmd->scsi_sense_reason = TCM_INVALID_CDB_FIELD;
+                return -EINVAL;
        }
        buf = transport_kmap_first_data_page(cmd);
@@ -3965,7 +4040,8 @@ static int core_scsi3_pri_read_reservation(struct se_cmd *cmd)
        if (cmd->data_length < 8) {
                pr_err("PRIN SA READ_RESERVATIONS SCSI Data Length: %u"
                        " too small\n", cmd->data_length);
-                return PYX_TRANSPORT_INVALID_CDB_FIELD;
+                cmd->scsi_sense_reason = TCM_INVALID_CDB_FIELD;
+                return -EINVAL;
        }
        buf = transport_kmap_first_data_page(cmd);
@@ -4047,7 +4123,8 @@ static int core_scsi3_pri_report_capabilities(struct se_cmd *cmd)
        if (cmd->data_length < 6) {
                pr_err("PRIN SA REPORT_CAPABILITIES SCSI Data Length:"
                        " %u too small\n", cmd->data_length);
-                return PYX_TRANSPORT_INVALID_CDB_FIELD;
+                cmd->scsi_sense_reason = TCM_INVALID_CDB_FIELD;
+                return -EINVAL;
        }
        buf = transport_kmap_first_data_page(cmd);
@@ -4108,7 +4185,8 @@ static int core_scsi3_pri_read_full_status(struct se_cmd *cmd)
        if (cmd->data_length < 8) {
                pr_err("PRIN SA READ_FULL_STATUS SCSI Data Length: %u"
                        " too small\n", cmd->data_length);
-                return PYX_TRANSPORT_INVALID_CDB_FIELD;
+                cmd->scsi_sense_reason = TCM_INVALID_CDB_FIELD;
+                return -EINVAL;
        }
        buf = transport_kmap_first_data_page(cmd);
@@ -4255,7 +4333,8 @@ int target_scsi3_emulate_pr_in(struct se_task *task)
                pr_err("Received PERSISTENT_RESERVE CDB while legacy"
                        " SPC-2 reservation is held, returning"
                        " RESERVATION_CONFLICT\n");
-                return PYX_TRANSPORT_RESERVATION_CONFLICT;
+                cmd->scsi_sense_reason = TCM_RESERVATION_CONFLICT;
+                return -EINVAL;
        }
        switch (cmd->t_task_cdb[1] & 0x1f) {
@@ -4274,7 +4353,8 @@ int target_scsi3_emulate_pr_in(struct se_task *task)
        default:
                pr_err("Unknown PERSISTENT_RESERVE_IN service"
                        " action: 0x%02x\n", cmd->t_task_cdb[1] & 0x1f);
-                ret = PYX_TRANSPORT_INVALID_CDB_FIELD;
+                cmd->scsi_sense_reason = TCM_INVALID_CDB_FIELD;
+                ret = -EINVAL;
                break;
        }
diff --git a/drivers/target/target_core_pscsi.c b/drivers/target/target_core_pscsi.c
index ed32e1efe429..8b15e56b0384 100644
--- a/drivers/target/target_core_pscsi.c
+++ b/drivers/target/target_core_pscsi.c
@@ -963,6 +963,7 @@ static inline struct bio *pscsi_get_bio(int sg_num)
 static int pscsi_map_sg(struct se_task *task, struct scatterlist *task_sg,
                struct bio **hbio)
 {
+        struct se_cmd *cmd = task->task_se_cmd;
        struct pscsi_dev_virt *pdv = task->task_se_cmd->se_dev->dev_ptr;
        u32 task_sg_num = task->task_sg_nents;
        struct bio *bio = NULL, *tbio = NULL;
@@ -971,7 +972,7 @@ static int pscsi_map_sg(struct se_task *task, struct scatterlist *task_sg,
        u32 data_len = task->task_size, i, len, bytes, off;
        int nr_pages = (task->task_size + task_sg[0].offset +
                        PAGE_SIZE - 1) >> PAGE_SHIFT;
-        int nr_vecs = 0, rc, ret = PYX_TRANSPORT_OUT_OF_MEMORY_RESOURCES;
+        int nr_vecs = 0, rc;
        int rw = (task->task_data_direction == DMA_TO_DEVICE);
        *hbio = NULL;
@@ -1058,11 +1059,13 @@ fail:
                bio->bi_next = NULL;
                bio_endio(bio, 0);      /* XXX: should be error */
        }
-        return ret;
+        cmd->scsi_sense_reason = TCM_LOGICAL_UNIT_COMMUNICATION_FAILURE;
+        return -ENOMEM;
 }
 static int pscsi_do_task(struct se_task *task)
 {
+        struct se_cmd *cmd = task->task_se_cmd;
        struct pscsi_dev_virt *pdv = task->task_se_cmd->se_dev->dev_ptr;
        struct pscsi_plugin_task *pt = PSCSI_TASK(task);
        struct request *req;
@@ -1078,7 +1081,9 @@ static int pscsi_do_task(struct se_task *task)
                if (!req || IS_ERR(req)) {
                        pr_err("PSCSI: blk_get_request() failed: %ld\n",
                                        req ? IS_ERR(req) : -ENOMEM);
-                        return PYX_TRANSPORT_LU_COMM_FAILURE;
+                        cmd->scsi_sense_reason =
+                                TCM_LOGICAL_UNIT_COMMUNICATION_FAILURE;
+                        return -ENODEV;
                }
        } else {
                BUG_ON(!task->task_size);
@@ -1087,8 +1092,11 @@ static int pscsi_do_task(struct se_task *task)
                 * Setup the main struct request for the task->task_sg[] payload
                 */
                ret = pscsi_map_sg(task, task->task_sg, &hbio);
-                if (ret < 0)
+                if (ret < 0) {
-                        return PYX_TRANSPORT_LU_COMM_FAILURE;
+                        cmd->scsi_sense_reason =
+                                TCM_LOGICAL_UNIT_COMMUNICATION_FAILURE;
+                        return ret;
+                }
                req = blk_make_request(pdv->pdv_sd->request_queue, hbio,
                                       GFP_KERNEL);
@@ -1115,7 +1123,7 @@ static int pscsi_do_task(struct se_task *task)
                        (task->task_se_cmd->sam_task_attr == MSG_HEAD_TAG),
                        pscsi_req_done);
-        return PYX_TRANSPORT_SENT_TO_TRANSPORT;
+        return 0;
 fail:
        while (hbio) {
@@ -1124,7 +1132,8 @@ fail:
                bio->bi_next = NULL;
                bio_endio(bio, 0);      /* XXX: should be error */
        }
-        return PYX_TRANSPORT_OUT_OF_MEMORY_RESOURCES;
+        cmd->scsi_sense_reason = TCM_LOGICAL_UNIT_COMMUNICATION_FAILURE;
+        return -ENOMEM;
 }
 /*      pscsi_get_sense_buffer():
@@ -1198,9 +1207,8 @@ static inline void pscsi_process_SAM_status(
                        " 0x%02x Result: 0x%08x\n", task, pt->pscsi_cdb[0],
                        pt->pscsi_result);
                task->task_scsi_status = SAM_STAT_CHECK_CONDITION;
-                task->task_error_status = PYX_TRANSPORT_UNKNOWN_SAM_OPCODE;
+                task->task_se_cmd->scsi_sense_reason =
-                task->task_se_cmd->transport_error_status =
+                                        TCM_UNSUPPORTED_SCSI_OPCODE;
-                                        PYX_TRANSPORT_UNKNOWN_SAM_OPCODE;
                transport_complete_task(task, 0);
                break;
        }
diff --git a/drivers/target/target_core_rd.c b/drivers/target/target_core_rd.c
index 5158d3846f19..02e51faa2f4e 100644
--- a/drivers/target/target_core_rd.c
+++ b/drivers/target/target_core_rd.c
@@ -343,235 +343,74 @@ static struct rd_dev_sg_table *rd_get_sg_table(struct rd_dev *rd_dev, u32 page)
        return NULL;
 }
-/*      rd_MEMCPY_read():
+static int rd_MEMCPY(struct rd_request *req, u32 read_rd)
- *
- *
- */
-static int rd_MEMCPY_read(struct rd_request *req)
 {
        struct se_task *task = &req->rd_task;
        struct rd_dev *dev = req->rd_task.task_se_cmd->se_dev->dev_ptr;
        struct rd_dev_sg_table *table;
-        struct scatterlist *sg_d, *sg_s;
+        struct scatterlist *rd_sg;
-        void *dst, *src;
+        struct sg_mapping_iter m;
-        u32 i = 0, j = 0, dst_offset = 0, src_offset = 0;
-        u32 length, page_end = 0, table_sg_end;
        u32 rd_offset = req->rd_offset;
+        u32 src_len;
        table = rd_get_sg_table(dev, req->rd_page);
        if (!table)
                return -EINVAL;
-        table_sg_end = (table->page_end_offset - req->rd_page);
+        rd_sg = &table->sg_table[req->rd_page - table->page_start_offset];
-        sg_d = task->task_sg;
-        sg_s = &table->sg_table[req->rd_page - table->page_start_offset];
-        pr_debug("RD[%u]: Read LBA: %llu, Size: %u Page: %u, Offset:"
+        pr_debug("RD[%u]: %s LBA: %llu, Size: %u Page: %u, Offset: %u\n",
-                " %u\n", dev->rd_dev_id, task->task_lba, req->rd_size,
+                        dev->rd_dev_id, read_rd ? "Read" : "Write",
-                req->rd_page, req->rd_offset);
+                        task->task_lba, req->rd_size, req->rd_page,
+                        rd_offset);
-        src_offset = rd_offset;
+        src_len = PAGE_SIZE - rd_offset;
+        sg_miter_start(&m, task->task_sg, task->task_sg_nents,
+                        read_rd ? SG_MITER_TO_SG : SG_MITER_FROM_SG);
        while (req->rd_size) {
-                if ((sg_d[i].length - dst_offset) <
+                u32 len;
-                    (sg_s[j].length - src_offset)) {
+                void *rd_addr;
-                        length = (sg_d[i].length - dst_offset);
-                        pr_debug("Step 1 - sg_d[%d]: %p length: %d"
-                                " offset: %u sg_s[%d].length: %u\n", i,
-                                &sg_d[i], sg_d[i].length, sg_d[i].offset, j,
-                                sg_s[j].length);
-                        pr_debug("Step 1 - length: %u dst_offset: %u"
-                                " src_offset: %u\n", length, dst_offset,
-                                src_offset);
-                        if (length > req->rd_size)
-                                length = req->rd_size;
-                        dst = sg_virt(&sg_d[i++]) + dst_offset;
-                        BUG_ON(!dst);
-                        src = sg_virt(&sg_s[j]) + src_offset;
-                        BUG_ON(!src);
-                        dst_offset = 0;
-                        src_offset = length;
-                        page_end = 0;
-                } else {
-                        length = (sg_s[j].length - src_offset);
-                        pr_debug("Step 2 - sg_d[%d]: %p length: %d"
-                                " offset: %u sg_s[%d].length: %u\n", i,
-                                &sg_d[i], sg_d[i].length, sg_d[i].offset,
-                                j, sg_s[j].length);
-                        pr_debug("Step 2 - length: %u dst_offset: %u"
-                                " src_offset: %u\n", length, dst_offset,
-                                src_offset);
-                        if (length > req->rd_size)
-                                length = req->rd_size;
-                        dst = sg_virt(&sg_d[i]) + dst_offset;
-                        BUG_ON(!dst);
-                        if (sg_d[i].length == length) {
-                                i++;
-                                dst_offset = 0;
-                        } else
-                                dst_offset = length;
-                        src = sg_virt(&sg_s[j++]) + src_offset;
-                        BUG_ON(!src);
-                        src_offset = 0;
-                        page_end = 1;
-                }
-                memcpy(dst, src, length);
+                sg_miter_next(&m);
+                len = min((u32)m.length, src_len);
+                m.consumed = len;
-                pr_debug("page: %u, remaining size: %u, length: %u,"
+                rd_addr = sg_virt(rd_sg) + rd_offset;
-                        " i: %u, j: %u\n", req->rd_page,
-                        (req->rd_size - length), length, i, j);
-                req->rd_size -= length;
+                if (read_rd)
-                if (!req->rd_size)
+                        memcpy(m.addr, rd_addr, len);
-                        return 0;
+                else
+                        memcpy(rd_addr, m.addr, len);
-                if (!page_end)
+                req->rd_size -= len;
+                if (!req->rd_size)
                        continue;
-                if (++req->rd_page <= table->page_end_offset) {
+                src_len -= len;
-                        pr_debug("page: %u in same page table\n",
+                if (src_len) {
-                                req->rd_page);
+                        rd_offset += len;
                        continue;
                }
-                pr_debug("getting new page table for page: %u\n",
+                /* rd page completed, next one please */
-                                req->rd_page);
+                req->rd_page++;
+                rd_offset = 0;
-                table = rd_get_sg_table(dev, req->rd_page);
+                src_len = PAGE_SIZE;
-                if (!table)
+                if (req->rd_page <= table->page_end_offset) {
-                        return -EINVAL;
+                        rd_sg++;
-                sg_s = &table->sg_table[j = 0];
-        }
-        return 0;
-}
-/*      rd_MEMCPY_write():
- *
- *
- */
-static int rd_MEMCPY_write(struct rd_request *req)
-{
-        struct se_task *task = &req->rd_task;
-        struct rd_dev *dev = req->rd_task.task_se_cmd->se_dev->dev_ptr;
-        struct rd_dev_sg_table *table;
-        struct scatterlist *sg_d, *sg_s;
-        void *dst, *src;
-        u32 i = 0, j = 0, dst_offset = 0, src_offset = 0;
-        u32 length, page_end = 0, table_sg_end;
-        u32 rd_offset = req->rd_offset;
-        table = rd_get_sg_table(dev, req->rd_page);
-        if (!table)
-                return -EINVAL;
-        table_sg_end = (table->page_end_offset - req->rd_page);
-        sg_d = &table->sg_table[req->rd_page - table->page_start_offset];
-        sg_s = task->task_sg;
-        pr_debug("RD[%d] Write LBA: %llu, Size: %u, Page: %u,"
-                " Offset: %u\n", dev->rd_dev_id, task->task_lba, req->rd_size,
-                req->rd_page, req->rd_offset);
-        dst_offset = rd_offset;
-        while (req->rd_size) {
-                if ((sg_s[i].length - src_offset) <
-                    (sg_d[j].length - dst_offset)) {
-                        length = (sg_s[i].length - src_offset);
-                        pr_debug("Step 1 - sg_s[%d]: %p length: %d"
-                                " offset: %d sg_d[%d].length: %u\n", i,
-                                &sg_s[i], sg_s[i].length, sg_s[i].offset,
-                                j, sg_d[j].length);
-                        pr_debug("Step 1 - length: %u src_offset: %u"
-                                " dst_offset: %u\n", length, src_offset,
-                                dst_offset);
-                        if (length > req->rd_size)
-                                length = req->rd_size;
-                        src = sg_virt(&sg_s[i++]) + src_offset;
-                        BUG_ON(!src);
-                        dst = sg_virt(&sg_d[j]) + dst_offset;
-                        BUG_ON(!dst);
-                        src_offset = 0;
-                        dst_offset = length;
-                        page_end = 0;
-                } else {
-                        length = (sg_d[j].length - dst_offset);
-                        pr_debug("Step 2 - sg_s[%d]: %p length: %d"
-                                " offset: %d sg_d[%d].length: %u\n", i,
-                                &sg_s[i], sg_s[i].length, sg_s[i].offset,
-                                j, sg_d[j].length);
-                        pr_debug("Step 2 - length: %u src_offset: %u"
-                                " dst_offset: %u\n", length, src_offset,
-                                dst_offset);
-                        if (length > req->rd_size)
-                                length = req->rd_size;
-                        src = sg_virt(&sg_s[i]) + src_offset;
-                        BUG_ON(!src);
-                        if (sg_s[i].length == length) {
-                                i++;
-                                src_offset = 0;
-                        } else
-                                src_offset = length;
-                        dst = sg_virt(&sg_d[j++]) + dst_offset;
-                        BUG_ON(!dst);
-                        dst_offset = 0;
-                        page_end = 1;
-                }
-                memcpy(dst, src, length);
-                pr_debug("page: %u, remaining size: %u, length: %u,"
-                        " i: %u, j: %u\n", req->rd_page,
-                        (req->rd_size - length), length, i, j);
-                req->rd_size -= length;
-                if (!req->rd_size)
-                        return 0;
-                if (!page_end)
-                        continue;
-                if (++req->rd_page <= table->page_end_offset) {
-                        pr_debug("page: %u in same page table\n",
-                                req->rd_page);
                        continue;
                }
-                pr_debug("getting new page table for page: %u\n",
-                                req->rd_page);
                table = rd_get_sg_table(dev, req->rd_page);
-                if (!table)
+                if (!table) {
+                        sg_miter_stop(&m);
                        return -EINVAL;
+                }
-                sg_d = &table->sg_table[j = 0];
+                /* since we increment, the first sg entry is correct */
+                rd_sg = table->sg_table;
        }
+        sg_miter_stop(&m);
        return 0;
 }
@@ -583,28 +422,21 @@ static int rd_MEMCPY_do_task(struct se_task *task)
 {
        struct se_device *dev = task->task_se_cmd->se_dev;
        struct rd_request *req = RD_REQ(task);
-        unsigned long long lba;
+        u64 tmp;
        int ret;
-        req->rd_page = (task->task_lba * dev->se_sub_dev->se_dev_attrib.block_size) / PAGE_SIZE;
+        tmp = task->task_lba * dev->se_sub_dev->se_dev_attrib.block_size;
-        lba = task->task_lba;
+        req->rd_offset = do_div(tmp, PAGE_SIZE);
-        req->rd_offset = (do_div(lba,
+        req->rd_page = tmp;
-                          (PAGE_SIZE / dev->se_sub_dev->se_dev_attrib.block_size))) *
-                           dev->se_sub_dev->se_dev_attrib.block_size;
        req->rd_size = task->task_size;
-        if (task->task_data_direction == DMA_FROM_DEVICE)
+        ret = rd_MEMCPY(req, task->task_data_direction == DMA_FROM_DEVICE);
-                ret = rd_MEMCPY_read(req);
-        else
-                ret = rd_MEMCPY_write(req);
        if (ret != 0)
                return ret;
        task->task_scsi_status = GOOD;
        transport_complete_task(task, 1);
+        return 0;
-        return PYX_TRANSPORT_SENT_TO_TRANSPORT;
 }
 /*      rd_free_task(): (Part of se_subsystem_api_t template)
diff --git a/drivers/target/target_core_tmr.c b/drivers/target/target_core_tmr.c
index 217e29df6297..684522805a1f 100644
--- a/drivers/target/target_core_tmr.c
+++ b/drivers/target/target_core_tmr.c
@@ -345,10 +345,6 @@ static void core_tmr_drain_cmd_list(
                        " %d t_fe_count: %d\n", (preempt_and_abort_list) ?
                        "Preempt" : "", cmd, cmd->t_state,
                        atomic_read(&cmd->t_fe_count));
-                /*
-                 * Signal that the command has failed via cmd->se_cmd_flags,
-                 */
-                transport_new_cmd_failure(cmd);
                core_tmr_handle_tas_abort(tmr_nacl, cmd, tas,
                                atomic_read(&cmd->t_fe_count));
diff --git a/drivers/target/target_core_transport.c b/drivers/target/target_core_transport.c
index 3400ae6e93f8..0257658e2e3e 100644
--- a/drivers/target/target_core_transport.c
+++ b/drivers/target/target_core_transport.c
@@ -61,7 +61,6 @@
 static int sub_api_initialized;
 static struct workqueue_struct *target_completion_wq;
-static struct kmem_cache *se_cmd_cache;
 static struct kmem_cache *se_sess_cache;
 struct kmem_cache *se_tmr_req_cache;
 struct kmem_cache *se_ua_cache;
@@ -82,24 +81,18 @@ static int transport_generic_get_mem(struct se_cmd *cmd);
 static void transport_put_cmd(struct se_cmd *cmd);
 static void transport_remove_cmd_from_queue(struct se_cmd *cmd);
 static int transport_set_sense_codes(struct se_cmd *cmd, u8 asc, u8 ascq);
-static void transport_generic_request_failure(struct se_cmd *, int, int);
+static void transport_generic_request_failure(struct se_cmd *);
 static void target_complete_ok_work(struct work_struct *work);
 int init_se_kmem_caches(void)
 {
-        se_cmd_cache = kmem_cache_create("se_cmd_cache",
-                        sizeof(struct se_cmd), __alignof__(struct se_cmd), 0, NULL);
-        if (!se_cmd_cache) {
-                pr_err("kmem_cache_create for struct se_cmd failed\n");
-                goto out;
-        }
        se_tmr_req_cache = kmem_cache_create("se_tmr_cache",
                        sizeof(struct se_tmr_req), __alignof__(struct se_tmr_req),
                        0, NULL);
        if (!se_tmr_req_cache) {
                pr_err("kmem_cache_create() for struct se_tmr_req"
                                " failed\n");
-                goto out_free_cmd_cache;
+                goto out;
        }
        se_sess_cache = kmem_cache_create("se_sess_cache",
                        sizeof(struct se_session), __alignof__(struct se_session),
@@ -182,8 +175,6 @@ out_free_sess_cache:
        kmem_cache_destroy(se_sess_cache);
 out_free_tmr_req_cache:
        kmem_cache_destroy(se_tmr_req_cache);
-out_free_cmd_cache:
-        kmem_cache_destroy(se_cmd_cache);
 out:
        return -ENOMEM;
 }
@@ -191,7 +182,6 @@ out:
 void release_se_kmem_caches(void)
 {
        destroy_workqueue(target_completion_wq);
-        kmem_cache_destroy(se_cmd_cache);
        kmem_cache_destroy(se_tmr_req_cache);
        kmem_cache_destroy(se_sess_cache);
        kmem_cache_destroy(se_ua_cache);
@@ -680,9 +670,9 @@ void transport_complete_sync_cache(struct se_cmd *cmd, int good)
                task->task_scsi_status = GOOD;
        } else {
                task->task_scsi_status = SAM_STAT_CHECK_CONDITION;
-                task->task_error_status = PYX_TRANSPORT_ILLEGAL_REQUEST;
+                task->task_se_cmd->scsi_sense_reason =
-                task->task_se_cmd->transport_error_status =
+                                TCM_LOGICAL_UNIT_COMMUNICATION_FAILURE;
-                                        PYX_TRANSPORT_ILLEGAL_REQUEST;
        }
        transport_complete_task(task, good);
@@ -693,7 +683,7 @@ static void target_complete_failure_work(struct work_struct *work)
 {
        struct se_cmd *cmd = container_of(work, struct se_cmd, work);
-        transport_generic_request_failure(cmd, 1, 1);
+        transport_generic_request_failure(cmd);
 }
 /*      transport_complete_task():
@@ -755,10 +745,11 @@ void transport_complete_task(struct se_task *task, int success)
        if (cmd->t_tasks_failed) {
                if (!task->task_error_status) {
                        task->task_error_status =
-                                PYX_TRANSPORT_UNKNOWN_SAM_OPCODE;
+                                TCM_LOGICAL_UNIT_COMMUNICATION_FAILURE;
-                        cmd->transport_error_status =
+                        cmd->scsi_sense_reason =
-                                PYX_TRANSPORT_UNKNOWN_SAM_OPCODE;
+                                TCM_LOGICAL_UNIT_COMMUNICATION_FAILURE;
                }
                INIT_WORK(&cmd->work, target_complete_failure_work);
        } else {
                atomic_set(&cmd->t_transport_complete, 1);
@@ -1335,23 +1326,17 @@ struct se_device *transport_add_device_to_core_hba(
        dev->se_hba             = hba;
        dev->se_sub_dev         = se_dev;
        dev->transport          = transport;
-        atomic_set(&dev->active_cmds, 0);
        INIT_LIST_HEAD(&dev->dev_list);
        INIT_LIST_HEAD(&dev->dev_sep_list);
        INIT_LIST_HEAD(&dev->dev_tmr_list);
        INIT_LIST_HEAD(&dev->execute_task_list);
        INIT_LIST_HEAD(&dev->delayed_cmd_list);
-        INIT_LIST_HEAD(&dev->ordered_cmd_list);
        INIT_LIST_HEAD(&dev->state_task_list);
        INIT_LIST_HEAD(&dev->qf_cmd_list);
        spin_lock_init(&dev->execute_task_lock);
        spin_lock_init(&dev->delayed_cmd_lock);
-        spin_lock_init(&dev->ordered_cmd_lock);
-        spin_lock_init(&dev->state_task_lock);
-        spin_lock_init(&dev->dev_alua_lock);
        spin_lock_init(&dev->dev_reservation_lock);
        spin_lock_init(&dev->dev_status_lock);
-        spin_lock_init(&dev->dev_status_thr_lock);
        spin_lock_init(&dev->se_port_lock);
        spin_lock_init(&dev->se_tmr_lock);
        spin_lock_init(&dev->qf_cmd_lock);
@@ -1507,7 +1492,6 @@ void transport_init_se_cmd(
 {
        INIT_LIST_HEAD(&cmd->se_lun_node);
        INIT_LIST_HEAD(&cmd->se_delayed_node);
-        INIT_LIST_HEAD(&cmd->se_ordered_node);
        INIT_LIST_HEAD(&cmd->se_qf_node);
        INIT_LIST_HEAD(&cmd->se_queue_node);
        INIT_LIST_HEAD(&cmd->se_cmd_list);
@@ -1573,6 +1557,8 @@ int transport_generic_allocate_tasks(
                pr_err("Received SCSI CDB with command_size: %d that"
                        " exceeds SCSI_MAX_VARLEN_CDB_SIZE: %d\n",
                        scsi_command_size(cdb), SCSI_MAX_VARLEN_CDB_SIZE);
+                cmd->se_cmd_flags |= SCF_SCSI_CDB_EXCEPTION;
+                cmd->scsi_sense_reason = TCM_INVALID_CDB_FIELD;
                return -EINVAL;
        }
        /*
@@ -1588,6 +1574,9 @@ int transport_generic_allocate_tasks(
                                " %u > sizeof(cmd->__t_task_cdb): %lu ops\n",
                                scsi_command_size(cdb),
                                (unsigned long)sizeof(cmd->__t_task_cdb));
+                        cmd->se_cmd_flags |= SCF_SCSI_CDB_EXCEPTION;
+                        cmd->scsi_sense_reason =
+                                        TCM_LOGICAL_UNIT_COMMUNICATION_FAILURE;
                        return -ENOMEM;
                }
        } else
@@ -1658,11 +1647,9 @@ int transport_handle_cdb_direct(
         * and call transport_generic_request_failure() if necessary..
         */
        ret = transport_generic_new_cmd(cmd);
-        if (ret < 0) {
+        if (ret < 0)
-                cmd->transport_error_status = ret;
+                transport_generic_request_failure(cmd);
-                transport_generic_request_failure(cmd, 0,
-                                (cmd->data_direction != DMA_TO_DEVICE));
-        }
        return 0;
 }
 EXPORT_SYMBOL(transport_handle_cdb_direct);
@@ -1798,20 +1785,16 @@ static int transport_stop_tasks_for_cmd(struct se_cmd *cmd)
 /*
 * Handle SAM-esque emulation for generic transport request failures.
 */
-static void transport_generic_request_failure(
+static void transport_generic_request_failure(struct se_cmd *cmd)
-        struct se_cmd *cmd,
-        int complete,
-        int sc)
 {
        int ret = 0;
        pr_debug("-----[ Storage Engine Exception for cmd: %p ITT: 0x%08x"
                " CDB: 0x%02x\n", cmd, cmd->se_tfo->get_task_tag(cmd),
                cmd->t_task_cdb[0]);
-        pr_debug("-----[ i_state: %d t_state: %d transport_error_status: %d\n",
+        pr_debug("-----[ i_state: %d t_state: %d scsi_sense_reason: %d\n",
                cmd->se_tfo->get_cmd_state(cmd),
-                cmd->t_state,
+                cmd->t_state, cmd->scsi_sense_reason);
-                cmd->transport_error_status);
        pr_debug("-----[ t_tasks: %d t_task_cdbs_left: %d"
                " t_task_cdbs_sent: %d t_task_cdbs_ex_left: %d --"
                " t_transport_active: %d t_transport_stop: %d"
@@ -1829,46 +1812,19 @@ static void transport_generic_request_failure(
        if (cmd->se_dev->dev_task_attr_type == SAM_TASK_ATTR_EMULATED)
                transport_complete_task_attr(cmd);
-        if (complete) {
+        switch (cmd->scsi_sense_reason) {
-                cmd->transport_error_status = PYX_TRANSPORT_LU_COMM_FAILURE;
+        case TCM_NON_EXISTENT_LUN:
-        }
+        case TCM_UNSUPPORTED_SCSI_OPCODE:
+        case TCM_INVALID_CDB_FIELD:
-        switch (cmd->transport_error_status) {
+        case TCM_INVALID_PARAMETER_LIST:
-        case PYX_TRANSPORT_UNKNOWN_SAM_OPCODE:
+        case TCM_LOGICAL_UNIT_COMMUNICATION_FAILURE:
-                cmd->scsi_sense_reason = TCM_UNSUPPORTED_SCSI_OPCODE;
+        case TCM_UNKNOWN_MODE_PAGE:
-                break;
+        case TCM_WRITE_PROTECTED:
-        case PYX_TRANSPORT_REQ_TOO_MANY_SECTORS:
+        case TCM_CHECK_CONDITION_ABORT_CMD:
-                cmd->scsi_sense_reason = TCM_SECTOR_COUNT_TOO_MANY;
+        case TCM_CHECK_CONDITION_UNIT_ATTENTION:
-                break;
+        case TCM_CHECK_CONDITION_NOT_READY:
-        case PYX_TRANSPORT_INVALID_CDB_FIELD:
-                cmd->scsi_sense_reason = TCM_INVALID_CDB_FIELD;
-                break;
-        case PYX_TRANSPORT_INVALID_PARAMETER_LIST:
-                cmd->scsi_sense_reason = TCM_INVALID_PARAMETER_LIST;
-                break;
-        case PYX_TRANSPORT_OUT_OF_MEMORY_RESOURCES:
-                if (!sc)
-                        transport_new_cmd_failure(cmd);
-                /*
-                 * Currently for PYX_TRANSPORT_OUT_OF_MEMORY_RESOURCES,
-                 * we force this session to fall back to session
-                 * recovery.
-                 */
-                cmd->se_tfo->fall_back_to_erl0(cmd->se_sess);
-                cmd->se_tfo->stop_session(cmd->se_sess, 0, 0);
-                goto check_stop;
-        case PYX_TRANSPORT_LU_COMM_FAILURE:
-        case PYX_TRANSPORT_ILLEGAL_REQUEST:
-                cmd->scsi_sense_reason = TCM_LOGICAL_UNIT_COMMUNICATION_FAILURE;
-                break;
-        case PYX_TRANSPORT_UNKNOWN_MODE_PAGE:
-                cmd->scsi_sense_reason = TCM_UNKNOWN_MODE_PAGE;
-                break;
-        case PYX_TRANSPORT_WRITE_PROTECTED:
-                cmd->scsi_sense_reason = TCM_WRITE_PROTECTED;
                break;
-        case PYX_TRANSPORT_RESERVATION_CONFLICT:
+        case TCM_RESERVATION_CONFLICT:
                /*
                 * No SENSE Data payload for this case, set SCSI Status
                 * and queue the response to $FABRIC_MOD.
@@ -1893,15 +1849,9 @@ static void transport_generic_request_failure(
                if (ret == -EAGAIN || ret == -ENOMEM)
                        goto queue_full;
                goto check_stop;
-        case PYX_TRANSPORT_USE_SENSE_REASON:
-                /*
-                 * struct se_cmd->scsi_sense_reason already set
-                 */
-                break;
        default:
                pr_err("Unknown transport error for CDB 0x%02x: %d\n",
-                        cmd->t_task_cdb[0],
+                        cmd->t_task_cdb[0], cmd->scsi_sense_reason);
-                        cmd->transport_error_status);
                cmd->scsi_sense_reason = TCM_UNSUPPORTED_SCSI_OPCODE;
                break;
        }
@@ -1912,14 +1862,10 @@ static void transport_generic_request_failure(
         * transport_send_check_condition_and_sense() after handling
         * possible unsoliticied write data payloads.
         */
-        if (!sc && !cmd->se_tfo->new_cmd_map)
+        ret = transport_send_check_condition_and_sense(cmd,
-                transport_new_cmd_failure(cmd);
+                        cmd->scsi_sense_reason, 0);
-        else {
+        if (ret == -EAGAIN || ret == -ENOMEM)
-                ret = transport_send_check_condition_and_sense(cmd,
+                goto queue_full;
-                                cmd->scsi_sense_reason, 0);
-                if (ret == -EAGAIN || ret == -ENOMEM)
-                        goto queue_full;
-        }
 check_stop:
        transport_lun_remove_cmd(cmd);
@@ -2002,19 +1948,12 @@ static inline int transport_execute_task_attr(struct se_cmd *cmd)
         * to allow the passed struct se_cmd list of tasks to the front of the list.
         */
         if (cmd->sam_task_attr == MSG_HEAD_TAG) {
-                atomic_inc(&cmd->se_dev->dev_hoq_count);
-                smp_mb__after_atomic_inc();
                pr_debug("Added HEAD_OF_QUEUE for CDB:"
                        " 0x%02x, se_ordered_id: %u\n",
                        cmd->t_task_cdb[0],
                        cmd->se_ordered_id);
                return 1;
        } else if (cmd->sam_task_attr == MSG_ORDERED_TAG) {
-                spin_lock(&cmd->se_dev->ordered_cmd_lock);
-                list_add_tail(&cmd->se_ordered_node,
-                                &cmd->se_dev->ordered_cmd_list);
-                spin_unlock(&cmd->se_dev->ordered_cmd_lock);
                atomic_inc(&cmd->se_dev->dev_ordered_sync);
                smp_mb__after_atomic_inc();
@@ -2076,9 +2015,9 @@ static int transport_execute_tasks(struct se_cmd *cmd)
 {
        int add_tasks;
-        if (se_dev_check_online(cmd->se_orig_obj_ptr) != 0) {
+        if (se_dev_check_online(cmd->se_dev) != 0) {
-                cmd->transport_error_status = PYX_TRANSPORT_LU_COMM_FAILURE;
+                cmd->scsi_sense_reason = TCM_LOGICAL_UNIT_COMMUNICATION_FAILURE;
-                transport_generic_request_failure(cmd, 0, 1);
+                transport_generic_request_failure(cmd);
                return 0;
        }
@@ -2163,14 +2102,13 @@ check_depth:
        else
                error = dev->transport->do_task(task);
        if (error != 0) {
-                cmd->transport_error_status = error;
                spin_lock_irqsave(&cmd->t_state_lock, flags);
                task->task_flags &= ~TF_ACTIVE;
                spin_unlock_irqrestore(&cmd->t_state_lock, flags);
                atomic_set(&cmd->t_transport_sent, 0);
                transport_stop_tasks_for_cmd(cmd);
                atomic_inc(&dev->depth_left);
-                transport_generic_request_failure(cmd, 0, 1);
+                transport_generic_request_failure(cmd);
        }
        goto check_depth;
@@ -2178,19 +2116,6 @@ check_depth:
        return 0;
 }
-void transport_new_cmd_failure(struct se_cmd *se_cmd)
-{
-        unsigned long flags;
-        /*
-         * Any unsolicited data will get dumped for failed command inside of
-         * the fabric plugin
-         */
-        spin_lock_irqsave(&se_cmd->t_state_lock, flags);
-        se_cmd->se_cmd_flags |= SCF_SE_CMD_FAILED;
-        se_cmd->se_cmd_flags |= SCF_SCSI_CDB_EXCEPTION;
-        spin_unlock_irqrestore(&se_cmd->t_state_lock, flags);
-}
 static inline u32 transport_get_sectors_6(
        unsigned char *cdb,
        struct se_cmd *cmd,
@@ -2213,10 +2138,15 @@ static inline u32 transport_get_sectors_6(
        /*
         * Everything else assume TYPE_DISK Sector CDB location.
-         * Use 8-bit sector value.
+         * Use 8-bit sector value.  SBC-3 says:
+         *
+         *   A TRANSFER LENGTH field set to zero specifies that 256
+         *   logical blocks shall be written.  Any other value
+         *   specifies the number of logical blocks that shall be
+         *   written.
         */
 type_disk:
-        return (u32)cdb[4];
+        return cdb[4] ? : 256;
 }
 static inline u32 transport_get_sectors_10(
@@ -2460,27 +2390,6 @@ static int transport_get_sense_data(struct se_cmd *cmd)
        return -1;
 }
-static int
-transport_handle_reservation_conflict(struct se_cmd *cmd)
-{
-        cmd->se_cmd_flags |= SCF_SCSI_CDB_EXCEPTION;
-        cmd->se_cmd_flags |= SCF_SCSI_RESERVATION_CONFLICT;
-        cmd->scsi_status = SAM_STAT_RESERVATION_CONFLICT;
-        /*
-         * For UA Interlock Code 11b, a RESERVATION CONFLICT will
-         * establish a UNIT ATTENTION with PREVIOUS RESERVATION
-         * CONFLICT STATUS.
-         *
-         * See spc4r17, section 7.4.6 Control Mode Page, Table 349
-         */
-        if (cmd->se_sess &&
-            cmd->se_dev->se_sub_dev->se_dev_attrib.emulate_ua_intlck_ctrl == 2)
-                core_scsi3_ua_allocate(cmd->se_sess->se_node_acl,
-                        cmd->orig_fe_lun, 0x2C,
-                        ASCQ_2CH_PREVIOUS_RESERVATION_CONFLICT_STATUS);
-        return -EINVAL;
-}
 static inline long long transport_dev_end_lba(struct se_device *dev)
 {
        return dev->transport->get_blocks(dev) + 1;
@@ -2595,8 +2504,12 @@ static int transport_generic_cmd_sequencer(
         */
        if (su_dev->t10_pr.pr_ops.t10_reservation_check(cmd, &pr_reg_type) != 0) {
                if (su_dev->t10_pr.pr_ops.t10_seq_non_holder(
-                                        cmd, cdb, pr_reg_type) != 0)
+                                        cmd, cdb, pr_reg_type) != 0) {
-                        return transport_handle_reservation_conflict(cmd);
+                        cmd->se_cmd_flags |= SCF_SCSI_CDB_EXCEPTION;
+                        cmd->se_cmd_flags |= SCF_SCSI_RESERVATION_CONFLICT;
+                        cmd->scsi_sense_reason = TCM_RESERVATION_CONFLICT;
+                        return -EBUSY;
+                }
                /*
                 * This means the CDB is allowed for the SCSI Initiator port
                 * when said port is *NOT* holding the legacy SPC-2 or
@@ -2658,7 +2571,8 @@ static int transport_generic_cmd_sequencer(
                        goto out_unsupported_cdb;
                size = transport_get_size(sectors, cdb, cmd);
                cmd->t_task_lba = transport_lba_32(cdb);
-                cmd->t_tasks_fua = (cdb[1] & 0x8);
+                if (cdb[1] & 0x8)
+                        cmd->se_cmd_flags |= SCF_FUA;
                cmd->se_cmd_flags |= SCF_SCSI_DATA_SG_IO_CDB;
                break;
        case WRITE_12:
@@ -2667,7 +2581,8 @@ static int transport_generic_cmd_sequencer(
                        goto out_unsupported_cdb;
                size = transport_get_size(sectors, cdb, cmd);
                cmd->t_task_lba = transport_lba_32(cdb);
-                cmd->t_tasks_fua = (cdb[1] & 0x8);
+                if (cdb[1] & 0x8)
+                        cmd->se_cmd_flags |= SCF_FUA;
                cmd->se_cmd_flags |= SCF_SCSI_DATA_SG_IO_CDB;
                break;
        case WRITE_16:
@@ -2676,12 +2591,13 @@ static int transport_generic_cmd_sequencer(
                        goto out_unsupported_cdb;
                size = transport_get_size(sectors, cdb, cmd);
                cmd->t_task_lba = transport_lba_64(cdb);
-                cmd->t_tasks_fua = (cdb[1] & 0x8);
+                if (cdb[1] & 0x8)
+                        cmd->se_cmd_flags |= SCF_FUA;
                cmd->se_cmd_flags |= SCF_SCSI_DATA_SG_IO_CDB;
                break;
        case XDWRITEREAD_10:
                if ((cmd->data_direction != DMA_TO_DEVICE) ||
-                    !(cmd->t_tasks_bidi))
+                    !(cmd->se_cmd_flags & SCF_BIDI))
                        goto out_invalid_cdb_field;
                sectors = transport_get_sectors_10(cdb, cmd, &sector_ret);
                if (sector_ret)
@@ -2700,7 +2616,8 @@ static int transport_generic_cmd_sequencer(
                 * Setup BIDI XOR callback to be run after I/O completion.
                 */
                cmd->transport_complete_callback = &transport_xor_callback;
-                cmd->t_tasks_fua = (cdb[1] & 0x8);
+                if (cdb[1] & 0x8)
+                        cmd->se_cmd_flags |= SCF_FUA;
                break;
        case VARIABLE_LENGTH_CMD:
                service_action = get_unaligned_be16(&cdb[8]);
@@ -2728,7 +2645,8 @@ static int transport_generic_cmd_sequencer(
                         * completion.
                         */
                        cmd->transport_complete_callback = &transport_xor_callback;
-                        cmd->t_tasks_fua = (cdb[10] & 0x8);
+                        if (cdb[1] & 0x8)
+                                cmd->se_cmd_flags |= SCF_FUA;
                        break;
                case WRITE_SAME_32:
                        sectors = transport_get_sectors_32(cdb, cmd, &sector_ret);
@@ -3171,18 +3089,13 @@ static void transport_complete_task_attr(struct se_cmd *cmd)
                        " SIMPLE: %u\n", dev->dev_cur_ordered_id,
                        cmd->se_ordered_id);
        } else if (cmd->sam_task_attr == MSG_HEAD_TAG) {
-                atomic_dec(&dev->dev_hoq_count);
-                smp_mb__after_atomic_dec();
                dev->dev_cur_ordered_id++;
                pr_debug("Incremented dev_cur_ordered_id: %u for"
                        " HEAD_OF_QUEUE: %u\n", dev->dev_cur_ordered_id,
                        cmd->se_ordered_id);
        } else if (cmd->sam_task_attr == MSG_ORDERED_TAG) {
-                spin_lock(&dev->ordered_cmd_lock);
-                list_del(&cmd->se_ordered_node);
                atomic_dec(&dev->dev_ordered_sync);
                smp_mb__after_atomic_dec();
-                spin_unlock(&dev->ordered_cmd_lock);
                dev->dev_cur_ordered_id++;
                pr_debug("Incremented dev_cur_ordered_id: %u for ORDERED:"
@@ -3495,6 +3408,18 @@ int transport_generic_map_mem_to_cmd(
        if ((cmd->se_cmd_flags & SCF_SCSI_DATA_SG_IO_CDB) ||
            (cmd->se_cmd_flags & SCF_SCSI_CONTROL_SG_IO_CDB)) {
+                /*
+                 * Reject SCSI data overflow with map_mem_to_cmd() as incoming
+                 * scatterlists already have been set to follow what the fabric
+                 * passes for the original expected data transfer length.
+                 */
+                if (cmd->se_cmd_flags & SCF_OVERFLOW_BIT) {
+                        pr_warn("Rejecting SCSI DATA overflow for fabric using"
+                                " SCF_PASSTHROUGH_SG_TO_MEM_NOALLOC\n");
+                        cmd->se_cmd_flags |= SCF_SCSI_CDB_EXCEPTION;
+                        cmd->scsi_sense_reason = TCM_INVALID_CDB_FIELD;
+                        return -EINVAL;
+                }
                cmd->t_data_sg = sgl;
                cmd->t_data_nents = sgl_count;
@@ -3813,7 +3738,7 @@ int transport_generic_new_cmd(struct se_cmd *cmd)
            cmd->data_length) {
                ret = transport_generic_get_mem(cmd);
                if (ret < 0)
-                        return ret;
+                        goto out_fail;
        }
        /*
@@ -3842,8 +3767,15 @@ int transport_generic_new_cmd(struct se_cmd *cmd)
                task_cdbs = transport_allocate_control_task(cmd);
        }
-        if (task_cdbs <= 0)
+        if (task_cdbs < 0)
                goto out_fail;
+        else if (!task_cdbs && (cmd->se_cmd_flags & SCF_SCSI_DATA_SG_IO_CDB)) {
+                cmd->t_state = TRANSPORT_COMPLETE;
+                atomic_set(&cmd->t_transport_active, 1);
+                INIT_WORK(&cmd->work, target_complete_ok_work);
+                queue_work(target_completion_wq, &cmd->work);
+                return 0;
+        }
        if (set_counts) {
                atomic_inc(&cmd->t_fe_count);
@@ -3929,7 +3861,7 @@ static int transport_generic_write_pending(struct se_cmd *cmd)
        else if (ret < 0)
                return ret;
-        return PYX_TRANSPORT_WRITE_PENDING;
+        return 1;
 queue_full:
        pr_debug("Handling write_pending QUEUE__FULL: se_cmd: %p\n", cmd);
@@ -4602,9 +4534,6 @@ void transport_send_task_abort(struct se_cmd *cmd)
                if (cmd->se_tfo->write_pending_status(cmd) != 0) {
                        atomic_inc(&cmd->t_transport_aborted);
                        smp_mb__after_atomic_inc();
-                        cmd->scsi_status = SAM_STAT_TASK_ABORTED;
-                        transport_new_cmd_failure(cmd);
-                        return;
                }
        }
        cmd->scsi_status = SAM_STAT_TASK_ABORTED;
@@ -4670,8 +4599,6 @@ static int transport_processing_thread(void *param)
        struct se_cmd *cmd;
        struct se_device *dev = (struct se_device *) param;
-        set_user_nice(current, -20);
        while (!kthread_should_stop()) {
                ret = wait_event_interruptible(dev->dev_queue_obj.thread_wq,
                                atomic_read(&dev->dev_queue_obj.queue_cnt) ||
@@ -4698,18 +4625,13 @@ get_cmd:
                        }
                        ret = cmd->se_tfo->new_cmd_map(cmd);
                        if (ret < 0) {
-                                cmd->transport_error_status = ret;
+                                transport_generic_request_failure(cmd);
-                                transport_generic_request_failure(cmd,
-                                                0, (cmd->data_direction !=
-                                                    DMA_TO_DEVICE));
                                break;
                        }
                        ret = transport_generic_new_cmd(cmd);
                        if (ret < 0) {
-                                cmd->transport_error_status = ret;
+                                transport_generic_request_failure(cmd);
-                                transport_generic_request_failure(cmd,
+                                break;
-                                        0, (cmd->data_direction !=
-                                         DMA_TO_DEVICE));
                        }
                        break;
                case TRANSPORT_PROCESS_WRITE:
diff --git a/drivers/target/tcm_fc/tfc_cmd.c b/drivers/target/tcm_fc/tfc_cmd.c
index 4fac37c4c615..71fc9cea5dc9 100644
--- a/drivers/target/tcm_fc/tfc_cmd.c
+++ b/drivers/target/tcm_fc/tfc_cmd.c
@@ -200,7 +200,7 @@ int ft_write_pending(struct se_cmd *se_cmd)
        lport = ep->lp;
        fp = fc_frame_alloc(lport, sizeof(*txrdy));
        if (!fp)
-                return PYX_TRANSPORT_OUT_OF_MEMORY_RESOURCES;
+                return -ENOMEM; /* Signal QUEUE_FULL */
        txrdy = fc_frame_payload_get(fp, sizeof(*txrdy));
        memset(txrdy, 0, sizeof(*txrdy));
diff --git a/drivers/target/tcm_fc/tfc_conf.c b/drivers/target/tcm_fc/tfc_conf.c
index 5f770412ca40..9402b7387cac 100644
--- a/drivers/target/tcm_fc/tfc_conf.c
+++ b/drivers/target/tcm_fc/tfc_conf.c
@@ -436,8 +436,7 @@ static void ft_del_lport(struct se_wwn *wwn)
        struct ft_lport_acl *lacl = container_of(wwn,
                                struct ft_lport_acl, fc_lport_wwn);
-        pr_debug("del lport %s\n",
+        pr_debug("del lport %s\n", lacl->name);
-                        config_item_name(&wwn->wwn_group.cg_item));
        mutex_lock(&ft_lport_lock);
        list_del(&lacl->list);
        mutex_unlock(&ft_lport_lock);
diff --git a/drivers/tty/hvc/hvc_dcc.c b/drivers/tty/hvc/hvc_dcc.c
index 435f6facbc23..44fbebab5075 100644
--- a/drivers/tty/hvc/hvc_dcc.c
+++ b/drivers/tty/hvc/hvc_dcc.c
@@ -46,6 +46,7 @@ static inline char __dcc_getchar(void)
        asm volatile("mrc p14, 0, %0, c0, c5, 0 @ read comms data reg"
                : "=r" (__c));
+        isb();
        return __c;
 }
@@ -55,6 +56,7 @@ static inline void __dcc_putchar(char c)
        asm volatile("mcr p14, 0, %0, c0, c5, 0 @ write a char"
                : /* no output register */
                : "r" (c));
+        isb();
 }
 static int hvc_dcc_put_chars(uint32_t vt, const char *buf, int count)
diff --git a/drivers/tty/n_gsm.c b/drivers/tty/n_gsm.c
index 4cb0d0a3e57b..fc7bbba585ce 100644
--- a/drivers/tty/n_gsm.c
+++ b/drivers/tty/n_gsm.c
@@ -66,14 +66,16 @@
 static int debug;
 module_param(debug, int, 0600);
-#define T1      (HZ/10)
+/* Defaults: these are from the specification */
-#define T2      (HZ/3)
-#define N2      3
+#define T1      10              /* 100mS */
+#define T2      34              /* 333mS */
+#define N2      3               /* Retry 3 times */
 /* Use long timers for testing at low speed with debug on */
 #ifdef DEBUG_TIMING
-#define T1      HZ
+#define T1      100
-#define T2      (2 * HZ)
+#define T2      200
 #endif
 /*
diff --git a/drivers/tty/serial/Kconfig b/drivers/tty/serial/Kconfig
index 5f479dada6f2..925a1e547a83 100644
--- a/drivers/tty/serial/Kconfig
+++ b/drivers/tty/serial/Kconfig
@@ -1560,7 +1560,7 @@ config SERIAL_IFX6X60
          Support for the IFX6x60 modem devices on Intel MID platforms.
 config SERIAL_PCH_UART
-        tristate "Intel EG20T PCH / OKI SEMICONDUCTOR IOH(ML7213/ML7223) UART"
+        tristate "Intel EG20T PCH/LAPIS Semicon IOH(ML7213/ML7223/ML7831) UART"
        depends on PCI
        select SERIAL_CORE
        help
@@ -1568,12 +1568,12 @@ config SERIAL_PCH_UART
          which is an IOH(Input/Output Hub) for x86 embedded processor.
          Enabling PCH_DMA, this PCH UART works as DMA mode.
-          This driver also can be used for OKI SEMICONDUCTOR IOH(Input/
+          This driver also can be used for LAPIS Semiconductor IOH(Input/
-          Output Hub), ML7213 and ML7223.
+          Output Hub), ML7213, ML7223 and ML7831.
-          ML7213 IOH is for IVI(In-Vehicle Infotainment) use and ML7223 IOH is
+          ML7213 IOH is for IVI(In-Vehicle Infotainment) use, ML7223 IOH is
-          for MP(Media Phone) use.
+          for MP(Media Phone) use and ML7831 IOH is for general purpose use.
-          ML7213/ML7223 is companion chip for Intel Atom E6xx series.
+          ML7213/ML7223/ML7831 is companion chip for Intel Atom E6xx series.
-          ML7213/ML7223 is completely compatible for Intel EG20T PCH.
+          ML7213/ML7223/ML7831 is completely compatible for Intel EG20T PCH.
 config SERIAL_MSM_SMD
        bool "Enable tty device interface for some SMD ports"
diff --git a/drivers/tty/serial/atmel_serial.c b/drivers/tty/serial/atmel_serial.c
index 4a0f86fa1e90..4c823f341d98 100644
--- a/drivers/tty/serial/atmel_serial.c
+++ b/drivers/tty/serial/atmel_serial.c
@@ -228,7 +228,7 @@ void atmel_config_rs485(struct uart_port *port, struct serial_rs485 *rs485conf)
        if (rs485conf->flags & SER_RS485_ENABLED) {
                dev_dbg(port->dev, "Setting UART to RS485\n");
                atmel_port->tx_done_mask = ATMEL_US_TXEMPTY;
-                if (rs485conf->flags & SER_RS485_RTS_AFTER_SEND)
+                if ((rs485conf->delay_rts_after_send) > 0)
                        UART_PUT_TTGR(port, rs485conf->delay_rts_after_send);
                mode |= ATMEL_US_USMODE_RS485;
        } else {
@@ -304,7 +304,7 @@ static void atmel_set_mctrl(struct uart_port *port, u_int mctrl)
        if (atmel_port->rs485.flags & SER_RS485_ENABLED) {
                dev_dbg(port->dev, "Setting UART to RS485\n");
-                if (atmel_port->rs485.flags & SER_RS485_RTS_AFTER_SEND)
+                if ((atmel_port->rs485.delay_rts_after_send) > 0)
                        UART_PUT_TTGR(port,
                                        atmel_port->rs485.delay_rts_after_send);
                mode |= ATMEL_US_USMODE_RS485;
@@ -1228,7 +1228,7 @@ static void atmel_set_termios(struct uart_port *port, struct ktermios *termios,
        if (atmel_port->rs485.flags & SER_RS485_ENABLED) {
                dev_dbg(port->dev, "Setting UART to RS485\n");
-                if (atmel_port->rs485.flags & SER_RS485_RTS_AFTER_SEND)
+                if ((atmel_port->rs485.delay_rts_after_send) > 0)
                        UART_PUT_TTGR(port,
                                        atmel_port->rs485.delay_rts_after_send);
                mode |= ATMEL_US_USMODE_RS485;
@@ -1447,16 +1447,6 @@ static void __devinit atmel_of_init_port(struct atmel_uart_port *atmel_port,
                rs485conf->delay_rts_after_send = rs485_delay[1];
                rs485conf->flags = 0;
-                if (rs485conf->delay_rts_before_send == 0 &&
-                    rs485conf->delay_rts_after_send == 0) {
-                        rs485conf->flags |= SER_RS485_RTS_ON_SEND;
-                } else {
-                        if (rs485conf->delay_rts_before_send)
-                                rs485conf->flags |= SER_RS485_RTS_BEFORE_SEND;
-                        if (rs485conf->delay_rts_after_send)
-                                rs485conf->flags |= SER_RS485_RTS_AFTER_SEND;
-                }
                if (of_get_property(np, "rs485-rx-during-tx", NULL))
                        rs485conf->flags |= SER_RS485_RX_DURING_TX;
diff --git a/drivers/tty/serial/crisv10.c b/drivers/tty/serial/crisv10.c
index b7435043f2fe..1dfba7b779c8 100644
--- a/drivers/tty/serial/crisv10.c
+++ b/drivers/tty/serial/crisv10.c
@@ -3234,9 +3234,8 @@ rs_write(struct tty_struct *tty,
                e100_disable_rx(info);
                e100_enable_rx_irq(info);
 #endif
-                if ((info->rs485.flags & SER_RS485_RTS_BEFORE_SEND) &&
+                if (info->rs485.delay_rts_before_send > 0)
-                        (info->rs485.delay_rts_before_send > 0))
+                        msleep(info->rs485.delay_rts_before_send);
-                                msleep(info->rs485.delay_rts_before_send);
        }
 #endif /* CONFIG_ETRAX_RS485 */
@@ -3693,10 +3692,6 @@ rs_ioctl(struct tty_struct *tty,
                rs485data.delay_rts_before_send = rs485ctrl.delay_rts_before_send;
                rs485data.flags = 0;
-                if (rs485data.delay_rts_before_send != 0)
-                        rs485data.flags |= SER_RS485_RTS_BEFORE_SEND;
-                else
-                        rs485data.flags &= ~(SER_RS485_RTS_BEFORE_SEND);
                if (rs485ctrl.enabled)
                        rs485data.flags |= SER_RS485_ENABLED;
@@ -4531,7 +4526,6 @@ static int __init rs_init(void)
                /* Set sane defaults */
                info->rs485.flags &= ~(SER_RS485_RTS_ON_SEND);
                info->rs485.flags |= SER_RS485_RTS_AFTER_SEND;
-                info->rs485.flags &= ~(SER_RS485_RTS_BEFORE_SEND);
                info->rs485.delay_rts_before_send = 0;
                info->rs485.flags &= ~(SER_RS485_ENABLED);
 #endif
diff --git a/drivers/tty/serial/mfd.c b/drivers/tty/serial/mfd.c
index 286c386d9c46..e272d3919c67 100644
--- a/drivers/tty/serial/mfd.c
+++ b/drivers/tty/serial/mfd.c
@@ -884,7 +884,6 @@ serial_hsu_set_termios(struct uart_port *port, struct ktermios *termios,
 {
        struct uart_hsu_port *up =
                        container_of(port, struct uart_hsu_port, port);
-        struct tty_struct *tty = port->state->port.tty;
        unsigned char cval, fcr = 0;
        unsigned long flags;
        unsigned int baud, quot;
@@ -907,8 +906,7 @@ serial_hsu_set_termios(struct uart_port *port, struct ktermios *termios,
        }
        /* CMSPAR isn't supported by this driver */
-        if (tty)
+        termios->c_cflag &= ~CMSPAR;
-                tty->termios->c_cflag &= ~CMSPAR;
        if (termios->c_cflag & CSTOPB)
                cval |= UART_LCR_STOP;
diff --git a/drivers/tty/serial/pch_uart.c b/drivers/tty/serial/pch_uart.c
index 21febef926aa..d6aba8c087e4 100644
--- a/drivers/tty/serial/pch_uart.c
+++ b/drivers/tty/serial/pch_uart.c
@@ -1,5 +1,5 @@
 /*
- *Copyright (C) 2010 OKI SEMICONDUCTOR CO., LTD.
+ *Copyright (C) 2011 LAPIS Semiconductor Co., Ltd.
 *
 *This program is free software; you can redistribute it and/or modify
 *it under the terms of the GNU General Public License as published by
@@ -46,8 +46,8 @@ enum {
 /* Set the max number of UART port
 * Intel EG20T PCH: 4 port
- * OKI SEMICONDUCTOR ML7213 IOH: 3 port
+ * LAPIS Semiconductor ML7213 IOH: 3 port
- * OKI SEMICONDUCTOR ML7223 IOH: 2 port
+ * LAPIS Semiconductor ML7223 IOH: 2 port
 */
 #define PCH_UART_NR     4
@@ -258,6 +258,8 @@ enum pch_uart_num_t {
        pch_ml7213_uart2,
        pch_ml7223_uart0,
        pch_ml7223_uart1,
+        pch_ml7831_uart0,
+        pch_ml7831_uart1,
 };
 static struct pch_uart_driver_data drv_dat[] = {
@@ -270,6 +272,8 @@ static struct pch_uart_driver_data drv_dat[] = {
        [pch_ml7213_uart2] = {PCH_UART_2LINE, 2},
        [pch_ml7223_uart0] = {PCH_UART_8LINE, 0},
        [pch_ml7223_uart1] = {PCH_UART_2LINE, 1},
+        [pch_ml7831_uart0] = {PCH_UART_8LINE, 0},
+        [pch_ml7831_uart1] = {PCH_UART_2LINE, 1},
 };
 static unsigned int default_baud = 9600;
@@ -628,6 +632,7 @@ static void pch_request_dma(struct uart_port *port)
                dev_err(priv->port.dev, "%s:dma_request_channel FAILS(Rx)\n",
                        __func__);
                dma_release_channel(priv->chan_tx);
+                priv->chan_tx = NULL;
                return;
        }
@@ -1215,8 +1220,7 @@ static void pch_uart_shutdown(struct uart_port *port)
                dev_err(priv->port.dev,
                        "pch_uart_hal_set_fifo Failed(ret=%d)\n", ret);
-        if (priv->use_dma_flag)
+        pch_free_dma(port);
-                pch_free_dma(port);
        free_irq(priv->port.irq, priv);
 }
@@ -1280,6 +1284,7 @@ static void pch_uart_set_termios(struct uart_port *port,
        if (rtn)
                goto out;
+        pch_uart_set_mctrl(&priv->port, priv->port.mctrl);
        /* Don't rewrite B0 */
        if (tty_termios_baud_rate(termios))
                tty_termios_encode_baud_rate(termios, baud, baud);
@@ -1552,6 +1557,10 @@ static DEFINE_PCI_DEVICE_TABLE(pch_uart_pci_id) = {
         .driver_data = pch_ml7223_uart0},
        {PCI_DEVICE(PCI_VENDOR_ID_ROHM, 0x800D),
         .driver_data = pch_ml7223_uart1},
+        {PCI_DEVICE(PCI_VENDOR_ID_ROHM, 0x8811),
+         .driver_data = pch_ml7831_uart0},
+        {PCI_DEVICE(PCI_VENDOR_ID_ROHM, 0x8812),
+         .driver_data = pch_ml7831_uart1},
        {0,},
 };
diff --git a/drivers/tty/serial/sh-sci.c b/drivers/tty/serial/sh-sci.c
index 1945c70539c2..aff9d612dff0 100644
--- a/drivers/tty/serial/sh-sci.c
+++ b/drivers/tty/serial/sh-sci.c
@@ -207,6 +207,25 @@ static struct plat_sci_reg sci_regmap[SCIx_NR_REGTYPES][SCIx_NR_REGS] = {
        },
        /*
+         * Common SH-2(A) SCIF definitions for ports with FIFO data
+         * count registers.
+         */
+        [SCIx_SH2_SCIF_FIFODATA_REGTYPE] = {
+                [SCSMR]         = { 0x00, 16 },
+                [SCBRR]         = { 0x04,  8 },
+                [SCSCR]         = { 0x08, 16 },
+                [SCxTDR]        = { 0x0c,  8 },
+                [SCxSR]         = { 0x10, 16 },
+                [SCxRDR]        = { 0x14,  8 },
+                [SCFCR]         = { 0x18, 16 },
+                [SCFDR]         = { 0x1c, 16 },
+                [SCTFDR]        = sci_reg_invalid,
+                [SCRFDR]        = sci_reg_invalid,
+                [SCSPTR]        = { 0x20, 16 },
+                [SCLSR]         = { 0x24, 16 },
+        },
+        /*
         * Common SH-3 SCIF definitions.
         */
        [SCIx_SH3_SCIF_REGTYPE] = {
diff --git a/drivers/tty/tty_ldisc.c b/drivers/tty/tty_ldisc.c
index 512c49f98e85..8e0924f55446 100644
--- a/drivers/tty/tty_ldisc.c
+++ b/drivers/tty/tty_ldisc.c
@@ -36,6 +36,7 @@
 #include <linux/kmod.h>
 #include <linux/nsproxy.h>
+#include <linux/ratelimit.h>
 /*
 *      This guards the refcounted line discipline lists. The lock
@@ -547,15 +548,16 @@ static void tty_ldisc_flush_works(struct tty_struct *tty)
 /**
 *      tty_ldisc_wait_idle     -       wait for the ldisc to become idle
 *      @tty: tty to wait for
+ *      @timeout: for how long to wait at most
 *
 *      Wait for the line discipline to become idle. The discipline must
 *      have been halted for this to guarantee it remains idle.
 */
-static int tty_ldisc_wait_idle(struct tty_struct *tty)
+static int tty_ldisc_wait_idle(struct tty_struct *tty, long timeout)
 {
-        int ret;
+        long ret;
        ret = wait_event_timeout(tty_ldisc_idle,
-                        atomic_read(&tty->ldisc->users) == 1, 5 * HZ);
+                        atomic_read(&tty->ldisc->users) == 1, timeout);
        if (ret < 0)
                return ret;
        return ret > 0 ? 0 : -EBUSY;
@@ -665,7 +667,7 @@ int tty_set_ldisc(struct tty_struct *tty, int ldisc)
        tty_ldisc_flush_works(tty);
-        retval = tty_ldisc_wait_idle(tty);
+        retval = tty_ldisc_wait_idle(tty, 5 * HZ);
        tty_lock();
        mutex_lock(&tty->ldisc_mutex);
@@ -762,8 +764,6 @@ static int tty_ldisc_reinit(struct tty_struct *tty, int ldisc)
        if (IS_ERR(ld))
                return -1;
-        WARN_ON_ONCE(tty_ldisc_wait_idle(tty));
        tty_ldisc_close(tty, tty->ldisc);
        tty_ldisc_put(tty->ldisc);
        tty->ldisc = NULL;
@@ -838,7 +838,7 @@ void tty_ldisc_hangup(struct tty_struct *tty)
        tty_unlock();
        cancel_work_sync(&tty->buf.work);
        mutex_unlock(&tty->ldisc_mutex);
+retry:
        tty_lock();
        mutex_lock(&tty->ldisc_mutex);
@@ -847,6 +847,22 @@ void tty_ldisc_hangup(struct tty_struct *tty)
           it means auditing a lot of other paths so this is
           a FIXME */
        if (tty->ldisc) {       /* Not yet closed */
+                if (atomic_read(&tty->ldisc->users) != 1) {
+                        char cur_n[TASK_COMM_LEN], tty_n[64];
+                        long timeout = 3 * HZ;
+                        tty_unlock();
+                        while (tty_ldisc_wait_idle(tty, timeout) == -EBUSY) {
+                                timeout = MAX_SCHEDULE_TIMEOUT;
+                                printk_ratelimited(KERN_WARNING
+                                        "%s: waiting (%s) for %s took too long, but we keep waiting...\n",
+                                        __func__, get_task_comm(cur_n, current),
+                                        tty_name(tty, tty_n));
+                        }
+                        mutex_unlock(&tty->ldisc_mutex);
+                        goto retry;
+                }
                if (reset == 0) {
                        if (!tty_ldisc_reinit(tty, tty->termios->c_line))
diff --git a/drivers/usb/class/cdc-acm.c b/drivers/usb/class/cdc-acm.c
index 6960715c5063..a8078d0638fa 100644
--- a/drivers/usb/class/cdc-acm.c
+++ b/drivers/usb/class/cdc-acm.c
@@ -539,7 +539,6 @@ static void acm_port_down(struct acm *acm)
 {
        int i;
-        mutex_lock(&open_mutex);
        if (acm->dev) {
                usb_autopm_get_interface(acm->control);
                acm_set_control(acm, acm->ctrlout = 0);
@@ -551,14 +550,15 @@ static void acm_port_down(struct acm *acm)
                acm->control->needs_remote_wakeup = 0;
                usb_autopm_put_interface(acm->control);
        }
-        mutex_unlock(&open_mutex);
 }
 static void acm_tty_hangup(struct tty_struct *tty)
 {
        struct acm *acm = tty->driver_data;
        tty_port_hangup(&acm->port);
+        mutex_lock(&open_mutex);
        acm_port_down(acm);
+        mutex_unlock(&open_mutex);
 }
 static void acm_tty_close(struct tty_struct *tty, struct file *filp)
@@ -569,8 +569,9 @@ static void acm_tty_close(struct tty_struct *tty, struct file *filp)
           shutdown */
        if (!acm)
                return;
+        mutex_lock(&open_mutex);
        if (tty_port_close_start(&acm->port, tty, filp) == 0) {
-                mutex_lock(&open_mutex);
                if (!acm->dev) {
                        tty_port_tty_set(&acm->port, NULL);
                        acm_tty_unregister(acm);
@@ -582,6 +583,7 @@ static void acm_tty_close(struct tty_struct *tty, struct file *filp)
        acm_port_down(acm);
        tty_port_close_end(&acm->port, tty);
        tty_port_tty_set(&acm->port, NULL);
+        mutex_unlock(&open_mutex);
 }
 static int acm_tty_write(struct tty_struct *tty,
@@ -1456,6 +1458,16 @@ static const struct usb_device_id acm_ids[] = {
        },
        { USB_DEVICE(0x22b8, 0x6425), /* Motorola MOTOMAGX phones */
        },
+        /* Motorola H24 HSPA module: */
+        { USB_DEVICE(0x22b8, 0x2d91) }, /* modem                                */
+        { USB_DEVICE(0x22b8, 0x2d92) }, /* modem           + diagnostics        */
+        { USB_DEVICE(0x22b8, 0x2d93) }, /* modem + AT port                      */
+        { USB_DEVICE(0x22b8, 0x2d95) }, /* modem + AT port + diagnostics        */
+        { USB_DEVICE(0x22b8, 0x2d96) }, /* modem                         + NMEA */
+        { USB_DEVICE(0x22b8, 0x2d97) }, /* modem           + diagnostics + NMEA */
+        { USB_DEVICE(0x22b8, 0x2d99) }, /* modem + AT port               + NMEA */
+        { USB_DEVICE(0x22b8, 0x2d9a) }, /* modem + AT port + diagnostics + NMEA */
        { USB_DEVICE(0x0572, 0x1329), /* Hummingbird huc56s (Conexant) */
        .driver_info = NO_UNION_NORMAL, /* union descriptor misplaced on
                                           data interface instead of
diff --git a/drivers/usb/core/hub.c b/drivers/usb/core/hub.c
index 96f05b29c9ad..79781461eec9 100644
--- a/drivers/usb/core/hub.c
+++ b/drivers/usb/core/hub.c
@@ -813,6 +813,12 @@ static void hub_activate(struct usb_hub *hub, enum hub_activation_type type)
                                        USB_PORT_FEAT_C_PORT_LINK_STATE);
                }
+                if ((portchange & USB_PORT_STAT_C_BH_RESET) &&
+                                hub_is_superspeed(hub->hdev)) {
+                        need_debounce_delay = true;
+                        clear_port_feature(hub->hdev, port1,
+                                        USB_PORT_FEAT_C_BH_PORT_RESET);
+                }
                /* We can forget about a "removed" device when there's a
                 * physical disconnect or the connect status changes.
                 */
diff --git a/drivers/usb/core/quirks.c b/drivers/usb/core/quirks.c
index d6a8d8269bfb..ecf12e15a7ef 100644
--- a/drivers/usb/core/quirks.c
+++ b/drivers/usb/core/quirks.c
@@ -50,15 +50,42 @@ static const struct usb_device_id usb_quirk_list[] = {
        /* Logitech Webcam B/C500 */
        { USB_DEVICE(0x046d, 0x0807), .driver_info = USB_QUIRK_RESET_RESUME },
+        /* Logitech Webcam C600 */
+        { USB_DEVICE(0x046d, 0x0808), .driver_info = USB_QUIRK_RESET_RESUME },
        /* Logitech Webcam Pro 9000 */
        { USB_DEVICE(0x046d, 0x0809), .driver_info = USB_QUIRK_RESET_RESUME },
+        /* Logitech Webcam C905 */
+        { USB_DEVICE(0x046d, 0x080a), .driver_info = USB_QUIRK_RESET_RESUME },
+        /* Logitech Webcam C210 */
+        { USB_DEVICE(0x046d, 0x0819), .driver_info = USB_QUIRK_RESET_RESUME },
+        /* Logitech Webcam C260 */
+        { USB_DEVICE(0x046d, 0x081a), .driver_info = USB_QUIRK_RESET_RESUME },
        /* Logitech Webcam C310 */
        { USB_DEVICE(0x046d, 0x081b), .driver_info = USB_QUIRK_RESET_RESUME },
+        /* Logitech Webcam C910 */
+        { USB_DEVICE(0x046d, 0x0821), .driver_info = USB_QUIRK_RESET_RESUME },
+        /* Logitech Webcam C160 */
+        { USB_DEVICE(0x046d, 0x0824), .driver_info = USB_QUIRK_RESET_RESUME },
        /* Logitech Webcam C270 */
        { USB_DEVICE(0x046d, 0x0825), .driver_info = USB_QUIRK_RESET_RESUME },
+        /* Logitech Quickcam Pro 9000 */
+        { USB_DEVICE(0x046d, 0x0990), .driver_info = USB_QUIRK_RESET_RESUME },
+        /* Logitech Quickcam E3500 */
+        { USB_DEVICE(0x046d, 0x09a4), .driver_info = USB_QUIRK_RESET_RESUME },
+        /* Logitech Quickcam Vision Pro */
+        { USB_DEVICE(0x046d, 0x09a6), .driver_info = USB_QUIRK_RESET_RESUME },
        /* Logitech Harmony 700-series */
        { USB_DEVICE(0x046d, 0xc122), .driver_info = USB_QUIRK_DELAY_INIT },
diff --git a/drivers/usb/dwc3/gadget.c b/drivers/usb/dwc3/gadget.c
index fa824cfdd2eb..25dbd8614e72 100644
--- a/drivers/usb/dwc3/gadget.c
+++ b/drivers/usb/dwc3/gadget.c
@@ -1284,6 +1284,7 @@ static int __devinit dwc3_gadget_init_endpoints(struct dwc3 *dwc)
                        int             ret;
                        dep->endpoint.maxpacket = 1024;
+                        dep->endpoint.max_streams = 15;
                        dep->endpoint.ops = &dwc3_gadget_ep_ops;
                        list_add_tail(&dep->endpoint.ep_list,
                                        &dwc->gadget.ep_list);
diff --git a/drivers/usb/gadget/Kconfig b/drivers/usb/gadget/Kconfig
index b21cd376c11a..23a447373c51 100644
--- a/drivers/usb/gadget/Kconfig
+++ b/drivers/usb/gadget/Kconfig
@@ -469,7 +469,7 @@ config USB_LANGWELL
           gadget drivers to also be dynamically linked.
 config USB_EG20T
-        tristate "Intel EG20T PCH/OKI SEMICONDUCTOR ML7213 IOH UDC"
+        tristate "Intel EG20T PCH/LAPIS Semiconductor IOH(ML7213/ML7831) UDC"
        depends on PCI
        select USB_GADGET_DUALSPEED
        help
@@ -485,10 +485,11 @@ config USB_EG20T
          This driver dose not support interrupt transfer or isochronous
          transfer modes.
-          This driver also can be used for OKI SEMICONDUCTOR's ML7213 which is
+          This driver also can be used for LAPIS Semiconductor's ML7213 which is
          for IVI(In-Vehicle Infotainment) use.
-          ML7213 is companion chip for Intel Atom E6xx series.
+          ML7831 is for general purpose use.
-          ML7213 is completely compatible for Intel EG20T PCH.
+          ML7213/ML7831 is companion chip for Intel Atom E6xx series.
+          ML7213/ML7831 is completely compatible for Intel EG20T PCH.
 config USB_CI13XXX_MSM
        tristate "MIPS USB CI13xxx for MSM"
diff --git a/drivers/usb/gadget/amd5536udc.c b/drivers/usb/gadget/amd5536udc.c
index 4730016d7cd4..45f422ac103f 100644
--- a/drivers/usb/gadget/amd5536udc.c
+++ b/drivers/usb/gadget/amd5536udc.c
@@ -1959,7 +1959,7 @@ static int amd5536_start(struct usb_gadget_driver *driver,
        u32 tmp;
        if (!driver || !bind || !driver->setup
-                        || driver->speed != USB_SPEED_HIGH)
+                        || driver->speed < USB_SPEED_HIGH)
                return -EINVAL;
        if (!dev)
                return -ENODEV;
diff --git a/drivers/usb/gadget/ci13xxx_msm.c b/drivers/usb/gadget/ci13xxx_msm.c
index 4eedfe557154..1fc612914c52 100644
--- a/drivers/usb/gadget/ci13xxx_msm.c
+++ b/drivers/usb/gadget/ci13xxx_msm.c
@@ -122,3 +122,5 @@ static int __init ci13xxx_msm_init(void)
        return platform_driver_register(&ci13xxx_msm_driver);
 }
 module_init(ci13xxx_msm_init);
+MODULE_LICENSE("GPL v2");
diff --git a/drivers/usb/gadget/ci13xxx_udc.c b/drivers/usb/gadget/ci13xxx_udc.c
index 83428f56253b..9a0c3979ff43 100644
--- a/drivers/usb/gadget/ci13xxx_udc.c
+++ b/drivers/usb/gadget/ci13xxx_udc.c
@@ -71,6 +71,9 @@
 /******************************************************************************
 * DEFINE
 *****************************************************************************/
+#define DMA_ADDR_INVALID        (~(dma_addr_t)0)
 /* ctrl register bank access */
 static DEFINE_SPINLOCK(udc_lock);
@@ -1434,7 +1437,7 @@ static int _hardware_enqueue(struct ci13xxx_ep *mEp, struct ci13xxx_req *mReq)
                return -EALREADY;
        mReq->req.status = -EALREADY;
-        if (length && !mReq->req.dma) {
+        if (length && mReq->req.dma == DMA_ADDR_INVALID) {
                mReq->req.dma = \
                        dma_map_single(mEp->device, mReq->req.buf,
                                       length, mEp->dir ? DMA_TO_DEVICE :
@@ -1453,7 +1456,7 @@ static int _hardware_enqueue(struct ci13xxx_ep *mEp, struct ci13xxx_req *mReq)
                                dma_unmap_single(mEp->device, mReq->req.dma,
                                        length, mEp->dir ? DMA_TO_DEVICE :
                                        DMA_FROM_DEVICE);
-                                mReq->req.dma = 0;
+                                mReq->req.dma = DMA_ADDR_INVALID;
                                mReq->map     = 0;
                        }
                        return -ENOMEM;
@@ -1549,7 +1552,7 @@ static int _hardware_dequeue(struct ci13xxx_ep *mEp, struct ci13xxx_req *mReq)
        if (mReq->map) {
                dma_unmap_single(mEp->device, mReq->req.dma, mReq->req.length,
                                 mEp->dir ? DMA_TO_DEVICE : DMA_FROM_DEVICE);
-                mReq->req.dma = 0;
+                mReq->req.dma = DMA_ADDR_INVALID;
                mReq->map     = 0;
        }
@@ -1610,7 +1613,6 @@ __acquires(mEp->lock)
 * @gadget: gadget
 *
 * This function returns an error code
- * Caller must hold lock
 */
 static int _gadget_stop_activity(struct usb_gadget *gadget)
 {
@@ -2189,6 +2191,7 @@ static struct usb_request *ep_alloc_request(struct usb_ep *ep, gfp_t gfp_flags)
        mReq = kzalloc(sizeof(struct ci13xxx_req), gfp_flags);
        if (mReq != NULL) {
                INIT_LIST_HEAD(&mReq->queue);
+                mReq->req.dma = DMA_ADDR_INVALID;
                mReq->ptr = dma_pool_alloc(mEp->td_pool, gfp_flags,
                                           &mReq->dma);
@@ -2328,7 +2331,7 @@ static int ep_dequeue(struct usb_ep *ep, struct usb_request *req)
        if (mReq->map) {
                dma_unmap_single(mEp->device, mReq->req.dma, mReq->req.length,
                                 mEp->dir ? DMA_TO_DEVICE : DMA_FROM_DEVICE);
-                mReq->req.dma = 0;
+                mReq->req.dma = DMA_ADDR_INVALID;
                mReq->map     = 0;
        }
        req->status = -ECONNRESET;
@@ -2500,12 +2503,12 @@ static int ci13xxx_wakeup(struct usb_gadget *_gadget)
        spin_lock_irqsave(udc->lock, flags);
        if (!udc->remote_wakeup) {
                ret = -EOPNOTSUPP;
-                dbg_trace("remote wakeup feature is not enabled\n");
+                trace("remote wakeup feature is not enabled\n");
                goto out;
        }
        if (!hw_cread(CAP_PORTSC, PORTSC_SUSP)) {
                ret = -EINVAL;
-                dbg_trace("port is not suspended\n");
+                trace("port is not suspended\n");
                goto out;
        }
        hw_cwrite(CAP_PORTSC, PORTSC_FPR, PORTSC_FPR);
@@ -2703,7 +2706,9 @@ static int ci13xxx_stop(struct usb_gadget_driver *driver)
                if (udc->udc_driver->notify_event)
                        udc->udc_driver->notify_event(udc,
                        CI13XXX_CONTROLLER_STOPPED_EVENT);
+                spin_unlock_irqrestore(udc->lock, flags);
                _gadget_stop_activity(&udc->gadget);
+                spin_lock_irqsave(udc->lock, flags);
                pm_runtime_put(&udc->gadget.dev);
        }
@@ -2850,7 +2855,7 @@ static int udc_probe(struct ci13xxx_udc_driver *driver, struct device *dev,
        struct ci13xxx *udc;
        int retval = 0;
-        trace("%p, %p, %p", dev, regs, name);
+        trace("%p, %p, %p", dev, regs, driver->name);
        if (dev == NULL || regs == NULL || driver == NULL ||
                        driver->name == NULL)
diff --git a/drivers/usb/gadget/f_mass_storage.c b/drivers/usb/gadget/f_mass_storage.c
index 52583a235330..1a6f415c0d02 100644
--- a/drivers/usb/gadget/f_mass_storage.c
+++ b/drivers/usb/gadget/f_mass_storage.c
@@ -624,7 +624,8 @@ static int fsg_setup(struct usb_function *f,
                if (ctrl->bRequestType !=
                    (USB_DIR_OUT | USB_TYPE_CLASS | USB_RECIP_INTERFACE))
                        break;
-                if (w_index != fsg->interface_number || w_value != 0)
+                if (w_index != fsg->interface_number || w_value != 0 ||
+                                w_length != 0)
                        return -EDOM;
                /*
@@ -639,7 +640,8 @@ static int fsg_setup(struct usb_function *f,
                if (ctrl->bRequestType !=
                    (USB_DIR_IN | USB_TYPE_CLASS | USB_RECIP_INTERFACE))
                        break;
-                if (w_index != fsg->interface_number || w_value != 0)
+                if (w_index != fsg->interface_number || w_value != 0 ||
+                                w_length != 1)
                        return -EDOM;
                VDBG(fsg, "get max LUN\n");
                *(u8 *)req->buf = fsg->common->nluns - 1;
@@ -2973,6 +2975,7 @@ static void fsg_unbind(struct usb_configuration *c, struct usb_function *f)
        fsg_common_put(common);
        usb_free_descriptors(fsg->function.descriptors);
        usb_free_descriptors(fsg->function.hs_descriptors);
+        usb_free_descriptors(fsg->function.ss_descriptors);
        kfree(fsg);
 }
diff --git a/drivers/usb/gadget/f_midi.c b/drivers/usb/gadget/f_midi.c
index 67b222908cf9..3797b3d6c622 100644
--- a/drivers/usb/gadget/f_midi.c
+++ b/drivers/usb/gadget/f_midi.c
@@ -95,7 +95,6 @@ static void f_midi_transmit(struct f_midi *midi, struct usb_request *req);
 DECLARE_UAC_AC_HEADER_DESCRIPTOR(1);
 DECLARE_USB_MIDI_OUT_JACK_DESCRIPTOR(1);
-DECLARE_USB_MIDI_OUT_JACK_DESCRIPTOR(16);
 DECLARE_USB_MS_ENDPOINT_DESCRIPTOR(16);
 /* B.3.1  Standard AC Interface Descriptor */
@@ -140,26 +139,6 @@ static struct usb_ms_header_descriptor ms_header_desc __initdata = {
        /* .wTotalLength =      DYNAMIC */
 };
-/* B.4.3  Embedded MIDI IN Jack Descriptor */
-static struct usb_midi_in_jack_descriptor jack_in_emb_desc = {
-        .bLength =            USB_DT_MIDI_IN_SIZE,
-        .bDescriptorType =      USB_DT_CS_INTERFACE,
-        .bDescriptorSubtype =   USB_MS_MIDI_IN_JACK,
-        .bJackType =        USB_MS_EMBEDDED,
-        /* .bJackID =           DYNAMIC */
-};
-/* B.4.4  Embedded MIDI OUT Jack Descriptor */
-static struct usb_midi_out_jack_descriptor_16 jack_out_emb_desc = {
-        /* .bLength =           DYNAMIC */
-        .bDescriptorType =      USB_DT_CS_INTERFACE,
-        .bDescriptorSubtype =   USB_MS_MIDI_OUT_JACK,
-        .bJackType =            USB_MS_EMBEDDED,
-        /* .bJackID =           DYNAMIC */
-        /* .bNrInputPins =      DYNAMIC */
-        /* .pins =              DYNAMIC */
-};
 /* B.5.1  Standard Bulk OUT Endpoint Descriptor */
 static struct usb_endpoint_descriptor bulk_out_desc = {
        .bLength =              USB_DT_ENDPOINT_AUDIO_SIZE,
@@ -758,9 +737,11 @@ fail:
 static int __init
 f_midi_bind(struct usb_configuration *c, struct usb_function *f)
 {
-        struct usb_descriptor_header *midi_function[(MAX_PORTS * 2) + 12];
+        struct usb_descriptor_header **midi_function;
        struct usb_midi_in_jack_descriptor jack_in_ext_desc[MAX_PORTS];
+        struct usb_midi_in_jack_descriptor jack_in_emb_desc[MAX_PORTS];
        struct usb_midi_out_jack_descriptor_1 jack_out_ext_desc[MAX_PORTS];
+        struct usb_midi_out_jack_descriptor_1 jack_out_emb_desc[MAX_PORTS];
        struct usb_composite_dev *cdev = c->cdev;
        struct f_midi *midi = func_to_midi(f);
        int status, n, jack = 1, i = 0;
@@ -798,6 +779,14 @@ f_midi_bind(struct usb_configuration *c, struct usb_function *f)
                goto fail;
        midi->out_ep->driver_data = cdev;       /* claim */
+        /* allocate temporary function list */
+        midi_function = kcalloc((MAX_PORTS * 4) + 9, sizeof(midi_function),
+                                GFP_KERNEL);
+        if (!midi_function) {
+                status = -ENOMEM;
+                goto fail;
+        }
        /*
         * construct the function's descriptor set. As the number of
         * input and output MIDI ports is configurable, we have to do
@@ -811,73 +800,74 @@ f_midi_bind(struct usb_configuration *c, struct usb_function *f)
        /* calculate the header's wTotalLength */
        n = USB_DT_MS_HEADER_SIZE
-                + (1 + midi->in_ports) * USB_DT_MIDI_IN_SIZE
+                + (midi->in_ports + midi->out_ports) *
-                + (1 + midi->out_ports) * USB_DT_MIDI_OUT_SIZE(1);
+                        (USB_DT_MIDI_IN_SIZE + USB_DT_MIDI_OUT_SIZE(1));
        ms_header_desc.wTotalLength = cpu_to_le16(n);
        midi_function[i++] = (struct usb_descriptor_header *) &ms_header_desc;
-        /* we have one embedded IN jack */
+        /* configure the external IN jacks, each linked to an embedded OUT jack */
-        jack_in_emb_desc.bJackID = jack++;
-        midi_function[i++] = (struct usb_descriptor_header *) &jack_in_emb_desc;
-        /* and a dynamic amount of external IN jacks */
-        for (n = 0; n < midi->in_ports; n++) {
-                struct usb_midi_in_jack_descriptor *ext = &jack_in_ext_desc[n];
-                ext->bLength =                  USB_DT_MIDI_IN_SIZE;
-                ext->bDescriptorType =          USB_DT_CS_INTERFACE;
-                ext->bDescriptorSubtype =       USB_MS_MIDI_IN_JACK;
-                ext->bJackType =                USB_MS_EXTERNAL;
-                ext->bJackID =                  jack++;
-                ext->iJack =                    0;
-                midi_function[i++] = (struct usb_descriptor_header *) ext;
-        }
-        /* one embedded OUT jack ... */
-        jack_out_emb_desc.bLength = USB_DT_MIDI_OUT_SIZE(midi->in_ports);
-        jack_out_emb_desc.bJackID = jack++;
-        jack_out_emb_desc.bNrInputPins = midi->in_ports;
-        /* ... which referencess all external IN jacks */
        for (n = 0; n < midi->in_ports; n++) {
-                jack_out_emb_desc.pins[n].baSourceID = jack_in_ext_desc[n].bJackID;
+                struct usb_midi_in_jack_descriptor *in_ext = &jack_in_ext_desc[n];
-                jack_out_emb_desc.pins[n].baSourcePin = 1;
+                struct usb_midi_out_jack_descriptor_1 *out_emb = &jack_out_emb_desc[n];
+                in_ext->bLength                 = USB_DT_MIDI_IN_SIZE;
+                in_ext->bDescriptorType         = USB_DT_CS_INTERFACE;
+                in_ext->bDescriptorSubtype      = USB_MS_MIDI_IN_JACK;
+                in_ext->bJackType               = USB_MS_EXTERNAL;
+                in_ext->bJackID                 = jack++;
+                in_ext->iJack                   = 0;
+                midi_function[i++] = (struct usb_descriptor_header *) in_ext;
+                out_emb->bLength                = USB_DT_MIDI_OUT_SIZE(1);
+                out_emb->bDescriptorType        = USB_DT_CS_INTERFACE;
+                out_emb->bDescriptorSubtype     = USB_MS_MIDI_OUT_JACK;
+                out_emb->bJackType              = USB_MS_EMBEDDED;
+                out_emb->bJackID                = jack++;
+                out_emb->bNrInputPins           = 1;
+                out_emb->pins[0].baSourcePin    = 1;
+                out_emb->pins[0].baSourceID     = in_ext->bJackID;
+                out_emb->iJack                  = 0;
+                midi_function[i++] = (struct usb_descriptor_header *) out_emb;
+                /* link it to the endpoint */
+                ms_in_desc.baAssocJackID[n] = out_emb->bJackID;
        }
-        midi_function[i++] = (struct usb_descriptor_header *) &jack_out_emb_desc;
+        /* configure the external OUT jacks, each linked to an embedded IN jack */
-        /* and multiple external OUT jacks ... */
        for (n = 0; n < midi->out_ports; n++) {
-                struct usb_midi_out_jack_descriptor_1 *ext = &jack_out_ext_desc[n];
+                struct usb_midi_in_jack_descriptor *in_emb = &jack_in_emb_desc[n];
-                int m;
+                struct usb_midi_out_jack_descriptor_1 *out_ext = &jack_out_ext_desc[n];
-                ext->bLength =                  USB_DT_MIDI_OUT_SIZE(1);
+                in_emb->bLength                 = USB_DT_MIDI_IN_SIZE;
-                ext->bDescriptorType =          USB_DT_CS_INTERFACE;
+                in_emb->bDescriptorType         = USB_DT_CS_INTERFACE;
-                ext->bDescriptorSubtype =       USB_MS_MIDI_OUT_JACK;
+                in_emb->bDescriptorSubtype      = USB_MS_MIDI_IN_JACK;
-                ext->bJackType =                USB_MS_EXTERNAL;
+                in_emb->bJackType               = USB_MS_EMBEDDED;
-                ext->bJackID =                  jack++;
+                in_emb->bJackID                 = jack++;
-                ext->bNrInputPins =             1;
+                in_emb->iJack                   = 0;
-                ext->iJack =                    0;
+                midi_function[i++] = (struct usb_descriptor_header *) in_emb;
-                /* ... which all reference the same embedded IN jack */
-                for (m = 0; m < midi->out_ports; m++) {
+                out_ext->bLength =              USB_DT_MIDI_OUT_SIZE(1);
-                        ext->pins[m].baSourceID =       jack_in_emb_desc.bJackID;
+                out_ext->bDescriptorType =      USB_DT_CS_INTERFACE;
-                        ext->pins[m].baSourcePin =      1;
+                out_ext->bDescriptorSubtype =   USB_MS_MIDI_OUT_JACK;
-                }
+                out_ext->bJackType =            USB_MS_EXTERNAL;
+                out_ext->bJackID =              jack++;
-                midi_function[i++] = (struct usb_descriptor_header *) ext;
+                out_ext->bNrInputPins =         1;
+                out_ext->iJack =                0;
+                out_ext->pins[0].baSourceID =   in_emb->bJackID;
+                out_ext->pins[0].baSourcePin =  1;
+                midi_function[i++] = (struct usb_descriptor_header *) out_ext;
+                /* link it to the endpoint */
+                ms_out_desc.baAssocJackID[n] = in_emb->bJackID;
        }
        /* configure the endpoint descriptors ... */
        ms_out_desc.bLength = USB_DT_MS_ENDPOINT_SIZE(midi->in_ports);
        ms_out_desc.bNumEmbMIDIJack = midi->in_ports;
-        for (n = 0; n < midi->in_ports; n++)
-                ms_out_desc.baAssocJackID[n] = jack_in_emb_desc.bJackID;
        ms_in_desc.bLength = USB_DT_MS_ENDPOINT_SIZE(midi->out_ports);
        ms_in_desc.bNumEmbMIDIJack = midi->out_ports;
-        for (n = 0; n < midi->out_ports; n++)
-                ms_in_desc.baAssocJackID[n] = jack_out_emb_desc.bJackID;
        /* ... and add them to the list */
        midi_function[i++] = (struct usb_descriptor_header *) &bulk_out_desc;
@@ -901,6 +891,8 @@ f_midi_bind(struct usb_configuration *c, struct usb_function *f)
                f->descriptors = usb_copy_descriptors(midi_function);
        }
+        kfree(midi_function);
        return 0;
 fail:
diff --git a/drivers/usb/gadget/f_phonet.c b/drivers/usb/gadget/f_phonet.c
index 349077033338..16a509ae517b 100644
--- a/drivers/usb/gadget/f_phonet.c
+++ b/drivers/usb/gadget/f_phonet.c
@@ -346,7 +346,7 @@ static void pn_rx_complete(struct usb_ep *ep, struct usb_request *req)
                }
                skb_add_rx_frag(skb, skb_shinfo(skb)->nr_frags, page,
-                                skb->len == 0, req->actual);
+                                skb->len <= 1, req->actual);
                page = NULL;
                if (req->actual < req->length) { /* Last fragment */
diff --git a/drivers/usb/gadget/f_serial.c b/drivers/usb/gadget/f_serial.c
index 91fdf790ed20..cf33a8d0fd5d 100644
--- a/drivers/usb/gadget/f_serial.c
+++ b/drivers/usb/gadget/f_serial.c
@@ -131,8 +131,8 @@ static int gser_set_alt(struct usb_function *f, unsigned intf, unsigned alt)
        }
        if (!gser->port.in->desc || !gser->port.out->desc) {
                DBG(cdev, "activate generic ttyGS%d\n", gser->port_num);
-                if (!config_ep_by_speed(cdev->gadget, f, gser->port.in) ||
+                if (config_ep_by_speed(cdev->gadget, f, gser->port.in) ||
-                    !config_ep_by_speed(cdev->gadget, f, gser->port.out)) {
+                    config_ep_by_speed(cdev->gadget, f, gser->port.out)) {
                        gser->port.in->desc = NULL;
                        gser->port.out->desc = NULL;
                        return -EINVAL;
diff --git a/drivers/usb/gadget/file_storage.c b/drivers/usb/gadget/file_storage.c
index f7e39b0365ce..11b5196284ae 100644
--- a/drivers/usb/gadget/file_storage.c
+++ b/drivers/usb/gadget/file_storage.c
@@ -859,7 +859,7 @@ static int class_setup_req(struct fsg_dev *fsg,
                        if (ctrl->bRequestType != (USB_DIR_OUT |
                                        USB_TYPE_CLASS | USB_RECIP_INTERFACE))
                                break;
-                        if (w_index != 0 || w_value != 0) {
+                        if (w_index != 0 || w_value != 0 || w_length != 0) {
                                value = -EDOM;
                                break;
                        }
@@ -875,7 +875,7 @@ static int class_setup_req(struct fsg_dev *fsg,
                        if (ctrl->bRequestType != (USB_DIR_IN |
                                        USB_TYPE_CLASS | USB_RECIP_INTERFACE))
                                break;
-                        if (w_index != 0 || w_value != 0) {
+                        if (w_index != 0 || w_value != 0 || w_length != 1) {
                                value = -EDOM;
                                break;
                        }
diff --git a/drivers/usb/gadget/fsl_mxc_udc.c b/drivers/usb/gadget/fsl_mxc_udc.c
index 43a49ecc1f36..dcbc0a2e48dd 100644
--- a/drivers/usb/gadget/fsl_mxc_udc.c
+++ b/drivers/usb/gadget/fsl_mxc_udc.c
@@ -16,6 +16,7 @@
 #include <linux/err.h>
 #include <linux/fsl_devices.h>
 #include <linux/platform_device.h>
+#include <linux/io.h>
 #include <mach/hardware.h>
@@ -88,7 +89,6 @@ eenahb:
 void fsl_udc_clk_finalize(struct platform_device *pdev)
 {
        struct fsl_usb2_platform_data *pdata = pdev->dev.platform_data;
-#if defined(CONFIG_SOC_IMX35)
        if (cpu_is_mx35()) {
                unsigned int v;
@@ -101,7 +101,6 @@ void fsl_udc_clk_finalize(struct platform_device *pdev)
                                        USBPHYCTRL_OTGBASE_OFFSET));
                }
        }
-#endif
        /* ULPI transceivers don't need usbpll */
        if (pdata->phy_mode == FSL_USB2_PHY_ULPI) {
diff --git a/drivers/usb/gadget/fsl_qe_udc.c b/drivers/usb/gadget/fsl_qe_udc.c
index 2a03e4de11c1..e00cf92409ce 100644
--- a/drivers/usb/gadget/fsl_qe_udc.c
+++ b/drivers/usb/gadget/fsl_qe_udc.c
@@ -2336,8 +2336,7 @@ static int fsl_qe_start(struct usb_gadget_driver *driver,
        if (!udc_controller)
                return -ENODEV;
-        if (!driver || (driver->speed != USB_SPEED_FULL
+        if (!driver || driver->speed < USB_SPEED_FULL
-                        && driver->speed != USB_SPEED_HIGH)
                        || !bind || !driver->disconnect || !driver->setup)
                return -EINVAL;
diff --git a/drivers/usb/gadget/fsl_udc_core.c b/drivers/usb/gadget/fsl_udc_core.c
index b2c44e1d5813..dd28ef3def71 100644
--- a/drivers/usb/gadget/fsl_udc_core.c
+++ b/drivers/usb/gadget/fsl_udc_core.c
@@ -696,12 +696,31 @@ static void fsl_free_request(struct usb_ep *_ep, struct usb_request *_req)
                kfree(req);
 }
-/*-------------------------------------------------------------------------*/
+/* Actually add a dTD chain to an empty dQH and let go */
+static void fsl_prime_ep(struct fsl_ep *ep, struct ep_td_struct *td)
+{
+        struct ep_queue_head *qh = get_qh_by_ep(ep);
+        /* Write dQH next pointer and terminate bit to 0 */
+        qh->next_dtd_ptr = cpu_to_hc32(td->td_dma
+                        & EP_QUEUE_HEAD_NEXT_POINTER_MASK);
+        /* Clear active and halt bit */
+        qh->size_ioc_int_sts &= cpu_to_hc32(~(EP_QUEUE_HEAD_STATUS_ACTIVE
+                                        | EP_QUEUE_HEAD_STATUS_HALT));
+        /* Ensure that updates to the QH will occur before priming. */
+        wmb();
+        /* Prime endpoint by writing correct bit to ENDPTPRIME */
+        fsl_writel(ep_is_in(ep) ? (1 << (ep_index(ep) + 16))
+                        : (1 << (ep_index(ep))), &dr_regs->endpointprime);
+}
+/* Add dTD chain to the dQH of an EP */
 static void fsl_queue_td(struct fsl_ep *ep, struct fsl_req *req)
 {
-        int i = ep_index(ep) * 2 + ep_is_in(ep);
        u32 temp, bitmask, tmp_stat;
-        struct ep_queue_head *dQH = &ep->udc->ep_qh[i];
        /* VDBG("QH addr Register 0x%8x", dr_regs->endpointlistaddr);
        VDBG("ep_qh[%d] addr is 0x%8x", i, (u32)&(ep->udc->ep_qh[i])); */
@@ -719,7 +738,7 @@ static void fsl_queue_td(struct fsl_ep *ep, struct fsl_req *req)
                        cpu_to_hc32(req->head->td_dma & DTD_ADDR_MASK);
                /* Read prime bit, if 1 goto done */
                if (fsl_readl(&dr_regs->endpointprime) & bitmask)
-                        goto out;
+                        return;
                do {
                        /* Set ATDTW bit in USBCMD */
@@ -736,28 +755,10 @@ static void fsl_queue_td(struct fsl_ep *ep, struct fsl_req *req)
                fsl_writel(temp & ~USB_CMD_ATDTW, &dr_regs->usbcmd);
                if (tmp_stat)
-                        goto out;
+                        return;
        }
-        /* Write dQH next pointer and terminate bit to 0 */
+        fsl_prime_ep(ep, req->head);
-        temp = req->head->td_dma & EP_QUEUE_HEAD_NEXT_POINTER_MASK;
-        dQH->next_dtd_ptr = cpu_to_hc32(temp);
-        /* Clear active and halt bit */
-        temp = cpu_to_hc32(~(EP_QUEUE_HEAD_STATUS_ACTIVE
-                        | EP_QUEUE_HEAD_STATUS_HALT));
-        dQH->size_ioc_int_sts &= temp;
-        /* Ensure that updates to the QH will occur before priming. */
-        wmb();
-        /* Prime endpoint by writing 1 to ENDPTPRIME */
-        temp = ep_is_in(ep)
-                ? (1 << (ep_index(ep) + 16))
-                : (1 << (ep_index(ep)));
-        fsl_writel(temp, &dr_regs->endpointprime);
-out:
-        return;
 }
 /* Fill in the dTD structure
@@ -877,7 +878,7 @@ fsl_ep_queue(struct usb_ep *_ep, struct usb_request *_req, gfp_t gfp_flags)
                VDBG("%s, bad ep", __func__);
                return -EINVAL;
        }
-        if (ep->desc->bmAttributes == USB_ENDPOINT_XFER_ISOC) {
+        if (usb_endpoint_xfer_isoc(ep->desc)) {
                if (req->req.length > ep->ep.maxpacket)
                        return -EMSGSIZE;
        }
@@ -973,25 +974,20 @@ static int fsl_ep_dequeue(struct usb_ep *_ep, struct usb_request *_req)
                /* The request isn't the last request in this ep queue */
                if (req->queue.next != &ep->queue) {
-                        struct ep_queue_head *qh;
                        struct fsl_req *next_req;
-                        qh = ep->qh;
                        next_req = list_entry(req->queue.next, struct fsl_req,
                                        queue);
-                        /* Point the QH to the first TD of next request */
+                        /* prime with dTD of next request */
-                        fsl_writel((u32) next_req->head, &qh->curr_dtd_ptr);
+                        fsl_prime_ep(ep, next_req->head);
                }
+        /* The request hasn't been processed, patch up the TD chain */
-                /* The request hasn't been processed, patch up the TD chain */
        } else {
                struct fsl_req *prev_req;
                prev_req = list_entry(req->queue.prev, struct fsl_req, queue);
-                fsl_writel(fsl_readl(&req->tail->next_td_ptr),
+                prev_req->tail->next_td_ptr = req->tail->next_td_ptr;
-                                &prev_req->tail->next_td_ptr);
        }
        done(ep, req, -ECONNRESET);
@@ -1032,7 +1028,7 @@ static int fsl_ep_set_halt(struct usb_ep *_ep, int value)
                goto out;
        }
-        if (ep->desc->bmAttributes == USB_ENDPOINT_XFER_ISOC) {
+        if (usb_endpoint_xfer_isoc(ep->desc)) {
                status = -EOPNOTSUPP;
                goto out;
        }
@@ -1068,7 +1064,7 @@ static int fsl_ep_fifo_status(struct usb_ep *_ep)
        struct fsl_udc *udc;
        int size = 0;
        u32 bitmask;
-        struct ep_queue_head *d_qh;
+        struct ep_queue_head *qh;
        ep = container_of(_ep, struct fsl_ep, ep);
        if (!_ep || (!ep->desc && ep_index(ep) != 0))
@@ -1079,13 +1075,13 @@ static int fsl_ep_fifo_status(struct usb_ep *_ep)
        if (!udc->driver || udc->gadget.speed == USB_SPEED_UNKNOWN)
                return -ESHUTDOWN;
-        d_qh = &ep->udc->ep_qh[ep_index(ep) * 2 + ep_is_in(ep)];
+        qh = get_qh_by_ep(ep);
        bitmask = (ep_is_in(ep)) ? (1 << (ep_index(ep) + 16)) :
            (1 << (ep_index(ep)));
        if (fsl_readl(&dr_regs->endptstatus) & bitmask)
-                size = (d_qh->size_ioc_int_sts & DTD_PACKET_SIZE)
+                size = (qh->size_ioc_int_sts & DTD_PACKET_SIZE)
                    >> DTD_LENGTH_BIT_POS;
        pr_debug("%s %u\n", __func__, size);
@@ -1717,7 +1713,7 @@ static void dtd_complete_irq(struct fsl_udc *udc)
 static inline enum usb_device_speed portscx_device_speed(u32 reg)
 {
-        switch (speed & PORTSCX_PORT_SPEED_MASK) {
+        switch (reg & PORTSCX_PORT_SPEED_MASK) {
        case PORTSCX_PORT_SPEED_HIGH:
                return USB_SPEED_HIGH;
        case PORTSCX_PORT_SPEED_FULL:
@@ -1938,8 +1934,7 @@ static int fsl_start(struct usb_gadget_driver *driver,
        if (!udc_controller)
                return -ENODEV;
-        if (!driver || (driver->speed != USB_SPEED_FULL
+        if (!driver || driver->speed < USB_SPEED_FULL
-                                && driver->speed != USB_SPEED_HIGH)
                        || !bind || !driver->disconnect || !driver->setup)
                return -EINVAL;
@@ -2480,8 +2475,7 @@ static int __init fsl_udc_probe(struct platform_device *pdev)
 #ifndef CONFIG_ARCH_MXC
        if (pdata->have_sysif_regs)
-                usb_sys_regs = (struct usb_sys_interface *)
+                usb_sys_regs = (void *)dr_regs + USB_DR_SYS_OFFSET;
-                                ((u32)dr_regs + USB_DR_SYS_OFFSET);
 #endif
        /* Initialize USB clocks */
diff --git a/drivers/usb/gadget/fsl_usb2_udc.h b/drivers/usb/gadget/fsl_usb2_udc.h
index 1d51be83fda8..f781f5dec417 100644
--- a/drivers/usb/gadget/fsl_usb2_udc.h
+++ b/drivers/usb/gadget/fsl_usb2_udc.h
@@ -569,6 +569,16 @@ static void dump_msg(const char *label, const u8 * buf, unsigned int length)
                                        * 2 + ((windex & USB_DIR_IN) ? 1 : 0))
 #define get_pipe_by_ep(EP)      (ep_index(EP) * 2 + ep_is_in(EP))
+static inline struct ep_queue_head *get_qh_by_ep(struct fsl_ep *ep)
+{
+        /* we only have one ep0 structure but two queue heads */
+        if (ep_index(ep) != 0)
+                return ep->qh;
+        else
+                return &ep->udc->ep_qh[(ep->udc->ep0_dir ==
+                                USB_DIR_IN) ? 1 : 0];
+}
 struct platform_device;
 #ifdef CONFIG_ARCH_MXC
 int fsl_udc_clk_init(struct platform_device *pdev);
diff --git a/drivers/usb/gadget/inode.c b/drivers/usb/gadget/inode.c
index a392ec0d2d51..6ccae2707e59 100644
--- a/drivers/usb/gadget/inode.c
+++ b/drivers/usb/gadget/inode.c
@@ -1730,8 +1730,9 @@ static void
 gadgetfs_disconnect (struct usb_gadget *gadget)
 {
        struct dev_data         *dev = get_gadget_data (gadget);
+        unsigned long           flags;
-        spin_lock (&dev->lock);
+        spin_lock_irqsave (&dev->lock, flags);
        if (dev->state == STATE_DEV_UNCONNECTED)
                goto exit;
        dev->state = STATE_DEV_UNCONNECTED;
@@ -1740,7 +1741,7 @@ gadgetfs_disconnect (struct usb_gadget *gadget)
        next_event (dev, GADGETFS_DISCONNECT);
        ep0_readable (dev);
 exit:
-        spin_unlock (&dev->lock);
+        spin_unlock_irqrestore (&dev->lock, flags);
 }
 static void
diff --git a/drivers/usb/gadget/m66592-udc.c b/drivers/usb/gadget/m66592-udc.c
index 91d0af2a24a8..9aa1cbbee45b 100644
--- a/drivers/usb/gadget/m66592-udc.c
+++ b/drivers/usb/gadget/m66592-udc.c
@@ -1472,7 +1472,7 @@ static int m66592_start(struct usb_gadget_driver *driver,
        int retval;
        if (!driver
-                        || driver->speed != USB_SPEED_HIGH
+                        || driver->speed < USB_SPEED_HIGH
                        || !bind
                        || !driver->setup)
                return -EINVAL;
diff --git a/drivers/usb/gadget/net2280.c b/drivers/usb/gadget/net2280.c
index 7f1bc9a73cda..da2b9d0be3ca 100644
--- a/drivers/usb/gadget/net2280.c
+++ b/drivers/usb/gadget/net2280.c
@@ -1881,7 +1881,7 @@ static int net2280_start(struct usb_gadget *_gadget,
         * (dev->usb->xcvrdiag & FORCE_FULL_SPEED_MODE)
         * "must not be used in normal operation"
         */
-        if (!driver || driver->speed != USB_SPEED_HIGH
+        if (!driver || driver->speed < USB_SPEED_HIGH
                        || !driver->setup)
                return -EINVAL;
diff --git a/drivers/usb/gadget/pch_udc.c b/drivers/usb/gadget/pch_udc.c
index 550d6dcdf104..5048a0c07640 100644
--- a/drivers/usb/gadget/pch_udc.c
+++ b/drivers/usb/gadget/pch_udc.c
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2010 OKI SEMICONDUCTOR CO., LTD.
+ * Copyright (C) 2011 LAPIS Semiconductor Co., Ltd.
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
@@ -354,6 +354,7 @@ struct pch_udc_dev {
 #define PCI_DEVICE_ID_INTEL_EG20T_UDC   0x8808
 #define PCI_VENDOR_ID_ROHM              0x10DB
 #define PCI_DEVICE_ID_ML7213_IOH_UDC    0x801D
+#define PCI_DEVICE_ID_ML7831_IOH_UDC    0x8808
 static const char       ep0_string[] = "ep0in";
 static DEFINE_SPINLOCK(udc_stall_spinlock);     /* stall spin lock */
@@ -2970,6 +2971,11 @@ static DEFINE_PCI_DEVICE_TABLE(pch_udc_pcidev_id) = {
                .class = (PCI_CLASS_SERIAL_USB << 8) | 0xfe,
                .class_mask = 0xffffffff,
        },
+        {
+                PCI_DEVICE(PCI_VENDOR_ID_ROHM, PCI_DEVICE_ID_ML7831_IOH_UDC),
+                .class = (PCI_CLASS_SERIAL_USB << 8) | 0xfe,
+                .class_mask = 0xffffffff,
+        },
        { 0 },
 };
@@ -2999,5 +3005,5 @@ static void __exit pch_udc_pci_exit(void)
 module_exit(pch_udc_pci_exit);
 MODULE_DESCRIPTION("Intel EG20T USB Device Controller");
-MODULE_AUTHOR("OKI SEMICONDUCTOR, <toshiharu-linux@dsn.okisemi.com>");
+MODULE_AUTHOR("LAPIS Semiconductor, <tomoya-linux@dsn.lapis-semi.com>");
 MODULE_LICENSE("GPL");
diff --git a/drivers/usb/gadget/r8a66597-udc.c b/drivers/usb/gadget/r8a66597-udc.c
index 68a826a1b866..fc719a3f8557 100644
--- a/drivers/usb/gadget/r8a66597-udc.c
+++ b/drivers/usb/gadget/r8a66597-udc.c
@@ -1718,6 +1718,8 @@ static void r8a66597_fifo_flush(struct usb_ep *_ep)
        if (list_empty(&ep->queue) && !ep->busy) {
                pipe_stop(ep->r8a66597, ep->pipenum);
                r8a66597_bclr(ep->r8a66597, BCLR, ep->fifoctr);
+                r8a66597_write(ep->r8a66597, ACLRM, ep->pipectr);
+                r8a66597_write(ep->r8a66597, 0, ep->pipectr);
        }
        spin_unlock_irqrestore(&ep->r8a66597->lock, flags);
 }
@@ -1742,26 +1744,16 @@ static int r8a66597_start(struct usb_gadget *gadget,
                struct usb_gadget_driver *driver)
 {
        struct r8a66597 *r8a66597 = gadget_to_r8a66597(gadget);
-        int retval;
        if (!driver
-                        || driver->speed != USB_SPEED_HIGH
+                        || driver->speed < USB_SPEED_HIGH
                        || !driver->setup)
                return -EINVAL;
        if (!r8a66597)
                return -ENODEV;
        /* hook up the driver */
-        driver->driver.bus = NULL;
        r8a66597->driver = driver;
-        r8a66597->gadget.dev.driver = &driver->driver;
-        retval = device_add(&r8a66597->gadget.dev);
-        if (retval) {
-                dev_err(r8a66597_to_dev(r8a66597), "device_add error (%d)\n",
-                        retval);
-                goto error;
-        }
        init_controller(r8a66597);
        r8a66597_bset(r8a66597, VBSE, INTENB0);
@@ -1775,12 +1767,6 @@ static int r8a66597_start(struct usb_gadget *gadget,
        }
        return 0;
-error:
-        r8a66597->driver = NULL;
-        r8a66597->gadget.dev.driver = NULL;
-        return retval;
 }
 static int r8a66597_stop(struct usb_gadget *gadget,
@@ -1794,7 +1780,6 @@ static int r8a66597_stop(struct usb_gadget *gadget,
        disable_controller(r8a66597);
        spin_unlock_irqrestore(&r8a66597->lock, flags);
-        device_del(&r8a66597->gadget.dev);
        r8a66597->driver = NULL;
        return 0;
 }
@@ -1845,6 +1830,7 @@ static int __exit r8a66597_remove(struct platform_device *pdev)
                clk_put(r8a66597->clk);
        }
 #endif
+        device_unregister(&r8a66597->gadget.dev);
        kfree(r8a66597);
        return 0;
 }
@@ -1924,13 +1910,17 @@ static int __init r8a66597_probe(struct platform_device *pdev)
        r8a66597->irq_sense_low = irq_trigger == IRQF_TRIGGER_LOW;
        r8a66597->gadget.ops = &r8a66597_gadget_ops;
-        device_initialize(&r8a66597->gadget.dev);
        dev_set_name(&r8a66597->gadget.dev, "gadget");
        r8a66597->gadget.is_dualspeed = 1;
        r8a66597->gadget.dev.parent = &pdev->dev;
        r8a66597->gadget.dev.dma_mask = pdev->dev.dma_mask;
        r8a66597->gadget.dev.release = pdev->dev.release;
        r8a66597->gadget.name = udc_name;
+        ret = device_register(&r8a66597->gadget.dev);
+        if (ret < 0) {
+                dev_err(&pdev->dev, "device_register failed\n");
+                goto clean_up;
+        }
        init_timer(&r8a66597->timer);
        r8a66597->timer.function = r8a66597_timer;
@@ -1945,7 +1935,7 @@ static int __init r8a66597_probe(struct platform_device *pdev)
                        dev_err(&pdev->dev, "cannot get clock \"%s\"\n",
                                clk_name);
                        ret = PTR_ERR(r8a66597->clk);
-                        goto clean_up;
+                        goto clean_up_dev;
                }
                clk_enable(r8a66597->clk);
        }
@@ -2014,7 +2004,9 @@ clean_up2:
                clk_disable(r8a66597->clk);
                clk_put(r8a66597->clk);
        }
+clean_up_dev:
 #endif
+        device_unregister(&r8a66597->gadget.dev);
 clean_up:
        if (r8a66597) {
                if (r8a66597->sudmac_reg)
diff --git a/drivers/usb/gadget/s3c-hsotg.c b/drivers/usb/gadget/s3c-hsotg.c
index a552453dc946..b31448229f0b 100644
--- a/drivers/usb/gadget/s3c-hsotg.c
+++ b/drivers/usb/gadget/s3c-hsotg.c
@@ -2586,10 +2586,8 @@ static int s3c_hsotg_start(struct usb_gadget_driver *driver,
                return -EINVAL;
        }
-        if (driver->speed != USB_SPEED_HIGH &&
+        if (driver->speed < USB_SPEED_FULL)
-            driver->speed != USB_SPEED_FULL) {
                dev_err(hsotg->dev, "%s: bad speed\n", __func__);
-        }
        if (!bind || !driver->setup) {
                dev_err(hsotg->dev, "%s: missing entry points\n", __func__);
diff --git a/drivers/usb/gadget/s3c-hsudc.c b/drivers/usb/gadget/s3c-hsudc.c
index 8d54f893cefe..20a553b46aed 100644
--- a/drivers/usb/gadget/s3c-hsudc.c
+++ b/drivers/usb/gadget/s3c-hsudc.c
@@ -1142,8 +1142,7 @@ static int s3c_hsudc_start(struct usb_gadget_driver *driver,
        int ret;
        if (!driver
-                || (driver->speed != USB_SPEED_FULL &&
+                || driver->speed < USB_SPEED_FULL
-                        driver->speed != USB_SPEED_HIGH)
                || !bind
                || !driver->unbind || !driver->disconnect || !driver->setup)
                return -EINVAL;
diff --git a/drivers/usb/gadget/udc-core.c b/drivers/usb/gadget/udc-core.c
index 022baeca7c94..6939e17f4580 100644
--- a/drivers/usb/gadget/udc-core.c
+++ b/drivers/usb/gadget/udc-core.c
@@ -210,10 +210,10 @@ static void usb_gadget_remove_driver(struct usb_udc *udc)
        kobject_uevent(&udc->dev.kobj, KOBJ_CHANGE);
        if (udc_is_newstyle(udc)) {
-                usb_gadget_disconnect(udc->gadget);
+                udc->driver->disconnect(udc->gadget);
                udc->driver->unbind(udc->gadget);
                usb_gadget_udc_stop(udc->gadget, udc->driver);
+                usb_gadget_disconnect(udc->gadget);
        } else {
                usb_gadget_stop(udc->gadget, udc->driver);
        }
@@ -344,7 +344,7 @@ EXPORT_SYMBOL_GPL(usb_gadget_unregister_driver);
 static ssize_t usb_udc_srp_store(struct device *dev,
                struct device_attribute *attr, const char *buf, size_t n)
 {
-        struct usb_udc          *udc = dev_get_drvdata(dev);
+        struct usb_udc          *udc = container_of(dev, struct usb_udc, dev);
        if (sysfs_streq(buf, "1"))
                usb_gadget_wakeup(udc->gadget);
@@ -378,7 +378,7 @@ static ssize_t usb_udc_speed_show(struct device *dev,
        return snprintf(buf, PAGE_SIZE, "%s\n",
                        usb_speed_string(udc->gadget->speed));
 }
-static DEVICE_ATTR(speed, S_IRUSR, usb_udc_speed_show, NULL);
+static DEVICE_ATTR(speed, S_IRUGO, usb_udc_speed_show, NULL);
 #define USB_UDC_ATTR(name)                                      \
 ssize_t usb_udc_##name##_show(struct device *dev,               \
@@ -389,7 +389,7 @@ ssize_t usb_udc_##name##_show(struct device *dev,		\
                                                                \
        return snprintf(buf, PAGE_SIZE, "%d\n", gadget->name);  \
 }                                                               \
-static DEVICE_ATTR(name, S_IRUSR, usb_udc_##name##_show, NULL)
+static DEVICE_ATTR(name, S_IRUGO, usb_udc_##name##_show, NULL)
 static USB_UDC_ATTR(is_dualspeed);
 static USB_UDC_ATTR(is_otg);
diff --git a/drivers/usb/host/ehci-sched.c b/drivers/usb/host/ehci-sched.c
index 2e829fae6482..a60679cbbf85 100644
--- a/drivers/usb/host/ehci-sched.c
+++ b/drivers/usb/host/ehci-sched.c
@@ -1475,30 +1475,36 @@ iso_stream_schedule (
         * jump until after the queue is primed.
         */
        else {
+                int done = 0;
                start = SCHEDULE_SLOP + (now & ~0x07);
                /* NOTE:  assumes URB_ISO_ASAP, to limit complexity/bugs */
-                /* find a uframe slot with enough bandwidth */
+                /* find a uframe slot with enough bandwidth.
-                next = start + period;
+                 * Early uframes are more precious because full-speed
-                for (; start < next; start++) {
+                 * iso IN transfers can't use late uframes,
+                 * and therefore they should be allocated last.
+                 */
+                next = start;
+                start += period;
+                do {
+                        start--;
                        /* check schedule: enough space? */
                        if (stream->highspeed) {
                                if (itd_slot_ok(ehci, mod, start,
                                                stream->usecs, period))
-                                        break;
+                                        done = 1;
                        } else {
                                if ((start % 8) >= 6)
                                        continue;
                                if (sitd_slot_ok(ehci, mod, stream,
                                                start, sched, period))
-                                        break;
+                                        done = 1;
                        }
-                }
+                } while (start > next && !done);
                /* no room in the schedule */
-                if (start == next) {
+                if (!done) {
                        ehci_dbg(ehci, "iso resched full %p (now %d max %d)\n",
                                urb, now, now + mod);
                        status = -ENOSPC;
diff --git a/drivers/usb/host/ehci-xls.c b/drivers/usb/host/ehci-xls.c
index fe74bd676018..b4fb511d24bc 100644
--- a/drivers/usb/host/ehci-xls.c
+++ b/drivers/usb/host/ehci-xls.c
@@ -19,7 +19,7 @@ static int ehci_xls_setup(struct usb_hcd *hcd)
        ehci->caps = hcd->regs;
        ehci->regs = hcd->regs +
-                HC_LENGTH(ehci_readl(ehci, &ehci->caps->hc_capbase));
+                HC_LENGTH(ehci, ehci_readl(ehci, &ehci->caps->hc_capbase));
        dbg_hcs_params(ehci, "reset");
        dbg_hcc_params(ehci, "reset");
diff --git a/drivers/usb/host/ohci-at91.c b/drivers/usb/host/ohci-at91.c
index ba3a46b78b75..95a9fec38e89 100644
--- a/drivers/usb/host/ohci-at91.c
+++ b/drivers/usb/host/ohci-at91.c
@@ -223,6 +223,9 @@ static void ohci_at91_usb_set_power(struct at91_usbh_data *pdata, int port, int
        if (port < 0 || port >= 2)
                return;
+        if (pdata->vbus_pin[port] <= 0)
+                return;
        gpio_set_value(pdata->vbus_pin[port], !pdata->vbus_pin_inverted ^ enable);
 }
@@ -231,6 +234,9 @@ static int ohci_at91_usb_get_power(struct at91_usbh_data *pdata, int port)
        if (port < 0 || port >= 2)
                return -EINVAL;
+        if (pdata->vbus_pin[port] <= 0)
+                return -EINVAL;
        return gpio_get_value(pdata->vbus_pin[port]) ^ !pdata->vbus_pin_inverted;
 }
diff --git a/drivers/usb/host/ohci-hcd.c b/drivers/usb/host/ohci-hcd.c
index 34efd479e068..b2639191549e 100644
--- a/drivers/usb/host/ohci-hcd.c
+++ b/drivers/usb/host/ohci-hcd.c
@@ -389,17 +389,14 @@ ohci_shutdown (struct usb_hcd *hcd)
        struct ohci_hcd *ohci;
        ohci = hcd_to_ohci (hcd);
-        ohci_writel (ohci, OHCI_INTR_MIE, &ohci->regs->intrdisable);
+        ohci_writel(ohci, (u32) ~0, &ohci->regs->intrdisable);
-        ohci->hc_control = ohci_readl(ohci, &ohci->regs->control);
-        /* If the SHUTDOWN quirk is set, don't put the controller in RESET */
+        /* Software reset, after which the controller goes into SUSPEND */
-        ohci->hc_control &= (ohci->flags & OHCI_QUIRK_SHUTDOWN ?
+        ohci_writel(ohci, OHCI_HCR, &ohci->regs->cmdstatus);
-                        OHCI_CTRL_RWC | OHCI_CTRL_HCFS :
+        ohci_readl(ohci, &ohci->regs->cmdstatus);       /* flush the writes */
-                        OHCI_CTRL_RWC);
+        udelay(10);
-        ohci_writel(ohci, ohci->hc_control, &ohci->regs->control);
-        /* flush the writes */
+        ohci_writel(ohci, ohci->fminterval, &ohci->regs->fminterval);
-        (void) ohci_readl (ohci, &ohci->regs->control);
 }
 static int check_ed(struct ohci_hcd *ohci, struct ed *ed)
diff --git a/drivers/usb/host/ohci-pci.c b/drivers/usb/host/ohci-pci.c
index ad8166c681e2..bc01b064585a 100644
--- a/drivers/usb/host/ohci-pci.c
+++ b/drivers/usb/host/ohci-pci.c
@@ -175,28 +175,6 @@ static int ohci_quirk_amd700(struct usb_hcd *hcd)
        return 0;
 }
-/* nVidia controllers continue to drive Reset signalling on the bus
- * even after system shutdown, wasting power.  This flag tells the
- * shutdown routine to leave the controller OPERATIONAL instead of RESET.
- */
-static int ohci_quirk_nvidia_shutdown(struct usb_hcd *hcd)
-{
-        struct pci_dev *pdev = to_pci_dev(hcd->self.controller);
-        struct ohci_hcd *ohci = hcd_to_ohci(hcd);
-        /* Evidently nVidia fixed their later hardware; this is a guess at
-         * the changeover point.
-         */
-#define PCI_DEVICE_ID_NVIDIA_NFORCE_MCP51_USB           0x026d
-        if (pdev->device < PCI_DEVICE_ID_NVIDIA_NFORCE_MCP51_USB) {
-                ohci->flags |= OHCI_QUIRK_SHUTDOWN;
-                ohci_dbg(ohci, "enabled nVidia shutdown quirk\n");
-        }
-        return 0;
-}
 static void sb800_prefetch(struct ohci_hcd *ohci, int on)
 {
        struct pci_dev *pdev;
@@ -260,10 +238,6 @@ static const struct pci_device_id ohci_pci_quirks[] = {
                PCI_DEVICE(PCI_VENDOR_ID_ATI, 0x4399),
                .driver_data = (unsigned long)ohci_quirk_amd700,
        },
-        {
-                PCI_DEVICE(PCI_VENDOR_ID_NVIDIA, PCI_ANY_ID),
-                .driver_data = (unsigned long) ohci_quirk_nvidia_shutdown,
-        },
        /* FIXME for some of the early AMD 760 southbridges, OHCI
         * won't work at all.  blacklist them.
diff --git a/drivers/usb/host/ohci.h b/drivers/usb/host/ohci.h
index 35e5fd640ce7..0795b934d00c 100644
--- a/drivers/usb/host/ohci.h
+++ b/drivers/usb/host/ohci.h
@@ -403,7 +403,6 @@ struct ohci_hcd {
 #define OHCI_QUIRK_HUB_POWER    0x100                   /* distrust firmware power/oc setup */
 #define OHCI_QUIRK_AMD_PLL      0x200                   /* AMD PLL quirk*/
 #define OHCI_QUIRK_AMD_PREFETCH 0x400                   /* pre-fetch for ISO transfer */
-#define OHCI_QUIRK_SHUTDOWN     0x800                   /* nVidia power bug */
        // there are also chip quirks/bugs in init logic
        struct work_struct      nec_work;       /* Worker for NEC quirk */
diff --git a/drivers/usb/host/pci-quirks.c b/drivers/usb/host/pci-quirks.c
index 27a3dec32fa2..caf87428ca43 100644
--- a/drivers/usb/host/pci-quirks.c
+++ b/drivers/usb/host/pci-quirks.c
@@ -37,6 +37,7 @@
 #define OHCI_INTRENABLE         0x10
 #define OHCI_INTRDISABLE        0x14
 #define OHCI_FMINTERVAL         0x34
+#define OHCI_HCFS               (3 << 6)        /* hc functional state */
 #define OHCI_HCR                (1 << 0)        /* host controller reset */
 #define OHCI_OCR                (1 << 3)        /* ownership change request */
 #define OHCI_CTRL_RWC           (1 << 9)        /* remote wakeup connected */
@@ -466,6 +467,8 @@ static void __devinit quirk_usb_handoff_ohci(struct pci_dev *pdev)
 {
        void __iomem *base;
        u32 control;
+        u32 fminterval;
+        int cnt;
        if (!mmio_resource_enabled(pdev, 0))
                return;
@@ -498,41 +501,32 @@ static void __devinit quirk_usb_handoff_ohci(struct pci_dev *pdev)
        }
 #endif
-        /* reset controller, preserving RWC (and possibly IR) */
+        /* disable interrupts */
-        writel(control & OHCI_CTRL_MASK, base + OHCI_CONTROL);
+        writel((u32) ~0, base + OHCI_INTRDISABLE);
-        readl(base + OHCI_CONTROL);
-        /* Some NVIDIA controllers stop working if kept in RESET for too long */
+        /* Reset the USB bus, if the controller isn't already in RESET */
-        if (pdev->vendor == PCI_VENDOR_ID_NVIDIA) {
+        if (control & OHCI_HCFS) {
-                u32 fminterval;
+                /* Go into RESET, preserving RWC (and possibly IR) */
-                int cnt;
+                writel(control & OHCI_CTRL_MASK, base + OHCI_CONTROL);
+                readl(base + OHCI_CONTROL);
-                /* drive reset for at least 50 ms (7.1.7.5) */
+                /* drive bus reset for at least 50 ms (7.1.7.5) */
                msleep(50);
+        }
-                /* software reset of the controller, preserving HcFmInterval */
+        /* software reset of the controller, preserving HcFmInterval */
-                fminterval = readl(base + OHCI_FMINTERVAL);
+        fminterval = readl(base + OHCI_FMINTERVAL);
-                writel(OHCI_HCR, base + OHCI_CMDSTATUS);
+        writel(OHCI_HCR, base + OHCI_CMDSTATUS);
-                /* reset requires max 10 us delay */
+        /* reset requires max 10 us delay */
-                for (cnt = 30; cnt > 0; --cnt) {        /* ... allow extra time */
+        for (cnt = 30; cnt > 0; --cnt) {        /* ... allow extra time */
-                        if ((readl(base + OHCI_CMDSTATUS) & OHCI_HCR) == 0)
+                if ((readl(base + OHCI_CMDSTATUS) & OHCI_HCR) == 0)
-                                break;
+                        break;
-                        udelay(1);
+                udelay(1);
-                }
-                writel(fminterval, base + OHCI_FMINTERVAL);
-                /* Now we're in the SUSPEND state with all devices reset
-                 * and wakeups and interrupts disabled
-                 */
        }
+        writel(fminterval, base + OHCI_FMINTERVAL);
-        /*
+        /* Now the controller is safely in SUSPEND and nothing can wake it up */
-         * disable interrupts
-         */
-        writel(~(u32)0, base + OHCI_INTRDISABLE);
-        writel(~(u32)0, base + OHCI_INTRSTATUS);
        iounmap(base);
 }
@@ -627,7 +621,7 @@ static void __devinit quirk_usb_disable_ehci(struct pci_dev *pdev)
        void __iomem *base, *op_reg_base;
        u32     hcc_params, cap, val;
        u8      offset, cap_length;
-        int     wait_time, delta, count = 256/4;
+        int     wait_time, count = 256/4;
        if (!mmio_resource_enabled(pdev, 0))
                return;
@@ -673,11 +667,10 @@ static void __devinit quirk_usb_disable_ehci(struct pci_dev *pdev)
                writel(val, op_reg_base + EHCI_USBCMD);
                wait_time = 2000;
-                delta = 100;
                do {
                        writel(0x3f, op_reg_base + EHCI_USBSTS);
-                        udelay(delta);
+                        udelay(100);
-                        wait_time -= delta;
+                        wait_time -= 100;
                        val = readl(op_reg_base + EHCI_USBSTS);
                        if ((val == ~(u32)0) || (val & EHCI_USBSTS_HALTED)) {
                                break;
diff --git a/drivers/usb/host/whci/qset.c b/drivers/usb/host/whci/qset.c
index d6e175428618..a403b53e86b9 100644
--- a/drivers/usb/host/whci/qset.c
+++ b/drivers/usb/host/whci/qset.c
@@ -124,7 +124,7 @@ void qset_clear(struct whc *whc, struct whc_qset *qset)
 {
        qset->td_start = qset->td_end = qset->ntds = 0;
-        qset->qh.link = cpu_to_le32(QH_LINK_NTDS(8) | QH_LINK_T);
+        qset->qh.link = cpu_to_le64(QH_LINK_NTDS(8) | QH_LINK_T);
        qset->qh.status = qset->qh.status & QH_STATUS_SEQ_MASK;
        qset->qh.err_count = 0;
        qset->qh.scratch[0] = 0;
diff --git a/drivers/usb/host/xhci-mem.c b/drivers/usb/host/xhci-mem.c
index 42a22b8e6922..0e4b25fa3bcd 100644
--- a/drivers/usb/host/xhci-mem.c
+++ b/drivers/usb/host/xhci-mem.c
@@ -982,7 +982,6 @@ int xhci_setup_addressable_virt_dev(struct xhci_hcd *xhci, struct usb_device *ud
        struct xhci_virt_device *dev;
        struct xhci_ep_ctx      *ep0_ctx;
        struct xhci_slot_ctx    *slot_ctx;
-        struct xhci_input_control_ctx *ctrl_ctx;
        u32                     port_num;
        struct usb_device *top_dev;
@@ -994,12 +993,8 @@ int xhci_setup_addressable_virt_dev(struct xhci_hcd *xhci, struct usb_device *ud
                return -EINVAL;
        }
        ep0_ctx = xhci_get_ep_ctx(xhci, dev->in_ctx, 0);
-        ctrl_ctx = xhci_get_input_control_ctx(xhci, dev->in_ctx);
        slot_ctx = xhci_get_slot_ctx(xhci, dev->in_ctx);
-        /* 2) New slot context and endpoint 0 context are valid*/
-        ctrl_ctx->add_flags = cpu_to_le32(SLOT_FLAG | EP0_FLAG);
        /* 3) Only the control endpoint is valid - one endpoint context */
        slot_ctx->dev_info |= cpu_to_le32(LAST_CTX(1) | udev->route);
        switch (udev->speed) {
diff --git a/drivers/usb/host/xhci-ring.c b/drivers/usb/host/xhci-ring.c
index 940321b3ec68..9f1d4b15d818 100644
--- a/drivers/usb/host/xhci-ring.c
+++ b/drivers/usb/host/xhci-ring.c
@@ -816,23 +816,24 @@ void xhci_stop_endpoint_command_watchdog(unsigned long arg)
        struct xhci_ring *ring;
        struct xhci_td *cur_td;
        int ret, i, j;
+        unsigned long flags;
        ep = (struct xhci_virt_ep *) arg;
        xhci = ep->xhci;
-        spin_lock(&xhci->lock);
+        spin_lock_irqsave(&xhci->lock, flags);
        ep->stop_cmds_pending--;
        if (xhci->xhc_state & XHCI_STATE_DYING) {
                xhci_dbg(xhci, "Stop EP timer ran, but another timer marked "
                                "xHCI as DYING, exiting.\n");
-                spin_unlock(&xhci->lock);
+                spin_unlock_irqrestore(&xhci->lock, flags);
                return;
        }
        if (!(ep->stop_cmds_pending == 0 && (ep->ep_state & EP_HALT_PENDING))) {
                xhci_dbg(xhci, "Stop EP timer ran, but no command pending, "
                                "exiting.\n");
-                spin_unlock(&xhci->lock);
+                spin_unlock_irqrestore(&xhci->lock, flags);
                return;
        }
@@ -844,11 +845,11 @@ void xhci_stop_endpoint_command_watchdog(unsigned long arg)
        xhci->xhc_state |= XHCI_STATE_DYING;
        /* Disable interrupts from the host controller and start halting it */
        xhci_quiesce(xhci);
-        spin_unlock(&xhci->lock);
+        spin_unlock_irqrestore(&xhci->lock, flags);
        ret = xhci_halt(xhci);
-        spin_lock(&xhci->lock);
+        spin_lock_irqsave(&xhci->lock, flags);
        if (ret < 0) {
                /* This is bad; the host is not responding to commands and it's
                 * not allowing itself to be halted.  At least interrupts are
@@ -896,7 +897,7 @@ void xhci_stop_endpoint_command_watchdog(unsigned long arg)
                        }
                }
        }
-        spin_unlock(&xhci->lock);
+        spin_unlock_irqrestore(&xhci->lock, flags);
        xhci_dbg(xhci, "Calling usb_hc_died()\n");
        usb_hc_died(xhci_to_hcd(xhci)->primary_hcd);
        xhci_dbg(xhci, "xHCI host controller is dead.\n");
diff --git a/drivers/usb/host/xhci.c b/drivers/usb/host/xhci.c
index 1ff95a0df576..a1afb7c39f7e 100644
--- a/drivers/usb/host/xhci.c
+++ b/drivers/usb/host/xhci.c
@@ -711,7 +711,10 @@ static void xhci_clear_command_ring(struct xhci_hcd *xhci)
        ring = xhci->cmd_ring;
        seg = ring->deq_seg;
        do {
-                memset(seg->trbs, 0, SEGMENT_SIZE);
+                memset(seg->trbs, 0,
+                        sizeof(union xhci_trb) * (TRBS_PER_SEGMENT - 1));
+                seg->trbs[TRBS_PER_SEGMENT - 1].link.control &=
+                        cpu_to_le32(~TRB_CYCLE);
                seg = seg->next;
        } while (seg != ring->deq_seg);
@@ -799,7 +802,7 @@ int xhci_resume(struct xhci_hcd *xhci, bool hibernated)
        u32                     command, temp = 0;
        struct usb_hcd          *hcd = xhci_to_hcd(xhci);
        struct usb_hcd          *secondary_hcd;
-        int                     retval;
+        int                     retval = 0;
        /* Wait a bit if either of the roothubs need to settle from the
         * transition into bus suspend.
@@ -809,6 +812,9 @@ int xhci_resume(struct xhci_hcd *xhci, bool hibernated)
                                xhci->bus_state[1].next_statechange))
                msleep(100);
+        set_bit(HCD_FLAG_HW_ACCESSIBLE, &hcd->flags);
+        set_bit(HCD_FLAG_HW_ACCESSIBLE, &xhci->shared_hcd->flags);
        spin_lock_irq(&xhci->lock);
        if (xhci->quirks & XHCI_RESET_ON_RESUME)
                hibernated = true;
@@ -878,20 +884,13 @@ int xhci_resume(struct xhci_hcd *xhci, bool hibernated)
                        return retval;
                xhci_dbg(xhci, "Start the primary HCD\n");
                retval = xhci_run(hcd->primary_hcd);
-                if (retval)
-                        goto failed_restart;
-                xhci_dbg(xhci, "Start the secondary HCD\n");
-                retval = xhci_run(secondary_hcd);
                if (!retval) {
-                        set_bit(HCD_FLAG_HW_ACCESSIBLE, &hcd->flags);
+                        xhci_dbg(xhci, "Start the secondary HCD\n");
-                        set_bit(HCD_FLAG_HW_ACCESSIBLE,
+                        retval = xhci_run(secondary_hcd);
-                                        &xhci->shared_hcd->flags);
                }
-failed_restart:
                hcd->state = HC_STATE_SUSPENDED;
                xhci->shared_hcd->state = HC_STATE_SUSPENDED;
-                return retval;
+                goto done;
        }
        /* step 4: set Run/Stop bit */
@@ -910,11 +909,14 @@ failed_restart:
         * Running endpoints by ringing their doorbells
         */
-        set_bit(HCD_FLAG_HW_ACCESSIBLE, &hcd->flags);
-        set_bit(HCD_FLAG_HW_ACCESSIBLE, &xhci->shared_hcd->flags);
        spin_unlock_irq(&xhci->lock);
-        return 0;
+ done:
+        if (retval == 0) {
+                usb_hcd_resume_root_hub(hcd);
+                usb_hcd_resume_root_hub(xhci->shared_hcd);
+        }
+        return retval;
 }
 #endif  /* CONFIG_PM */
@@ -3504,6 +3506,10 @@ int xhci_address_device(struct usb_hcd *hcd, struct usb_device *udev)
        /* Otherwise, update the control endpoint ring enqueue pointer. */
        else
                xhci_copy_ep0_dequeue_into_input_ctx(xhci, udev);
+        ctrl_ctx = xhci_get_input_control_ctx(xhci, virt_dev->in_ctx);
+        ctrl_ctx->add_flags = cpu_to_le32(SLOT_FLAG | EP0_FLAG);
+        ctrl_ctx->drop_flags = 0;
        xhci_dbg(xhci, "Slot ID %d Input Context:\n", udev->slot_id);
        xhci_dbg_ctx(xhci, virt_dev->in_ctx, 2);
@@ -3585,7 +3591,6 @@ int xhci_address_device(struct usb_hcd *hcd, struct usb_device *udev)
        virt_dev->address = (le32_to_cpu(slot_ctx->dev_state) & DEV_ADDR_MASK)
                + 1;
        /* Zero the input context control for later use */
-        ctrl_ctx = xhci_get_input_control_ctx(xhci, virt_dev->in_ctx);
        ctrl_ctx->add_flags = 0;
        ctrl_ctx->drop_flags = 0;
diff --git a/drivers/usb/musb/Kconfig b/drivers/usb/musb/Kconfig
index fc34b8b11910..07a03460a598 100644
--- a/drivers/usb/musb/Kconfig
+++ b/drivers/usb/musb/Kconfig
@@ -11,6 +11,7 @@ config USB_MUSB_HDRC
        select TWL4030_USB if MACH_OMAP_3430SDP
        select TWL6030_USB if MACH_OMAP_4430SDP || MACH_OMAP4_PANDA
        select USB_OTG_UTILS
+        select USB_GADGET_DUALSPEED
        tristate 'Inventra Highspeed Dual Role Controller (TI, ADI, ...)'
        help
          Say Y here if your system has a dual role high speed USB
@@ -60,7 +61,7 @@ config USB_MUSB_BLACKFIN
 config USB_MUSB_UX500
        tristate "U8500 and U5500"
-        depends on (ARCH_U8500 && AB8500_USB) || (ARCH_U5500)
+        depends on (ARCH_U8500 && AB8500_USB)
 endchoice
diff --git a/drivers/usb/musb/am35x.c b/drivers/usb/musb/am35x.c
index 08f1d0b662a3..e233d2b7d335 100644
--- a/drivers/usb/musb/am35x.c
+++ b/drivers/usb/musb/am35x.c
@@ -27,6 +27,7 @@
 */
 #include <linux/init.h>
+#include <linux/module.h>
 #include <linux/clk.h>
 #include <linux/io.h>
 #include <linux/platform_device.h>
diff --git a/drivers/usb/musb/da8xx.c b/drivers/usb/musb/da8xx.c
index 4da7492ddbdb..2613bfdb09b6 100644
--- a/drivers/usb/musb/da8xx.c
+++ b/drivers/usb/musb/da8xx.c
@@ -27,6 +27,7 @@
 */
 #include <linux/init.h>
+#include <linux/module.h>
 #include <linux/clk.h>
 #include <linux/io.h>
 #include <linux/platform_device.h>
diff --git a/drivers/usb/musb/musb_core.c b/drivers/usb/musb/musb_core.c
index 20a28731c338..b63ab1570103 100644
--- a/drivers/usb/musb/musb_core.c
+++ b/drivers/usb/musb/musb_core.c
@@ -1477,8 +1477,7 @@ static int __init musb_core_init(u16 musb_type, struct musb *musb)
 /*-------------------------------------------------------------------------*/
 #if defined(CONFIG_SOC_OMAP2430) || defined(CONFIG_SOC_OMAP3430) || \
-        defined(CONFIG_ARCH_OMAP4) || defined(CONFIG_ARCH_U8500) || \
+        defined(CONFIG_ARCH_OMAP4) || defined(CONFIG_ARCH_U8500)
-        defined(CONFIG_ARCH_U5500)
 static irqreturn_t generic_interrupt(int irq, void *__hci)
 {
@@ -2302,18 +2301,12 @@ static int musb_suspend(struct device *dev)
                 */
        }
-        musb_save_context(musb);
        spin_unlock_irqrestore(&musb->lock, flags);
        return 0;
 }
 static int musb_resume_noirq(struct device *dev)
 {
-        struct musb     *musb = dev_to_musb(dev);
-        musb_restore_context(musb);
        /* for static cmos like DaVinci, register values were preserved
         * unless for some reason the whole soc powered down or the USB
         * module got reset through the PSC (vs just being disabled).
diff --git a/drivers/usb/musb/musb_gadget.c b/drivers/usb/musb/musb_gadget.c
index ae4a20acef6c..922148ff8d29 100644
--- a/drivers/usb/musb/musb_gadget.c
+++ b/drivers/usb/musb/musb_gadget.c
@@ -1903,7 +1903,7 @@ static int musb_gadget_start(struct usb_gadget *g,
        unsigned long           flags;
        int                     retval = -EINVAL;
-        if (driver->speed != USB_SPEED_HIGH)
+        if (driver->speed < USB_SPEED_HIGH)
                goto err0;
        pm_runtime_get_sync(musb->controller);
@@ -1999,10 +1999,6 @@ static void stop_activity(struct musb *musb, struct usb_gadget_driver *driver)
                                        nuke(&hw_ep->ep_out, -ESHUTDOWN);
                        }
                }
-                spin_unlock(&musb->lock);
-                driver->disconnect(&musb->g);
-                spin_lock(&musb->lock);
        }
 }
diff --git a/drivers/usb/renesas_usbhs/common.c b/drivers/usb/renesas_usbhs/common.c
index d2e2efaba658..08c679c0dde5 100644
--- a/drivers/usb/renesas_usbhs/common.c
+++ b/drivers/usb/renesas_usbhs/common.c
@@ -405,7 +405,7 @@ int usbhsc_drvcllbck_notify_hotplug(struct platform_device *pdev)
 /*
 *              platform functions
 */
-static int __devinit usbhs_probe(struct platform_device *pdev)
+static int usbhs_probe(struct platform_device *pdev)
 {
        struct renesas_usbhs_platform_info *info = pdev->dev.platform_data;
        struct renesas_usbhs_driver_callback *dfunc;
diff --git a/drivers/usb/renesas_usbhs/fifo.c b/drivers/usb/renesas_usbhs/fifo.c
index 8da685e796d1..ffdf5d15085e 100644
--- a/drivers/usb/renesas_usbhs/fifo.c
+++ b/drivers/usb/renesas_usbhs/fifo.c
@@ -820,7 +820,7 @@ static int usbhsf_dma_prepare_push(struct usbhs_pkt *pkt, int *is_done)
        if (len % 4) /* 32bit alignment */
                goto usbhsf_pio_prepare_push;
-        if ((*(u32 *) pkt->buf + pkt->actual) & 0x7) /* 8byte alignment */
+        if ((uintptr_t)(pkt->buf + pkt->actual) & 0x7) /* 8byte alignment */
                goto usbhsf_pio_prepare_push;
        /* get enable DMA fifo */
@@ -897,7 +897,7 @@ static int usbhsf_dma_try_pop(struct usbhs_pkt *pkt, int *is_done)
        if (!fifo)
                goto usbhsf_pio_prepare_pop;
-        if ((*(u32 *) pkt->buf + pkt->actual) & 0x7) /* 8byte alignment */
+        if ((uintptr_t)(pkt->buf + pkt->actual) & 0x7) /* 8byte alignment */
                goto usbhsf_pio_prepare_pop;
        ret = usbhsf_fifo_select(pipe, fifo, 0);
diff --git a/drivers/usb/renesas_usbhs/mod.c b/drivers/usb/renesas_usbhs/mod.c
index 053f86d70009..ad96a3896729 100644
--- a/drivers/usb/renesas_usbhs/mod.c
+++ b/drivers/usb/renesas_usbhs/mod.c
@@ -349,7 +349,7 @@ void usbhs_irq_callback_update(struct usbhs_priv *priv, struct usbhs_mod *mod)
                if (mod->irq_attch)
                        intenb1 |= ATTCHE;
-                if (mod->irq_attch)
+                if (mod->irq_dtch)
                        intenb1 |= DTCHE;
                if (mod->irq_sign)
diff --git a/drivers/usb/renesas_usbhs/mod.h b/drivers/usb/renesas_usbhs/mod.h
index 8ae3733031cd..6c6875533f01 100644
--- a/drivers/usb/renesas_usbhs/mod.h
+++ b/drivers/usb/renesas_usbhs/mod.h
@@ -143,8 +143,8 @@ void usbhs_irq_callback_update(struct usbhs_priv *priv, struct usbhs_mod *mod);
 */
 #if     defined(CONFIG_USB_RENESAS_USBHS_HCD) || \
        defined(CONFIG_USB_RENESAS_USBHS_HCD_MODULE)
-extern int __devinit usbhs_mod_host_probe(struct usbhs_priv *priv);
+extern int usbhs_mod_host_probe(struct usbhs_priv *priv);
-extern int __devexit usbhs_mod_host_remove(struct usbhs_priv *priv);
+extern int usbhs_mod_host_remove(struct usbhs_priv *priv);
 #else
 static inline int usbhs_mod_host_probe(struct usbhs_priv *priv)
 {
@@ -157,8 +157,8 @@ static inline void usbhs_mod_host_remove(struct usbhs_priv *priv)
 #if     defined(CONFIG_USB_RENESAS_USBHS_UDC) || \
        defined(CONFIG_USB_RENESAS_USBHS_UDC_MODULE)
-extern int __devinit usbhs_mod_gadget_probe(struct usbhs_priv *priv);
+extern int usbhs_mod_gadget_probe(struct usbhs_priv *priv);
-extern void __devexit usbhs_mod_gadget_remove(struct usbhs_priv *priv);
+extern void usbhs_mod_gadget_remove(struct usbhs_priv *priv);
 #else
 static inline int usbhs_mod_gadget_probe(struct usbhs_priv *priv)
 {
diff --git a/drivers/usb/renesas_usbhs/mod_gadget.c b/drivers/usb/renesas_usbhs/mod_gadget.c
index 4cc7ee0babc6..7f4e80338570 100644
--- a/drivers/usb/renesas_usbhs/mod_gadget.c
+++ b/drivers/usb/renesas_usbhs/mod_gadget.c
@@ -751,53 +751,32 @@ static int usbhsg_gadget_start(struct usb_gadget *gadget,
                struct usb_gadget_driver *driver)
 {
        struct usbhsg_gpriv *gpriv = usbhsg_gadget_to_gpriv(gadget);
-        struct usbhs_priv *priv;
+        struct usbhs_priv *priv = usbhsg_gpriv_to_priv(gpriv);
-        struct device *dev;
-        int ret;
        if (!driver             ||
            !driver->setup      ||
-            driver->speed != USB_SPEED_HIGH)
+            driver->speed < USB_SPEED_FULL)
                return -EINVAL;
-        dev  = usbhsg_gpriv_to_dev(gpriv);
-        priv = usbhsg_gpriv_to_priv(gpriv);
        /* first hook up the driver ... */
        gpriv->driver = driver;
        gpriv->gadget.dev.driver = &driver->driver;
-        ret = device_add(&gpriv->gadget.dev);
-        if (ret) {
-                dev_err(dev, "device_add error %d\n", ret);
-                goto add_fail;
-        }
        return usbhsg_try_start(priv, USBHSG_STATUS_REGISTERD);
-add_fail:
-        gpriv->driver = NULL;
-        gpriv->gadget.dev.driver = NULL;
-        return ret;
 }
 static int usbhsg_gadget_stop(struct usb_gadget *gadget,
                struct usb_gadget_driver *driver)
 {
        struct usbhsg_gpriv *gpriv = usbhsg_gadget_to_gpriv(gadget);
-        struct usbhs_priv *priv;
+        struct usbhs_priv *priv = usbhsg_gpriv_to_priv(gpriv);
-        struct device *dev;
        if (!driver             ||
            !driver->unbind)
                return -EINVAL;
-        dev  = usbhsg_gpriv_to_dev(gpriv);
-        priv = usbhsg_gpriv_to_priv(gpriv);
        usbhsg_try_stop(priv, USBHSG_STATUS_REGISTERD);
-        device_del(&gpriv->gadget.dev);
+        gpriv->gadget.dev.driver = NULL;
        gpriv->driver = NULL;
        return 0;
@@ -827,10 +806,17 @@ static int usbhsg_start(struct usbhs_priv *priv)
 static int usbhsg_stop(struct usbhs_priv *priv)
 {
+        struct usbhsg_gpriv *gpriv = usbhsg_priv_to_gpriv(priv);
+        /* cable disconnect */
+        if (gpriv->driver &&
+            gpriv->driver->disconnect)
+                gpriv->driver->disconnect(&gpriv->gadget);
        return usbhsg_try_stop(priv, USBHSG_STATUS_STARTED);
 }
-int __devinit usbhs_mod_gadget_probe(struct usbhs_priv *priv)
+int usbhs_mod_gadget_probe(struct usbhs_priv *priv)
 {
        struct usbhsg_gpriv *gpriv;
        struct usbhsg_uep *uep;
@@ -876,12 +862,14 @@ int __devinit usbhs_mod_gadget_probe(struct usbhs_priv *priv)
        /*
         * init gadget
         */
-        device_initialize(&gpriv->gadget.dev);
        dev_set_name(&gpriv->gadget.dev, "gadget");
        gpriv->gadget.dev.parent        = dev;
        gpriv->gadget.name              = "renesas_usbhs_udc";
        gpriv->gadget.ops               = &usbhsg_gadget_ops;
        gpriv->gadget.is_dualspeed      = 1;
+        ret = device_register(&gpriv->gadget.dev);
+        if (ret < 0)
+                goto err_add_udc;
        INIT_LIST_HEAD(&gpriv->gadget.ep_list);
@@ -912,12 +900,15 @@ int __devinit usbhs_mod_gadget_probe(struct usbhs_priv *priv)
        ret = usb_add_gadget_udc(dev, &gpriv->gadget);
        if (ret)
-                goto err_add_udc;
+                goto err_register;
        dev_info(dev, "gadget probed\n");
        return 0;
+err_register:
+        device_unregister(&gpriv->gadget.dev);
 err_add_udc:
        kfree(gpriv->uep);
@@ -927,12 +918,14 @@ usbhs_mod_gadget_probe_err_gpriv:
        return ret;
 }
-void __devexit usbhs_mod_gadget_remove(struct usbhs_priv *priv)
+void usbhs_mod_gadget_remove(struct usbhs_priv *priv)
 {
        struct usbhsg_gpriv *gpriv = usbhsg_priv_to_gpriv(priv);
        usb_del_gadget_udc(&gpriv->gadget);
+        device_unregister(&gpriv->gadget.dev);
        usbhsg_controller_unregister(gpriv);
        kfree(gpriv->uep);
diff --git a/drivers/usb/renesas_usbhs/mod_host.c b/drivers/usb/renesas_usbhs/mod_host.c
index 1a7208a50afc..7955de589951 100644
--- a/drivers/usb/renesas_usbhs/mod_host.c
+++ b/drivers/usb/renesas_usbhs/mod_host.c
@@ -103,7 +103,7 @@ struct usbhsh_hpriv {
        u32     port_stat;      /* USB_PORT_STAT_xxx */
-        struct completion       *done;
+        struct completion       setup_ack_done;
        /* see usbhsh_req_alloc/free */
        struct list_head        ureq_link_active;
@@ -355,6 +355,7 @@ static void usbhsh_device_free(struct usbhsh_hpriv *hpriv,
 struct usbhsh_ep *usbhsh_endpoint_alloc(struct usbhsh_hpriv *hpriv,
                                        struct usbhsh_device *udev,
                                        struct usb_host_endpoint *ep,
+                                        int dir_in_req,
                                        gfp_t mem_flags)
 {
        struct usbhs_priv *priv = usbhsh_hpriv_to_priv(hpriv);
@@ -364,27 +365,38 @@ struct usbhsh_ep *usbhsh_endpoint_alloc(struct usbhsh_hpriv *hpriv,
        struct usbhs_pipe *pipe, *best_pipe;
        struct device *dev = usbhsh_hcd_to_dev(hcd);
        struct usb_endpoint_descriptor *desc = &ep->desc;
-        int type, i;
+        int type, i, dir_in;
        unsigned int min_usr;
+        dir_in_req = !!dir_in_req;
        uep = kzalloc(sizeof(struct usbhsh_ep), mem_flags);
        if (!uep) {
                dev_err(dev, "usbhsh_ep alloc fail\n");
                return NULL;
        }
-        type = usb_endpoint_type(desc);
+        if (usb_endpoint_xfer_control(desc)) {
+                best_pipe = usbhsh_hpriv_to_dcp(hpriv);
+                goto usbhsh_endpoint_alloc_find_pipe;
+        }
        /*
         * find best pipe for endpoint
         * see
         *      HARDWARE LIMITATION
         */
+        type = usb_endpoint_type(desc);
        min_usr = ~0;
        best_pipe = NULL;
-        usbhs_for_each_pipe_with_dcp(pipe, priv, i) {
+        usbhs_for_each_pipe(pipe, priv, i) {
                if (!usbhs_pipe_type_is(pipe, type))
                        continue;
+                dir_in = !!usbhs_pipe_is_dir_in(pipe);
+                if (0 != (dir_in - dir_in_req))
+                        continue;
                info = usbhsh_pipe_info(pipe);
                if (min_usr > info->usr_cnt) {
@@ -398,7 +410,7 @@ struct usbhsh_ep *usbhsh_endpoint_alloc(struct usbhsh_hpriv *hpriv,
                kfree(uep);
                return NULL;
        }
+usbhsh_endpoint_alloc_find_pipe:
        /*
         * init uep
         */
@@ -423,6 +435,7 @@ struct usbhsh_ep *usbhsh_endpoint_alloc(struct usbhsh_hpriv *hpriv,
         * see
         *  DCPMAXP/PIPEMAXP
         */
+        usbhs_pipe_sequence_data0(uep->pipe);
        usbhs_pipe_config_update(uep->pipe,
                                 usbhsh_device_number(hpriv, udev),
                                 usb_endpoint_num(desc),
@@ -430,7 +443,7 @@ struct usbhsh_ep *usbhsh_endpoint_alloc(struct usbhsh_hpriv *hpriv,
        dev_dbg(dev, "%s [%d-%s](%p)\n", __func__,
                usbhsh_device_number(hpriv, udev),
-                usbhs_pipe_name(pipe), uep);
+                usbhs_pipe_name(uep->pipe), uep);
        return uep;
 }
@@ -549,8 +562,7 @@ static void usbhsh_setup_stage_packet_push(struct usbhsh_hpriv *hpriv,
         *      usbhsh_irq_setup_ack()
         *      usbhsh_irq_setup_err()
         */
-        DECLARE_COMPLETION(done);
+        init_completion(&hpriv->setup_ack_done);
-        hpriv->done = &done;
        /* copy original request */
        memcpy(&req, urb->setup_packet, sizeof(struct usb_ctrlrequest));
@@ -572,8 +584,7 @@ static void usbhsh_setup_stage_packet_push(struct usbhsh_hpriv *hpriv,
        /*
         * wait setup packet ACK
         */
-        wait_for_completion(&done);
+        wait_for_completion(&hpriv->setup_ack_done);
-        hpriv->done = NULL;
        dev_dbg(dev, "%s done\n", __func__);
 }
@@ -724,11 +735,11 @@ static int usbhsh_urb_enqueue(struct usb_hcd *hcd,
        struct usbhsh_device *udev, *new_udev = NULL;
        struct usbhs_pipe *pipe;
        struct usbhsh_ep *uep;
+        int is_dir_in = usb_pipein(urb->pipe);
        int ret;
-        dev_dbg(dev, "%s (%s)\n",
+        dev_dbg(dev, "%s (%s)\n", __func__, is_dir_in ? "in" : "out");
-                __func__, usb_pipein(urb->pipe) ? "in" : "out");
        ret = usb_hcd_link_urb_to_ep(hcd, urb);
        if (ret)
@@ -751,7 +762,8 @@ static int usbhsh_urb_enqueue(struct usb_hcd *hcd,
         */
        uep = usbhsh_ep_to_uep(ep);
        if (!uep) {
-                uep = usbhsh_endpoint_alloc(hpriv, udev, ep, mem_flags);
+                uep = usbhsh_endpoint_alloc(hpriv, udev, ep,
+                                            is_dir_in, mem_flags);
                if (!uep)
                        goto usbhsh_urb_enqueue_error_free_device;
        }
@@ -1095,10 +1107,7 @@ static int usbhsh_irq_setup_ack(struct usbhs_priv *priv,
        dev_dbg(dev, "setup packet OK\n");
-        if (unlikely(!hpriv->done))
+        complete(&hpriv->setup_ack_done); /* see usbhsh_urb_enqueue() */
-                dev_err(dev, "setup ack happen without necessary data\n");
-        else
-                complete(hpriv->done); /* see usbhsh_urb_enqueue() */
        return 0;
 }
@@ -1111,10 +1120,7 @@ static int usbhsh_irq_setup_err(struct usbhs_priv *priv,
        dev_dbg(dev, "setup packet Err\n");
-        if (unlikely(!hpriv->done))
+        complete(&hpriv->setup_ack_done); /* see usbhsh_urb_enqueue() */
-                dev_err(dev, "setup err happen without necessary data\n");
-        else
-                complete(hpriv->done); /* see usbhsh_urb_enqueue() */
        return 0;
 }
@@ -1221,8 +1227,18 @@ static int usbhsh_stop(struct usbhs_priv *priv)
 {
        struct usbhsh_hpriv *hpriv = usbhsh_priv_to_hpriv(priv);
        struct usb_hcd *hcd = usbhsh_hpriv_to_hcd(hpriv);
+        struct usbhs_mod *mod = usbhs_mod_get_current(priv);
        struct device *dev = usbhs_priv_to_dev(priv);
+        /*
+         * disable irq callback
+         */
+        mod->irq_attch  = NULL;
+        mod->irq_dtch   = NULL;
+        mod->irq_sack   = NULL;
+        mod->irq_sign   = NULL;
+        usbhs_irq_callback_update(priv, mod);
        usb_remove_hcd(hcd);
        /* disable sys */
@@ -1235,7 +1251,7 @@ static int usbhsh_stop(struct usbhs_priv *priv)
        return 0;
 }
-int __devinit usbhs_mod_host_probe(struct usbhs_priv *priv)
+int usbhs_mod_host_probe(struct usbhs_priv *priv)
 {
        struct usbhsh_hpriv *hpriv;
        struct usb_hcd *hcd;
@@ -1251,6 +1267,7 @@ int __devinit usbhs_mod_host_probe(struct usbhs_priv *priv)
                dev_err(dev, "Failed to create hcd\n");
                return -ENOMEM;
        }
+        hcd->has_tt = 1; /* for low/full speed */
        pipe_info = kzalloc(sizeof(*pipe_info) * pipe_size, GFP_KERNEL);
        if (!pipe_info) {
@@ -1279,7 +1296,6 @@ int __devinit usbhs_mod_host_probe(struct usbhs_priv *priv)
        hpriv->mod.stop         = usbhsh_stop;
        hpriv->pipe_info        = pipe_info;
        hpriv->pipe_size        = pipe_size;
-        hpriv->done             = NULL;
        usbhsh_req_list_init(hpriv);
        usbhsh_port_stat_init(hpriv);
@@ -1299,7 +1315,7 @@ usbhs_mod_host_probe_err:
        return -ENOMEM;
 }
-int __devexit usbhs_mod_host_remove(struct usbhs_priv *priv)
+int usbhs_mod_host_remove(struct usbhs_priv *priv)
 {
        struct usbhsh_hpriv *hpriv = usbhsh_priv_to_hpriv(priv);
        struct usb_hcd *hcd = usbhsh_hpriv_to_hcd(hpriv);
diff --git a/drivers/usb/serial/ark3116.c b/drivers/usb/serial/ark3116.c
index 5cdb9d912275..18e875b92e00 100644
--- a/drivers/usb/serial/ark3116.c
+++ b/drivers/usb/serial/ark3116.c
@@ -42,7 +42,7 @@ static int debug;
 * Version information
 */
-#define DRIVER_VERSION "v0.6"
+#define DRIVER_VERSION "v0.7"
 #define DRIVER_AUTHOR "Bart Hartgers <bart.hartgers+ark3116@gmail.com>"
 #define DRIVER_DESC "USB ARK3116 serial/IrDA driver"
 #define DRIVER_DEV_DESC "ARK3116 RS232/IrDA"
@@ -380,10 +380,6 @@ static int ark3116_open(struct tty_struct *tty, struct usb_serial_port *port)
                goto err_out;
        }
-        /* setup termios */
-        if (tty)
-                ark3116_set_termios(tty, port, NULL);
        /* remove any data still left: also clears error state */
        ark3116_read_reg(serial, UART_RX, buf);
@@ -406,6 +402,10 @@ static int ark3116_open(struct tty_struct *tty, struct usb_serial_port *port)
        /* enable DMA */
        ark3116_write_reg(port->serial, UART_FCR, UART_FCR_DMA_SELECT);
+        /* setup termios */
+        if (tty)
+                ark3116_set_termios(tty, port, NULL);
 err_out:
        kfree(buf);
        return result;
diff --git a/drivers/usb/serial/ftdi_sio.c b/drivers/usb/serial/ftdi_sio.c
index 8fe034d2d3e7..ff3db5d056a5 100644
--- a/drivers/usb/serial/ftdi_sio.c
+++ b/drivers/usb/serial/ftdi_sio.c
@@ -736,6 +736,7 @@ static struct usb_device_id id_table_combined [] = {
        { USB_DEVICE(TML_VID, TML_USB_SERIAL_PID) },
        { USB_DEVICE(FTDI_VID, FTDI_ELSTER_UNICOM_PID) },
        { USB_DEVICE(FTDI_VID, FTDI_PROPOX_JTAGCABLEII_PID) },
+        { USB_DEVICE(FTDI_VID, FTDI_PROPOX_ISPCABLEIII_PID) },
        { USB_DEVICE(OLIMEX_VID, OLIMEX_ARM_USB_OCD_PID),
                .driver_info = (kernel_ulong_t)&ftdi_jtag_quirk },
        { USB_DEVICE(OLIMEX_VID, OLIMEX_ARM_USB_OCD_H_PID),
@@ -2104,13 +2105,19 @@ static void ftdi_set_termios(struct tty_struct *tty,
        cflag = termios->c_cflag;
-        /* FIXME -For this cut I don't care if the line is really changing or
+        if (old_termios->c_cflag == termios->c_cflag
-           not  - so just do the change regardless  - should be able to
+            && old_termios->c_ispeed == termios->c_ispeed
-           compare old_termios and tty->termios */
+            && old_termios->c_ospeed == termios->c_ospeed)
+                goto no_c_cflag_changes;
        /* NOTE These routines can get interrupted by
           ftdi_sio_read_bulk_callback  - need to examine what this means -
           don't see any problems yet */
+        if ((old_termios->c_cflag & (CSIZE|PARODD|PARENB|CMSPAR|CSTOPB)) ==
+            (termios->c_cflag & (CSIZE|PARODD|PARENB|CMSPAR|CSTOPB)))
+                goto no_data_parity_stop_changes;
        /* Set number of data bits, parity, stop bits */
        urb_value = 0;
@@ -2151,6 +2158,7 @@ static void ftdi_set_termios(struct tty_struct *tty,
        }
        /* Now do the baudrate */
+no_data_parity_stop_changes:
        if ((cflag & CBAUD) == B0) {
                /* Disable flow control */
                if (usb_control_msg(dev, usb_sndctrlpipe(dev, 0),
@@ -2178,6 +2186,7 @@ static void ftdi_set_termios(struct tty_struct *tty,
        /* Set flow control */
        /* Note device also supports DTR/CD (ugh) and Xon/Xoff in hardware */
+no_c_cflag_changes:
        if (cflag & CRTSCTS) {
                dbg("%s Setting to CRTSCTS flow control", __func__);
                if (usb_control_msg(dev,
diff --git a/drivers/usb/serial/ftdi_sio_ids.h b/drivers/usb/serial/ftdi_sio_ids.h
index 571fa96b49c7..055b64ef0bba 100644
--- a/drivers/usb/serial/ftdi_sio_ids.h
+++ b/drivers/usb/serial/ftdi_sio_ids.h
@@ -112,6 +112,7 @@
 /* Propox devices */
 #define FTDI_PROPOX_JTAGCABLEII_PID     0xD738
+#define FTDI_PROPOX_ISPCABLEIII_PID     0xD739
 /* Lenz LI-USB Computer Interface. */
 #define FTDI_LENZ_LIUSB_PID     0xD780
diff --git a/drivers/usb/serial/option.c b/drivers/usb/serial/option.c
index 89ae1f65e1b1..6dd64534fad0 100644
--- a/drivers/usb/serial/option.c
+++ b/drivers/usb/serial/option.c
@@ -156,6 +156,7 @@ static void option_instat_callback(struct urb *urb);
 #define HUAWEI_PRODUCT_K4511                    0x14CC
 #define HUAWEI_PRODUCT_ETS1220                  0x1803
 #define HUAWEI_PRODUCT_E353                     0x1506
+#define HUAWEI_PRODUCT_E173S                    0x1C05
 #define QUANTA_VENDOR_ID                        0x0408
 #define QUANTA_PRODUCT_Q101                     0xEA02
@@ -316,6 +317,9 @@ static void option_instat_callback(struct urb *urb);
 #define ZTE_PRODUCT_AC8710                      0xfff1
 #define ZTE_PRODUCT_AC2726                      0xfff5
 #define ZTE_PRODUCT_AC8710T                     0xffff
+#define ZTE_PRODUCT_MC2718                      0xffe8
+#define ZTE_PRODUCT_AD3812                      0xffeb
+#define ZTE_PRODUCT_MC2716                      0xffed
 #define BENQ_VENDOR_ID                          0x04a5
 #define BENQ_PRODUCT_H10                        0x4068
@@ -468,6 +472,10 @@ static void option_instat_callback(struct urb *urb);
 #define YUGA_PRODUCT_CLU528                     0x260D
 #define YUGA_PRODUCT_CLU526                     0x260F
+/* Viettel products */
+#define VIETTEL_VENDOR_ID                       0x2262
+#define VIETTEL_PRODUCT_VT1000                  0x0002
 /* some devices interfaces need special handling due to a number of reasons */
 enum option_blacklist_reason {
                OPTION_BLACKLIST_NONE = 0,
@@ -500,6 +508,18 @@ static const struct option_blacklist_info zte_k3765_z_blacklist = {
        .reserved = BIT(4),
 };
+static const struct option_blacklist_info zte_ad3812_z_blacklist = {
+        .sendsetup = BIT(0) | BIT(1) | BIT(2),
+};
+static const struct option_blacklist_info zte_mc2718_z_blacklist = {
+        .sendsetup = BIT(1) | BIT(2) | BIT(3) | BIT(4),
+};
+static const struct option_blacklist_info zte_mc2716_z_blacklist = {
+        .sendsetup = BIT(1) | BIT(2) | BIT(3),
+};
 static const struct option_blacklist_info huawei_cdc12_blacklist = {
        .reserved = BIT(1) | BIT(2),
 };
@@ -622,6 +642,7 @@ static const struct usb_device_id option_ids[] = {
        { USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E143D, 0xff, 0xff, 0xff) },
        { USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E143E, 0xff, 0xff, 0xff) },
        { USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E143F, 0xff, 0xff, 0xff) },
+        { USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E173S, 0xff, 0xff, 0xff) },
        { USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_K4505, 0xff, 0xff, 0xff),
                .driver_info = (kernel_ulong_t) &huawei_cdc12_blacklist },
        { USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_K3765, 0xff, 0xff, 0xff),
@@ -640,6 +661,14 @@ static const struct usb_device_id option_ids[] = {
        { USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_K4511, 0xff, 0x01, 0x31) },
        { USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_K4511, 0xff, 0x01, 0x32) },
        { USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E353, 0xff, 0x01, 0x01) },
+        { USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E353, 0xff, 0x01, 0x02) },
+        { USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E353, 0xff, 0x01, 0x03) },
+        { USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E353, 0xff, 0x01, 0x10) },
+        { USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E353, 0xff, 0x01, 0x12) },
+        { USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E353, 0xff, 0x01, 0x13) },
+        { USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E353, 0xff, 0x02, 0x01) },  /* E398 3G Modem */
+        { USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E353, 0xff, 0x02, 0x02) },  /* E398 3G PC UI Interface */
+        { USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E353, 0xff, 0x02, 0x03) },  /* E398 3G Application Interface */
        { USB_DEVICE(NOVATELWIRELESS_VENDOR_ID, NOVATELWIRELESS_PRODUCT_V640) },
        { USB_DEVICE(NOVATELWIRELESS_VENDOR_ID, NOVATELWIRELESS_PRODUCT_V620) },
        { USB_DEVICE(NOVATELWIRELESS_VENDOR_ID, NOVATELWIRELESS_PRODUCT_V740) },
@@ -726,6 +755,7 @@ static const struct usb_device_id option_ids[] = {
        { USB_DEVICE(KYOCERA_VENDOR_ID, KYOCERA_PRODUCT_KPC680) },
        { USB_DEVICE(QUALCOMM_VENDOR_ID, 0x6000)}, /* ZTE AC8700 */
        { USB_DEVICE(QUALCOMM_VENDOR_ID, 0x6613)}, /* Onda H600/ZTE MF330 */
+        { USB_DEVICE(QUALCOMM_VENDOR_ID, 0x9000)}, /* SIMCom SIM5218 */
        { USB_DEVICE(CMOTECH_VENDOR_ID, CMOTECH_PRODUCT_6280) }, /* BP3-USB & BP3-EXT HSDPA */
        { USB_DEVICE(CMOTECH_VENDOR_ID, CMOTECH_PRODUCT_6008) },
        { USB_DEVICE(TELIT_VENDOR_ID, TELIT_PRODUCT_UC864E) },
@@ -1043,6 +1073,12 @@ static const struct usb_device_id option_ids[] = {
        { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, ZTE_PRODUCT_AC8710, 0xff, 0xff, 0xff) },
        { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, ZTE_PRODUCT_AC2726, 0xff, 0xff, 0xff) },
        { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, ZTE_PRODUCT_AC8710T, 0xff, 0xff, 0xff) },
+        { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, ZTE_PRODUCT_MC2718, 0xff, 0xff, 0xff),
+         .driver_info = (kernel_ulong_t)&zte_mc2718_z_blacklist },
+        { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, ZTE_PRODUCT_AD3812, 0xff, 0xff, 0xff),
+         .driver_info = (kernel_ulong_t)&zte_ad3812_z_blacklist },
+        { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, ZTE_PRODUCT_MC2716, 0xff, 0xff, 0xff),
+         .driver_info = (kernel_ulong_t)&zte_mc2716_z_blacklist },
        { USB_DEVICE(BENQ_VENDOR_ID, BENQ_PRODUCT_H10) },
        { USB_DEVICE(DLINK_VENDOR_ID, DLINK_PRODUCT_DWM_652) },
        { USB_DEVICE(ALINK_VENDOR_ID, DLINK_PRODUCT_DWM_652_U5) }, /* Yes, ALINK_VENDOR_ID */
@@ -1141,6 +1177,7 @@ static const struct usb_device_id option_ids[] = {
        { USB_DEVICE(YUGA_VENDOR_ID, YUGA_PRODUCT_CLU516) },
        { USB_DEVICE(YUGA_VENDOR_ID, YUGA_PRODUCT_CLU528) },
        { USB_DEVICE(YUGA_VENDOR_ID, YUGA_PRODUCT_CLU526) },
+        { USB_DEVICE_AND_INTERFACE_INFO(VIETTEL_VENDOR_ID, VIETTEL_PRODUCT_VT1000, 0xff, 0xff, 0xff) },
        { } /* Terminating entry */
 };
 MODULE_DEVICE_TABLE(usb, option_ids);
diff --git a/drivers/usb/serial/pl2303.c b/drivers/usb/serial/pl2303.c
index 9083d1e616b4..fc2d66f7f4eb 100644
--- a/drivers/usb/serial/pl2303.c
+++ b/drivers/usb/serial/pl2303.c
@@ -91,7 +91,6 @@ static const struct usb_device_id id_table[] = {
        { USB_DEVICE(SONY_VENDOR_ID, SONY_QN3USB_PRODUCT_ID) },
        { USB_DEVICE(SANWA_VENDOR_ID, SANWA_PRODUCT_ID) },
        { USB_DEVICE(ADLINK_VENDOR_ID, ADLINK_ND6530_PRODUCT_ID) },
-        { USB_DEVICE(WINCHIPHEAD_VENDOR_ID, WINCHIPHEAD_USBSER_PRODUCT_ID) },
        { USB_DEVICE(SMART_VENDOR_ID, SMART_PRODUCT_ID) },
        { }                                     /* Terminating entry */
 };
diff --git a/drivers/usb/serial/pl2303.h b/drivers/usb/serial/pl2303.h
index 3d10d7f02072..c38b8c00c06f 100644
--- a/drivers/usb/serial/pl2303.h
+++ b/drivers/usb/serial/pl2303.h
@@ -145,10 +145,6 @@
 #define ADLINK_VENDOR_ID                0x0b63
 #define ADLINK_ND6530_PRODUCT_ID        0x6530
-/* WinChipHead USB->RS 232 adapter */
-#define WINCHIPHEAD_VENDOR_ID           0x4348
-#define WINCHIPHEAD_USBSER_PRODUCT_ID   0x5523
 /* SMART USB Serial Adapter */
 #define SMART_VENDOR_ID 0x0b8c
 #define SMART_PRODUCT_ID        0x2303
diff --git a/drivers/usb/storage/ene_ub6250.c b/drivers/usb/storage/ene_ub6250.c
index 4dca3ef0668c..9fbe742343c6 100644
--- a/drivers/usb/storage/ene_ub6250.c
+++ b/drivers/usb/storage/ene_ub6250.c
@@ -1762,10 +1762,9 @@ static int ms_scsi_write(struct us_data *us, struct scsi_cmnd *srb)
                result = ene_send_scsi_cmd(us, FDIR_WRITE, scsi_sglist(srb), 1);
        } else {
                void *buf;
-                int offset;
+                int offset = 0;
                u16 PhyBlockAddr;
                u8 PageNum;
-                u32 result;
                u16 len, oldphy, newphy;
                buf = kmalloc(blenByte, GFP_KERNEL);
diff --git a/drivers/usb/storage/protocol.c b/drivers/usb/storage/protocol.c
index 93c1a4d86f51..82dd834709c7 100644
--- a/drivers/usb/storage/protocol.c
+++ b/drivers/usb/storage/protocol.c
@@ -59,7 +59,9 @@
 void usb_stor_pad12_command(struct scsi_cmnd *srb, struct us_data *us)
 {
-        /* Pad the SCSI command with zeros out to 12 bytes
+        /*
+         * Pad the SCSI command with zeros out to 12 bytes.  If the
+         * command already is 12 bytes or longer, leave it alone.
         *
         * NOTE: This only works because a scsi_cmnd struct field contains
         * a unsigned char cmnd[16], so we know we have storage available
@@ -67,9 +69,6 @@ void usb_stor_pad12_command(struct scsi_cmnd *srb, struct us_data *us)
        for (; srb->cmd_len<12; srb->cmd_len++)
                srb->cmnd[srb->cmd_len] = 0;
-        /* set command length to 12 bytes */
-        srb->cmd_len = 12;
        /* send the command to the transport layer */
        usb_stor_invoke_transport(srb, us);
 }
diff --git a/drivers/usb/storage/unusual_devs.h b/drivers/usb/storage/unusual_devs.h
index 3041a974faf3..24caba79d722 100644
--- a/drivers/usb/storage/unusual_devs.h
+++ b/drivers/usb/storage/unusual_devs.h
@@ -1854,6 +1854,13 @@ UNUSUAL_DEV(  0x1370, 0x6828, 0x0110, 0x0110,
                USB_SC_DEVICE, USB_PR_DEVICE, NULL,
                US_FL_IGNORE_RESIDUE ),
+/* Reported by Qinglin Ye <yestyle@gmail.com> */
+UNUSUAL_DEV(  0x13fe, 0x3600, 0x0100, 0x0100,
+                "Kingston",
+                "DT 101 G2",
+                USB_SC_DEVICE, USB_PR_DEVICE, NULL,
+                US_FL_BULK_IGNORE_TAG ),
 /* Reported by Francesco Foresti <frafore@tiscali.it> */
 UNUSUAL_DEV(  0x14cd, 0x6600, 0x0201, 0x0201,
                "Super Top",
diff --git a/drivers/video/da8xx-fb.c b/drivers/video/da8xx-fb.c
index 55f91d9ab00b..29577bf1f559 100644
--- a/drivers/video/da8xx-fb.c
+++ b/drivers/video/da8xx-fb.c
@@ -116,6 +116,7 @@
 /* Clock registers available only on Version 2 */
 #define  LCD_CLK_ENABLE_REG                     0x6c
 #define  LCD_CLK_RESET_REG                      0x70
+#define  LCD_CLK_MAIN_RESET                     BIT(3)
 #define LCD_NUM_BUFFERS 2
@@ -244,6 +245,10 @@ static inline void lcd_enable_raster(void)
 {
        u32 reg;
+        /* Bring LCDC out of reset */
+        if (lcd_revision == LCD_VERSION_2)
+                lcdc_write(0, LCD_CLK_RESET_REG);
        reg = lcdc_read(LCD_RASTER_CTRL_REG);
        if (!(reg & LCD_RASTER_ENABLE))
                lcdc_write(reg | LCD_RASTER_ENABLE, LCD_RASTER_CTRL_REG);
@@ -257,6 +262,10 @@ static inline void lcd_disable_raster(void)
        reg = lcdc_read(LCD_RASTER_CTRL_REG);
        if (reg & LCD_RASTER_ENABLE)
                lcdc_write(reg & ~LCD_RASTER_ENABLE, LCD_RASTER_CTRL_REG);
+        if (lcd_revision == LCD_VERSION_2)
+                /* Write 1 to reset LCDC */
+                lcdc_write(LCD_CLK_MAIN_RESET, LCD_CLK_RESET_REG);
 }
 static void lcd_blit(int load_mode, struct da8xx_fb_par *par)
@@ -584,8 +593,12 @@ static void lcd_reset(struct da8xx_fb_par *par)
        lcdc_write(0, LCD_DMA_CTRL_REG);
        lcdc_write(0, LCD_RASTER_CTRL_REG);
-        if (lcd_revision == LCD_VERSION_2)
+        if (lcd_revision == LCD_VERSION_2) {
                lcdc_write(0, LCD_INT_ENABLE_SET_REG);
+                /* Write 1 to reset */
+                lcdc_write(LCD_CLK_MAIN_RESET, LCD_CLK_RESET_REG);
+                lcdc_write(0, LCD_CLK_RESET_REG);
+        }
 }
 static void lcd_calc_clk_divider(struct da8xx_fb_par *par)
diff --git a/drivers/video/omap/dispc.c b/drivers/video/omap/dispc.c
index 0ccd7adf47bb..6f61e781f15a 100644
--- a/drivers/video/omap/dispc.c
+++ b/drivers/video/omap/dispc.c
@@ -19,6 +19,7 @@
 * 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
 */
 #include <linux/kernel.h>
+#include <linux/module.h>
 #include <linux/dma-mapping.h>
 #include <linux/mm.h>
 #include <linux/vmalloc.h>
diff --git a/drivers/video/omap2/dss/dispc.c b/drivers/video/omap2/dss/dispc.c
index 3532782551cb..5c81533eacaa 100644
--- a/drivers/video/omap2/dss/dispc.c
+++ b/drivers/video/omap2/dss/dispc.c
@@ -1720,12 +1720,11 @@ static int dispc_ovl_calc_scaling(enum omap_plane plane,
        const int maxdownscale = dss_feat_get_param_max(FEAT_PARAM_DOWNSCALE);
        unsigned long fclk = 0;
-        if ((ovl->caps & OMAP_DSS_OVL_CAP_SCALE) == 0) {
+        if (width == out_width && height == out_height)
-                if (width != out_width || height != out_height)
+                return 0;
-                        return -EINVAL;
-                else
+        if ((ovl->caps & OMAP_DSS_OVL_CAP_SCALE) == 0)
-                        return 0;
+                return -EINVAL;
-        }
        if (out_width < width / maxdownscale ||
                        out_width > width * 8)
diff --git a/drivers/video/omap2/dss/hdmi.c b/drivers/video/omap2/dss/hdmi.c
index 3262f0f1fa35..c56378c555b0 100644
--- a/drivers/video/omap2/dss/hdmi.c
+++ b/drivers/video/omap2/dss/hdmi.c
@@ -269,7 +269,7 @@ static void update_hdmi_timings(struct hdmi_config *cfg,
 unsigned long hdmi_get_pixel_clock(void)
 {
        /* HDMI Pixel Clock in Mhz */
-        return hdmi.ip_data.cfg.timings.timings.pixel_clock * 10000;
+        return hdmi.ip_data.cfg.timings.timings.pixel_clock * 1000;
 }
 static void hdmi_compute_pll(struct omap_dss_device *dssdev, int phy,
diff --git a/drivers/video/via/share.h b/drivers/video/via/share.h
index 69d882cbe709..c01c1c162726 100644
--- a/drivers/video/via/share.h
+++ b/drivers/video/via/share.h
@@ -559,8 +559,8 @@
 #define M1200X720_R60_VSP       POSITIVE
 /* 1200x900@60 Sync Polarity (DCON) */
-#define M1200X900_R60_HSP       NEGATIVE
+#define M1200X900_R60_HSP       POSITIVE
-#define M1200X900_R60_VSP       NEGATIVE
+#define M1200X900_R60_VSP       POSITIVE
 /* 1280x600@60 Sync Polarity (GTF Mode) */
 #define M1280x600_R60_HSP       NEGATIVE
diff --git a/drivers/virtio/Kconfig b/drivers/virtio/Kconfig
index 816ed08e7cf3..1a61939b85fc 100644
--- a/drivers/virtio/Kconfig
+++ b/drivers/virtio/Kconfig
@@ -37,7 +37,7 @@ config VIRTIO_BALLOON
 config VIRTIO_MMIO
        tristate "Platform bus driver for memory mapped virtio devices (EXPERIMENTAL)"
-        depends on EXPERIMENTAL
+        depends on HAS_IOMEM && EXPERIMENTAL
        select VIRTIO
        select VIRTIO_RING
        ---help---
diff --git a/drivers/virtio/virtio_mmio.c b/drivers/virtio/virtio_mmio.c
index acc5e43c373e..7317dc2ec426 100644
--- a/drivers/virtio/virtio_mmio.c
+++ b/drivers/virtio/virtio_mmio.c
@@ -118,7 +118,7 @@ static void vm_finalize_features(struct virtio_device *vdev)
        vring_transport_features(vdev);
        for (i = 0; i < ARRAY_SIZE(vdev->features); i++) {
-                writel(i, vm_dev->base + VIRTIO_MMIO_GUEST_FEATURES_SET);
+                writel(i, vm_dev->base + VIRTIO_MMIO_GUEST_FEATURES_SEL);
                writel(vdev->features[i],
                                vm_dev->base + VIRTIO_MMIO_GUEST_FEATURES);
        }
diff --git a/drivers/virtio/virtio_pci.c b/drivers/virtio/virtio_pci.c
index 79a31e5b4b68..03d1984bd363 100644
--- a/drivers/virtio/virtio_pci.c
+++ b/drivers/virtio/virtio_pci.c
@@ -169,11 +169,29 @@ static void vp_set_status(struct virtio_device *vdev, u8 status)
        iowrite8(status, vp_dev->ioaddr + VIRTIO_PCI_STATUS);
 }
+/* wait for pending irq handlers */
+static void vp_synchronize_vectors(struct virtio_device *vdev)
+{
+        struct virtio_pci_device *vp_dev = to_vp_device(vdev);
+        int i;
+        if (vp_dev->intx_enabled)
+                synchronize_irq(vp_dev->pci_dev->irq);
+        for (i = 0; i < vp_dev->msix_vectors; ++i)
+                synchronize_irq(vp_dev->msix_entries[i].vector);
+}
 static void vp_reset(struct virtio_device *vdev)
 {
        struct virtio_pci_device *vp_dev = to_vp_device(vdev);
        /* 0 status means a reset. */
        iowrite8(0, vp_dev->ioaddr + VIRTIO_PCI_STATUS);
+        /* Flush out the status write, and flush in device writes,
+         * including MSi-X interrupts, if any. */
+        ioread8(vp_dev->ioaddr + VIRTIO_PCI_STATUS);
+        /* Flush pending VQ/configuration callbacks. */
+        vp_synchronize_vectors(vdev);
 }
 /* the notify function used when creating a virt queue */
@@ -594,11 +612,11 @@ static struct virtio_config_ops virtio_pci_config_ops = {
 static void virtio_pci_release_dev(struct device *_d)
 {
-        struct virtio_device *dev = container_of(_d, struct virtio_device,
+        /*
-                                                 dev);
+         * No need for a release method as we allocate/free
-        struct virtio_pci_device *vp_dev = to_vp_device(dev);
+         * all devices together with the pci devices.
+         * Provide an empty one to avoid getting a warning from core.
-        kfree(vp_dev);
+         */
 }
 /* the PCI probing function */
@@ -686,6 +704,7 @@ static void __devexit virtio_pci_remove(struct pci_dev *pci_dev)
        pci_iounmap(pci_dev, vp_dev->ioaddr);
        pci_release_regions(pci_dev);
        pci_disable_device(pci_dev);
+        kfree(vp_dev);
 }
 #ifdef CONFIG_PM
diff --git a/drivers/watchdog/Kconfig b/drivers/watchdog/Kconfig
index 6285867a9356..79fd606b7cd5 100644
--- a/drivers/watchdog/Kconfig
+++ b/drivers/watchdog/Kconfig
@@ -314,13 +314,6 @@ config NUC900_WATCHDOG
          To compile this driver as a module, choose M here: the
          module will be called nuc900_wdt.
-config ADX_WATCHDOG
-        tristate "Avionic Design Xanthos watchdog"
-        depends on ARCH_PXA_ADX
-        help
-          Say Y here if you want support for the watchdog timer on Avionic
-          Design Xanthos boards.
 config TS72XX_WATCHDOG
        tristate "TS-72XX SBC Watchdog"
        depends on MACH_TS72XX
diff --git a/drivers/watchdog/Makefile b/drivers/watchdog/Makefile
index 55bd5740e910..fe893e91935b 100644
--- a/drivers/watchdog/Makefile
+++ b/drivers/watchdog/Makefile
@@ -51,7 +51,6 @@ obj-$(CONFIG_ORION_WATCHDOG) += orion_wdt.o
 obj-$(CONFIG_COH901327_WATCHDOG) += coh901327_wdt.o
 obj-$(CONFIG_STMP3XXX_WATCHDOG) += stmp3xxx_wdt.o
 obj-$(CONFIG_NUC900_WATCHDOG) += nuc900_wdt.o
-obj-$(CONFIG_ADX_WATCHDOG) += adx_wdt.o
 obj-$(CONFIG_TS72XX_WATCHDOG) += ts72xx_wdt.o
 obj-$(CONFIG_IMX2_WDT) += imx2_wdt.o
diff --git a/drivers/watchdog/adx_wdt.c b/drivers/watchdog/adx_wdt.c
deleted file mode 100644
index af6e6b16475a..000000000000
--- a/drivers/watchdog/adx_wdt.c
+++ /dev/null
@@ -1,355 +0,0 @@
-/*
- * Copyright (C) 2008-2009 Avionic Design GmbH
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
- */
-#include <linux/fs.h>
-#include <linux/gfp.h>
-#include <linux/io.h>
-#include <linux/miscdevice.h>
-#include <linux/module.h>
-#include <linux/platform_device.h>
-#include <linux/types.h>
-#include <linux/uaccess.h>
-#include <linux/watchdog.h>
-#define WATCHDOG_NAME "adx-wdt"
-/* register offsets */
-#define ADX_WDT_CONTROL         0x00
-#define ADX_WDT_CONTROL_ENABLE  (1 << 0)
-#define ADX_WDT_CONTROL_nRESET  (1 << 1)
-#define ADX_WDT_TIMEOUT         0x08
-static struct platform_device *adx_wdt_dev;
-static unsigned long driver_open;
-#define WDT_STATE_STOP  0
-#define WDT_STATE_START 1
-struct adx_wdt {
-        void __iomem *base;
-        unsigned long timeout;
-        unsigned int state;
-        unsigned int wake;
-        spinlock_t lock;
-};
-static const struct watchdog_info adx_wdt_info = {
-        .identity = "Avionic Design Xanthos Watchdog",
-        .options = WDIOF_SETTIMEOUT | WDIOF_KEEPALIVEPING,
-};
-static void adx_wdt_start_locked(struct adx_wdt *wdt)
-{
-        u32 ctrl;
-        ctrl = readl(wdt->base + ADX_WDT_CONTROL);
-        ctrl |= ADX_WDT_CONTROL_ENABLE;
-        writel(ctrl, wdt->base + ADX_WDT_CONTROL);
-        wdt->state = WDT_STATE_START;
-}
-static void adx_wdt_start(struct adx_wdt *wdt)
-{
-        unsigned long flags;
-        spin_lock_irqsave(&wdt->lock, flags);
-        adx_wdt_start_locked(wdt);
-        spin_unlock_irqrestore(&wdt->lock, flags);
-}
-static void adx_wdt_stop_locked(struct adx_wdt *wdt)
-{
-        u32 ctrl;
-        ctrl = readl(wdt->base + ADX_WDT_CONTROL);
-        ctrl &= ~ADX_WDT_CONTROL_ENABLE;
-        writel(ctrl, wdt->base + ADX_WDT_CONTROL);
-        wdt->state = WDT_STATE_STOP;
-}
-static void adx_wdt_stop(struct adx_wdt *wdt)
-{
-        unsigned long flags;
-        spin_lock_irqsave(&wdt->lock, flags);
-        adx_wdt_stop_locked(wdt);
-        spin_unlock_irqrestore(&wdt->lock, flags);
-}
-static void adx_wdt_set_timeout(struct adx_wdt *wdt, unsigned long seconds)
-{
-        unsigned long timeout = seconds * 1000;
-        unsigned long flags;
-        unsigned int state;
-        spin_lock_irqsave(&wdt->lock, flags);
-        state = wdt->state;
-        adx_wdt_stop_locked(wdt);
-        writel(timeout, wdt->base + ADX_WDT_TIMEOUT);
-        if (state == WDT_STATE_START)
-                adx_wdt_start_locked(wdt);
-        wdt->timeout = timeout;
-        spin_unlock_irqrestore(&wdt->lock, flags);
-}
-static void adx_wdt_get_timeout(struct adx_wdt *wdt, unsigned long *seconds)
-{
-        *seconds = wdt->timeout / 1000;
-}
-static void adx_wdt_keepalive(struct adx_wdt *wdt)
-{
-        unsigned long flags;
-        spin_lock_irqsave(&wdt->lock, flags);
-        writel(wdt->timeout, wdt->base + ADX_WDT_TIMEOUT);
-        spin_unlock_irqrestore(&wdt->lock, flags);
-}
-static int adx_wdt_open(struct inode *inode, struct file *file)
-{
-        struct adx_wdt *wdt = platform_get_drvdata(adx_wdt_dev);
-        if (test_and_set_bit(0, &driver_open))
-                return -EBUSY;
-        file->private_data = wdt;
-        adx_wdt_set_timeout(wdt, 30);
-        adx_wdt_start(wdt);
-        return nonseekable_open(inode, file);
-}
-static int adx_wdt_release(struct inode *inode, struct file *file)
-{
-        struct adx_wdt *wdt = file->private_data;
-        adx_wdt_stop(wdt);
-        clear_bit(0, &driver_open);
-        return 0;
-}
-static long adx_wdt_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
-{
-        struct adx_wdt *wdt = file->private_data;
-        void __user *argp = (void __user *)arg;
-        unsigned long __user *p = argp;
-        unsigned long seconds = 0;
-        unsigned int options;
-        long ret = -EINVAL;
-        switch (cmd) {
-        case WDIOC_GETSUPPORT:
-                if (copy_to_user(argp, &adx_wdt_info, sizeof(adx_wdt_info)))
-                        return -EFAULT;
-                else
-                        return 0;
-        case WDIOC_GETSTATUS:
-        case WDIOC_GETBOOTSTATUS:
-                return put_user(0, p);
-        case WDIOC_KEEPALIVE:
-                adx_wdt_keepalive(wdt);
-                return 0;
-        case WDIOC_SETTIMEOUT:
-                if (get_user(seconds, p))
-                        return -EFAULT;
-                adx_wdt_set_timeout(wdt, seconds);
-                /* fallthrough */
-        case WDIOC_GETTIMEOUT:
-                adx_wdt_get_timeout(wdt, &seconds);
-                return put_user(seconds, p);
-        case WDIOC_SETOPTIONS:
-                if (copy_from_user(&options, argp, sizeof(options)))
-                        return -EFAULT;
-                if (options & WDIOS_DISABLECARD) {
-                        adx_wdt_stop(wdt);
-                        ret = 0;
-                }
-                if (options & WDIOS_ENABLECARD) {
-                        adx_wdt_start(wdt);
-                        ret = 0;
-                }
-                return ret;
-        default:
-                break;
-        }
-        return -ENOTTY;
-}
-static ssize_t adx_wdt_write(struct file *file, const char __user *data,
-                size_t len, loff_t *ppos)
-{
-        struct adx_wdt *wdt = file->private_data;
-        if (len)
-                adx_wdt_keepalive(wdt);
-        return len;
-}
-static const struct file_operations adx_wdt_fops = {
-        .owner = THIS_MODULE,
-        .llseek = no_llseek,
-        .open = adx_wdt_open,
-        .release = adx_wdt_release,
-        .unlocked_ioctl = adx_wdt_ioctl,
-        .write = adx_wdt_write,
-};
-static struct miscdevice adx_wdt_miscdev = {
-        .minor = WATCHDOG_MINOR,
-        .name = "watchdog",
-        .fops = &adx_wdt_fops,
-};
-static int __devinit adx_wdt_probe(struct platform_device *pdev)
-{
-        struct resource *res;
-        struct adx_wdt *wdt;
-        int ret = 0;
-        u32 ctrl;
-        wdt = devm_kzalloc(&pdev->dev, sizeof(*wdt), GFP_KERNEL);
-        if (!wdt) {
-                dev_err(&pdev->dev, "cannot allocate WDT structure\n");
-                return -ENOMEM;
-        }
-        spin_lock_init(&wdt->lock);
-        res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
-        if (!res) {
-                dev_err(&pdev->dev, "cannot obtain I/O memory region\n");
-                return -ENXIO;
-        }
-        res = devm_request_mem_region(&pdev->dev, res->start,
-                        resource_size(res), res->name);
-        if (!res) {
-                dev_err(&pdev->dev, "cannot request I/O memory region\n");
-                return -ENXIO;
-        }
-        wdt->base = devm_ioremap_nocache(&pdev->dev, res->start,
-                        resource_size(res));
-        if (!wdt->base) {
-                dev_err(&pdev->dev, "cannot remap I/O memory region\n");
-                return -ENXIO;
-        }
-        /* disable watchdog and reboot on timeout */
-        ctrl = readl(wdt->base + ADX_WDT_CONTROL);
-        ctrl &= ~ADX_WDT_CONTROL_ENABLE;
-        ctrl &= ~ADX_WDT_CONTROL_nRESET;
-        writel(ctrl, wdt->base + ADX_WDT_CONTROL);
-        platform_set_drvdata(pdev, wdt);
-        adx_wdt_dev = pdev;
-        ret = misc_register(&adx_wdt_miscdev);
-        if (ret) {
-                dev_err(&pdev->dev, "cannot register miscdev on minor %d "
-                                "(err=%d)\n", WATCHDOG_MINOR, ret);
-                return ret;
-        }
-        return 0;
-}
-static int __devexit adx_wdt_remove(struct platform_device *pdev)
-{
-        struct adx_wdt *wdt = platform_get_drvdata(pdev);
-        misc_deregister(&adx_wdt_miscdev);
-        adx_wdt_stop(wdt);
-        platform_set_drvdata(pdev, NULL);
-        return 0;
-}
-static void adx_wdt_shutdown(struct platform_device *pdev)
-{
-        struct adx_wdt *wdt = platform_get_drvdata(pdev);
-        adx_wdt_stop(wdt);
-}
-#ifdef CONFIG_PM
-static int adx_wdt_suspend(struct device *dev)
-{
-        struct platform_device *pdev = to_platform_device(dev);
-        struct adx_wdt *wdt = platform_get_drvdata(pdev);
-        wdt->wake = (wdt->state == WDT_STATE_START) ? 1 : 0;
-        adx_wdt_stop(wdt);
-        return 0;
-}
-static int adx_wdt_resume(struct device *dev)
-{
-        struct platform_device *pdev = to_platform_device(dev);
-        struct adx_wdt *wdt = platform_get_drvdata(pdev);
-        if (wdt->wake)
-                adx_wdt_start(wdt);
-        return 0;
-}
-static const struct dev_pm_ops adx_wdt_pm_ops = {
-        .suspend = adx_wdt_suspend,
-        .resume = adx_wdt_resume,
-};
-#  define ADX_WDT_PM_OPS        (&adx_wdt_pm_ops)
-#else
-#  define ADX_WDT_PM_OPS        NULL
-#endif
-static struct platform_driver adx_wdt_driver = {
-        .probe = adx_wdt_probe,
-        .remove = __devexit_p(adx_wdt_remove),
-        .shutdown = adx_wdt_shutdown,
-        .driver = {
-                .name = WATCHDOG_NAME,
-                .owner = THIS_MODULE,
-                .pm = ADX_WDT_PM_OPS,
-        },
-};
-static int __init adx_wdt_init(void)
-{
-        return platform_driver_register(&adx_wdt_driver);
-}
-static void __exit adx_wdt_exit(void)
-{
-        platform_driver_unregister(&adx_wdt_driver);
-}
-module_init(adx_wdt_init);
-module_exit(adx_wdt_exit);
-MODULE_DESCRIPTION("Avionic Design Xanthos Watchdog Driver");
-MODULE_LICENSE("GPL v2");
-MODULE_AUTHOR("Thierry Reding <thierry.reding@avionic-design.de>");
-MODULE_ALIAS_MISCDEV(WATCHDOG_MINOR);
diff --git a/drivers/watchdog/s3c2410_wdt.c b/drivers/watchdog/s3c2410_wdt.c
index 5de7e4fa5b8a..a79e3840782a 100644
--- a/drivers/watchdog/s3c2410_wdt.c
+++ b/drivers/watchdog/s3c2410_wdt.c
@@ -401,8 +401,8 @@ static int __devinit s3c2410wdt_probe(struct platform_device *pdev)
        dev_info(dev, "watchdog %sactive, reset %sabled, irq %sabled\n",
                 (wtcon & S3C2410_WTCON_ENABLE) ?  "" : "in",
-                 (wtcon & S3C2410_WTCON_RSTEN) ? "" : "dis",
+                 (wtcon & S3C2410_WTCON_RSTEN) ? "en" : "dis",
-                 (wtcon & S3C2410_WTCON_INTEN) ? "" : "en");
+                 (wtcon & S3C2410_WTCON_INTEN) ? "en" : "dis");
        return 0;
diff --git a/drivers/watchdog/wm831x_wdt.c b/drivers/watchdog/wm831x_wdt.c
index 7be38556aed0..e789a47db41f 100644
--- a/drivers/watchdog/wm831x_wdt.c
+++ b/drivers/watchdog/wm831x_wdt.c
@@ -150,7 +150,7 @@ static int wm831x_wdt_set_timeout(struct watchdog_device *wdt_dev,
                if (wm831x_wdt_cfgs[i].time == timeout)
                        break;
        if (i == ARRAY_SIZE(wm831x_wdt_cfgs))
-                ret = -EINVAL;
+                return -EINVAL;
        ret = wm831x_reg_unlock(wm831x);
        if (ret == 0) {
diff --git a/drivers/xen/balloon.c b/drivers/xen/balloon.c
index a767884a6c7a..31ab82fda38a 100644
--- a/drivers/xen/balloon.c
+++ b/drivers/xen/balloon.c
@@ -501,7 +501,7 @@ EXPORT_SYMBOL_GPL(balloon_set_new_target);
 * alloc_xenballooned_pages - get pages that have been ballooned out
 * @nr_pages: Number of pages to get
 * @pages: pages returned
- * @highmem: highmem or lowmem pages
+ * @highmem: allow highmem pages
 * @return 0 on success, error otherwise
 */
 int alloc_xenballooned_pages(int nr_pages, struct page **pages, bool highmem)
@@ -511,7 +511,7 @@ int alloc_xenballooned_pages(int nr_pages, struct page **pages, bool highmem)
        mutex_lock(&balloon_mutex);
        while (pgno < nr_pages) {
                page = balloon_retrieve(highmem);
-                if (page && PageHighMem(page) == highmem) {
+                if (page && (highmem || !PageHighMem(page))) {
                        pages[pgno++] = page;
                } else {
                        enum bp_state st;
diff --git a/drivers/xen/gntalloc.c b/drivers/xen/gntalloc.c
index f6832f46aea4..e1c4c6e5b469 100644
--- a/drivers/xen/gntalloc.c
+++ b/drivers/xen/gntalloc.c
@@ -135,7 +135,7 @@ static int add_grefs(struct ioctl_gntalloc_alloc_gref *op,
                /* Grant foreign access to the page. */
                gref->gref_id = gnttab_grant_foreign_access(op->domid,
                        pfn_to_mfn(page_to_pfn(gref->page)), readonly);
-                if (gref->gref_id < 0) {
+                if ((int)gref->gref_id < 0) {
                        rc = gref->gref_id;
                        goto undo;
                }
@@ -280,7 +280,7 @@ static long gntalloc_ioctl_alloc(struct gntalloc_file_private_data *priv,
                goto out;
        }
-        gref_ids = kzalloc(sizeof(gref_ids[0]) * op.count, GFP_TEMPORARY);
+        gref_ids = kcalloc(op.count, sizeof(gref_ids[0]), GFP_TEMPORARY);
        if (!gref_ids) {
                rc = -ENOMEM;
                goto out;
diff --git a/drivers/xen/gntdev.c b/drivers/xen/gntdev.c
index 39871326afa2..afca14d9042e 100644
--- a/drivers/xen/gntdev.c
+++ b/drivers/xen/gntdev.c
@@ -114,11 +114,11 @@ static struct grant_map *gntdev_alloc_map(struct gntdev_priv *priv, int count)
        if (NULL == add)
                return NULL;
-        add->grants    = kzalloc(sizeof(add->grants[0])    * count, GFP_KERNEL);
+        add->grants    = kcalloc(count, sizeof(add->grants[0]), GFP_KERNEL);
-        add->map_ops   = kzalloc(sizeof(add->map_ops[0])   * count, GFP_KERNEL);
+        add->map_ops   = kcalloc(count, sizeof(add->map_ops[0]), GFP_KERNEL);
-        add->unmap_ops = kzalloc(sizeof(add->unmap_ops[0]) * count, GFP_KERNEL);
+        add->unmap_ops = kcalloc(count, sizeof(add->unmap_ops[0]), GFP_KERNEL);
-        add->kmap_ops  = kzalloc(sizeof(add->kmap_ops[0])  * count, GFP_KERNEL);
+        add->kmap_ops  = kcalloc(count, sizeof(add->kmap_ops[0]), GFP_KERNEL);
-        add->pages     = kzalloc(sizeof(add->pages[0])     * count, GFP_KERNEL);
+        add->pages     = kcalloc(count, sizeof(add->pages[0]), GFP_KERNEL);
        if (NULL == add->grants    ||
            NULL == add->map_ops   ||
            NULL == add->unmap_ops ||
diff --git a/drivers/xen/swiotlb-xen.c b/drivers/xen/swiotlb-xen.c
index 4864e5d72e72..19e6a2041371 100644
--- a/drivers/xen/swiotlb-xen.c
+++ b/drivers/xen/swiotlb-xen.c
@@ -166,7 +166,7 @@ retry:
        /*
         * Get IO TLB memory from any location.
         */
-        xen_io_tlb_start = alloc_bootmem(bytes);
+        xen_io_tlb_start = alloc_bootmem_pages(PAGE_ALIGN(bytes));
        if (!xen_io_tlb_start) {
                m = "Cannot allocate Xen-SWIOTLB buffer!\n";
                goto error;
@@ -179,7 +179,7 @@ retry:
                               bytes,
                               xen_io_tlb_nslabs);
        if (rc) {
-                free_bootmem(__pa(xen_io_tlb_start), bytes);
+                free_bootmem(__pa(xen_io_tlb_start), PAGE_ALIGN(bytes));
                m = "Failed to get contiguous memory for DMA from Xen!\n"\
                    "You either: don't have the permissions, do not have"\
                    " enough free memory under 4GB, or the hypervisor memory"\
diff --git a/drivers/xen/xenbus/xenbus_client.c b/drivers/xen/xenbus/xenbus_client.c
index 81c3ce6b8bbe..1906125eab49 100644
--- a/drivers/xen/xenbus/xenbus_client.c
+++ b/drivers/xen/xenbus/xenbus_client.c
@@ -35,6 +35,7 @@
 #include <linux/vmalloc.h>
 #include <linux/export.h>
 #include <asm/xen/hypervisor.h>
+#include <asm/xen/page.h>
 #include <xen/interface/xen.h>
 #include <xen/interface/event_channel.h>
 #include <xen/events.h>
@@ -436,19 +437,20 @@ EXPORT_SYMBOL_GPL(xenbus_free_evtchn);
 int xenbus_map_ring_valloc(struct xenbus_device *dev, int gnt_ref, void **vaddr)
 {
        struct gnttab_map_grant_ref op = {
-                .flags = GNTMAP_host_map,
+                .flags = GNTMAP_host_map | GNTMAP_contains_pte,
                .ref   = gnt_ref,
                .dom   = dev->otherend_id,
        };
        struct vm_struct *area;
+        pte_t *pte;
        *vaddr = NULL;
-        area = alloc_vm_area(PAGE_SIZE);
+        area = alloc_vm_area(PAGE_SIZE, &pte);
        if (!area)
                return -ENOMEM;
-        op.host_addr = (unsigned long)area->addr;
+        op.host_addr = arbitrary_virt_to_machine(pte).maddr;
        if (HYPERVISOR_grant_table_op(GNTTABOP_map_grant_ref, &op, 1))
                BUG();
@@ -527,6 +529,7 @@ int xenbus_unmap_ring_vfree(struct xenbus_device *dev, void *vaddr)
        struct gnttab_unmap_grant_ref op = {
                .host_addr = (unsigned long)vaddr,
        };
+        unsigned int level;
        /* It'd be nice if linux/vmalloc.h provided a find_vm_area(void *addr)
         * method so that we don't have to muck with vmalloc internals here.
@@ -548,6 +551,8 @@ int xenbus_unmap_ring_vfree(struct xenbus_device *dev, void *vaddr)
        }
        op.handle = (grant_handle_t)area->phys_addr;
+        op.host_addr = arbitrary_virt_to_machine(
+                lookup_address((unsigned long)vaddr, &level)).maddr;
        if (HYPERVISOR_grant_table_op(GNTTABOP_unmap_grant_ref, &op, 1))
                BUG();