160 files changed, 1739 insertions, 1782 deletions

diff --git a/drivers/ata/ahci.c b/drivers/ata/ahci.c
index ef3e5522e1a4..c729e6988bbb 100644
--- a/drivers/ata/ahci.c
+++ b/drivers/ata/ahci.c
@@ -486,6 +486,8 @@ static const struct pci_device_id ahci_pci_tbl[] = {
         { PCI_VDEVICE(INTEL, 0x502b), board_ahci }, /* Tolapai */
         { PCI_VDEVICE(INTEL, 0x3a05), board_ahci }, /* ICH10 */
         { PCI_VDEVICE(INTEL, 0x3a25), board_ahci }, /* ICH10 */
+        { PCI_VDEVICE(INTEL, 0x3b24), board_ahci }, /* PCH RAID */
+        { PCI_VDEVICE(INTEL, 0x3b2b), board_ahci }, /* PCH RAID */
 
         /* JMicron 360/1/3/5/6, match class to avoid IDE function */
         { PCI_VENDOR_ID_JMICRON, PCI_ANY_ID, PCI_ANY_ID, PCI_ANY_ID,
@@ -575,9 +577,9 @@ static const struct pci_device_id ahci_pci_tbl[] = {
         { PCI_VDEVICE(NVIDIA, 0x0bc7), board_ahci },            /* MCP7B */
 
         /* SiS */
-        { PCI_VDEVICE(SI, 0x1184), board_ahci_nopmp },          /* SiS 966 */
-        { PCI_VDEVICE(SI, 0x1185), board_ahci_nopmp },          /* SiS 968 */
-        { PCI_VDEVICE(SI, 0x0186), board_ahci_nopmp },          /* SiS 968 */
+        { PCI_VDEVICE(SI, 0x1184), board_ahci },                /* SiS 966 */
+        { PCI_VDEVICE(SI, 0x1185), board_ahci },                /* SiS 968 */
+        { PCI_VDEVICE(SI, 0x0186), board_ahci },                /* SiS 968 */
 
         /* Marvell */
         { PCI_VDEVICE(MARVELL, 0x6145), board_ahci_mv },        /* 6145 */
diff --git a/drivers/ata/ata_piix.c b/drivers/ata/ata_piix.c
index c294121fd69e..b1d08a8f5003 100644
--- a/drivers/ata/ata_piix.c
+++ b/drivers/ata/ata_piix.c
@@ -275,6 +275,14 @@ static const struct pci_device_id piix_pci_tbl[] = {
         { 0x8086, 0x3a20, PCI_ANY_ID, PCI_ANY_ID, 0, 0, ich8_sata },
         /* SATA Controller IDE (ICH10) */
         { 0x8086, 0x3a26, PCI_ANY_ID, PCI_ANY_ID, 0, 0, ich8_2port_sata },
+        /* SATA Controller IDE (PCH) */
+        { 0x8086, 0x3b20, PCI_ANY_ID, PCI_ANY_ID, 0, 0, ich8_sata },
+        /* SATA Controller IDE (PCH) */
+        { 0x8086, 0x3b26, PCI_ANY_ID, PCI_ANY_ID, 0, 0, ich8_2port_sata },
+        /* SATA Controller IDE (PCH) */
+        { 0x8086, 0x3b2d, PCI_ANY_ID, PCI_ANY_ID, 0, 0, ich8_2port_sata },
+        /* SATA Controller IDE (PCH) */
+        { 0x8086, 0x3b2e, PCI_ANY_ID, PCI_ANY_ID, 0, 0, ich8_sata },
 
         { }     /* terminate list */
 };
diff --git a/drivers/ata/libata-core.c b/drivers/ata/libata-core.c
index 5ba96c5052c8..79e3a8e7a84a 100644
--- a/drivers/ata/libata-core.c
+++ b/drivers/ata/libata-core.c
@@ -104,6 +104,7 @@ struct ata_force_param {
         unsigned long   xfer_mask;
         unsigned int    horkage_on;
         unsigned int    horkage_off;
+        unsigned int    lflags;
 };
 
 struct ata_force_ent {
@@ -196,22 +197,23 @@ void ata_force_cbl(struct ata_port *ap)
 }
 
 /**
- *      ata_force_spd_limit - force SATA spd limit according to libata.force
+ *      ata_force_link_limits - force link limits according to libata.force
  *      @link: ATA link of interest
  *
- *      Force SATA spd limit according to libata.force and whine about
- *      it.  When only the port part is specified (e.g. 1:), the limit
- *      applies to all links connected to both the host link and all
- *      fan-out ports connected via PMP.  If the device part is
- *      specified as 0 (e.g. 1.00:), it specifies the first fan-out
- *      link not the host link.  Device number 15 always points to the
- *      host link whether PMP is attached or not.
+ *      Force link flags and SATA spd limit according to libata.force
+ *      and whine about it.  When only the port part is specified
+ *      (e.g. 1:), the limit applies to all links connected to both
+ *      the host link and all fan-out ports connected via PMP.  If the
+ *      device part is specified as 0 (e.g. 1.00:), it specifies the
+ *      first fan-out link not the host link.  Device number 15 always
+ *      points to the host link whether PMP is attached or not.
  *
  *      LOCKING:
  *      EH context.
  */
-static void ata_force_spd_limit(struct ata_link *link)
+static void ata_force_link_limits(struct ata_link *link)
 {
+        bool did_spd = false;
         int linkno, i;
 
         if (ata_is_host_link(link))
@@ -228,13 +230,22 @@ static void ata_force_spd_limit(struct ata_link *link)
                 if (fe->device != -1 && fe->device != linkno)
                         continue;
 
-                if (!fe->param.spd_limit)
-                        continue;
+                /* only honor the first spd limit */
+                if (!did_spd && fe->param.spd_limit) {
+                        link->hw_sata_spd_limit = (1 << fe->param.spd_limit) - 1;
+                        ata_link_printk(link, KERN_NOTICE,
+                                        "FORCE: PHY spd limit set to %s\n",
+                                        fe->param.name);
+                        did_spd = true;
+                }
 
-                link->hw_sata_spd_limit = (1 << fe->param.spd_limit) - 1;
-                ata_link_printk(link, KERN_NOTICE,
-                        "FORCE: PHY spd limit set to %s\n", fe->param.name);
-                return;
+                /* let lflags stack */
+                if (fe->param.lflags) {
+                        link->flags |= fe->param.lflags;
+                        ata_link_printk(link, KERN_NOTICE,
+                                        "FORCE: link flag 0x%x forced -> 0x%x\n",
+                                        fe->param.lflags, link->flags);
+                }
         }
 }
 
@@ -3277,7 +3288,7 @@ int ata_do_set_mode(struct ata_link *link, struct ata_device **r_failed_dev)
                 dev->dma_mode = ata_xfer_mask2mode(dma_mask);
 
                 found = 1;
-                if (dev->dma_mode != 0xff)
+                if (ata_dma_enabled(dev))
                         used_dma = 1;
         }
         if (!found)
@@ -3302,7 +3313,7 @@ int ata_do_set_mode(struct ata_link *link, struct ata_device **r_failed_dev)
 
         /* step 3: set host DMA timings */
         ata_link_for_each_dev(dev, link) {
-                if (!ata_dev_enabled(dev) || dev->dma_mode == 0xff)
+                if (!ata_dev_enabled(dev) || !ata_dma_enabled(dev))
                         continue;
 
                 dev->xfer_mode = dev->dma_mode;
@@ -5188,19 +5199,18 @@ void ata_link_init(struct ata_port *ap, struct ata_link *link, int pmp)
  */
 int sata_link_init_spd(struct ata_link *link)
 {
-        u32 scontrol;
         u8 spd;
         int rc;
 
-        rc = sata_scr_read(link, SCR_CONTROL, &scontrol);
+        rc = sata_scr_read(link, SCR_CONTROL, &link->saved_scontrol);
         if (rc)
                 return rc;
 
-        spd = (scontrol >> 4) & 0xf;
+        spd = (link->saved_scontrol >> 4) & 0xf;
         if (spd)
                 link->hw_sata_spd_limit &= (1 << spd) - 1;
 
-        ata_force_spd_limit(link);
+        ata_force_link_limits(link);
 
         link->sata_spd_limit = link->hw_sata_spd_limit;
 
@@ -5783,9 +5793,10 @@ static void ata_port_detach(struct ata_port *ap)
         ata_port_wait_eh(ap);
 
         /* EH is now guaranteed to see UNLOADING - EH context belongs
-         * to us.  Disable all existing devices.
+         * to us.  Restore SControl and disable all existing devices.
          */
-        ata_port_for_each_link(link, ap) {
+        __ata_port_for_each_link(link, ap) {
+                sata_scr_write(link, SCR_CONTROL, link->saved_scontrol);
                 ata_link_for_each_dev(dev, link)
                         ata_dev_disable(dev);
         }
@@ -5991,6 +6002,9 @@ static int __init ata_parse_force_one(char **cur,
                 { "udma133",    .xfer_mask      = 1 << (ATA_SHIFT_UDMA + 6) },
                 { "udma/133",   .xfer_mask      = 1 << (ATA_SHIFT_UDMA + 6) },
                 { "udma7",      .xfer_mask      = 1 << (ATA_SHIFT_UDMA + 7) },
+                { "nohrst",     .lflags         = ATA_LFLAG_NO_HRST },
+                { "nosrst",     .lflags         = ATA_LFLAG_NO_SRST },
+                { "norst",      .lflags         = ATA_LFLAG_NO_HRST | ATA_LFLAG_NO_SRST },
         };
         char *start = *cur, *p = *cur;
         char *id, *val, *endp;
diff --git a/drivers/ata/libata-eh.c b/drivers/ata/libata-eh.c
index 58bdc538d229..c1db2f234d2e 100644
--- a/drivers/ata/libata-eh.c
+++ b/drivers/ata/libata-eh.c
@@ -2040,7 +2040,7 @@ static void ata_eh_link_report(struct ata_link *link)
         }
 
         if (ehc->i.serror)
-                ata_port_printk(ap, KERN_ERR,
+                ata_link_printk(link, KERN_ERR,
                   "SError: { %s%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s}\n",
                   ehc->i.serror & SERR_DATA_RECOVERED ? "RecovData " : "",
                   ehc->i.serror & SERR_COMM_RECOVERED ? "RecovComm " : "",
@@ -2171,18 +2171,12 @@ static int ata_do_reset(struct ata_link *link, ata_reset_fn_t reset,
 }
 
 static int ata_eh_followup_srst_needed(struct ata_link *link,
-                                       int rc, int classify,
-                                       const unsigned int *classes)
+                                       int rc, const unsigned int *classes)
 {
         if ((link->flags & ATA_LFLAG_NO_SRST) || ata_link_offline(link))
                 return 0;
-        if (rc == -EAGAIN) {
-                if (classify)
-                        return 1;
-                rc = 0;
-        }
-        if (rc != 0)
-                return 0;
+        if (rc == -EAGAIN)
+                return 1;
         if (sata_pmp_supported(link->ap) && ata_is_host_link(link))
                 return 1;
         return 0;
@@ -2210,6 +2204,10 @@ int ata_eh_reset(struct ata_link *link, int classify,
          */
         while (ata_eh_reset_timeouts[max_tries] != ULONG_MAX)
                 max_tries++;
+        if (link->flags & ATA_LFLAG_NO_HRST)
+                hardreset = NULL;
+        if (link->flags & ATA_LFLAG_NO_SRST)
+                softreset = NULL;
 
         now = jiffies;
         deadline = ata_deadline(ehc->last_reset, ATA_EH_RESET_COOL_DOWN);
@@ -2247,10 +2245,10 @@ int ata_eh_reset(struct ata_link *link, int classify,
         ehc->i.action &= ~ATA_EH_RESET;
         if (hardreset) {
                 reset = hardreset;
-                ehc->i.action = ATA_EH_HARDRESET;
+                ehc->i.action |= ATA_EH_HARDRESET;
         } else if (softreset) {
                 reset = softreset;
-                ehc->i.action = ATA_EH_SOFTRESET;
+                ehc->i.action |= ATA_EH_SOFTRESET;
         }
 
         if (prereset) {
@@ -2305,9 +2303,11 @@ int ata_eh_reset(struct ata_link *link, int classify,
                         ehc->i.flags |= ATA_EHI_DID_SOFTRESET;
 
                 rc = ata_do_reset(link, reset, classes, deadline);
+                if (rc && rc != -EAGAIN)
+                        goto fail;
 
                 if (reset == hardreset &&
-                    ata_eh_followup_srst_needed(link, rc, classify, classes)) {
+                    ata_eh_followup_srst_needed(link, rc, classes)) {
                         /* okay, let's do follow-up softreset */
                         reset = softreset;
 
@@ -2322,10 +2322,6 @@ int ata_eh_reset(struct ata_link *link, int classify,
                         ata_eh_about_to_do(link, NULL, ATA_EH_RESET);
                         rc = ata_do_reset(link, reset, classes, deadline);
                 }
-
-                /* -EAGAIN can happen if we skipped followup SRST */
-                if (rc && rc != -EAGAIN)
-                        goto fail;
         } else {
                 if (verbose)
                         ata_link_printk(link, KERN_INFO, "no reset method "
diff --git a/drivers/ata/pata_acpi.c b/drivers/ata/pata_acpi.c
index fbe605711554..eb919c16a03e 100644
--- a/drivers/ata/pata_acpi.c
+++ b/drivers/ata/pata_acpi.c
@@ -181,7 +181,7 @@ static unsigned int pacpi_qc_issue(struct ata_queued_cmd *qc)
 
         if (adev != acpi->last) {
                 pacpi_set_piomode(ap, adev);
-                if (adev->dma_mode)
+                if (ata_dma_enabled(adev))
                         pacpi_set_dmamode(ap, adev);
                 acpi->last = adev;
         }
diff --git a/drivers/ata/pata_atiixp.c b/drivers/ata/pata_atiixp.c
index d7de7baf58a8..e8a0d99d7356 100644
--- a/drivers/ata/pata_atiixp.c
+++ b/drivers/ata/pata_atiixp.c
@@ -183,7 +183,7 @@ static void atiixp_bmdma_start(struct ata_queued_cmd *qc)
         u16 tmp16;
 
         pci_read_config_word(pdev, ATIIXP_IDE_UDMA_CONTROL, &tmp16);
-        if (adev->dma_mode >= XFER_UDMA_0)
+        if (ata_using_udma(adev))
                 tmp16 |= (1 << dn);
         else
                 tmp16 &= ~(1 << dn);
diff --git a/drivers/ata/pata_cs5530.c b/drivers/ata/pata_cs5530.c
index 744beebaaf49..0c4b271a9d5a 100644
--- a/drivers/ata/pata_cs5530.c
+++ b/drivers/ata/pata_cs5530.c
@@ -149,10 +149,10 @@ static unsigned int cs5530_qc_issue(struct ata_queued_cmd *qc)
         struct ata_device *prev = ap->private_data;
 
         /* See if the DMA settings could be wrong */
-        if (adev->dma_mode != 0 && adev != prev && prev != NULL) {
+        if (ata_dma_enabled(adev) && adev != prev && prev != NULL) {
                 /* Maybe, but do the channels match MWDMA/UDMA ? */
-                if ((adev->dma_mode >= XFER_UDMA_0 && prev->dma_mode < XFER_UDMA_0) ||
-                    (adev->dma_mode < XFER_UDMA_0 && prev->dma_mode >= XFER_UDMA_0))
+                if ((ata_using_udma(adev) && !ata_using_udma(prev)) ||
+                    (ata_using_udma(prev) && !ata_using_udma(adev)))
                         /* Switch the mode bits */
                         cs5530_set_dmamode(ap, adev);
         }
diff --git a/drivers/ata/pata_it821x.c b/drivers/ata/pata_it821x.c
index 27843c70eb9d..0221c9a46769 100644
--- a/drivers/ata/pata_it821x.c
+++ b/drivers/ata/pata_it821x.c
@@ -606,7 +606,7 @@ static void it821x_display_disk(int n, u8 *buf)
 {
         unsigned char id[41];
         int mode = 0;
-        char *mtype;
+        char *mtype = "";
         char mbuf[8];
         char *cbl = "(40 wire cable)";
 
diff --git a/drivers/ata/pata_oldpiix.c b/drivers/ata/pata_oldpiix.c
index e678af383d13..df64f2443001 100644
--- a/drivers/ata/pata_oldpiix.c
+++ b/drivers/ata/pata_oldpiix.c
@@ -198,7 +198,7 @@ static unsigned int oldpiix_qc_issue(struct ata_queued_cmd *qc)
 
         if (adev != ap->private_data) {
                 oldpiix_set_piomode(ap, adev);
-                if (adev->dma_mode)
+                if (ata_dma_enabled(adev))
                         oldpiix_set_dmamode(ap, adev);
         }
         return ata_sff_qc_issue(qc);
diff --git a/drivers/ata/pata_sc1200.c b/drivers/ata/pata_sc1200.c
index cbab397e3db7..0278fd2b8fb1 100644
--- a/drivers/ata/pata_sc1200.c
+++ b/drivers/ata/pata_sc1200.c
@@ -167,10 +167,10 @@ static unsigned int sc1200_qc_issue(struct ata_queued_cmd *qc)
         struct ata_device *prev = ap->private_data;
 
         /* See if the DMA settings could be wrong */
-        if (adev->dma_mode != 0 && adev != prev && prev != NULL) {
+        if (ata_dma_enabled(adev) && adev != prev && prev != NULL) {
                 /* Maybe, but do the channels match MWDMA/UDMA ? */
-                if ((adev->dma_mode >= XFER_UDMA_0 && prev->dma_mode < XFER_UDMA_0) ||
-                    (adev->dma_mode < XFER_UDMA_0 && prev->dma_mode >= XFER_UDMA_0))
+                if ((ata_using_udma(adev) && !ata_using_udma(prev)) ||
+                    (ata_using_udma(prev) && !ata_using_udma(adev)))
                         /* Switch the mode bits */
                         sc1200_set_dmamode(ap, adev);
         }
diff --git a/drivers/ata/pata_via.c b/drivers/ata/pata_via.c
index 57d951b11f2d..8fdb2ce73210 100644
--- a/drivers/ata/pata_via.c
+++ b/drivers/ata/pata_via.c
@@ -324,62 +324,26 @@ static void via_set_dmamode(struct ata_port *ap, struct ata_device *adev)
 }
 
 /**
- *      via_ata_sff_tf_load - send taskfile registers to host controller
+ *      via_tf_load - send taskfile registers to host controller
  *      @ap: Port to which output is sent
  *      @tf: ATA taskfile register set
  *
  *      Outputs ATA taskfile to standard ATA host controller.
  *
  *      Note: This is to fix the internal bug of via chipsets, which
- *  will reset the device register after changing the IEN bit on
- *  ctl register
+ *      will reset the device register after changing the IEN bit on
+ *      ctl register
  */
-static void via_ata_tf_load(struct ata_port *ap, const struct ata_taskfile *tf)
+static void via_tf_load(struct ata_port *ap, const struct ata_taskfile *tf)
 {
-        struct ata_ioports *ioaddr = &ap->ioaddr;
-        unsigned int is_addr = tf->flags & ATA_TFLAG_ISADDR;
-
-        if (tf->ctl != ap->last_ctl) {
-                iowrite8(tf->ctl, ioaddr->ctl_addr);
-                iowrite8(tf->device, ioaddr->device_addr);
-                ap->last_ctl = tf->ctl;
-                ata_wait_idle(ap);
-        }
-
-        if (is_addr && (tf->flags & ATA_TFLAG_LBA48)) {
-                iowrite8(tf->hob_feature, ioaddr->feature_addr);
-                iowrite8(tf->hob_nsect, ioaddr->nsect_addr);
-                iowrite8(tf->hob_lbal, ioaddr->lbal_addr);
-                iowrite8(tf->hob_lbam, ioaddr->lbam_addr);
-                iowrite8(tf->hob_lbah, ioaddr->lbah_addr);
-                VPRINTK("hob: feat 0x%X nsect 0x%X, lba 0x%X 0x%X 0x%X\n",
-                        tf->hob_feature,
-                        tf->hob_nsect,
-                        tf->hob_lbal,
-                        tf->hob_lbam,
-                        tf->hob_lbah);
-        }
+        struct ata_taskfile tmp_tf;
 
-        if (is_addr) {
-                iowrite8(tf->feature, ioaddr->feature_addr);
-                iowrite8(tf->nsect, ioaddr->nsect_addr);
-                iowrite8(tf->lbal, ioaddr->lbal_addr);
-                iowrite8(tf->lbam, ioaddr->lbam_addr);
-                iowrite8(tf->lbah, ioaddr->lbah_addr);
-                VPRINTK("feat 0x%X nsect 0x%X lba 0x%X 0x%X 0x%X\n",
-                        tf->feature,
-                        tf->nsect,
-                        tf->lbal,
-                        tf->lbam,
-                        tf->lbah);
+        if (ap->ctl != ap->last_ctl && !(tf->flags & ATA_TFLAG_DEVICE)) {
+                tmp_tf = *tf;
+                tmp_tf.flags |= ATA_TFLAG_DEVICE;
+                tf = &tmp_tf;
         }
-
-        if (tf->flags & ATA_TFLAG_DEVICE) {
-                iowrite8(tf->device, ioaddr->device_addr);
-                VPRINTK("device 0x%X\n", tf->device);
-        }
-
-        ata_wait_idle(ap);
+        ata_sff_tf_load(ap, tf);
 }
 
 static struct scsi_host_template via_sht = {
@@ -392,13 +356,12 @@ static struct ata_port_operations via_port_ops = {
         .set_piomode    = via_set_piomode,
         .set_dmamode    = via_set_dmamode,
         .prereset       = via_pre_reset,
-        .sff_tf_load = via_ata_tf_load,
+        .sff_tf_load    = via_tf_load,
 };
 
 static struct ata_port_operations via_port_ops_noirq = {
         .inherits       = &via_port_ops,
         .sff_data_xfer  = ata_sff_data_xfer_noirq,
-        .sff_tf_load = via_ata_tf_load,
 };
 
 /**
diff --git a/drivers/ata/sata_mv.c b/drivers/ata/sata_mv.c
index ad169ffbc4cb..13c1d2af18ac 100644
--- a/drivers/ata/sata_mv.c
+++ b/drivers/ata/sata_mv.c
@@ -1134,30 +1134,16 @@ static int mv_qc_defer(struct ata_queued_cmd *qc)
         if (ap->nr_active_links == 0)
                 return 0;
 
-        if (pp->pp_flags & MV_PP_FLAG_EDMA_EN) {
-                /*
-                 * The port is operating in host queuing mode (EDMA).
-                 * It can accomodate a new qc if the qc protocol
-                 * is compatible with the current host queue mode.
-                 */
-                if (pp->pp_flags & MV_PP_FLAG_NCQ_EN) {
-                        /*
-                         * The host queue (EDMA) is in NCQ mode.
-                         * If the new qc is also an NCQ command,
-                         * then allow the new qc.
-                         */
-                        if (qc->tf.protocol == ATA_PROT_NCQ)
-                                return 0;
-                } else {
-                        /*
-                         * The host queue (EDMA) is in non-NCQ, DMA mode.
-                         * If the new qc is also a non-NCQ, DMA command,
-                         * then allow the new qc.
-                         */
-                        if (qc->tf.protocol == ATA_PROT_DMA)
-                                return 0;
-                }
-        }
+        /*
+         * The port is operating in host queuing mode (EDMA) with NCQ
+         * enabled, allow multiple NCQ commands.  EDMA also allows
+         * queueing multiple DMA commands but libata core currently
+         * doesn't allow it.
+         */
+        if ((pp->pp_flags & MV_PP_FLAG_EDMA_EN) &&
+            (pp->pp_flags & MV_PP_FLAG_NCQ_EN) && ata_is_ncq(qc->tf.protocol))
+                return 0;
+
         return ATA_DEFER_PORT;
 }
 
@@ -3036,7 +3022,8 @@ static int mv_chip_id(struct ata_host *host, unsigned int board_idx)
                 break;
         case chip_soc:
                 hpriv->ops = &mv_soc_ops;
-                hp_flags |= MV_HP_FLAG_SOC | MV_HP_ERRATA_60X1C0;
+                hp_flags |= MV_HP_FLAG_SOC | MV_HP_GEN_IIE |
+                        MV_HP_ERRATA_60X1C0;
                 break;
 
         default:
diff --git a/drivers/atm/adummy.c b/drivers/atm/adummy.c
index 2ebd07f2ef81..5effec6f5458 100644
--- a/drivers/atm/adummy.c
+++ b/drivers/atm/adummy.c
@@ -3,7 +3,6 @@
  */
 
 #include <linux/module.h>
-#include <linux/version.h>
 #include <linux/kernel.h>
 #include <linux/skbuff.h>
 #include <linux/errno.h>
diff --git a/drivers/base/class.c b/drivers/base/class.c
index 5667c2f02c51..cc5e28c8885c 100644
--- a/drivers/base/class.c
+++ b/drivers/base/class.c
@@ -295,6 +295,12 @@ int class_for_each_device(struct class *class, struct device *start,
 
         if (!class)
                 return -EINVAL;
+        if (!class->p) {
+                WARN(1, "%s called for class '%s' before it was initialized",
+                     __func__, class->name);
+                return -EINVAL;
+        }
+
         mutex_lock(&class->p->class_mutex);
         list_for_each_entry(dev, &class->p->class_devices, node) {
                 if (start) {
@@ -344,6 +350,11 @@ struct device *class_find_device(struct class *class, struct device *start,
 
         if (!class)
                 return NULL;
+        if (!class->p) {
+                WARN(1, "%s called for class '%s' before it was initialized",
+                     __func__, class->name);
+                return NULL;
+        }
 
         mutex_lock(&class->p->class_mutex);
         list_for_each_entry(dev, &class->p->class_devices, node) {
diff --git a/drivers/base/core.c b/drivers/base/core.c
index 068aa1c9538c..d021c98605b3 100644
--- a/drivers/base/core.c
+++ b/drivers/base/core.c
@@ -53,7 +53,7 @@ static inline int device_is_not_partition(struct device *dev)
  * it is attached to.  If it is not attached to a bus either, an empty
  * string will be returned.
  */
-const char *dev_driver_string(struct device *dev)
+const char *dev_driver_string(const struct device *dev)
 {
         return dev->driver ? dev->driver->name :
                         (dev->bus ? dev->bus->name :
@@ -541,6 +541,7 @@ void device_initialize(struct device *dev)
         spin_lock_init(&dev->devres_lock);
         INIT_LIST_HEAD(&dev->devres_head);
         device_init_wakeup(dev, 0);
+        device_pm_init(dev);
         set_dev_node(dev, -1);
 }
 
@@ -843,13 +844,19 @@ int device_add(struct device *dev)
 {
         struct device *parent = NULL;
         struct class_interface *class_intf;
-        int error;
+        int error = -EINVAL;
 
         dev = get_device(dev);
-        if (!dev || !strlen(dev->bus_id)) {
-                error = -EINVAL;
-                goto Done;
-        }
+        if (!dev)
+                goto done;
+
+        /* Temporarily support init_name if it is set.
+         * It will override bus_id for now */
+        if (dev->init_name)
+                dev_set_name(dev, "%s", dev->init_name);
+
+        if (!strlen(dev->bus_id))
+                goto done;
 
         pr_debug("device: '%s': %s\n", dev->bus_id, __func__);
 
@@ -897,9 +904,10 @@ int device_add(struct device *dev)
         error = bus_add_device(dev);
         if (error)
                 goto BusError;
-        error = device_pm_add(dev);
+        error = dpm_sysfs_add(dev);
         if (error)
-                goto PMError;
+                goto DPMError;
+        device_pm_add(dev);
         kobject_uevent(&dev->kobj, KOBJ_ADD);
         bus_attach_device(dev);
         if (parent)
@@ -917,10 +925,10 @@ int device_add(struct device *dev)
                                 class_intf->add_dev(dev, class_intf);
                 mutex_unlock(&dev->class->p->class_mutex);
         }
- Done:
+done:
         put_device(dev);
         return error;
- PMError:
+ DPMError:
         bus_remove_device(dev);
  BusError:
         if (dev->bus)
@@ -944,7 +952,7 @@ int device_add(struct device *dev)
         cleanup_device_parent(dev);
         if (parent)
                 put_device(parent);
-        goto Done;
+        goto done;
 }
 
 /**
@@ -1007,6 +1015,7 @@ void device_del(struct device *dev)
         struct class_interface *class_intf;
 
         device_pm_remove(dev);
+        dpm_sysfs_remove(dev);
         if (parent)
                 klist_del(&dev->knode_parent);
         if (MAJOR(dev->devt)) {
diff --git a/drivers/base/driver.c b/drivers/base/driver.c
index 2ef5acf4368b..1e2bda780e48 100644
--- a/drivers/base/driver.c
+++ b/drivers/base/driver.c
@@ -16,9 +16,6 @@
 #include <linux/string.h>
 #include "base.h"
 
-#define to_dev(node) container_of(node, struct device, driver_list)
-
-
 static struct device *next_device(struct klist_iter *i)
 {
         struct klist_node *n = klist_next(i);
diff --git a/drivers/base/power/main.c b/drivers/base/power/main.c
index 3250c5257b74..273a944d4040 100644
--- a/drivers/base/power/main.c
+++ b/drivers/base/power/main.c
@@ -67,20 +67,16 @@ void device_pm_unlock(void)
  *      device_pm_add - add a device to the list of active devices
  *      @dev:   Device to be added to the list
  */
-int device_pm_add(struct device *dev)
+void device_pm_add(struct device *dev)
 {
-        int error;
-
         pr_debug("PM: Adding info for %s:%s\n",
                  dev->bus ? dev->bus->name : "No Bus",
                  kobject_name(&dev->kobj));
         mutex_lock(&dpm_list_mtx);
         if (dev->parent) {
-                if (dev->parent->power.status >= DPM_SUSPENDING) {
-                        dev_warn(dev, "parent %s is sleeping, will not add\n",
+                if (dev->parent->power.status >= DPM_SUSPENDING)
+                        dev_warn(dev, "parent %s should not be sleeping\n",
                                 dev->parent->bus_id);
-                        WARN_ON(true);
-                }
         } else if (transition_started) {
                 /*
                  * We refuse to register parentless devices while a PM
@@ -89,13 +85,9 @@ int device_pm_add(struct device *dev)
                  */
                 WARN_ON(true);
         }
-        error = dpm_sysfs_add(dev);
-        if (!error) {
-                dev->power.status = DPM_ON;
-                list_add_tail(&dev->power.entry, &dpm_list);
-        }
+
+        list_add_tail(&dev->power.entry, &dpm_list);
         mutex_unlock(&dpm_list_mtx);
-        return error;
 }
 
 /**
@@ -110,7 +102,6 @@ void device_pm_remove(struct device *dev)
                  dev->bus ? dev->bus->name : "No Bus",
                  kobject_name(&dev->kobj));
         mutex_lock(&dpm_list_mtx);
-        dpm_sysfs_remove(dev);
         list_del_init(&dev->power.entry);
         mutex_unlock(&dpm_list_mtx);
 }
diff --git a/drivers/base/power/power.h b/drivers/base/power/power.h
index a3252c0e2887..41f51fae042f 100644
--- a/drivers/base/power/power.h
+++ b/drivers/base/power/power.h
@@ -1,3 +1,8 @@
+static inline void device_pm_init(struct device *dev)
+{
+        dev->power.status = DPM_ON;
+}
+
 #ifdef CONFIG_PM_SLEEP
 
 /*
@@ -11,12 +16,12 @@ static inline struct device *to_device(struct list_head *entry)
         return container_of(entry, struct device, power.entry);
 }
 
-extern int device_pm_add(struct device *);
+extern void device_pm_add(struct device *);
 extern void device_pm_remove(struct device *);
 
 #else /* CONFIG_PM_SLEEP */
 
-static inline int device_pm_add(struct device *dev) { return 0; }
+static inline void device_pm_add(struct device *dev) {}
 static inline void device_pm_remove(struct device *dev) {}
 
 #endif
diff --git a/drivers/block/pktcdvd.c b/drivers/block/pktcdvd.c
index 158eed4d5161..29b7a648cc6e 100644
--- a/drivers/block/pktcdvd.c
+++ b/drivers/block/pktcdvd.c
@@ -49,7 +49,6 @@
 #include <linux/types.h>
 #include <linux/kernel.h>
 #include <linux/kthread.h>
-#include <linux/smp_lock.h>
 #include <linux/errno.h>
 #include <linux/spinlock.h>
 #include <linux/file.h>
@@ -2798,14 +2797,9 @@ out_mem:
         return ret;
 }
 
-static long pkt_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
+static int pkt_ioctl(struct inode *inode, struct file *file, unsigned int cmd, unsigned long arg)
 {
-        struct inode *inode = file->f_path.dentry->d_inode;
-        struct pktcdvd_device *pd;
-        long ret;
-
-        lock_kernel();
-        pd = inode->i_bdev->bd_disk->private_data;
+        struct pktcdvd_device *pd = inode->i_bdev->bd_disk->private_data;
 
         VPRINTK("pkt_ioctl: cmd %x, dev %d:%d\n", cmd, imajor(inode), iminor(inode));
 
@@ -2818,8 +2812,7 @@ static long pkt_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
         case CDROM_LAST_WRITTEN:
         case CDROM_SEND_PACKET:
         case SCSI_IOCTL_SEND_COMMAND:
-                ret = blkdev_ioctl(pd->bdev->bd_inode, file, cmd, arg);
-                break;
+                return blkdev_ioctl(pd->bdev->bd_inode, file, cmd, arg);
 
         case CDROMEJECT:
                 /*
@@ -2828,15 +2821,14 @@ static long pkt_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
                  */
                 if (pd->refcnt == 1)
                         pkt_lock_door(pd, 0);
-                ret = blkdev_ioctl(pd->bdev->bd_inode, file, cmd, arg);
-                break;
+                return blkdev_ioctl(pd->bdev->bd_inode, file, cmd, arg);
 
         default:
                 VPRINTK(DRIVER_NAME": Unknown ioctl for %s (%x)\n", pd->name, cmd);
-                ret = -ENOTTY;
+                return -ENOTTY;
         }
-        unlock_kernel();
-        return ret;
+
+        return 0;
 }
 
 static int pkt_media_changed(struct gendisk *disk)
@@ -2858,7 +2850,7 @@ static struct block_device_operations pktcdvd_ops = {
         .owner =                THIS_MODULE,
         .open =                 pkt_open,
         .release =              pkt_close,
-        .unlocked_ioctl =       pkt_ioctl,
+        .ioctl =                pkt_ioctl,
         .media_changed =        pkt_media_changed,
 };
 
@@ -3023,8 +3015,7 @@ static void pkt_get_status(struct pkt_ctrl_command *ctrl_cmd)
         mutex_unlock(&ctl_mutex);
 }
 
-static long pkt_ctl_ioctl(struct file *file, unsigned int cmd,
-                                                unsigned long arg)
+static int pkt_ctl_ioctl(struct inode *inode, struct file *file, unsigned int cmd, unsigned long arg)
 {
         void __user *argp = (void __user *)arg;
         struct pkt_ctrl_command ctrl_cmd;
@@ -3041,22 +3032,16 @@ static long pkt_ctl_ioctl(struct file *file, unsigned int cmd,
         case PKT_CTRL_CMD_SETUP:
                 if (!capable(CAP_SYS_ADMIN))
                         return -EPERM;
-                lock_kernel();
                 ret = pkt_setup_dev(new_decode_dev(ctrl_cmd.dev), &pkt_dev);
                 ctrl_cmd.pkt_dev = new_encode_dev(pkt_dev);
-                unlock_kernel();
                 break;
         case PKT_CTRL_CMD_TEARDOWN:
                 if (!capable(CAP_SYS_ADMIN))
                         return -EPERM;
-                lock_kernel();
                 ret = pkt_remove_dev(new_decode_dev(ctrl_cmd.pkt_dev));
-                unlock_kernel();
                 break;
         case PKT_CTRL_CMD_STATUS:
-                lock_kernel();
                 pkt_get_status(&ctrl_cmd);
-                unlock_kernel();
                 break;
         default:
                 return -ENOTTY;
@@ -3069,7 +3054,7 @@ static long pkt_ctl_ioctl(struct file *file, unsigned int cmd,
 
 
 static const struct file_operations pkt_ctl_fops = {
-        .unlocked_ioctl  = pkt_ctl_ioctl,
+        .ioctl   = pkt_ctl_ioctl,
         .owner   = THIS_MODULE,
 };
 
diff --git a/drivers/char/tty_io.c b/drivers/char/tty_io.c
index a27160ba21d7..daeb8f766971 100644
--- a/drivers/char/tty_io.c
+++ b/drivers/char/tty_io.c
@@ -2498,7 +2498,7 @@ static int tiocgwinsz(struct tty_struct *tty, struct winsize __user *arg)
 /**
  *      tty_do_resize           -       resize event
  *      @tty: tty being resized
- *      @real_tty: real tty (if using a pty/tty pair)
+ *      @real_tty: real tty (not the same as tty if using a pty/tty pair)
  *      @rows: rows (character)
  *      @cols: cols (character)
  *
@@ -2512,7 +2512,8 @@ int tty_do_resize(struct tty_struct *tty, struct tty_struct *real_tty,
         struct pid *pgrp, *rpgrp;
         unsigned long flags;
 
-        mutex_lock(&tty->termios_mutex);
+        /* For a PTY we need to lock the tty side */
+        mutex_lock(&real_tty->termios_mutex);
         if (!memcmp(ws, &tty->winsize, sizeof(*ws)))
                 goto done;
         /* Get the PID values and reference them so we can
@@ -2533,7 +2534,7 @@ int tty_do_resize(struct tty_struct *tty, struct tty_struct *real_tty,
         tty->winsize = *ws;
         real_tty->winsize = *ws;
 done:
-        mutex_unlock(&tty->termios_mutex);
+        mutex_unlock(&real_tty->termios_mutex);
         return 0;
 }
 
diff --git a/drivers/char/tty_ioctl.c b/drivers/char/tty_ioctl.c
index ea9fc5d03b99..bf34e4597421 100644
--- a/drivers/char/tty_ioctl.c
+++ b/drivers/char/tty_ioctl.c
@@ -937,12 +937,14 @@ int tty_mode_ioctl(struct tty_struct *tty, struct file *file,
                         return 0;
 #endif
         case TIOCGSOFTCAR:
-                return put_user(C_CLOCAL(tty) ? 1 : 0,
+                /* FIXME: for correctness we may need to take the termios
+                   lock here - review */
+                return put_user(C_CLOCAL(real_tty) ? 1 : 0,
                                                 (int __user *)arg);
         case TIOCSSOFTCAR:
                 if (get_user(arg, (unsigned int __user *) arg))
                         return -EFAULT;
-                return tty_change_softcar(tty, arg);
+                return tty_change_softcar(real_tty, arg);
         default:
                 return -ENOIOCTLCMD;
         }
diff --git a/drivers/char/xilinx_hwicap/buffer_icap.h b/drivers/char/xilinx_hwicap/buffer_icap.h
index c5b1840906b2..8b0252bf06e2 100644
--- a/drivers/char/xilinx_hwicap/buffer_icap.h
+++ b/drivers/char/xilinx_hwicap/buffer_icap.h
@@ -38,7 +38,6 @@
 
 #include <linux/types.h>
 #include <linux/cdev.h>
-#include <linux/version.h>
 #include <linux/platform_device.h>
 
 #include <asm/io.h>
diff --git a/drivers/char/xilinx_hwicap/fifo_icap.h b/drivers/char/xilinx_hwicap/fifo_icap.h
index ffabd3ba2bd8..62bda453c90b 100644
--- a/drivers/char/xilinx_hwicap/fifo_icap.h
+++ b/drivers/char/xilinx_hwicap/fifo_icap.h
@@ -38,7 +38,6 @@
 
 #include <linux/types.h>
 #include <linux/cdev.h>
-#include <linux/version.h>
 #include <linux/platform_device.h>
 
 #include <asm/io.h>
diff --git a/drivers/char/xilinx_hwicap/xilinx_hwicap.h b/drivers/char/xilinx_hwicap/xilinx_hwicap.h
index 1f9c8b082dbe..24d0d9b938fb 100644
--- a/drivers/char/xilinx_hwicap/xilinx_hwicap.h
+++ b/drivers/char/xilinx_hwicap/xilinx_hwicap.h
@@ -38,7 +38,6 @@
 
 #include <linux/types.h>
 #include <linux/cdev.h>
-#include <linux/version.h>
 #include <linux/platform_device.h>
 
 #include <asm/io.h>
diff --git a/drivers/edac/edac_core.h b/drivers/edac/edac_core.h
index b27b13c5eb5a..4b55ec607a88 100644
--- a/drivers/edac/edac_core.h
+++ b/drivers/edac/edac_core.h
@@ -34,7 +34,6 @@
 #include <linux/platform_device.h>
 #include <linux/sysdev.h>
 #include <linux/workqueue.h>
-#include <linux/version.h>
 
 #define EDAC_MC_LABEL_LEN       31
 #define EDAC_DEVICE_NAME_LEN    31
diff --git a/drivers/gpu/drm/drm_irq.c b/drivers/gpu/drm/drm_irq.c
index 089c015c01d1..53f0e5af1cc8 100644
--- a/drivers/gpu/drm/drm_irq.c
+++ b/drivers/gpu/drm/drm_irq.c
@@ -400,27 +400,31 @@ static void drm_locked_tasklet_func(unsigned long data)
 {
         struct drm_device *dev = (struct drm_device *)data;
         unsigned long irqflags;
-
+        void (*tasklet_func)(struct drm_device *);
+        
         spin_lock_irqsave(&dev->tasklet_lock, irqflags);
+        tasklet_func = dev->locked_tasklet_func;
+        spin_unlock_irqrestore(&dev->tasklet_lock, irqflags);
 
-        if (!dev->locked_tasklet_func ||
+        if (!tasklet_func ||
             !drm_lock_take(&dev->lock,
                            DRM_KERNEL_CONTEXT)) {
-                spin_unlock_irqrestore(&dev->tasklet_lock, irqflags);
                 return;
         }
 
         dev->lock.lock_time = jiffies;
         atomic_inc(&dev->counts[_DRM_STAT_LOCKS]);
 
-        dev->locked_tasklet_func(dev);
+        spin_lock_irqsave(&dev->tasklet_lock, irqflags);
+        tasklet_func = dev->locked_tasklet_func;
+        dev->locked_tasklet_func = NULL;
+        spin_unlock_irqrestore(&dev->tasklet_lock, irqflags);
+        
+        if (tasklet_func != NULL)
+                tasklet_func(dev);
 
         drm_lock_free(&dev->lock,
                       DRM_KERNEL_CONTEXT);
-
-        dev->locked_tasklet_func = NULL;
-
-        spin_unlock_irqrestore(&dev->tasklet_lock, irqflags);
 }
 
 /**
diff --git a/drivers/gpu/drm/drm_lock.c b/drivers/gpu/drm/drm_lock.c
index 0998723cde79..a4caf95485d7 100644
--- a/drivers/gpu/drm/drm_lock.c
+++ b/drivers/gpu/drm/drm_lock.c
@@ -105,14 +105,19 @@ int drm_lock(struct drm_device *dev, void *data, struct drm_file *file_priv)
                   ret ? "interrupted" : "has lock");
         if (ret) return ret;
 
-        sigemptyset(&dev->sigmask);
-        sigaddset(&dev->sigmask, SIGSTOP);
-        sigaddset(&dev->sigmask, SIGTSTP);
-        sigaddset(&dev->sigmask, SIGTTIN);
-        sigaddset(&dev->sigmask, SIGTTOU);
-        dev->sigdata.context = lock->context;
-        dev->sigdata.lock = dev->lock.hw_lock;
-        block_all_signals(drm_notifier, &dev->sigdata, &dev->sigmask);
+        /* don't set the block all signals on the master process for now 
+         * really probably not the correct answer but lets us debug xkb
+         * xserver for now */
+        if (!file_priv->master) {
+                sigemptyset(&dev->sigmask);
+                sigaddset(&dev->sigmask, SIGSTOP);
+                sigaddset(&dev->sigmask, SIGTSTP);
+                sigaddset(&dev->sigmask, SIGTTIN);
+                sigaddset(&dev->sigmask, SIGTTOU);
+                dev->sigdata.context = lock->context;
+                dev->sigdata.lock = dev->lock.hw_lock;
+                block_all_signals(drm_notifier, &dev->sigdata, &dev->sigmask);
+        }
 
         if (dev->driver->dma_ready && (lock->flags & _DRM_LOCK_READY))
                 dev->driver->dma_ready(dev);
@@ -150,6 +155,7 @@ int drm_unlock(struct drm_device *dev, void *data, struct drm_file *file_priv)
 {
         struct drm_lock *lock = data;
         unsigned long irqflags;
+        void (*tasklet_func)(struct drm_device *);
 
         if (lock->context == DRM_KERNEL_CONTEXT) {
                 DRM_ERROR("Process %d using kernel context %d\n",
@@ -158,14 +164,11 @@ int drm_unlock(struct drm_device *dev, void *data, struct drm_file *file_priv)
         }
 
         spin_lock_irqsave(&dev->tasklet_lock, irqflags);
-
-        if (dev->locked_tasklet_func) {
-                dev->locked_tasklet_func(dev);
-
-                dev->locked_tasklet_func = NULL;
-        }
-
+        tasklet_func = dev->locked_tasklet_func;
+        dev->locked_tasklet_func = NULL;
         spin_unlock_irqrestore(&dev->tasklet_lock, irqflags);
+        if (tasklet_func != NULL)
+                tasklet_func(dev);
 
         atomic_inc(&dev->counts[_DRM_STAT_UNLOCKS]);
 
diff --git a/drivers/gpu/drm/radeon/r300_cmdbuf.c b/drivers/gpu/drm/radeon/r300_cmdbuf.c
index 702df45320f7..4b27d9abb7bc 100644
--- a/drivers/gpu/drm/radeon/r300_cmdbuf.c
+++ b/drivers/gpu/drm/radeon/r300_cmdbuf.c
@@ -77,6 +77,9 @@ static int r300_emit_cliprects(drm_radeon_private_t *dev_priv,
                                 return -EFAULT;
                         }
 
+                        box.x2--; /* Hardware expects inclusive bottom-right corner */
+                        box.y2--;
+
                         if ((dev_priv->flags & RADEON_FAMILY_MASK) >= CHIP_RV515) {
                                 box.x1 = (box.x1) &
                                         R300_CLIPRECT_MASK;
@@ -95,8 +98,8 @@ static int r300_emit_cliprects(drm_radeon_private_t *dev_priv,
                                         R300_CLIPRECT_MASK;
                                 box.y2 = (box.y2 + R300_CLIPRECT_OFFSET) &
                                         R300_CLIPRECT_MASK;
-
                         }
+
                         OUT_RING((box.x1 << R300_CLIPRECT_X_SHIFT) |
                                  (box.y1 << R300_CLIPRECT_Y_SHIFT));
                         OUT_RING((box.x2 << R300_CLIPRECT_X_SHIFT) |
@@ -136,6 +139,18 @@ static int r300_emit_cliprects(drm_radeon_private_t *dev_priv,
                 ADVANCE_RING();
         }
 
+        /* flus cache and wait idle clean after cliprect change */
+        BEGIN_RING(2);
+        OUT_RING(CP_PACKET0(R300_RB3D_DSTCACHE_CTLSTAT, 0));
+        OUT_RING(R300_RB3D_DC_FLUSH);
+        ADVANCE_RING();
+        BEGIN_RING(2);
+        OUT_RING(CP_PACKET0(RADEON_WAIT_UNTIL, 0));
+        OUT_RING(RADEON_WAIT_3D_IDLECLEAN);
+        ADVANCE_RING();
+        /* set flush flag */
+        dev_priv->track_flush |= RADEON_FLUSH_EMITED;
+
         return 0;
 }
 
@@ -166,13 +181,13 @@ void r300_init_reg_flags(struct drm_device *dev)
         ADD_RANGE(0x21DC, 1);
         ADD_RANGE(R300_VAP_UNKNOWN_221C, 1);
         ADD_RANGE(R300_VAP_CLIP_X_0, 4);
-        ADD_RANGE(R300_VAP_PVS_WAITIDLE, 1);
+        ADD_RANGE(R300_VAP_PVS_STATE_FLUSH_REG, 1);
         ADD_RANGE(R300_VAP_UNKNOWN_2288, 1);
         ADD_RANGE(R300_VAP_OUTPUT_VTX_FMT_0, 2);
         ADD_RANGE(R300_VAP_PVS_CNTL_1, 3);
         ADD_RANGE(R300_GB_ENABLE, 1);
         ADD_RANGE(R300_GB_MSPOS0, 5);
-        ADD_RANGE(R300_TX_CNTL, 1);
+        ADD_RANGE(R300_TX_INVALTAGS, 1);
         ADD_RANGE(R300_TX_ENABLE, 1);
         ADD_RANGE(0x4200, 4);
         ADD_RANGE(0x4214, 1);
@@ -388,15 +403,28 @@ static __inline__ int r300_emit_vpu(drm_radeon_private_t *dev_priv,
         if (sz * 16 > cmdbuf->bufsz)
                 return -EINVAL;
 
-        BEGIN_RING(5 + sz * 4);
-        /* Wait for VAP to come to senses.. */
-        /* there is no need to emit it multiple times, (only once before VAP is programmed,
-           but this optimization is for later */
-        OUT_RING_REG(R300_VAP_PVS_WAITIDLE, 0);
+        /* VAP is very sensitive so we purge cache before we program it
+         * and we also flush its state before & after */
+        BEGIN_RING(6);
+        OUT_RING(CP_PACKET0(R300_RB3D_DSTCACHE_CTLSTAT, 0));
+        OUT_RING(R300_RB3D_DC_FLUSH);
+        OUT_RING(CP_PACKET0(RADEON_WAIT_UNTIL, 0));
+        OUT_RING(RADEON_WAIT_3D_IDLECLEAN);
+        OUT_RING(CP_PACKET0(R300_VAP_PVS_STATE_FLUSH_REG, 0));
+        OUT_RING(0);
+        ADVANCE_RING();
+        /* set flush flag */
+        dev_priv->track_flush |= RADEON_FLUSH_EMITED;
+
+        BEGIN_RING(3 + sz * 4);
         OUT_RING_REG(R300_VAP_PVS_UPLOAD_ADDRESS, addr);
         OUT_RING(CP_PACKET0_TABLE(R300_VAP_PVS_UPLOAD_DATA, sz * 4 - 1));
         OUT_RING_TABLE((int *)cmdbuf->buf, sz * 4);
+        ADVANCE_RING();
 
+        BEGIN_RING(2);
+        OUT_RING(CP_PACKET0(R300_VAP_PVS_STATE_FLUSH_REG, 0));
+        OUT_RING(0);
         ADVANCE_RING();
 
         cmdbuf->buf += sz * 16;
@@ -424,6 +452,15 @@ static __inline__ int r300_emit_clear(drm_radeon_private_t *dev_priv,
         OUT_RING_TABLE((int *)cmdbuf->buf, 8);
         ADVANCE_RING();
 
+        BEGIN_RING(4);
+        OUT_RING(CP_PACKET0(R300_RB3D_DSTCACHE_CTLSTAT, 0));
+        OUT_RING(R300_RB3D_DC_FLUSH);
+        OUT_RING(CP_PACKET0(RADEON_WAIT_UNTIL, 0));
+        OUT_RING(RADEON_WAIT_3D_IDLECLEAN);
+        ADVANCE_RING();
+        /* set flush flag */
+        dev_priv->track_flush |= RADEON_FLUSH_EMITED;
+
         cmdbuf->buf += 8 * 4;
         cmdbuf->bufsz -= 8 * 4;
 
@@ -543,22 +580,23 @@ static __inline__ int r300_emit_bitblt_multi(drm_radeon_private_t *dev_priv,
         return 0;
 }
 
-static __inline__ int r300_emit_indx_buffer(drm_radeon_private_t *dev_priv,
-                                             drm_radeon_kcmd_buffer_t *cmdbuf)
+static __inline__ int r300_emit_draw_indx_2(drm_radeon_private_t *dev_priv,
+                                            drm_radeon_kcmd_buffer_t *cmdbuf)
 {
-        u32 *cmd = (u32 *) cmdbuf->buf;
-        int count, ret;
+        u32 *cmd;
+        int count;
+        int expected_count;
         RING_LOCALS;
 
-        count=(cmd[0]>>16) & 0x3fff;
+        cmd = (u32 *) cmdbuf->buf;
+        count = (cmd[0]>>16) & 0x3fff;
+        expected_count = cmd[1] >> 16;
+        if (!(cmd[1] & R300_VAP_VF_CNTL__INDEX_SIZE_32bit))
+                expected_count = (expected_count+1)/2;
 
-        if ((cmd[1] & 0x8000ffff) != 0x80000810) {
-                DRM_ERROR("Invalid indx_buffer reg address %08X\n", cmd[1]);
-                return -EINVAL;
-        }
-        ret = !radeon_check_offset(dev_priv, cmd[2]);
-        if (ret) {
-                DRM_ERROR("Invalid indx_buffer offset is %08X\n", cmd[2]);
+        if (count && count != expected_count) {
+                DRM_ERROR("3D_DRAW_INDX_2: packet size %i, expected %i\n",
+                        count, expected_count);
                 return -EINVAL;
         }
 
@@ -570,6 +608,50 @@ static __inline__ int r300_emit_indx_buffer(drm_radeon_private_t *dev_priv,
         cmdbuf->buf += (count+2)*4;
         cmdbuf->bufsz -= (count+2)*4;
 
+        if (!count) {
+                drm_r300_cmd_header_t header;
+
+                if (cmdbuf->bufsz < 4*4 + sizeof(header)) {
+                        DRM_ERROR("3D_DRAW_INDX_2: expect subsequent INDX_BUFFER, but stream is too short.\n");
+                        return -EINVAL;
+                }
+
+                header.u = *(unsigned int *)cmdbuf->buf;
+
+                cmdbuf->buf += sizeof(header);
+                cmdbuf->bufsz -= sizeof(header);
+                cmd = (u32 *) cmdbuf->buf;
+
+                if (header.header.cmd_type != R300_CMD_PACKET3 ||
+                    header.packet3.packet != R300_CMD_PACKET3_RAW ||
+                    cmd[0] != CP_PACKET3(RADEON_CP_INDX_BUFFER, 2)) {
+                        DRM_ERROR("3D_DRAW_INDX_2: expect subsequent INDX_BUFFER.\n");
+                        return -EINVAL;
+                }
+
+                if ((cmd[1] & 0x8000ffff) != 0x80000810) {
+                        DRM_ERROR("Invalid indx_buffer reg address %08X\n", cmd[1]);
+                        return -EINVAL;
+                }
+                if (!radeon_check_offset(dev_priv, cmd[2])) {
+                        DRM_ERROR("Invalid indx_buffer offset is %08X\n", cmd[2]);
+                        return -EINVAL;
+                }
+                if (cmd[3] != expected_count) {
+                        DRM_ERROR("INDX_BUFFER: buffer size %i, expected %i\n",
+                                cmd[3], expected_count);
+                        return -EINVAL;
+                }
+
+                BEGIN_RING(4);
+                OUT_RING(cmd[0]);
+                OUT_RING_TABLE((int *)(cmdbuf->buf + 4), 3);
+                ADVANCE_RING();
+
+                cmdbuf->buf += 4*4;
+                cmdbuf->bufsz -= 4*4;
+        }
+
         return 0;
 }
 
@@ -613,11 +695,22 @@ static __inline__ int r300_emit_raw_packet3(drm_radeon_private_t *dev_priv,
         case RADEON_CNTL_BITBLT_MULTI:
                 return r300_emit_bitblt_multi(dev_priv, cmdbuf);
 
-        case RADEON_CP_INDX_BUFFER:     /* DRAW_INDX_2 without INDX_BUFFER seems to lock up the gpu */
-                return r300_emit_indx_buffer(dev_priv, cmdbuf);
-        case RADEON_CP_3D_DRAW_IMMD_2:  /* triggers drawing using in-packet vertex data */
-        case RADEON_CP_3D_DRAW_VBUF_2:  /* triggers drawing of vertex buffers setup elsewhere */
-        case RADEON_CP_3D_DRAW_INDX_2:  /* triggers drawing using indices to vertex buffer */
+        case RADEON_CP_INDX_BUFFER:
+                DRM_ERROR("packet3 INDX_BUFFER without preceding 3D_DRAW_INDX_2 is illegal.\n");
+                return -EINVAL;
+        case RADEON_CP_3D_DRAW_IMMD_2:
+                /* triggers drawing using in-packet vertex data */
+        case RADEON_CP_3D_DRAW_VBUF_2:
+                /* triggers drawing of vertex buffers setup elsewhere */
+                dev_priv->track_flush &= ~(RADEON_FLUSH_EMITED |
+                                           RADEON_PURGE_EMITED);
+                break;
+        case RADEON_CP_3D_DRAW_INDX_2:
+                /* triggers drawing using indices to vertex buffer */
+                /* whenever we send vertex we clear flush & purge */
+                dev_priv->track_flush &= ~(RADEON_FLUSH_EMITED |
+                                           RADEON_PURGE_EMITED);
+                return r300_emit_draw_indx_2(dev_priv, cmdbuf);
         case RADEON_WAIT_FOR_IDLE:
         case RADEON_CP_NOP:
                 /* these packets are safe */
@@ -713,17 +806,53 @@ static __inline__ int r300_emit_packet3(drm_radeon_private_t *dev_priv,
  */
 static __inline__ void r300_pacify(drm_radeon_private_t *dev_priv)
 {
+        uint32_t cache_z, cache_3d, cache_2d;
         RING_LOCALS;
 
-        BEGIN_RING(6);
-        OUT_RING(CP_PACKET0(R300_RB3D_DSTCACHE_CTLSTAT, 0));
-        OUT_RING(R300_RB3D_DSTCACHE_UNKNOWN_0A);
+        cache_z = R300_ZC_FLUSH;
+        cache_2d = R300_RB2D_DC_FLUSH;
+        cache_3d = R300_RB3D_DC_FLUSH;
+        if (!(dev_priv->track_flush & RADEON_PURGE_EMITED)) {
+                /* we can purge, primitive where draw since last purge */
+                cache_z |= R300_ZC_FREE;
+                cache_2d |= R300_RB2D_DC_FREE;
+                cache_3d |= R300_RB3D_DC_FREE;
+        }
+
+        /* flush & purge zbuffer */
+        BEGIN_RING(2);
         OUT_RING(CP_PACKET0(R300_ZB_ZCACHE_CTLSTAT, 0));
-        OUT_RING(R300_ZB_ZCACHE_CTLSTAT_ZC_FLUSH_FLUSH_AND_FREE|
-                 R300_ZB_ZCACHE_CTLSTAT_ZC_FREE_FREE);
-        OUT_RING(CP_PACKET3(RADEON_CP_NOP, 0));
-        OUT_RING(0x0);
+        OUT_RING(cache_z);
+        ADVANCE_RING();
+        /* flush & purge 3d */
+        BEGIN_RING(2);
+        OUT_RING(CP_PACKET0(R300_RB3D_DSTCACHE_CTLSTAT, 0));
+        OUT_RING(cache_3d);
+        ADVANCE_RING();
+        /* flush & purge texture */
+        BEGIN_RING(2);
+        OUT_RING(CP_PACKET0(R300_TX_INVALTAGS, 0));
+        OUT_RING(0);
+        ADVANCE_RING();
+        /* FIXME: is this one really needed ? */
+        BEGIN_RING(2);
+        OUT_RING(CP_PACKET0(R300_RB3D_AARESOLVE_CTL, 0));
+        OUT_RING(0);
+        ADVANCE_RING();
+        BEGIN_RING(2);
+        OUT_RING(CP_PACKET0(RADEON_WAIT_UNTIL, 0));
+        OUT_RING(RADEON_WAIT_3D_IDLECLEAN);
+        ADVANCE_RING();
+        /* flush & purge 2d through E2 as RB2D will trigger lockup */
+        BEGIN_RING(4);
+        OUT_RING(CP_PACKET0(R300_DSTCACHE_CTLSTAT, 0));
+        OUT_RING(cache_2d);
+        OUT_RING(CP_PACKET0(RADEON_WAIT_UNTIL, 0));
+        OUT_RING(RADEON_WAIT_2D_IDLECLEAN |
+                 RADEON_WAIT_HOST_IDLECLEAN);
         ADVANCE_RING();
+        /* set flush & purge flags */
+        dev_priv->track_flush |= RADEON_FLUSH_EMITED | RADEON_PURGE_EMITED;
 }
 
 /**
@@ -905,8 +1034,7 @@ int r300_do_cp_cmdbuf(struct drm_device *dev,
 
         DRM_DEBUG("\n");
 
-        /* See the comment above r300_emit_begin3d for why this call must be here,
-         * and what the cleanup gotos are for. */
+        /* pacify */
         r300_pacify(dev_priv);
 
         if (cmdbuf->nbox <= R300_SIMULTANEOUS_CLIPRECTS) {
diff --git a/drivers/gpu/drm/radeon/r300_reg.h b/drivers/gpu/drm/radeon/r300_reg.h
index a6802f26afc4..ee6f811599a3 100644
--- a/drivers/gpu/drm/radeon/r300_reg.h
+++ b/drivers/gpu/drm/radeon/r300_reg.h
@@ -317,7 +317,7 @@ USE OR OTHER DEALINGS IN THE SOFTWARE.
  * Therefore, I suspect writing zero to 0x2284 synchronizes the engine and
  * avoids bugs caused by still running shaders reading bad data from memory.
  */
-#define R300_VAP_PVS_WAITIDLE               0x2284 /* GUESS */
+#define R300_VAP_PVS_STATE_FLUSH_REG        0x2284
 
 /* Absolutely no clue what this register is about. */
 #define R300_VAP_UNKNOWN_2288               0x2288
@@ -513,7 +513,7 @@ USE OR OTHER DEALINGS IN THE SOFTWARE.
 /* gap */
 
 /* Zero to flush caches. */
-#define R300_TX_CNTL                        0x4100
+#define R300_TX_INVALTAGS                   0x4100
 #define R300_TX_FLUSH                       0x0
 
 /* The upper enable bits are guessed, based on fglrx reported limits. */
@@ -1362,6 +1362,7 @@ USE OR OTHER DEALINGS IN THE SOFTWARE.
 #define R300_RB3D_COLORPITCH2               0x4E40 /* GUESS */
 #define R300_RB3D_COLORPITCH3               0x4E44 /* GUESS */
 
+#define R300_RB3D_AARESOLVE_CTL             0x4E88
 /* gap */
 
 /* Guess by Vladimir.
diff --git a/drivers/gpu/drm/radeon/radeon_cp.c b/drivers/gpu/drm/radeon/radeon_cp.c
index f0de81a5689d..3331f88dcfb6 100644
--- a/drivers/gpu/drm/radeon/radeon_cp.c
+++ b/drivers/gpu/drm/radeon/radeon_cp.c
@@ -40,6 +40,7 @@
 #define RADEON_FIFO_DEBUG       0
 
 static int radeon_do_cleanup_cp(struct drm_device * dev);
+static void radeon_do_cp_start(drm_radeon_private_t * dev_priv);
 
 static u32 R500_READ_MCIND(drm_radeon_private_t *dev_priv, int addr)
 {
@@ -198,23 +199,8 @@ static int radeon_do_pixcache_flush(drm_radeon_private_t * dev_priv)
                         DRM_UDELAY(1);
                 }
         } else {
-                /* 3D */
-                tmp = RADEON_READ(R300_RB3D_DSTCACHE_CTLSTAT);
-                tmp |= RADEON_RB3D_DC_FLUSH_ALL;
-                RADEON_WRITE(R300_RB3D_DSTCACHE_CTLSTAT, tmp);
-
-                /* 2D */
-                tmp = RADEON_READ(R300_DSTCACHE_CTLSTAT);
-                tmp |= RADEON_RB3D_DC_FLUSH_ALL;
-                RADEON_WRITE(R300_DSTCACHE_CTLSTAT, tmp);
-
-                for (i = 0; i < dev_priv->usec_timeout; i++) {
-                        if (!(RADEON_READ(R300_DSTCACHE_CTLSTAT)
-                          & RADEON_RB3D_DC_BUSY)) {
-                                return 0;
-                        }
-                        DRM_UDELAY(1);
-                }
+                /* don't flush or purge cache here or lockup */
+                return 0;
         }
 
 #if RADEON_FIFO_DEBUG
@@ -237,6 +223,9 @@ static int radeon_do_wait_for_fifo(drm_radeon_private_t * dev_priv, int entries)
                         return 0;
                 DRM_UDELAY(1);
         }
+        DRM_INFO("wait for fifo failed status : 0x%08X 0x%08X\n",
+                 RADEON_READ(RADEON_RBBM_STATUS),
+                 RADEON_READ(R300_VAP_CNTL_STATUS));
 
 #if RADEON_FIFO_DEBUG
         DRM_ERROR("failed!\n");
@@ -263,6 +252,9 @@ static int radeon_do_wait_for_idle(drm_radeon_private_t * dev_priv)
                 }
                 DRM_UDELAY(1);
         }
+        DRM_INFO("wait idle failed status : 0x%08X 0x%08X\n",
+                 RADEON_READ(RADEON_RBBM_STATUS),
+                 RADEON_READ(R300_VAP_CNTL_STATUS));
 
 #if RADEON_FIFO_DEBUG
         DRM_ERROR("failed!\n");
@@ -443,14 +435,20 @@ static void radeon_do_cp_start(drm_radeon_private_t * dev_priv)
 
         dev_priv->cp_running = 1;
 
-        BEGIN_RING(6);
-
+        BEGIN_RING(8);
+        /* isync can only be written through cp on r5xx write it here */
+        OUT_RING(CP_PACKET0(RADEON_ISYNC_CNTL, 0));
+        OUT_RING(RADEON_ISYNC_ANY2D_IDLE3D |
+                 RADEON_ISYNC_ANY3D_IDLE2D |
+                 RADEON_ISYNC_WAIT_IDLEGUI |
+                 RADEON_ISYNC_CPSCRATCH_IDLEGUI);
         RADEON_PURGE_CACHE();
         RADEON_PURGE_ZCACHE();
         RADEON_WAIT_UNTIL_IDLE();
-
         ADVANCE_RING();
         COMMIT_RING();
+
+        dev_priv->track_flush |= RADEON_FLUSH_EMITED | RADEON_PURGE_EMITED;
 }
 
 /* Reset the Command Processor.  This will not flush any pending
diff --git a/drivers/gpu/drm/radeon/radeon_drv.h b/drivers/gpu/drm/radeon/radeon_drv.h
index 3f0eca957aa7..099381693175 100644
--- a/drivers/gpu/drm/radeon/radeon_drv.h
+++ b/drivers/gpu/drm/radeon/radeon_drv.h
@@ -220,6 +220,9 @@ struct radeon_virt_surface {
         struct drm_file *file_priv;
 };
 
+#define RADEON_FLUSH_EMITED     (1 < 0)
+#define RADEON_PURGE_EMITED     (1 < 1)
+
 typedef struct drm_radeon_private {
         drm_radeon_ring_buffer_t ring;
         drm_radeon_sarea_t *sarea_priv;
@@ -311,6 +314,7 @@ typedef struct drm_radeon_private {
         unsigned long fb_aper_offset;
 
         int num_gb_pipes;
+        int track_flush;
 } drm_radeon_private_t;
 
 typedef struct drm_radeon_buf_priv {
@@ -693,7 +697,6 @@ extern int r300_do_cp_cmdbuf(struct drm_device * dev,
 #define R300_ZB_ZCACHE_CTLSTAT                  0x4f18
 #       define R300_ZC_FLUSH                    (1 << 0)
 #       define R300_ZC_FREE                     (1 << 1)
-#       define R300_ZC_FLUSH_ALL                0x3
 #       define R300_ZC_BUSY                     (1 << 31)
 #define RADEON_RB3D_DSTCACHE_CTLSTAT    0x325c
 #       define RADEON_RB3D_DC_FLUSH             (3 << 0)
@@ -701,6 +704,8 @@ extern int r300_do_cp_cmdbuf(struct drm_device * dev,
 #       define RADEON_RB3D_DC_FLUSH_ALL         0xf
 #       define RADEON_RB3D_DC_BUSY              (1 << 31)
 #define R300_RB3D_DSTCACHE_CTLSTAT              0x4e4c
+#       define R300_RB3D_DC_FLUSH               (2 << 0)
+#       define R300_RB3D_DC_FREE                (2 << 2)
 #       define R300_RB3D_DC_FINISH              (1 << 4)
 #define RADEON_RB3D_ZSTENCILCNTL        0x1c2c
 #       define RADEON_Z_TEST_MASK               (7 << 4)
@@ -1246,17 +1251,17 @@ do {									\
                 OUT_RING(RADEON_RB3D_DC_FLUSH);                         \
         } else {                                                        \
                 OUT_RING(CP_PACKET0(R300_RB3D_DSTCACHE_CTLSTAT, 0));    \
-                OUT_RING(RADEON_RB3D_DC_FLUSH);                         \
+                OUT_RING(R300_RB3D_DC_FLUSH);                           \
         }                                                               \
 } while (0)
 
 #define RADEON_PURGE_CACHE() do {                                       \
         if ((dev_priv->flags & RADEON_FAMILY_MASK) <= CHIP_RV280) {     \
                 OUT_RING(CP_PACKET0(RADEON_RB3D_DSTCACHE_CTLSTAT, 0));  \
-                OUT_RING(RADEON_RB3D_DC_FLUSH_ALL);                     \
+                OUT_RING(RADEON_RB3D_DC_FLUSH | RADEON_RB3D_DC_FREE);   \
         } else {                                                        \
                 OUT_RING(CP_PACKET0(R300_RB3D_DSTCACHE_CTLSTAT, 0));    \
-                OUT_RING(RADEON_RB3D_DC_FLUSH_ALL);                     \
+                OUT_RING(R300_RB3D_DC_FLUSH | R300_RB3D_DC_FREE);       \
         }                                                               \
 } while (0)
 
@@ -1273,10 +1278,10 @@ do {									\
 #define RADEON_PURGE_ZCACHE() do {                                      \
         if ((dev_priv->flags & RADEON_FAMILY_MASK) <= CHIP_RV280) {     \
                 OUT_RING(CP_PACKET0(RADEON_RB3D_ZCACHE_CTLSTAT, 0));    \
-                OUT_RING(RADEON_RB3D_ZC_FLUSH_ALL);                     \
+                OUT_RING(RADEON_RB3D_ZC_FLUSH | RADEON_RB3D_ZC_FREE);                   \
         } else {                                                        \
-                OUT_RING(CP_PACKET0(R300_RB3D_DSTCACHE_CTLSTAT, 0));    \
-                OUT_RING(R300_ZC_FLUSH_ALL);                            \
+                OUT_RING(CP_PACKET0(R300_ZB_ZCACHE_CTLSTAT, 0));        \
+                OUT_RING(R300_ZC_FLUSH | R300_ZC_FREE);                         \
         }                                                               \
 } while (0)
 
diff --git a/drivers/i2c/busses/i2c-at91.c b/drivers/i2c/busses/i2c-at91.c
index c1adcdbf7979..9efb02137254 100644
--- a/drivers/i2c/busses/i2c-at91.c
+++ b/drivers/i2c/busses/i2c-at91.c
@@ -14,7 +14,6 @@
 */
 
 #include <linux/module.h>
-#include <linux/version.h>
 #include <linux/kernel.h>
 #include <linux/err.h>
 #include <linux/slab.h>
diff --git a/drivers/infiniband/hw/ehca/ehca_tools.h b/drivers/infiniband/hw/ehca/ehca_tools.h
index ec950bf8c479..21f7d06f14ad 100644
--- a/drivers/infiniband/hw/ehca/ehca_tools.h
+++ b/drivers/infiniband/hw/ehca/ehca_tools.h
@@ -54,7 +54,6 @@
 #include <linux/module.h>
 #include <linux/moduleparam.h>
 #include <linux/vmalloc.h>
-#include <linux/version.h>
 #include <linux/notifier.h>
 #include <linux/cpu.h>
 #include <linux/device.h>
diff --git a/drivers/infiniband/hw/ipath/ipath_fs.c b/drivers/infiniband/hw/ipath/ipath_fs.c
index 23faba9d21eb..8bb5170b4e41 100644
--- a/drivers/infiniband/hw/ipath/ipath_fs.c
+++ b/drivers/infiniband/hw/ipath/ipath_fs.c
@@ -31,7 +31,6 @@
  * SOFTWARE.
  */
 
-#include <linux/version.h>
 #include <linux/module.h>
 #include <linux/fs.h>
 #include <linux/mount.h>
diff --git a/drivers/infiniband/hw/ipath/ipath_iba7220.c b/drivers/infiniband/hw/ipath/ipath_iba7220.c
index d90f5e9a54fa..9839e20119bc 100644
--- a/drivers/infiniband/hw/ipath/ipath_iba7220.c
+++ b/drivers/infiniband/hw/ipath/ipath_iba7220.c
@@ -1720,7 +1720,7 @@ static void ipath_7220_put_tid(struct ipath_devdata *dd, u64 __iomem *tidptr,
                                  "not 2KB aligned!\n", pa);
                         return;
                 }
-                if (pa >= (1UL << IBA7220_TID_SZ_SHIFT)) {
+                if (chippa >= (1UL << IBA7220_TID_SZ_SHIFT)) {
                         ipath_dev_err(dd,
                                       "BUG: Physical page address 0x%lx "
                                       "larger than supported\n", pa);
diff --git a/drivers/infiniband/hw/ipath/ipath_ud.c b/drivers/infiniband/hw/ipath/ipath_ud.c
index 36aa242c487c..729446f56aab 100644
--- a/drivers/infiniband/hw/ipath/ipath_ud.c
+++ b/drivers/infiniband/hw/ipath/ipath_ud.c
@@ -267,6 +267,7 @@ int ipath_make_ud_req(struct ipath_qp *qp)
         u16 lrh0;
         u16 lid;
         int ret = 0;
+        int next_cur;
 
         spin_lock_irqsave(&qp->s_lock, flags);
 
@@ -290,8 +291,9 @@ int ipath_make_ud_req(struct ipath_qp *qp)
                 goto bail;
 
         wqe = get_swqe_ptr(qp, qp->s_cur);
-        if (++qp->s_cur >= qp->s_size)
-                qp->s_cur = 0;
+        next_cur = qp->s_cur + 1;
+        if (next_cur >= qp->s_size)
+                next_cur = 0;
 
         /* Construct the header. */
         ah_attr = &to_iah(wqe->wr.wr.ud.ah)->attr;
@@ -315,6 +317,7 @@ int ipath_make_ud_req(struct ipath_qp *qp)
                                 qp->s_flags |= IPATH_S_WAIT_DMA;
                                 goto bail;
                         }
+                        qp->s_cur = next_cur;
                         spin_unlock_irqrestore(&qp->s_lock, flags);
                         ipath_ud_loopback(qp, wqe);
                         spin_lock_irqsave(&qp->s_lock, flags);
@@ -323,6 +326,7 @@ int ipath_make_ud_req(struct ipath_qp *qp)
                 }
         }
 
+        qp->s_cur = next_cur;
         extra_bytes = -wqe->length & 3;
         nwords = (wqe->length + extra_bytes) >> 2;
 
diff --git a/drivers/infiniband/hw/mlx4/mr.c b/drivers/infiniband/hw/mlx4/mr.c
index a4cdb465cd1d..87f5c5a87b98 100644
--- a/drivers/infiniband/hw/mlx4/mr.c
+++ b/drivers/infiniband/hw/mlx4/mr.c
@@ -204,6 +204,8 @@ struct ib_mr *mlx4_ib_alloc_fast_reg_mr(struct ib_pd *pd,
         if (err)
                 goto err_mr;
 
+        mr->ibmr.rkey = mr->ibmr.lkey = mr->mmr.key;
+
         return &mr->ibmr;
 
 err_mr:
diff --git a/drivers/infiniband/hw/nes/nes.h b/drivers/infiniband/hw/nes/nes.h
index 39bd897b40c6..8eb7ae96974d 100644
--- a/drivers/infiniband/hw/nes/nes.h
+++ b/drivers/infiniband/hw/nes/nes.h
@@ -43,7 +43,6 @@
 #include <linux/dma-mapping.h>
 #include <linux/workqueue.h>
 #include <linux/slab.h>
-#include <linux/version.h>
 #include <asm/io.h>
 #include <linux/crc32c.h>
 
diff --git a/drivers/infiniband/ulp/ipoib/ipoib_main.c b/drivers/infiniband/ulp/ipoib/ipoib_main.c
index f51201b17bfd..7e9e218738fa 100644
--- a/drivers/infiniband/ulp/ipoib/ipoib_main.c
+++ b/drivers/infiniband/ulp/ipoib/ipoib_main.c
@@ -156,14 +156,8 @@ static int ipoib_stop(struct net_device *dev)
 
         netif_stop_queue(dev);
 
-        /*
-         * Now flush workqueue to make sure a scheduled task doesn't
-         * bring our internal state back up.
-         */
-        flush_workqueue(ipoib_workqueue);
-
-        ipoib_ib_dev_down(dev, 1);
-        ipoib_ib_dev_stop(dev, 1);
+        ipoib_ib_dev_down(dev, 0);
+        ipoib_ib_dev_stop(dev, 0);
 
         if (!test_bit(IPOIB_FLAG_SUBINTERFACE, &priv->flags)) {
                 struct ipoib_dev_priv *cpriv;
@@ -1314,7 +1308,7 @@ sysfs_failed:
 
 register_failed:
         ib_unregister_event_handler(&priv->event_handler);
-        flush_scheduled_work();
+        flush_workqueue(ipoib_workqueue);
 
 event_failed:
         ipoib_dev_cleanup(priv->dev);
@@ -1373,7 +1367,12 @@ static void ipoib_remove_one(struct ib_device *device)
 
         list_for_each_entry_safe(priv, tmp, dev_list, list) {
                 ib_unregister_event_handler(&priv->event_handler);
-                flush_scheduled_work();
+
+                rtnl_lock();
+                dev_change_flags(priv->dev, priv->dev->flags & ~IFF_UP);
+                rtnl_unlock();
+
+                flush_workqueue(ipoib_workqueue);
 
                 unregister_netdev(priv->dev);
                 ipoib_dev_cleanup(priv->dev);
diff --git a/drivers/infiniband/ulp/ipoib/ipoib_multicast.c b/drivers/infiniband/ulp/ipoib/ipoib_multicast.c
index 8950e9546f4e..ac33c8f3ea85 100644
--- a/drivers/infiniband/ulp/ipoib/ipoib_multicast.c
+++ b/drivers/infiniband/ulp/ipoib/ipoib_multicast.c
@@ -392,8 +392,16 @@ static int ipoib_mcast_join_complete(int status,
                                            &priv->mcast_task, 0);
                 mutex_unlock(&mcast_mutex);
 
-                if (mcast == priv->broadcast)
+                if (mcast == priv->broadcast) {
+                        /*
+                         * Take RTNL lock here to avoid racing with
+                         * ipoib_stop() and turning the carrier back
+                         * on while a device is being removed.
+                         */
+                        rtnl_lock();
                         netif_carrier_on(dev);
+                        rtnl_unlock();
+                }
 
                 return 0;
         }
diff --git a/drivers/infiniband/ulp/iser/iser_verbs.c b/drivers/infiniband/ulp/iser/iser_verbs.c
index 63462ecca147..26ff6214a81f 100644
--- a/drivers/infiniband/ulp/iser/iser_verbs.c
+++ b/drivers/infiniband/ulp/iser/iser_verbs.c
@@ -33,7 +33,6 @@
 #include <linux/kernel.h>
 #include <linux/module.h>
 #include <linux/delay.h>
-#include <linux/version.h>
 
 #include "iscsi_iser.h"
 
diff --git a/drivers/input/keyboard/bf54x-keys.c b/drivers/input/keyboard/bf54x-keys.c
index 54ed8e2e1c02..6f227d3dbda1 100644
--- a/drivers/input/keyboard/bf54x-keys.c
+++ b/drivers/input/keyboard/bf54x-keys.c
@@ -29,7 +29,6 @@
  */
 
 #include <linux/module.h>
-#include <linux/version.h>
 
 #include <linux/init.h>
 #include <linux/fs.h>
diff --git a/drivers/input/touchscreen/mainstone-wm97xx.c b/drivers/input/touchscreen/mainstone-wm97xx.c
index 283f93a0cee2..37a555f37306 100644
--- a/drivers/input/touchscreen/mainstone-wm97xx.c
+++ b/drivers/input/touchscreen/mainstone-wm97xx.c
@@ -25,7 +25,6 @@
 
 #include <linux/module.h>
 #include <linux/moduleparam.h>
-#include <linux/version.h>
 #include <linux/kernel.h>
 #include <linux/init.h>
 #include <linux/delay.h>
diff --git a/drivers/lguest/lguest_device.c b/drivers/lguest/lguest_device.c
index 37344aaee22f..a661bbdae3d6 100644
--- a/drivers/lguest/lguest_device.c
+++ b/drivers/lguest/lguest_device.c
@@ -98,6 +98,10 @@ static u32 lg_get_features(struct virtio_device *vdev)
         return features;
 }
 
+/* The virtio core takes the features the Host offers, and copies the
+ * ones supported by the driver into the vdev->features array.  Once
+ * that's all sorted out, this routine is called so we can tell the
+ * Host which features we understand and accept. */
 static void lg_finalize_features(struct virtio_device *vdev)
 {
         unsigned int i, bits;
@@ -108,6 +112,10 @@ static void lg_finalize_features(struct virtio_device *vdev)
         /* Give virtio_ring a chance to accept features. */
         vring_transport_features(vdev);
 
+        /* The vdev->feature array is a Linux bitmask: this isn't the
+         * same as a the simple array of bits used by lguest devices
+         * for features.  So we do this slow, manual conversion which is
+         * completely general. */
         memset(out_features, 0, desc->feature_len);
         bits = min_t(unsigned, desc->feature_len, sizeof(vdev->features)) * 8;
         for (i = 0; i < bits; i++) {
diff --git a/drivers/mfd/asic3.c b/drivers/mfd/asic3.c
index c6408a62d95e..bc2a807f210d 100644
--- a/drivers/mfd/asic3.c
+++ b/drivers/mfd/asic3.c
@@ -16,7 +16,6 @@
  *
  */
 
-#include <linux/version.h>
 #include <linux/kernel.h>
 #include <linux/irq.h>
 #include <linux/gpio.h>
diff --git a/drivers/misc/acer-wmi.c b/drivers/misc/acer-wmi.c
index b2d9878dc3f0..c6c77a505ec1 100644
--- a/drivers/misc/acer-wmi.c
+++ b/drivers/misc/acer-wmi.c
@@ -192,6 +192,9 @@ static struct quirk_entry *quirks;
 
 static void set_quirks(void)
 {
+        if (!interface)
+                return;
+
         if (quirks->mailled)
                 interface->capability |= ACER_CAP_MAILLED;
 
@@ -1237,6 +1240,8 @@ static int __init acer_wmi_init(void)
                 return -ENODEV;
         }
 
+        set_quirks();
+
         if (platform_driver_register(&acer_platform_driver)) {
                 printk(ACER_ERR "Unable to register platform driver.\n");
                 goto error_platform_register;
diff --git a/drivers/misc/eeprom_93cx6.c b/drivers/misc/eeprom_93cx6.c
index ea55654e5948..15b1780025c8 100644
--- a/drivers/misc/eeprom_93cx6.c
+++ b/drivers/misc/eeprom_93cx6.c
@@ -26,7 +26,6 @@
 
 #include <linux/kernel.h>
 #include <linux/module.h>
-#include <linux/version.h>
 #include <linux/delay.h>
 #include <linux/eeprom_93cx6.h>
 
diff --git a/drivers/mtd/maps/amd76xrom.c b/drivers/mtd/maps/amd76xrom.c
index 948b86f35ef4..d1eec7d3243f 100644
--- a/drivers/mtd/maps/amd76xrom.c
+++ b/drivers/mtd/maps/amd76xrom.c
@@ -6,7 +6,6 @@
 
 #include <linux/module.h>
 #include <linux/types.h>
-#include <linux/version.h>
 #include <linux/kernel.h>
 #include <linux/init.h>
 #include <asm/io.h>
diff --git a/drivers/mtd/maps/ck804xrom.c b/drivers/mtd/maps/ck804xrom.c
index effaf7cdefab..1a6feb4474de 100644
--- a/drivers/mtd/maps/ck804xrom.c
+++ b/drivers/mtd/maps/ck804xrom.c
@@ -9,7 +9,6 @@
 
 #include <linux/module.h>
 #include <linux/types.h>
-#include <linux/version.h>
 #include <linux/kernel.h>
 #include <linux/init.h>
 #include <asm/io.h>
diff --git a/drivers/mtd/maps/esb2rom.c b/drivers/mtd/maps/esb2rom.c
index aa64a4752781..bbbcdd4c8d13 100644
--- a/drivers/mtd/maps/esb2rom.c
+++ b/drivers/mtd/maps/esb2rom.c
@@ -12,7 +12,6 @@
 
 #include <linux/module.h>
 #include <linux/types.h>
-#include <linux/version.h>
 #include <linux/kernel.h>
 #include <linux/init.h>
 #include <asm/io.h>
diff --git a/drivers/mtd/nand/au1550nd.c b/drivers/mtd/nand/au1550nd.c
index 761946ea45b1..92c334ff4508 100644
--- a/drivers/mtd/nand/au1550nd.c
+++ b/drivers/mtd/nand/au1550nd.c
@@ -16,7 +16,6 @@
 #include <linux/mtd/mtd.h>
 #include <linux/mtd/nand.h>
 #include <linux/mtd/partitions.h>
-#include <linux/version.h>
 #include <asm/io.h>
 
 #include <asm/mach-au1x00/au1xxx.h>
diff --git a/drivers/net/e1000/e1000_param.c b/drivers/net/e1000/e1000_param.c
index b9f90a5d3d4d..213437d13154 100644
--- a/drivers/net/e1000/e1000_param.c
+++ b/drivers/net/e1000/e1000_param.c
@@ -208,7 +208,7 @@ struct e1000_option {
                 } r;
                 struct { /* list_option info */
                         int nr;
-                        struct e1000_opt_list { int i; char *str; } *p;
+                        const struct e1000_opt_list { int i; char *str; } *p;
                 } l;
         } arg;
 };
@@ -242,7 +242,7 @@ static int __devinit e1000_validate_option(unsigned int *value,
                 break;
         case list_option: {
                 int i;
-                struct e1000_opt_list *ent;
+                const struct e1000_opt_list *ent;
 
                 for (i = 0; i < opt->arg.l.nr; i++) {
                         ent = &opt->arg.l.p[i];
@@ -279,7 +279,9 @@ static void e1000_check_copper_options(struct e1000_adapter *adapter);
 
 void __devinit e1000_check_options(struct e1000_adapter *adapter)
 {
+        struct e1000_option opt;
         int bd = adapter->bd_number;
+
         if (bd >= E1000_MAX_NIC) {
                 DPRINTK(PROBE, NOTICE,
                        "Warning: no configuration for board #%i\n", bd);
@@ -287,19 +289,21 @@ void __devinit e1000_check_options(struct e1000_adapter *adapter)
         }
 
         { /* Transmit Descriptor Count */
-                struct e1000_option opt = {
+                struct e1000_tx_ring *tx_ring = adapter->tx_ring;
+                int i;
+                e1000_mac_type mac_type = adapter->hw.mac_type;
+
+                opt = (struct e1000_option) {
                         .type = range_option,
                         .name = "Transmit Descriptors",
                         .err  = "using default of "
                                 __MODULE_STRING(E1000_DEFAULT_TXD),
                         .def  = E1000_DEFAULT_TXD,
-                        .arg  = { .r = { .min = E1000_MIN_TXD }}
+                        .arg  = { .r = {
+                                .min = E1000_MIN_TXD,
+                                .max = mac_type < e1000_82544 ? E1000_MAX_TXD : E1000_MAX_82544_TXD
+                                }}
                 };
-                struct e1000_tx_ring *tx_ring = adapter->tx_ring;
-                int i;
-                e1000_mac_type mac_type = adapter->hw.mac_type;
-                opt.arg.r.max = mac_type < e1000_82544 ?
-                        E1000_MAX_TXD : E1000_MAX_82544_TXD;
 
                 if (num_TxDescriptors > bd) {
                         tx_ring->count = TxDescriptors[bd];
@@ -313,19 +317,21 @@ void __devinit e1000_check_options(struct e1000_adapter *adapter)
                         tx_ring[i].count = tx_ring->count;
         }
         { /* Receive Descriptor Count */
-                struct e1000_option opt = {
+                struct e1000_rx_ring *rx_ring = adapter->rx_ring;
+                int i;
+                e1000_mac_type mac_type = adapter->hw.mac_type;
+
+                opt = (struct e1000_option) {
                         .type = range_option,
                         .name = "Receive Descriptors",
                         .err  = "using default of "
                                 __MODULE_STRING(E1000_DEFAULT_RXD),
                         .def  = E1000_DEFAULT_RXD,
-                        .arg  = { .r = { .min = E1000_MIN_RXD }}
+                        .arg  = { .r = {
+                                .min = E1000_MIN_RXD,
+                                .max = mac_type < e1000_82544 ? E1000_MAX_RXD : E1000_MAX_82544_RXD
+                        }}
                 };
-                struct e1000_rx_ring *rx_ring = adapter->rx_ring;
-                int i;
-                e1000_mac_type mac_type = adapter->hw.mac_type;
-                opt.arg.r.max = mac_type < e1000_82544 ? E1000_MAX_RXD :
-                        E1000_MAX_82544_RXD;
 
                 if (num_RxDescriptors > bd) {
                         rx_ring->count = RxDescriptors[bd];
@@ -339,7 +345,7 @@ void __devinit e1000_check_options(struct e1000_adapter *adapter)
                         rx_ring[i].count = rx_ring->count;
         }
         { /* Checksum Offload Enable/Disable */
-                struct e1000_option opt = {
+                opt = (struct e1000_option) {
                         .type = enable_option,
                         .name = "Checksum Offload",
                         .err  = "defaulting to Enabled",
@@ -363,7 +369,7 @@ void __devinit e1000_check_options(struct e1000_adapter *adapter)
                          { E1000_FC_FULL,    "Flow Control Enabled" },
                          { E1000_FC_DEFAULT, "Flow Control Hardware Default" }};
 
-                struct e1000_option opt = {
+                opt = (struct e1000_option) {
                         .type = list_option,
                         .name = "Flow Control",
                         .err  = "reading default settings from EEPROM",
@@ -381,7 +387,7 @@ void __devinit e1000_check_options(struct e1000_adapter *adapter)
                 }
         }
         { /* Transmit Interrupt Delay */
-                struct e1000_option opt = {
+                opt = (struct e1000_option) {
                         .type = range_option,
                         .name = "Transmit Interrupt Delay",
                         .err  = "using default of " __MODULE_STRING(DEFAULT_TIDV),
@@ -399,7 +405,7 @@ void __devinit e1000_check_options(struct e1000_adapter *adapter)
                 }
         }
         { /* Transmit Absolute Interrupt Delay */
-                struct e1000_option opt = {
+                opt = (struct e1000_option) {
                         .type = range_option,
                         .name = "Transmit Absolute Interrupt Delay",
                         .err  = "using default of " __MODULE_STRING(DEFAULT_TADV),
@@ -417,7 +423,7 @@ void __devinit e1000_check_options(struct e1000_adapter *adapter)
                 }
         }
         { /* Receive Interrupt Delay */
-                struct e1000_option opt = {
+                opt = (struct e1000_option) {
                         .type = range_option,
                         .name = "Receive Interrupt Delay",
                         .err  = "using default of " __MODULE_STRING(DEFAULT_RDTR),
@@ -435,7 +441,7 @@ void __devinit e1000_check_options(struct e1000_adapter *adapter)
                 }
         }
         { /* Receive Absolute Interrupt Delay */
-                struct e1000_option opt = {
+                opt = (struct e1000_option) {
                         .type = range_option,
                         .name = "Receive Absolute Interrupt Delay",
                         .err  = "using default of " __MODULE_STRING(DEFAULT_RADV),
@@ -453,7 +459,7 @@ void __devinit e1000_check_options(struct e1000_adapter *adapter)
                 }
         }
         { /* Interrupt Throttling Rate */
-                struct e1000_option opt = {
+                opt = (struct e1000_option) {
                         .type = range_option,
                         .name = "Interrupt Throttling Rate (ints/sec)",
                         .err  = "using default of " __MODULE_STRING(DEFAULT_ITR),
@@ -497,7 +503,7 @@ void __devinit e1000_check_options(struct e1000_adapter *adapter)
                 }
         }
         { /* Smart Power Down */
-                struct e1000_option opt = {
+                opt = (struct e1000_option) {
                         .type = enable_option,
                         .name = "PHY Smart Power Down",
                         .err  = "defaulting to Disabled",
@@ -513,7 +519,7 @@ void __devinit e1000_check_options(struct e1000_adapter *adapter)
                 }
         }
         { /* Kumeran Lock Loss Workaround */
-                struct e1000_option opt = {
+                opt = (struct e1000_option) {
                         .type = enable_option,
                         .name = "Kumeran Lock Loss Workaround",
                         .err  = "defaulting to Enabled",
@@ -578,16 +584,18 @@ static void __devinit e1000_check_fiber_options(struct e1000_adapter *adapter)
 
 static void __devinit e1000_check_copper_options(struct e1000_adapter *adapter)
 {
+        struct e1000_option opt;
         unsigned int speed, dplx, an;
         int bd = adapter->bd_number;
 
         { /* Speed */
-                struct e1000_opt_list speed_list[] = {{          0, "" },
-                                                      {   SPEED_10, "" },
-                                                      {  SPEED_100, "" },
-                                                      { SPEED_1000, "" }};
+                static const struct e1000_opt_list speed_list[] = {
+                        {          0, "" },
+                        {   SPEED_10, "" },
+                        {  SPEED_100, "" },
+                        { SPEED_1000, "" }};
 
-                struct e1000_option opt = {
+                opt = (struct e1000_option) {
                         .type = list_option,
                         .name = "Speed",
                         .err  = "parameter ignored",
@@ -604,11 +612,12 @@ static void __devinit e1000_check_copper_options(struct e1000_adapter *adapter)
                 }
         }
         { /* Duplex */
-                struct e1000_opt_list dplx_list[] = {{           0, "" },
-                                                     { HALF_DUPLEX, "" },
-                                                     { FULL_DUPLEX, "" }};
+                static const struct e1000_opt_list dplx_list[] = {
+                        {           0, "" },
+                        { HALF_DUPLEX, "" },
+                        { FULL_DUPLEX, "" }};
 
-                struct e1000_option opt = {
+                opt = (struct e1000_option) {
                         .type = list_option,
                         .name = "Duplex",
                         .err  = "parameter ignored",
@@ -637,7 +646,7 @@ static void __devinit e1000_check_copper_options(struct e1000_adapter *adapter)
                        "parameter ignored\n");
                 adapter->hw.autoneg_advertised = AUTONEG_ADV_DEFAULT;
         } else { /* Autoneg */
-                struct e1000_opt_list an_list[] =
+                static const struct e1000_opt_list an_list[] =
                         #define AA "AutoNeg advertising "
                         {{ 0x01, AA "10/HD" },
                          { 0x02, AA "10/FD" },
@@ -671,7 +680,7 @@ static void __devinit e1000_check_copper_options(struct e1000_adapter *adapter)
                          { 0x2e, AA "1000/FD, 100/FD, 100/HD, 10/FD" },
                          { 0x2f, AA "1000/FD, 100/FD, 100/HD, 10/FD, 10/HD" }};
 
-                struct e1000_option opt = {
+                opt = (struct e1000_option) {
                         .type = list_option,
                         .name = "AutoNeg",
                         .err  = "parameter ignored",
diff --git a/drivers/net/myri10ge/myri10ge.c b/drivers/net/myri10ge/myri10ge.c
index f6847531bf9e..d6524db321af 100644
--- a/drivers/net/myri10ge/myri10ge.c
+++ b/drivers/net/myri10ge/myri10ge.c
@@ -56,7 +56,6 @@
 #include <linux/ethtool.h>
 #include <linux/firmware.h>
 #include <linux/delay.h>
-#include <linux/version.h>
 #include <linux/timer.h>
 #include <linux/vmalloc.h>
 #include <linux/crc32.h>
diff --git a/drivers/net/netxen/netxen_nic.h b/drivers/net/netxen/netxen_nic.h
index ab871df6b1db..244ab49c4337 100644
--- a/drivers/net/netxen/netxen_nic.h
+++ b/drivers/net/netxen/netxen_nic.h
@@ -45,7 +45,6 @@
 #include <linux/in.h>
 #include <linux/tcp.h>
 #include <linux/skbuff.h>
-#include <linux/version.h>
 
 #include <linux/ethtool.h>
 #include <linux/mii.h>
diff --git a/drivers/net/netxen/netxen_nic_ethtool.c b/drivers/net/netxen/netxen_nic_ethtool.c
index 4ad3e0844b99..b974ca0fc530 100644
--- a/drivers/net/netxen/netxen_nic_ethtool.c
+++ b/drivers/net/netxen/netxen_nic_ethtool.c
@@ -38,7 +38,6 @@
 #include <asm/io.h>
 #include <linux/netdevice.h>
 #include <linux/ethtool.h>
-#include <linux/version.h>
 
 #include "netxen_nic.h"
 #include "netxen_nic_hw.h"
diff --git a/drivers/net/netxen/netxen_nic_hdr.h b/drivers/net/netxen/netxen_nic_hdr.h
index e8e8d73f6ed7..e80f9e3e5973 100644
--- a/drivers/net/netxen/netxen_nic_hdr.h
+++ b/drivers/net/netxen/netxen_nic_hdr.h
@@ -32,8 +32,6 @@
 
 #include <linux/module.h>
 #include <linux/kernel.h>
-#include <linux/version.h>
-
 #include <linux/spinlock.h>
 #include <asm/irq.h>
 #include <linux/init.h>
diff --git a/drivers/net/tokenring/lanstreamer.c b/drivers/net/tokenring/lanstreamer.c
index 47d84cd28097..59d1673f9387 100644
--- a/drivers/net/tokenring/lanstreamer.c
+++ b/drivers/net/tokenring/lanstreamer.c
@@ -119,7 +119,6 @@
 #include <linux/pci.h>
 #include <linux/dma-mapping.h>
 #include <linux/spinlock.h>
-#include <linux/version.h>
 #include <linux/bitops.h>
 #include <linux/jiffies.h>
 
diff --git a/drivers/net/tokenring/lanstreamer.h b/drivers/net/tokenring/lanstreamer.h
index e7bb3494afc7..13ccee6449c1 100644
--- a/drivers/net/tokenring/lanstreamer.h
+++ b/drivers/net/tokenring/lanstreamer.h
@@ -60,8 +60,6 @@
  *
  */
 
-#include <linux/version.h>
-
 /* MAX_INTR - the maximum number of times we can loop
  * inside the interrupt function before returning
  * control to the OS (maximum value is 256)
diff --git a/drivers/net/wireless/b43legacy/main.c b/drivers/net/wireless/b43legacy/main.c
index 2541c81932f0..1cb77db5c292 100644
--- a/drivers/net/wireless/b43legacy/main.c
+++ b/drivers/net/wireless/b43legacy/main.c
@@ -34,7 +34,6 @@
 #include <linux/moduleparam.h>
 #include <linux/if_arp.h>
 #include <linux/etherdevice.h>
-#include <linux/version.h>
 #include <linux/firmware.h>
 #include <linux/wireless.h>
 #include <linux/workqueue.h>
diff --git a/drivers/net/wireless/iwlwifi/iwl-3945-led.c b/drivers/net/wireless/iwlwifi/iwl-3945-led.c
index d3336966b6b5..705c65bed9fd 100644
--- a/drivers/net/wireless/iwlwifi/iwl-3945-led.c
+++ b/drivers/net/wireless/iwlwifi/iwl-3945-led.c
@@ -27,7 +27,6 @@
 
 #include <linux/kernel.h>
 #include <linux/module.h>
-#include <linux/version.h>
 #include <linux/init.h>
 #include <linux/pci.h>
 #include <linux/dma-mapping.h>
diff --git a/drivers/net/wireless/iwlwifi/iwl-led.c b/drivers/net/wireless/iwlwifi/iwl-led.c
index cb11c4a4d691..4eee1b163cd2 100644
--- a/drivers/net/wireless/iwlwifi/iwl-led.c
+++ b/drivers/net/wireless/iwlwifi/iwl-led.c
@@ -27,7 +27,6 @@
 
 #include <linux/kernel.h>
 #include <linux/module.h>
-#include <linux/version.h>
 #include <linux/init.h>
 #include <linux/pci.h>
 #include <linux/dma-mapping.h>
diff --git a/drivers/net/wireless/iwlwifi/iwl-rfkill.c b/drivers/net/wireless/iwlwifi/iwl-rfkill.c
index e5e5846e9f25..5d642298f04c 100644
--- a/drivers/net/wireless/iwlwifi/iwl-rfkill.c
+++ b/drivers/net/wireless/iwlwifi/iwl-rfkill.c
@@ -27,7 +27,6 @@
  *****************************************************************************/
 #include <linux/kernel.h>
 #include <linux/module.h>
-#include <linux/version.h>
 #include <linux/init.h>
 
 #include <net/mac80211.h>
diff --git a/drivers/oprofile/cpu_buffer.c b/drivers/oprofile/cpu_buffer.c
index 2450b3a393ff..7ba78e6d210e 100644
--- a/drivers/oprofile/cpu_buffer.c
+++ b/drivers/oprofile/cpu_buffer.c
@@ -38,8 +38,10 @@ void free_cpu_buffers(void)
 {
         int i;
  
-        for_each_online_cpu(i)
+        for_each_online_cpu(i) {
                 vfree(per_cpu(cpu_buffer, i).buffer);
+                per_cpu(cpu_buffer, i).buffer = NULL;
+        }
 }
 
 int alloc_cpu_buffers(void)
diff --git a/drivers/oprofile/event_buffer.c b/drivers/oprofile/event_buffer.c
index e7fbac529935..8d692a5c8e73 100644
--- a/drivers/oprofile/event_buffer.c
+++ b/drivers/oprofile/event_buffer.c
@@ -93,6 +93,8 @@ out:
 void free_event_buffer(void)
 {
         vfree(event_buffer);
+
+        event_buffer = NULL;
 }
 
  
diff --git a/drivers/pci/hotplug/pciehp.h b/drivers/pci/hotplug/pciehp.h
index e3a1e7e7dba2..9e6cec67e1cc 100644
--- a/drivers/pci/hotplug/pciehp.h
+++ b/drivers/pci/hotplug/pciehp.h
@@ -43,7 +43,6 @@ extern int pciehp_poll_mode;
 extern int pciehp_poll_time;
 extern int pciehp_debug;
 extern int pciehp_force;
-extern int pciehp_slot_with_bus;
 extern struct workqueue_struct *pciehp_wq;
 
 #define dbg(format, arg...)                                             \
diff --git a/drivers/pci/hotplug/pciehp_core.c b/drivers/pci/hotplug/pciehp_core.c
index 3677495c4f91..4fd5355bc3b5 100644
--- a/drivers/pci/hotplug/pciehp_core.c
+++ b/drivers/pci/hotplug/pciehp_core.c
@@ -41,7 +41,6 @@ int pciehp_debug;
 int pciehp_poll_mode;
 int pciehp_poll_time;
 int pciehp_force;
-int pciehp_slot_with_bus;
 struct workqueue_struct *pciehp_wq;
 
 #define DRIVER_VERSION  "0.4"
@@ -56,12 +55,10 @@ module_param(pciehp_debug, bool, 0644);
 module_param(pciehp_poll_mode, bool, 0644);
 module_param(pciehp_poll_time, int, 0644);
 module_param(pciehp_force, bool, 0644);
-module_param(pciehp_slot_with_bus, bool, 0644);
 MODULE_PARM_DESC(pciehp_debug, "Debugging mode enabled or not");
 MODULE_PARM_DESC(pciehp_poll_mode, "Using polling mechanism for hot-plug events or not");
 MODULE_PARM_DESC(pciehp_poll_time, "Polling mechanism frequency, in seconds");
 MODULE_PARM_DESC(pciehp_force, "Force pciehp, even if _OSC and OSHP are missing");
-MODULE_PARM_DESC(pciehp_slot_with_bus, "Use bus number in the slot name");
 
 #define PCIE_MODULE_NAME "pciehp"
 
@@ -194,6 +191,7 @@ static int init_slots(struct controller *ctrl)
         struct slot *slot;
         struct hotplug_slot *hotplug_slot;
         struct hotplug_slot_info *info;
+        int len, dup = 1;
         int retval = -ENOMEM;
 
         list_for_each_entry(slot, &ctrl->slot_list, slot_list) {
@@ -220,15 +218,24 @@ static int init_slots(struct controller *ctrl)
                 dbg("Registering bus=%x dev=%x hp_slot=%x sun=%x "
                     "slot_device_offset=%x\n", slot->bus, slot->device,
                     slot->hp_slot, slot->number, ctrl->slot_device_offset);
+duplicate_name:
                 retval = pci_hp_register(hotplug_slot,
                                          ctrl->pci_dev->subordinate,
                                          slot->device);
                 if (retval) {
+                        /*
+                         * If slot N already exists, we'll try to create
+                         * slot N-1, N-2 ... N-M, until we overflow.
+                         */
+                        if (retval == -EEXIST) {
+                                len = snprintf(slot->name, SLOT_NAME_SIZE,
+                                               "%d-%d", slot->number, dup++);
+                                if (len < SLOT_NAME_SIZE)
+                                        goto duplicate_name;
+                                else
+                                        err("duplicate slot name overflow\n");
+                        }
                         err("pci_hp_register failed with error %d\n", retval);
-                        if (retval == -EEXIST)
-                                err("Failed to register slot because of name "
-                                    "collision. Try \'pciehp_slot_with_bus\' "
-                                    "module option.\n");
                         goto error_info;
                 }
                 /* create additional sysfs entries */
diff --git a/drivers/pci/hotplug/pciehp_hpc.c b/drivers/pci/hotplug/pciehp_hpc.c
index ad27e9e225a6..ab31f5ba665d 100644
--- a/drivers/pci/hotplug/pciehp_hpc.c
+++ b/drivers/pci/hotplug/pciehp_hpc.c
@@ -1030,15 +1030,6 @@ static void pcie_shutdown_notification(struct controller *ctrl)
         pciehp_free_irq(ctrl);
 }
 
-static void make_slot_name(struct slot *slot)
-{
-        if (pciehp_slot_with_bus)
-                snprintf(slot->name, SLOT_NAME_SIZE, "%04d_%04d",
-                         slot->bus, slot->number);
-        else
-                snprintf(slot->name, SLOT_NAME_SIZE, "%d", slot->number);
-}
-
 static int pcie_init_slot(struct controller *ctrl)
 {
         struct slot *slot;
@@ -1053,7 +1044,7 @@ static int pcie_init_slot(struct controller *ctrl)
         slot->device = ctrl->slot_device_offset + slot->hp_slot;
         slot->hpc_ops = ctrl->hpc_ops;
         slot->number = ctrl->first_slot;
-        make_slot_name(slot);
+        snprintf(slot->name, SLOT_NAME_SIZE, "%d", slot->number);
         mutex_init(&slot->lock);
         INIT_DELAYED_WORK(&slot->work, pciehp_queue_pushbutton_work);
         list_add(&slot->slot_list, &ctrl->slot_list);
diff --git a/drivers/pci/hotplug/shpchp_core.c b/drivers/pci/hotplug/shpchp_core.c
index a8cbd039b85b..cc38615395f1 100644
--- a/drivers/pci/hotplug/shpchp_core.c
+++ b/drivers/pci/hotplug/shpchp_core.c
@@ -39,7 +39,6 @@
 int shpchp_debug;
 int shpchp_poll_mode;
 int shpchp_poll_time;
-static int shpchp_slot_with_bus;
 struct workqueue_struct *shpchp_wq;
 
 #define DRIVER_VERSION  "0.4"
@@ -53,11 +52,9 @@ MODULE_LICENSE("GPL");
 module_param(shpchp_debug, bool, 0644);
 module_param(shpchp_poll_mode, bool, 0644);
 module_param(shpchp_poll_time, int, 0644);
-module_param(shpchp_slot_with_bus, bool, 0644);
 MODULE_PARM_DESC(shpchp_debug, "Debugging mode enabled or not");
 MODULE_PARM_DESC(shpchp_poll_mode, "Using polling mechanism for hot-plug events or not");
 MODULE_PARM_DESC(shpchp_poll_time, "Polling mechanism frequency, in seconds");
-MODULE_PARM_DESC(shpchp_slot_with_bus, "Use bus number in the slot name");
 
 #define SHPC_MODULE_NAME "shpchp"
 
@@ -99,23 +96,13 @@ static void release_slot(struct hotplug_slot *hotplug_slot)
         kfree(slot);
 }
 
-static void make_slot_name(struct slot *slot)
-{
-        if (shpchp_slot_with_bus)
-                snprintf(slot->hotplug_slot->name, SLOT_NAME_SIZE, "%04d_%04d",
-                         slot->bus, slot->number);
-        else
-                snprintf(slot->hotplug_slot->name, SLOT_NAME_SIZE, "%d",
-                         slot->number);
-}
-
 static int init_slots(struct controller *ctrl)
 {
         struct slot *slot;
         struct hotplug_slot *hotplug_slot;
         struct hotplug_slot_info *info;
         int retval = -ENOMEM;
-        int i;
+        int i, len, dup = 1;
 
         for (i = 0; i < ctrl->num_slots; i++) {
                 slot = kzalloc(sizeof(*slot), GFP_KERNEL);
@@ -146,7 +133,7 @@ static int init_slots(struct controller *ctrl)
                 /* register this slot with the hotplug pci core */
                 hotplug_slot->private = slot;
                 hotplug_slot->release = &release_slot;
-                make_slot_name(slot);
+                snprintf(slot->name, SLOT_NAME_SIZE, "%d", slot->number);
                 hotplug_slot->ops = &shpchp_hotplug_slot_ops;
 
                 get_power_status(hotplug_slot, &info->power_status);
@@ -157,14 +144,23 @@ static int init_slots(struct controller *ctrl)
                 dbg("Registering bus=%x dev=%x hp_slot=%x sun=%x "
                     "slot_device_offset=%x\n", slot->bus, slot->device,
                     slot->hp_slot, slot->number, ctrl->slot_device_offset);
+duplicate_name:
                 retval = pci_hp_register(slot->hotplug_slot,
                                 ctrl->pci_dev->subordinate, slot->device);
                 if (retval) {
+                        /*
+                         * If slot N already exists, we'll try to create
+                         * slot N-1, N-2 ... N-M, until we overflow.
+                         */
+                        if (retval == -EEXIST) {
+                                len = snprintf(slot->name, SLOT_NAME_SIZE,
+                                               "%d-%d", slot->number, dup++);
+                                if (len < SLOT_NAME_SIZE)
+                                        goto duplicate_name;
+                                else
+                                        err("duplicate slot name overflow\n");
+                        }
                         err("pci_hp_register failed with error %d\n", retval);
-                        if (retval == -EEXIST)
-                                err("Failed to register slot because of name "
-                                    "collision. Try \'shpchp_slot_with_bus\' "
-                                    "module option.\n");
                         goto error_info;
                 }
 
diff --git a/drivers/pci/search.c b/drivers/pci/search.c
index 217814fef4ef..3b3b5f178797 100644
--- a/drivers/pci/search.c
+++ b/drivers/pci/search.c
@@ -280,6 +280,8 @@ static struct pci_dev *pci_get_dev_by_id(const struct pci_device_id *id,
                               match_pci_dev_by_id);
         if (dev)
                 pdev = to_pci_dev(dev);
+        if (from)
+                pci_dev_put(from);
         return pdev;
 }
 
diff --git a/drivers/rtc/rtc-max6902.c b/drivers/rtc/rtc-max6902.c
index 12f0310ae89c..78b2551fb19d 100644
--- a/drivers/rtc/rtc-max6902.c
+++ b/drivers/rtc/rtc-max6902.c
@@ -20,8 +20,6 @@
  */
 
 #include <linux/module.h>
-#include <linux/version.h>
-
 #include <linux/kernel.h>
 #include <linux/platform_device.h>
 #include <linux/init.h>
diff --git a/drivers/rtc/rtc-r9701.c b/drivers/rtc/rtc-r9701.c
index b35f9bfa2af4..395985b339c9 100644
--- a/drivers/rtc/rtc-r9701.c
+++ b/drivers/rtc/rtc-r9701.c
@@ -14,7 +14,6 @@
  */
 
 #include <linux/module.h>
-#include <linux/version.h>
 #include <linux/kernel.h>
 #include <linux/platform_device.h>
 #include <linux/device.h>
diff --git a/drivers/s390/block/dasd.c b/drivers/s390/block/dasd.c
index 1b6c52ef7339..acb78017e7d0 100644
--- a/drivers/s390/block/dasd.c
+++ b/drivers/s390/block/dasd.c
@@ -2333,13 +2333,11 @@ int dasd_generic_notify(struct ccw_device *cdev, int event)
 {
         struct dasd_device *device;
         struct dasd_ccw_req *cqr;
-        unsigned long flags;
         int ret;
 
-        device = dasd_device_from_cdev(cdev);
+        device = dasd_device_from_cdev_locked(cdev);
         if (IS_ERR(device))
                 return 0;
-        spin_lock_irqsave(get_ccwdev_lock(cdev), flags);
         ret = 0;
         switch (event) {
         case CIO_GONE:
@@ -2369,7 +2367,6 @@ int dasd_generic_notify(struct ccw_device *cdev, int event)
                 ret = 1;
                 break;
         }
-        spin_unlock_irqrestore(get_ccwdev_lock(cdev), flags);
         dasd_put_device(device);
         return ret;
 }
diff --git a/drivers/s390/block/dasd_eckd.h b/drivers/s390/block/dasd_eckd.h
index 4bf0aa5112c1..2476f87d21d0 100644
--- a/drivers/s390/block/dasd_eckd.h
+++ b/drivers/s390/block/dasd_eckd.h
@@ -308,7 +308,7 @@ struct dasd_psf_prssd_data {
         unsigned char flags;
         unsigned char reserved[4];
         unsigned char suborder;
-        unsigned char varies[9];
+        unsigned char varies[5];
 } __attribute__ ((packed));
 
 /*
diff --git a/drivers/s390/block/dasd_eer.c b/drivers/s390/block/dasd_eer.c
index 29da4413ad43..bf512ac75b9e 100644
--- a/drivers/s390/block/dasd_eer.c
+++ b/drivers/s390/block/dasd_eer.c
@@ -16,6 +16,7 @@
 #include <linux/poll.h>
 #include <linux/mutex.h>
 #include <linux/smp_lock.h>
+#include <linux/err.h>
 
 #include <asm/uaccess.h>
 #include <asm/atomic.h>
@@ -457,7 +458,7 @@ int dasd_eer_enable(struct dasd_device *device)
 
         cqr = dasd_kmalloc_request("ECKD", 1 /* SNSS */,
                                    SNSS_DATA_SIZE, device);
-        if (!cqr)
+        if (IS_ERR(cqr))
                 return -ENOMEM;
 
         cqr->startdev = device;
diff --git a/drivers/s390/block/dcssblk.c b/drivers/s390/block/dcssblk.c
index 01fcdd91b846..711b3004b3e6 100644
--- a/drivers/s390/block/dcssblk.c
+++ b/drivers/s390/block/dcssblk.c
@@ -384,6 +384,11 @@ dcssblk_add_store(struct device *dev, struct device_attribute *attr, const char
          * get minor, add to list
          */
         down_write(&dcssblk_devices_sem);
+        if (dcssblk_get_device_by_name(local_buf)) {
+                up_write(&dcssblk_devices_sem);
+                rc = -EEXIST;
+                goto unload_seg;
+        }
         rc = dcssblk_assign_free_minor(dev_info);
         if (rc) {
                 up_write(&dcssblk_devices_sem);
diff --git a/drivers/s390/char/tape_char.c b/drivers/s390/char/tape_char.c
index 687720b552d1..be0ce2215c8d 100644
--- a/drivers/s390/char/tape_char.c
+++ b/drivers/s390/char/tape_char.c
@@ -109,7 +109,7 @@ tapechar_check_idalbuffer(struct tape_device *device, size_t block_size)
 
         /* The current idal buffer is not correct. Allocate a new one. */
         new = idal_buffer_alloc(block_size, 0);
-        if (new == NULL)
+        if (IS_ERR(new))
                 return -ENOMEM;
 
         if (device->char_data.idal_buf != NULL)
diff --git a/drivers/s390/char/tape_std.c b/drivers/s390/char/tape_std.c
index 2a1af4e60be0..cc8fd781ee22 100644
--- a/drivers/s390/char/tape_std.c
+++ b/drivers/s390/char/tape_std.c
@@ -248,7 +248,7 @@ tape_std_mtsetblk(struct tape_device *device, int count)
 
         /* Allocate a new idal buffer. */
         new = idal_buffer_alloc(count, 0);
-        if (new == NULL)
+        if (IS_ERR(new))
                 return -ENOMEM;
         if (device->char_data.idal_buf != NULL)
                 idal_buffer_free(device->char_data.idal_buf);
diff --git a/drivers/s390/cio/ccwgroup.c b/drivers/s390/cio/ccwgroup.c
index 26a930e832bd..e0ce65fca4e7 100644
--- a/drivers/s390/cio/ccwgroup.c
+++ b/drivers/s390/cio/ccwgroup.c
@@ -112,8 +112,10 @@ ccwgroup_release (struct device *dev)
         gdev = to_ccwgroupdev(dev);
 
         for (i = 0; i < gdev->count; i++) {
-                dev_set_drvdata(&gdev->cdev[i]->dev, NULL);
-                put_device(&gdev->cdev[i]->dev);
+                if (gdev->cdev[i]) {
+                        dev_set_drvdata(&gdev->cdev[i]->dev, NULL);
+                        put_device(&gdev->cdev[i]->dev);
+                }
         }
         kfree(gdev);
 }
@@ -221,6 +223,13 @@ int ccwgroup_create_from_string(struct device *root, unsigned int creator_id,
         atomic_set(&gdev->onoff, 0);
         mutex_init(&gdev->reg_mutex);
         mutex_lock(&gdev->reg_mutex);
+        gdev->creator_id = creator_id;
+        gdev->count = num_devices;
+        gdev->dev.bus = &ccwgroup_bus_type;
+        gdev->dev.parent = root;
+        gdev->dev.release = ccwgroup_release;
+        device_initialize(&gdev->dev);
+
         curr_buf = buf;
         for (i = 0; i < num_devices && curr_buf; i++) {
                 rc = __get_next_bus_id(&curr_buf, tmp_bus_id);
@@ -258,16 +267,11 @@ int ccwgroup_create_from_string(struct device *root, unsigned int creator_id,
                 rc = -EINVAL;
                 goto error;
         }
-        gdev->creator_id = creator_id;
-        gdev->count = num_devices;
-        gdev->dev.bus = &ccwgroup_bus_type;
-        gdev->dev.parent = root;
-        gdev->dev.release = ccwgroup_release;
 
         snprintf (gdev->dev.bus_id, BUS_ID_SIZE, "%s",
                         gdev->cdev[0]->dev.bus_id);
 
-        rc = device_register(&gdev->dev);
+        rc = device_add(&gdev->dev);
         if (rc)
                 goto error;
         get_device(&gdev->dev);
diff --git a/drivers/s390/cio/css.c b/drivers/s390/cio/css.c
index 46c021d880dc..51489eff6b0b 100644
--- a/drivers/s390/cio/css.c
+++ b/drivers/s390/cio/css.c
@@ -477,7 +477,6 @@ void css_schedule_eval_all(void)
 
 void css_wait_for_slow_path(void)
 {
-        flush_workqueue(ccw_device_notify_work);
         flush_workqueue(slow_path_wq);
 }
 
diff --git a/drivers/s390/cio/device.c b/drivers/s390/cio/device.c
index e818d0c54c09..28221030b886 100644
--- a/drivers/s390/cio/device.c
+++ b/drivers/s390/cio/device.c
@@ -150,7 +150,6 @@ static struct css_driver io_subchannel_driver = {
 };
 
 struct workqueue_struct *ccw_device_work;
-struct workqueue_struct *ccw_device_notify_work;
 wait_queue_head_t ccw_device_init_wq;
 atomic_t ccw_device_init_count;
 
@@ -168,11 +167,6 @@ init_ccw_bus_type (void)
         ccw_device_work = create_singlethread_workqueue("cio");
         if (!ccw_device_work)
                 return -ENOMEM; /* FIXME: better errno ? */
-        ccw_device_notify_work = create_singlethread_workqueue("cio_notify");
-        if (!ccw_device_notify_work) {
-                ret = -ENOMEM; /* FIXME: better errno ? */
-                goto out_err;
-        }
         slow_path_wq = create_singlethread_workqueue("kslowcrw");
         if (!slow_path_wq) {
                 ret = -ENOMEM; /* FIXME: better errno ? */
@@ -192,8 +186,6 @@ init_ccw_bus_type (void)
 out_err:
         if (ccw_device_work)
                 destroy_workqueue(ccw_device_work);
-        if (ccw_device_notify_work)
-                destroy_workqueue(ccw_device_notify_work);
         if (slow_path_wq)
                 destroy_workqueue(slow_path_wq);
         return ret;
@@ -204,7 +196,6 @@ cleanup_ccw_bus_type (void)
 {
         css_driver_unregister(&io_subchannel_driver);
         bus_unregister(&ccw_bus_type);
-        destroy_workqueue(ccw_device_notify_work);
         destroy_workqueue(ccw_device_work);
 }
 
@@ -1496,11 +1487,22 @@ static void device_set_disconnected(struct ccw_device *cdev)
                 ccw_device_schedule_recovery();
 }
 
+void ccw_device_set_notoper(struct ccw_device *cdev)
+{
+        struct subchannel *sch = to_subchannel(cdev->dev.parent);
+
+        CIO_TRACE_EVENT(2, "notoper");
+        CIO_TRACE_EVENT(2, sch->dev.bus_id);
+        ccw_device_set_timeout(cdev, 0);
+        cio_disable_subchannel(sch);
+        cdev->private->state = DEV_STATE_NOT_OPER;
+}
+
 static int io_subchannel_sch_event(struct subchannel *sch, int slow)
 {
         int event, ret, disc;
         unsigned long flags;
-        enum { NONE, UNREGISTER, UNREGISTER_PROBE, REPROBE } action;
+        enum { NONE, UNREGISTER, UNREGISTER_PROBE, REPROBE, DISC } action;
         struct ccw_device *cdev;
 
         spin_lock_irqsave(sch->lock, flags);
@@ -1535,16 +1537,11 @@ static int io_subchannel_sch_event(struct subchannel *sch, int slow)
                 }
                 /* fall through */
         case CIO_GONE:
-                /* Prevent unwanted effects when opening lock. */
-                cio_disable_subchannel(sch);
-                device_set_disconnected(cdev);
                 /* Ask driver what to do with device. */
-                action = UNREGISTER;
-                spin_unlock_irqrestore(sch->lock, flags);
-                ret = io_subchannel_notify(sch, event);
-                spin_lock_irqsave(sch->lock, flags);
-                if (ret)
-                        action = NONE;
+                if (io_subchannel_notify(sch, event))
+                        action = DISC;
+                else
+                        action = UNREGISTER;
                 break;
         case CIO_REVALIDATE:
                 /* Device will be removed, so no notify necessary. */
@@ -1565,6 +1562,7 @@ static int io_subchannel_sch_event(struct subchannel *sch, int slow)
         switch (action) {
         case UNREGISTER:
         case UNREGISTER_PROBE:
+                ccw_device_set_notoper(cdev);
                 /* Unregister device (will use subchannel lock). */
                 spin_unlock_irqrestore(sch->lock, flags);
                 css_sch_device_unregister(sch);
@@ -1577,6 +1575,9 @@ static int io_subchannel_sch_event(struct subchannel *sch, int slow)
         case REPROBE:
                 ccw_device_trigger_reprobe(cdev);
                 break;
+        case DISC:
+                device_set_disconnected(cdev);
+                break;
         default:
                 break;
         }
@@ -1828,5 +1829,4 @@ EXPORT_SYMBOL(ccw_driver_unregister);
 EXPORT_SYMBOL(get_ccwdev_by_busid);
 EXPORT_SYMBOL(ccw_bus_type);
 EXPORT_SYMBOL(ccw_device_work);
-EXPORT_SYMBOL(ccw_device_notify_work);
 EXPORT_SYMBOL_GPL(ccw_device_get_subchannel_id);
diff --git a/drivers/s390/cio/device.h b/drivers/s390/cio/device.h
index 9800a8335a3f..6f5c3f2b3587 100644
--- a/drivers/s390/cio/device.h
+++ b/drivers/s390/cio/device.h
@@ -72,7 +72,6 @@ dev_fsm_final_state(struct ccw_device *cdev)
 }
 
 extern struct workqueue_struct *ccw_device_work;
-extern struct workqueue_struct *ccw_device_notify_work;
 extern wait_queue_head_t ccw_device_init_wq;
 extern atomic_t ccw_device_init_count;
 
@@ -120,6 +119,7 @@ int ccw_device_stlck(struct ccw_device *);
 void ccw_device_trigger_reprobe(struct ccw_device *);
 void ccw_device_kill_io(struct ccw_device *);
 int ccw_device_notify(struct ccw_device *, int);
+void ccw_device_set_notoper(struct ccw_device *cdev);
 
 /* qdio needs this. */
 void ccw_device_set_timeout(struct ccw_device *, int);
diff --git a/drivers/s390/cio/device_fsm.c b/drivers/s390/cio/device_fsm.c
index 8b5fe57fb2f3..550508df952b 100644
--- a/drivers/s390/cio/device_fsm.c
+++ b/drivers/s390/cio/device_fsm.c
@@ -337,26 +337,34 @@ int ccw_device_notify(struct ccw_device *cdev, int event)
                 return 0;
         if (!cdev->online)
                 return 0;
+        CIO_MSG_EVENT(2, "notify called for 0.%x.%04x, event=%d\n",
+                      cdev->private->dev_id.ssid, cdev->private->dev_id.devno,
+                      event);
         return cdev->drv->notify ? cdev->drv->notify(cdev, event) : 0;
 }
 
-static void
-ccw_device_oper_notify(struct work_struct *work)
+static void cmf_reenable_delayed(struct work_struct *work)
 {
         struct ccw_device_private *priv;
         struct ccw_device *cdev;
-        int ret;
 
         priv = container_of(work, struct ccw_device_private, kick_work);
         cdev = priv->cdev;
-        ret = ccw_device_notify(cdev, CIO_OPER);
-        if (ret) {
+        cmf_reenable(cdev);
+}
+
+static void ccw_device_oper_notify(struct ccw_device *cdev)
+{
+        if (ccw_device_notify(cdev, CIO_OPER)) {
                 /* Reenable channel measurements, if needed. */
-                cmf_reenable(cdev);
-                wake_up(&cdev->private->wait_q);
-        } else
-                /* Driver doesn't want device back. */
-                ccw_device_do_unreg_rereg(work);
+                PREPARE_WORK(&cdev->private->kick_work, cmf_reenable_delayed);
+                queue_work(ccw_device_work, &cdev->private->kick_work);
+                return;
+        }
+        /* Driver doesn't want device back. */
+        ccw_device_set_notoper(cdev);
+        PREPARE_WORK(&cdev->private->kick_work, ccw_device_do_unreg_rereg);
+        queue_work(ccw_device_work, &cdev->private->kick_work);
 }
 
 /*
@@ -386,8 +394,7 @@ ccw_device_done(struct ccw_device *cdev, int state)
 
         if (cdev->private->flags.donotify) {
                 cdev->private->flags.donotify = 0;
-                PREPARE_WORK(&cdev->private->kick_work, ccw_device_oper_notify);
-                queue_work(ccw_device_notify_work, &cdev->private->kick_work);
+                ccw_device_oper_notify(cdev);
         }
         wake_up(&cdev->private->wait_q);
 
diff --git a/drivers/s390/cio/qdio_debug.h b/drivers/s390/cio/qdio_debug.h
index 8484b83698e1..5a4d85b829ad 100644
--- a/drivers/s390/cio/qdio_debug.h
+++ b/drivers/s390/cio/qdio_debug.h
@@ -61,18 +61,18 @@
 
 /* s390dbf views */
 #define QDIO_DBF_SETUP_LEN              8
-#define QDIO_DBF_SETUP_PAGES            4
+#define QDIO_DBF_SETUP_PAGES            8
 #define QDIO_DBF_SETUP_NR_AREAS         1
 
 #define QDIO_DBF_TRACE_LEN              8
 #define QDIO_DBF_TRACE_NR_AREAS         2
 
 #ifdef CONFIG_QDIO_DEBUG
-#define QDIO_DBF_TRACE_PAGES            16
+#define QDIO_DBF_TRACE_PAGES            32
 #define QDIO_DBF_SETUP_LEVEL            6
 #define QDIO_DBF_TRACE_LEVEL            4
 #else /* !CONFIG_QDIO_DEBUG */
-#define QDIO_DBF_TRACE_PAGES            4
+#define QDIO_DBF_TRACE_PAGES            8
 #define QDIO_DBF_SETUP_LEVEL            2
 #define QDIO_DBF_TRACE_LEVEL            2
 #endif /* CONFIG_QDIO_DEBUG */
diff --git a/drivers/s390/cio/qdio_main.c b/drivers/s390/cio/qdio_main.c
index d15648514a0f..e6eabc853422 100644
--- a/drivers/s390/cio/qdio_main.c
+++ b/drivers/s390/cio/qdio_main.c
@@ -330,6 +330,7 @@ static int qdio_siga_output(struct qdio_q *q)
         int cc;
         u32 busy_bit;
         u64 start_time = 0;
+        char dbf_text[15];
 
         QDIO_DBF_TEXT5(0, trace, "sigaout");
         QDIO_DBF_HEX5(0, trace, &q, sizeof(void *));
@@ -338,6 +339,9 @@ static int qdio_siga_output(struct qdio_q *q)
 again:
         cc = qdio_do_siga_output(q, &busy_bit);
         if (queue_type(q) == QDIO_IQDIO_QFMT && cc == 2 && busy_bit) {
+                sprintf(dbf_text, "bb%4x%2x", q->irq_ptr->schid.sch_no, q->nr);
+                QDIO_DBF_TEXT3(0, trace, dbf_text);
+
                 if (!start_time)
                         start_time = get_usecs();
                 else if ((get_usecs() - start_time) < QDIO_BUSY_BIT_PATIENCE)
@@ -748,16 +752,18 @@ static void qdio_kick_outbound_q(struct qdio_q *q)
         rc = qdio_siga_output(q);
         switch (rc) {
         case 0:
-                /* went smooth this time, reset timestamp */
-                q->u.out.timestamp = 0;
-
                 /* TODO: improve error handling for CC=0 case */
 #ifdef CONFIG_QDIO_DEBUG
-                QDIO_DBF_TEXT3(0, trace, "cc2reslv");
-                sprintf(dbf_text, "%4x%2x%2x", q->irq_ptr->schid.sch_no, q->nr,
-                        atomic_read(&q->u.out.busy_siga_counter));
-                QDIO_DBF_TEXT3(0, trace, dbf_text);
+                if (q->u.out.timestamp) {
+                        QDIO_DBF_TEXT3(0, trace, "cc2reslv");
+                        sprintf(dbf_text, "%4x%2x%2x", q->irq_ptr->schid.sch_no,
+                                q->nr,
+                                atomic_read(&q->u.out.busy_siga_counter));
+                        QDIO_DBF_TEXT3(0, trace, dbf_text);
+                }
 #endif /* CONFIG_QDIO_DEBUG */
+                /* went smooth this time, reset timestamp */
+                q->u.out.timestamp = 0;
                 break;
         /* cc=2 and busy bit */
         case (2 | QDIO_ERROR_SIGA_BUSY):
@@ -1066,14 +1072,12 @@ void qdio_int_handler(struct ccw_device *cdev, unsigned long intparm,
         if (IS_ERR(irb)) {
                 switch (PTR_ERR(irb)) {
                 case -EIO:
-                        sprintf(dbf_text, "ierr%4x",
-                                cdev->private->schid.sch_no);
+                        sprintf(dbf_text, "ierr%4x", irq_ptr->schid.sch_no);
                         QDIO_DBF_TEXT2(1, setup, dbf_text);
                         qdio_int_error(cdev);
                         return;
                 case -ETIMEDOUT:
-                        sprintf(dbf_text, "qtoh%4x",
-                                cdev->private->schid.sch_no);
+                        sprintf(dbf_text, "qtoh%4x", irq_ptr->schid.sch_no);
                         QDIO_DBF_TEXT2(1, setup, dbf_text);
                         qdio_int_error(cdev);
                         return;
@@ -1124,8 +1128,10 @@ void qdio_int_handler(struct ccw_device *cdev, unsigned long intparm,
 struct qdio_ssqd_desc *qdio_get_ssqd_desc(struct ccw_device *cdev)
 {
         struct qdio_irq *irq_ptr;
+        char dbf_text[15];
 
-        QDIO_DBF_TEXT0(0, setup, "getssqd");
+        sprintf(dbf_text, "qssq%4x", cdev->private->schid.sch_no);
+        QDIO_DBF_TEXT0(0, setup, dbf_text);
 
         irq_ptr = cdev->private->qdio_data;
         if (!irq_ptr)
@@ -1149,14 +1155,13 @@ int qdio_cleanup(struct ccw_device *cdev, int how)
         char dbf_text[15];
         int rc;
 
+        sprintf(dbf_text, "qcln%4x", cdev->private->schid.sch_no);
+        QDIO_DBF_TEXT0(0, setup, dbf_text);
+
         irq_ptr = cdev->private->qdio_data;
         if (!irq_ptr)
                 return -ENODEV;
 
-        sprintf(dbf_text, "qcln%4x", irq_ptr->schid.sch_no);
-        QDIO_DBF_TEXT1(0, trace, dbf_text);
-        QDIO_DBF_TEXT0(0, setup, dbf_text);
-
         rc = qdio_shutdown(cdev, how);
         if (rc == 0)
                 rc = qdio_free(cdev);
@@ -1191,6 +1196,9 @@ int qdio_shutdown(struct ccw_device *cdev, int how)
         unsigned long flags;
         char dbf_text[15];
 
+        sprintf(dbf_text, "qshu%4x", cdev->private->schid.sch_no);
+        QDIO_DBF_TEXT0(0, setup, dbf_text);
+
         irq_ptr = cdev->private->qdio_data;
         if (!irq_ptr)
                 return -ENODEV;
@@ -1205,10 +1213,6 @@ int qdio_shutdown(struct ccw_device *cdev, int how)
                 return 0;
         }
 
-        sprintf(dbf_text, "qsqs%4x", irq_ptr->schid.sch_no);
-        QDIO_DBF_TEXT1(0, trace, dbf_text);
-        QDIO_DBF_TEXT0(0, setup, dbf_text);
-
         tiqdio_remove_input_queues(irq_ptr);
         qdio_shutdown_queues(cdev);
         qdio_shutdown_debug_entries(irq_ptr, cdev);
@@ -1247,7 +1251,6 @@ no_cleanup:
 
         qdio_set_state(irq_ptr, QDIO_IRQ_STATE_INACTIVE);
         mutex_unlock(&irq_ptr->setup_mutex);
-        module_put(THIS_MODULE);
         if (rc)
                 return rc;
         return 0;
@@ -1263,16 +1266,14 @@ int qdio_free(struct ccw_device *cdev)
         struct qdio_irq *irq_ptr;
         char dbf_text[15];
 
+        sprintf(dbf_text, "qfre%4x", cdev->private->schid.sch_no);
+        QDIO_DBF_TEXT0(0, setup, dbf_text);
+
         irq_ptr = cdev->private->qdio_data;
         if (!irq_ptr)
                 return -ENODEV;
 
         mutex_lock(&irq_ptr->setup_mutex);
-
-        sprintf(dbf_text, "qfqs%4x", irq_ptr->schid.sch_no);
-        QDIO_DBF_TEXT1(0, trace, dbf_text);
-        QDIO_DBF_TEXT0(0, setup, dbf_text);
-
         cdev->private->qdio_data = NULL;
         mutex_unlock(&irq_ptr->setup_mutex);
 
@@ -1295,7 +1296,6 @@ int qdio_initialize(struct qdio_initialize *init_data)
 
         sprintf(dbf_text, "qini%4x", init_data->cdev->private->schid.sch_no);
         QDIO_DBF_TEXT0(0, setup, dbf_text);
-        QDIO_DBF_TEXT0(0, trace, dbf_text);
 
         rc = qdio_allocate(init_data);
         if (rc)
@@ -1319,7 +1319,6 @@ int qdio_allocate(struct qdio_initialize *init_data)
 
         sprintf(dbf_text, "qalc%4x", init_data->cdev->private->schid.sch_no);
         QDIO_DBF_TEXT0(0, setup, dbf_text);
-        QDIO_DBF_TEXT0(0, trace, dbf_text);
 
         if ((init_data->no_input_qs && !init_data->input_handler) ||
             (init_data->no_output_qs && !init_data->output_handler))
@@ -1389,6 +1388,9 @@ int qdio_establish(struct qdio_initialize *init_data)
         unsigned long saveflags;
         int rc;
 
+        sprintf(dbf_text, "qest%4x", cdev->private->schid.sch_no);
+        QDIO_DBF_TEXT0(0, setup, dbf_text);
+
         irq_ptr = cdev->private->qdio_data;
         if (!irq_ptr)
                 return -ENODEV;
@@ -1396,13 +1398,6 @@ int qdio_establish(struct qdio_initialize *init_data)
         if (cdev->private->state != DEV_STATE_ONLINE)
                 return -EINVAL;
 
-        if (!try_module_get(THIS_MODULE))
-                return -EINVAL;
-
-        sprintf(dbf_text, "qest%4x", cdev->private->schid.sch_no);
-        QDIO_DBF_TEXT0(0, setup, dbf_text);
-        QDIO_DBF_TEXT0(0, trace, dbf_text);
-
         mutex_lock(&irq_ptr->setup_mutex);
         qdio_setup_irq(init_data);
 
@@ -1472,6 +1467,9 @@ int qdio_activate(struct ccw_device *cdev)
         unsigned long saveflags;
         char dbf_text[20];
 
+        sprintf(dbf_text, "qact%4x", cdev->private->schid.sch_no);
+        QDIO_DBF_TEXT0(0, setup, dbf_text);
+
         irq_ptr = cdev->private->qdio_data;
         if (!irq_ptr)
                 return -ENODEV;
@@ -1485,10 +1483,6 @@ int qdio_activate(struct ccw_device *cdev)
                 goto out;
         }
 
-        sprintf(dbf_text, "qact%4x", irq_ptr->schid.sch_no);
-        QDIO_DBF_TEXT2(0, setup, dbf_text);
-        QDIO_DBF_TEXT2(0, trace, dbf_text);
-
         irq_ptr->ccw.cmd_code = irq_ptr->aqueue.cmd;
         irq_ptr->ccw.flags = CCW_FLAG_SLI;
         irq_ptr->ccw.count = irq_ptr->aqueue.count;
@@ -1663,7 +1657,7 @@ int do_QDIO(struct ccw_device *cdev, unsigned int callflags,
 #ifdef CONFIG_QDIO_DEBUG
         char dbf_text[20];
 
-        sprintf(dbf_text, "doQD%04x", cdev->private->schid.sch_no);
+        sprintf(dbf_text, "doQD%4x", cdev->private->schid.sch_no);
         QDIO_DBF_TEXT3(0, trace, dbf_text);
 #endif /* CONFIG_QDIO_DEBUG */
 
diff --git a/drivers/s390/cio/qdio_setup.c b/drivers/s390/cio/qdio_setup.c
index 1bd2a208db28..1679e2f91c94 100644
--- a/drivers/s390/cio/qdio_setup.c
+++ b/drivers/s390/cio/qdio_setup.c
@@ -165,7 +165,7 @@ static void setup_queues(struct qdio_irq *irq_ptr,
         void **output_sbal_array = qdio_init->output_sbal_addr_array;
         int i;
 
-        sprintf(dbf_text, "qfqs%4x", qdio_init->cdev->private->schid.sch_no);
+        sprintf(dbf_text, "qset%4x", qdio_init->cdev->private->schid.sch_no);
         QDIO_DBF_TEXT0(0, setup, dbf_text);
 
         for_each_input_queue(irq_ptr, q, i) {
@@ -285,7 +285,7 @@ void qdio_setup_ssqd_info(struct qdio_irq *irq_ptr)
         rc = __get_ssqd_info(irq_ptr);
         if (rc) {
                 QDIO_DBF_TEXT2(0, setup, "ssqdasig");
-                sprintf(dbf_text, "schno%x", irq_ptr->schid.sch_no);
+                sprintf(dbf_text, "schn%4x", irq_ptr->schid.sch_no);
                 QDIO_DBF_TEXT2(0, setup, dbf_text);
                 sprintf(dbf_text, "rc:%d", rc);
                 QDIO_DBF_TEXT2(0, setup, dbf_text);
@@ -447,7 +447,7 @@ void qdio_print_subchannel_info(struct qdio_irq *irq_ptr,
 {
         char s[80];
 
-        sprintf(s, "%s ", cdev->dev.bus_id);
+        sprintf(s, "%s sc:%x ", cdev->dev.bus_id, irq_ptr->schid.sch_no);
 
         switch (irq_ptr->qib.qfmt) {
         case QDIO_QETH_QFMT:
diff --git a/drivers/s390/cio/qdio_thinint.c b/drivers/s390/cio/qdio_thinint.c
index 9291a771d812..ea7f61400267 100644
--- a/drivers/s390/cio/qdio_thinint.c
+++ b/drivers/s390/cio/qdio_thinint.c
@@ -113,7 +113,11 @@ void tiqdio_remove_input_queues(struct qdio_irq *irq_ptr)
         struct qdio_q *q;
         int i;
 
-        for_each_input_queue(irq_ptr, q, i) {
+        for (i = 0; i < irq_ptr->nr_input_qs; i++) {
+                q = irq_ptr->input_qs[i];
+                /* if establish triggered an error */
+                if (!q || !q->entry.prev || !q->entry.next)
+                        continue;
                 list_del_rcu(&q->entry);
                 synchronize_rcu();
         }
diff --git a/drivers/s390/net/ctcm_mpc.c b/drivers/s390/net/ctcm_mpc.c
index 407f816f091b..cbe470493bf0 100644
--- a/drivers/s390/net/ctcm_mpc.c
+++ b/drivers/s390/net/ctcm_mpc.c
@@ -19,7 +19,6 @@
 #undef DEBUGDATA
 #undef DEBUGCCW
 
-#include <linux/version.h>
 #include <linux/module.h>
 #include <linux/init.h>
 #include <linux/kernel.h>
diff --git a/drivers/scsi/dpt/dpti_i2o.h b/drivers/scsi/dpt/dpti_i2o.h
index 19406cea6d6a..179ad77f6cc9 100644
--- a/drivers/scsi/dpt/dpti_i2o.h
+++ b/drivers/scsi/dpt/dpti_i2o.h
@@ -21,7 +21,6 @@
 
 #include <linux/i2o-dev.h>
 
-#include <linux/version.h>
 #include <linux/notifier.h>
 #include <asm/atomic.h>
 
diff --git a/drivers/scsi/ips.c b/drivers/scsi/ips.c
index 7c615c70ec5c..bc9e6ddf41df 100644
--- a/drivers/scsi/ips.c
+++ b/drivers/scsi/ips.c
@@ -165,7 +165,6 @@
 #include <asm/byteorder.h>
 #include <asm/page.h>
 #include <linux/stddef.h>
-#include <linux/version.h>
 #include <linux/string.h>
 #include <linux/errno.h>
 #include <linux/kernel.h>
diff --git a/drivers/scsi/ips.h b/drivers/scsi/ips.h
index e0657b6f009c..4e49fbcfe8af 100644
--- a/drivers/scsi/ips.h
+++ b/drivers/scsi/ips.h
@@ -50,7 +50,6 @@
 #ifndef _IPS_H_
    #define _IPS_H_
 
-#include <linux/version.h>
 #include <linux/nmi.h>
    #include <asm/uaccess.h>
    #include <asm/io.h>
diff --git a/drivers/scsi/lpfc/lpfc_debugfs.c b/drivers/scsi/lpfc/lpfc_debugfs.c
index 90272e65957a..094b47e94b29 100644
--- a/drivers/scsi/lpfc/lpfc_debugfs.c
+++ b/drivers/scsi/lpfc/lpfc_debugfs.c
@@ -27,7 +27,6 @@
 #include <linux/pci.h>
 #include <linux/spinlock.h>
 #include <linux/ctype.h>
-#include <linux/version.h>
 
 #include <scsi/scsi.h>
 #include <scsi/scsi_device.h>
diff --git a/drivers/scsi/nsp32.c b/drivers/scsi/nsp32.c
index edf9fdb3cb3c..22052bb7becb 100644
--- a/drivers/scsi/nsp32.c
+++ b/drivers/scsi/nsp32.c
@@ -23,7 +23,6 @@
  *   1.2: PowerPC (big endian) support.
  */
 
-#include <linux/version.h>
 #include <linux/module.h>
 #include <linux/init.h>
 #include <linux/kernel.h>
diff --git a/drivers/scsi/nsp32.h b/drivers/scsi/nsp32.h
index 6715ecb3bfca..9565acf1aa72 100644
--- a/drivers/scsi/nsp32.h
+++ b/drivers/scsi/nsp32.h
@@ -16,7 +16,6 @@
 #ifndef _NSP32_H
 #define _NSP32_H
 
-#include <linux/version.h>
 //#define NSP32_DEBUG 9
 
 /*
diff --git a/drivers/scsi/pcmcia/nsp_cs.c b/drivers/scsi/pcmcia/nsp_cs.c
index a221b6ef9fa9..24e6cb8396e3 100644
--- a/drivers/scsi/pcmcia/nsp_cs.c
+++ b/drivers/scsi/pcmcia/nsp_cs.c
@@ -25,7 +25,6 @@
 
 ***********************************************************************/
 
-#include <linux/version.h>
 #include <linux/module.h>
 #include <linux/kernel.h>
 #include <linux/init.h>
diff --git a/drivers/scsi/qla2xxx/qla_mid.c b/drivers/scsi/qla2xxx/qla_mid.c
index 50baf6a1d67c..93560cd72784 100644
--- a/drivers/scsi/qla2xxx/qla_mid.c
+++ b/drivers/scsi/qla2xxx/qla_mid.c
@@ -6,7 +6,6 @@
  */
 #include "qla_def.h"
 
-#include <linux/version.h>
 #include <linux/moduleparam.h>
 #include <linux/vmalloc.h>
 #include <linux/smp_lock.h>
diff --git a/drivers/scsi/sg.c b/drivers/scsi/sg.c
index 3d36270a8b4d..661f9f21650a 100644
--- a/drivers/scsi/sg.c
+++ b/drivers/scsi/sg.c
@@ -217,6 +217,18 @@ static int sg_last_dev(void);
 #define SZ_SG_IOVEC sizeof(sg_iovec_t)
 #define SZ_SG_REQ_INFO sizeof(sg_req_info_t)
 
+static int sg_allow_access(struct file *filp, unsigned char *cmd)
+{
+        struct sg_fd *sfp = (struct sg_fd *)filp->private_data;
+        struct request_queue *q = sfp->parentdp->device->request_queue;
+
+        if (sfp->parentdp->device->type == TYPE_SCANNER)
+                return 0;
+
+        return blk_verify_command(&q->cmd_filter,
+                                  cmd, filp->f_mode & FMODE_WRITE);
+}
+
 static int
 sg_open(struct inode *inode, struct file *filp)
 {
@@ -689,7 +701,7 @@ sg_new_write(Sg_fd *sfp, struct file *file, const char __user *buf,
                 sg_remove_request(sfp, srp);
                 return -EFAULT;
         }
-        if (read_only && !blk_verify_command(file, cmnd)) {
+        if (read_only && sg_allow_access(file, cmnd)) {
                 sg_remove_request(sfp, srp);
                 return -EPERM;
         }
@@ -793,6 +805,7 @@ sg_ioctl(struct inode *inode, struct file *filp,
 
         if ((!(sfp = (Sg_fd *) filp->private_data)) || (!(sdp = sfp->parentdp)))
                 return -ENXIO;
+
         SCSI_LOG_TIMEOUT(3, printk("sg_ioctl: %s, cmd=0x%x\n",
                                    sdp->disk->disk_name, (int) cmd_in));
         read_only = (O_RDWR != (filp->f_flags & O_ACCMODE));
@@ -1061,7 +1074,7 @@ sg_ioctl(struct inode *inode, struct file *filp,
 
                         if (copy_from_user(&opcode, siocp->data, 1))
                                 return -EFAULT;
-                        if (!blk_verify_command(filp, &opcode))
+                        if (sg_allow_access(filp, &opcode))
                                 return -EPERM;
                 }
                 return sg_scsi_ioctl(filp, sdp->device->request_queue, NULL, p);
diff --git a/drivers/uio/Kconfig b/drivers/uio/Kconfig
index 2e9079df26b3..4190be64917f 100644
--- a/drivers/uio/Kconfig
+++ b/drivers/uio/Kconfig
@@ -33,6 +33,19 @@ config UIO_PDRV
 
           If you don't know what to do here, say N.
 
+config UIO_PDRV_GENIRQ
+        tristate "Userspace I/O platform driver with generic IRQ handling"
+        help
+          Platform driver for Userspace I/O devices, including generic
+          interrupt handling code. Shared interrupts are not supported.
+
+          This kernel driver requires that the matching userspace driver
+          handles interrupts in a special way. Userspace is responsible
+          for acknowledging the hardware device if needed, and re-enabling
+          interrupts in the interrupt controller using the write() syscall.
+
+          If you don't know what to do here, say N.
+
 config UIO_SMX
         tristate "SMX cryptengine UIO interface"
         default n
diff --git a/drivers/uio/Makefile b/drivers/uio/Makefile
index e00ce0def1a0..8667bbdef904 100644
--- a/drivers/uio/Makefile
+++ b/drivers/uio/Makefile
@@ -1,4 +1,5 @@
 obj-$(CONFIG_UIO)       += uio.o
 obj-$(CONFIG_UIO_CIF)   += uio_cif.o
 obj-$(CONFIG_UIO_PDRV)  += uio_pdrv.o
+obj-$(CONFIG_UIO_PDRV_GENIRQ)   += uio_pdrv_genirq.o
 obj-$(CONFIG_UIO_SMX)   += uio_smx.o
diff --git a/drivers/uio/uio_pdrv.c b/drivers/uio/uio_pdrv.c
index 5d0d2e85d982..0b4ef39cd85d 100644
--- a/drivers/uio/uio_pdrv.c
+++ b/drivers/uio/uio_pdrv.c
@@ -88,6 +88,8 @@ static int uio_pdrv_remove(struct platform_device *pdev)
 
         uio_unregister_device(pdata->uioinfo);
 
+        kfree(pdata);
+
         return 0;
 }
 
@@ -114,5 +116,5 @@ module_exit(uio_pdrv_exit);
 
 MODULE_AUTHOR("Uwe Kleine-Koenig");
 MODULE_DESCRIPTION("Userspace I/O platform driver");
-MODULE_LICENSE("GPL");
+MODULE_LICENSE("GPL v2");
 MODULE_ALIAS("platform:" DRIVER_NAME);
diff --git a/drivers/uio/uio_pdrv_genirq.c b/drivers/uio/uio_pdrv_genirq.c
new file mode 100644
index 000000000000..1f82c83a92ae
--- /dev/null
+++ b/drivers/uio/uio_pdrv_genirq.c
@@ -0,0 +1,188 @@
+/*
+ * drivers/uio/uio_pdrv_genirq.c
+ *
+ * Userspace I/O platform driver with generic IRQ handling code.
+ *
+ * Copyright (C) 2008 Magnus Damm
+ *
+ * Based on uio_pdrv.c by Uwe Kleine-Koenig,
+ * Copyright (C) 2008 by Digi International Inc.
+ * All rights reserved.
+ *
+ * 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/platform_device.h>
+#include <linux/uio_driver.h>
+#include <linux/spinlock.h>
+#include <linux/bitops.h>
+#include <linux/interrupt.h>
+#include <linux/stringify.h>
+
+#define DRIVER_NAME "uio_pdrv_genirq"
+
+struct uio_pdrv_genirq_platdata {
+        struct uio_info *uioinfo;
+        spinlock_t lock;
+        unsigned long flags;
+};
+
+static irqreturn_t uio_pdrv_genirq_handler(int irq, struct uio_info *dev_info)
+{
+        struct uio_pdrv_genirq_platdata *priv = dev_info->priv;
+
+        /* Just disable the interrupt in the interrupt controller, and
+         * remember the state so we can allow user space to enable it later.
+         */
+
+        if (!test_and_set_bit(0, &priv->flags))
+                disable_irq_nosync(irq);
+
+        return IRQ_HANDLED;
+}
+
+static int uio_pdrv_genirq_irqcontrol(struct uio_info *dev_info, s32 irq_on)
+{
+        struct uio_pdrv_genirq_platdata *priv = dev_info->priv;
+        unsigned long flags;
+
+        /* Allow user space to enable and disable the interrupt
+         * in the interrupt controller, but keep track of the
+         * state to prevent per-irq depth damage.
+         *
+         * Serialize this operation to support multiple tasks.
+         */
+
+        spin_lock_irqsave(&priv->lock, flags);
+        if (irq_on) {
+                if (test_and_clear_bit(0, &priv->flags))
+                        enable_irq(dev_info->irq);
+        } else {
+                if (!test_and_set_bit(0, &priv->flags))
+                        disable_irq(dev_info->irq);
+        }
+        spin_unlock_irqrestore(&priv->lock, flags);
+
+        return 0;
+}
+
+static int uio_pdrv_genirq_probe(struct platform_device *pdev)
+{
+        struct uio_info *uioinfo = pdev->dev.platform_data;
+        struct uio_pdrv_genirq_platdata *priv;
+        struct uio_mem *uiomem;
+        int ret = -EINVAL;
+        int i;
+
+        if (!uioinfo || !uioinfo->name || !uioinfo->version) {
+                dev_err(&pdev->dev, "missing platform_data\n");
+                goto bad0;
+        }
+
+        if (uioinfo->handler || uioinfo->irqcontrol || uioinfo->irq_flags) {
+                dev_err(&pdev->dev, "interrupt configuration error\n");
+                goto bad0;
+        }
+
+        priv = kzalloc(sizeof(*priv), GFP_KERNEL);
+        if (!priv) {
+                ret = -ENOMEM;
+                dev_err(&pdev->dev, "unable to kmalloc\n");
+                goto bad0;
+        }
+
+        priv->uioinfo = uioinfo;
+        spin_lock_init(&priv->lock);
+        priv->flags = 0; /* interrupt is enabled to begin with */
+
+        uiomem = &uioinfo->mem[0];
+
+        for (i = 0; i < pdev->num_resources; ++i) {
+                struct resource *r = &pdev->resource[i];
+
+                if (r->flags != IORESOURCE_MEM)
+                        continue;
+
+                if (uiomem >= &uioinfo->mem[MAX_UIO_MAPS]) {
+                        dev_warn(&pdev->dev, "device has more than "
+                                        __stringify(MAX_UIO_MAPS)
+                                        " I/O memory resources.\n");
+                        break;
+                }
+
+                uiomem->memtype = UIO_MEM_PHYS;
+                uiomem->addr = r->start;
+                uiomem->size = r->end - r->start + 1;
+                ++uiomem;
+        }
+
+        while (uiomem < &uioinfo->mem[MAX_UIO_MAPS]) {
+                uiomem->size = 0;
+                ++uiomem;
+        }
+
+        /* This driver requires no hardware specific kernel code to handle
+         * interrupts. Instead, the interrupt handler simply disables the
+         * interrupt in the interrupt controller. User space is responsible
+         * for performing hardware specific acknowledge and re-enabling of
+         * the interrupt in the interrupt controller.
+         *
+         * Interrupt sharing is not supported.
+         */
+
+        uioinfo->irq_flags = IRQF_DISABLED;
+        uioinfo->handler = uio_pdrv_genirq_handler;
+        uioinfo->irqcontrol = uio_pdrv_genirq_irqcontrol;
+        uioinfo->priv = priv;
+
+        ret = uio_register_device(&pdev->dev, priv->uioinfo);
+        if (ret) {
+                dev_err(&pdev->dev, "unable to register uio device\n");
+                goto bad1;
+        }
+
+        platform_set_drvdata(pdev, priv);
+        return 0;
+ bad1:
+        kfree(priv);
+ bad0:
+        return ret;
+}
+
+static int uio_pdrv_genirq_remove(struct platform_device *pdev)
+{
+        struct uio_pdrv_genirq_platdata *priv = platform_get_drvdata(pdev);
+
+        uio_unregister_device(priv->uioinfo);
+        kfree(priv);
+        return 0;
+}
+
+static struct platform_driver uio_pdrv_genirq = {
+        .probe = uio_pdrv_genirq_probe,
+        .remove = uio_pdrv_genirq_remove,
+        .driver = {
+                .name = DRIVER_NAME,
+                .owner = THIS_MODULE,
+        },
+};
+
+static int __init uio_pdrv_genirq_init(void)
+{
+        return platform_driver_register(&uio_pdrv_genirq);
+}
+
+static void __exit uio_pdrv_genirq_exit(void)
+{
+        platform_driver_unregister(&uio_pdrv_genirq);
+}
+
+module_init(uio_pdrv_genirq_init);
+module_exit(uio_pdrv_genirq_exit);
+
+MODULE_AUTHOR("Magnus Damm");
+MODULE_DESCRIPTION("Userspace I/O platform driver with generic IRQ handling");
+MODULE_LICENSE("GPL v2");
+MODULE_ALIAS("platform:" DRIVER_NAME);
diff --git a/drivers/usb/atm/ueagle-atm.c b/drivers/usb/atm/ueagle-atm.c
index cb01b5106efd..b6483dd98acc 100644
--- a/drivers/usb/atm/ueagle-atm.c
+++ b/drivers/usb/atm/ueagle-atm.c
@@ -64,7 +64,6 @@
 #include <linux/ctype.h>
 #include <linux/sched.h>
 #include <linux/kthread.h>
-#include <linux/version.h>
 #include <linux/mutex.h>
 #include <linux/freezer.h>
 
diff --git a/drivers/usb/class/cdc-acm.c b/drivers/usb/class/cdc-acm.c
index efc4373ededb..c257453fa9de 100644
--- a/drivers/usb/class/cdc-acm.c
+++ b/drivers/usb/class/cdc-acm.c
@@ -589,8 +589,8 @@ static int acm_tty_open(struct tty_struct *tty, struct file *filp)
         tasklet_schedule(&acm->urb_task);
 
 done:
-err_out:
         mutex_unlock(&acm->mutex);
+err_out:
         mutex_unlock(&open_mutex);
         return rv;
 
@@ -1362,6 +1362,9 @@ static struct usb_device_id acm_ids[] = {
         { USB_DEVICE(0x0803, 0x3095), /* Zoom Telephonics Model 3095F USB MODEM */
         .driver_info = NO_UNION_NORMAL, /* has no union descriptor */
         },
+        { USB_DEVICE(0x0572, 0x1321), /* Conexant USB MODEM CX93010 */
+        .driver_info = NO_UNION_NORMAL, /* has no union descriptor */
+        },
 
         /* control interfaces with various AT-command sets */
         { USB_INTERFACE_INFO(USB_CLASS_COMM, USB_CDC_SUBCLASS_ACM,
diff --git a/drivers/usb/core/driver.c b/drivers/usb/core/driver.c
index 2be37fe466f2..5a7fa6f09958 100644
--- a/drivers/usb/core/driver.c
+++ b/drivers/usb/core/driver.c
@@ -230,6 +230,13 @@ static int usb_probe_interface(struct device *dev)
                  */
                 intf->pm_usage_cnt = !(driver->supports_autosuspend);
 
+                /* Carry out a deferred switch to altsetting 0 */
+                if (intf->needs_altsetting0) {
+                        usb_set_interface(udev, intf->altsetting[0].
+                                        desc.bInterfaceNumber, 0);
+                        intf->needs_altsetting0 = 0;
+                }
+
                 error = driver->probe(intf, id);
                 if (error) {
                         mark_quiesced(intf);
@@ -266,8 +273,17 @@ static int usb_unbind_interface(struct device *dev)
 
         driver->disconnect(intf);
 
-        /* reset other interface state */
-        usb_set_interface(udev, intf->altsetting[0].desc.bInterfaceNumber, 0);
+        /* Reset other interface state.
+         * We cannot do a Set-Interface if the device is suspended or
+         * if it is prepared for a system sleep (since installing a new
+         * altsetting means creating new endpoint device entries).
+         * When either of these happens, defer the Set-Interface.
+         */
+        if (!error && intf->dev.power.status == DPM_ON)
+                usb_set_interface(udev, intf->altsetting[0].
+                                desc.bInterfaceNumber, 0);
+        else
+                intf->needs_altsetting0 = 1;
         usb_set_intfdata(intf, NULL);
 
         intf->condition = USB_INTERFACE_UNBOUND;
@@ -798,7 +814,8 @@ void usb_forced_unbind_intf(struct usb_interface *intf)
  * The caller must hold @intf's device's lock, but not its pm_mutex
  * and not @intf->dev.sem.
  *
- * FIXME: The caller must block system sleep transitions.
+ * Note: Rebinds will be skipped if a system sleep transition is in
+ * progress and the PM "complete" callback hasn't occurred yet.
  */
 void usb_rebind_intf(struct usb_interface *intf)
 {
@@ -814,10 +831,12 @@ void usb_rebind_intf(struct usb_interface *intf)
         }
 
         /* Try to rebind the interface */
-        intf->needs_binding = 0;
-        rc = device_attach(&intf->dev);
-        if (rc < 0)
-                dev_warn(&intf->dev, "rebind failed: %d\n", rc);
+        if (intf->dev.power.status == DPM_ON) {
+                intf->needs_binding = 0;
+                rc = device_attach(&intf->dev);
+                if (rc < 0)
+                        dev_warn(&intf->dev, "rebind failed: %d\n", rc);
+        }
 }
 
 #ifdef CONFIG_PM
@@ -829,7 +848,6 @@ void usb_rebind_intf(struct usb_interface *intf)
  * or rebind interfaces that have been unbound, according to @action.
  *
  * The caller must hold @udev's device lock.
- * FIXME: For rebinds, the caller must block system sleep transitions.
  */
 static void do_unbind_rebind(struct usb_device *udev, int action)
 {
@@ -851,22 +869,8 @@ static void do_unbind_rebind(struct usb_device *udev, int action)
                                 }
                                 break;
                         case DO_REBIND:
-                                if (intf->needs_binding) {
-
-        /* FIXME: The next line is needed because we are going to probe
-         * the interface, but as far as the PM core is concerned the
-         * interface is still suspended.  The problem wouldn't exist
-         * if we could rebind the interface during the interface's own
-         * resume() call, but at the time the usb_device isn't locked!
-         *
-         * The real solution will be to carry this out during the device's
-         * complete() callback.  Until that is implemented, we have to
-         * use this hack.
-         */
-//                                      intf->dev.power.sleeping = 0;
-
+                                if (intf->needs_binding)
                                         usb_rebind_intf(intf);
-                                }
                                 break;
                         }
                 }
@@ -926,14 +930,14 @@ static int usb_resume_device(struct usb_device *udev)
 }
 
 /* Caller has locked intf's usb_device's pm mutex */
-static int usb_suspend_interface(struct usb_interface *intf, pm_message_t msg)
+static int usb_suspend_interface(struct usb_device *udev,
+                struct usb_interface *intf, pm_message_t msg)
 {
         struct usb_driver       *driver;
         int                     status = 0;
 
         /* with no hardware, USB interfaces only use FREEZE and ON states */
-        if (interface_to_usbdev(intf)->state == USB_STATE_NOTATTACHED ||
-                        !is_active(intf))
+        if (udev->state == USB_STATE_NOTATTACHED || !is_active(intf))
                 goto done;
 
         if (intf->condition == USB_INTERFACE_UNBOUND)   /* This can't happen */
@@ -944,7 +948,7 @@ static int usb_suspend_interface(struct usb_interface *intf, pm_message_t msg)
                 status = driver->suspend(intf, msg);
                 if (status == 0)
                         mark_quiesced(intf);
-                else if (!interface_to_usbdev(intf)->auto_pm)
+                else if (!udev->auto_pm)
                         dev_err(&intf->dev, "%s error %d\n",
                                         "suspend", status);
         } else {
@@ -961,13 +965,13 @@ static int usb_suspend_interface(struct usb_interface *intf, pm_message_t msg)
 }
 
 /* Caller has locked intf's usb_device's pm_mutex */
-static int usb_resume_interface(struct usb_interface *intf, int reset_resume)
+static int usb_resume_interface(struct usb_device *udev,
+                struct usb_interface *intf, int reset_resume)
 {
         struct usb_driver       *driver;
         int                     status = 0;
 
-        if (interface_to_usbdev(intf)->state == USB_STATE_NOTATTACHED ||
-                        is_active(intf))
+        if (udev->state == USB_STATE_NOTATTACHED || is_active(intf))
                 goto done;
 
         /* Don't let autoresume interfere with unbinding */
@@ -975,8 +979,17 @@ static int usb_resume_interface(struct usb_interface *intf, int reset_resume)
                 goto done;
 
         /* Can't resume it if it doesn't have a driver. */
-        if (intf->condition == USB_INTERFACE_UNBOUND)
+        if (intf->condition == USB_INTERFACE_UNBOUND) {
+
+                /* Carry out a deferred switch to altsetting 0 */
+                if (intf->needs_altsetting0 &&
+                                intf->dev.power.status == DPM_ON) {
+                        usb_set_interface(udev, intf->altsetting[0].
+                                        desc.bInterfaceNumber, 0);
+                        intf->needs_altsetting0 = 0;
+                }
                 goto done;
+        }
 
         /* Don't resume if the interface is marked for rebinding */
         if (intf->needs_binding)
@@ -1151,7 +1164,7 @@ static int usb_suspend_both(struct usb_device *udev, pm_message_t msg)
         if (udev->actconfig) {
                 for (; i < udev->actconfig->desc.bNumInterfaces; i++) {
                         intf = udev->actconfig->interface[i];
-                        status = usb_suspend_interface(intf, msg);
+                        status = usb_suspend_interface(udev, intf, msg);
                         if (status != 0)
                                 break;
                 }
@@ -1163,7 +1176,7 @@ static int usb_suspend_both(struct usb_device *udev, pm_message_t msg)
         if (status != 0) {
                 while (--i >= 0) {
                         intf = udev->actconfig->interface[i];
-                        usb_resume_interface(intf, 0);
+                        usb_resume_interface(udev, intf, 0);
                 }
 
                 /* Try another autosuspend when the interfaces aren't busy */
@@ -1276,7 +1289,7 @@ static int usb_resume_both(struct usb_device *udev)
         if (status == 0 && udev->actconfig) {
                 for (i = 0; i < udev->actconfig->desc.bNumInterfaces; i++) {
                         intf = udev->actconfig->interface[i];
-                        usb_resume_interface(intf, udev->reset_resume);
+                        usb_resume_interface(udev, intf, udev->reset_resume);
                 }
         }
 
@@ -1605,12 +1618,10 @@ int usb_external_resume_device(struct usb_device *udev)
         return status;
 }
 
-static int usb_suspend(struct device *dev, pm_message_t message)
+int usb_suspend(struct device *dev, pm_message_t message)
 {
         struct usb_device       *udev;
 
-        if (!is_usb_device(dev))        /* Ignore PM for interfaces */
-                return 0;
         udev = to_usb_device(dev);
 
         /* If udev is already suspended, we can skip this suspend and
@@ -1629,12 +1640,10 @@ static int usb_suspend(struct device *dev, pm_message_t message)
         return usb_external_suspend_device(udev, message);
 }
 
-static int usb_resume(struct device *dev)
+int usb_resume(struct device *dev)
 {
         struct usb_device       *udev;
 
-        if (!is_usb_device(dev))        /* Ignore PM for interfaces */
-                return 0;
         udev = to_usb_device(dev);
 
         /* If udev->skip_sys_resume is set then udev was already suspended
@@ -1646,17 +1655,10 @@ static int usb_resume(struct device *dev)
         return usb_external_resume_device(udev);
 }
 
-#else
-
-#define usb_suspend     NULL
-#define usb_resume      NULL
-
 #endif /* CONFIG_PM */
 
 struct bus_type usb_bus_type = {
         .name =         "usb",
         .match =        usb_device_match,
         .uevent =       usb_uevent,
-        .suspend =      usb_suspend,
-        .resume =       usb_resume,
 };
diff --git a/drivers/usb/core/hcd.c b/drivers/usb/core/hcd.c
index f7bfd72ef115..8abd4e59bf4a 100644
--- a/drivers/usb/core/hcd.c
+++ b/drivers/usb/core/hcd.c
@@ -924,15 +924,6 @@ static int register_root_hub(struct usb_hcd *hcd)
         return retval;
 }
 
-void usb_enable_root_hub_irq (struct usb_bus *bus)
-{
-        struct usb_hcd *hcd;
-
-        hcd = container_of (bus, struct usb_hcd, self);
-        if (hcd->driver->hub_irq_enable && hcd->state != HC_STATE_HALT)
-                hcd->driver->hub_irq_enable (hcd);
-}
-
 
 /*-------------------------------------------------------------------------*/
 
diff --git a/drivers/usb/core/hcd.h b/drivers/usb/core/hcd.h
index 5b0b59b0d89b..e710ce04e228 100644
--- a/drivers/usb/core/hcd.h
+++ b/drivers/usb/core/hcd.h
@@ -212,8 +212,6 @@ struct hc_driver {
         int     (*bus_suspend)(struct usb_hcd *);
         int     (*bus_resume)(struct usb_hcd *);
         int     (*start_port_reset)(struct usb_hcd *, unsigned port_num);
-        void    (*hub_irq_enable)(struct usb_hcd *);
-                /* Needed only if port-change IRQs are level-triggered */
 
                 /* force handover of high-speed port to full-speed companion */
         void    (*relinquish_port)(struct usb_hcd *, int);
@@ -379,8 +377,6 @@ extern struct list_head usb_bus_list;
 extern struct mutex usb_bus_list_lock;
 extern wait_queue_head_t usb_kill_urb_queue;
 
-extern void usb_enable_root_hub_irq(struct usb_bus *bus);
-
 extern int usb_find_interface_driver(struct usb_device *dev,
         struct usb_interface *interface);
 
diff --git a/drivers/usb/core/hub.c b/drivers/usb/core/hub.c
index 107e1d25ddec..6a5cb018383d 100644
--- a/drivers/usb/core/hub.c
+++ b/drivers/usb/core/hub.c
@@ -2102,8 +2102,6 @@ int usb_port_resume(struct usb_device *udev)
         }
 
         clear_bit(port1, hub->busy_bits);
-        if (!hub->hdev->parent && !hub->busy_bits[0])
-                usb_enable_root_hub_irq(hub->hdev->bus);
 
         status = check_port_resume_type(udev,
                         hub, port1, status, portchange, portstatus);
@@ -3081,11 +3079,6 @@ static void hub_events(void)
                         }
                 }
 
-                /* If this is a root hub, tell the HCD it's okay to
-                 * re-enable port-change interrupts now. */
-                if (!hdev->parent && !hub->busy_bits[0])
-                        usb_enable_root_hub_irq(hdev->bus);
-
 loop_autopm:
                 /* Allow autosuspend if we're not going to run again */
                 if (list_empty(&hub->event_list))
@@ -3311,8 +3304,6 @@ static int usb_reset_and_verify_device(struct usb_device *udev)
                         break;
         }
         clear_bit(port1, parent_hub->busy_bits);
-        if (!parent_hdev->parent && !parent_hub->busy_bits[0])
-                usb_enable_root_hub_irq(parent_hdev->bus);
 
         if (ret < 0)
                 goto re_enumerate;
diff --git a/drivers/usb/core/urb.c b/drivers/usb/core/urb.c
index c0b1ae25ae2a..47111e88f791 100644
--- a/drivers/usb/core/urb.c
+++ b/drivers/usb/core/urb.c
@@ -601,15 +601,20 @@ EXPORT_SYMBOL_GPL(usb_kill_anchored_urbs);
 void usb_unlink_anchored_urbs(struct usb_anchor *anchor)
 {
         struct urb *victim;
+        unsigned long flags;
 
-        spin_lock_irq(&anchor->lock);
+        spin_lock_irqsave(&anchor->lock, flags);
         while (!list_empty(&anchor->urb_list)) {
                 victim = list_entry(anchor->urb_list.prev, struct urb,
                                     anchor_list);
+                usb_get_urb(victim);
+                spin_unlock_irqrestore(&anchor->lock, flags);
                 /* this will unanchor the URB */
                 usb_unlink_urb(victim);
+                usb_put_urb(victim);
+                spin_lock_irqsave(&anchor->lock, flags);
         }
-        spin_unlock_irq(&anchor->lock);
+        spin_unlock_irqrestore(&anchor->lock, flags);
 }
 EXPORT_SYMBOL_GPL(usb_unlink_anchored_urbs);
 
diff --git a/drivers/usb/core/usb.c b/drivers/usb/core/usb.c
index 84fcaa6a21ec..be1fa0723f2c 100644
--- a/drivers/usb/core/usb.c
+++ b/drivers/usb/core/usb.c
@@ -219,12 +219,6 @@ static int usb_dev_uevent(struct device *dev, struct kobj_uevent_env *env)
 }
 #endif  /* CONFIG_HOTPLUG */
 
-struct device_type usb_device_type = {
-        .name =         "usb_device",
-        .release =      usb_release_dev,
-        .uevent =       usb_dev_uevent,
-};
-
 #ifdef  CONFIG_PM
 
 static int ksuspend_usb_init(void)
@@ -244,13 +238,80 @@ static void ksuspend_usb_cleanup(void)
         destroy_workqueue(ksuspend_usb_wq);
 }
 
+/* USB device Power-Management thunks.
+ * There's no need to distinguish here between quiescing a USB device
+ * and powering it down; the generic_suspend() routine takes care of
+ * it by skipping the usb_port_suspend() call for a quiesce.  And for
+ * USB interfaces there's no difference at all.
+ */
+
+static int usb_dev_prepare(struct device *dev)
+{
+        return 0;               /* Implement eventually? */
+}
+
+static void usb_dev_complete(struct device *dev)
+{
+        /* Currently used only for rebinding interfaces */
+        usb_resume(dev);        /* Implement eventually? */
+}
+
+static int usb_dev_suspend(struct device *dev)
+{
+        return usb_suspend(dev, PMSG_SUSPEND);
+}
+
+static int usb_dev_resume(struct device *dev)
+{
+        return usb_resume(dev);
+}
+
+static int usb_dev_freeze(struct device *dev)
+{
+        return usb_suspend(dev, PMSG_FREEZE);
+}
+
+static int usb_dev_thaw(struct device *dev)
+{
+        return usb_resume(dev);
+}
+
+static int usb_dev_poweroff(struct device *dev)
+{
+        return usb_suspend(dev, PMSG_HIBERNATE);
+}
+
+static int usb_dev_restore(struct device *dev)
+{
+        return usb_resume(dev);
+}
+
+static struct pm_ops usb_device_pm_ops = {
+        .prepare =      usb_dev_prepare,
+        .complete =     usb_dev_complete,
+        .suspend =      usb_dev_suspend,
+        .resume =       usb_dev_resume,
+        .freeze =       usb_dev_freeze,
+        .thaw =         usb_dev_thaw,
+        .poweroff =     usb_dev_poweroff,
+        .restore =      usb_dev_restore,
+};
+
 #else
 
 #define ksuspend_usb_init()     0
 #define ksuspend_usb_cleanup()  do {} while (0)
+#define usb_device_pm_ops       (*(struct pm_ops *)0)
 
 #endif  /* CONFIG_PM */
 
+struct device_type usb_device_type = {
+        .name =         "usb_device",
+        .release =      usb_release_dev,
+        .uevent =       usb_dev_uevent,
+        .pm =           &usb_device_pm_ops,
+};
+
 
 /* Returns 1 if @usb_bus is WUSB, 0 otherwise */
 static unsigned usb_bus_is_wusb(struct usb_bus *bus)
diff --git a/drivers/usb/core/usb.h b/drivers/usb/core/usb.h
index d9a6e16dbf84..9a1a45ac3add 100644
--- a/drivers/usb/core/usb.h
+++ b/drivers/usb/core/usb.h
@@ -41,6 +41,9 @@ extern void usb_host_cleanup(void);
 
 #ifdef  CONFIG_PM
 
+extern int usb_suspend(struct device *dev, pm_message_t msg);
+extern int usb_resume(struct device *dev);
+
 extern void usb_autosuspend_work(struct work_struct *work);
 extern int usb_port_suspend(struct usb_device *dev);
 extern int usb_port_resume(struct usb_device *dev);
diff --git a/drivers/usb/gadget/amd5536udc.c b/drivers/usb/gadget/amd5536udc.c
index 1500e1b3c302..abf8192f89e8 100644
--- a/drivers/usb/gadget/amd5536udc.c
+++ b/drivers/usb/gadget/amd5536udc.c
@@ -44,7 +44,6 @@
 #include <linux/module.h>
 #include <linux/pci.h>
 #include <linux/kernel.h>
-#include <linux/version.h>
 #include <linux/delay.h>
 #include <linux/ioport.h>
 #include <linux/sched.h>
diff --git a/drivers/usb/gadget/pxa27x_udc.c b/drivers/usb/gadget/pxa27x_udc.c
index a28513ecbe5b..7cbc78a6853d 100644
--- a/drivers/usb/gadget/pxa27x_udc.c
+++ b/drivers/usb/gadget/pxa27x_udc.c
@@ -1622,7 +1622,7 @@ int usb_gadget_register_driver(struct usb_gadget_driver *driver)
         struct pxa_udc *udc = the_controller;
         int retval;
 
-        if (!driver || driver->speed != USB_SPEED_FULL || !driver->bind
+        if (!driver || driver->speed < USB_SPEED_FULL || !driver->bind
                         || !driver->disconnect || !driver->setup)
                 return -EINVAL;
         if (!udc)
diff --git a/drivers/usb/gadget/s3c2410_udc.c b/drivers/usb/gadget/s3c2410_udc.c
index 538807384592..29d13ebe7500 100644
--- a/drivers/usb/gadget/s3c2410_udc.c
+++ b/drivers/usb/gadget/s3c2410_udc.c
@@ -35,7 +35,6 @@
 #include <linux/list.h>
 #include <linux/interrupt.h>
 #include <linux/platform_device.h>
-#include <linux/version.h>
 #include <linux/clk.h>
 
 #include <linux/debugfs.h>
diff --git a/drivers/usb/host/isp1760-hcd.c b/drivers/usb/host/isp1760-hcd.c
index d22a84f86a33..8017f1cf78e2 100644
--- a/drivers/usb/host/isp1760-hcd.c
+++ b/drivers/usb/host/isp1760-hcd.c
@@ -988,7 +988,7 @@ static void do_atl_int(struct usb_hcd *usb_hcd)
                 /*
                  * write bank1 address twice to ensure the 90ns delay (time
                  * between BANK0 write and the priv_read_copy() call is at
-                 * least 3*t_WHWL + 2*t_w11 = 3*25ns + 2*17ns = 92ns)
+                 * least 3*t_WHWL + 2*t_w11 = 3*25ns + 2*17ns = 109ns)
                  */
                 isp1760_writel(payload  + ISP_BANK(1), usb_hcd->regs +
                                 HC_MEMORY_REG);
diff --git a/drivers/usb/host/ohci-at91.c b/drivers/usb/host/ohci-at91.c
index 6db7a2889e66..4ed228a89943 100644
--- a/drivers/usb/host/ohci-at91.c
+++ b/drivers/usb/host/ohci-at91.c
@@ -260,7 +260,6 @@ static const struct hc_driver ohci_at91_hc_driver = {
          */
         .hub_status_data =      ohci_hub_status_data,
         .hub_control =          ohci_hub_control,
-        .hub_irq_enable =       ohci_rhsc_enable,
 #ifdef CONFIG_PM
         .bus_suspend =          ohci_bus_suspend,
         .bus_resume =           ohci_bus_resume,
diff --git a/drivers/usb/host/ohci-au1xxx.c b/drivers/usb/host/ohci-au1xxx.c
index c0948008fe3d..2ac4e022a13f 100644
--- a/drivers/usb/host/ohci-au1xxx.c
+++ b/drivers/usb/host/ohci-au1xxx.c
@@ -163,7 +163,6 @@ static const struct hc_driver ohci_au1xxx_hc_driver = {
          */
         .hub_status_data =      ohci_hub_status_data,
         .hub_control =          ohci_hub_control,
-        .hub_irq_enable =       ohci_rhsc_enable,
 #ifdef  CONFIG_PM
         .bus_suspend =          ohci_bus_suspend,
         .bus_resume =           ohci_bus_resume,
diff --git a/drivers/usb/host/ohci-ep93xx.c b/drivers/usb/host/ohci-ep93xx.c
index cb0b506f8259..fb3055f084b5 100644
--- a/drivers/usb/host/ohci-ep93xx.c
+++ b/drivers/usb/host/ohci-ep93xx.c
@@ -134,7 +134,6 @@ static struct hc_driver ohci_ep93xx_hc_driver = {
         .get_frame_number       = ohci_get_frame,
         .hub_status_data        = ohci_hub_status_data,
         .hub_control            = ohci_hub_control,
-        .hub_irq_enable         = ohci_rhsc_enable,
 #ifdef CONFIG_PM
         .bus_suspend            = ohci_bus_suspend,
         .bus_resume             = ohci_bus_resume,
diff --git a/drivers/usb/host/ohci-hub.c b/drivers/usb/host/ohci-hub.c
index 439beb784f3e..7ea9a7b31155 100644
--- a/drivers/usb/host/ohci-hub.c
+++ b/drivers/usb/host/ohci-hub.c
@@ -36,18 +36,6 @@
 
 /*-------------------------------------------------------------------------*/
 
-/* hcd->hub_irq_enable() */
-static void ohci_rhsc_enable (struct usb_hcd *hcd)
-{
-        struct ohci_hcd         *ohci = hcd_to_ohci (hcd);
-
-        spin_lock_irq(&ohci->lock);
-        if (!ohci->autostop)
-                del_timer(&hcd->rh_timer);      /* Prevent next poll */
-        ohci_writel(ohci, OHCI_INTR_RHSC, &ohci->regs->intrenable);
-        spin_unlock_irq(&ohci->lock);
-}
-
 #define OHCI_SCHED_ENABLES \
         (OHCI_CTRL_CLE|OHCI_CTRL_BLE|OHCI_CTRL_PLE|OHCI_CTRL_IE)
 
@@ -374,18 +362,28 @@ static int ohci_root_hub_state_changes(struct ohci_hcd *ohci, int changed,
                 int any_connected)
 {
         int     poll_rh = 1;
+        int     rhsc;
 
+        rhsc = ohci_readl(ohci, &ohci->regs->intrenable) & OHCI_INTR_RHSC;
         switch (ohci->hc_control & OHCI_CTRL_HCFS) {
 
         case OHCI_USB_OPER:
-                /* keep on polling until we know a device is connected
-                 * and RHSC is enabled */
+                /* If no status changes are pending, enable status-change
+                 * interrupts.
+                 */
+                if (!rhsc && !changed) {
+                        rhsc = OHCI_INTR_RHSC;
+                        ohci_writel(ohci, rhsc, &ohci->regs->intrenable);
+                }
+
+                /* Keep on polling until we know a device is connected
+                 * and RHSC is enabled, or until we autostop.
+                 */
                 if (!ohci->autostop) {
                         if (any_connected ||
                                         !device_may_wakeup(&ohci_to_hcd(ohci)
                                                 ->self.root_hub->dev)) {
-                                if (ohci_readl(ohci, &ohci->regs->intrenable) &
-                                                OHCI_INTR_RHSC)
+                                if (rhsc)
                                         poll_rh = 0;
                         } else {
                                 ohci->autostop = 1;
@@ -398,12 +396,13 @@ static int ohci_root_hub_state_changes(struct ohci_hcd *ohci, int changed,
                                 ohci->autostop = 0;
                                 ohci->next_statechange = jiffies +
                                                 STATECHANGE_DELAY;
-                        } else if (time_after_eq(jiffies,
+                        } else if (rhsc && time_after_eq(jiffies,
                                                 ohci->next_statechange)
                                         && !ohci->ed_rm_list
                                         && !(ohci->hc_control &
                                                 OHCI_SCHED_ENABLES)) {
                                 ohci_rh_suspend(ohci, 1);
+                                poll_rh = 0;
                         }
                 }
                 break;
@@ -417,6 +416,12 @@ static int ohci_root_hub_state_changes(struct ohci_hcd *ohci, int changed,
                         else
                                 usb_hcd_resume_root_hub(ohci_to_hcd(ohci));
                 } else {
+                        if (!rhsc && (ohci->autostop ||
+                                        ohci_to_hcd(ohci)->self.root_hub->
+                                                do_remote_wakeup))
+                                ohci_writel(ohci, OHCI_INTR_RHSC,
+                                                &ohci->regs->intrenable);
+
                         /* everything is idle, no need for polling */
                         poll_rh = 0;
                 }
@@ -438,12 +443,16 @@ static inline int ohci_rh_resume(struct ohci_hcd *ohci)
 static int ohci_root_hub_state_changes(struct ohci_hcd *ohci, int changed,
                 int any_connected)
 {
-        int     poll_rh = 1;
-
-        /* keep on polling until RHSC is enabled */
+        /* If RHSC is enabled, don't poll */
         if (ohci_readl(ohci, &ohci->regs->intrenable) & OHCI_INTR_RHSC)
-                poll_rh = 0;
-        return poll_rh;
+                return 0;
+
+        /* If no status changes are pending, enable status-change interrupts */
+        if (!changed) {
+                ohci_writel(ohci, OHCI_INTR_RHSC, &ohci->regs->intrenable);
+                return 0;
+        }
+        return 1;
 }
 
 #endif  /* CONFIG_PM */
diff --git a/drivers/usb/host/ohci-lh7a404.c b/drivers/usb/host/ohci-lh7a404.c
index 9e31d440d115..de42283149c7 100644
--- a/drivers/usb/host/ohci-lh7a404.c
+++ b/drivers/usb/host/ohci-lh7a404.c
@@ -193,7 +193,6 @@ static const struct hc_driver ohci_lh7a404_hc_driver = {
          */
         .hub_status_data =      ohci_hub_status_data,
         .hub_control =          ohci_hub_control,
-        .hub_irq_enable =       ohci_rhsc_enable,
 #ifdef  CONFIG_PM
         .bus_suspend =          ohci_bus_suspend,
         .bus_resume =           ohci_bus_resume,
diff --git a/drivers/usb/host/ohci-omap.c b/drivers/usb/host/ohci-omap.c
index 3d532b709670..1eb64d08b60a 100644
--- a/drivers/usb/host/ohci-omap.c
+++ b/drivers/usb/host/ohci-omap.c
@@ -470,7 +470,6 @@ static const struct hc_driver ohci_omap_hc_driver = {
          */
         .hub_status_data =      ohci_hub_status_data,
         .hub_control =          ohci_hub_control,
-        .hub_irq_enable =       ohci_rhsc_enable,
 #ifdef  CONFIG_PM
         .bus_suspend =          ohci_bus_suspend,
         .bus_resume =           ohci_bus_resume,
diff --git a/drivers/usb/host/ohci-pci.c b/drivers/usb/host/ohci-pci.c
index 083e8df0a817..a9c2ae36c7ad 100644
--- a/drivers/usb/host/ohci-pci.c
+++ b/drivers/usb/host/ohci-pci.c
@@ -459,7 +459,6 @@ static const struct hc_driver ohci_pci_hc_driver = {
          */
         .hub_status_data =      ohci_hub_status_data,
         .hub_control =          ohci_hub_control,
-        .hub_irq_enable =       ohci_rhsc_enable,
 #ifdef  CONFIG_PM
         .bus_suspend =          ohci_bus_suspend,
         .bus_resume =           ohci_bus_resume,
diff --git a/drivers/usb/host/ohci-pnx4008.c b/drivers/usb/host/ohci-pnx4008.c
index b02cd0761977..658a2a978c32 100644
--- a/drivers/usb/host/ohci-pnx4008.c
+++ b/drivers/usb/host/ohci-pnx4008.c
@@ -277,7 +277,6 @@ static const struct hc_driver ohci_pnx4008_hc_driver = {
          */
         .hub_status_data = ohci_hub_status_data,
         .hub_control = ohci_hub_control,
-        .hub_irq_enable = ohci_rhsc_enable,
 #ifdef  CONFIG_PM
         .bus_suspend = ohci_bus_suspend,
         .bus_resume = ohci_bus_resume,
diff --git a/drivers/usb/host/ohci-pnx8550.c b/drivers/usb/host/ohci-pnx8550.c
index 605d59cba28e..28467e288a93 100644
--- a/drivers/usb/host/ohci-pnx8550.c
+++ b/drivers/usb/host/ohci-pnx8550.c
@@ -201,7 +201,6 @@ static const struct hc_driver ohci_pnx8550_hc_driver = {
          */
         .hub_status_data =      ohci_hub_status_data,
         .hub_control =          ohci_hub_control,
-        .hub_irq_enable =       ohci_rhsc_enable,
 #ifdef  CONFIG_PM
         .bus_suspend =          ohci_bus_suspend,
         .bus_resume =           ohci_bus_resume,
diff --git a/drivers/usb/host/ohci-ppc-of.c b/drivers/usb/host/ohci-ppc-of.c
index 91e6e101a4cc..7ac53264ead3 100644
--- a/drivers/usb/host/ohci-ppc-of.c
+++ b/drivers/usb/host/ohci-ppc-of.c
@@ -72,7 +72,6 @@ static const struct hc_driver ohci_ppc_of_hc_driver = {
          */
         .hub_status_data =      ohci_hub_status_data,
         .hub_control =          ohci_hub_control,
-        .hub_irq_enable =       ohci_rhsc_enable,
 #ifdef  CONFIG_PM
         .bus_suspend =          ohci_bus_suspend,
         .bus_resume =           ohci_bus_resume,
diff --git a/drivers/usb/host/ohci-ppc-soc.c b/drivers/usb/host/ohci-ppc-soc.c
index 523c30125577..cd3398b675b2 100644
--- a/drivers/usb/host/ohci-ppc-soc.c
+++ b/drivers/usb/host/ohci-ppc-soc.c
@@ -172,7 +172,6 @@ static const struct hc_driver ohci_ppc_soc_hc_driver = {
          */
         .hub_status_data =      ohci_hub_status_data,
         .hub_control =          ohci_hub_control,
-        .hub_irq_enable =       ohci_rhsc_enable,
 #ifdef  CONFIG_PM
         .bus_suspend =          ohci_bus_suspend,
         .bus_resume =           ohci_bus_resume,
diff --git a/drivers/usb/host/ohci-ps3.c b/drivers/usb/host/ohci-ps3.c
index 55c95647f008..2089d8a46c4b 100644
--- a/drivers/usb/host/ohci-ps3.c
+++ b/drivers/usb/host/ohci-ps3.c
@@ -68,7 +68,6 @@ static const struct hc_driver ps3_ohci_hc_driver = {
         .get_frame_number       = ohci_get_frame,
         .hub_status_data        = ohci_hub_status_data,
         .hub_control            = ohci_hub_control,
-        .hub_irq_enable         = ohci_rhsc_enable,
         .start_port_reset       = ohci_start_port_reset,
 #if defined(CONFIG_PM)
         .bus_suspend            = ohci_bus_suspend,
diff --git a/drivers/usb/host/ohci-pxa27x.c b/drivers/usb/host/ohci-pxa27x.c
index 8c9c4849db6e..7f0f35c78185 100644
--- a/drivers/usb/host/ohci-pxa27x.c
+++ b/drivers/usb/host/ohci-pxa27x.c
@@ -298,7 +298,6 @@ static const struct hc_driver ohci_pxa27x_hc_driver = {
          */
         .hub_status_data =      ohci_hub_status_data,
         .hub_control =          ohci_hub_control,
-        .hub_irq_enable =       ohci_rhsc_enable,
 #ifdef  CONFIG_PM
         .bus_suspend =          ohci_bus_suspend,
         .bus_resume =           ohci_bus_resume,
diff --git a/drivers/usb/host/ohci-s3c2410.c b/drivers/usb/host/ohci-s3c2410.c
index 9e3dc4069e8b..f46af7a718d4 100644
--- a/drivers/usb/host/ohci-s3c2410.c
+++ b/drivers/usb/host/ohci-s3c2410.c
@@ -466,7 +466,6 @@ static const struct hc_driver ohci_s3c2410_hc_driver = {
          */
         .hub_status_data =      ohci_s3c2410_hub_status_data,
         .hub_control =          ohci_s3c2410_hub_control,
-        .hub_irq_enable =       ohci_rhsc_enable,
 #ifdef  CONFIG_PM
         .bus_suspend =          ohci_bus_suspend,
         .bus_resume =           ohci_bus_resume,
diff --git a/drivers/usb/host/ohci-sa1111.c b/drivers/usb/host/ohci-sa1111.c
index 4626b002e670..e4bbe8e188e4 100644
--- a/drivers/usb/host/ohci-sa1111.c
+++ b/drivers/usb/host/ohci-sa1111.c
@@ -231,7 +231,6 @@ static const struct hc_driver ohci_sa1111_hc_driver = {
          */
         .hub_status_data =      ohci_hub_status_data,
         .hub_control =          ohci_hub_control,
-        .hub_irq_enable =       ohci_rhsc_enable,
 #ifdef  CONFIG_PM
         .bus_suspend =          ohci_bus_suspend,
         .bus_resume =           ohci_bus_resume,
diff --git a/drivers/usb/host/ohci-sh.c b/drivers/usb/host/ohci-sh.c
index e7ee607278fe..60f03cc7ec4f 100644
--- a/drivers/usb/host/ohci-sh.c
+++ b/drivers/usb/host/ohci-sh.c
@@ -68,7 +68,6 @@ static const struct hc_driver ohci_sh_hc_driver = {
          */
         .hub_status_data =      ohci_hub_status_data,
         .hub_control =          ohci_hub_control,
-        .hub_irq_enable =       ohci_rhsc_enable,
 #ifdef  CONFIG_PM
         .bus_suspend =          ohci_bus_suspend,
         .bus_resume =           ohci_bus_resume,
diff --git a/drivers/usb/host/ohci-sm501.c b/drivers/usb/host/ohci-sm501.c
index 21b164e4abeb..cff23637cfcc 100644
--- a/drivers/usb/host/ohci-sm501.c
+++ b/drivers/usb/host/ohci-sm501.c
@@ -75,7 +75,6 @@ static const struct hc_driver ohci_sm501_hc_driver = {
          */
         .hub_status_data =      ohci_hub_status_data,
         .hub_control =          ohci_hub_control,
-        .hub_irq_enable =       ohci_rhsc_enable,
 #ifdef  CONFIG_PM
         .bus_suspend =          ohci_bus_suspend,
         .bus_resume =           ohci_bus_resume,
diff --git a/drivers/usb/host/ohci-ssb.c b/drivers/usb/host/ohci-ssb.c
index 3660c83d80af..23fd6a886bdd 100644
--- a/drivers/usb/host/ohci-ssb.c
+++ b/drivers/usb/host/ohci-ssb.c
@@ -81,7 +81,6 @@ static const struct hc_driver ssb_ohci_hc_driver = {
 
         .hub_status_data        = ohci_hub_status_data,
         .hub_control            = ohci_hub_control,
-        .hub_irq_enable         = ohci_rhsc_enable,
 #ifdef  CONFIG_PM
         .bus_suspend            = ohci_bus_suspend,
         .bus_resume             = ohci_bus_resume,
diff --git a/drivers/usb/host/u132-hcd.c b/drivers/usb/host/u132-hcd.c
index 20ad3c48fcb2..228f2b070f2b 100644
--- a/drivers/usb/host/u132-hcd.c
+++ b/drivers/usb/host/u132-hcd.c
@@ -2934,16 +2934,6 @@ static int u132_start_port_reset(struct usb_hcd *hcd, unsigned port_num)
                 return 0;
 }
 
-static void u132_hub_irq_enable(struct usb_hcd *hcd)
-{
-        struct u132 *u132 = hcd_to_u132(hcd);
-        if (u132->going > 1) {
-                dev_err(&u132->platform_dev->dev, "device has been removed %d\n"
-                        , u132->going);
-        } else if (u132->going > 0)
-                dev_err(&u132->platform_dev->dev, "device is being removed\n");
-}
-
 
 #ifdef CONFIG_PM
 static int u132_bus_suspend(struct usb_hcd *hcd)
@@ -2995,7 +2985,6 @@ static struct hc_driver u132_hc_driver = {
         .bus_suspend = u132_bus_suspend,
         .bus_resume = u132_bus_resume,
         .start_port_reset = u132_start_port_reset,
-        .hub_irq_enable = u132_hub_irq_enable,
 };
 
 /*
diff --git a/drivers/usb/misc/iowarrior.c b/drivers/usb/misc/iowarrior.c
index e6ca9979e3ae..a4ef77ef917d 100644
--- a/drivers/usb/misc/iowarrior.c
+++ b/drivers/usb/misc/iowarrior.c
@@ -19,7 +19,6 @@
 #include <linux/slab.h>
 #include <linux/sched.h>
 #include <linux/poll.h>
-#include <linux/version.h>
 #include <linux/usb/iowarrior.h>
 
 /* Version Information */
diff --git a/drivers/usb/misc/sisusbvga/sisusb.c b/drivers/usb/misc/sisusbvga/sisusb.c
index fbace41a7cba..69c34a58e205 100644
--- a/drivers/usb/misc/sisusbvga/sisusb.c
+++ b/drivers/usb/misc/sisusbvga/sisusb.c
@@ -3270,6 +3270,7 @@ static struct usb_device_id sisusb_table [] = {
         { USB_DEVICE(0x0711, 0x0900) },
         { USB_DEVICE(0x0711, 0x0901) },
         { USB_DEVICE(0x0711, 0x0902) },
+        { USB_DEVICE(0x0711, 0x0918) },
         { USB_DEVICE(0x182d, 0x021c) },
         { USB_DEVICE(0x182d, 0x0269) },
         { }
diff --git a/drivers/usb/musb/Kconfig b/drivers/usb/musb/Kconfig
index faca4333f27a..a0017486ad4e 100644
--- a/drivers/usb/musb/Kconfig
+++ b/drivers/usb/musb/Kconfig
@@ -165,12 +165,11 @@ config USB_TUSB_OMAP_DMA
         help
           Enable DMA transfers on TUSB 6010 when OMAP DMA is available.
 
-config  USB_MUSB_LOGLEVEL
+config  USB_MUSB_DEBUG
         depends on USB_MUSB_HDRC
-        int  'Logging Level (0 - none / 3 - annoying / ... )'
-        default 0
+        bool "Enable debugging messages"
+        default n
         help
-          Set the logging level. 0 disables the debugging altogether,
-          although when USB_DEBUG is set the value is at least 1.
-          Starting at level 3, per-transfer (urb, usb_request, packet,
-          or dma transfer) tracing may kick in.
+          This enables musb debugging. To set the logging level use the debug
+          module parameter. Starting at level 3, per-transfer (urb, usb_request,
+          packet, or dma transfer) tracing may kick in.
diff --git a/drivers/usb/musb/Makefile b/drivers/usb/musb/Makefile
index 88eb67de08ae..b6af0d687a73 100644
--- a/drivers/usb/musb/Makefile
+++ b/drivers/usb/musb/Makefile
@@ -64,23 +64,6 @@ endif
 
 # Debugging
 
-MUSB_DEBUG:=$(CONFIG_USB_MUSB_LOGLEVEL)
-
-ifeq ("$(strip $(MUSB_DEBUG))","")
-    ifdef CONFIG_USB_DEBUG
-        MUSB_DEBUG:=1
-    else
-        MUSB_DEBUG:=0
-    endif
+ifeq ($(CONFIG_USB_MUSB_DEBUG),y)
+        EXTRA_CFLAGS += -DDEBUG
 endif
-
-ifneq ($(MUSB_DEBUG),0)
-    EXTRA_CFLAGS += -DDEBUG
-
-    ifeq ($(CONFIG_PROC_FS),y)
-        musb_hdrc-objs          += musb_procfs.o
-    endif
-
-endif
-
-EXTRA_CFLAGS += -DMUSB_DEBUG=$(MUSB_DEBUG)
diff --git a/drivers/usb/musb/musb_core.c b/drivers/usb/musb/musb_core.c
index d68ec6daf335..c5b8f0296fcf 100644
--- a/drivers/usb/musb/musb_core.c
+++ b/drivers/usb/musb/musb_core.c
@@ -114,23 +114,14 @@
 
 
 
-#if MUSB_DEBUG > 0
-unsigned debug = MUSB_DEBUG;
-module_param(debug, uint, 0);
-MODULE_PARM_DESC(debug, "initial debug message level");
-
-#define MUSB_VERSION_SUFFIX     "/dbg"
-#endif
+unsigned debug;
+module_param(debug, uint, S_IRUGO | S_IWUSR);
+MODULE_PARM_DESC(debug, "Debug message level. Default = 0");
 
 #define DRIVER_AUTHOR "Mentor Graphics, Texas Instruments, Nokia"
 #define DRIVER_DESC "Inventra Dual-Role USB Controller Driver"
 
-#define MUSB_VERSION_BASE "6.0"
-
-#ifndef MUSB_VERSION_SUFFIX
-#define MUSB_VERSION_SUFFIX     ""
-#endif
-#define MUSB_VERSION    MUSB_VERSION_BASE MUSB_VERSION_SUFFIX
+#define MUSB_VERSION "6.0"
 
 #define DRIVER_INFO DRIVER_DESC ", v" MUSB_VERSION
 
@@ -2037,6 +2028,8 @@ bad_config:
                 musb->xceiv.state = OTG_STATE_A_IDLE;
 
                 status = usb_add_hcd(musb_to_hcd(musb), -1, 0);
+                if (status)
+                        goto fail;
 
                 DBG(1, "%s mode, status %d, devctl %02x %c\n",
                         "HOST", status,
@@ -2051,6 +2044,8 @@ bad_config:
                 musb->xceiv.state = OTG_STATE_B_IDLE;
 
                 status = musb_gadget_setup(musb);
+                if (status)
+                        goto fail;
 
                 DBG(1, "%s mode, status %d, dev%02x\n",
                         is_otg_enabled(musb) ? "OTG" : "PERIPHERAL",
@@ -2059,16 +2054,14 @@ bad_config:
 
         }
 
-        if (status == 0)
-                musb_debug_create("driver/musb_hdrc", musb);
-        else {
+        return 0;
+
 fail:
-                if (musb->clock)
-                        clk_put(musb->clock);
-                device_init_wakeup(dev, 0);
-                musb_free(musb);
-                return status;
-        }
+        if (musb->clock)
+                clk_put(musb->clock);
+        device_init_wakeup(dev, 0);
+        musb_free(musb);
+        return status;
 
 #ifdef CONFIG_SYSFS
         status = device_create_file(dev, &dev_attr_mode);
@@ -2131,7 +2124,6 @@ static int __devexit musb_remove(struct platform_device *pdev)
          *  - OTG mode: both roles are deactivated (or never-activated)
          */
         musb_shutdown(pdev);
-        musb_debug_delete("driver/musb_hdrc", musb);
 #ifdef CONFIG_USB_MUSB_HDRC_HCD
         if (musb->board_mode == MUSB_HOST)
                 usb_remove_hcd(musb_to_hcd(musb));
diff --git a/drivers/usb/musb/musb_core.h b/drivers/usb/musb/musb_core.h
index eade46d81708..82227251931b 100644
--- a/drivers/usb/musb/musb_core.h
+++ b/drivers/usb/musb/musb_core.h
@@ -485,23 +485,4 @@ extern int musb_platform_get_vbus_status(struct musb *musb);
 extern int __init musb_platform_init(struct musb *musb);
 extern int musb_platform_exit(struct musb *musb);
 
-/*-------------------------- ProcFS definitions ---------------------*/
-
-struct proc_dir_entry;
-
-#if (MUSB_DEBUG > 0) && defined(MUSB_CONFIG_PROC_FS)
-extern struct proc_dir_entry *musb_debug_create(char *name, struct musb *data);
-extern void musb_debug_delete(char *name, struct musb *data);
-
-#else
-static inline struct proc_dir_entry *
-musb_debug_create(char *name, struct musb *data)
-{
-        return NULL;
-}
-static inline void musb_debug_delete(char *name, struct musb *data)
-{
-}
-#endif
-
 #endif  /* __MUSB_CORE_H__ */
diff --git a/drivers/usb/musb/musb_debug.h b/drivers/usb/musb/musb_debug.h
index 3bdb311e820d..4d2794441b15 100644
--- a/drivers/usb/musb/musb_debug.h
+++ b/drivers/usb/musb/musb_debug.h
@@ -48,11 +48,7 @@
                                 __func__, __LINE__ , ## args); \
         } } while (0)
 
-#if MUSB_DEBUG > 0
 extern unsigned debug;
-#else
-#define debug   0
-#endif
 
 static inline int _dbg_level(unsigned l)
 {
diff --git a/drivers/usb/musb/musb_gadget_ep0.c b/drivers/usb/musb/musb_gadget_ep0.c
index 48d7d3ccb243..a57652fff39c 100644
--- a/drivers/usb/musb/musb_gadget_ep0.c
+++ b/drivers/usb/musb/musb_gadget_ep0.c
@@ -476,6 +476,7 @@ static void ep0_rxstate(struct musb *musb)
                         return;
                 musb->ackpend = 0;
         }
+        musb_ep_select(musb->mregs, 0);
         musb_writew(regs, MUSB_CSR0, tmp);
 }
 
@@ -528,6 +529,7 @@ static void ep0_txstate(struct musb *musb)
         }
 
         /* send it out, triggering a "txpktrdy cleared" irq */
+        musb_ep_select(musb->mregs, 0);
         musb_writew(regs, MUSB_CSR0, csr);
 }
 
diff --git a/drivers/usb/musb/musb_procfs.c b/drivers/usb/musb/musb_procfs.c
deleted file mode 100644
index 55e6b78bdccc..000000000000
--- a/drivers/usb/musb/musb_procfs.c
+++ /dev/null
@@ -1,830 +0,0 @@
-/*
- * MUSB OTG driver debug support
- *
- * Copyright 2005 Mentor Graphics Corporation
- * Copyright (C) 2005-2006 by Texas Instruments
- * Copyright (C) 2006-2007 Nokia Corporation
- *
- * 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.
- *
- * This program is distributed in the hope that it will be useful, but
- * WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
- * General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
- * 02110-1301 USA
- *
- * THIS SOFTWARE IS PROVIDED "AS IS" AND ANY EXPRESS OR IMPLIED
- * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
- * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.  IN
- * NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY DIRECT, INDIRECT,
- * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
- * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
- * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
- * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
- * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- *
- */
-
-#include <linux/kernel.h>
-#include <linux/proc_fs.h>
-#include <linux/seq_file.h>
-#include <linux/uaccess.h>      /* FIXME remove procfs writes */
-#include <asm/arch/hardware.h>
-
-#include "musb_core.h"
-
-#include "davinci.h"
-
-#ifdef CONFIG_USB_MUSB_HDRC_HCD
-
-static int dump_qh(struct musb_qh *qh, char *buf, unsigned max)
-{
-        int                             count;
-        int                             tmp;
-        struct usb_host_endpoint        *hep = qh->hep;
-        struct urb                      *urb;
-
-        count = snprintf(buf, max, "    qh %p dev%d ep%d%s max%d\n",
-                        qh, qh->dev->devnum, qh->epnum,
-                        ({ char *s; switch (qh->type) {
-                        case USB_ENDPOINT_XFER_BULK:
-                                s = "-bulk"; break;
-                        case USB_ENDPOINT_XFER_INT:
-                                s = "-int"; break;
-                        case USB_ENDPOINT_XFER_CONTROL:
-                                s = ""; break;
-                        default:
-                                s = "iso"; break;
-                        }; s; }),
-                        qh->maxpacket);
-        if (count <= 0)
-                return 0;
-        buf += count;
-        max -= count;
-
-        list_for_each_entry(urb, &hep->urb_list, urb_list) {
-                tmp = snprintf(buf, max, "\t%s urb %p %d/%d\n",
-                                usb_pipein(urb->pipe) ? "in" : "out",
-                                urb, urb->actual_length,
-                                urb->transfer_buffer_length);
-                if (tmp <= 0)
-                        break;
-                tmp = min(tmp, (int)max);
-                count += tmp;
-                buf += tmp;
-                max -= tmp;
-        }
-        return count;
-}
-
-static int
-dump_queue(struct list_head *q, char *buf, unsigned max)
-{
-        int             count = 0;
-        struct musb_qh  *qh;
-
-        list_for_each_entry(qh, q, ring) {
-                int     tmp;
-
-                tmp = dump_qh(qh, buf, max);
-                if (tmp <= 0)
-                        break;
-                tmp = min(tmp, (int)max);
-                count += tmp;
-                buf += tmp;
-                max -= tmp;
-        }
-        return count;
-}
-
-#endif  /* HCD */
-
-#ifdef CONFIG_USB_GADGET_MUSB_HDRC
-static int dump_ep(struct musb_ep *ep, char *buffer, unsigned max)
-{
-        char            *buf = buffer;
-        int             code = 0;
-        void __iomem    *regs = ep->hw_ep->regs;
-        char            *mode = "1buf";
-
-        if (ep->is_in) {
-                if (ep->hw_ep->tx_double_buffered)
-                        mode = "2buf";
-        } else {
-                if (ep->hw_ep->rx_double_buffered)
-                        mode = "2buf";
-        }
-
-        do {
-                struct usb_request      *req;
-
-                code = snprintf(buf, max,
-                                "\n%s (hw%d): %s%s, csr %04x maxp %04x\n",
-                                ep->name, ep->current_epnum,
-                                mode, ep->dma ? " dma" : "",
-                                musb_readw(regs,
-                                        (ep->is_in || !ep->current_epnum)
-                                                ? MUSB_TXCSR
-                                                : MUSB_RXCSR),
-                                musb_readw(regs, ep->is_in
-                                                ? MUSB_TXMAXP
-                                                : MUSB_RXMAXP)
-                                );
-                if (code <= 0)
-                        break;
-                code = min(code, (int) max);
-                buf += code;
-                max -= code;
-
-                if (is_cppi_enabled() && ep->current_epnum) {
-                        unsigned        cppi = ep->current_epnum - 1;
-                        void __iomem    *base = ep->musb->ctrl_base;
-                        unsigned        off1 = cppi << 2;
-                        void __iomem    *ram = base;
-                        char            tmp[16];
-
-                        if (ep->is_in) {
-                                ram += DAVINCI_TXCPPI_STATERAM_OFFSET(cppi);
-                                tmp[0] = 0;
-                        } else {
-                                ram += DAVINCI_RXCPPI_STATERAM_OFFSET(cppi);
-                                snprintf(tmp, sizeof tmp, "%d left, ",
-                                        musb_readl(base,
-                                        DAVINCI_RXCPPI_BUFCNT0_REG + off1));
-                        }
-
-                        code = snprintf(buf, max, "%cX DMA%d: %s"
-                                        "%08x %08x, %08x %08x; "
-                                        "%08x %08x %08x .. %08x\n",
-                                ep->is_in ? 'T' : 'R',
-                                ep->current_epnum - 1, tmp,
-                                musb_readl(ram, 0 * 4),
-                                musb_readl(ram, 1 * 4),
-                                musb_readl(ram, 2 * 4),
-                                musb_readl(ram, 3 * 4),
-                                musb_readl(ram, 4 * 4),
-                                musb_readl(ram, 5 * 4),
-                                musb_readl(ram, 6 * 4),
-                                musb_readl(ram, 7 * 4));
-                        if (code <= 0)
-                                break;
-                        code = min(code, (int) max);
-                        buf += code;
-                        max -= code;
-                }
-
-                if (list_empty(&ep->req_list)) {
-                        code = snprintf(buf, max, "\t(queue empty)\n");
-                        if (code <= 0)
-                                break;
-                        code = min(code, (int) max);
-                        buf += code;
-                        max -= code;
-                        break;
-                }
-                list_for_each_entry(req, &ep->req_list, list) {
-                        code = snprintf(buf, max, "\treq %p, %s%s%d/%d\n",
-                                        req,
-                                        req->zero ? "zero, " : "",
-                                        req->short_not_ok ? "!short, " : "",
-                                        req->actual, req->length);
-                        if (code <= 0)
-                                break;
-                        code = min(code, (int) max);
-                        buf += code;
-                        max -= code;
-                }
-        } while (0);
-        return buf - buffer;
-}
-#endif
-
-static int
-dump_end_info(struct musb *musb, u8 epnum, char *aBuffer, unsigned max)
-{
-        int                     code = 0;
-        char                    *buf = aBuffer;
-        struct musb_hw_ep       *hw_ep = &musb->endpoints[epnum];
-
-        do {
-                musb_ep_select(musb->mregs, epnum);
-#ifdef CONFIG_USB_MUSB_HDRC_HCD
-                if (is_host_active(musb)) {
-                        int             dump_rx, dump_tx;
-                        void __iomem    *regs = hw_ep->regs;
-
-                        /* TEMPORARY (!) until we have a real periodic
-                         * schedule tree ...
-                         */
-                        if (!epnum) {
-                                /* control is shared, uses RX queue
-                                 * but (mostly) shadowed tx registers
-                                 */
-                                dump_tx = !list_empty(&musb->control);
-                                dump_rx = 0;
-                        } else if (hw_ep == musb->bulk_ep) {
-                                dump_tx = !list_empty(&musb->out_bulk);
-                                dump_rx = !list_empty(&musb->in_bulk);
-                        } else if (musb->periodic[epnum]) {
-                                struct usb_host_endpoint        *hep;
-
-                                hep = musb->periodic[epnum]->hep;
-                                dump_rx = hep->desc.bEndpointAddress
-                                                & USB_ENDPOINT_DIR_MASK;
-                                dump_tx = !dump_rx;
-                        } else
-                                break;
-                        /* END TEMPORARY */
-
-
-                        if (dump_rx) {
-                                code = snprintf(buf, max,
-                                        "\nRX%d: %s rxcsr %04x interval %02x "
-                                        "max %04x type %02x; "
-                                        "dev %d hub %d port %d"
-                                        "\n",
-                                        epnum,
-                                        hw_ep->rx_double_buffered
-                                                ? "2buf" : "1buf",
-                                        musb_readw(regs, MUSB_RXCSR),
-                                        musb_readb(regs, MUSB_RXINTERVAL),
-                                        musb_readw(regs, MUSB_RXMAXP),
-                                        musb_readb(regs, MUSB_RXTYPE),
-                                        /* FIXME:  assumes multipoint */
-                                        musb_readb(musb->mregs,
-                                                MUSB_BUSCTL_OFFSET(epnum,
-                                                MUSB_RXFUNCADDR)),
-                                        musb_readb(musb->mregs,
-                                                MUSB_BUSCTL_OFFSET(epnum,
-                                                MUSB_RXHUBADDR)),
-                                        musb_readb(musb->mregs,
-                                                MUSB_BUSCTL_OFFSET(epnum,
-                                                MUSB_RXHUBPORT))
-                                        );
-                                if (code <= 0)
-                                        break;
-                                code = min(code, (int) max);
-                                buf += code;
-                                max -= code;
-
-                                if (is_cppi_enabled()
-                                                && epnum
-                                                && hw_ep->rx_channel) {
-                                        unsigned        cppi = epnum - 1;
-                                        unsigned        off1 = cppi << 2;
-                                        void __iomem    *base;
-                                        void __iomem    *ram;
-                                        char            tmp[16];
-
-                                        base = musb->ctrl_base;
-                                        ram = DAVINCI_RXCPPI_STATERAM_OFFSET(
-                                                        cppi) + base;
-                                        snprintf(tmp, sizeof tmp, "%d left, ",
-                                                musb_readl(base,
-                                                DAVINCI_RXCPPI_BUFCNT0_REG
-                                                                + off1));
-
-                                        code = snprintf(buf, max,
-                                                "    rx dma%d: %s"
-                                                "%08x %08x, %08x %08x; "
-                                                "%08x %08x %08x .. %08x\n",
-                                                cppi, tmp,
-                                                musb_readl(ram, 0 * 4),
-                                                musb_readl(ram, 1 * 4),
-                                                musb_readl(ram, 2 * 4),
-                                                musb_readl(ram, 3 * 4),
-                                                musb_readl(ram, 4 * 4),
-                                                musb_readl(ram, 5 * 4),
-                                                musb_readl(ram, 6 * 4),
-                                                musb_readl(ram, 7 * 4));
-                                        if (code <= 0)
-                                                break;
-                                        code = min(code, (int) max);
-                                        buf += code;
-                                        max -= code;
-                                }
-
-                                if (hw_ep == musb->bulk_ep
-                                                && !list_empty(
-                                                        &musb->in_bulk)) {
-                                        code = dump_queue(&musb->in_bulk,
-                                                        buf, max);
-                                        if (code <= 0)
-                                                break;
-                                        code = min(code, (int) max);
-                                        buf += code;
-                                        max -= code;
-                                } else if (musb->periodic[epnum]) {
-                                        code = dump_qh(musb->periodic[epnum],
-                                                        buf, max);
-                                        if (code <= 0)
-                                                break;
-                                        code = min(code, (int) max);
-                                        buf += code;
-                                        max -= code;
-                                }
-                        }
-
-                        if (dump_tx) {
-                                code = snprintf(buf, max,
-                                        "\nTX%d: %s txcsr %04x interval %02x "
-                                        "max %04x type %02x; "
-                                        "dev %d hub %d port %d"
-                                        "\n",
-                                        epnum,
-                                        hw_ep->tx_double_buffered
-                                                ? "2buf" : "1buf",
-                                        musb_readw(regs, MUSB_TXCSR),
-                                        musb_readb(regs, MUSB_TXINTERVAL),
-                                        musb_readw(regs, MUSB_TXMAXP),
-                                        musb_readb(regs, MUSB_TXTYPE),
-                                        /* FIXME:  assumes multipoint */
-                                        musb_readb(musb->mregs,
-                                                MUSB_BUSCTL_OFFSET(epnum,
-                                                MUSB_TXFUNCADDR)),
-                                        musb_readb(musb->mregs,
-                                                MUSB_BUSCTL_OFFSET(epnum,
-                                                MUSB_TXHUBADDR)),
-                                        musb_readb(musb->mregs,
-                                                MUSB_BUSCTL_OFFSET(epnum,
-                                                MUSB_TXHUBPORT))
-                                        );
-                                if (code <= 0)
-                                        break;
-                                code = min(code, (int) max);
-                                buf += code;
-                                max -= code;
-
-                                if (is_cppi_enabled()
-                                                && epnum
-                                                && hw_ep->tx_channel) {
-                                        unsigned        cppi = epnum - 1;
-                                        void __iomem    *base;
-                                        void __iomem    *ram;
-
-                                        base = musb->ctrl_base;
-                                        ram = DAVINCI_RXCPPI_STATERAM_OFFSET(
-                                                        cppi) + base;
-                                        code = snprintf(buf, max,
-                                                "    tx dma%d: "
-                                                "%08x %08x, %08x %08x; "
-                                                "%08x %08x %08x .. %08x\n",
-                                                cppi,
-                                                musb_readl(ram, 0 * 4),
-                                                musb_readl(ram, 1 * 4),
-                                                musb_readl(ram, 2 * 4),
-                                                musb_readl(ram, 3 * 4),
-                                                musb_readl(ram, 4 * 4),
-                                                musb_readl(ram, 5 * 4),
-                                                musb_readl(ram, 6 * 4),
-                                                musb_readl(ram, 7 * 4));
-                                        if (code <= 0)
-                                                break;
-                                        code = min(code, (int) max);
-                                        buf += code;
-                                        max -= code;
-                                }
-
-                                if (hw_ep == musb->control_ep
-                                                && !list_empty(
-                                                        &musb->control)) {
-                                        code = dump_queue(&musb->control,
-                                                        buf, max);
-                                        if (code <= 0)
-                                                break;
-                                        code = min(code, (int) max);
-                                        buf += code;
-                                        max -= code;
-                                } else if (hw_ep == musb->bulk_ep
-                                                && !list_empty(
-                                                        &musb->out_bulk)) {
-                                        code = dump_queue(&musb->out_bulk,
-                                                        buf, max);
-                                        if (code <= 0)
-                                                break;
-                                        code = min(code, (int) max);
-                                        buf += code;
-                                        max -= code;
-                                } else if (musb->periodic[epnum]) {
-                                        code = dump_qh(musb->periodic[epnum],
-                                                        buf, max);
-                                        if (code <= 0)
-                                                break;
-                                        code = min(code, (int) max);
-                                        buf += code;
-                                        max -= code;
-                                }
-                        }
-                }
-#endif
-#ifdef CONFIG_USB_GADGET_MUSB_HDRC
-                if (is_peripheral_active(musb)) {
-                        code = 0;
-
-                        if (hw_ep->ep_in.desc || !epnum) {
-                                code = dump_ep(&hw_ep->ep_in, buf, max);
-                                if (code <= 0)
-                                        break;
-                                code = min(code, (int) max);
-                                buf += code;
-                                max -= code;
-                        }
-                        if (hw_ep->ep_out.desc) {
-                                code = dump_ep(&hw_ep->ep_out, buf, max);
-                                if (code <= 0)
-                                        break;
-                                code = min(code, (int) max);
-                                buf += code;
-                                max -= code;
-                        }
-                }
-#endif
-        } while (0);
-
-        return buf - aBuffer;
-}
-
-/* Dump the current status and compile options.
- * @param musb the device driver instance
- * @param buffer where to dump the status; it must be big enough to hold the
- * result otherwise "BAD THINGS HAPPENS(TM)".
- */
-static int dump_header_stats(struct musb *musb, char *buffer)
-{
-        int code, count = 0;
-        const void __iomem *mbase = musb->mregs;
-
-        *buffer = 0;
-        count = sprintf(buffer, "Status: %sHDRC, Mode=%s "
-                                "(Power=%02x, DevCtl=%02x)\n",
-                        (musb->is_multipoint ? "M" : ""), MUSB_MODE(musb),
-                        musb_readb(mbase, MUSB_POWER),
-                        musb_readb(mbase, MUSB_DEVCTL));
-        if (count <= 0)
-                return 0;
-        buffer += count;
-
-        code = sprintf(buffer, "OTG state: %s; %sactive\n",
-                        otg_state_string(musb),
-                        musb->is_active ? "" : "in");
-        if (code <= 0)
-                goto done;
-        buffer += code;
-        count += code;
-
-        code = sprintf(buffer,
-                        "Options: "
-#ifdef CONFIG_MUSB_PIO_ONLY
-                        "pio"
-#elif defined(CONFIG_USB_TI_CPPI_DMA)
-                        "cppi-dma"
-#elif defined(CONFIG_USB_INVENTRA_DMA)
-                        "musb-dma"
-#elif defined(CONFIG_USB_TUSB_OMAP_DMA)
-                        "tusb-omap-dma"
-#else
-                        "?dma?"
-#endif
-                        ", "
-#ifdef CONFIG_USB_MUSB_OTG
-                        "otg (peripheral+host)"
-#elif defined(CONFIG_USB_GADGET_MUSB_HDRC)
-                        "peripheral"
-#elif defined(CONFIG_USB_MUSB_HDRC_HCD)
-                        "host"
-#endif
-                        ", debug=%d [eps=%d]\n",
-                debug,
-                musb->nr_endpoints);
-        if (code <= 0)
-                goto done;
-        count += code;
-        buffer += code;
-
-#ifdef  CONFIG_USB_GADGET_MUSB_HDRC
-        code = sprintf(buffer, "Peripheral address: %02x\n",
-                        musb_readb(musb->ctrl_base, MUSB_FADDR));
-        if (code <= 0)
-                goto done;
-        buffer += code;
-        count += code;
-#endif
-
-#ifdef  CONFIG_USB_MUSB_HDRC_HCD
-        code = sprintf(buffer, "Root port status: %08x\n",
-                        musb->port1_status);
-        if (code <= 0)
-                goto done;
-        buffer += code;
-        count += code;
-#endif
-
-#ifdef  CONFIG_ARCH_DAVINCI
-        code = sprintf(buffer,
-                        "DaVinci: ctrl=%02x stat=%1x phy=%03x\n"
-                        "\trndis=%05x auto=%04x intsrc=%08x intmsk=%08x"
-                        "\n",
-                        musb_readl(musb->ctrl_base, DAVINCI_USB_CTRL_REG),
-                        musb_readl(musb->ctrl_base, DAVINCI_USB_STAT_REG),
-                        __raw_readl((void __force __iomem *)
-                                        IO_ADDRESS(USBPHY_CTL_PADDR)),
-                        musb_readl(musb->ctrl_base, DAVINCI_RNDIS_REG),
-                        musb_readl(musb->ctrl_base, DAVINCI_AUTOREQ_REG),
-                        musb_readl(musb->ctrl_base,
-                                        DAVINCI_USB_INT_SOURCE_REG),
-                        musb_readl(musb->ctrl_base,
-                                        DAVINCI_USB_INT_MASK_REG));
-        if (code <= 0)
-                goto done;
-        count += code;
-        buffer += code;
-#endif  /* DAVINCI */
-
-#ifdef CONFIG_USB_TUSB6010
-        code = sprintf(buffer,
-                        "TUSB6010: devconf %08x, phy enable %08x drive %08x"
-                        "\n\totg %03x timer %08x"
-                        "\n\tprcm conf %08x mgmt %08x; int src %08x mask %08x"
-                        "\n",
-                        musb_readl(musb->ctrl_base, TUSB_DEV_CONF),
-                        musb_readl(musb->ctrl_base, TUSB_PHY_OTG_CTRL_ENABLE),
-                        musb_readl(musb->ctrl_base, TUSB_PHY_OTG_CTRL),
-                        musb_readl(musb->ctrl_base, TUSB_DEV_OTG_STAT),
-                        musb_readl(musb->ctrl_base, TUSB_DEV_OTG_TIMER),
-                        musb_readl(musb->ctrl_base, TUSB_PRCM_CONF),
-                        musb_readl(musb->ctrl_base, TUSB_PRCM_MNGMT),
-                        musb_readl(musb->ctrl_base, TUSB_INT_SRC),
-                        musb_readl(musb->ctrl_base, TUSB_INT_MASK));
-        if (code <= 0)
-                goto done;
-        count += code;
-        buffer += code;
-#endif  /* DAVINCI */
-
-        if (is_cppi_enabled() && musb->dma_controller) {
-                code = sprintf(buffer,
-                                "CPPI: txcr=%d txsrc=%01x txena=%01x; "
-                                "rxcr=%d rxsrc=%01x rxena=%01x "
-                                "\n",
-                                musb_readl(musb->ctrl_base,
-                                                DAVINCI_TXCPPI_CTRL_REG),
-                                musb_readl(musb->ctrl_base,
-                                                DAVINCI_TXCPPI_RAW_REG),
-                                musb_readl(musb->ctrl_base,
-                                                DAVINCI_TXCPPI_INTENAB_REG),
-                                musb_readl(musb->ctrl_base,
-                                                DAVINCI_RXCPPI_CTRL_REG),
-                                musb_readl(musb->ctrl_base,
-                                                DAVINCI_RXCPPI_RAW_REG),
-                                musb_readl(musb->ctrl_base,
-                                                DAVINCI_RXCPPI_INTENAB_REG));
-                if (code <= 0)
-                        goto done;
-                count += code;
-                buffer += code;
-        }
-
-#ifdef CONFIG_USB_GADGET_MUSB_HDRC
-        if (is_peripheral_enabled(musb)) {
-                code = sprintf(buffer, "Gadget driver: %s\n",
-                                musb->gadget_driver
-                                        ? musb->gadget_driver->driver.name
-                                        : "(none)");
-                if (code <= 0)
-                        goto done;
-                count += code;
-                buffer += code;
-        }
-#endif
-
-done:
-        return count;
-}
-
-/* Write to ProcFS
- *
- * C soft-connect
- * c soft-disconnect
- * I enable HS
- * i disable HS
- * s stop session
- * F force session (OTG-unfriendly)
- * E rElinquish bus (OTG)
- * H request host mode
- * h cancel host request
- * T start sending TEST_PACKET
- * D<num> set/query the debug level
- */
-static int musb_proc_write(struct file *file, const char __user *buffer,
-                        unsigned long count, void *data)
-{
-        char cmd;
-        u8 reg;
-        struct musb *musb = (struct musb *)data;
-        void __iomem *mbase = musb->mregs;
-
-        /* MOD_INC_USE_COUNT; */
-
-        if (unlikely(copy_from_user(&cmd, buffer, 1)))
-                return -EFAULT;
-
-        switch (cmd) {
-        case 'C':
-                if (mbase) {
-                        reg = musb_readb(mbase, MUSB_POWER)
-                                        | MUSB_POWER_SOFTCONN;
-                        musb_writeb(mbase, MUSB_POWER, reg);
-                }
-                break;
-
-        case 'c':
-                if (mbase) {
-                        reg = musb_readb(mbase, MUSB_POWER)
-                                        & ~MUSB_POWER_SOFTCONN;
-                        musb_writeb(mbase, MUSB_POWER, reg);
-                }
-                break;
-
-        case 'I':
-                if (mbase) {
-                        reg = musb_readb(mbase, MUSB_POWER)
-                                        | MUSB_POWER_HSENAB;
-                        musb_writeb(mbase, MUSB_POWER, reg);
-                }
-                break;
-
-        case 'i':
-                if (mbase) {
-                        reg = musb_readb(mbase, MUSB_POWER)
-                                        & ~MUSB_POWER_HSENAB;
-                        musb_writeb(mbase, MUSB_POWER, reg);
-                }
-                break;
-
-        case 'F':
-                reg = musb_readb(mbase, MUSB_DEVCTL);
-                reg |= MUSB_DEVCTL_SESSION;
-                musb_writeb(mbase, MUSB_DEVCTL, reg);
-                break;
-
-        case 'H':
-                if (mbase) {
-                        reg = musb_readb(mbase, MUSB_DEVCTL);
-                        reg |= MUSB_DEVCTL_HR;
-                        musb_writeb(mbase, MUSB_DEVCTL, reg);
-                        /* MUSB_HST_MODE( ((struct musb*)data) ); */
-                        /* WARNING("Host Mode\n"); */
-                }
-                break;
-
-        case 'h':
-                if (mbase) {
-                        reg = musb_readb(mbase, MUSB_DEVCTL);
-                        reg &= ~MUSB_DEVCTL_HR;
-                        musb_writeb(mbase, MUSB_DEVCTL, reg);
-                }
-                break;
-
-        case 'T':
-                if (mbase) {
-                        musb_load_testpacket(musb);
-                        musb_writeb(mbase, MUSB_TESTMODE,
-                                        MUSB_TEST_PACKET);
-                }
-                break;
-
-#if (MUSB_DEBUG > 0)
-                /* set/read debug level */
-        case 'D':{
-                        if (count > 1) {
-                                char digits[8], *p = digits;
-                                int i = 0, level = 0, sign = 1;
-                                int len = min(count - 1, (unsigned long)8);
-
-                                if (copy_from_user(&digits, &buffer[1], len))
-                                        return -EFAULT;
-
-                                /* optional sign */
-                                if (*p == '-') {
-                                        len -= 1;
-                                        sign = -sign;
-                                        p++;
-                                }
-
-                                /* read it */
-                                while (i++ < len && *p > '0' && *p < '9') {
-                                        level = level * 10 + (*p - '0');
-                                        p++;
-                                }
-
-                                level *= sign;
-                                DBG(1, "debug level %d\n", level);
-                                debug = level;
-                        }
-                }
-                break;
-
-
-        case '?':
-                INFO("?: you are seeing it\n");
-                INFO("C/c: soft connect enable/disable\n");
-                INFO("I/i: hispeed enable/disable\n");
-                INFO("F: force session start\n");
-                INFO("H: host mode\n");
-                INFO("T: start sending TEST_PACKET\n");
-                INFO("D: set/read dbug level\n");
-                break;
-#endif
-
-        default:
-                ERR("Command %c not implemented\n", cmd);
-                break;
-        }
-
-        musb_platform_try_idle(musb, 0);
-
-        return count;
-}
-
-static int musb_proc_read(char *page, char **start,
-                        off_t off, int count, int *eof, void *data)
-{
-        char *buffer = page;
-        int code = 0;
-        unsigned long   flags;
-        struct musb     *musb = data;
-        unsigned        epnum;
-
-        count -= off;
-        count -= 1;             /* for NUL at end */
-        if (count <= 0)
-                return -EINVAL;
-
-        spin_lock_irqsave(&musb->lock, flags);
-
-        code = dump_header_stats(musb, buffer);
-        if (code > 0) {
-                buffer += code;
-                count -= code;
-        }
-
-        /* generate the report for the end points */
-        /* REVISIT ... not unless something's connected! */
-        for (epnum = 0; count >= 0 && epnum < musb->nr_endpoints;
-                        epnum++) {
-                code = dump_end_info(musb, epnum, buffer, count);
-                if (code > 0) {
-                        buffer += code;
-                        count -= code;
-                }
-        }
-
-        musb_platform_try_idle(musb, 0);
-
-        spin_unlock_irqrestore(&musb->lock, flags);
-        *eof = 1;
-
-        return buffer - page;
-}
-
-void __devexit musb_debug_delete(char *name, struct musb *musb)
-{
-        if (musb->proc_entry)
-                remove_proc_entry(name, NULL);
-}
-
-struct proc_dir_entry *__init
-musb_debug_create(char *name, struct musb *data)
-{
-        struct proc_dir_entry   *pde;
-
-        /* FIXME convert everything to seq_file; then later, debugfs */
-
-        if (!name)
-                return NULL;
-
-        pde = create_proc_entry(name, S_IFREG | S_IRUGO | S_IWUSR, NULL);
-        data->proc_entry = pde;
-        if (pde) {
-                pde->data = data;
-                /* pde->owner = THIS_MODULE; */
-
-                pde->read_proc = musb_proc_read;
-                pde->write_proc = musb_proc_write;
-
-                pde->size = 0;
-
-                pr_debug("Registered /proc/%s\n", name);
-        } else {
-                pr_debug("Cannot create a valid proc file entry");
-        }
-
-        return pde;
-}
diff --git a/drivers/usb/serial/garmin_gps.c b/drivers/usb/serial/garmin_gps.c
index 2e663f1afd5e..d95382088075 100644
--- a/drivers/usb/serial/garmin_gps.c
+++ b/drivers/usb/serial/garmin_gps.c
@@ -38,8 +38,6 @@
 #include <linux/usb.h>
 #include <linux/usb/serial.h>
 
-#include <linux/version.h>
-
 /* the mode to be set when the port ist opened */
 static int initial_mode = 1;
 
diff --git a/drivers/usb/serial/option.c b/drivers/usb/serial/option.c
index e143198aeb02..9f9cd36455f4 100644
--- a/drivers/usb/serial/option.c
+++ b/drivers/usb/serial/option.c
@@ -173,6 +173,7 @@ static int  option_send_setup(struct tty_struct *tty, struct usb_serial_port *po
 #define KYOCERA_PRODUCT_KPC680                  0x180a
 
 #define ANYDATA_VENDOR_ID                       0x16d5
+#define ANYDATA_PRODUCT_ADU_620UW               0x6202
 #define ANYDATA_PRODUCT_ADU_E100A               0x6501
 #define ANYDATA_PRODUCT_ADU_500A                0x6502
 
@@ -318,6 +319,7 @@ static struct usb_device_id option_ids[] = {
         { USB_DEVICE(DELL_VENDOR_ID, 0x8138) }, /* Dell Wireless 5520 Voda I Mobile Broadband (3G HSDPA) Minicard */
         { USB_DEVICE(ANYDATA_VENDOR_ID, ANYDATA_PRODUCT_ADU_E100A) },
         { USB_DEVICE(ANYDATA_VENDOR_ID, ANYDATA_PRODUCT_ADU_500A) },
+        { USB_DEVICE(ANYDATA_VENDOR_ID, ANYDATA_PRODUCT_ADU_620UW) },
         { USB_DEVICE(AXESSTEL_VENDOR_ID, AXESSTEL_PRODUCT_MV110H) },
         { USB_DEVICE(ONDA_VENDOR_ID, ONDA_PRODUCT_MSA501HS) },
         { USB_DEVICE(ONDA_VENDOR_ID, ONDA_PRODUCT_ET502HS) },
diff --git a/drivers/video/arkfb.c b/drivers/video/arkfb.c
index 4bd569e479a7..314d18694b6a 100644
--- a/drivers/video/arkfb.c
+++ b/drivers/video/arkfb.c
@@ -11,7 +11,6 @@
  *  Code is based on s3fb
  */
 
-#include <linux/version.h>
 #include <linux/module.h>
 #include <linux/kernel.h>
 #include <linux/errno.h>
diff --git a/drivers/video/s3fb.c b/drivers/video/s3fb.c
index 8361bd0e3df1..4dcec48a1d78 100644
--- a/drivers/video/s3fb.c
+++ b/drivers/video/s3fb.c
@@ -11,7 +11,6 @@
  * which is based on the code of neofb.
  */
 
-#include <linux/version.h>
 #include <linux/module.h>
 #include <linux/kernel.h>
 #include <linux/errno.h>
diff --git a/drivers/video/vermilion/vermilion.h b/drivers/video/vermilion/vermilion.h
index c4aba59d4809..7491abfcf1fc 100644
--- a/drivers/video/vermilion/vermilion.h
+++ b/drivers/video/vermilion/vermilion.h
@@ -30,7 +30,6 @@
 #define _VERMILION_H_
 
 #include <linux/kernel.h>
-#include <linux/version.h>
 #include <linux/pci.h>
 #include <asm/atomic.h>
 #include <linux/mutex.h>
diff --git a/drivers/video/vt8623fb.c b/drivers/video/vt8623fb.c
index 34aae7a2a62b..3df17dc8c3d7 100644
--- a/drivers/video/vt8623fb.c
+++ b/drivers/video/vt8623fb.c
@@ -12,7 +12,6 @@
  * (http://davesdomain.org.uk/viafb/)
  */
 
-#include <linux/version.h>
 #include <linux/module.h>
 #include <linux/kernel.h>
 #include <linux/errno.h>
diff --git a/drivers/video/xilinxfb.c b/drivers/video/xilinxfb.c
index 7b3a8423f485..5da3d2423cc0 100644
--- a/drivers/video/xilinxfb.c
+++ b/drivers/video/xilinxfb.c
@@ -24,7 +24,6 @@
 #include <linux/device.h>
 #include <linux/module.h>
 #include <linux/kernel.h>
-#include <linux/version.h>
 #include <linux/errno.h>
 #include <linux/string.h>
 #include <linux/mm.h>
diff --git a/drivers/virtio/virtio_balloon.c b/drivers/virtio/virtio_balloon.c
index bfef604160d1..62eab43152d2 100644
--- a/drivers/virtio/virtio_balloon.c
+++ b/drivers/virtio/virtio_balloon.c
@@ -158,7 +158,7 @@ static inline s64 towards_target(struct virtio_balloon *vb)
         vb->vdev->config->get(vb->vdev,
                               offsetof(struct virtio_balloon_config, num_pages),
                               &v, sizeof(v));
-        return v - vb->num_pages;
+        return (s64)v - vb->num_pages;
 }
 
 static void update_balloon_size(struct virtio_balloon *vb)
diff --git a/drivers/watchdog/Kconfig b/drivers/watchdog/Kconfig
index db20542796bf..c51036716700 100644
--- a/drivers/watchdog/Kconfig
+++ b/drivers/watchdog/Kconfig
@@ -465,6 +465,16 @@ config PC87413_WDT
 
           Most people will say N.
 
+config RDC321X_WDT
+        tristate "RDC R-321x SoC watchdog"
+        depends on X86_RDC321X
+        help
+          This is the driver for the built in hardware watchdog
+          in the RDC R-321x SoC.
+
+          To compile this driver as a module, choose M here: the
+          module will be called rdc321x_wdt.
+
 config 60XX_WDT
         tristate "SBC-60XX Watchdog Timer"
         depends on X86
@@ -633,6 +643,16 @@ config SBC_EPX_C3_WATCHDOG
 
 # MIPS Architecture
 
+config RC32434_WDT
+        tristate "IDT RC32434 SoC Watchdog Timer"
+        depends on MIKROTIK_RB532
+        help
+          Hardware driver for the IDT RC32434 SoC built-in
+          watchdog timer.
+
+          To compile this driver as a module, choose M here: the
+          module will be called rc32434_wdt.
+
 config INDYDOG
         tristate "Indy/I2 Hardware Watchdog"
         depends on SGI_HAS_INDYDOG
@@ -692,10 +712,6 @@ config MPC5200_WDT
         tristate "MPC5200 Watchdog Timer"
         depends on PPC_MPC52xx
 
-config 8xx_WDT
-        tristate "MPC8xx Watchdog Timer"
-        depends on 8xx
-
 config 8xxx_WDT
         tristate "MPC8xxx Platform Watchdog Timer"
         depends on PPC_8xx || PPC_83xx || PPC_86xx
diff --git a/drivers/watchdog/Makefile b/drivers/watchdog/Makefile
index ca3dc043d786..e0ef123fbdea 100644
--- a/drivers/watchdog/Makefile
+++ b/drivers/watchdog/Makefile
@@ -75,6 +75,7 @@ obj-$(CONFIG_HP_WATCHDOG) += hpwdt.o
 obj-$(CONFIG_SC1200_WDT) += sc1200wdt.o
 obj-$(CONFIG_SCx200_WDT) += scx200_wdt.o
 obj-$(CONFIG_PC87413_WDT) += pc87413_wdt.o
+obj-$(CONFIG_RDC321X_WDT) += rdc321x_wdt.o
 obj-$(CONFIG_60XX_WDT) += sbc60xxwdt.o
 obj-$(CONFIG_SBC8360_WDT) += sbc8360.o
 obj-$(CONFIG_SBC7240_WDT) += sbc7240_wdt.o
@@ -94,6 +95,7 @@ obj-$(CONFIG_SBC_EPX_C3_WATCHDOG) += sbc_epx_c3.o
 # M68KNOMMU Architecture
 
 # MIPS Architecture
+obj-$(CONFIG_RC32434_WDT) += rc32434_wdt.o
 obj-$(CONFIG_INDYDOG) += indydog.o
 obj-$(CONFIG_WDT_MTX1) += mtx-1_wdt.o
 obj-$(CONFIG_WDT_RM9K_GPI) += rm9k_wdt.o
@@ -104,7 +106,6 @@ obj-$(CONFIG_TXX9_WDT) += txx9wdt.o
 # PARISC Architecture
 
 # POWERPC Architecture
-obj-$(CONFIG_8xx_WDT) += mpc8xx_wdt.o
 obj-$(CONFIG_MPC5200_WDT) += mpc5200_wdt.o
 obj-$(CONFIG_8xxx_WDT) += mpc8xxx_wdt.o
 obj-$(CONFIG_MV64X60_WDT) += mv64x60_wdt.o
diff --git a/drivers/watchdog/at91rm9200_wdt.c b/drivers/watchdog/at91rm9200_wdt.c
index d061f0ad2d20..993e5f52afef 100644
--- a/drivers/watchdog/at91rm9200_wdt.c
+++ b/drivers/watchdog/at91rm9200_wdt.c
@@ -241,7 +241,7 @@ static int at91wdt_resume(struct platform_device *pdev)
 {
         if (at91wdt_busy)
                 at91_wdt_start();
-                return 0;
+        return 0;
 }
 
 #else
diff --git a/drivers/watchdog/hpwdt.c b/drivers/watchdog/hpwdt.c
index d039d5f2fd1c..a3765e0be4a8 100644
--- a/drivers/watchdog/hpwdt.c
+++ b/drivers/watchdog/hpwdt.c
@@ -116,6 +116,7 @@ static unsigned int reload;			/* the computed soft_margin */
 static int nowayout = WATCHDOG_NOWAYOUT;
 static char expect_release;
 static unsigned long hpwdt_is_open;
+static unsigned int allow_kdump;
 
 static void __iomem *pci_mem_addr;              /* the PCI-memory address */
 static unsigned long __iomem *hpwdt_timer_reg;
@@ -221,19 +222,19 @@ static int __devinit cru_detect(unsigned long map_entry,
 
         if (cmn_regs.u1.ral != 0) {
                 printk(KERN_WARNING
-                       "hpwdt: Call succeeded but with an error: 0x%x\n",
-                       cmn_regs.u1.ral);
+                        "hpwdt: Call succeeded but with an error: 0x%x\n",
+                        cmn_regs.u1.ral);
         } else {
                 physical_bios_base = cmn_regs.u2.rebx;
                 physical_bios_offset = cmn_regs.u4.redx;
                 cru_length = cmn_regs.u3.recx;
                 cru_physical_address =
-                    physical_bios_base + physical_bios_offset;
+                        physical_bios_base + physical_bios_offset;
 
                 /* If the values look OK, then map it in. */
                 if ((physical_bios_base + physical_bios_offset)) {
                         cru_rom_addr =
-                            ioremap(cru_physical_address, cru_length);
+                                ioremap(cru_physical_address, cru_length);
                         if (cru_rom_addr)
                                 retval = 0;
                 }
@@ -356,7 +357,6 @@ asm(".text                      \n\t"
     "call       *%r12           \n\t"
     "pushfq                     \n\t"
     "popq        %r12           \n\t"
-    "popfq                      \n\t"
     "movl       %eax, (%r9)     \n\t"
     "movl       %ebx, 4(%r9)    \n\t"
     "movl       %ecx, 8(%r9)    \n\t"
@@ -390,10 +390,10 @@ static void __devinit dmi_find_cru(const struct dmi_header *dm)
                 smbios_cru64_ptr = (struct smbios_cru64_info *) dm;
                 if (smbios_cru64_ptr->signature == CRU_BIOS_SIGNATURE_VALUE) {
                         cru_physical_address =
-                            smbios_cru64_ptr->physical_address +
-                            smbios_cru64_ptr->double_offset;
+                                smbios_cru64_ptr->physical_address +
+                                smbios_cru64_ptr->double_offset;
                         cru_rom_addr = ioremap(cru_physical_address,
-                                    smbios_cru64_ptr->double_length);
+                                smbios_cru64_ptr->double_length);
                 }
         }
 }
@@ -405,7 +405,7 @@ static int __devinit detect_cru_service(void)
         dmi_walk(dmi_find_cru);
 
         /* if cru_rom_addr has been set then we found a CRU service */
-        return ((cru_rom_addr != NULL) ? 0: -ENODEV);
+        return ((cru_rom_addr != NULL) ? 0 : -ENODEV);
 }
 
 /* ------------------------------------------------------------------------- */
@@ -413,34 +413,6 @@ static int __devinit detect_cru_service(void)
 #endif
 
 /*
- *      NMI Handler
- */
-static int hpwdt_pretimeout(struct notifier_block *nb, unsigned long ulReason,
-                            void *data)
-{
-        unsigned long rom_pl;
-        static int die_nmi_called;
-
-        if (ulReason != DIE_NMI && ulReason != DIE_NMI_IPI)
-                return NOTIFY_OK;
-
-        spin_lock_irqsave(&rom_lock, rom_pl);
-        if (!die_nmi_called)
-                asminline_call(&cmn_regs, cru_rom_addr);
-        die_nmi_called = 1;
-        spin_unlock_irqrestore(&rom_lock, rom_pl);
-        if (cmn_regs.u1.ral == 0) {
-                printk(KERN_WARNING "hpwdt: An NMI occurred, "
-                       "but unable to determine source.\n");
-        } else {
-                panic("An NMI occurred, please see the Integrated "
-                        "Management Log for details.\n");
-        }
-
-        return NOTIFY_STOP;
-}
-
-/*
  *      Watchdog operations
  */
 static void hpwdt_start(void)
@@ -484,6 +456,36 @@ static int hpwdt_change_timer(int new_margin)
 }
 
 /*
+ *      NMI Handler
+ */
+static int hpwdt_pretimeout(struct notifier_block *nb, unsigned long ulReason,
+                                void *data)
+{
+        unsigned long rom_pl;
+        static int die_nmi_called;
+
+        if (ulReason != DIE_NMI && ulReason != DIE_NMI_IPI)
+                return NOTIFY_OK;
+
+        spin_lock_irqsave(&rom_lock, rom_pl);
+        if (!die_nmi_called)
+                asminline_call(&cmn_regs, cru_rom_addr);
+        die_nmi_called = 1;
+        spin_unlock_irqrestore(&rom_lock, rom_pl);
+        if (cmn_regs.u1.ral == 0) {
+                printk(KERN_WARNING "hpwdt: An NMI occurred, "
+                        "but unable to determine source.\n");
+        } else {
+                if (allow_kdump)
+                        hpwdt_stop();
+                panic("An NMI occurred, please see the Integrated "
+                        "Management Log for details.\n");
+        }
+
+        return NOTIFY_STOP;
+}
+
+/*
  *      /dev/watchdog handling
  */
 static int hpwdt_open(struct inode *inode, struct file *file)
@@ -625,17 +627,18 @@ static struct notifier_block die_notifier = {
  */
 
 static int __devinit hpwdt_init_one(struct pci_dev *dev,
-                                    const struct pci_device_id *ent)
+                                        const struct pci_device_id *ent)
 {
         int retval;
 
         /*
          * First let's find out if we are on an iLO2 server. We will
          * not run on a legacy ASM box.
+         * So we only support the G5 ProLiant servers and higher.
          */
         if (dev->subsystem_vendor != PCI_VENDOR_ID_HP) {
                 dev_warn(&dev->dev,
-                       "This server does not have an iLO2 ASIC.\n");
+                        "This server does not have an iLO2 ASIC.\n");
                 return -ENODEV;
         }
 
@@ -669,7 +672,7 @@ static int __devinit hpwdt_init_one(struct pci_dev *dev,
         retval = detect_cru_service();
         if (retval < 0) {
                 dev_warn(&dev->dev,
-                       "Unable to detect the %d Bit CRU Service.\n",
+                        "Unable to detect the %d Bit CRU Service.\n",
                         HPWDT_ARCH);
                 goto error_get_cru;
         }
@@ -684,7 +687,7 @@ static int __devinit hpwdt_init_one(struct pci_dev *dev,
         retval = register_die_notifier(&die_notifier);
         if (retval != 0) {
                 dev_warn(&dev->dev,
-                       "Unable to register a die notifier (err=%d).\n",
+                        "Unable to register a die notifier (err=%d).\n",
                         retval);
                 goto error_die_notifier;
         }
@@ -699,8 +702,9 @@ static int __devinit hpwdt_init_one(struct pci_dev *dev,
 
         printk(KERN_INFO
                 "hp Watchdog Timer Driver: 1.00"
-                ", timer margin: %d seconds( nowayout=%d).\n",
-                soft_margin, nowayout);
+                ", timer margin: %d seconds (nowayout=%d)"
+                ", allow kernel dump: %s (default = 0/OFF).\n",
+                soft_margin, nowayout, (allow_kdump == 0) ? "OFF" : "ON");
 
         return 0;
 
@@ -755,6 +759,9 @@ MODULE_ALIAS_MISCDEV(WATCHDOG_MINOR);
 module_param(soft_margin, int, 0);
 MODULE_PARM_DESC(soft_margin, "Watchdog timeout in seconds");
 
+module_param(allow_kdump, int, 0);
+MODULE_PARM_DESC(allow_kdump, "Start a kernel dump after NMI occurs");
+
 module_param(nowayout, int, 0);
 MODULE_PARM_DESC(nowayout, "Watchdog cannot be stopped once started (default="
                 __MODULE_STRING(WATCHDOG_NOWAYOUT) ")");
diff --git a/drivers/watchdog/mpc8xx_wdt.c b/drivers/watchdog/mpc8xx_wdt.c
deleted file mode 100644
index 1336425acf20..000000000000
--- a/drivers/watchdog/mpc8xx_wdt.c
+++ /dev/null
@@ -1,170 +0,0 @@
-/*
- * mpc8xx_wdt.c - MPC8xx watchdog userspace interface
- *
- * Author: Florian Schirmer <jolt@tuxbox.org>
- *
- * 2002 (c) Florian Schirmer <jolt@tuxbox.org> This file is licensed under
- * the terms of the GNU General Public License version 2. This program
- * is licensed "as is" without any warranty of any kind, whether express
- * or implied.
- */
-
-#include <linux/fs.h>
-#include <linux/init.h>
-#include <linux/kernel.h>
-#include <linux/miscdevice.h>
-#include <linux/module.h>
-#include <linux/watchdog.h>
-#include <asm/8xx_immap.h>
-#include <linux/uaccess.h>
-#include <linux/io.h>
-#include <syslib/m8xx_wdt.h>
-
-static unsigned long wdt_opened;
-static int wdt_status;
-static spinlock_t wdt_lock;
-
-static void mpc8xx_wdt_handler_disable(void)
-{
-        volatile uint __iomem *piscr;
-        piscr = (uint *)&((immap_t *)IMAP_ADDR)->im_sit.sit_piscr;
-
-        if (!m8xx_has_internal_rtc)
-                m8xx_wdt_stop_timer();
-        else
-                out_be32(piscr, in_be32(piscr) & ~(PISCR_PIE | PISCR_PTE));
-        printk(KERN_NOTICE "mpc8xx_wdt: keep-alive handler deactivated\n");
-}
-
-static void mpc8xx_wdt_handler_enable(void)
-{
-        volatile uint __iomem *piscr;
-        piscr = (uint *)&((immap_t *)IMAP_ADDR)->im_sit.sit_piscr;
-
-        if (!m8xx_has_internal_rtc)
-                m8xx_wdt_install_timer();
-        else
-                out_be32(piscr, in_be32(piscr) | PISCR_PIE | PISCR_PTE);
-        printk(KERN_NOTICE "mpc8xx_wdt: keep-alive handler activated\n");
-}
-
-static int mpc8xx_wdt_open(struct inode *inode, struct file *file)
-{
-        if (test_and_set_bit(0, &wdt_opened))
-                return -EBUSY;
-        m8xx_wdt_reset();
-        mpc8xx_wdt_handler_disable();
-        return nonseekable_open(inode, file);
-}
-
-static int mpc8xx_wdt_release(struct inode *inode, struct file *file)
-{
-        m8xx_wdt_reset();
-#if !defined(CONFIG_WATCHDOG_NOWAYOUT)
-        mpc8xx_wdt_handler_enable();
-#endif
-        clear_bit(0, &wdt_opened);
-        return 0;
-}
-
-static ssize_t mpc8xx_wdt_write(struct file *file, const char *data,
-                                                size_t len, loff_t *ppos)
-{
-        if (len) {
-                spin_lock(&wdt_lock);
-                m8xx_wdt_reset();
-                spin_unlock(&wdt_lock);
-        }
-        return len;
-}
-
-static long mpc8xx_wdt_ioctl(struct file *file,
-                                        unsigned int cmd, unsigned long arg)
-{
-        int timeout;
-        static struct watchdog_info info = {
-                .options = WDIOF_KEEPALIVEPING,
-                .firmware_version = 0,
-                .identity = "MPC8xx watchdog",
-        };
-
-        switch (cmd) {
-        case WDIOC_GETSUPPORT:
-                if (copy_to_user((void *)arg, &info, sizeof(info)))
-                        return -EFAULT;
-                break;
-
-        case WDIOC_GETSTATUS:
-        case WDIOC_GETBOOTSTATUS:
-                if (put_user(wdt_status, (int *)arg))
-                        return -EFAULT;
-                wdt_status &= ~WDIOF_KEEPALIVEPING;
-                break;
-
-        case WDIOC_GETTEMP:
-                return -EOPNOTSUPP;
-
-        case WDIOC_SETOPTIONS:
-                return -EOPNOTSUPP;
-
-        case WDIOC_KEEPALIVE:
-                spin_lock(&wdt_lock);
-                m8xx_wdt_reset();
-                wdt_status |= WDIOF_KEEPALIVEPING;
-                spin_unlock(&wdt_lock);
-                break;
-
-        case WDIOC_SETTIMEOUT:
-                return -EOPNOTSUPP;
-
-        case WDIOC_GETTIMEOUT:
-                spin_lock(&wdt_lock);
-                timeout = m8xx_wdt_get_timeout();
-                spin_unlock(&wdt_lock);
-                if (put_user(timeout, (int *)arg))
-                        return -EFAULT;
-                break;
-
-        default:
-                return -ENOTTY;
-        }
-
-        return 0;
-}
-
-static const struct file_operations mpc8xx_wdt_fops = {
-        .owner = THIS_MODULE,
-        .llseek = no_llseek,
-        .write = mpc8xx_wdt_write,
-        .unlocked_ioctl = mpc8xx_wdt_ioctl,
-        .open = mpc8xx_wdt_open,
-        .release = mpc8xx_wdt_release,
-};
-
-static struct miscdevice mpc8xx_wdt_miscdev = {
-        .minor = WATCHDOG_MINOR,
-        .name = "watchdog",
-        .fops = &mpc8xx_wdt_fops,
-};
-
-static int __init mpc8xx_wdt_init(void)
-{
-        spin_lock_init(&wdt_lock);
-        return misc_register(&mpc8xx_wdt_miscdev);
-}
-
-static void __exit mpc8xx_wdt_exit(void)
-{
-        misc_deregister(&mpc8xx_wdt_miscdev);
-
-        m8xx_wdt_reset();
-        mpc8xx_wdt_handler_enable();
-}
-
-module_init(mpc8xx_wdt_init);
-module_exit(mpc8xx_wdt_exit);
-
-MODULE_AUTHOR("Florian Schirmer <jolt@tuxbox.org>");
-MODULE_DESCRIPTION("MPC8xx watchdog driver");
-MODULE_LICENSE("GPL");
-MODULE_ALIAS_MISCDEV(WATCHDOG_MINOR);
diff --git a/drivers/watchdog/mpc8xxx_wdt.c b/drivers/watchdog/mpc8xxx_wdt.c
index f2094960e662..38c588ee694f 100644
--- a/drivers/watchdog/mpc8xxx_wdt.c
+++ b/drivers/watchdog/mpc8xxx_wdt.c
@@ -48,6 +48,7 @@ struct mpc8xxx_wdt_type {
 };
 
 static struct mpc8xxx_wdt __iomem *wd_base;
+static int mpc8xxx_wdt_init_late(void);
 
 static u16 timeout = 0xffff;
 module_param(timeout, ushort, 0);
@@ -213,6 +214,12 @@ static int __devinit mpc8xxx_wdt_probe(struct of_device *ofdev,
         else
                 timeout_sec = timeout / freq;
 
+#ifdef MODULE
+        ret = mpc8xxx_wdt_init_late();
+        if (ret)
+                goto err_unmap;
+#endif
+
         pr_info("WDT driver for MPC8xxx initialized. mode:%s timeout=%d "
                 "(%d seconds)\n", reset ? "reset" : "interrupt", timeout,
                 timeout_sec);
@@ -280,7 +287,7 @@ static struct of_platform_driver mpc8xxx_wdt_driver = {
  * very early to start pinging the watchdog (misc devices are not yet
  * available), and later module_init() just registers the misc device.
  */
-static int __init mpc8xxx_wdt_init_late(void)
+static int mpc8xxx_wdt_init_late(void)
 {
         int ret;
 
@@ -295,7 +302,9 @@ static int __init mpc8xxx_wdt_init_late(void)
         }
         return 0;
 }
+#ifndef MODULE
 module_init(mpc8xxx_wdt_init_late);
+#endif
 
 static int __init mpc8xxx_wdt_init(void)
 {
diff --git a/drivers/watchdog/pc87413_wdt.c b/drivers/watchdog/pc87413_wdt.c
index e91ada72da1d..484c215e9f3f 100644
--- a/drivers/watchdog/pc87413_wdt.c
+++ b/drivers/watchdog/pc87413_wdt.c
@@ -30,7 +30,6 @@
 #include <linux/init.h>
 #include <linux/spinlock.h>
 #include <linux/moduleparam.h>
-#include <linux/version.h>
 #include <linux/io.h>
 #include <linux/uaccess.h>
 
diff --git a/drivers/watchdog/rc32434_wdt.c b/drivers/watchdog/rc32434_wdt.c
new file mode 100644
index 000000000000..6756bcb009ed
--- /dev/null
+++ b/drivers/watchdog/rc32434_wdt.c
@@ -0,0 +1,344 @@
+/*
+ *  IDT Interprise 79RC32434 watchdog driver
+ *
+ *  Copyright (C) 2006, Ondrej Zajicek <santiago@crfreenet.org>
+ *  Copyright (C) 2008, Florian Fainelli <florian@openwrt.org>
+ *
+ *  based on
+ *  SoftDog 0.05:       A Software Watchdog Device
+ *
+ *  (c) Copyright 1996 Alan Cox <alan@redhat.com>, All Rights Reserved.
+ *
+ *  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 the Free Software Foundation; either version
+ *  2 of the License, or (at your option) any later version.
+ *
+ */
+
+#include <linux/module.h>
+#include <linux/types.h>
+#include <linux/kernel.h>
+#include <linux/fs.h>
+#include <linux/mm.h>
+#include <linux/miscdevice.h>
+#include <linux/watchdog.h>
+#include <linux/reboot.h>
+#include <linux/smp_lock.h>
+#include <linux/init.h>
+#include <linux/platform_device.h>
+#include <linux/uaccess.h>
+
+#include <asm/bootinfo.h>
+#include <asm/time.h>
+#include <asm/mach-rc32434/integ.h>
+
+#define MAX_TIMEOUT                     20
+#define RC32434_WDT_INTERVAL            (15 * HZ)
+
+#define VERSION "0.2"
+
+static struct {
+        struct completion stop;
+        int running;
+        struct timer_list timer;
+        int queue;
+        int default_ticks;
+        unsigned long inuse;
+} rc32434_wdt_device;
+
+static struct integ __iomem *wdt_reg;
+static int ticks = 100 * HZ;
+
+static int expect_close;
+static int timeout;
+
+static int nowayout = WATCHDOG_NOWAYOUT;
+module_param(nowayout, int, 0);
+MODULE_PARM_DESC(nowayout, "Watchdog cannot be stopped once started (default="
+        __MODULE_STRING(WATCHDOG_NOWAYOUT) ")");
+
+
+static void rc32434_wdt_start(void)
+{
+        u32 val;
+
+        if (!rc32434_wdt_device.inuse) {
+                writel(0, &wdt_reg->wtcount);
+
+                val = RC32434_ERR_WRE;
+                writel(readl(&wdt_reg->errcs) | val, &wdt_reg->errcs);
+
+                val = RC32434_WTC_EN;
+                writel(readl(&wdt_reg->wtc) | val, &wdt_reg->wtc);
+        }
+        rc32434_wdt_device.running++;
+}
+
+static void rc32434_wdt_stop(void)
+{
+        u32 val;
+
+        if (rc32434_wdt_device.running) {
+
+                val = ~RC32434_WTC_EN;
+                writel(readl(&wdt_reg->wtc) & val, &wdt_reg->wtc);
+
+                val = ~RC32434_ERR_WRE;
+                writel(readl(&wdt_reg->errcs) & val, &wdt_reg->errcs);
+
+                rc32434_wdt_device.running = 0;
+        }
+}
+
+static void rc32434_wdt_set(int new_timeout)
+{
+        u32 cmp = new_timeout * HZ;
+        u32 state, val;
+
+        timeout = new_timeout;
+        /*
+         * store and disable WTC
+         */
+        state = (u32)(readl(&wdt_reg->wtc) & RC32434_WTC_EN);
+        val = ~RC32434_WTC_EN;
+        writel(readl(&wdt_reg->wtc) & val, &wdt_reg->wtc);
+
+        writel(0, &wdt_reg->wtcount);
+        writel(cmp, &wdt_reg->wtcompare);
+
+        /*
+         * restore WTC
+         */
+
+        writel(readl(&wdt_reg->wtc) | state, &wdt_reg);
+}
+
+static void rc32434_wdt_reset(void)
+{
+        ticks = rc32434_wdt_device.default_ticks;
+}
+
+static void rc32434_wdt_update(unsigned long unused)
+{
+        if (rc32434_wdt_device.running)
+                ticks--;
+
+        writel(0, &wdt_reg->wtcount);
+
+        if (rc32434_wdt_device.queue && ticks)
+                mod_timer(&rc32434_wdt_device.timer,
+                        jiffies + RC32434_WDT_INTERVAL);
+        else
+                complete(&rc32434_wdt_device.stop);
+}
+
+static int rc32434_wdt_open(struct inode *inode, struct file *file)
+{
+        if (test_and_set_bit(0, &rc32434_wdt_device.inuse))
+                return -EBUSY;
+
+        if (nowayout)
+                __module_get(THIS_MODULE);
+
+        return nonseekable_open(inode, file);
+}
+
+static int rc32434_wdt_release(struct inode *inode, struct file *file)
+{
+        if (expect_close && nowayout == 0) {
+                rc32434_wdt_stop();
+                printk(KERN_INFO KBUILD_MODNAME ": disabling watchdog timer\n");
+                module_put(THIS_MODULE);
+        } else
+                printk(KERN_CRIT KBUILD_MODNAME
+                        ": device closed unexpectedly. WDT will not stop !\n");
+
+        clear_bit(0, &rc32434_wdt_device.inuse);
+        return 0;
+}
+
+static ssize_t rc32434_wdt_write(struct file *file, const char *data,
+                                size_t len, loff_t *ppos)
+{
+        if (len) {
+                if (!nowayout) {
+                        size_t i;
+
+                        /* In case it was set long ago */
+                        expect_close = 0;
+
+                        for (i = 0; i != len; i++) {
+                                char c;
+                                if (get_user(c, data + i))
+                                        return -EFAULT;
+                                if (c == 'V')
+                                        expect_close = 1;
+                        }
+                }
+                rc32434_wdt_update(0);
+                return len;
+        }
+        return 0;
+}
+
+static int rc32434_wdt_ioctl(struct inode *inode, struct file *file,
+        unsigned int cmd, unsigned long arg)
+{
+        void __user *argp = (void __user *)arg;
+        int new_timeout;
+        unsigned int value;
+        static struct watchdog_info ident = {
+                .options =              WDIOF_SETTIMEOUT |
+                                        WDIOF_KEEPALIVEPING |
+                                        WDIOF_MAGICCLOSE,
+                .identity =             "RC32434_WDT Watchdog",
+        };
+        switch (cmd) {
+        case WDIOC_KEEPALIVE:
+                rc32434_wdt_reset();
+                break;
+        case WDIOC_GETSTATUS:
+        case WDIOC_GETBOOTSTATUS:
+                value = readl(&wdt_reg->wtcount);
+                if (copy_to_user(argp, &value, sizeof(int)))
+                        return -EFAULT;
+                break;
+        case WDIOC_GETSUPPORT:
+                if (copy_to_user(argp, &ident, sizeof(ident)))
+                        return -EFAULT;
+                break;
+        case WDIOC_SETOPTIONS:
+                if (copy_from_user(&value, argp, sizeof(int)))
+                        return -EFAULT;
+                switch (value) {
+                case WDIOS_ENABLECARD:
+                        rc32434_wdt_start();
+                        break;
+                case WDIOS_DISABLECARD:
+                        rc32434_wdt_stop();
+                default:
+                        return -EINVAL;
+                }
+                break;
+        case WDIOC_SETTIMEOUT:
+                if (copy_from_user(&new_timeout, argp, sizeof(int)))
+                        return -EFAULT;
+                if (new_timeout < 1)
+                        return -EINVAL;
+                if (new_timeout > MAX_TIMEOUT)
+                        return -EINVAL;
+                rc32434_wdt_set(new_timeout);
+        case WDIOC_GETTIMEOUT:
+                return copy_to_user(argp, &timeout, sizeof(int));
+        default:
+                return -ENOTTY;
+        }
+
+        return 0;
+}
+
+static struct file_operations rc32434_wdt_fops = {
+        .owner          = THIS_MODULE,
+        .llseek         = no_llseek,
+        .write          = rc32434_wdt_write,
+        .ioctl          = rc32434_wdt_ioctl,
+        .open           = rc32434_wdt_open,
+        .release        = rc32434_wdt_release,
+};
+
+static struct miscdevice rc32434_wdt_miscdev = {
+        .minor  = WATCHDOG_MINOR,
+        .name   = "watchdog",
+        .fops   = &rc32434_wdt_fops,
+};
+
+static char banner[] = KERN_INFO KBUILD_MODNAME
+                ": Watchdog Timer version " VERSION ", timer margin: %d sec\n";
+
+static int rc32434_wdt_probe(struct platform_device *pdev)
+{
+        int ret;
+        struct resource *r;
+
+        r = platform_get_resource_byname(pdev, IORESOURCE_MEM, "rb500_wdt_res");
+        if (!r) {
+                printk(KERN_ERR KBUILD_MODNAME
+                        "failed to retrieve resources\n");
+                return -ENODEV;
+        }
+
+        wdt_reg = ioremap_nocache(r->start, r->end - r->start);
+        if (!wdt_reg) {
+                printk(KERN_ERR KBUILD_MODNAME
+                        "failed to remap I/O resources\n");
+                return -ENXIO;
+        }
+
+        ret = misc_register(&rc32434_wdt_miscdev);
+
+        if (ret < 0) {
+                printk(KERN_ERR KBUILD_MODNAME
+                        "failed to register watchdog device\n");
+                goto unmap;
+        }
+
+        init_completion(&rc32434_wdt_device.stop);
+        rc32434_wdt_device.queue = 0;
+
+        clear_bit(0, &rc32434_wdt_device.inuse);
+
+        setup_timer(&rc32434_wdt_device.timer, rc32434_wdt_update, 0L);
+
+        rc32434_wdt_device.default_ticks = ticks;
+
+        rc32434_wdt_start();
+
+        printk(banner, timeout);
+
+        return 0;
+
+unmap:
+        iounmap(wdt_reg);
+        return ret;
+}
+
+static int rc32434_wdt_remove(struct platform_device *pdev)
+{
+        if (rc32434_wdt_device.queue) {
+                rc32434_wdt_device.queue = 0;
+                wait_for_completion(&rc32434_wdt_device.stop);
+        }
+        misc_deregister(&rc32434_wdt_miscdev);
+
+        iounmap(wdt_reg);
+
+        return 0;
+}
+
+static struct platform_driver rc32434_wdt = {
+        .probe  = rc32434_wdt_probe,
+        .remove = rc32434_wdt_remove,
+        .driver = {
+                .name = "rc32434_wdt",
+        }
+};
+
+static int __init rc32434_wdt_init(void)
+{
+        return platform_driver_register(&rc32434_wdt);
+}
+
+static void __exit rc32434_wdt_exit(void)
+{
+        platform_driver_unregister(&rc32434_wdt);
+}
+
+module_init(rc32434_wdt_init);
+module_exit(rc32434_wdt_exit);
+
+MODULE_AUTHOR("Ondrej Zajicek <santiago@crfreenet.org>,"
+                "Florian Fainelli <florian@openwrt.org>");
+MODULE_DESCRIPTION("Driver for the IDT RC32434 SoC watchdog");
+MODULE_LICENSE("GPL");
+MODULE_ALIAS_MISCDEV(WATCHDOG_MINOR);
diff --git a/drivers/watchdog/rdc321x_wdt.c b/drivers/watchdog/rdc321x_wdt.c
new file mode 100644
index 000000000000..9108efa73e7d
--- /dev/null
+++ b/drivers/watchdog/rdc321x_wdt.c
@@ -0,0 +1,285 @@
+/*
+ * RDC321x watchdog driver
+ *
+ * Copyright (C) 2007 Florian Fainelli <florian@openwrt.org>
+ *
+ * This driver is highly inspired from the cpu5_wdt driver
+ *
+ * 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
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ *
+ */
+
+#include <linux/module.h>
+#include <linux/moduleparam.h>
+#include <linux/types.h>
+#include <linux/errno.h>
+#include <linux/miscdevice.h>
+#include <linux/fs.h>
+#include <linux/init.h>
+#include <linux/ioport.h>
+#include <linux/timer.h>
+#include <linux/completion.h>
+#include <linux/jiffies.h>
+#include <linux/platform_device.h>
+#include <linux/watchdog.h>
+#include <linux/io.h>
+#include <linux/uaccess.h>
+
+#include <asm/mach-rdc321x/rdc321x_defs.h>
+
+#define RDC_WDT_MASK    0x80000000 /* Mask */
+#define RDC_WDT_EN      0x00800000 /* Enable bit */
+#define RDC_WDT_WTI     0x00200000 /* Generate CPU reset/NMI/WDT on timeout */
+#define RDC_WDT_RST     0x00100000 /* Reset bit */
+#define RDC_WDT_WIF     0x00040000 /* WDT IRQ Flag */
+#define RDC_WDT_IRT     0x00000100 /* IRQ Routing table */
+#define RDC_WDT_CNT     0x00000001 /* WDT count */
+
+#define RDC_CLS_TMR     0x80003844 /* Clear timer */
+
+#define RDC_WDT_INTERVAL        (HZ/10+1)
+
+static int ticks = 1000;
+
+/* some device data */
+
+static struct {
+        struct completion stop;
+        int running;
+        struct timer_list timer;
+        int queue;
+        int default_ticks;
+        unsigned long inuse;
+        spinlock_t lock;
+} rdc321x_wdt_device;
+
+/* generic helper functions */
+
+static void rdc321x_wdt_trigger(unsigned long unused)
+{
+        unsigned long flags;
+
+        if (rdc321x_wdt_device.running)
+                ticks--;
+
+        /* keep watchdog alive */
+        spin_lock_irqsave(&rdc321x_wdt_device.lock, flags);
+        outl(RDC_WDT_EN | inl(RDC3210_CFGREG_DATA),
+                RDC3210_CFGREG_DATA);
+        spin_unlock_irqrestore(&rdc321x_wdt_device.lock, flags);
+
+        /* requeue?? */
+        if (rdc321x_wdt_device.queue && ticks)
+                mod_timer(&rdc321x_wdt_device.timer,
+                                jiffies + RDC_WDT_INTERVAL);
+        else {
+                /* ticks doesn't matter anyway */
+                complete(&rdc321x_wdt_device.stop);
+        }
+
+}
+
+static void rdc321x_wdt_reset(void)
+{
+        ticks = rdc321x_wdt_device.default_ticks;
+}
+
+static void rdc321x_wdt_start(void)
+{
+        unsigned long flags;
+
+        if (!rdc321x_wdt_device.queue) {
+                rdc321x_wdt_device.queue = 1;
+
+                /* Clear the timer */
+                spin_lock_irqsave(&rdc321x_wdt_device.lock, flags);
+                outl(RDC_CLS_TMR, RDC3210_CFGREG_ADDR);
+
+                /* Enable watchdog and set the timeout to 81.92 us */
+                outl(RDC_WDT_EN | RDC_WDT_CNT, RDC3210_CFGREG_DATA);
+                spin_unlock_irqrestore(&rdc321x_wdt_device.lock, flags);
+
+                mod_timer(&rdc321x_wdt_device.timer,
+                                jiffies + RDC_WDT_INTERVAL);
+        }
+
+        /* if process dies, counter is not decremented */
+        rdc321x_wdt_device.running++;
+}
+
+static int rdc321x_wdt_stop(void)
+{
+        if (rdc321x_wdt_device.running)
+                rdc321x_wdt_device.running = 0;
+
+        ticks = rdc321x_wdt_device.default_ticks;
+
+        return -EIO;
+}
+
+/* filesystem operations */
+static int rdc321x_wdt_open(struct inode *inode, struct file *file)
+{
+        if (test_and_set_bit(0, &rdc321x_wdt_device.inuse))
+                return -EBUSY;
+
+        return nonseekable_open(inode, file);
+}
+
+static int rdc321x_wdt_release(struct inode *inode, struct file *file)
+{
+        clear_bit(0, &rdc321x_wdt_device.inuse);
+        return 0;
+}
+
+static int rdc321x_wdt_ioctl(struct inode *inode, struct file *file,
+                                unsigned int cmd, unsigned long arg)
+{
+        void __user *argp = (void __user *)arg;
+        unsigned int value;
+        static struct watchdog_info ident = {
+                .options = WDIOF_CARDRESET,
+                .identity = "RDC321x WDT",
+        };
+        unsigned long flags;
+
+        switch (cmd) {
+        case WDIOC_KEEPALIVE:
+                rdc321x_wdt_reset();
+                break;
+        case WDIOC_GETSTATUS:
+                /* Read the value from the DATA register */
+                spin_lock_irqsave(&rdc321x_wdt_device.lock, flags);
+                value = inl(RDC3210_CFGREG_DATA);
+                spin_unlock_irqrestore(&rdc321x_wdt_device.lock, flags);
+                if (copy_to_user(argp, &value, sizeof(int)))
+                        return -EFAULT;
+                break;
+        case WDIOC_GETSUPPORT:
+                if (copy_to_user(argp, &ident, sizeof(ident)))
+                        return -EFAULT;
+                break;
+        case WDIOC_SETOPTIONS:
+                if (copy_from_user(&value, argp, sizeof(int)))
+                        return -EFAULT;
+                switch (value) {
+                case WDIOS_ENABLECARD:
+                        rdc321x_wdt_start();
+                        break;
+                case WDIOS_DISABLECARD:
+                        return rdc321x_wdt_stop();
+                default:
+                        return -EINVAL;
+                }
+                break;
+        default:
+                return -ENOTTY;
+        }
+        return 0;
+}
+
+static ssize_t rdc321x_wdt_write(struct file *file, const char __user *buf,
+                                size_t count, loff_t *ppos)
+{
+        if (!count)
+                return -EIO;
+
+        rdc321x_wdt_reset();
+
+        return count;
+}
+
+static const struct file_operations rdc321x_wdt_fops = {
+        .owner          = THIS_MODULE,
+        .llseek         = no_llseek,
+        .ioctl          = rdc321x_wdt_ioctl,
+        .open           = rdc321x_wdt_open,
+        .write          = rdc321x_wdt_write,
+        .release        = rdc321x_wdt_release,
+};
+
+static struct miscdevice rdc321x_wdt_misc = {
+        .minor  = WATCHDOG_MINOR,
+        .name   = "watchdog",
+        .fops   = &rdc321x_wdt_fops,
+};
+
+static int __devinit rdc321x_wdt_probe(struct platform_device *pdev)
+{
+        int err;
+
+        err = misc_register(&rdc321x_wdt_misc);
+        if (err < 0) {
+                printk(KERN_ERR PFX "watchdog misc_register failed\n");
+                return err;
+        }
+
+        spin_lock_init(&rdc321x_wdt_device.lock);
+
+        /* Reset the watchdog */
+        outl(RDC_WDT_RST, RDC3210_CFGREG_DATA);
+
+        init_completion(&rdc321x_wdt_device.stop);
+        rdc321x_wdt_device.queue = 0;
+
+        clear_bit(0, &rdc321x_wdt_device.inuse);
+
+        setup_timer(&rdc321x_wdt_device.timer, rdc321x_wdt_trigger, 0);
+
+        rdc321x_wdt_device.default_ticks = ticks;
+
+        printk(KERN_INFO PFX "watchdog init success\n");
+
+        return 0;
+}
+
+static int rdc321x_wdt_remove(struct platform_device *pdev)
+{
+        if (rdc321x_wdt_device.queue) {
+                rdc321x_wdt_device.queue = 0;
+                wait_for_completion(&rdc321x_wdt_device.stop);
+        }
+
+        misc_deregister(&rdc321x_wdt_misc);
+
+        return 0;
+}
+
+static struct platform_driver rdc321x_wdt_driver = {
+        .probe = rdc321x_wdt_probe,
+        .remove = rdc321x_wdt_remove,
+        .driver = {
+                .owner = THIS_MODULE,
+                .name = "rdc321x-wdt",
+        },
+};
+
+static int __init rdc321x_wdt_init(void)
+{
+        return platform_driver_register(&rdc321x_wdt_driver);
+}
+
+static void __exit rdc321x_wdt_exit(void)
+{
+        platform_driver_unregister(&rdc321x_wdt_driver);
+}
+
+module_init(rdc321x_wdt_init);
+module_exit(rdc321x_wdt_exit);
+
+MODULE_AUTHOR("Florian Fainelli <florian@openwrt.org>");
+MODULE_DESCRIPTION("RDC321x watchdog driver");
+MODULE_LICENSE("GPL");
+MODULE_ALIAS_MISCDEV(WATCHDOG_MINOR);
diff --git a/drivers/watchdog/s3c2410_wdt.c b/drivers/watchdog/s3c2410_wdt.c
index 22715e3be5e7..86d42801de45 100644
--- a/drivers/watchdog/s3c2410_wdt.c
+++ b/drivers/watchdog/s3c2410_wdt.c
@@ -21,18 +21,6 @@
  * You should have received a copy of the GNU General Public License
  * along with this program; if not, write to the Free Software
  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
- *
- * Changelog:
- *      05-Oct-2004     BJD     Added semaphore init to stop crashes on open
- *                              Fixed tmr_count / wdt_count confusion
- *                              Added configurable debug
- *
- *      11-Jan-2005     BJD     Fixed divide-by-2 in timeout code
- *
- *      25-Jan-2005     DA      Added suspend/resume support
- *                              Replaced reboot notifier with .shutdown method
- *
- *      10-Mar-2005     LCVR    Changed S3C2410_VA to S3C24XX_VA
 */
 
 #include <linux/module.h>
@@ -365,7 +353,7 @@ static int s3c2410wdt_probe(struct platform_device *pdev)
                 return -ENOENT;
         }
 
-        size = (res->end-res->start)+1;
+        size = (res->end - res->start) + 1;
         wdt_mem = request_mem_region(res->start, size, pdev->name);
         if (wdt_mem == NULL) {
                 dev_err(dev, "failed to get memory region\n");
@@ -374,7 +362,7 @@ static int s3c2410wdt_probe(struct platform_device *pdev)
         }
 
         wdt_base = ioremap(res->start, size);
-        if (wdt_base == 0) {
+        if (wdt_base == NULL) {
                 dev_err(dev, "failed to ioremap() region\n");
                 ret = -EINVAL;
                 goto err_req;
diff --git a/drivers/xen/manage.c b/drivers/xen/manage.c
index a5bc91ae6ff6..d0e87cbe157c 100644
--- a/drivers/xen/manage.c
+++ b/drivers/xen/manage.c
@@ -102,7 +102,7 @@ static void do_suspend(void)
         /* XXX use normal device tree? */
         xenbus_suspend();
 
-        err = stop_machine_run(xen_suspend, &cancelled, 0);
+        err = stop_machine(xen_suspend, &cancelled, &cpumask_of_cpu(0));
         if (err) {
                 printk(KERN_ERR "failed to start xen_suspend: %d\n", err);
                 goto out;