120 files changed, 1364 insertions, 869 deletions

diff --git a/drivers/ata/ahci.c b/drivers/ata/ahci.c
index 328826381a2d..b8d96ce37fc9 100644
--- a/drivers/ata/ahci.c
+++ b/drivers/ata/ahci.c
@@ -260,6 +260,7 @@ static const struct pci_device_id ahci_pci_tbl[] = {
         { PCI_VDEVICE(INTEL, 0x1d02), board_ahci }, /* PBG AHCI */
         { PCI_VDEVICE(INTEL, 0x1d04), board_ahci }, /* PBG RAID */
         { PCI_VDEVICE(INTEL, 0x1d06), board_ahci }, /* PBG RAID */
+        { PCI_VDEVICE(INTEL, 0x2323), board_ahci }, /* DH89xxCC AHCI */
 
         /* 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,
@@ -379,6 +380,8 @@ static const struct pci_device_id ahci_pci_tbl[] = {
         { PCI_VDEVICE(MARVELL, 0x6145), board_ahci_mv },        /* 6145 */
         { PCI_VDEVICE(MARVELL, 0x6121), board_ahci_mv },        /* 6121 */
         { PCI_DEVICE(0x1b4b, 0x9123),
+          .class = PCI_CLASS_STORAGE_SATA_AHCI,
+          .class_mask = 0xffffff,
           .driver_data = board_ahci_yes_fbs },                  /* 88se9128 */
 
         /* Promise */
diff --git a/drivers/ata/libata-core.c b/drivers/ata/libata-core.c
index a31fe96f7de6..d4e52e214859 100644
--- a/drivers/ata/libata-core.c
+++ b/drivers/ata/libata-core.c
@@ -4138,6 +4138,7 @@ static const struct ata_blacklist_entry ata_device_blacklist [] = {
          * device and controller are SATA.
          */
         { "PIONEER DVD-RW  DVRTD08",    "1.00", ATA_HORKAGE_NOSETXFER },
+        { "PIONEER DVD-RW  DVR-212D",   "1.28", ATA_HORKAGE_NOSETXFER },
 
         /* End Marker */
         { }
diff --git a/drivers/ata/libata-scsi.c b/drivers/ata/libata-scsi.c
index 5defc74973d7..600f6353ecf8 100644
--- a/drivers/ata/libata-scsi.c
+++ b/drivers/ata/libata-scsi.c
@@ -1099,9 +1099,9 @@ static int ata_scsi_dev_config(struct scsi_device *sdev,
                 struct request_queue *q = sdev->request_queue;
                 void *buf;
 
-                /* set the min alignment and padding */
-                blk_queue_update_dma_alignment(sdev->request_queue,
-                                               ATA_DMA_PAD_SZ - 1);
+                sdev->sector_size = ATA_SECT_SIZE;
+
+                /* set DMA padding */
                 blk_queue_update_dma_pad(sdev->request_queue,
                                          ATA_DMA_PAD_SZ - 1);
 
@@ -1115,13 +1115,25 @@ static int ata_scsi_dev_config(struct scsi_device *sdev,
 
                 blk_queue_dma_drain(q, atapi_drain_needed, buf, ATAPI_MAX_DRAIN);
         } else {
-                /* ATA devices must be sector aligned */
                 sdev->sector_size = ata_id_logical_sector_size(dev->id);
-                blk_queue_update_dma_alignment(sdev->request_queue,
-                                               sdev->sector_size - 1);
                 sdev->manage_start_stop = 1;
         }
 
+        /*
+         * ata_pio_sectors() expects buffer for each sector to not cross
+         * page boundary.  Enforce it by requiring buffers to be sector
+         * aligned, which works iff sector_size is not larger than
+         * PAGE_SIZE.  ATAPI devices also need the alignment as
+         * IDENTIFY_PACKET is executed as ATA_PROT_PIO.
+         */
+        if (sdev->sector_size > PAGE_SIZE)
+                ata_dev_printk(dev, KERN_WARNING,
+                        "sector_size=%u > PAGE_SIZE, PIO may malfunction\n",
+                        sdev->sector_size);
+
+        blk_queue_update_dma_alignment(sdev->request_queue,
+                                       sdev->sector_size - 1);
+
         if (dev->flags & ATA_DFLAG_AN)
                 set_bit(SDEV_EVT_MEDIA_CHANGE, sdev->supported_events);
 
diff --git a/drivers/ata/pata_hpt366.c b/drivers/ata/pata_hpt366.c
index d7e57db36bc8..538ec38ba995 100644
--- a/drivers/ata/pata_hpt366.c
+++ b/drivers/ata/pata_hpt366.c
@@ -25,7 +25,7 @@
 #include <linux/libata.h>
 
 #define DRV_NAME        "pata_hpt366"
-#define DRV_VERSION     "0.6.9"
+#define DRV_VERSION     "0.6.10"
 
 struct hpt_clock {
         u8      xfer_mode;
@@ -160,8 +160,8 @@ static int hpt_dma_blacklisted(const struct ata_device *dev, char *modestr,
 
         while (list[i] != NULL) {
                 if (!strcmp(list[i], model_num)) {
-                        printk(KERN_WARNING DRV_NAME ": %s is not supported for %s.\n",
-                                modestr, list[i]);
+                        pr_warning(DRV_NAME ": %s is not supported for %s.\n",
+                                   modestr, list[i]);
                         return 1;
                 }
                 i++;
diff --git a/drivers/ata/pata_hpt37x.c b/drivers/ata/pata_hpt37x.c
index efdd18bc8663..4c5b5183225e 100644
--- a/drivers/ata/pata_hpt37x.c
+++ b/drivers/ata/pata_hpt37x.c
@@ -24,7 +24,7 @@
 #include <linux/libata.h>
 
 #define DRV_NAME        "pata_hpt37x"
-#define DRV_VERSION     "0.6.18"
+#define DRV_VERSION     "0.6.22"
 
 struct hpt_clock {
         u8      xfer_speed;
@@ -229,8 +229,8 @@ static int hpt_dma_blacklisted(const struct ata_device *dev, char *modestr,
 
         while (list[i] != NULL) {
                 if (!strcmp(list[i], model_num)) {
-                        printk(KERN_WARNING DRV_NAME ": %s is not supported for %s.\n",
-                                modestr, list[i]);
+                        pr_warning(DRV_NAME ": %s is not supported for %s.\n",
+                                   modestr, list[i]);
                         return 1;
                 }
                 i++;
@@ -642,7 +642,6 @@ static struct ata_port_operations hpt372_port_ops = {
 static struct ata_port_operations hpt374_fn1_port_ops = {
         .inherits       = &hpt372_port_ops,
         .cable_detect   = hpt374_fn1_cable_detect,
-        .prereset       = hpt37x_pre_reset,
 };
 
 /**
@@ -803,7 +802,7 @@ static int hpt37x_init_one(struct pci_dev *dev, const struct pci_device_id *id)
                 .udma_mask = ATA_UDMA6,
                 .port_ops = &hpt302_port_ops
         };
-        /* HPT374 - UDMA100, function 1 uses different prereset method */
+        /* HPT374 - UDMA100, function 1 uses different cable_detect method */
         static const struct ata_port_info info_hpt374_fn0 = {
                 .flags = ATA_FLAG_SLAVE_POSS,
                 .pio_mask = ATA_PIO4,
@@ -838,7 +837,8 @@ static int hpt37x_init_one(struct pci_dev *dev, const struct pci_device_id *id)
         if (rc)
                 return rc;
 
-        if (dev->device == PCI_DEVICE_ID_TTI_HPT366) {
+        switch (dev->device) {
+        case PCI_DEVICE_ID_TTI_HPT366:
                 /* May be a later chip in disguise. Check */
                 /* Older chips are in the HPT366 driver. Ignore them */
                 if (rev < 3)
@@ -863,54 +863,50 @@ static int hpt37x_init_one(struct pci_dev *dev, const struct pci_device_id *id)
                         chip_table = &hpt372;
                         break;
                 default:
-                        printk(KERN_ERR "pata_hpt37x: Unknown HPT366 subtype, "
+                        pr_err(DRV_NAME ": Unknown HPT366 subtype, "
                                "please report (%d).\n", rev);
                         return -ENODEV;
                 }
-        } else {
-                switch (dev->device) {
-                case PCI_DEVICE_ID_TTI_HPT372:
-                        /* 372N if rev >= 2 */
-                        if (rev >= 2)
-                                return -ENODEV;
-                        ppi[0] = &info_hpt372;
-                        chip_table = &hpt372a;
-                        break;
-                case PCI_DEVICE_ID_TTI_HPT302:
-                        /* 302N if rev > 1 */
-                        if (rev > 1)
-                                return -ENODEV;
-                        ppi[0] = &info_hpt302;
-                        /* Check this */
-                        chip_table = &hpt302;
-                        break;
-                case PCI_DEVICE_ID_TTI_HPT371:
-                        if (rev > 1)
-                                return -ENODEV;
-                        ppi[0] = &info_hpt302;
-                        chip_table = &hpt371;
-                        /*
-                         * Single channel device, master is not present
-                         * but the BIOS (or us for non x86) must mark it
-                         * absent
-                         */
-                        pci_read_config_byte(dev, 0x50, &mcr1);
-                        mcr1 &= ~0x04;
-                        pci_write_config_byte(dev, 0x50, mcr1);
-                        break;
-                case PCI_DEVICE_ID_TTI_HPT374:
-                        chip_table = &hpt374;
-                        if (!(PCI_FUNC(dev->devfn) & 1))
-                                *ppi = &info_hpt374_fn0;
-                        else
-                                *ppi = &info_hpt374_fn1;
-                        break;
-                default:
-                        printk(KERN_ERR
-                               "pata_hpt37x: PCI table is bogus, please report (%d).\n",
-                               dev->device);
-                                return -ENODEV;
-                }
+                break;
+        case PCI_DEVICE_ID_TTI_HPT372:
+                /* 372N if rev >= 2 */
+                if (rev >= 2)
+                        return -ENODEV;
+                ppi[0] = &info_hpt372;
+                chip_table = &hpt372a;
+                break;
+        case PCI_DEVICE_ID_TTI_HPT302:
+                /* 302N if rev > 1 */
+                if (rev > 1)
+                        return -ENODEV;
+                ppi[0] = &info_hpt302;
+                /* Check this */
+                chip_table = &hpt302;
+                break;
+        case PCI_DEVICE_ID_TTI_HPT371:
+                if (rev > 1)
+                        return -ENODEV;
+                ppi[0] = &info_hpt302;
+                chip_table = &hpt371;
+                /*
+                 * Single channel device, master is not present but the BIOS
+                 * (or us for non x86) must mark it absent
+                 */
+                pci_read_config_byte(dev, 0x50, &mcr1);
+                mcr1 &= ~0x04;
+                pci_write_config_byte(dev, 0x50, mcr1);
+                break;
+        case PCI_DEVICE_ID_TTI_HPT374:
+                chip_table = &hpt374;
+                if (!(PCI_FUNC(dev->devfn) & 1))
+                        *ppi = &info_hpt374_fn0;
+                else
+                        *ppi = &info_hpt374_fn1;
+                break;
+        default:
+                pr_err(DRV_NAME ": PCI table is bogus, please report (%d).\n",
+                       dev->device);
+                return -ENODEV;
         }
         /* Ok so this is a chip we support */
 
@@ -957,8 +953,7 @@ static int hpt37x_init_one(struct pci_dev *dev, const struct pci_device_id *id)
                 u8 sr;
                 u32 total = 0;
 
-                printk(KERN_WARNING
-                       "pata_hpt37x: BIOS has not set timing clocks.\n");
+                pr_warning(DRV_NAME ": BIOS has not set timing clocks.\n");
 
                 /* This is the process the HPT371 BIOS is reported to use */
                 for (i = 0; i < 128; i++) {
@@ -1014,7 +1009,7 @@ static int hpt37x_init_one(struct pci_dev *dev, const struct pci_device_id *id)
                                                (f_high << 16) | f_low | 0x100);
                 }
                 if (adjust == 8) {
-                        printk(KERN_ERR "pata_hpt37x: DPLL did not stabilize!\n");
+                        pr_err(DRV_NAME ": DPLL did not stabilize!\n");
                         return -ENODEV;
                 }
                 if (dpll == 3)
@@ -1022,8 +1017,8 @@ static int hpt37x_init_one(struct pci_dev *dev, const struct pci_device_id *id)
                 else
                         private_data = (void *)hpt37x_timings_50;
 
-                printk(KERN_INFO "pata_hpt37x: bus clock %dMHz, using %dMHz DPLL.\n",
-                       MHz[clock_slot], MHz[dpll]);
+                pr_info(DRV_NAME ": bus clock %dMHz, using %dMHz DPLL.\n",
+                        MHz[clock_slot], MHz[dpll]);
         } else {
                 private_data = (void *)chip_table->clocks[clock_slot];
                 /*
@@ -1036,8 +1031,9 @@ static int hpt37x_init_one(struct pci_dev *dev, const struct pci_device_id *id)
                         ppi[0] = &info_hpt370_33;
                 if (clock_slot < 2 && ppi[0] == &info_hpt370a)
                         ppi[0] = &info_hpt370a_33;
-                printk(KERN_INFO "pata_hpt37x: %s using %dMHz bus clock.\n",
-                       chip_table->name, MHz[clock_slot]);
+
+                pr_info(DRV_NAME ": %s using %dMHz bus clock.\n",
+                        chip_table->name, MHz[clock_slot]);
         }
 
         /* Now kick off ATA set up */
diff --git a/drivers/ata/pata_hpt3x2n.c b/drivers/ata/pata_hpt3x2n.c
index d2239bbdb798..eca68caf5f46 100644
--- a/drivers/ata/pata_hpt3x2n.c
+++ b/drivers/ata/pata_hpt3x2n.c
@@ -25,7 +25,7 @@
 #include <linux/libata.h>
 
 #define DRV_NAME        "pata_hpt3x2n"
-#define DRV_VERSION     "0.3.13"
+#define DRV_VERSION     "0.3.14"
 
 enum {
         HPT_PCI_FAST    =       (1 << 31),
@@ -418,7 +418,7 @@ static int hpt3x2n_pci_clock(struct pci_dev *pdev)
                 u16 sr;
                 u32 total = 0;
 
-                printk(KERN_WARNING "pata_hpt3x2n: BIOS clock data not set.\n");
+                pr_warning(DRV_NAME ": BIOS clock data not set.\n");
 
                 /* This is the process the HPT371 BIOS is reported to use */
                 for (i = 0; i < 128; i++) {
@@ -528,8 +528,7 @@ hpt372n:
                 ppi[0] = &info_hpt372n;
                 break;
         default:
-                printk(KERN_ERR
-                       "pata_hpt3x2n: PCI table is bogus please report (%d).\n",
+                pr_err(DRV_NAME ": PCI table is bogus, please report (%d).\n",
                        dev->device);
                 return -ENODEV;
         }
@@ -579,12 +578,11 @@ hpt372n:
                 pci_write_config_dword(dev, 0x5C, (f_high << 16) | f_low);
         }
         if (adjust == 8) {
-                printk(KERN_ERR "pata_hpt3x2n: DPLL did not stabilize!\n");
+                pr_err(DRV_NAME ": DPLL did not stabilize!\n");
                 return -ENODEV;
         }
 
-        printk(KERN_INFO "pata_hpt37x: bus clock %dMHz, using 66MHz DPLL.\n",
-               pci_mhz);
+        pr_info(DRV_NAME ": bus clock %dMHz, using 66MHz DPLL.\n", pci_mhz);
 
         /*
          * Set our private data up. We only need a few flags
diff --git a/drivers/ata/pata_mpc52xx.c b/drivers/ata/pata_mpc52xx.c
index 8cc536e49a0a..d7d8026cde99 100644
--- a/drivers/ata/pata_mpc52xx.c
+++ b/drivers/ata/pata_mpc52xx.c
@@ -610,7 +610,7 @@ static struct scsi_host_template mpc52xx_ata_sht = {
 };
 
 static struct ata_port_operations mpc52xx_ata_port_ops = {
-        .inherits               = &ata_sff_port_ops,
+        .inherits               = &ata_bmdma_port_ops,
         .sff_dev_select         = mpc52xx_ata_dev_select,
         .set_piomode            = mpc52xx_ata_set_piomode,
         .set_dmamode            = mpc52xx_ata_set_dmamode,
diff --git a/drivers/gpu/drm/drm_crtc_helper.c b/drivers/gpu/drm/drm_crtc_helper.c
index b34cc7372b52..92369655dca3 100644
--- a/drivers/gpu/drm/drm_crtc_helper.c
+++ b/drivers/gpu/drm/drm_crtc_helper.c
@@ -666,6 +666,12 @@ int drm_crtc_helper_set_config(struct drm_mode_set *set)
                                 ret = -EINVAL;
                                 goto fail;
                         }
+                        DRM_DEBUG_KMS("Setting connector DPMS state to on\n");
+                        for (i = 0; i < set->num_connectors; i++) {
+                                DRM_DEBUG_KMS("\t[CONNECTOR:%d:%s] set DPMS on\n", set->connectors[i]->base.id,
+                                              drm_get_connector_name(set->connectors[i]));
+                                set->connectors[i]->dpms = DRM_MODE_DPMS_ON;
+                        }
                 }
                 drm_helper_disable_unused_functions(dev);
         } else if (fb_changed) {
@@ -682,12 +688,6 @@ int drm_crtc_helper_set_config(struct drm_mode_set *set)
                         goto fail;
                 }
         }
-        DRM_DEBUG_KMS("Setting connector DPMS state to on\n");
-        for (i = 0; i < set->num_connectors; i++) {
-                DRM_DEBUG_KMS("\t[CONNECTOR:%d:%s] set DPMS on\n", set->connectors[i]->base.id,
-                              drm_get_connector_name(set->connectors[i]));
-                set->connectors[i]->dpms = DRM_MODE_DPMS_ON;
-        }
 
         kfree(save_connectors);
         kfree(save_encoders);
diff --git a/drivers/infiniband/core/sa_query.c b/drivers/infiniband/core/sa_query.c
index e38be1bcc01c..fbbfa24cf572 100644
--- a/drivers/infiniband/core/sa_query.c
+++ b/drivers/infiniband/core/sa_query.c
@@ -1079,7 +1079,7 @@ static void ib_sa_remove_one(struct ib_device *device)
 
         ib_unregister_event_handler(&sa_dev->event_handler);
 
-        flush_scheduled_work();
+        flush_workqueue(ib_wq);
 
         for (i = 0; i <= sa_dev->end_port - sa_dev->start_port; ++i) {
                 if (rdma_port_get_link_layer(device, i + 1) == IB_LINK_LAYER_INFINIBAND) {
diff --git a/drivers/infiniband/core/ucma.c b/drivers/infiniband/core/ucma.c
index ca12acf38379..ec1e9da1488b 100644
--- a/drivers/infiniband/core/ucma.c
+++ b/drivers/infiniband/core/ucma.c
@@ -636,6 +636,16 @@ static void ucma_copy_iboe_route(struct rdma_ucm_query_route_resp *resp,
         }
 }
 
+static void ucma_copy_iw_route(struct rdma_ucm_query_route_resp *resp,
+                               struct rdma_route *route)
+{
+        struct rdma_dev_addr *dev_addr;
+
+        dev_addr = &route->addr.dev_addr;
+        rdma_addr_get_dgid(dev_addr, (union ib_gid *) &resp->ib_route[0].dgid);
+        rdma_addr_get_sgid(dev_addr, (union ib_gid *) &resp->ib_route[0].sgid);
+}
+
 static ssize_t ucma_query_route(struct ucma_file *file,
                                 const char __user *inbuf,
                                 int in_len, int out_len)
@@ -670,8 +680,10 @@ static ssize_t ucma_query_route(struct ucma_file *file,
 
         resp.node_guid = (__force __u64) ctx->cm_id->device->node_guid;
         resp.port_num = ctx->cm_id->port_num;
-        if (rdma_node_get_transport(ctx->cm_id->device->node_type) == RDMA_TRANSPORT_IB) {
-                switch (rdma_port_get_link_layer(ctx->cm_id->device, ctx->cm_id->port_num)) {
+        switch (rdma_node_get_transport(ctx->cm_id->device->node_type)) {
+        case RDMA_TRANSPORT_IB:
+                switch (rdma_port_get_link_layer(ctx->cm_id->device,
+                        ctx->cm_id->port_num)) {
                 case IB_LINK_LAYER_INFINIBAND:
                         ucma_copy_ib_route(&resp, &ctx->cm_id->route);
                         break;
@@ -681,6 +693,12 @@ static ssize_t ucma_query_route(struct ucma_file *file,
                 default:
                         break;
                 }
+                break;
+        case RDMA_TRANSPORT_IWARP:
+                ucma_copy_iw_route(&resp, &ctx->cm_id->route);
+                break;
+        default:
+                break;
         }
 
 out:
diff --git a/drivers/infiniband/hw/amso1100/c2_vq.c b/drivers/infiniband/hw/amso1100/c2_vq.c
index 9ce7819b7b2e..2ec716fb2edb 100644
--- a/drivers/infiniband/hw/amso1100/c2_vq.c
+++ b/drivers/infiniband/hw/amso1100/c2_vq.c
@@ -107,7 +107,7 @@ struct c2_vq_req *vq_req_alloc(struct c2_dev *c2dev)
         r = kmalloc(sizeof(struct c2_vq_req), GFP_KERNEL);
         if (r) {
                 init_waitqueue_head(&r->wait_object);
-                r->reply_msg = (u64) NULL;
+                r->reply_msg = 0;
                 r->event = 0;
                 r->cm_id = NULL;
                 r->qp = NULL;
@@ -123,7 +123,7 @@ struct c2_vq_req *vq_req_alloc(struct c2_dev *c2dev)
  */
 void vq_req_free(struct c2_dev *c2dev, struct c2_vq_req *r)
 {
-        r->reply_msg = (u64) NULL;
+        r->reply_msg = 0;
         if (atomic_dec_and_test(&r->refcnt)) {
                 kfree(r);
         }
@@ -151,7 +151,7 @@ void vq_req_get(struct c2_dev *c2dev, struct c2_vq_req *r)
 void vq_req_put(struct c2_dev *c2dev, struct c2_vq_req *r)
 {
         if (atomic_dec_and_test(&r->refcnt)) {
-                if (r->reply_msg != (u64) NULL)
+                if (r->reply_msg != 0)
                         vq_repbuf_free(c2dev,
                                        (void *) (unsigned long) r->reply_msg);
                 kfree(r);
diff --git a/drivers/infiniband/hw/cxgb4/cm.c b/drivers/infiniband/hw/cxgb4/cm.c
index 0dc62b1438be..8b00e6c46f01 100644
--- a/drivers/infiniband/hw/cxgb4/cm.c
+++ b/drivers/infiniband/hw/cxgb4/cm.c
@@ -380,7 +380,7 @@ static void send_flowc(struct c4iw_ep *ep, struct sk_buff *skb)
                                           16)) | FW_WR_FLOWID(ep->hwtid));
 
         flowc->mnemval[0].mnemonic = FW_FLOWC_MNEM_PFNVFN;
-        flowc->mnemval[0].val = cpu_to_be32(0);
+        flowc->mnemval[0].val = cpu_to_be32(PCI_FUNC(ep->com.dev->rdev.lldi.pdev->devfn) << 8);
         flowc->mnemval[1].mnemonic = FW_FLOWC_MNEM_CH;
         flowc->mnemval[1].val = cpu_to_be32(ep->tx_chan);
         flowc->mnemval[2].mnemonic = FW_FLOWC_MNEM_PORT;
diff --git a/drivers/infiniband/hw/cxgb4/qp.c b/drivers/infiniband/hw/cxgb4/qp.c
index 20800900ef3f..4f0be25cab1a 100644
--- a/drivers/infiniband/hw/cxgb4/qp.c
+++ b/drivers/infiniband/hw/cxgb4/qp.c
@@ -220,7 +220,7 @@ static int create_qp(struct c4iw_rdev *rdev, struct t4_wq *wq,
                 V_FW_RI_RES_WR_DCAEN(0) |
                 V_FW_RI_RES_WR_DCACPU(0) |
                 V_FW_RI_RES_WR_FBMIN(2) |
-                V_FW_RI_RES_WR_FBMAX(3) |
+                V_FW_RI_RES_WR_FBMAX(2) |
                 V_FW_RI_RES_WR_CIDXFTHRESHO(0) |
                 V_FW_RI_RES_WR_CIDXFTHRESH(0) |
                 V_FW_RI_RES_WR_EQSIZE(eqsize));
@@ -243,7 +243,7 @@ static int create_qp(struct c4iw_rdev *rdev, struct t4_wq *wq,
                 V_FW_RI_RES_WR_DCAEN(0) |
                 V_FW_RI_RES_WR_DCACPU(0) |
                 V_FW_RI_RES_WR_FBMIN(2) |
-                V_FW_RI_RES_WR_FBMAX(3) |
+                V_FW_RI_RES_WR_FBMAX(2) |
                 V_FW_RI_RES_WR_CIDXFTHRESHO(0) |
                 V_FW_RI_RES_WR_CIDXFTHRESH(0) |
                 V_FW_RI_RES_WR_EQSIZE(eqsize));
diff --git a/drivers/infiniband/hw/qib/qib_iba7322.c b/drivers/infiniband/hw/qib/qib_iba7322.c
index 50cceb3ab885..b01809a82cb0 100644
--- a/drivers/infiniband/hw/qib/qib_iba7322.c
+++ b/drivers/infiniband/hw/qib/qib_iba7322.c
@@ -623,7 +623,6 @@ struct qib_chippport_specific {
         u8 ibmalfusesnap;
         struct qib_qsfp_data qsfp_data;
         char epmsgbuf[192]; /* for port error interrupt msg buffer */
-        u8 bounced;
 };
 
 static struct {
@@ -1881,23 +1880,7 @@ static noinline void handle_7322_p_errors(struct qib_pportdata *ppd)
                     IB_PHYSPORTSTATE_DISABLED)
                         qib_set_ib_7322_lstate(ppd, 0,
                                QLOGIC_IB_IBCC_LINKINITCMD_DISABLE);
-                else {
-                        u32 lstate;
-                        /*
-                         * We need the current logical link state before
-                         * lflags are set in handle_e_ibstatuschanged.
-                         */
-                        lstate = qib_7322_iblink_state(ibcs);
-
-                        if (IS_QMH(dd) && !ppd->cpspec->bounced &&
-                            ltstate == IB_PHYSPORTSTATE_LINKUP &&
-                            (lstate >= IB_PORT_INIT &&
-                                lstate <= IB_PORT_ACTIVE)) {
-                                ppd->cpspec->bounced = 1;
-                                qib_7322_set_ib_cfg(ppd, QIB_IB_CFG_LSTATE,
-                                        IB_LINKCMD_DOWN | IB_LINKINITCMD_POLL);
-                        }
-
+                else
                         /*
                          * Since going into a recovery state causes the link
                          * state to go down and since recovery is transitory,
@@ -1911,7 +1894,6 @@ static noinline void handle_7322_p_errors(struct qib_pportdata *ppd)
                             ltstate != IB_PHYSPORTSTATE_RECOVERY_WAITRMT &&
                             ltstate != IB_PHYSPORTSTATE_RECOVERY_IDLE)
                                 qib_handle_e_ibstatuschanged(ppd, ibcs);
-                }
         }
         if (*msg && iserr)
                 qib_dev_porterr(dd, ppd->port, "%s error\n", msg);
@@ -2381,6 +2363,11 @@ static int qib_7322_bringup_serdes(struct qib_pportdata *ppd)
         qib_write_kreg_port(ppd, krp_rcvctrl, ppd->p_rcvctrl);
         spin_unlock_irqrestore(&dd->cspec->rcvmod_lock, flags);
 
+        /* Hold the link state machine for mezz boards */
+        if (IS_QMH(dd) || IS_QME(dd))
+                qib_set_ib_7322_lstate(ppd, 0,
+                                       QLOGIC_IB_IBCC_LINKINITCMD_DISABLE);
+
         /* Also enable IBSTATUSCHG interrupt.  */
         val = qib_read_kreg_port(ppd, krp_errmask);
         qib_write_kreg_port(ppd, krp_errmask,
@@ -5702,6 +5689,11 @@ static void set_no_qsfp_atten(struct qib_devdata *dd, int change)
                                 ppd->cpspec->h1_val = h1;
                         /* now change the IBC and serdes, overriding generic */
                         init_txdds_table(ppd, 1);
+                        /* Re-enable the physical state machine on mezz boards
+                         * now that the correct settings have been set. */
+                        if (IS_QMH(dd) || IS_QME(dd))
+                                qib_set_ib_7322_lstate(ppd, 0,
+                                            QLOGIC_IB_IBCC_LINKINITCMD_SLEEP);
                         any++;
                 }
                 if (*nxt == '\n')
diff --git a/drivers/input/keyboard/tegra-kbc.c b/drivers/input/keyboard/tegra-kbc.c
index 939476659ad6..ac471b77c18e 100644
--- a/drivers/input/keyboard/tegra-kbc.c
+++ b/drivers/input/keyboard/tegra-kbc.c
@@ -86,7 +86,7 @@ static const u32 tegra_kbc_default_keymap[] = {
         KEY(0, 5, KEY_Z),
         KEY(0, 7, KEY_FN),
 
-        KEY(1, 7, KEY_MENU),
+        KEY(1, 7, KEY_LEFTMETA),
 
         KEY(2, 6, KEY_RIGHTALT),
         KEY(2, 7, KEY_LEFTALT),
@@ -355,8 +355,8 @@ static void tegra_kbc_config_pins(struct tegra_kbc *kbc)
         for (i = 0; i < KBC_MAX_GPIO; i++) {
                 u32 r_shft = 5 * (i % 6);
                 u32 c_shft = 4 * (i % 8);
-                u32 r_mask = 0x1f << r_shift;
-                u32 c_mask = 0x0f << c_shift;
+                u32 r_mask = 0x1f << r_shft;
+                u32 c_mask = 0x0f << c_shft;
                 u32 r_offs = (i / 6) * 4 + KBC_ROW_CFG0_0;
                 u32 c_offs = (i / 8) * 4 + KBC_COL_CFG0_0;
                 u32 row_cfg = readl(kbc->mmio + r_offs);
diff --git a/drivers/input/mouse/synaptics.c b/drivers/input/mouse/synaptics.c
index da392c22fc6c..aa186cf6c514 100644
--- a/drivers/input/mouse/synaptics.c
+++ b/drivers/input/mouse/synaptics.c
@@ -755,23 +755,26 @@ static int synaptics_reconnect(struct psmouse *psmouse)
 {
         struct synaptics_data *priv = psmouse->private;
         struct synaptics_data old_priv = *priv;
+        int retry = 0;
+        int error;
 
-        psmouse_reset(psmouse);
+        do {
+                psmouse_reset(psmouse);
+                error = synaptics_detect(psmouse, 0);
+        } while (error && ++retry < 3);
 
-        if (synaptics_detect(psmouse, 0))
+        if (error)
                 return -1;
 
+        if (retry > 1)
+                printk(KERN_DEBUG "Synaptics reconnected after %d tries\n",
+                        retry);
+
         if (synaptics_query_hardware(psmouse)) {
                 printk(KERN_ERR "Unable to query Synaptics hardware.\n");
                 return -1;
         }
 
-        if (old_priv.identity != priv->identity ||
-            old_priv.model_id != priv->model_id ||
-            old_priv.capabilities != priv->capabilities ||
-            old_priv.ext_cap != priv->ext_cap)
-                return -1;
-
         if (synaptics_set_absolute_mode(psmouse)) {
                 printk(KERN_ERR "Unable to initialize Synaptics hardware.\n");
                 return -1;
@@ -782,6 +785,19 @@ static int synaptics_reconnect(struct psmouse *psmouse)
                 return -1;
         }
 
+        if (old_priv.identity != priv->identity ||
+            old_priv.model_id != priv->model_id ||
+            old_priv.capabilities != priv->capabilities ||
+            old_priv.ext_cap != priv->ext_cap) {
+                printk(KERN_ERR "Synaptics hardware appears to be different: "
+                        "id(%ld-%ld), model(%ld-%ld), caps(%lx-%lx), ext(%lx-%lx).\n",
+                        old_priv.identity, priv->identity,
+                        old_priv.model_id, priv->model_id,
+                        old_priv.capabilities, priv->capabilities,
+                        old_priv.ext_cap, priv->ext_cap);
+                return -1;
+        }
+
         return 0;
 }
 
diff --git a/drivers/media/rc/ir-lirc-codec.c b/drivers/media/rc/ir-lirc-codec.c
index f011c5d9dea1..1c5cc65ea1e1 100644
--- a/drivers/media/rc/ir-lirc-codec.c
+++ b/drivers/media/rc/ir-lirc-codec.c
@@ -1,4 +1,4 @@
-/* ir-lirc-codec.c - ir-core to classic lirc interface bridge
+/* ir-lirc-codec.c - rc-core to classic lirc interface bridge
  *
  * Copyright (C) 2010 by Jarod Wilson <jarod@redhat.com>
  *
@@ -47,6 +47,7 @@ static int ir_lirc_decode(struct rc_dev *dev, struct ir_raw_event ev)
         /* Carrier reports */
         if (ev.carrier_report) {
                 sample = LIRC_FREQUENCY(ev.carrier);
+                IR_dprintk(2, "carrier report (freq: %d)\n", sample);
 
         /* Packet end */
         } else if (ev.timeout) {
@@ -62,6 +63,7 @@ static int ir_lirc_decode(struct rc_dev *dev, struct ir_raw_event ev)
                         return 0;
 
                 sample = LIRC_TIMEOUT(ev.duration / 1000);
+                IR_dprintk(2, "timeout report (duration: %d)\n", sample);
 
         /* Normal sample */
         } else {
@@ -85,6 +87,8 @@ static int ir_lirc_decode(struct rc_dev *dev, struct ir_raw_event ev)
 
                 sample = ev.pulse ? LIRC_PULSE(ev.duration / 1000) :
                                         LIRC_SPACE(ev.duration / 1000);
+                IR_dprintk(2, "delivering %uus %s to lirc_dev\n",
+                           TO_US(ev.duration), TO_STR(ev.pulse));
         }
 
         lirc_buffer_write(dev->raw->lirc.drv->rbuf,
diff --git a/drivers/media/rc/keymaps/rc-rc6-mce.c b/drivers/media/rc/keymaps/rc-rc6-mce.c
index 3bf3337875d1..2f5dc0622b94 100644
--- a/drivers/media/rc/keymaps/rc-rc6-mce.c
+++ b/drivers/media/rc/keymaps/rc-rc6-mce.c
@@ -3,6 +3,9 @@
  *
  * Copyright (c) 2010 by Jarod Wilson <jarod@redhat.com>
  *
+ * See http://mediacenterguides.com/book/export/html/31 for details on
+ * key mappings.
+ *
  * 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
@@ -60,6 +63,9 @@ static struct rc_map_table rc6_mce[] = {
         { 0x800f0426, KEY_EPG },                /* Guide */
         { 0x800f0427, KEY_ZOOM },               /* Aspect */
 
+        { 0x800f0432, KEY_MODE },               /* Visualization */
+        { 0x800f0433, KEY_PRESENTATION },       /* Slide Show */
+        { 0x800f0434, KEY_EJECTCD },
         { 0x800f043a, KEY_BRIGHTNESSUP },
 
         { 0x800f0446, KEY_TV },
diff --git a/drivers/media/rc/mceusb.c b/drivers/media/rc/mceusb.c
index 079353e5d558..6df0a4980645 100644
--- a/drivers/media/rc/mceusb.c
+++ b/drivers/media/rc/mceusb.c
@@ -816,7 +816,7 @@ static void mceusb_handle_command(struct mceusb_dev *ir, int index)
         switch (ir->buf_in[index]) {
         /* 2-byte return value commands */
         case MCE_CMD_S_TIMEOUT:
-                ir->rc->timeout = MS_TO_NS((hi << 8 | lo) / 2);
+                ir->rc->timeout = US_TO_NS((hi << 8 | lo) / 2);
                 break;
 
         /* 1-byte return value commands */
@@ -855,9 +855,10 @@ static void mceusb_process_ir_data(struct mceusb_dev *ir, int buf_len)
                         break;
                 case PARSE_IRDATA:
                         ir->rem--;
+                        init_ir_raw_event(&rawir);
                         rawir.pulse = ((ir->buf_in[i] & MCE_PULSE_BIT) != 0);
                         rawir.duration = (ir->buf_in[i] & MCE_PULSE_MASK)
-                                         * MS_TO_US(MCE_TIME_UNIT);
+                                         * US_TO_NS(MCE_TIME_UNIT);
 
                         dev_dbg(ir->dev, "Storing %s with duration %d\n",
                                 rawir.pulse ? "pulse" : "space",
@@ -883,6 +884,8 @@ static void mceusb_process_ir_data(struct mceusb_dev *ir, int buf_len)
                                              i, ir->rem + 1, false);
                         if (ir->rem)
                                 ir->parser_state = PARSE_IRDATA;
+                        else
+                                ir_raw_event_reset(ir->rc);
                         break;
                 }
 
@@ -1060,7 +1063,7 @@ static struct rc_dev *mceusb_init_rc_dev(struct mceusb_dev *ir)
         rc->priv = ir;
         rc->driver_type = RC_DRIVER_IR_RAW;
         rc->allowed_protos = RC_TYPE_ALL;
-        rc->timeout = MS_TO_NS(1000);
+        rc->timeout = US_TO_NS(1000);
         if (!ir->flags.no_tx) {
                 rc->s_tx_mask = mceusb_set_tx_mask;
                 rc->s_tx_carrier = mceusb_set_tx_carrier;
diff --git a/drivers/media/rc/nuvoton-cir.c b/drivers/media/rc/nuvoton-cir.c
index dd4caf8ef80b..273d9d674792 100644
--- a/drivers/media/rc/nuvoton-cir.c
+++ b/drivers/media/rc/nuvoton-cir.c
@@ -460,7 +460,7 @@ static u32 nvt_rx_carrier_detect(struct nvt_dev *nvt)
                 return 0;
         }
 
-        carrier = (count * 1000000) / duration;
+        carrier = MS_TO_NS(count) / duration;
 
         if ((carrier > MAX_CARRIER) || (carrier < MIN_CARRIER))
                 nvt_dbg("WTF? Carrier frequency out of range!");
@@ -612,8 +612,8 @@ static void nvt_process_rx_ir_data(struct nvt_dev *nvt)
                 sample = nvt->buf[i];
 
                 rawir.pulse = ((sample & BUF_PULSE_BIT) != 0);
-                rawir.duration = (sample & BUF_LEN_MASK)
-                                        * SAMPLE_PERIOD * 1000;
+                rawir.duration = US_TO_NS((sample & BUF_LEN_MASK)
+                                          * SAMPLE_PERIOD);
 
                 if ((sample & BUF_LEN_MASK) == BUF_LEN_MASK) {
                         if (nvt->rawir.pulse == rawir.pulse)
diff --git a/drivers/media/rc/rc-main.c b/drivers/media/rc/rc-main.c
index 72be8a02118c..512a2f4ada0e 100644
--- a/drivers/media/rc/rc-main.c
+++ b/drivers/media/rc/rc-main.c
@@ -458,21 +458,27 @@ static int ir_getkeycode(struct input_dev *idev,
                 index = ir_lookup_by_scancode(rc_map, scancode);
         }
 
-        if (index >= rc_map->len) {
-                if (!(ke->flags & INPUT_KEYMAP_BY_INDEX))
-                        IR_dprintk(1, "unknown key for scancode 0x%04x\n",
-                                   scancode);
+        if (index < rc_map->len) {
+                entry = &rc_map->scan[index];
+
+                ke->index = index;
+                ke->keycode = entry->keycode;
+                ke->len = sizeof(entry->scancode);
+                memcpy(ke->scancode, &entry->scancode, sizeof(entry->scancode));
+
+        } else if (!(ke->flags & INPUT_KEYMAP_BY_INDEX)) {
+                /*
+                 * We do not really know the valid range of scancodes
+                 * so let's respond with KEY_RESERVED to anything we
+                 * do not have mapping for [yet].
+                 */
+                ke->index = index;
+                ke->keycode = KEY_RESERVED;
+        } else {
                 retval = -EINVAL;
                 goto out;
         }
 
-        entry = &rc_map->scan[index];
-
-        ke->index = index;
-        ke->keycode = entry->keycode;
-        ke->len = sizeof(entry->scancode);
-        memcpy(ke->scancode, &entry->scancode, sizeof(entry->scancode));
-
         retval = 0;
 
 out:
diff --git a/drivers/media/rc/streamzap.c b/drivers/media/rc/streamzap.c
index 6e2911c2abfb..e435d94c0776 100644
--- a/drivers/media/rc/streamzap.c
+++ b/drivers/media/rc/streamzap.c
@@ -164,7 +164,7 @@ static void sz_push_full_pulse(struct streamzap_ir *sz,
                                 sz->signal_start.tv_usec -
                                 sz->signal_last.tv_usec);
                         rawir.duration -= sz->sum;
-                        rawir.duration *= 1000;
+                        rawir.duration = US_TO_NS(rawir.duration);
                         rawir.duration &= IR_MAX_DURATION;
                 }
                 sz_push(sz, rawir);
@@ -177,7 +177,7 @@ static void sz_push_full_pulse(struct streamzap_ir *sz,
         rawir.duration = ((int) value) * SZ_RESOLUTION;
         rawir.duration += SZ_RESOLUTION / 2;
         sz->sum += rawir.duration;
-        rawir.duration *= 1000;
+        rawir.duration = US_TO_NS(rawir.duration);
         rawir.duration &= IR_MAX_DURATION;
         sz_push(sz, rawir);
 }
@@ -197,7 +197,7 @@ static void sz_push_full_space(struct streamzap_ir *sz,
         rawir.duration = ((int) value) * SZ_RESOLUTION;
         rawir.duration += SZ_RESOLUTION / 2;
         sz->sum += rawir.duration;
-        rawir.duration *= 1000;
+        rawir.duration = US_TO_NS(rawir.duration);
         sz_push(sz, rawir);
 }
 
@@ -273,6 +273,7 @@ static void streamzap_callback(struct urb *urb)
                                 if (sz->timeout_enabled)
                                         sz_push(sz, rawir);
                                 ir_raw_event_handle(sz->rdev);
+                                ir_raw_event_reset(sz->rdev);
                         } else {
                                 sz_push_full_space(sz, sz->buf_in[i]);
                         }
@@ -290,6 +291,7 @@ static void streamzap_callback(struct urb *urb)
                 }
         }
 
+        ir_raw_event_handle(sz->rdev);
         usb_submit_urb(urb, GFP_ATOMIC);
 
         return;
@@ -430,13 +432,13 @@ static int __devinit streamzap_probe(struct usb_interface *intf,
         sz->decoder_state = PulseSpace;
         /* FIXME: don't yet have a way to set this */
         sz->timeout_enabled = true;
-        sz->rdev->timeout = (((SZ_TIMEOUT * SZ_RESOLUTION * 1000) &
+        sz->rdev->timeout = ((US_TO_NS(SZ_TIMEOUT * SZ_RESOLUTION) &
                                 IR_MAX_DURATION) | 0x03000000);
         #if 0
         /* not yet supported, depends on patches from maxim */
         /* see also: LIRC_GET_REC_RESOLUTION and LIRC_SET_REC_TIMEOUT */
-        sz->min_timeout = SZ_TIMEOUT * SZ_RESOLUTION * 1000;
-        sz->max_timeout = SZ_TIMEOUT * SZ_RESOLUTION * 1000;
+        sz->min_timeout = US_TO_NS(SZ_TIMEOUT * SZ_RESOLUTION);
+        sz->max_timeout = US_TO_NS(SZ_TIMEOUT * SZ_RESOLUTION);
         #endif
 
         do_gettimeofday(&sz->signal_start);
diff --git a/drivers/media/video/gspca/zc3xx.c b/drivers/media/video/gspca/zc3xx.c
index 865216e9362c..47236a58bf33 100644
--- a/drivers/media/video/gspca/zc3xx.c
+++ b/drivers/media/video/gspca/zc3xx.c
@@ -5793,7 +5793,7 @@ static void usb_exchange(struct gspca_dev *gspca_dev,
                         break;
                 default:
 /*              case 0xdd:       * delay */
-                        msleep(action->val / 64 + 10);
+                        msleep(action->idx);
                         break;
                 }
                 action++;
@@ -5830,7 +5830,7 @@ static void setmatrix(struct gspca_dev *gspca_dev)
                 [SENSOR_GC0305] =       gc0305_matrix,
                 [SENSOR_HDCS2020b] =    NULL,
                 [SENSOR_HV7131B] =      NULL,
-                [SENSOR_HV7131R] =      NULL,
+                [SENSOR_HV7131R] =      po2030_matrix,
                 [SENSOR_ICM105A] =      po2030_matrix,
                 [SENSOR_MC501CB] =      NULL,
                 [SENSOR_MT9V111_1] =    gc0305_matrix,
@@ -5936,6 +5936,7 @@ static void setquality(struct gspca_dev *gspca_dev)
         case SENSOR_ADCM2700:
         case SENSOR_GC0305:
         case SENSOR_HV7131B:
+        case SENSOR_HV7131R:
         case SENSOR_OV7620:
         case SENSOR_PAS202B:
         case SENSOR_PO2030:
@@ -6108,11 +6109,13 @@ static void send_unknown(struct gspca_dev *gspca_dev, int sensor)
                 reg_w(gspca_dev, 0x02, 0x003b);
                 reg_w(gspca_dev, 0x00, 0x0038);
                 break;
+        case SENSOR_HV7131R:
         case SENSOR_PAS202B:
                 reg_w(gspca_dev, 0x03, 0x003b);
                 reg_w(gspca_dev, 0x0c, 0x003a);
                 reg_w(gspca_dev, 0x0b, 0x0039);
-                reg_w(gspca_dev, 0x0b, 0x0038);
+                if (sensor == SENSOR_PAS202B)
+                        reg_w(gspca_dev, 0x0b, 0x0038);
                 break;
         }
 }
@@ -6704,10 +6707,13 @@ static int sd_start(struct gspca_dev *gspca_dev)
                 reg_w(gspca_dev, 0x02, 0x003b);
                 reg_w(gspca_dev, 0x00, 0x0038);
                 break;
+        case SENSOR_HV7131R:
         case SENSOR_PAS202B:
                 reg_w(gspca_dev, 0x03, 0x003b);
                 reg_w(gspca_dev, 0x0c, 0x003a);
                 reg_w(gspca_dev, 0x0b, 0x0039);
+                if (sd->sensor == SENSOR_HV7131R)
+                        reg_w(gspca_dev, 0x50, ZC3XX_R11D_GLOBALGAIN);
                 break;
         }
 
@@ -6720,6 +6726,7 @@ static int sd_start(struct gspca_dev *gspca_dev)
                 break;
         case SENSOR_PAS202B:
         case SENSOR_GC0305:
+        case SENSOR_HV7131R:
         case SENSOR_TAS5130C:
                 reg_r(gspca_dev, 0x0008);
                 /* fall thru */
@@ -6760,6 +6767,12 @@ static int sd_start(struct gspca_dev *gspca_dev)
                                                 /* ms-win + */
                 reg_w(gspca_dev, 0x40, 0x0117);
                 break;
+        case SENSOR_HV7131R:
+                i2c_write(gspca_dev, 0x25, 0x04, 0x00); /* exposure */
+                i2c_write(gspca_dev, 0x26, 0x93, 0x00);
+                i2c_write(gspca_dev, 0x27, 0xe0, 0x00);
+                reg_w(gspca_dev, 0x00, ZC3XX_R1A7_CALCGLOBALMEAN);
+                break;
         case SENSOR_GC0305:
         case SENSOR_TAS5130C:
                 reg_w(gspca_dev, 0x09, 0x01ad); /* (from win traces) */
@@ -6808,9 +6821,17 @@ static void sd_pkt_scan(struct gspca_dev *gspca_dev,
 {
         struct sd *sd = (struct sd *) gspca_dev;
 
-        if (data[0] == 0xff && data[1] == 0xd8) {       /* start of frame */
+        /* check the JPEG end of frame */
+        if (len >= 3
+         && data[len - 3] == 0xff && data[len - 2] == 0xd9) {
+/*fixme: what does the last byte mean?*/
                 gspca_frame_add(gspca_dev, LAST_PACKET,
-                                        NULL, 0);
+                                        data, len - 1);
+                return;
+        }
+
+        /* check the JPEG start of a frame */
+        if (data[0] == 0xff && data[1] == 0xd8) {
                 /* put the JPEG header in the new frame */
                 gspca_frame_add(gspca_dev, FIRST_PACKET,
                         sd->jpeg_hdr, JPEG_HDR_SZ);
diff --git a/drivers/media/video/hdpvr/hdpvr-core.c b/drivers/media/video/hdpvr/hdpvr-core.c
index a6572e5ae369..a27d93b503a5 100644
--- a/drivers/media/video/hdpvr/hdpvr-core.c
+++ b/drivers/media/video/hdpvr/hdpvr-core.c
@@ -283,6 +283,7 @@ static int hdpvr_probe(struct usb_interface *interface,
         struct hdpvr_device *dev;
         struct usb_host_interface *iface_desc;
         struct usb_endpoint_descriptor *endpoint;
+        struct i2c_client *client;
         size_t buffer_size;
         int i;
         int retval = -ENOMEM;
@@ -381,13 +382,21 @@ static int hdpvr_probe(struct usb_interface *interface,
 #if defined(CONFIG_I2C) || defined(CONFIG_I2C_MODULE)
         retval = hdpvr_register_i2c_adapter(dev);
         if (retval < 0) {
-                v4l2_err(&dev->v4l2_dev, "registering i2c adapter failed\n");
+                v4l2_err(&dev->v4l2_dev, "i2c adapter register failed\n");
                 goto error;
         }
 
-        retval = hdpvr_register_i2c_ir(dev);
-        if (retval < 0)
-                v4l2_err(&dev->v4l2_dev, "registering i2c IR devices failed\n");
+        client = hdpvr_register_ir_rx_i2c(dev);
+        if (!client) {
+                v4l2_err(&dev->v4l2_dev, "i2c IR RX device register failed\n");
+                goto reg_fail;
+        }
+
+        client = hdpvr_register_ir_tx_i2c(dev);
+        if (!client) {
+                v4l2_err(&dev->v4l2_dev, "i2c IR TX device register failed\n");
+                goto reg_fail;
+        }
 #endif
 
         /* let the user know what node this device is now attached to */
@@ -395,6 +404,10 @@ static int hdpvr_probe(struct usb_interface *interface,
                   video_device_node_name(dev->video_dev));
         return 0;
 
+reg_fail:
+#if defined(CONFIG_I2C) || defined(CONFIG_I2C_MODULE)
+        i2c_del_adapter(&dev->i2c_adapter);
+#endif
 error:
         if (dev) {
                 /* Destroy single thread */
@@ -424,6 +437,9 @@ static void hdpvr_disconnect(struct usb_interface *interface)
         mutex_lock(&dev->io_mutex);
         hdpvr_cancel_queue(dev);
         mutex_unlock(&dev->io_mutex);
+#if defined(CONFIG_I2C) || defined(CONFIG_I2C_MODULE)
+        i2c_del_adapter(&dev->i2c_adapter);
+#endif
         video_unregister_device(dev->video_dev);
         atomic_dec(&dev_nr);
 }
diff --git a/drivers/media/video/hdpvr/hdpvr-i2c.c b/drivers/media/video/hdpvr/hdpvr-i2c.c
index 89b71faeaac2..e53fa55d56a1 100644
--- a/drivers/media/video/hdpvr/hdpvr-i2c.c
+++ b/drivers/media/video/hdpvr/hdpvr-i2c.c
@@ -31,26 +31,34 @@
 #define Z8F0811_IR_RX_I2C_ADDR  0x71
 
 
-static struct i2c_board_info hdpvr_i2c_board_info = {
-        I2C_BOARD_INFO("ir_tx_z8f0811_hdpvr", Z8F0811_IR_TX_I2C_ADDR),
-        I2C_BOARD_INFO("ir_rx_z8f0811_hdpvr", Z8F0811_IR_RX_I2C_ADDR),
-};
+struct i2c_client *hdpvr_register_ir_tx_i2c(struct hdpvr_device *dev)
+{
+        struct IR_i2c_init_data *init_data = &dev->ir_i2c_init_data;
+        struct i2c_board_info hdpvr_ir_tx_i2c_board_info = {
+                I2C_BOARD_INFO("ir_tx_z8f0811_hdpvr", Z8F0811_IR_TX_I2C_ADDR),
+        };
+
+        init_data->name = "HD-PVR";
+        hdpvr_ir_tx_i2c_board_info.platform_data = init_data;
 
-int hdpvr_register_i2c_ir(struct hdpvr_device *dev)
+        return i2c_new_device(&dev->i2c_adapter, &hdpvr_ir_tx_i2c_board_info);
+}
+
+struct i2c_client *hdpvr_register_ir_rx_i2c(struct hdpvr_device *dev)
 {
-        struct i2c_client *c;
         struct IR_i2c_init_data *init_data = &dev->ir_i2c_init_data;
+        struct i2c_board_info hdpvr_ir_rx_i2c_board_info = {
+                I2C_BOARD_INFO("ir_rx_z8f0811_hdpvr", Z8F0811_IR_RX_I2C_ADDR),
+        };
 
         /* Our default information for ir-kbd-i2c.c to use */
         init_data->ir_codes = RC_MAP_HAUPPAUGE_NEW;
         init_data->internal_get_key_func = IR_KBD_GET_KEY_HAUP_XVR;
         init_data->type = RC_TYPE_RC5;
-        init_data->name = "HD PVR";
-        hdpvr_i2c_board_info.platform_data = init_data;
-
-        c = i2c_new_device(&dev->i2c_adapter, &hdpvr_i2c_board_info);
+        init_data->name = "HD-PVR";
+        hdpvr_ir_rx_i2c_board_info.platform_data = init_data;
 
-        return (c == NULL) ? -ENODEV : 0;
+        return i2c_new_device(&dev->i2c_adapter, &hdpvr_ir_rx_i2c_board_info);
 }
 
 static int hdpvr_i2c_read(struct hdpvr_device *dev, int bus,
diff --git a/drivers/media/video/hdpvr/hdpvr.h b/drivers/media/video/hdpvr/hdpvr.h
index ee74e3be9a6a..072f23c570f3 100644
--- a/drivers/media/video/hdpvr/hdpvr.h
+++ b/drivers/media/video/hdpvr/hdpvr.h
@@ -313,7 +313,8 @@ int hdpvr_cancel_queue(struct hdpvr_device *dev);
 /* i2c adapter registration */
 int hdpvr_register_i2c_adapter(struct hdpvr_device *dev);
 
-int hdpvr_register_i2c_ir(struct hdpvr_device *dev);
+struct i2c_client *hdpvr_register_ir_rx_i2c(struct hdpvr_device *dev);
+struct i2c_client *hdpvr_register_ir_tx_i2c(struct hdpvr_device *dev);
 
 /*========================================================================*/
 /* buffer management */
diff --git a/drivers/media/video/ir-kbd-i2c.c b/drivers/media/video/ir-kbd-i2c.c
index d2b20ad383a3..a221ad68b330 100644
--- a/drivers/media/video/ir-kbd-i2c.c
+++ b/drivers/media/video/ir-kbd-i2c.c
@@ -128,6 +128,19 @@ static int get_key_haup(struct IR_i2c *ir, u32 *ir_key, u32 *ir_raw)
 
 static int get_key_haup_xvr(struct IR_i2c *ir, u32 *ir_key, u32 *ir_raw)
 {
+        int ret;
+        unsigned char buf[1] = { 0 };
+
+        /*
+         * This is the same apparent "are you ready?" poll command observed
+         * watching Windows driver traffic and implemented in lirc_zilog. With
+         * this added, we get far saner remote behavior with z8 chips on usb
+         * connected devices, even with the default polling interval of 100ms.
+         */
+        ret = i2c_master_send(ir->c, buf, 1);
+        if (ret != 1)
+                return (ret < 0) ? ret : -EINVAL;
+
         return get_key_haup_common (ir, ir_key, ir_raw, 6, 3);
 }
 
diff --git a/drivers/media/video/pvrusb2/pvrusb2-i2c-core.c b/drivers/media/video/pvrusb2/pvrusb2-i2c-core.c
index ccc884948f34..451ecd485f97 100644
--- a/drivers/media/video/pvrusb2/pvrusb2-i2c-core.c
+++ b/drivers/media/video/pvrusb2/pvrusb2-i2c-core.c
@@ -597,7 +597,6 @@ static void pvr2_i2c_register_ir(struct pvr2_hdw *hdw)
                 init_data->internal_get_key_func = IR_KBD_GET_KEY_HAUP_XVR;
                 init_data->type                  = RC_TYPE_RC5;
                 init_data->name                  = hdw->hdw_desc->description;
-                init_data->polling_interval      = 260; /* ms From lirc_zilog */
                 /* IR Receiver */
                 info.addr          = 0x71;
                 info.platform_data = init_data;
diff --git a/drivers/media/video/saa7115.c b/drivers/media/video/saa7115.c
index f35459d1f42f..0db90922ee93 100644
--- a/drivers/media/video/saa7115.c
+++ b/drivers/media/video/saa7115.c
@@ -1565,7 +1565,7 @@ static int saa711x_probe(struct i2c_client *client,
         chip_id = name[5];
 
         /* Check whether this chip is part of the saa711x series */
-        if (memcmp(name, "1f711", 5)) {
+        if (memcmp(name + 1, "f711", 4)) {
                 v4l_dbg(1, debug, client, "chip found @ 0x%x (ID %s) does not match a known saa711x chip.\n",
                         client->addr << 1, name);
                 return -ENODEV;
diff --git a/drivers/mmc/host/mmci.c b/drivers/mmc/host/mmci.c
index 4b8dcd5b2a01..2d6de3e03e2d 100644
--- a/drivers/mmc/host/mmci.c
+++ b/drivers/mmc/host/mmci.c
@@ -14,6 +14,7 @@
 #include <linux/ioport.h>
 #include <linux/device.h>
 #include <linux/interrupt.h>
+#include <linux/kernel.h>
 #include <linux/delay.h>
 #include <linux/err.h>
 #include <linux/highmem.h>
@@ -283,19 +284,19 @@ mmci_data_irq(struct mmci_host *host, struct mmc_data *data,
                 u32 remain, success;
 
                 /* Calculate how far we are into the transfer */
-                remain = readl(host->base + MMCIDATACNT) << 2;
+                remain = readl(host->base + MMCIDATACNT);
                 success = data->blksz * data->blocks - remain;
 
                 dev_dbg(mmc_dev(host->mmc), "MCI ERROR IRQ (status %08x)\n", status);
                 if (status & MCI_DATACRCFAIL) {
                         /* Last block was not successful */
-                        host->data_xfered = ((success / data->blksz) - 1 * data->blksz);
+                        host->data_xfered = round_down(success - 1, data->blksz);
                         data->error = -EILSEQ;
                 } else if (status & MCI_DATATIMEOUT) {
-                        host->data_xfered = success;
+                        host->data_xfered = round_down(success, data->blksz);
                         data->error = -ETIMEDOUT;
                 } else if (status & (MCI_TXUNDERRUN|MCI_RXOVERRUN)) {
-                        host->data_xfered = success;
+                        host->data_xfered = round_down(success, data->blksz);
                         data->error = -EIO;
                 }
 
@@ -319,7 +320,7 @@ mmci_data_irq(struct mmci_host *host, struct mmc_data *data,
         if (status & MCI_DATABLOCKEND)
                 dev_err(mmc_dev(host->mmc), "stray MCI_DATABLOCKEND interrupt\n");
 
-        if (status & MCI_DATAEND) {
+        if (status & MCI_DATAEND || data->error) {
                 mmci_stop_data(host);
 
                 if (!data->error)
diff --git a/drivers/mtd/ubi/build.c b/drivers/mtd/ubi/build.c
index f49e49dc5928..5ebe280225d6 100644
--- a/drivers/mtd/ubi/build.c
+++ b/drivers/mtd/ubi/build.c
@@ -672,33 +672,7 @@ static int io_init(struct ubi_device *ubi)
                 ubi->nor_flash = 1;
         }
 
-        /*
-         * Set UBI min. I/O size (@ubi->min_io_size). We use @mtd->writebufsize
-         * for these purposes, not @mtd->writesize. At the moment this does not
-         * matter for NAND, because currently @mtd->writebufsize is equivalent to
-         * @mtd->writesize for all NANDs. However, some CFI NOR flashes may
-         * have @mtd->writebufsize which is multiple of @mtd->writesize.
-         *
-         * The reason we use @mtd->writebufsize for @ubi->min_io_size is that
-         * UBI and UBIFS recovery algorithms rely on the fact that if there was
-         * an unclean power cut, then we can find offset of the last corrupted
-         * node, align the offset to @ubi->min_io_size, read the rest of the
-         * eraseblock starting from this offset, and check whether there are
-         * only 0xFF bytes. If yes, then we are probably dealing with a
-         * corruption caused by a power cut, if not, then this is probably some
-         * severe corruption.
-         *
-         * Thus, we have to use the maximum write unit size of the flash, which
-         * is @mtd->writebufsize, because @mtd->writesize is the minimum write
-         * size, not the maximum.
-         */
-        if (ubi->mtd->type == MTD_NANDFLASH)
-                ubi_assert(ubi->mtd->writebufsize == ubi->mtd->writesize);
-        else if (ubi->mtd->type == MTD_NORFLASH)
-                ubi_assert(ubi->mtd->writebufsize % ubi->mtd->writesize == 0);
-
-        ubi->min_io_size = ubi->mtd->writebufsize;
-
+        ubi->min_io_size = ubi->mtd->writesize;
         ubi->hdrs_min_io_size = ubi->mtd->writesize >> ubi->mtd->subpage_sft;
 
         /*
diff --git a/drivers/net/mlx4/main.c b/drivers/net/mlx4/main.c
index 4ffdc18fcb8a..2765a3ce9c24 100644
--- a/drivers/net/mlx4/main.c
+++ b/drivers/net/mlx4/main.c
@@ -1286,6 +1286,21 @@ static DEFINE_PCI_DEVICE_TABLE(mlx4_pci_table) = {
         { PCI_VDEVICE(MELLANOX, 0x6764) }, /* MT26468 ConnectX EN 10GigE PCIe gen2*/
         { PCI_VDEVICE(MELLANOX, 0x6746) }, /* MT26438 ConnectX EN 40GigE PCIe gen2 5GT/s */
         { PCI_VDEVICE(MELLANOX, 0x676e) }, /* MT26478 ConnectX2 40GigE PCIe gen2 */
+        { PCI_VDEVICE(MELLANOX, 0x1002) }, /* MT25400 Family [ConnectX-2 Virtual Function] */
+        { PCI_VDEVICE(MELLANOX, 0x1003) }, /* MT27500 Family [ConnectX-3] */
+        { PCI_VDEVICE(MELLANOX, 0x1004) }, /* MT27500 Family [ConnectX-3 Virtual Function] */
+        { PCI_VDEVICE(MELLANOX, 0x1005) }, /* MT27510 Family */
+        { PCI_VDEVICE(MELLANOX, 0x1006) }, /* MT27511 Family */
+        { PCI_VDEVICE(MELLANOX, 0x1007) }, /* MT27520 Family */
+        { PCI_VDEVICE(MELLANOX, 0x1008) }, /* MT27521 Family */
+        { PCI_VDEVICE(MELLANOX, 0x1009) }, /* MT27530 Family */
+        { PCI_VDEVICE(MELLANOX, 0x100a) }, /* MT27531 Family */
+        { PCI_VDEVICE(MELLANOX, 0x100b) }, /* MT27540 Family */
+        { PCI_VDEVICE(MELLANOX, 0x100c) }, /* MT27541 Family */
+        { PCI_VDEVICE(MELLANOX, 0x100d) }, /* MT27550 Family */
+        { PCI_VDEVICE(MELLANOX, 0x100e) }, /* MT27551 Family */
+        { PCI_VDEVICE(MELLANOX, 0x100f) }, /* MT27560 Family */
+        { PCI_VDEVICE(MELLANOX, 0x1010) }, /* MT27561 Family */
         { 0, }
 };
 
diff --git a/drivers/platform/x86/intel_scu_ipc.c b/drivers/platform/x86/intel_scu_ipc.c
index f374c5961b32..a91d510a798b 100644
--- a/drivers/platform/x86/intel_scu_ipc.c
+++ b/drivers/platform/x86/intel_scu_ipc.c
@@ -26,7 +26,6 @@
 #include <linux/sfi.h>
 #include <asm/mrst.h>
 #include <asm/intel_scu_ipc.h>
-#include <asm/mrst.h>
 
 /* IPC defines the following message types */
 #define IPCMSG_WATCHDOG_TIMER 0xF8 /* Set Kernel Watchdog Threshold */
diff --git a/drivers/s390/block/dasd_alias.c b/drivers/s390/block/dasd_alias.c
index 4155805dcdff..2b771f18d1ad 100644
--- a/drivers/s390/block/dasd_alias.c
+++ b/drivers/s390/block/dasd_alias.c
@@ -319,6 +319,9 @@ void dasd_alias_disconnect_device_from_lcu(struct dasd_device *device)
 
         private = (struct dasd_eckd_private *) device->private;
         lcu = private->lcu;
+        /* nothing to do if already disconnected */
+        if (!lcu)
+                return;
         device->discipline->get_uid(device, &uid);
         spin_lock_irqsave(&lcu->lock, flags);
         list_del_init(&device->alias_list);
@@ -680,6 +683,9 @@ int dasd_alias_remove_device(struct dasd_device *device)
 
         private = (struct dasd_eckd_private *) device->private;
         lcu = private->lcu;
+        /* nothing to do if already removed */
+        if (!lcu)
+                return 0;
         spin_lock_irqsave(&lcu->lock, flags);
         _remove_device_from_lcu(lcu, device);
         spin_unlock_irqrestore(&lcu->lock, flags);
diff --git a/drivers/s390/cio/qdio_main.c b/drivers/s390/cio/qdio_main.c
index e9fff2b9bce2..5640c89cd9de 100644
--- a/drivers/s390/cio/qdio_main.c
+++ b/drivers/s390/cio/qdio_main.c
@@ -476,7 +476,7 @@ static inline void inbound_primed(struct qdio_q *q, int count)
 static int get_inbound_buffer_frontier(struct qdio_q *q)
 {
         int count, stop;
-        unsigned char state;
+        unsigned char state = 0;
 
         /*
          * Don't check 128 buffers, as otherwise qdio_inbound_q_moved
@@ -643,7 +643,7 @@ void qdio_inbound_processing(unsigned long data)
 static int get_outbound_buffer_frontier(struct qdio_q *q)
 {
         int count, stop;
-        unsigned char state;
+        unsigned char state = 0;
 
         if (need_siga_sync(q))
                 if (((queue_type(q) != QDIO_IQDIO_QFMT) &&
diff --git a/drivers/scsi/arcmsr/arcmsr.h b/drivers/scsi/arcmsr/arcmsr.h
index 475c31ae985c..77b26f5b9c33 100644
--- a/drivers/scsi/arcmsr/arcmsr.h
+++ b/drivers/scsi/arcmsr/arcmsr.h
@@ -2,7 +2,7 @@
 *******************************************************************************
 **        O.S   : Linux
 **   FILE NAME  : arcmsr.h
-**        BY    : Erich Chen
+**        BY    : Nick Cheng
 **   Description: SCSI RAID Device Driver for
 **                ARECA RAID Host adapter
 *******************************************************************************
@@ -46,8 +46,12 @@
 struct device_attribute;
 /*The limit of outstanding scsi command that firmware can handle*/
 #define ARCMSR_MAX_OUTSTANDING_CMD                                              256
-#define ARCMSR_MAX_FREECCB_NUM                                                  320
-#define ARCMSR_DRIVER_VERSION                "Driver Version 1.20.00.15 2010/02/02"
+#ifdef CONFIG_XEN
+        #define ARCMSR_MAX_FREECCB_NUM  160
+#else
+        #define ARCMSR_MAX_FREECCB_NUM  320
+#endif
+#define ARCMSR_DRIVER_VERSION                "Driver Version 1.20.00.15 2010/08/05"
 #define ARCMSR_SCSI_INITIATOR_ID                                                255
 #define ARCMSR_MAX_XFER_SECTORS                                                 512
 #define ARCMSR_MAX_XFER_SECTORS_B                                               4096
@@ -60,7 +64,6 @@ struct device_attribute;
 #define ARCMSR_MAX_HBB_POSTQUEUE                                                264
 #define ARCMSR_MAX_XFER_LEN                                                     0x26000 /* 152K */
 #define ARCMSR_CDB_SG_PAGE_LENGTH                                               256 
-#define SCSI_CMD_ARECA_SPECIFIC                                         0xE1
 #ifndef PCI_DEVICE_ID_ARECA_1880
 #define PCI_DEVICE_ID_ARECA_1880 0x1880
  #endif
diff --git a/drivers/scsi/arcmsr/arcmsr_attr.c b/drivers/scsi/arcmsr/arcmsr_attr.c
index a4e04c50c436..acdae33de521 100644
--- a/drivers/scsi/arcmsr/arcmsr_attr.c
+++ b/drivers/scsi/arcmsr/arcmsr_attr.c
@@ -2,7 +2,7 @@
 *******************************************************************************
 **        O.S   : Linux
 **   FILE NAME  : arcmsr_attr.c
-**        BY    : Erich Chen
+**        BY    : Nick Cheng
 **   Description: attributes exported to sysfs and device host
 *******************************************************************************
 ** Copyright (C) 2002 - 2005, Areca Technology Corporation All rights reserved
diff --git a/drivers/scsi/arcmsr/arcmsr_hba.c b/drivers/scsi/arcmsr/arcmsr_hba.c
index 1cadcd6b7da6..984bd527c6c9 100644
--- a/drivers/scsi/arcmsr/arcmsr_hba.c
+++ b/drivers/scsi/arcmsr/arcmsr_hba.c
@@ -2,7 +2,7 @@
 *******************************************************************************
 **        O.S   : Linux
 **   FILE NAME  : arcmsr_hba.c
-**        BY    : Erich Chen
+**        BY    : Nick Cheng
 **   Description: SCSI RAID Device Driver for
 **                ARECA RAID Host adapter
 *******************************************************************************
@@ -76,7 +76,7 @@ MODULE_DESCRIPTION("ARECA (ARC11xx/12xx/16xx/1880) SATA/SAS RAID Host Bus Adapte
 MODULE_LICENSE("Dual BSD/GPL");
 MODULE_VERSION(ARCMSR_DRIVER_VERSION);
 static int sleeptime = 10;
-static int retrycount = 30;
+static int retrycount = 12;
 wait_queue_head_t wait_q;
 static int arcmsr_iop_message_xfer(struct AdapterControlBlock *acb,
                                         struct scsi_cmnd *cmd);
@@ -187,7 +187,6 @@ int arcmsr_sleep_for_bus_reset(struct scsi_cmnd *cmd)
                 if (isleep > 0) {
                         msleep(isleep*1000);
                 }
-                printk(KERN_NOTICE "wake-up\n");
                 return 0;
 }
 
@@ -921,7 +920,6 @@ static void arcmsr_report_ccb_state(struct AdapterControlBlock *acb,
 }
 
 static void arcmsr_drain_donequeue(struct AdapterControlBlock *acb, struct CommandControlBlock *pCCB, bool error)
-
 {
         int id, lun;
         if ((pCCB->acb != acb) || (pCCB->startdone != ARCMSR_CCB_START)) {
@@ -948,7 +946,7 @@ static void arcmsr_drain_donequeue(struct AdapterControlBlock *acb, struct Comma
                                 , pCCB->startdone
                                 , atomic_read(&acb->ccboutstandingcount));
                   return;
-                }
+        }
         arcmsr_report_ccb_state(acb, pCCB, error);
 }
 
@@ -981,7 +979,7 @@ static void arcmsr_done4abort_postqueue(struct AdapterControlBlock *acb)
         case ACB_ADAPTER_TYPE_B: {
                 struct MessageUnit_B *reg = acb->pmuB;
                 /*clear all outbound posted Q*/
-                writel(ARCMSR_DOORBELL_INT_CLEAR_PATTERN, &reg->iop2drv_doorbell); /* clear doorbell interrupt */
+                writel(ARCMSR_DOORBELL_INT_CLEAR_PATTERN, reg->iop2drv_doorbell); /* clear doorbell interrupt */
                 for (i = 0; i < ARCMSR_MAX_HBB_POSTQUEUE; i++) {
                         if ((flag_ccb = readl(&reg->done_qbuffer[i])) != 0) {
                                 writel(0, &reg->done_qbuffer[i]);
@@ -1511,7 +1509,6 @@ static void arcmsr_hba_postqueue_isr(struct AdapterControlBlock *acb)
                 arcmsr_drain_donequeue(acb, pCCB, error);
         }
 }
-
 static void arcmsr_hbb_postqueue_isr(struct AdapterControlBlock *acb)
 {
         uint32_t index;
@@ -2106,10 +2103,6 @@ static int arcmsr_queue_command_lck(struct scsi_cmnd *cmd,
         if (atomic_read(&acb->ccboutstandingcount) >=
                         ARCMSR_MAX_OUTSTANDING_CMD)
                 return SCSI_MLQUEUE_HOST_BUSY;
-        if ((scsicmd == SCSI_CMD_ARECA_SPECIFIC)) {
-                printk(KERN_NOTICE "Receiveing SCSI_CMD_ARECA_SPECIFIC command..\n");
-                return 0;
-        }
         ccb = arcmsr_get_freeccb(acb);
         if (!ccb)
                 return SCSI_MLQUEUE_HOST_BUSY;
@@ -2393,6 +2386,7 @@ static int arcmsr_polling_hbb_ccbdone(struct AdapterControlBlock *acb,
         int index, rtn;
         bool error;
         polling_hbb_ccb_retry:
+
         poll_count++;
         /* clear doorbell interrupt */
         writel(ARCMSR_DOORBELL_INT_CLEAR_PATTERN, reg->iop2drv_doorbell);
@@ -2663,6 +2657,7 @@ static void arcmsr_request_hba_device_map(struct AdapterControlBlock *acb)
 {
         struct MessageUnit_A __iomem *reg = acb->pmuA;
         if (unlikely(atomic_read(&acb->rq_map_token) == 0) || ((acb->acb_flags & ACB_F_BUS_RESET) != 0 ) || ((acb->acb_flags & ACB_F_ABORT) != 0 )){
+                mod_timer(&acb->eternal_timer, jiffies + msecs_to_jiffies(6 * HZ));
                 return;
         } else {
                 acb->fw_flag = FW_NORMAL;
@@ -2670,8 +2665,10 @@ static void arcmsr_request_hba_device_map(struct AdapterControlBlock *acb)
                         atomic_set(&acb->rq_map_token, 16);
                 }
                 atomic_set(&acb->ante_token_value, atomic_read(&acb->rq_map_token));
-                if (atomic_dec_and_test(&acb->rq_map_token))
+                if (atomic_dec_and_test(&acb->rq_map_token)) {
+                        mod_timer(&acb->eternal_timer, jiffies + msecs_to_jiffies(6 * HZ));
                         return;
+                }
                 writel(ARCMSR_INBOUND_MESG0_GET_CONFIG, &reg->inbound_msgaddr0);
                 mod_timer(&acb->eternal_timer, jiffies + msecs_to_jiffies(6 * HZ));
         }
@@ -2682,15 +2679,18 @@ static void arcmsr_request_hbb_device_map(struct AdapterControlBlock *acb)
 {
         struct MessageUnit_B __iomem *reg = acb->pmuB;
         if (unlikely(atomic_read(&acb->rq_map_token) == 0) || ((acb->acb_flags & ACB_F_BUS_RESET) != 0 ) || ((acb->acb_flags & ACB_F_ABORT) != 0 )){
+                mod_timer(&acb->eternal_timer, jiffies + msecs_to_jiffies(6 * HZ));
                 return;
         } else {
                 acb->fw_flag = FW_NORMAL;
                 if (atomic_read(&acb->ante_token_value) == atomic_read(&acb->rq_map_token)) {
-                        atomic_set(&acb->rq_map_token,16);
+                        atomic_set(&acb->rq_map_token, 16);
                 }
                 atomic_set(&acb->ante_token_value, atomic_read(&acb->rq_map_token));
-                if(atomic_dec_and_test(&acb->rq_map_token))
+                if (atomic_dec_and_test(&acb->rq_map_token)) {
+                        mod_timer(&acb->eternal_timer, jiffies + msecs_to_jiffies(6 * HZ));
                         return;
+                }
                 writel(ARCMSR_MESSAGE_GET_CONFIG, reg->drv2iop_doorbell);
                 mod_timer(&acb->eternal_timer, jiffies + msecs_to_jiffies(6 * HZ));
         }
@@ -2701,6 +2701,7 @@ static void arcmsr_request_hbc_device_map(struct AdapterControlBlock *acb)
 {
         struct MessageUnit_C __iomem *reg = acb->pmuC;
         if (unlikely(atomic_read(&acb->rq_map_token) == 0) || ((acb->acb_flags & ACB_F_BUS_RESET) != 0) || ((acb->acb_flags & ACB_F_ABORT) != 0)) {
+                mod_timer(&acb->eternal_timer, jiffies + msecs_to_jiffies(6 * HZ));
                 return;
         } else {
                 acb->fw_flag = FW_NORMAL;
@@ -2708,8 +2709,10 @@ static void arcmsr_request_hbc_device_map(struct AdapterControlBlock *acb)
                         atomic_set(&acb->rq_map_token, 16);
                 }
                 atomic_set(&acb->ante_token_value, atomic_read(&acb->rq_map_token));
-                if (atomic_dec_and_test(&acb->rq_map_token))
+                if (atomic_dec_and_test(&acb->rq_map_token)) {
+                        mod_timer(&acb->eternal_timer, jiffies + msecs_to_jiffies(6 * HZ));
                         return;
+                }
                 writel(ARCMSR_INBOUND_MESG0_GET_CONFIG, &reg->inbound_msgaddr0);
                 writel(ARCMSR_HBCMU_DRV2IOP_MESSAGE_CMD_DONE, &reg->inbound_doorbell);
                 mod_timer(&acb->eternal_timer, jiffies + msecs_to_jiffies(6 * HZ));
@@ -2897,6 +2900,8 @@ static uint8_t arcmsr_iop_reset(struct AdapterControlBlock *acb)
         uint32_t intmask_org;
         uint8_t rtnval = 0x00;
         int i = 0;
+        unsigned long flags;
+
         if (atomic_read(&acb->ccboutstandingcount) != 0) {
                 /* disable all outbound interrupt */
                 intmask_org = arcmsr_disable_outbound_ints(acb);
@@ -2907,7 +2912,12 @@ static uint8_t arcmsr_iop_reset(struct AdapterControlBlock *acb)
                 for (i = 0; i < ARCMSR_MAX_FREECCB_NUM; i++) {
                         ccb = acb->pccb_pool[i];
                         if (ccb->startdone == ARCMSR_CCB_START) {
-                                arcmsr_ccb_complete(ccb);
+                                scsi_dma_unmap(ccb->pcmd);
+                                ccb->startdone = ARCMSR_CCB_DONE;
+                                ccb->ccb_flags = 0;
+                                spin_lock_irqsave(&acb->ccblist_lock, flags);
+                                list_add_tail(&ccb->list, &acb->ccb_free_list);
+                                spin_unlock_irqrestore(&acb->ccblist_lock, flags);
                         }
                 }
                 atomic_set(&acb->ccboutstandingcount, 0);
@@ -2920,8 +2930,7 @@ static uint8_t arcmsr_iop_reset(struct AdapterControlBlock *acb)
 
 static int arcmsr_bus_reset(struct scsi_cmnd *cmd)
 {
-        struct AdapterControlBlock *acb =
-                (struct AdapterControlBlock *)cmd->device->host->hostdata;
+        struct AdapterControlBlock *acb;
         uint32_t intmask_org, outbound_doorbell;
         int retry_count = 0;
         int rtn = FAILED;
@@ -2971,31 +2980,16 @@ sleep_again:
                                 atomic_set(&acb->rq_map_token, 16);
                                 atomic_set(&acb->ante_token_value, 16);
                                 acb->fw_flag = FW_NORMAL;
-                                init_timer(&acb->eternal_timer);
-                                acb->eternal_timer.expires = jiffies + msecs_to_jiffies(6*HZ);
-                                acb->eternal_timer.data = (unsigned long) acb;
-                                acb->eternal_timer.function = &arcmsr_request_device_map;
-                                add_timer(&acb->eternal_timer);
+                                mod_timer(&acb->eternal_timer, jiffies + msecs_to_jiffies(6 * HZ));
                                 acb->acb_flags &= ~ACB_F_BUS_RESET;
                                 rtn = SUCCESS;
                                 printk(KERN_ERR "arcmsr: scsi  bus reset eh returns with success\n");
                         } else {
                                 acb->acb_flags &= ~ACB_F_BUS_RESET;
-                                if (atomic_read(&acb->rq_map_token) == 0) {
-                                        atomic_set(&acb->rq_map_token, 16);
-                                        atomic_set(&acb->ante_token_value, 16);
-                                        acb->fw_flag = FW_NORMAL;
-                                        init_timer(&acb->eternal_timer);
-                                                acb->eternal_timer.expires = jiffies + msecs_to_jiffies(6*HZ);
-                                        acb->eternal_timer.data = (unsigned long) acb;
-                                        acb->eternal_timer.function = &arcmsr_request_device_map;
-                                        add_timer(&acb->eternal_timer);
-                                } else {
-                                        atomic_set(&acb->rq_map_token, 16);
-                                        atomic_set(&acb->ante_token_value, 16);
-                                        acb->fw_flag = FW_NORMAL;
-                                        mod_timer(&acb->eternal_timer, jiffies + msecs_to_jiffies(6*HZ));
-                                }
+                                atomic_set(&acb->rq_map_token, 16);
+                                atomic_set(&acb->ante_token_value, 16);
+                                acb->fw_flag = FW_NORMAL;
+                                mod_timer(&acb->eternal_timer, jiffies + msecs_to_jiffies(6*HZ));
                                 rtn = SUCCESS;
                         }
                         break;
@@ -3007,21 +3001,10 @@ sleep_again:
                                 rtn = FAILED;
                         } else {
                                 acb->acb_flags &= ~ACB_F_BUS_RESET;
-                                if (atomic_read(&acb->rq_map_token) == 0) {
-                                        atomic_set(&acb->rq_map_token, 16);
-                                        atomic_set(&acb->ante_token_value, 16);
-                                        acb->fw_flag = FW_NORMAL;
-                                        init_timer(&acb->eternal_timer);
-                                                acb->eternal_timer.expires = jiffies + msecs_to_jiffies(6*HZ);
-                                        acb->eternal_timer.data = (unsigned long) acb;
-                                        acb->eternal_timer.function = &arcmsr_request_device_map;
-                                        add_timer(&acb->eternal_timer);
-                                } else {
-                                        atomic_set(&acb->rq_map_token, 16);
-                                        atomic_set(&acb->ante_token_value, 16);
-                                        acb->fw_flag = FW_NORMAL;
-                                        mod_timer(&acb->eternal_timer, jiffies + msecs_to_jiffies(6*HZ));
-                                }
+                                atomic_set(&acb->rq_map_token, 16);
+                                atomic_set(&acb->ante_token_value, 16);
+                                acb->fw_flag = FW_NORMAL;
+                                mod_timer(&acb->eternal_timer, jiffies + msecs_to_jiffies(6 * HZ));
                                 rtn = SUCCESS;
                         }
                         break;
@@ -3067,31 +3050,16 @@ sleep:
                                 atomic_set(&acb->rq_map_token, 16);
                                 atomic_set(&acb->ante_token_value, 16);
                                 acb->fw_flag = FW_NORMAL;
-                                init_timer(&acb->eternal_timer);
-                                acb->eternal_timer.expires = jiffies + msecs_to_jiffies(6 * HZ);
-                                acb->eternal_timer.data = (unsigned long) acb;
-                                acb->eternal_timer.function = &arcmsr_request_device_map;
-                                add_timer(&acb->eternal_timer);
+                                mod_timer(&acb->eternal_timer, jiffies + msecs_to_jiffies(6 * HZ));
                                 acb->acb_flags &= ~ACB_F_BUS_RESET;
                                 rtn = SUCCESS;
                                 printk(KERN_ERR "arcmsr: scsi bus reset eh returns with success\n");
                         } else {
                                 acb->acb_flags &= ~ACB_F_BUS_RESET;
-                                if (atomic_read(&acb->rq_map_token) == 0) {
-                                        atomic_set(&acb->rq_map_token, 16);
-                                        atomic_set(&acb->ante_token_value, 16);
-                                        acb->fw_flag = FW_NORMAL;
-                                        init_timer(&acb->eternal_timer);
-                                                acb->eternal_timer.expires = jiffies + msecs_to_jiffies(6*HZ);
-                                        acb->eternal_timer.data = (unsigned long) acb;
-                                        acb->eternal_timer.function = &arcmsr_request_device_map;
-                                        add_timer(&acb->eternal_timer);
-                                } else {
-                                        atomic_set(&acb->rq_map_token, 16);
-                                        atomic_set(&acb->ante_token_value, 16);
-                                        acb->fw_flag = FW_NORMAL;
-                                        mod_timer(&acb->eternal_timer, jiffies + msecs_to_jiffies(6*HZ));
-                                }
+                                atomic_set(&acb->rq_map_token, 16);
+                                atomic_set(&acb->ante_token_value, 16);
+                                acb->fw_flag = FW_NORMAL;
+                                mod_timer(&acb->eternal_timer, jiffies + msecs_to_jiffies(6*HZ));
                                 rtn = SUCCESS;
                         }
                         break;
diff --git a/drivers/scsi/libsas/sas_scsi_host.c b/drivers/scsi/libsas/sas_scsi_host.c
index 5815cbeb27a6..9a7aaf5f1311 100644
--- a/drivers/scsi/libsas/sas_scsi_host.c
+++ b/drivers/scsi/libsas/sas_scsi_host.c
@@ -646,6 +646,7 @@ void sas_scsi_recover_host(struct Scsi_Host *shost)
 
         spin_lock_irqsave(shost->host_lock, flags);
         list_splice_init(&shost->eh_cmd_q, &eh_work_q);
+        shost->host_eh_scheduled = 0;
         spin_unlock_irqrestore(shost->host_lock, flags);
 
         SAS_DPRINTK("Enter %s\n", __func__);
diff --git a/drivers/scsi/mpt2sas/mpt2sas_base.c b/drivers/scsi/mpt2sas/mpt2sas_base.c
index b2a817055b8b..9ead0399808a 100644
--- a/drivers/scsi/mpt2sas/mpt2sas_base.c
+++ b/drivers/scsi/mpt2sas/mpt2sas_base.c
@@ -2176,9 +2176,9 @@ _base_allocate_memory_pools(struct MPT2SAS_ADAPTER *ioc,  int sleep_flag)
                 /* adjust hba_queue_depth, reply_free_queue_depth,
                  * and queue_size
                  */
-                ioc->hba_queue_depth -= queue_diff;
-                ioc->reply_free_queue_depth -= queue_diff;
-                queue_size -= queue_diff;
+                ioc->hba_queue_depth -= (queue_diff / 2);
+                ioc->reply_free_queue_depth -= (queue_diff / 2);
+                queue_size = facts->MaxReplyDescriptorPostQueueDepth;
         }
         ioc->reply_post_queue_depth = queue_size;
 
@@ -3941,6 +3941,8 @@ mpt2sas_base_detach(struct MPT2SAS_ADAPTER *ioc)
 static void
 _base_reset_handler(struct MPT2SAS_ADAPTER *ioc, int reset_phase)
 {
+        mpt2sas_scsih_reset_handler(ioc, reset_phase);
+        mpt2sas_ctl_reset_handler(ioc, reset_phase);
         switch (reset_phase) {
         case MPT2_IOC_PRE_RESET:
                 dtmprintk(ioc, printk(MPT2SAS_INFO_FMT "%s: "
@@ -3971,8 +3973,6 @@ _base_reset_handler(struct MPT2SAS_ADAPTER *ioc, int reset_phase)
                     "MPT2_IOC_DONE_RESET\n", ioc->name, __func__));
                 break;
         }
-        mpt2sas_scsih_reset_handler(ioc, reset_phase);
-        mpt2sas_ctl_reset_handler(ioc, reset_phase);
 }
 
 /**
@@ -4026,6 +4026,7 @@ mpt2sas_base_hard_reset_handler(struct MPT2SAS_ADAPTER *ioc, int sleep_flag,
 {
         int r;
         unsigned long flags;
+        u8 pe_complete = ioc->wait_for_port_enable_to_complete;
 
         dtmprintk(ioc, printk(MPT2SAS_INFO_FMT "%s: enter\n", ioc->name,
             __func__));
@@ -4068,6 +4069,14 @@ mpt2sas_base_hard_reset_handler(struct MPT2SAS_ADAPTER *ioc, int sleep_flag,
         if (r)
                 goto out;
         _base_reset_handler(ioc, MPT2_IOC_AFTER_RESET);
+
+        /* If this hard reset is called while port enable is active, then
+         * there is no reason to call make_ioc_operational
+         */
+        if (pe_complete) {
+                r = -EFAULT;
+                goto out;
+        }
         r = _base_make_ioc_operational(ioc, sleep_flag);
         if (!r)
                 _base_reset_handler(ioc, MPT2_IOC_DONE_RESET);
diff --git a/drivers/scsi/mpt2sas/mpt2sas_scsih.c b/drivers/scsi/mpt2sas/mpt2sas_scsih.c
index eda347c57979..5ded3db6e316 100644
--- a/drivers/scsi/mpt2sas/mpt2sas_scsih.c
+++ b/drivers/scsi/mpt2sas/mpt2sas_scsih.c
@@ -819,7 +819,7 @@ _scsih_is_end_device(u32 device_info)
 }
 
 /**
- * mptscsih_get_scsi_lookup - returns scmd entry
+ * _scsih_scsi_lookup_get - returns scmd entry
  * @ioc: per adapter object
  * @smid: system request message index
  *
@@ -832,6 +832,28 @@ _scsih_scsi_lookup_get(struct MPT2SAS_ADAPTER *ioc, u16 smid)
 }
 
 /**
+ * _scsih_scsi_lookup_get_clear - returns scmd entry
+ * @ioc: per adapter object
+ * @smid: system request message index
+ *
+ * Returns the smid stored scmd pointer.
+ * Then will derefrence the stored scmd pointer.
+ */
+static inline struct scsi_cmnd *
+_scsih_scsi_lookup_get_clear(struct MPT2SAS_ADAPTER *ioc, u16 smid)
+{
+        unsigned long flags;
+        struct scsi_cmnd *scmd;
+
+        spin_lock_irqsave(&ioc->scsi_lookup_lock, flags);
+        scmd = ioc->scsi_lookup[smid - 1].scmd;
+        ioc->scsi_lookup[smid - 1].scmd = NULL;
+        spin_unlock_irqrestore(&ioc->scsi_lookup_lock, flags);
+
+        return scmd;
+}
+
+/**
  * _scsih_scsi_lookup_find_by_scmd - scmd lookup
  * @ioc: per adapter object
  * @smid: system request message index
@@ -2981,9 +3003,6 @@ _scsih_check_topo_delete_events(struct MPT2SAS_ADAPTER *ioc,
         u16 handle;
 
         for (i = 0 ; i < event_data->NumEntries; i++) {
-                if (event_data->PHY[i].PhyStatus &
-                    MPI2_EVENT_SAS_TOPO_PHYSTATUS_VACANT)
-                        continue;
                 handle = le16_to_cpu(event_data->PHY[i].AttachedDevHandle);
                 if (!handle)
                         continue;
@@ -3210,7 +3229,7 @@ _scsih_flush_running_cmds(struct MPT2SAS_ADAPTER *ioc)
         u16 count = 0;
 
         for (smid = 1; smid <= ioc->scsiio_depth; smid++) {
-                scmd = _scsih_scsi_lookup_get(ioc, smid);
+                scmd = _scsih_scsi_lookup_get_clear(ioc, smid);
                 if (!scmd)
                         continue;
                 count++;
@@ -3804,7 +3823,7 @@ _scsih_io_done(struct MPT2SAS_ADAPTER *ioc, u16 smid, u8 msix_index, u32 reply)
         u32 response_code = 0;
 
         mpi_reply = mpt2sas_base_get_reply_virt_addr(ioc, reply);
-        scmd = _scsih_scsi_lookup_get(ioc, smid);
+        scmd = _scsih_scsi_lookup_get_clear(ioc, smid);
         if (scmd == NULL)
                 return 1;
 
@@ -5005,6 +5024,12 @@ _scsih_sas_device_status_change_event(struct MPT2SAS_ADAPTER *ioc,
                      event_data);
 #endif
 
+        /* In MPI Revision K (0xC), the internal device reset complete was
+         * implemented, so avoid setting tm_busy flag for older firmware.
+         */
+        if ((ioc->facts.HeaderVersion >> 8) < 0xC)
+                return;
+
         if (event_data->ReasonCode !=
             MPI2_EVENT_SAS_DEV_STAT_RC_INTERNAL_DEVICE_RESET &&
            event_data->ReasonCode !=
@@ -5099,6 +5124,7 @@ _scsih_sas_broadcast_primative_event(struct MPT2SAS_ADAPTER *ioc,
     struct fw_event_work *fw_event)
 {
         struct scsi_cmnd *scmd;
+        struct scsi_device *sdev;
         u16 smid, handle;
         u32 lun;
         struct MPT2SAS_DEVICE *sas_device_priv_data;
@@ -5109,12 +5135,17 @@ _scsih_sas_broadcast_primative_event(struct MPT2SAS_ADAPTER *ioc,
         Mpi2EventDataSasBroadcastPrimitive_t *event_data = fw_event->event_data;
 #endif
         u16 ioc_status;
+        unsigned long flags;
+        int r;
+
         dewtprintk(ioc, printk(MPT2SAS_INFO_FMT "broadcast primative: "
             "phy number(%d), width(%d)\n", ioc->name, event_data->PhyNum,
             event_data->PortWidth));
         dtmprintk(ioc, printk(MPT2SAS_INFO_FMT "%s: enter\n", ioc->name,
             __func__));
 
+        spin_lock_irqsave(&ioc->scsi_lookup_lock, flags);
+        ioc->broadcast_aen_busy = 0;
         termination_count = 0;
         query_count = 0;
         mpi_reply = ioc->tm_cmds.reply;
@@ -5122,7 +5153,8 @@ _scsih_sas_broadcast_primative_event(struct MPT2SAS_ADAPTER *ioc,
                 scmd = _scsih_scsi_lookup_get(ioc, smid);
                 if (!scmd)
                         continue;
-                sas_device_priv_data = scmd->device->hostdata;
+                sdev = scmd->device;
+                sas_device_priv_data = sdev->hostdata;
                 if (!sas_device_priv_data || !sas_device_priv_data->sas_target)
                         continue;
                  /* skip hidden raid components */
@@ -5138,6 +5170,7 @@ _scsih_sas_broadcast_primative_event(struct MPT2SAS_ADAPTER *ioc,
                 lun = sas_device_priv_data->lun;
                 query_count++;
 
+                spin_unlock_irqrestore(&ioc->scsi_lookup_lock, flags);
                 mpt2sas_scsih_issue_tm(ioc, handle, 0, 0, lun,
                     MPI2_SCSITASKMGMT_TASKTYPE_QUERY_TASK, smid, 30, NULL);
                 ioc->tm_cmds.status = MPT2_CMD_NOT_USED;
@@ -5147,14 +5180,20 @@ _scsih_sas_broadcast_primative_event(struct MPT2SAS_ADAPTER *ioc,
                     (mpi_reply->ResponseCode ==
                      MPI2_SCSITASKMGMT_RSP_TM_SUCCEEDED ||
                      mpi_reply->ResponseCode ==
-                     MPI2_SCSITASKMGMT_RSP_IO_QUEUED_ON_IOC))
+                     MPI2_SCSITASKMGMT_RSP_IO_QUEUED_ON_IOC)) {
+                        spin_lock_irqsave(&ioc->scsi_lookup_lock, flags);
                         continue;
-
-                mpt2sas_scsih_issue_tm(ioc, handle, 0, 0, lun,
-                    MPI2_SCSITASKMGMT_TASKTYPE_ABRT_TASK_SET, 0, 30, NULL);
+                }
+                r = mpt2sas_scsih_issue_tm(ioc, handle, sdev->channel, sdev->id,
+                    sdev->lun, MPI2_SCSITASKMGMT_TASKTYPE_ABORT_TASK, smid, 30,
+                    scmd);
+                if (r == FAILED)
+                        sdev_printk(KERN_WARNING, sdev, "task abort: FAILED "
+                            "scmd(%p)\n", scmd);
                 termination_count += le32_to_cpu(mpi_reply->TerminationCount);
+                spin_lock_irqsave(&ioc->scsi_lookup_lock, flags);
         }
-        ioc->broadcast_aen_busy = 0;
+        spin_unlock_irqrestore(&ioc->scsi_lookup_lock, flags);
 
         dtmprintk(ioc, printk(MPT2SAS_INFO_FMT
             "%s - exit, query_count = %d termination_count = %d\n",
@@ -6626,6 +6665,7 @@ _scsih_remove(struct pci_dev *pdev)
                 destroy_workqueue(wq);
 
         /* release all the volumes */
+        _scsih_ir_shutdown(ioc);
         list_for_each_entry_safe(raid_device, next, &ioc->raid_device_list,
             list) {
                 if (raid_device->starget) {
diff --git a/drivers/staging/ath6kl/miscdrv/ar3kps/ar3kpsconfig.c b/drivers/staging/ath6kl/miscdrv/ar3kps/ar3kpsconfig.c
index 0e298dba9fc8..29b8ab44ea47 100644
--- a/drivers/staging/ath6kl/miscdrv/ar3kps/ar3kpsconfig.c
+++ b/drivers/staging/ath6kl/miscdrv/ar3kps/ar3kpsconfig.c
@@ -360,8 +360,8 @@ int PSSendOps(void *arg)
                 status = 1;
                 goto complete;
         }
-        len = (firmware->size > MAX_BDADDR_FORMAT_LENGTH)? MAX_BDADDR_FORMAT_LENGTH: firmware->size;
-        memcpy(config_bdaddr, firmware->data,len);
+        len = min(firmware->size, MAX_BDADDR_FORMAT_LENGTH - 1);
+        memcpy(config_bdaddr, firmware->data, len);
         config_bdaddr[len] = '\0';
         write_bdaddr(hdev,config_bdaddr,BDADDR_TYPE_STRING);
         A_RELEASE_FIRMWARE(firmware);
diff --git a/drivers/staging/brcm80211/sys/wl_mac80211.c b/drivers/staging/brcm80211/sys/wl_mac80211.c
index bdd629d72a75..f1235884cc5d 100644
--- a/drivers/staging/brcm80211/sys/wl_mac80211.c
+++ b/drivers/staging/brcm80211/sys/wl_mac80211.c
@@ -209,11 +209,8 @@ static void wl_ops_stop(struct ieee80211_hw *hw)
         struct wl_info *wl = hw->priv;
         ASSERT(wl);
         WL_LOCK(wl);
-        wl_down(wl);
         ieee80211_stop_queues(hw);
         WL_UNLOCK(wl);
-
-        return;
 }
 
 static int
@@ -246,7 +243,14 @@ wl_ops_add_interface(struct ieee80211_hw *hw, struct ieee80211_vif *vif)
 static void
 wl_ops_remove_interface(struct ieee80211_hw *hw, struct ieee80211_vif *vif)
 {
-        return;
+        struct wl_info *wl;
+
+        wl = HW_TO_WL(hw);
+
+        /* put driver in down state */
+        WL_LOCK(wl);
+        wl_down(wl);
+        WL_UNLOCK(wl);
 }
 
 static int
@@ -779,7 +783,7 @@ static struct wl_info *wl_attach(u16 vendor, u16 device, unsigned long regs,
         wl_found++;
         return wl;
 
- fail:
+fail:
         wl_free(wl);
 fail1:
         return NULL;
@@ -1090,7 +1094,6 @@ wl_pci_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
         return 0;
 }
 
-#ifdef LINUXSTA_PS
 static int wl_suspend(struct pci_dev *pdev, pm_message_t state)
 {
         struct wl_info *wl;
@@ -1105,11 +1108,12 @@ static int wl_suspend(struct pci_dev *pdev, pm_message_t state)
                 return -ENODEV;
         }
 
+        /* only need to flag hw is down for proper resume */
         WL_LOCK(wl);
-        wl_down(wl);
         wl->pub->hw_up = false;
         WL_UNLOCK(wl);
-        pci_save_state(pdev, wl->pci_psstate);
+
+        pci_save_state(pdev);
         pci_disable_device(pdev);
         return pci_set_power_state(pdev, PCI_D3hot);
 }
@@ -1133,7 +1137,7 @@ static int wl_resume(struct pci_dev *pdev)
         if (err)
                 return err;
 
-        pci_restore_state(pdev, wl->pci_psstate);
+        pci_restore_state(pdev);
 
         err = pci_enable_device(pdev);
         if (err)
@@ -1145,13 +1149,12 @@ static int wl_resume(struct pci_dev *pdev)
         if ((val & 0x0000ff00) != 0)
                 pci_write_config_dword(pdev, 0x40, val & 0xffff00ff);
 
-        WL_LOCK(wl);
-        err = wl_up(wl);
-        WL_UNLOCK(wl);
-
+        /*
+        *  done. driver will be put in up state
+        *  in wl_ops_add_interface() call.
+        */
         return err;
 }
-#endif                          /* LINUXSTA_PS */
 
 static void wl_remove(struct pci_dev *pdev)
 {
@@ -1184,14 +1187,12 @@ static void wl_remove(struct pci_dev *pdev)
 }
 
 static struct pci_driver wl_pci_driver = {
- .name  = "brcm80211",
- .probe = wl_pci_probe,
-#ifdef LINUXSTA_PS
- .suspend = wl_suspend,
- .resume  = wl_resume,
-#endif                          /* LINUXSTA_PS */
- .remove   = __devexit_p(wl_remove),
- .id_table = wl_id_table,
+        .name = "brcm80211",
+        .probe = wl_pci_probe,
+        .suspend = wl_suspend,
+        .resume = wl_resume,
+        .remove = __devexit_p(wl_remove),
+        .id_table = wl_id_table,
 };
 
 /**
diff --git a/drivers/staging/brcm80211/sys/wlc_mac80211.c b/drivers/staging/brcm80211/sys/wlc_mac80211.c
index 1d5d01ac0a9b..a1303863686c 100644
--- a/drivers/staging/brcm80211/sys/wlc_mac80211.c
+++ b/drivers/staging/brcm80211/sys/wlc_mac80211.c
@@ -5126,7 +5126,6 @@ wlc_sendpkt_mac80211(struct wlc_info *wlc, struct sk_buff *sdu,
         fifo = prio2fifo[prio];
 
         ASSERT((uint) skb_headroom(sdu) >= TXOFF);
-        ASSERT(!(sdu->cloned));
         ASSERT(!(sdu->next));
         ASSERT(!(sdu->prev));
         ASSERT(fifo < NFIFO);
diff --git a/drivers/staging/comedi/drivers/ni_labpc.c b/drivers/staging/comedi/drivers/ni_labpc.c
index 4d1868d04bac..0728c3c0cb0e 100644
--- a/drivers/staging/comedi/drivers/ni_labpc.c
+++ b/drivers/staging/comedi/drivers/ni_labpc.c
@@ -575,7 +575,8 @@ int labpc_common_attach(struct comedi_device *dev, unsigned long iobase,
         /* grab our IRQ */
         if (irq) {
                 isr_flags = 0;
-                if (thisboard->bustype == pci_bustype)
+                if (thisboard->bustype == pci_bustype
+                    || thisboard->bustype == pcmcia_bustype)
                         isr_flags |= IRQF_SHARED;
                 if (request_irq(irq, labpc_interrupt, isr_flags,
                                 driver_labpc.driver_name, dev)) {
diff --git a/drivers/staging/hv/blkvsc_drv.c b/drivers/staging/hv/blkvsc_drv.c
index b3d05fcfe6d2..4fb809485d9e 100644
--- a/drivers/staging/hv/blkvsc_drv.c
+++ b/drivers/staging/hv/blkvsc_drv.c
@@ -368,6 +368,7 @@ static int blkvsc_probe(struct device *device)
                 blkdev->gd->first_minor = 0;
         blkdev->gd->fops = &block_ops;
         blkdev->gd->private_data = blkdev;
+        blkdev->gd->driverfs_dev = &(blkdev->device_ctx->device);
         sprintf(blkdev->gd->disk_name, "hd%c", 'a' + devnum);
 
         blkvsc_do_inquiry(blkdev);
diff --git a/drivers/staging/hv/netvsc.c b/drivers/staging/hv/netvsc.c
index df9cd131e953..0edbe7483a4c 100644
--- a/drivers/staging/hv/netvsc.c
+++ b/drivers/staging/hv/netvsc.c
@@ -1279,7 +1279,7 @@ static void netvsc_channel_cb(void *context)
         /* ASSERT(device); */
 
         packet = kzalloc(NETVSC_PACKET_SIZE * sizeof(unsigned char),
-                         GFP_KERNEL);
+                         GFP_ATOMIC);
         if (!packet)
                 return;
         buffer = packet;
diff --git a/drivers/staging/hv/netvsc_drv.c b/drivers/staging/hv/netvsc_drv.c
index 0147b407512c..54706a16dc0a 100644
--- a/drivers/staging/hv/netvsc_drv.c
+++ b/drivers/staging/hv/netvsc_drv.c
@@ -358,7 +358,6 @@ static int netvsc_probe(struct device *device)
 
         /* Set initial state */
         netif_carrier_off(net);
-        netif_stop_queue(net);
 
         net_device_ctx = netdev_priv(net);
         net_device_ctx->device_ctx = device_ctx;
diff --git a/drivers/staging/iio/adc/ad7476_core.c b/drivers/staging/iio/adc/ad7476_core.c
index deb68c8a6e18..b8b54da67c63 100644
--- a/drivers/staging/iio/adc/ad7476_core.c
+++ b/drivers/staging/iio/adc/ad7476_core.c
@@ -68,7 +68,7 @@ static ssize_t ad7476_show_scale(struct device *dev,
         /* Corresponds to Vref / 2^(bits) */
         unsigned int scale_uv = (st->int_vref_mv * 1000) >> st->chip_info->bits;
 
-        return sprintf(buf, "%d.%d\n", scale_uv / 1000, scale_uv % 1000);
+        return sprintf(buf, "%d.%03d\n", scale_uv / 1000, scale_uv % 1000);
 }
 static IIO_DEVICE_ATTR(in_scale, S_IRUGO, ad7476_show_scale, NULL, 0);
 
diff --git a/drivers/staging/iio/adc/ad7887_core.c b/drivers/staging/iio/adc/ad7887_core.c
index 685908995d49..5d85efab658c 100644
--- a/drivers/staging/iio/adc/ad7887_core.c
+++ b/drivers/staging/iio/adc/ad7887_core.c
@@ -68,7 +68,7 @@ static ssize_t ad7887_show_scale(struct device *dev,
         /* Corresponds to Vref / 2^(bits) */
         unsigned int scale_uv = (st->int_vref_mv * 1000) >> st->chip_info->bits;
 
-        return sprintf(buf, "%d.%d\n", scale_uv / 1000, scale_uv % 1000);
+        return sprintf(buf, "%d.%03d\n", scale_uv / 1000, scale_uv % 1000);
 }
 static IIO_DEVICE_ATTR(in_scale, S_IRUGO, ad7887_show_scale, NULL, 0);
 
diff --git a/drivers/staging/iio/adc/ad799x_core.c b/drivers/staging/iio/adc/ad799x_core.c
index 6309d521a864..89ccf375a188 100644
--- a/drivers/staging/iio/adc/ad799x_core.c
+++ b/drivers/staging/iio/adc/ad799x_core.c
@@ -432,7 +432,7 @@ static ssize_t ad799x_show_scale(struct device *dev,
         /* Corresponds to Vref / 2^(bits) */
         unsigned int scale_uv = (st->int_vref_mv * 1000) >> st->chip_info->bits;
 
-        return sprintf(buf, "%d.%d\n", scale_uv / 1000, scale_uv % 1000);
+        return sprintf(buf, "%d.%03d\n", scale_uv / 1000, scale_uv % 1000);
 }
 
 static IIO_DEVICE_ATTR(in_scale, S_IRUGO, ad799x_show_scale, NULL, 0);
diff --git a/drivers/staging/iio/dac/ad5446.c b/drivers/staging/iio/dac/ad5446.c
index e3387cd31145..0f87ecac82fc 100644
--- a/drivers/staging/iio/dac/ad5446.c
+++ b/drivers/staging/iio/dac/ad5446.c
@@ -87,7 +87,7 @@ static ssize_t ad5446_show_scale(struct device *dev,
         /* Corresponds to Vref / 2^(bits) */
         unsigned int scale_uv = (st->vref_mv * 1000) >> st->chip_info->bits;
 
-        return sprintf(buf, "%d.%d\n", scale_uv / 1000, scale_uv % 1000);
+        return sprintf(buf, "%d.%03d\n", scale_uv / 1000, scale_uv % 1000);
 }
 static IIO_DEVICE_ATTR(out_scale, S_IRUGO, ad5446_show_scale, NULL, 0);
 
diff --git a/drivers/staging/lirc/lirc_zilog.c b/drivers/staging/lirc/lirc_zilog.c
index 3fe5f4160194..0aad0d7a74a3 100644
--- a/drivers/staging/lirc/lirc_zilog.c
+++ b/drivers/staging/lirc/lirc_zilog.c
@@ -495,7 +495,7 @@ static int send_data_block(struct IR_tx *tx, unsigned char *data_block)
 /* send boot data to the IR TX device */
 static int send_boot_data(struct IR_tx *tx)
 {
-        int ret;
+        int ret, i;
         unsigned char buf[4];
 
         /* send the boot block */
@@ -503,7 +503,7 @@ static int send_boot_data(struct IR_tx *tx)
         if (ret != 0)
                 return ret;
 
-        /* kick it off? */
+        /* Hit the go button to activate the new boot data */
         buf[0] = 0x00;
         buf[1] = 0x20;
         ret = i2c_master_send(tx->c, buf, 2);
@@ -511,7 +511,19 @@ static int send_boot_data(struct IR_tx *tx)
                 zilog_error("i2c_master_send failed with %d\n", ret);
                 return ret < 0 ? ret : -EFAULT;
         }
-        ret = i2c_master_send(tx->c, buf, 1);
+
+        /*
+         * Wait for zilog to settle after hitting go post boot block upload.
+         * Without this delay, the HD-PVR and HVR-1950 both return an -EIO
+         * upon attempting to get firmware revision, and tx probe thus fails.
+         */
+        for (i = 0; i < 10; i++) {
+                ret = i2c_master_send(tx->c, buf, 1);
+                if (ret == 1)
+                        break;
+                udelay(100);
+        }
+
         if (ret != 1) {
                 zilog_error("i2c_master_send failed with %d\n", ret);
                 return ret < 0 ? ret : -EFAULT;
@@ -523,8 +535,8 @@ static int send_boot_data(struct IR_tx *tx)
                 zilog_error("i2c_master_recv failed with %d\n", ret);
                 return 0;
         }
-        if (buf[0] != 0x80) {
-                zilog_error("unexpected IR TX response: %02x\n", buf[0]);
+        if ((buf[0] != 0x80) && (buf[0] != 0xa0)) {
+                zilog_error("unexpected IR TX init response: %02x\n", buf[0]);
                 return 0;
         }
         zilog_notify("Zilog/Hauppauge IR blaster firmware version "
@@ -827,7 +839,15 @@ static int send_code(struct IR_tx *tx, unsigned int code, unsigned int key)
                 zilog_error("i2c_master_send failed with %d\n", ret);
                 return ret < 0 ? ret : -EFAULT;
         }
-        ret = i2c_master_send(tx->c, buf, 1);
+
+        /* Give the z8 a moment to process data block */
+        for (i = 0; i < 10; i++) {
+                ret = i2c_master_send(tx->c, buf, 1);
+                if (ret == 1)
+                        break;
+                udelay(100);
+        }
+
         if (ret != 1) {
                 zilog_error("i2c_master_send failed with %d\n", ret);
                 return ret < 0 ? ret : -EFAULT;
diff --git a/drivers/staging/rt2860/rt_main_dev.c b/drivers/staging/rt2860/rt_main_dev.c
index 701561d6b6fd..236dd36d349a 100644
--- a/drivers/staging/rt2860/rt_main_dev.c
+++ b/drivers/staging/rt2860/rt_main_dev.c
@@ -484,8 +484,6 @@ struct net_device *RtmpPhyNetDevInit(struct rt_rtmp_adapter *pAd,
         net_dev->ml_priv = (void *)pAd;
         pAd->net_dev = net_dev;
 
-        netif_stop_queue(net_dev);
-
         return net_dev;
 
 }
diff --git a/drivers/staging/rt2860/usb_main_dev.c b/drivers/staging/rt2860/usb_main_dev.c
index ee68d51caa4e..322bf49ee906 100644
--- a/drivers/staging/rt2860/usb_main_dev.c
+++ b/drivers/staging/rt2860/usb_main_dev.c
@@ -106,6 +106,7 @@ struct usb_device_id rtusb_usb_id[] = {
         {USB_DEVICE(0x0411, 0x016f)},   /* MelCo.,Inc. WLI-UC-G301N */
         {USB_DEVICE(0x1737, 0x0070)},   /* Linksys WUSB100 */
         {USB_DEVICE(0x1737, 0x0071)},   /* Linksys WUSB600N */
+        {USB_DEVICE(0x1737, 0x0078)},   /* Linksys WUSB100v2 */
         {USB_DEVICE(0x0411, 0x00e8)},   /* Buffalo WLI-UC-G300N */
         {USB_DEVICE(0x050d, 0x815c)},   /* Belkin F5D8053 */
         {USB_DEVICE(0x100D, 0x9031)},   /* Motorola 2770 */
diff --git a/drivers/staging/rtl8712/hal_init.c b/drivers/staging/rtl8712/hal_init.c
index 32088a641eba..84be383abec3 100644
--- a/drivers/staging/rtl8712/hal_init.c
+++ b/drivers/staging/rtl8712/hal_init.c
@@ -128,12 +128,13 @@ static u8 rtl8712_dl_fw(struct _adapter *padapter)
         u8 *ptmpchar = NULL, *ppayload, *ptr;
         struct tx_desc *ptx_desc;
         u32 txdscp_sz = sizeof(struct tx_desc);
+        u8 ret = _FAIL;
 
         ulfilelength = rtl871x_open_fw(padapter, &phfwfile_hdl, &pmappedfw);
         if (pmappedfw && (ulfilelength > 0)) {
                 update_fwhdr(&fwhdr, pmappedfw);
                 if (chk_fwhdr(&fwhdr, ulfilelength) == _FAIL)
-                        goto exit_fail;
+                        goto firmware_rel;
                 fill_fwpriv(padapter, &fwhdr.fwpriv);
                 /* firmware check ok */
                 maxlen = (fwhdr.img_IMEM_size > fwhdr.img_SRAM_size) ?
@@ -141,7 +142,7 @@ static u8 rtl8712_dl_fw(struct _adapter *padapter)
                 maxlen += txdscp_sz;
                 ptmpchar = _malloc(maxlen + FWBUFF_ALIGN_SZ);
                 if (ptmpchar == NULL)
-                        return _FAIL;
+                        goto firmware_rel;
 
                 ptx_desc = (struct tx_desc *)(ptmpchar + FWBUFF_ALIGN_SZ -
                             ((addr_t)(ptmpchar) & (FWBUFF_ALIGN_SZ - 1)));
@@ -273,11 +274,13 @@ static u8 rtl8712_dl_fw(struct _adapter *padapter)
                         goto exit_fail;
         } else
                 goto exit_fail;
-        return _SUCCESS;
+        ret = _SUCCESS;
 
 exit_fail:
         kfree(ptmpchar);
-        return _FAIL;
+firmware_rel:
+        release_firmware((struct firmware *)phfwfile_hdl);
+        return ret;
 }
 
 uint rtl8712_hal_init(struct _adapter *padapter)
diff --git a/drivers/staging/rtl8712/usb_intf.c b/drivers/staging/rtl8712/usb_intf.c
index a692ee88b9e9..21ce2af447b5 100644
--- a/drivers/staging/rtl8712/usb_intf.c
+++ b/drivers/staging/rtl8712/usb_intf.c
@@ -47,54 +47,123 @@ static int r871xu_drv_init(struct usb_interface *pusb_intf,
 static void r871xu_dev_remove(struct usb_interface *pusb_intf);
 
 static struct usb_device_id rtl871x_usb_id_tbl[] = {
-        /*92SU
-         * Realtek */
-        {USB_DEVICE(0x0bda, 0x8171)},
-        {USB_DEVICE(0x0bda, 0x8172)},
+
+/* RTL8188SU */
+        /* Realtek */
+        {USB_DEVICE(0x0BDA, 0x8171)},
         {USB_DEVICE(0x0bda, 0x8173)},
-        {USB_DEVICE(0x0bda, 0x8174)},
         {USB_DEVICE(0x0bda, 0x8712)},
         {USB_DEVICE(0x0bda, 0x8713)},
         {USB_DEVICE(0x0bda, 0xC512)},
-        /* Abocom  */
+        /* Abocom */
         {USB_DEVICE(0x07B8, 0x8188)},
+        /* ASUS */
+        {USB_DEVICE(0x0B05, 0x1786)},
+        {USB_DEVICE(0x0B05, 0x1791)}, /* 11n mode disable */
+        /* Belkin */
+        {USB_DEVICE(0x050D, 0x945A)},
         /* Corega */
-        {USB_DEVICE(0x07aa, 0x0047)},
-        /* Dlink */
-        {USB_DEVICE(0x07d1, 0x3303)},
-        {USB_DEVICE(0x07d1, 0x3302)},
-        {USB_DEVICE(0x07d1, 0x3300)},
-        /* Dlink for Skyworth */
-        {USB_DEVICE(0x14b2, 0x3300)},
-        {USB_DEVICE(0x14b2, 0x3301)},
-        {USB_DEVICE(0x14b2, 0x3302)},
+        {USB_DEVICE(0x07AA, 0x0047)},
+        /* D-Link */
+        {USB_DEVICE(0x2001, 0x3306)},
+        {USB_DEVICE(0x07D1, 0x3306)}, /* 11n mode disable */
+        /* Edimax */
+        {USB_DEVICE(0x7392, 0x7611)},
         /* EnGenius */
         {USB_DEVICE(0x1740, 0x9603)},
-        {USB_DEVICE(0x1740, 0x9605)},
+        /* Hawking */
+        {USB_DEVICE(0x0E66, 0x0016)},
+        /* Hercules */
+        {USB_DEVICE(0x06F8, 0xE034)},
+        {USB_DEVICE(0x06F8, 0xE032)},
+        /* Logitec */
+        {USB_DEVICE(0x0789, 0x0167)},
+        /* PCI */
+        {USB_DEVICE(0x2019, 0xAB28)},
+        {USB_DEVICE(0x2019, 0xED16)},
+        /* Sitecom */
+        {USB_DEVICE(0x0DF6, 0x0057)},
+        {USB_DEVICE(0x0DF6, 0x0045)},
+        {USB_DEVICE(0x0DF6, 0x0059)}, /* 11n mode disable */
+        {USB_DEVICE(0x0DF6, 0x004B)},
+        {USB_DEVICE(0x0DF6, 0x0063)},
+        /* Sweex */
+        {USB_DEVICE(0x177F, 0x0154)},
+        /* Thinkware */
+        {USB_DEVICE(0x0BDA, 0x5077)},
+        /* Toshiba */
+        {USB_DEVICE(0x1690, 0x0752)},
+        /* - */
+        {USB_DEVICE(0x20F4, 0x646B)},
+        {USB_DEVICE(0x083A, 0xC512)},
+
+/* RTL8191SU */
+        /* Realtek */
+        {USB_DEVICE(0x0BDA, 0x8172)},
+        /* Amigo */
+        {USB_DEVICE(0x0EB0, 0x9061)},
+        /* ASUS/EKB */
+        {USB_DEVICE(0x0BDA, 0x8172)},
+        {USB_DEVICE(0x13D3, 0x3323)},
+        {USB_DEVICE(0x13D3, 0x3311)}, /* 11n mode disable */
+        {USB_DEVICE(0x13D3, 0x3342)},
+        /* ASUS/EKBLenovo */
+        {USB_DEVICE(0x13D3, 0x3333)},
+        {USB_DEVICE(0x13D3, 0x3334)},
+        {USB_DEVICE(0x13D3, 0x3335)}, /* 11n mode disable */
+        {USB_DEVICE(0x13D3, 0x3336)}, /* 11n mode disable */
+        /* ASUS/Media BOX */
+        {USB_DEVICE(0x13D3, 0x3309)},
         /* Belkin */
-        {USB_DEVICE(0x050d, 0x815F)},
-        {USB_DEVICE(0x050d, 0x945A)},
-        {USB_DEVICE(0x050d, 0x845A)},
-        /* Guillemot */
-        {USB_DEVICE(0x06f8, 0xe031)},
+        {USB_DEVICE(0x050D, 0x815F)},
+        /* D-Link */
+        {USB_DEVICE(0x07D1, 0x3302)},
+        {USB_DEVICE(0x07D1, 0x3300)},
+        {USB_DEVICE(0x07D1, 0x3303)},
         /* Edimax */
-        {USB_DEVICE(0x7392, 0x7611)},
         {USB_DEVICE(0x7392, 0x7612)},
-        {USB_DEVICE(0x7392, 0x7622)},
-        /* Sitecom */
-        {USB_DEVICE(0x0DF6, 0x0045)},
+        /* EnGenius */
+        {USB_DEVICE(0x1740, 0x9605)},
+        /* Guillemot */
+        {USB_DEVICE(0x06F8, 0xE031)},
         /* Hawking */
         {USB_DEVICE(0x0E66, 0x0015)},
-        {USB_DEVICE(0x0E66, 0x0016)},
-        {USB_DEVICE(0x0b05, 0x1786)},
-        {USB_DEVICE(0x0b05, 0x1791)},    /* 11n mode disable */
-
+        /* Mediao */
         {USB_DEVICE(0x13D3, 0x3306)},
-        {USB_DEVICE(0x13D3, 0x3309)},
+        /* PCI */
+        {USB_DEVICE(0x2019, 0xED18)},
+        {USB_DEVICE(0x2019, 0x4901)},
+        /* Sitecom */
+        {USB_DEVICE(0x0DF6, 0x0058)},
+        {USB_DEVICE(0x0DF6, 0x0049)},
+        {USB_DEVICE(0x0DF6, 0x004C)},
+        {USB_DEVICE(0x0DF6, 0x0064)},
+        /* Skyworth */
+        {USB_DEVICE(0x14b2, 0x3300)},
+        {USB_DEVICE(0x14b2, 0x3301)},
+        {USB_DEVICE(0x14B2, 0x3302)},
+        /* - */
+        {USB_DEVICE(0x04F2, 0xAFF2)},
+        {USB_DEVICE(0x04F2, 0xAFF5)},
+        {USB_DEVICE(0x04F2, 0xAFF6)},
+        {USB_DEVICE(0x13D3, 0x3339)},
+        {USB_DEVICE(0x13D3, 0x3340)}, /* 11n mode disable */
+        {USB_DEVICE(0x13D3, 0x3341)}, /* 11n mode disable */
         {USB_DEVICE(0x13D3, 0x3310)},
-        {USB_DEVICE(0x13D3, 0x3311)},    /* 11n mode disable */
         {USB_DEVICE(0x13D3, 0x3325)},
-        {USB_DEVICE(0x083A, 0xC512)},
+
+/* RTL8192SU */
+        /* Realtek */
+        {USB_DEVICE(0x0BDA, 0x8174)},
+        {USB_DEVICE(0x0BDA, 0x8174)},
+        /* Belkin */
+        {USB_DEVICE(0x050D, 0x845A)},
+        /* Corega */
+        {USB_DEVICE(0x07AA, 0x0051)},
+        /* Edimax */
+        {USB_DEVICE(0x7392, 0x7622)},
+        /* NEC */
+        {USB_DEVICE(0x0409, 0x02B6)},
         {}
 };
 
@@ -103,8 +172,20 @@ MODULE_DEVICE_TABLE(usb, rtl871x_usb_id_tbl);
 static struct specific_device_id specific_device_id_tbl[] = {
         {.idVendor = 0x0b05, .idProduct = 0x1791,
                  .flags = SPEC_DEV_ID_DISABLE_HT},
+        {.idVendor = 0x0df6, .idProduct = 0x0059,
+                 .flags = SPEC_DEV_ID_DISABLE_HT},
+        {.idVendor = 0x13d3, .idProduct = 0x3306,
+                 .flags = SPEC_DEV_ID_DISABLE_HT},
         {.idVendor = 0x13D3, .idProduct = 0x3311,
                  .flags = SPEC_DEV_ID_DISABLE_HT},
+        {.idVendor = 0x13d3, .idProduct = 0x3335,
+                 .flags = SPEC_DEV_ID_DISABLE_HT},
+        {.idVendor = 0x13d3, .idProduct = 0x3336,
+                 .flags = SPEC_DEV_ID_DISABLE_HT},
+        {.idVendor = 0x13d3, .idProduct = 0x3340,
+                 .flags = SPEC_DEV_ID_DISABLE_HT},
+        {.idVendor = 0x13d3, .idProduct = 0x3341,
+                 .flags = SPEC_DEV_ID_DISABLE_HT},
         {}
 };
 
diff --git a/drivers/staging/speakup/kobjects.c b/drivers/staging/speakup/kobjects.c
index 408bb9b3303e..07a7f5432597 100644
--- a/drivers/staging/speakup/kobjects.c
+++ b/drivers/staging/speakup/kobjects.c
@@ -332,7 +332,7 @@ static ssize_t silent_store(struct kobject *kobj, struct kobj_attribute *attr,
         unsigned long flags;
 
         len = strlen(buf);
-        if (len > 0 || len < 3) {
+        if (len > 0 && len < 3) {
                 ch = buf[0];
                 if (ch == '\n')
                         ch = '0';
diff --git a/drivers/staging/ste_rmi4/synaptics_i2c_rmi4.c b/drivers/staging/ste_rmi4/synaptics_i2c_rmi4.c
index e8f047e86a32..80183a7e6624 100644
--- a/drivers/staging/ste_rmi4/synaptics_i2c_rmi4.c
+++ b/drivers/staging/ste_rmi4/synaptics_i2c_rmi4.c
@@ -986,12 +986,6 @@ static int __devinit synaptics_rmi4_probe
         input_set_abs_params(rmi4_data->input_dev, ABS_MT_TOUCH_MAJOR, 0,
                                                 MAX_TOUCH_MAJOR, 0, 0);
 
-        retval = input_register_device(rmi4_data->input_dev);
-        if (retval) {
-                dev_err(&client->dev, "%s:input register failed\n", __func__);
-                goto err_input_register;
-        }
-
         /* Clear interrupts */
         synaptics_rmi4_i2c_block_read(rmi4_data,
                         rmi4_data->fn01_data_base_addr + 1, intr_status,
@@ -1003,15 +997,20 @@ static int __devinit synaptics_rmi4_probe
         if (retval) {
                 dev_err(&client->dev, "%s:Unable to get attn irq %d\n",
                                 __func__, platformdata->irq_number);
-                goto err_request_irq;
+                goto err_unset_clientdata;
+        }
+
+        retval = input_register_device(rmi4_data->input_dev);
+        if (retval) {
+                dev_err(&client->dev, "%s:input register failed\n", __func__);
+                goto err_free_irq;
         }
 
         return retval;
 
-err_request_irq:
+err_free_irq:
         free_irq(platformdata->irq_number, rmi4_data);
-        input_unregister_device(rmi4_data->input_dev);
-err_input_register:
+err_unset_clientdata:
         i2c_set_clientdata(client, NULL);
 err_query_dev:
         if (platformdata->regulator_en) {
diff --git a/drivers/staging/tidspbridge/core/io_sm.c b/drivers/staging/tidspbridge/core/io_sm.c
index 571864555ddd..27e0aa81a584 100644
--- a/drivers/staging/tidspbridge/core/io_sm.c
+++ b/drivers/staging/tidspbridge/core/io_sm.c
@@ -949,7 +949,7 @@ func_end:
  *      Calls the Bridge's CHNL_ISR to determine if this interrupt is ours, then
  *      schedules a DPC to dispatch I/O.
  */
-void io_mbox_msg(u32 msg)
+int io_mbox_msg(struct notifier_block *self, unsigned long len, void *msg)
 {
         struct io_mgr *pio_mgr;
         struct dev_object *dev_obj;
@@ -959,9 +959,9 @@ void io_mbox_msg(u32 msg)
         dev_get_io_mgr(dev_obj, &pio_mgr);
 
         if (!pio_mgr)
-                return;
+                return NOTIFY_BAD;
 
-        pio_mgr->intr_val = (u16)msg;
+        pio_mgr->intr_val = (u16)((u32)msg);
         if (pio_mgr->intr_val & MBX_PM_CLASS)
                 io_dispatch_pm(pio_mgr);
 
@@ -973,7 +973,7 @@ void io_mbox_msg(u32 msg)
                 spin_unlock_irqrestore(&pio_mgr->dpc_lock, flags);
                 tasklet_schedule(&pio_mgr->dpc_tasklet);
         }
-        return;
+        return NOTIFY_OK;
 }
 
 /*
diff --git a/drivers/staging/tidspbridge/core/tiomap3430.c b/drivers/staging/tidspbridge/core/tiomap3430.c
index a3b0a183d570..a3f69f6f505f 100644
--- a/drivers/staging/tidspbridge/core/tiomap3430.c
+++ b/drivers/staging/tidspbridge/core/tiomap3430.c
@@ -223,6 +223,10 @@ static struct bridge_drv_interface drv_interface_fxns = {
         bridge_msg_set_queue_id,
 };
 
+static struct notifier_block dsp_mbox_notifier = {
+        .notifier_call = io_mbox_msg,
+};
+
 static inline void flush_all(struct bridge_dev_context *dev_context)
 {
         if (dev_context->dw_brd_state == BRD_DSP_HIBERNATION ||
@@ -553,7 +557,7 @@ static int bridge_brd_start(struct bridge_dev_context *dev_ctxt,
                  * Enable Mailbox events and also drain any pending
                  * stale messages.
                  */
-                dev_context->mbox = omap_mbox_get("dsp");
+                dev_context->mbox = omap_mbox_get("dsp", &dsp_mbox_notifier);
                 if (IS_ERR(dev_context->mbox)) {
                         dev_context->mbox = NULL;
                         pr_err("%s: Failed to get dsp mailbox handle\n",
@@ -563,8 +567,6 @@ static int bridge_brd_start(struct bridge_dev_context *dev_ctxt,
 
         }
         if (!status) {
-                dev_context->mbox->rxq->callback = (int (*)(void *))io_mbox_msg;
-
 /*PM_IVA2GRPSEL_PER = 0xC0;*/
                 temp = readl(resources->dw_per_pm_base + 0xA8);
                 temp = (temp & 0xFFFFFF30) | 0xC0;
@@ -685,7 +687,7 @@ static int bridge_brd_stop(struct bridge_dev_context *dev_ctxt)
         /* Disable the mailbox interrupts */
         if (dev_context->mbox) {
                 omap_mbox_disable_irq(dev_context->mbox, IRQ_RX);
-                omap_mbox_put(dev_context->mbox);
+                omap_mbox_put(dev_context->mbox, &dsp_mbox_notifier);
                 dev_context->mbox = NULL;
         }
         /* Reset IVA2 clocks*/
@@ -786,10 +788,7 @@ static int bridge_dev_create(struct bridge_dev_context
 
         pt_attrs = kzalloc(sizeof(struct pg_table_attrs), GFP_KERNEL);
         if (pt_attrs != NULL) {
-                /* Assuming that we use only DSP's memory map
-                 * until 0x4000:0000 , we would need only 1024
-                 * L1 enties i.e L1 size = 4K */
-                pt_attrs->l1_size = 0x1000;
+                pt_attrs->l1_size = SZ_16K; /* 4096 entries of 32 bits */
                 align_size = pt_attrs->l1_size;
                 /* Align sizes are expected to be power of 2 */
                 /* we like to get aligned on L1 table size */
diff --git a/drivers/staging/tidspbridge/include/dspbridge/io_sm.h b/drivers/staging/tidspbridge/include/dspbridge/io_sm.h
index 18aec55d8647..8242c70e09dd 100644
--- a/drivers/staging/tidspbridge/include/dspbridge/io_sm.h
+++ b/drivers/staging/tidspbridge/include/dspbridge/io_sm.h
@@ -72,22 +72,17 @@ extern void io_dpc(unsigned long ref_data);
 /*
  *  ======== io_mbox_msg ========
  *  Purpose:
- *      Main interrupt handler for the shared memory Bridge channel manager.
- *      Calls the Bridge's chnlsm_isr to determine if this interrupt is ours,
- *      then schedules a DPC to dispatch I/O.
+ *      Main message handler for the shared memory Bridge channel manager.
+ *      Determine if this message is ours, then schedules a DPC to
+ *      dispatch I/O.
  *  Parameters:
- *      ref_data:   Pointer to the channel manager object for this board.
- *                  Set in an initial call to ISR_Install().
+ *      self:   Pointer to its own notifier_block struct.
+ *      len:    Length of message.
+ *      msg:    Message code received.
  *  Returns:
- *      TRUE if interrupt handled; FALSE otherwise.
- *  Requires:
- *      Must be in locked memory if executing in kernel mode.
- *      Must only call functions which are in locked memory if Kernel mode.
- *      Must only call asynchronous services.
- *      Interrupts are disabled and EOI for this interrupt has been sent.
- *  Ensures:
+ *      NOTIFY_OK if handled; NOTIFY_BAD otherwise.
  */
-void io_mbox_msg(u32 msg);
+int io_mbox_msg(struct notifier_block *self, unsigned long len, void *msg);
 
 /*
  *  ======== io_request_chnl ========
diff --git a/drivers/staging/usbip/stub.h b/drivers/staging/usbip/stub.h
index 30dbfb6d16f2..d73267961ef4 100644
--- a/drivers/staging/usbip/stub.h
+++ b/drivers/staging/usbip/stub.h
@@ -32,6 +32,7 @@
 
 struct stub_device {
         struct usb_interface *interface;
+        struct usb_device *udev;
         struct list_head list;
 
         struct usbip_device ud;
diff --git a/drivers/staging/usbip/stub_dev.c b/drivers/staging/usbip/stub_dev.c
index b186b5fed2b9..a7ce51cc8909 100644
--- a/drivers/staging/usbip/stub_dev.c
+++ b/drivers/staging/usbip/stub_dev.c
@@ -258,10 +258,11 @@ static void stub_shutdown_connection(struct usbip_device *ud)
 static void stub_device_reset(struct usbip_device *ud)
 {
         struct stub_device *sdev = container_of(ud, struct stub_device, ud);
-        struct usb_device *udev = interface_to_usbdev(sdev->interface);
+        struct usb_device *udev = sdev->udev;
         int ret;
 
         usbip_udbg("device reset");
+
         ret = usb_lock_device_for_reset(udev, sdev->interface);
         if (ret < 0) {
                 dev_err(&udev->dev, "lock for reset\n");
@@ -309,7 +310,8 @@ static void stub_device_unusable(struct usbip_device *ud)
  *
  * Allocates and initializes a new stub_device struct.
  */
-static struct stub_device *stub_device_alloc(struct usb_interface *interface)
+static struct stub_device *stub_device_alloc(struct usb_device *udev,
+                                             struct usb_interface *interface)
 {
         struct stub_device *sdev;
         int busnum = interface_to_busnum(interface);
@@ -324,7 +326,8 @@ static struct stub_device *stub_device_alloc(struct usb_interface *interface)
                 return NULL;
         }
 
-        sdev->interface = interface;
+        sdev->interface = usb_get_intf(interface);
+        sdev->udev = usb_get_dev(udev);
 
         /*
          * devid is defined with devnum when this driver is first allocated.
@@ -450,11 +453,12 @@ static int stub_probe(struct usb_interface *interface,
                         return err;
                 }
 
+                usb_get_intf(interface);
                 return 0;
         }
 
         /* ok. this is my device. */
-        sdev = stub_device_alloc(interface);
+        sdev = stub_device_alloc(udev, interface);
         if (!sdev)
                 return -ENOMEM;
 
@@ -476,6 +480,8 @@ static int stub_probe(struct usb_interface *interface,
                 dev_err(&interface->dev, "create sysfs files for %s\n",
                         udev_busid);
                 usb_set_intfdata(interface, NULL);
+                usb_put_intf(interface);
+
                 busid_priv->interf_count = 0;
 
                 busid_priv->sdev = NULL;
@@ -545,6 +551,7 @@ static void stub_disconnect(struct usb_interface *interface)
         if (busid_priv->interf_count > 1) {
                 busid_priv->interf_count--;
                 shutdown_busid(busid_priv);
+                usb_put_intf(interface);
                 return;
         }
 
@@ -554,6 +561,9 @@ static void stub_disconnect(struct usb_interface *interface)
         /* 1. shutdown the current connection */
         shutdown_busid(busid_priv);
 
+        usb_put_dev(sdev->udev);
+        usb_put_intf(interface);
+
         /* 3. free sdev */
         busid_priv->sdev = NULL;
         stub_device_free(sdev);
diff --git a/drivers/staging/usbip/stub_rx.c b/drivers/staging/usbip/stub_rx.c
index 3de6fd2539dc..ae6ac82754a4 100644
--- a/drivers/staging/usbip/stub_rx.c
+++ b/drivers/staging/usbip/stub_rx.c
@@ -364,7 +364,7 @@ static struct stub_priv *stub_priv_alloc(struct stub_device *sdev,
 
 static int get_pipe(struct stub_device *sdev, int epnum, int dir)
 {
-        struct usb_device *udev = interface_to_usbdev(sdev->interface);
+        struct usb_device *udev = sdev->udev;
         struct usb_host_endpoint *ep;
         struct usb_endpoint_descriptor *epd = NULL;
 
@@ -484,7 +484,7 @@ static void stub_recv_cmd_submit(struct stub_device *sdev,
         int ret;
         struct stub_priv *priv;
         struct usbip_device *ud = &sdev->ud;
-        struct usb_device *udev = interface_to_usbdev(sdev->interface);
+        struct usb_device *udev = sdev->udev;
         int pipe = get_pipe(sdev, pdu->base.ep, pdu->base.direction);
 
 
diff --git a/drivers/staging/usbip/vhci.h b/drivers/staging/usbip/vhci.h
index 41a1fe5138f4..afc3b1a71881 100644
--- a/drivers/staging/usbip/vhci.h
+++ b/drivers/staging/usbip/vhci.h
@@ -100,9 +100,6 @@ struct vhci_hcd {
          * But, the index of this array begins from 0.
          */
         struct vhci_device vdev[VHCI_NPORTS];
-
-        /* vhci_device which has not been assiged its address yet */
-        int pending_port;
 };
 
 
@@ -119,6 +116,9 @@ void rh_port_disconnect(int rhport);
 void vhci_rx_loop(struct usbip_task *ut);
 void vhci_tx_loop(struct usbip_task *ut);
 
+struct urb *pickup_urb_and_free_priv(struct vhci_device *vdev,
+                                            __u32 seqnum);
+
 #define hardware                (&the_controller->pdev.dev)
 
 static inline struct vhci_device *port_to_vdev(__u32 port)
diff --git a/drivers/staging/usbip/vhci_hcd.c b/drivers/staging/usbip/vhci_hcd.c
index 08bd26a245d5..a35fe61268de 100644
--- a/drivers/staging/usbip/vhci_hcd.c
+++ b/drivers/staging/usbip/vhci_hcd.c
@@ -138,8 +138,6 @@ void rh_port_connect(int rhport, enum usb_device_speed speed)
          * the_controller->vdev[rhport].ud.status = VDEV_CONNECT;
          * spin_unlock(&the_controller->vdev[rhport].ud.lock); */
 
-        the_controller->pending_port = rhport;
-
         spin_unlock_irqrestore(&the_controller->lock, flags);
 
         usb_hcd_poll_rh_status(vhci_to_hcd(the_controller));
@@ -559,6 +557,7 @@ static int vhci_urb_enqueue(struct usb_hcd *hcd, struct urb *urb,
         struct device *dev = &urb->dev->dev;
         int ret = 0;
         unsigned long flags;
+        struct vhci_device *vdev;
 
         usbip_dbg_vhci_hc("enter, usb_hcd %p urb %p mem_flags %d\n",
                     hcd, urb, mem_flags);
@@ -574,6 +573,18 @@ static int vhci_urb_enqueue(struct usb_hcd *hcd, struct urb *urb,
                 return urb->status;
         }
 
+        vdev = port_to_vdev(urb->dev->portnum-1);
+
+        /* refuse enqueue for dead connection */
+        spin_lock(&vdev->ud.lock);
+        if (vdev->ud.status == VDEV_ST_NULL || vdev->ud.status == VDEV_ST_ERROR) {
+                usbip_uerr("enqueue for inactive port %d\n", vdev->rhport);
+                spin_unlock(&vdev->ud.lock);
+                spin_unlock_irqrestore(&the_controller->lock, flags);
+                return -ENODEV;
+        }
+        spin_unlock(&vdev->ud.lock);
+
         ret = usb_hcd_link_urb_to_ep(hcd, urb);
         if (ret)
                 goto no_need_unlink;
@@ -592,8 +603,6 @@ static int vhci_urb_enqueue(struct usb_hcd *hcd, struct urb *urb,
                 __u8 type = usb_pipetype(urb->pipe);
                 struct usb_ctrlrequest *ctrlreq =
                                 (struct usb_ctrlrequest *) urb->setup_packet;
-                struct vhci_device *vdev =
-                                port_to_vdev(the_controller->pending_port);
 
                 if (type != PIPE_CONTROL || !ctrlreq) {
                         dev_err(dev, "invalid request to devnum 0\n");
@@ -607,7 +616,9 @@ static int vhci_urb_enqueue(struct usb_hcd *hcd, struct urb *urb,
                         dev_info(dev, "SetAddress Request (%d) to port %d\n",
                                  ctrlreq->wValue, vdev->rhport);
 
-                        vdev->udev = urb->dev;
+                        if (vdev->udev)
+                                usb_put_dev(vdev->udev);
+                        vdev->udev = usb_get_dev(urb->dev);
 
                         spin_lock(&vdev->ud.lock);
                         vdev->ud.status = VDEV_ST_USED;
@@ -627,8 +638,9 @@ static int vhci_urb_enqueue(struct usb_hcd *hcd, struct urb *urb,
                                                 "Get_Descriptor to device 0 "
                                                 "(get max pipe size)\n");
 
-                        /* FIXME: reference count? (usb_get_dev()) */
-                        vdev->udev = urb->dev;
+                        if (vdev->udev)
+                                usb_put_dev(vdev->udev);
+                        vdev->udev = usb_get_dev(urb->dev);
                         goto out;
 
                 default:
@@ -805,7 +817,6 @@ static int vhci_urb_dequeue(struct usb_hcd *hcd, struct urb *urb, int status)
         return 0;
 }
 
-
 static void vhci_device_unlink_cleanup(struct vhci_device *vdev)
 {
         struct vhci_unlink *unlink, *tmp;
@@ -813,11 +824,34 @@ static void vhci_device_unlink_cleanup(struct vhci_device *vdev)
         spin_lock(&vdev->priv_lock);
 
         list_for_each_entry_safe(unlink, tmp, &vdev->unlink_tx, list) {
+                usbip_uinfo("unlink cleanup tx %lu\n", unlink->unlink_seqnum);
                 list_del(&unlink->list);
                 kfree(unlink);
         }
 
         list_for_each_entry_safe(unlink, tmp, &vdev->unlink_rx, list) {
+                struct urb *urb;
+
+                /* give back URB of unanswered unlink request */
+                usbip_uinfo("unlink cleanup rx %lu\n", unlink->unlink_seqnum);
+
+                urb = pickup_urb_and_free_priv(vdev, unlink->unlink_seqnum);
+                if (!urb) {
+                        usbip_uinfo("the urb (seqnum %lu) was already given back\n",
+                                                        unlink->unlink_seqnum);
+                        list_del(&unlink->list);
+                        kfree(unlink);
+                        continue;
+                }
+
+                urb->status = -ENODEV;
+
+                spin_lock(&the_controller->lock);
+                usb_hcd_unlink_urb_from_ep(vhci_to_hcd(the_controller), urb);
+                spin_unlock(&the_controller->lock);
+
+                usb_hcd_giveback_urb(vhci_to_hcd(the_controller), urb, urb->status);
+
                 list_del(&unlink->list);
                 kfree(unlink);
         }
@@ -887,6 +921,10 @@ static void vhci_device_reset(struct usbip_device *ud)
         vdev->speed  = 0;
         vdev->devid  = 0;
 
+        if (vdev->udev)
+                usb_put_dev(vdev->udev);
+        vdev->udev = NULL;
+
         ud->tcp_socket = NULL;
 
         ud->status = VDEV_ST_NULL;
diff --git a/drivers/staging/usbip/vhci_rx.c b/drivers/staging/usbip/vhci_rx.c
index 8147d7202b2d..bf6991470941 100644
--- a/drivers/staging/usbip/vhci_rx.c
+++ b/drivers/staging/usbip/vhci_rx.c
@@ -23,16 +23,14 @@
 #include "vhci.h"
 
 
-/* get URB from transmitted urb queue */
-static struct urb *pickup_urb_and_free_priv(struct vhci_device *vdev,
+/* get URB from transmitted urb queue. caller must hold vdev->priv_lock */
+struct urb *pickup_urb_and_free_priv(struct vhci_device *vdev,
                                             __u32 seqnum)
 {
         struct vhci_priv *priv, *tmp;
         struct urb *urb = NULL;
         int status;
 
-        spin_lock(&vdev->priv_lock);
-
         list_for_each_entry_safe(priv, tmp, &vdev->priv_rx, list) {
                 if (priv->seqnum == seqnum) {
                         urb = priv->urb;
@@ -63,8 +61,6 @@ static struct urb *pickup_urb_and_free_priv(struct vhci_device *vdev,
                 }
         }
 
-        spin_unlock(&vdev->priv_lock);
-
         return urb;
 }
 
@@ -74,9 +70,11 @@ static void vhci_recv_ret_submit(struct vhci_device *vdev,
         struct usbip_device *ud = &vdev->ud;
         struct urb *urb;
 
+        spin_lock(&vdev->priv_lock);
 
         urb = pickup_urb_and_free_priv(vdev, pdu->base.seqnum);
 
+        spin_unlock(&vdev->priv_lock);
 
         if (!urb) {
                 usbip_uerr("cannot find a urb of seqnum %u\n",
@@ -161,7 +159,12 @@ static void vhci_recv_ret_unlink(struct vhci_device *vdev,
                 return;
         }
 
+        spin_lock(&vdev->priv_lock);
+
         urb = pickup_urb_and_free_priv(vdev, unlink->unlink_seqnum);
+
+        spin_unlock(&vdev->priv_lock);
+
         if (!urb) {
                 /*
                  * I get the result of a unlink request. But, it seems that I
@@ -190,6 +193,19 @@ static void vhci_recv_ret_unlink(struct vhci_device *vdev,
         return;
 }
 
+static int vhci_priv_tx_empty(struct vhci_device *vdev)
+{
+        int empty = 0;
+
+        spin_lock(&vdev->priv_lock);
+
+        empty = list_empty(&vdev->priv_rx);
+
+        spin_unlock(&vdev->priv_lock);
+
+        return empty;
+}
+
 /* recv a pdu */
 static void vhci_rx_pdu(struct usbip_device *ud)
 {
@@ -202,11 +218,29 @@ static void vhci_rx_pdu(struct usbip_device *ud)
 
         memset(&pdu, 0, sizeof(pdu));
 
-
         /* 1. receive a pdu header */
         ret = usbip_xmit(0, ud->tcp_socket, (char *) &pdu, sizeof(pdu), 0);
+        if (ret < 0) {
+                if (ret == -ECONNRESET)
+                        usbip_uinfo("connection reset by peer\n");
+                else if (ret == -EAGAIN) {
+                        /* ignore if connection was idle */
+                        if (vhci_priv_tx_empty(vdev))
+                                return;
+                        usbip_uinfo("connection timed out with pending urbs\n");
+                } else if (ret != -ERESTARTSYS)
+                        usbip_uinfo("xmit failed %d\n", ret);
+
+                usbip_event_add(ud, VDEV_EVENT_ERROR_TCP);
+                return;
+        }
+        if (ret == 0) {
+                usbip_uinfo("connection closed");
+                usbip_event_add(ud, VDEV_EVENT_DOWN);
+                return;
+        }
         if (ret != sizeof(pdu)) {
-                usbip_uerr("receiving pdu failed! size is %d, should be %d\n",
+                usbip_uerr("received pdu size is %d, should be %d\n",
                                         ret, (unsigned int)sizeof(pdu));
                 usbip_event_add(ud, VDEV_EVENT_ERROR_TCP);
                 return;
diff --git a/drivers/staging/vme/bridges/Module.symvers b/drivers/staging/vme/bridges/Module.symvers
deleted file mode 100644
index e69de29bb2d1..000000000000
--- a/drivers/staging/vme/bridges/Module.symvers
+++ /dev/null
diff --git a/drivers/staging/xgifb/vb_setmode.c b/drivers/staging/xgifb/vb_setmode.c
index 7016fdd2509f..e19b932492e1 100644
--- a/drivers/staging/xgifb/vb_setmode.c
+++ b/drivers/staging/xgifb/vb_setmode.c
@@ -3954,8 +3954,8 @@ void XGI_GetCRT2ResInfo(unsigned short ModeNo, unsigned short ModeIdIndex,
 unsigned char XGI_IsLCDDualLink(struct vb_device_info *pVBInfo)
 {
 
-        if ((((pVBInfo->VBInfo & SetCRT2ToLCD) | SetCRT2ToLCDA))
-                        && (pVBInfo->LCDInfo & SetLCDDualLink)) /* shampoo0129 */
+        if ((pVBInfo->VBInfo & (SetCRT2ToLCD | SetCRT2ToLCDA)) &&
+                        (pVBInfo->LCDInfo & SetLCDDualLink)) /* shampoo0129 */
                 return 1;
 
         return 0;
@@ -8773,7 +8773,7 @@ unsigned short XGI_GetVCLK2Ptr(unsigned short ModeNo,
 
         if (pVBInfo->IF_DEF_LVDS == 0) {
                 CRT2Index = CRT2Index >> 6; /*  for LCD */
-                if (((pVBInfo->VBInfo & SetCRT2ToLCD) | SetCRT2ToLCDA)) { /*301b*/
+                if (pVBInfo->VBInfo & (SetCRT2ToLCD | SetCRT2ToLCDA)) { /*301b*/
                         if (pVBInfo->LCDResInfo != Panel1024x768)
                                 VCLKIndex = LCDXlat2VCLK[CRT2Index];
                         else
diff --git a/drivers/tty/n_hdlc.c b/drivers/tty/n_hdlc.c
index 47d32281032c..52fc0c9a6364 100644
--- a/drivers/tty/n_hdlc.c
+++ b/drivers/tty/n_hdlc.c
@@ -581,8 +581,9 @@ static ssize_t n_hdlc_tty_read(struct tty_struct *tty, struct file *file,
                            __u8 __user *buf, size_t nr)
 {
         struct n_hdlc *n_hdlc = tty2n_hdlc(tty);
-        int ret;
+        int ret = 0;
         struct n_hdlc_buf *rbuf;
+        DECLARE_WAITQUEUE(wait, current);
 
         if (debuglevel >= DEBUG_LEVEL_INFO)     
                 printk("%s(%d)n_hdlc_tty_read() called\n",__FILE__,__LINE__);
@@ -598,57 +599,55 @@ static ssize_t n_hdlc_tty_read(struct tty_struct *tty, struct file *file,
                 return -EFAULT;
         }
 
-        tty_lock();
+        add_wait_queue(&tty->read_wait, &wait);
 
         for (;;) {
                 if (test_bit(TTY_OTHER_CLOSED, &tty->flags)) {
-                        tty_unlock();
-                        return -EIO;
+                        ret = -EIO;
+                        break;
                 }
+                if (tty_hung_up_p(file))
+                        break;
 
-                n_hdlc = tty2n_hdlc (tty);
-                if (!n_hdlc || n_hdlc->magic != HDLC_MAGIC ||
-                         tty != n_hdlc->tty) {
-                        tty_unlock();
-                        return 0;
-                }
+                set_current_state(TASK_INTERRUPTIBLE);
 
                 rbuf = n_hdlc_buf_get(&n_hdlc->rx_buf_list);
-                if (rbuf)
+                if (rbuf) {
+                        if (rbuf->count > nr) {
+                                /* too large for caller's buffer */
+                                ret = -EOVERFLOW;
+                        } else {
+                                if (copy_to_user(buf, rbuf->buf, rbuf->count))
+                                        ret = -EFAULT;
+                                else
+                                        ret = rbuf->count;
+                        }
+
+                        if (n_hdlc->rx_free_buf_list.count >
+                            DEFAULT_RX_BUF_COUNT)
+                                kfree(rbuf);
+                        else
+                                n_hdlc_buf_put(&n_hdlc->rx_free_buf_list, rbuf);
                         break;
+                }
                         
                 /* no data */
                 if (file->f_flags & O_NONBLOCK) {
-                        tty_unlock();
-                        return -EAGAIN;
+                        ret = -EAGAIN;
+                        break;
                 }
-                        
-                interruptible_sleep_on (&tty->read_wait);
+
+                schedule();
+
                 if (signal_pending(current)) {
-                        tty_unlock();
-                        return -EINTR;
+                        ret = -EINTR;
+                        break;
                 }
         }
-                
-        if (rbuf->count > nr)
-                /* frame too large for caller's buffer (discard frame) */
-                ret = -EOVERFLOW;
-        else {
-                /* Copy the data to the caller's buffer */
-                if (copy_to_user(buf, rbuf->buf, rbuf->count))
-                        ret = -EFAULT;
-                else
-                        ret = rbuf->count;
-        }
-        
-        /* return HDLC buffer to free list unless the free list */
-        /* count has exceeded the default value, in which case the */
-        /* buffer is freed back to the OS to conserve memory */
-        if (n_hdlc->rx_free_buf_list.count > DEFAULT_RX_BUF_COUNT)
-                kfree(rbuf);
-        else    
-                n_hdlc_buf_put(&n_hdlc->rx_free_buf_list,rbuf);
-        tty_unlock();
+
+        remove_wait_queue(&tty->read_wait, &wait);
+        __set_current_state(TASK_RUNNING);
+
         return ret;
         
 }       /* end of n_hdlc_tty_read() */
@@ -691,14 +690,15 @@ static ssize_t n_hdlc_tty_write(struct tty_struct *tty, struct file *file,
                 count = maxframe;
         }
         
-        tty_lock();
-
         add_wait_queue(&tty->write_wait, &wait);
-        set_current_state(TASK_INTERRUPTIBLE);
+
+        for (;;) {
+                set_current_state(TASK_INTERRUPTIBLE);
         
-        /* Allocate transmit buffer */
-        /* sleep until transmit buffer available */             
-        while (!(tbuf = n_hdlc_buf_get(&n_hdlc->tx_free_buf_list))) {
+                tbuf = n_hdlc_buf_get(&n_hdlc->tx_free_buf_list);
+                if (tbuf)
+                        break;
+
                 if (file->f_flags & O_NONBLOCK) {
                         error = -EAGAIN;
                         break;
@@ -719,7 +719,7 @@ static ssize_t n_hdlc_tty_write(struct tty_struct *tty, struct file *file,
                 }
         }
 
-        set_current_state(TASK_RUNNING);
+        __set_current_state(TASK_RUNNING);
         remove_wait_queue(&tty->write_wait, &wait);
 
         if (!error) {           
@@ -731,7 +731,7 @@ static ssize_t n_hdlc_tty_write(struct tty_struct *tty, struct file *file,
                 n_hdlc_buf_put(&n_hdlc->tx_buf_list,tbuf);
                 n_hdlc_send_frames(n_hdlc,tty);
         }
-        tty_unlock();
+
         return error;
         
 }       /* end of n_hdlc_tty_write() */
diff --git a/drivers/tty/serial/8250.c b/drivers/tty/serial/8250.c
index b25e6e490530..3975df6f7fdb 100644
--- a/drivers/tty/serial/8250.c
+++ b/drivers/tty/serial/8250.c
@@ -236,7 +236,8 @@ static const struct serial8250_config uart_config[] = {
                 .fifo_size      = 128,
                 .tx_loadsz      = 128,
                 .fcr            = UART_FCR_ENABLE_FIFO | UART_FCR_R_TRIG_10,
-                .flags          = UART_CAP_FIFO | UART_CAP_EFR | UART_CAP_SLEEP,
+                /* UART_CAP_EFR breaks billionon CF bluetooth card. */
+                .flags          = UART_CAP_FIFO | UART_CAP_SLEEP,
         },
         [PORT_16654] = {
                 .name           = "ST16654",
diff --git a/drivers/tty/serial/Kconfig b/drivers/tty/serial/Kconfig
index b1682d7f1d8a..2b8334601c8b 100644
--- a/drivers/tty/serial/Kconfig
+++ b/drivers/tty/serial/Kconfig
@@ -1518,6 +1518,7 @@ config SERIAL_BCM63XX_CONSOLE
 config SERIAL_GRLIB_GAISLER_APBUART
         tristate "GRLIB APBUART serial support"
         depends on OF
+        select SERIAL_CORE
         ---help---
         Add support for the GRLIB APBUART serial port.
 
diff --git a/drivers/tty/tty_io.c b/drivers/tty/tty_io.c
index 6158eae0f64a..0065da4b11c1 100644
--- a/drivers/tty/tty_io.c
+++ b/drivers/tty/tty_io.c
@@ -3257,7 +3257,7 @@ static ssize_t show_cons_active(struct device *dev,
         ssize_t count = 0;
 
         console_lock();
-        for (c = console_drivers; c; c = c->next) {
+        for_each_console(c) {
                 if (!c->device)
                         continue;
                 if (!c->write)
@@ -3306,7 +3306,7 @@ int __init tty_init(void)
         if (IS_ERR(consdev))
                 consdev = NULL;
         else
-                device_create_file(consdev, &dev_attr_active);
+                WARN_ON(device_create_file(consdev, &dev_attr_active) < 0);
 
 #ifdef CONFIG_VT
         vty_init(&console_fops);
diff --git a/drivers/tty/vt/vt.c b/drivers/tty/vt/vt.c
index b230bd3f056f..147ede3423df 100644
--- a/drivers/tty/vt/vt.c
+++ b/drivers/tty/vt/vt.c
@@ -2994,7 +2994,7 @@ int __init vty_init(const struct file_operations *console_fops)
         if (IS_ERR(tty0dev))
                 tty0dev = NULL;
         else
-                device_create_file(tty0dev, &dev_attr_active);
+                WARN_ON(device_create_file(tty0dev, &dev_attr_active) < 0);
 
         vcs_init();
 
@@ -3545,7 +3545,7 @@ int register_con_driver(const struct consw *csw, int first, int last)
 
                 /* already registered */
                 if (con_driver->con == csw)
-                        retval = -EINVAL;
+                        retval = -EBUSY;
         }
 
         if (retval)
@@ -3656,7 +3656,12 @@ int take_over_console(const struct consw *csw, int first, int last, int deflt)
         int err;
 
         err = register_con_driver(csw, first, last);
-
+        /* if we get an busy error we still want to bind the console driver
+         * and return success, as we may have unbound the console driver
+         * but not unregistered it.
+        */
+        if (err == -EBUSY)
+                err = 0;
         if (!err)
                 bind_con_driver(csw, first, last, deflt);
 
diff --git a/drivers/usb/class/cdc-wdm.c b/drivers/usb/class/cdc-wdm.c
index 6ee4451bfe2d..47085e5879ab 100644
--- a/drivers/usb/class/cdc-wdm.c
+++ b/drivers/usb/class/cdc-wdm.c
@@ -342,7 +342,7 @@ static ssize_t wdm_write
                 goto outnp;
         }
 
-        if (!file->f_flags && O_NONBLOCK)
+        if (!(file->f_flags & O_NONBLOCK))
                 r = wait_event_interruptible(desc->wait, !test_bit(WDM_IN_USE,
                                                                 &desc->flags));
         else
diff --git a/drivers/usb/core/endpoint.c b/drivers/usb/core/endpoint.c
index 9da250563027..df502a98d0df 100644
--- a/drivers/usb/core/endpoint.c
+++ b/drivers/usb/core/endpoint.c
@@ -192,12 +192,12 @@ int usb_create_ep_devs(struct device *parent,
         ep_dev->dev.parent = parent;
         ep_dev->dev.release = ep_device_release;
         dev_set_name(&ep_dev->dev, "ep_%02x", endpoint->desc.bEndpointAddress);
-        device_enable_async_suspend(&ep_dev->dev);
 
         retval = device_register(&ep_dev->dev);
         if (retval)
                 goto error_register;
 
+        device_enable_async_suspend(&ep_dev->dev);
         endpoint->ep_dev = ep_dev;
         return retval;
 
diff --git a/drivers/usb/core/hcd-pci.c b/drivers/usb/core/hcd-pci.c
index b55d46070a25..f71e8e307e0f 100644
--- a/drivers/usb/core/hcd-pci.c
+++ b/drivers/usb/core/hcd-pci.c
@@ -405,7 +405,12 @@ static int suspend_common(struct device *dev, bool do_wakeup)
                         return retval;
         }
 
-        synchronize_irq(pci_dev->irq);
+        /* If MSI-X is enabled, the driver will have synchronized all vectors
+         * in pci_suspend(). If MSI or legacy PCI is enabled, that will be
+         * synchronized here.
+         */
+        if (!hcd->msix_enabled)
+                synchronize_irq(pci_dev->irq);
 
         /* Downstream ports from this root hub should already be quiesced, so
          * there will be no DMA activity.  Now we can shut down the upstream
diff --git a/drivers/usb/core/hub.c b/drivers/usb/core/hub.c
index b98efae6a1cf..4310cc4b1cb5 100644
--- a/drivers/usb/core/hub.c
+++ b/drivers/usb/core/hub.c
@@ -676,6 +676,8 @@ static void hub_init_func3(struct work_struct *ws);
 static void hub_activate(struct usb_hub *hub, enum hub_activation_type type)
 {
         struct usb_device *hdev = hub->hdev;
+        struct usb_hcd *hcd;
+        int ret;
         int port1;
         int status;
         bool need_debounce_delay = false;
@@ -714,6 +716,25 @@ static void hub_activate(struct usb_hub *hub, enum hub_activation_type type)
                         usb_autopm_get_interface_no_resume(
                                         to_usb_interface(hub->intfdev));
                         return;         /* Continues at init2: below */
+                } else if (type == HUB_RESET_RESUME) {
+                        /* The internal host controller state for the hub device
+                         * may be gone after a host power loss on system resume.
+                         * Update the device's info so the HW knows it's a hub.
+                         */
+                        hcd = bus_to_hcd(hdev->bus);
+                        if (hcd->driver->update_hub_device) {
+                                ret = hcd->driver->update_hub_device(hcd, hdev,
+                                                &hub->tt, GFP_NOIO);
+                                if (ret < 0) {
+                                        dev_err(hub->intfdev, "Host not "
+                                                        "accepting hub info "
+                                                        "update.\n");
+                                        dev_err(hub->intfdev, "LS/FS devices "
+                                                        "and hubs may not work "
+                                                        "under this hub\n.");
+                                }
+                        }
+                        hub_power_on(hub, true);
                 } else {
                         hub_power_on(hub, true);
                 }
diff --git a/drivers/usb/gadget/Kconfig b/drivers/usb/gadget/Kconfig
index 1dc9739277b4..06bb9d4587e9 100644
--- a/drivers/usb/gadget/Kconfig
+++ b/drivers/usb/gadget/Kconfig
@@ -509,7 +509,7 @@ config USB_LANGWELL
         select USB_GADGET_SELECTED
 
 config USB_GADGET_EG20T
-        boolean "Intel EG20T(Topcliff) USB Device controller"
+        boolean "Intel EG20T PCH/OKI SEMICONDUCTOR ML7213 IOH UDC"
         depends on PCI
         select USB_GADGET_DUALSPEED
         help
@@ -525,6 +525,11 @@ config USB_GADGET_EG20T
           This driver dose not support interrupt transfer or isochronous
           transfer modes.
 
+          This driver also can be used for OKI SEMICONDUCTOR's ML7213 which is
+          for IVI(In-Vehicle Infotainment) use.
+          ML7213 is companion chip for Intel Atom E6xx series.
+          ML7213 is completely compatible for Intel EG20T PCH.
+
 config USB_EG20T
         tristate
         depends on USB_GADGET_EG20T
diff --git a/drivers/usb/gadget/ci13xxx_udc.c b/drivers/usb/gadget/ci13xxx_udc.c
index 31656a2b4ab4..a1c67ae1572a 100644
--- a/drivers/usb/gadget/ci13xxx_udc.c
+++ b/drivers/usb/gadget/ci13xxx_udc.c
@@ -76,10 +76,21 @@ static DEFINE_SPINLOCK(udc_lock);
 
 /* control endpoint description */
 static const struct usb_endpoint_descriptor
-ctrl_endpt_desc = {
+ctrl_endpt_out_desc = {
         .bLength         = USB_DT_ENDPOINT_SIZE,
         .bDescriptorType = USB_DT_ENDPOINT,
 
+        .bEndpointAddress = USB_DIR_OUT,
+        .bmAttributes    = USB_ENDPOINT_XFER_CONTROL,
+        .wMaxPacketSize  = cpu_to_le16(CTRL_PAYLOAD_MAX),
+};
+
+static const struct usb_endpoint_descriptor
+ctrl_endpt_in_desc = {
+        .bLength         = USB_DT_ENDPOINT_SIZE,
+        .bDescriptorType = USB_DT_ENDPOINT,
+
+        .bEndpointAddress = USB_DIR_IN,
         .bmAttributes    = USB_ENDPOINT_XFER_CONTROL,
         .wMaxPacketSize  = cpu_to_le16(CTRL_PAYLOAD_MAX),
 };
@@ -265,10 +276,10 @@ static int hw_device_init(void __iomem *base)
         hw_bank.size /= sizeof(u32);
 
         reg = hw_aread(ABS_DCCPARAMS, DCCPARAMS_DEN) >> ffs_nr(DCCPARAMS_DEN);
-        if (reg == 0 || reg > ENDPT_MAX)
-                return -ENODEV;
+        hw_ep_max = reg * 2;   /* cache hw ENDPT_MAX */
 
-        hw_ep_max = reg;   /* cache hw ENDPT_MAX */
+        if (hw_ep_max == 0 || hw_ep_max > ENDPT_MAX)
+                return -ENODEV;
 
         /* setup lock mode ? */
 
@@ -1197,16 +1208,17 @@ static ssize_t show_qheads(struct device *dev, struct device_attribute *attr,
         }
 
         spin_lock_irqsave(udc->lock, flags);
-        for (i = 0; i < hw_ep_max; i++) {
-                struct ci13xxx_ep *mEp = &udc->ci13xxx_ep[i];
+        for (i = 0; i < hw_ep_max/2; i++) {
+                struct ci13xxx_ep *mEpRx = &udc->ci13xxx_ep[i];
+                struct ci13xxx_ep *mEpTx = &udc->ci13xxx_ep[i + hw_ep_max/2];
                 n += scnprintf(buf + n, PAGE_SIZE - n,
                                "EP=%02i: RX=%08X TX=%08X\n",
-                               i, (u32)mEp->qh[RX].dma, (u32)mEp->qh[TX].dma);
+                               i, (u32)mEpRx->qh.dma, (u32)mEpTx->qh.dma);
                 for (j = 0; j < (sizeof(struct ci13xxx_qh)/sizeof(u32)); j++) {
                         n += scnprintf(buf + n, PAGE_SIZE - n,
                                        " %04X:    %08X    %08X\n", j,
-                                       *((u32 *)mEp->qh[RX].ptr + j),
-                                       *((u32 *)mEp->qh[TX].ptr + j));
+                                       *((u32 *)mEpRx->qh.ptr + j),
+                                       *((u32 *)mEpTx->qh.ptr + j));
                 }
         }
         spin_unlock_irqrestore(udc->lock, flags);
@@ -1293,7 +1305,7 @@ static ssize_t show_requests(struct device *dev, struct device_attribute *attr,
         unsigned long flags;
         struct list_head   *ptr = NULL;
         struct ci13xxx_req *req = NULL;
-        unsigned i, j, k, n = 0, qSize = sizeof(struct ci13xxx_td)/sizeof(u32);
+        unsigned i, j, n = 0, qSize = sizeof(struct ci13xxx_td)/sizeof(u32);
 
         dbg_trace("[%s] %p\n", __func__, buf);
         if (attr == NULL || buf == NULL) {
@@ -1303,22 +1315,20 @@ static ssize_t show_requests(struct device *dev, struct device_attribute *attr,
 
         spin_lock_irqsave(udc->lock, flags);
         for (i = 0; i < hw_ep_max; i++)
-                for (k = RX; k <= TX; k++)
-                        list_for_each(ptr, &udc->ci13xxx_ep[i].qh[k].queue)
-                        {
-                                req = list_entry(ptr,
-                                                 struct ci13xxx_req, queue);
+                list_for_each(ptr, &udc->ci13xxx_ep[i].qh.queue)
+                {
+                        req = list_entry(ptr, struct ci13xxx_req, queue);
+
+                        n += scnprintf(buf + n, PAGE_SIZE - n,
+                                        "EP=%02i: TD=%08X %s\n",
+                                        i % hw_ep_max/2, (u32)req->dma,
+                                        ((i < hw_ep_max/2) ? "RX" : "TX"));
 
+                        for (j = 0; j < qSize; j++)
                                 n += scnprintf(buf + n, PAGE_SIZE - n,
-                                               "EP=%02i: TD=%08X %s\n",
-                                               i, (u32)req->dma,
-                                               ((k == RX) ? "RX" : "TX"));
-
-                                for (j = 0; j < qSize; j++)
-                                        n += scnprintf(buf + n, PAGE_SIZE - n,
-                                                       " %04X:    %08X\n", j,
-                                                       *((u32 *)req->ptr + j));
-                        }
+                                                " %04X:    %08X\n", j,
+                                                *((u32 *)req->ptr + j));
+                }
         spin_unlock_irqrestore(udc->lock, flags);
 
         return n;
@@ -1467,12 +1477,12 @@ static int _hardware_enqueue(struct ci13xxx_ep *mEp, struct ci13xxx_req *mReq)
          *  At this point it's guaranteed exclusive access to qhead
          *  (endpt is not primed) so it's no need to use tripwire
          */
-        mEp->qh[mEp->dir].ptr->td.next   = mReq->dma;    /* TERMINATE = 0 */
-        mEp->qh[mEp->dir].ptr->td.token &= ~TD_STATUS;   /* clear status */
+        mEp->qh.ptr->td.next   = mReq->dma;    /* TERMINATE = 0 */
+        mEp->qh.ptr->td.token &= ~TD_STATUS;   /* clear status */
         if (mReq->req.zero == 0)
-                mEp->qh[mEp->dir].ptr->cap |=  QH_ZLT;
+                mEp->qh.ptr->cap |=  QH_ZLT;
         else
-                mEp->qh[mEp->dir].ptr->cap &= ~QH_ZLT;
+                mEp->qh.ptr->cap &= ~QH_ZLT;
 
         wmb();   /* synchronize before ep prime */
 
@@ -1542,11 +1552,11 @@ __acquires(mEp->lock)
 
         hw_ep_flush(mEp->num, mEp->dir);
 
-        while (!list_empty(&mEp->qh[mEp->dir].queue)) {
+        while (!list_empty(&mEp->qh.queue)) {
 
                 /* pop oldest request */
                 struct ci13xxx_req *mReq = \
-                        list_entry(mEp->qh[mEp->dir].queue.next,
+                        list_entry(mEp->qh.queue.next,
                                    struct ci13xxx_req, queue);
                 list_del_init(&mReq->queue);
                 mReq->req.status = -ESHUTDOWN;
@@ -1571,8 +1581,6 @@ static int _gadget_stop_activity(struct usb_gadget *gadget)
 {
         struct usb_ep *ep;
         struct ci13xxx    *udc = container_of(gadget, struct ci13xxx, gadget);
-        struct ci13xxx_ep *mEp = container_of(gadget->ep0,
-                                              struct ci13xxx_ep, ep);
 
         trace("%p", gadget);
 
@@ -1583,7 +1591,8 @@ static int _gadget_stop_activity(struct usb_gadget *gadget)
         gadget_for_each_ep(ep, gadget) {
                 usb_ep_fifo_flush(ep);
         }
-        usb_ep_fifo_flush(gadget->ep0);
+        usb_ep_fifo_flush(&udc->ep0out.ep);
+        usb_ep_fifo_flush(&udc->ep0in.ep);
 
         udc->driver->disconnect(gadget);
 
@@ -1591,11 +1600,12 @@ static int _gadget_stop_activity(struct usb_gadget *gadget)
         gadget_for_each_ep(ep, gadget) {
                 usb_ep_disable(ep);
         }
-        usb_ep_disable(gadget->ep0);
+        usb_ep_disable(&udc->ep0out.ep);
+        usb_ep_disable(&udc->ep0in.ep);
 
-        if (mEp->status != NULL) {
-                usb_ep_free_request(gadget->ep0, mEp->status);
-                mEp->status = NULL;
+        if (udc->status != NULL) {
+                usb_ep_free_request(&udc->ep0in.ep, udc->status);
+                udc->status = NULL;
         }
 
         return 0;
@@ -1614,7 +1624,6 @@ static void isr_reset_handler(struct ci13xxx *udc)
 __releases(udc->lock)
 __acquires(udc->lock)
 {
-        struct ci13xxx_ep *mEp = &udc->ci13xxx_ep[0];
         int retval;
 
         trace("%p", udc);
@@ -1635,11 +1644,15 @@ __acquires(udc->lock)
         if (retval)
                 goto done;
 
-        retval = usb_ep_enable(&mEp->ep, &ctrl_endpt_desc);
+        retval = usb_ep_enable(&udc->ep0out.ep, &ctrl_endpt_out_desc);
+        if (retval)
+                goto done;
+
+        retval = usb_ep_enable(&udc->ep0in.ep, &ctrl_endpt_in_desc);
         if (!retval) {
-                mEp->status = usb_ep_alloc_request(&mEp->ep, GFP_ATOMIC);
-                if (mEp->status == NULL) {
-                        usb_ep_disable(&mEp->ep);
+                udc->status = usb_ep_alloc_request(&udc->ep0in.ep, GFP_ATOMIC);
+                if (udc->status == NULL) {
+                        usb_ep_disable(&udc->ep0out.ep);
                         retval = -ENOMEM;
                 }
         }
@@ -1672,16 +1685,17 @@ static void isr_get_status_complete(struct usb_ep *ep, struct usb_request *req)
 
 /**
  * isr_get_status_response: get_status request response
- * @ep:    endpoint
+ * @udc: udc struct
  * @setup: setup request packet
  *
  * This function returns an error code
  */
-static int isr_get_status_response(struct ci13xxx_ep *mEp,
+static int isr_get_status_response(struct ci13xxx *udc,
                                    struct usb_ctrlrequest *setup)
 __releases(mEp->lock)
 __acquires(mEp->lock)
 {
+        struct ci13xxx_ep *mEp = &udc->ep0in;
         struct usb_request *req = NULL;
         gfp_t gfp_flags = GFP_ATOMIC;
         int dir, num, retval;
@@ -1736,27 +1750,23 @@ __acquires(mEp->lock)
 
 /**
  * isr_setup_status_phase: queues the status phase of a setup transation
- * @mEp: endpoint
+ * @udc: udc struct
  *
  * This function returns an error code
  */
-static int isr_setup_status_phase(struct ci13xxx_ep *mEp)
+static int isr_setup_status_phase(struct ci13xxx *udc)
 __releases(mEp->lock)
 __acquires(mEp->lock)
 {
         int retval;
+        struct ci13xxx_ep *mEp;
 
-        trace("%p", mEp);
-
-        /* mEp is always valid & configured */
-
-        if (mEp->type == USB_ENDPOINT_XFER_CONTROL)
-                mEp->dir = (mEp->dir == TX) ? RX : TX;
+        trace("%p", udc);
 
-        mEp->status->no_interrupt = 1;
+        mEp = (udc->ep0_dir == TX) ? &udc->ep0out : &udc->ep0in;
 
         spin_unlock(mEp->lock);
-        retval = usb_ep_queue(&mEp->ep, mEp->status, GFP_ATOMIC);
+        retval = usb_ep_queue(&mEp->ep, udc->status, GFP_ATOMIC);
         spin_lock(mEp->lock);
 
         return retval;
@@ -1778,11 +1788,11 @@ __acquires(mEp->lock)
 
         trace("%p", mEp);
 
-        if (list_empty(&mEp->qh[mEp->dir].queue))
+        if (list_empty(&mEp->qh.queue))
                 return -EINVAL;
 
         /* pop oldest request */
-        mReq = list_entry(mEp->qh[mEp->dir].queue.next,
+        mReq = list_entry(mEp->qh.queue.next,
                           struct ci13xxx_req, queue);
         list_del_init(&mReq->queue);
 
@@ -1794,10 +1804,10 @@ __acquires(mEp->lock)
 
         dbg_done(_usb_addr(mEp), mReq->ptr->token, retval);
 
-        if (!list_empty(&mEp->qh[mEp->dir].queue)) {
+        if (!list_empty(&mEp->qh.queue)) {
                 struct ci13xxx_req* mReqEnq;
 
-                mReqEnq = list_entry(mEp->qh[mEp->dir].queue.next,
+                mReqEnq = list_entry(mEp->qh.queue.next,
                                   struct ci13xxx_req, queue);
                 _hardware_enqueue(mEp, mReqEnq);
         }
@@ -1836,16 +1846,14 @@ __acquires(udc->lock)
                 int type, num, err = -EINVAL;
                 struct usb_ctrlrequest req;
 
-
                 if (mEp->desc == NULL)
                         continue;   /* not configured */
 
-                if ((mEp->dir == RX && hw_test_and_clear_complete(i)) ||
-                    (mEp->dir == TX && hw_test_and_clear_complete(i + 16))) {
+                if (hw_test_and_clear_complete(i)) {
                         err = isr_tr_complete_low(mEp);
                         if (mEp->type == USB_ENDPOINT_XFER_CONTROL) {
                                 if (err > 0)   /* needs status phase */
-                                        err = isr_setup_status_phase(mEp);
+                                        err = isr_setup_status_phase(udc);
                                 if (err < 0) {
                                         dbg_event(_usb_addr(mEp),
                                                   "ERROR", err);
@@ -1866,15 +1874,22 @@ __acquires(udc->lock)
                         continue;
                 }
 
+                /*
+                 * Flush data and handshake transactions of previous
+                 * setup packet.
+                 */
+                _ep_nuke(&udc->ep0out);
+                _ep_nuke(&udc->ep0in);
+
                 /* read_setup_packet */
                 do {
                         hw_test_and_set_setup_guard();
-                        memcpy(&req, &mEp->qh[RX].ptr->setup, sizeof(req));
+                        memcpy(&req, &mEp->qh.ptr->setup, sizeof(req));
                 } while (!hw_test_and_clear_setup_guard());
 
                 type = req.bRequestType;
 
-                mEp->dir = (type & USB_DIR_IN) ? TX : RX;
+                udc->ep0_dir = (type & USB_DIR_IN) ? TX : RX;
 
                 dbg_setup(_usb_addr(mEp), &req);
 
@@ -1895,7 +1910,7 @@ __acquires(udc->lock)
                                 if (err)
                                         break;
                         }
-                        err = isr_setup_status_phase(mEp);
+                        err = isr_setup_status_phase(udc);
                         break;
                 case USB_REQ_GET_STATUS:
                         if (type != (USB_DIR_IN|USB_RECIP_DEVICE)   &&
@@ -1905,7 +1920,7 @@ __acquires(udc->lock)
                         if (le16_to_cpu(req.wLength) != 2 ||
                             le16_to_cpu(req.wValue)  != 0)
                                 break;
-                        err = isr_get_status_response(mEp, &req);
+                        err = isr_get_status_response(udc, &req);
                         break;
                 case USB_REQ_SET_ADDRESS:
                         if (type != (USB_DIR_OUT|USB_RECIP_DEVICE))
@@ -1916,7 +1931,7 @@ __acquires(udc->lock)
                         err = hw_usb_set_address((u8)le16_to_cpu(req.wValue));
                         if (err)
                                 break;
-                        err = isr_setup_status_phase(mEp);
+                        err = isr_setup_status_phase(udc);
                         break;
                 case USB_REQ_SET_FEATURE:
                         if (type != (USB_DIR_OUT|USB_RECIP_ENDPOINT) &&
@@ -1932,12 +1947,12 @@ __acquires(udc->lock)
                         spin_lock(udc->lock);
                         if (err)
                                 break;
-                        err = isr_setup_status_phase(mEp);
+                        err = isr_setup_status_phase(udc);
                         break;
                 default:
 delegate:
                         if (req.wLength == 0)   /* no data phase */
-                                mEp->dir = TX;
+                                udc->ep0_dir = TX;
 
                         spin_unlock(udc->lock);
                         err = udc->driver->setup(&udc->gadget, &req);
@@ -1968,7 +1983,7 @@ static int ep_enable(struct usb_ep *ep,
                      const struct usb_endpoint_descriptor *desc)
 {
         struct ci13xxx_ep *mEp = container_of(ep, struct ci13xxx_ep, ep);
-        int direction, retval = 0;
+        int retval = 0;
         unsigned long flags;
 
         trace("%p, %p", ep, desc);
@@ -1982,7 +1997,7 @@ static int ep_enable(struct usb_ep *ep,
 
         mEp->desc = desc;
 
-        if (!list_empty(&mEp->qh[mEp->dir].queue))
+        if (!list_empty(&mEp->qh.queue))
                 warn("enabling a non-empty endpoint!");
 
         mEp->dir  = usb_endpoint_dir_in(desc) ? TX : RX;
@@ -1991,29 +2006,22 @@ static int ep_enable(struct usb_ep *ep,
 
         mEp->ep.maxpacket = __constant_le16_to_cpu(desc->wMaxPacketSize);
 
-        direction = mEp->dir;
-        do {
-                dbg_event(_usb_addr(mEp), "ENABLE", 0);
+        dbg_event(_usb_addr(mEp), "ENABLE", 0);
 
-                mEp->qh[mEp->dir].ptr->cap = 0;
+        mEp->qh.ptr->cap = 0;
 
-                if (mEp->type == USB_ENDPOINT_XFER_CONTROL)
-                        mEp->qh[mEp->dir].ptr->cap |=  QH_IOS;
-                else if (mEp->type == USB_ENDPOINT_XFER_ISOC)
-                        mEp->qh[mEp->dir].ptr->cap &= ~QH_MULT;
-                else
-                        mEp->qh[mEp->dir].ptr->cap &= ~QH_ZLT;
-
-                mEp->qh[mEp->dir].ptr->cap |=
-                        (mEp->ep.maxpacket << ffs_nr(QH_MAX_PKT)) & QH_MAX_PKT;
-                mEp->qh[mEp->dir].ptr->td.next |= TD_TERMINATE;   /* needed? */
-
-                retval |= hw_ep_enable(mEp->num, mEp->dir, mEp->type);
+        if (mEp->type == USB_ENDPOINT_XFER_CONTROL)
+                mEp->qh.ptr->cap |=  QH_IOS;
+        else if (mEp->type == USB_ENDPOINT_XFER_ISOC)
+                mEp->qh.ptr->cap &= ~QH_MULT;
+        else
+                mEp->qh.ptr->cap &= ~QH_ZLT;
 
-                if (mEp->type == USB_ENDPOINT_XFER_CONTROL)
-                        mEp->dir = (mEp->dir == TX) ? RX : TX;
+        mEp->qh.ptr->cap |=
+                (mEp->ep.maxpacket << ffs_nr(QH_MAX_PKT)) & QH_MAX_PKT;
+        mEp->qh.ptr->td.next |= TD_TERMINATE;   /* needed? */
 
-        } while (mEp->dir != direction);
+        retval |= hw_ep_enable(mEp->num, mEp->dir, mEp->type);
 
         spin_unlock_irqrestore(mEp->lock, flags);
         return retval;
@@ -2146,7 +2154,7 @@ static int ep_queue(struct usb_ep *ep, struct usb_request *req,
         spin_lock_irqsave(mEp->lock, flags);
 
         if (mEp->type == USB_ENDPOINT_XFER_CONTROL &&
-            !list_empty(&mEp->qh[mEp->dir].queue)) {
+            !list_empty(&mEp->qh.queue)) {
                 _ep_nuke(mEp);
                 retval = -EOVERFLOW;
                 warn("endpoint ctrl %X nuked", _usb_addr(mEp));
@@ -2170,9 +2178,9 @@ static int ep_queue(struct usb_ep *ep, struct usb_request *req,
         /* push request */
         mReq->req.status = -EINPROGRESS;
         mReq->req.actual = 0;
-        list_add_tail(&mReq->queue, &mEp->qh[mEp->dir].queue);
+        list_add_tail(&mReq->queue, &mEp->qh.queue);
 
-        if (list_is_singular(&mEp->qh[mEp->dir].queue))
+        if (list_is_singular(&mEp->qh.queue))
                 retval = _hardware_enqueue(mEp, mReq);
 
         if (retval == -EALREADY) {
@@ -2199,7 +2207,7 @@ static int ep_dequeue(struct usb_ep *ep, struct usb_request *req)
         trace("%p, %p", ep, req);
 
         if (ep == NULL || req == NULL || mEp->desc == NULL ||
-            list_empty(&mReq->queue)  || list_empty(&mEp->qh[mEp->dir].queue))
+            list_empty(&mReq->queue)  || list_empty(&mEp->qh.queue))
                 return -EINVAL;
 
         spin_lock_irqsave(mEp->lock, flags);
@@ -2244,7 +2252,7 @@ static int ep_set_halt(struct usb_ep *ep, int value)
 #ifndef STALL_IN
         /* g_file_storage MS compliant but g_zero fails chapter 9 compliance */
         if (value && mEp->type == USB_ENDPOINT_XFER_BULK && mEp->dir == TX &&
-            !list_empty(&mEp->qh[mEp->dir].queue)) {
+            !list_empty(&mEp->qh.queue)) {
                 spin_unlock_irqrestore(mEp->lock, flags);
                 return -EAGAIN;
         }
@@ -2355,7 +2363,7 @@ static int ci13xxx_vbus_session(struct usb_gadget *_gadget, int is_active)
                 if (is_active) {
                         pm_runtime_get_sync(&_gadget->dev);
                         hw_device_reset(udc);
-                        hw_device_state(udc->ci13xxx_ep[0].qh[RX].dma);
+                        hw_device_state(udc->ep0out.qh.dma);
                 } else {
                         hw_device_state(0);
                         if (udc->udc_driver->notify_event)
@@ -2390,7 +2398,8 @@ int usb_gadget_probe_driver(struct usb_gadget_driver *driver,
                 int (*bind)(struct usb_gadget *))
 {
         struct ci13xxx *udc = _udc;
-        unsigned long i, k, flags;
+        unsigned long flags;
+        int i, j;
         int retval = -ENOMEM;
 
         trace("%p", driver);
@@ -2427,45 +2436,46 @@ int usb_gadget_probe_driver(struct usb_gadget_driver *driver,
 
         info("hw_ep_max = %d", hw_ep_max);
 
-        udc->driver = driver;
         udc->gadget.dev.driver = NULL;
 
         retval = 0;
-        for (i = 0; i < hw_ep_max; i++) {
-                struct ci13xxx_ep *mEp = &udc->ci13xxx_ep[i];
+        for (i = 0; i < hw_ep_max/2; i++) {
+                for (j = RX; j <= TX; j++) {
+                        int k = i + j * hw_ep_max/2;
+                        struct ci13xxx_ep *mEp = &udc->ci13xxx_ep[k];
 
-                scnprintf(mEp->name, sizeof(mEp->name), "ep%i", (int)i);
+                        scnprintf(mEp->name, sizeof(mEp->name), "ep%i%s", i,
+                                        (j == TX)  ? "in" : "out");
 
-                mEp->lock         = udc->lock;
-                mEp->device       = &udc->gadget.dev;
-                mEp->td_pool      = udc->td_pool;
+                        mEp->lock         = udc->lock;
+                        mEp->device       = &udc->gadget.dev;
+                        mEp->td_pool      = udc->td_pool;
 
-                mEp->ep.name      = mEp->name;
-                mEp->ep.ops       = &usb_ep_ops;
-                mEp->ep.maxpacket = CTRL_PAYLOAD_MAX;
+                        mEp->ep.name      = mEp->name;
+                        mEp->ep.ops       = &usb_ep_ops;
+                        mEp->ep.maxpacket = CTRL_PAYLOAD_MAX;
 
-                /* this allocation cannot be random */
-                for (k = RX; k <= TX; k++) {
-                        INIT_LIST_HEAD(&mEp->qh[k].queue);
+                        INIT_LIST_HEAD(&mEp->qh.queue);
                         spin_unlock_irqrestore(udc->lock, flags);
-                        mEp->qh[k].ptr = dma_pool_alloc(udc->qh_pool,
-                                                        GFP_KERNEL,
-                                                        &mEp->qh[k].dma);
+                        mEp->qh.ptr = dma_pool_alloc(udc->qh_pool, GFP_KERNEL,
+                                        &mEp->qh.dma);
                         spin_lock_irqsave(udc->lock, flags);
-                        if (mEp->qh[k].ptr == NULL)
+                        if (mEp->qh.ptr == NULL)
                                 retval = -ENOMEM;
                         else
-                                memset(mEp->qh[k].ptr, 0,
-                                       sizeof(*mEp->qh[k].ptr));
-                }
-                if (i == 0)
-                        udc->gadget.ep0 = &mEp->ep;
-                else
+                                memset(mEp->qh.ptr, 0, sizeof(*mEp->qh.ptr));
+
+                        /* skip ep0 out and in endpoints */
+                        if (i == 0)
+                                continue;
+
                         list_add_tail(&mEp->ep.ep_list, &udc->gadget.ep_list);
+                }
         }
         if (retval)
                 goto done;
 
+        udc->gadget.ep0 = &udc->ep0in.ep;
         /* bind gadget */
         driver->driver.bus     = NULL;
         udc->gadget.dev.driver = &driver->driver;
@@ -2479,6 +2489,7 @@ int usb_gadget_probe_driver(struct usb_gadget_driver *driver,
                 goto done;
         }
 
+        udc->driver = driver;
         pm_runtime_get_sync(&udc->gadget.dev);
         if (udc->udc_driver->flags & CI13XXX_PULLUP_ON_VBUS) {
                 if (udc->vbus_active) {
@@ -2490,14 +2501,12 @@ int usb_gadget_probe_driver(struct usb_gadget_driver *driver,
                 }
         }
 
-        retval = hw_device_state(udc->ci13xxx_ep[0].qh[RX].dma);
+        retval = hw_device_state(udc->ep0out.qh.dma);
         if (retval)
                 pm_runtime_put_sync(&udc->gadget.dev);
 
  done:
         spin_unlock_irqrestore(udc->lock, flags);
-        if (retval)
-                usb_gadget_unregister_driver(driver);
         return retval;
 }
 EXPORT_SYMBOL(usb_gadget_probe_driver);
@@ -2510,7 +2519,7 @@ EXPORT_SYMBOL(usb_gadget_probe_driver);
 int usb_gadget_unregister_driver(struct usb_gadget_driver *driver)
 {
         struct ci13xxx *udc = _udc;
-        unsigned long i, k, flags;
+        unsigned long i, flags;
 
         trace("%p", driver);
 
@@ -2546,17 +2555,14 @@ int usb_gadget_unregister_driver(struct usb_gadget_driver *driver)
         for (i = 0; i < hw_ep_max; i++) {
                 struct ci13xxx_ep *mEp = &udc->ci13xxx_ep[i];
 
-                if (i == 0)
-                        udc->gadget.ep0 = NULL;
-                else if (!list_empty(&mEp->ep.ep_list))
+                if (!list_empty(&mEp->ep.ep_list))
                         list_del_init(&mEp->ep.ep_list);
 
-                for (k = RX; k <= TX; k++)
-                        if (mEp->qh[k].ptr != NULL)
-                                dma_pool_free(udc->qh_pool,
-                                              mEp->qh[k].ptr, mEp->qh[k].dma);
+                if (mEp->qh.ptr != NULL)
+                        dma_pool_free(udc->qh_pool, mEp->qh.ptr, mEp->qh.dma);
         }
 
+        udc->gadget.ep0 = NULL;
         udc->driver = NULL;
 
         spin_unlock_irqrestore(udc->lock, flags);
diff --git a/drivers/usb/gadget/ci13xxx_udc.h b/drivers/usb/gadget/ci13xxx_udc.h
index f61fed07f76b..a2492b65f98c 100644
--- a/drivers/usb/gadget/ci13xxx_udc.h
+++ b/drivers/usb/gadget/ci13xxx_udc.h
@@ -20,7 +20,7 @@
  * DEFINE
  *****************************************************************************/
 #define CI13XXX_PAGE_SIZE  4096ul /* page size for TD's */
-#define ENDPT_MAX          (16)
+#define ENDPT_MAX          (32)
 #define CTRL_PAYLOAD_MAX   (64)
 #define RX        (0)  /* similar to USB_DIR_OUT but can be used as an index */
 #define TX        (1)  /* similar to USB_DIR_IN  but can be used as an index */
@@ -88,8 +88,7 @@ struct ci13xxx_ep {
                 struct list_head   queue;
                 struct ci13xxx_qh *ptr;
                 dma_addr_t         dma;
-        }                                      qh[2];
-        struct usb_request                    *status;
+        }                                      qh;
         int                                    wedge;
 
         /* global resources */
@@ -119,9 +118,13 @@ struct ci13xxx {
 
         struct dma_pool           *qh_pool;   /* DMA pool for queue heads */
         struct dma_pool           *td_pool;   /* DMA pool for transfer descs */
+        struct usb_request        *status;    /* ep0 status request */
 
         struct usb_gadget          gadget;     /* USB slave device */
         struct ci13xxx_ep          ci13xxx_ep[ENDPT_MAX]; /* extended endpts */
+        u32                        ep0_dir;    /* ep0 direction */
+#define ep0out ci13xxx_ep[0]
+#define ep0in  ci13xxx_ep[16]
 
         struct usb_gadget_driver  *driver;     /* 3rd party gadget driver */
         struct ci13xxx_udc_driver *udc_driver; /* device controller driver */
diff --git a/drivers/usb/gadget/composite.c b/drivers/usb/gadget/composite.c
index f6ff8456d52d..1ba4befe336b 100644
--- a/drivers/usb/gadget/composite.c
+++ b/drivers/usb/gadget/composite.c
@@ -928,8 +928,9 @@ unknown:
                  */
                 switch (ctrl->bRequestType & USB_RECIP_MASK) {
                 case USB_RECIP_INTERFACE:
-                        if (cdev->config)
-                                f = cdev->config->interface[intf];
+                        if (!cdev->config || w_index >= MAX_CONFIG_INTERFACES)
+                                break;
+                        f = cdev->config->interface[intf];
                         break;
 
                 case USB_RECIP_ENDPOINT:
diff --git a/drivers/usb/gadget/pch_udc.c b/drivers/usb/gadget/pch_udc.c
index 0c8dd81dddca..b120dbb64d0f 100644
--- a/drivers/usb/gadget/pch_udc.c
+++ b/drivers/usb/gadget/pch_udc.c
@@ -198,10 +198,10 @@
 #define PCH_UDC_BRLEN           0x0F    /* Burst length */
 #define PCH_UDC_THLEN           0x1F    /* Threshold length */
 /* Value of EP Buffer Size */
-#define UDC_EP0IN_BUFF_SIZE     64
-#define UDC_EPIN_BUFF_SIZE      512
-#define UDC_EP0OUT_BUFF_SIZE    64
-#define UDC_EPOUT_BUFF_SIZE     512
+#define UDC_EP0IN_BUFF_SIZE     16
+#define UDC_EPIN_BUFF_SIZE      256
+#define UDC_EP0OUT_BUFF_SIZE    16
+#define UDC_EPOUT_BUFF_SIZE     256
 /* Value of EP maximum packet size */
 #define UDC_EP0IN_MAX_PKT_SIZE  64
 #define UDC_EP0OUT_MAX_PKT_SIZE 64
@@ -351,7 +351,7 @@ struct pch_udc_dev {
         struct pci_pool         *data_requests;
         struct pci_pool         *stp_requests;
         dma_addr_t                      dma_addr;
-        unsigned long                   ep0out_buf[64];
+        void                            *ep0out_buf;
         struct usb_ctrlrequest          setup_data;
         unsigned long                   phys_addr;
         void __iomem                    *base_addr;
@@ -361,6 +361,8 @@ struct pch_udc_dev {
 
 #define PCH_UDC_PCI_BAR                 1
 #define PCI_DEVICE_ID_INTEL_EG20T_UDC   0x8808
+#define PCI_VENDOR_ID_ROHM              0x10DB
+#define PCI_DEVICE_ID_ML7213_IOH_UDC    0x801D
 
 static const char       ep0_string[] = "ep0in";
 static DEFINE_SPINLOCK(udc_stall_spinlock);     /* stall spin lock */
@@ -1219,11 +1221,11 @@ static void complete_req(struct pch_udc_ep *ep, struct pch_udc_request *req,
         dev = ep->dev;
         if (req->dma_mapped) {
                 if (ep->in)
-                        pci_unmap_single(dev->pdev, req->req.dma,
-                                         req->req.length, PCI_DMA_TODEVICE);
+                        dma_unmap_single(&dev->pdev->dev, req->req.dma,
+                                         req->req.length, DMA_TO_DEVICE);
                 else
-                        pci_unmap_single(dev->pdev, req->req.dma,
-                                         req->req.length, PCI_DMA_FROMDEVICE);
+                        dma_unmap_single(&dev->pdev->dev, req->req.dma,
+                                         req->req.length, DMA_FROM_DEVICE);
                 req->dma_mapped = 0;
                 req->req.dma = DMA_ADDR_INVALID;
         }
@@ -1414,7 +1416,6 @@ static void pch_udc_start_rxrequest(struct pch_udc_ep *ep,
 
         pch_udc_clear_dma(ep->dev, DMA_DIR_RX);
         td_data = req->td_data;
-        ep->td_data = req->td_data;
         /* Set the status bits for all descriptors */
         while (1) {
                 td_data->status = (td_data->status & ~PCH_UDC_BUFF_STS) |
@@ -1613,15 +1614,19 @@ static int pch_udc_pcd_queue(struct usb_ep *usbep, struct usb_request *usbreq,
         if (usbreq->length &&
             ((usbreq->dma == DMA_ADDR_INVALID) || !usbreq->dma)) {
                 if (ep->in)
-                        usbreq->dma = pci_map_single(dev->pdev, usbreq->buf,
-                                        usbreq->length, PCI_DMA_TODEVICE);
+                        usbreq->dma = dma_map_single(&dev->pdev->dev,
+                                                     usbreq->buf,
+                                                     usbreq->length,
+                                                     DMA_TO_DEVICE);
                 else
-                        usbreq->dma = pci_map_single(dev->pdev, usbreq->buf,
-                                        usbreq->length, PCI_DMA_FROMDEVICE);
+                        usbreq->dma = dma_map_single(&dev->pdev->dev,
+                                                     usbreq->buf,
+                                                     usbreq->length,
+                                                     DMA_FROM_DEVICE);
                 req->dma_mapped = 1;
         }
         if (usbreq->length > 0) {
-                retval = prepare_dma(ep, req, gfp);
+                retval = prepare_dma(ep, req, GFP_ATOMIC);
                 if (retval)
                         goto probe_end;
         }
@@ -1646,7 +1651,6 @@ static int pch_udc_pcd_queue(struct usb_ep *usbep, struct usb_request *usbreq,
                         pch_udc_wait_ep_stall(ep);
                         pch_udc_ep_clear_nak(ep);
                         pch_udc_enable_ep_interrupts(ep->dev, (1 << ep->num));
-                        pch_udc_set_dma(dev, DMA_DIR_TX);
                 }
         }
         /* Now add this request to the ep's pending requests */
@@ -1926,6 +1930,7 @@ static void pch_udc_complete_receiver(struct pch_udc_ep *ep)
             PCH_UDC_BS_DMA_DONE)
                 return;
         pch_udc_clear_dma(ep->dev, DMA_DIR_RX);
+        pch_udc_ep_set_ddptr(ep, 0);
         if ((req->td_data_last->status & PCH_UDC_RXTX_STS) !=
             PCH_UDC_RTS_SUCC) {
                 dev_err(&dev->pdev->dev, "Invalid RXTX status (0x%08x) "
@@ -1963,7 +1968,7 @@ static void pch_udc_svc_data_in(struct pch_udc_dev *dev, int ep_num)
         u32     epsts;
         struct pch_udc_ep       *ep;
 
-        ep = &dev->ep[2*ep_num];
+        ep = &dev->ep[UDC_EPIN_IDX(ep_num)];
         epsts = ep->epsts;
         ep->epsts = 0;
 
@@ -2008,7 +2013,7 @@ static void pch_udc_svc_data_out(struct pch_udc_dev *dev, int ep_num)
         struct pch_udc_ep               *ep;
         struct pch_udc_request          *req = NULL;
 
-        ep = &dev->ep[2*ep_num + 1];
+        ep = &dev->ep[UDC_EPOUT_IDX(ep_num)];
         epsts = ep->epsts;
         ep->epsts = 0;
 
@@ -2025,10 +2030,11 @@ static void pch_udc_svc_data_out(struct pch_udc_dev *dev, int ep_num)
         }
         if (epsts & UDC_EPSTS_HE)
                 return;
-        if (epsts & UDC_EPSTS_RSS)
+        if (epsts & UDC_EPSTS_RSS) {
                 pch_udc_ep_set_stall(ep);
                 pch_udc_enable_ep_interrupts(ep->dev,
                                              PCH_UDC_EPINT(ep->in, ep->num));
+        }
         if (epsts & UDC_EPSTS_RCS) {
                 if (!dev->prot_stall) {
                         pch_udc_ep_clear_stall(ep);
@@ -2060,8 +2066,10 @@ static void pch_udc_svc_control_in(struct pch_udc_dev *dev)
 {
         u32     epsts;
         struct pch_udc_ep       *ep;
+        struct pch_udc_ep       *ep_out;
 
         ep = &dev->ep[UDC_EP0IN_IDX];
+        ep_out = &dev->ep[UDC_EP0OUT_IDX];
         epsts = ep->epsts;
         ep->epsts = 0;
 
@@ -2073,8 +2081,16 @@ static void pch_udc_svc_control_in(struct pch_udc_dev *dev)
                 return;
         if (epsts & UDC_EPSTS_HE)
                 return;
-        if ((epsts & UDC_EPSTS_TDC) && (!dev->stall))
+        if ((epsts & UDC_EPSTS_TDC) && (!dev->stall)) {
                 pch_udc_complete_transfer(ep);
+                pch_udc_clear_dma(dev, DMA_DIR_RX);
+                ep_out->td_data->status = (ep_out->td_data->status &
+                                        ~PCH_UDC_BUFF_STS) |
+                                        PCH_UDC_BS_HST_RDY;
+                pch_udc_ep_clear_nak(ep_out);
+                pch_udc_set_dma(dev, DMA_DIR_RX);
+                pch_udc_ep_set_rrdy(ep_out);
+        }
         /* On IN interrupt, provide data if we have any */
         if ((epsts & UDC_EPSTS_IN) && !(epsts & UDC_EPSTS_TDC) &&
              !(epsts & UDC_EPSTS_TXEMPTY))
@@ -2102,11 +2118,9 @@ static void pch_udc_svc_control_out(struct pch_udc_dev *dev)
                 dev->stall = 0;
                 dev->ep[UDC_EP0IN_IDX].halted = 0;
                 dev->ep[UDC_EP0OUT_IDX].halted = 0;
-                /* In data not ready */
-                pch_udc_ep_set_nak(&(dev->ep[UDC_EP0IN_IDX]));
                 dev->setup_data = ep->td_stp->request;
                 pch_udc_init_setup_buff(ep->td_stp);
-                pch_udc_clear_dma(dev, DMA_DIR_TX);
+                pch_udc_clear_dma(dev, DMA_DIR_RX);
                 pch_udc_ep_fifo_flush(&(dev->ep[UDC_EP0IN_IDX]),
                                       dev->ep[UDC_EP0IN_IDX].in);
                 if ((dev->setup_data.bRequestType & USB_DIR_IN))
@@ -2122,14 +2136,23 @@ static void pch_udc_svc_control_out(struct pch_udc_dev *dev)
                 setup_supported = dev->driver->setup(&dev->gadget,
                                                      &dev->setup_data);
                 spin_lock(&dev->lock);
+
+                if (dev->setup_data.bRequestType & USB_DIR_IN) {
+                        ep->td_data->status = (ep->td_data->status &
+                                                ~PCH_UDC_BUFF_STS) |
+                                                PCH_UDC_BS_HST_RDY;
+                        pch_udc_ep_set_ddptr(ep, ep->td_data_phys);
+                }
                 /* ep0 in returns data on IN phase */
                 if (setup_supported >= 0 && setup_supported <
                                             UDC_EP0IN_MAX_PKT_SIZE) {
                         pch_udc_ep_clear_nak(&(dev->ep[UDC_EP0IN_IDX]));
                         /* Gadget would have queued a request when
                          * we called the setup */
-                        pch_udc_set_dma(dev, DMA_DIR_RX);
-                        pch_udc_ep_clear_nak(ep);
+                        if (!(dev->setup_data.bRequestType & USB_DIR_IN)) {
+                                pch_udc_set_dma(dev, DMA_DIR_RX);
+                                pch_udc_ep_clear_nak(ep);
+                        }
                 } else if (setup_supported < 0) {
                         /* if unsupported request, then stall */
                         pch_udc_ep_set_stall(&(dev->ep[UDC_EP0IN_IDX]));
@@ -2142,22 +2165,13 @@ static void pch_udc_svc_control_out(struct pch_udc_dev *dev)
                 }
         } else if ((((stat & UDC_EPSTS_OUT_MASK) >> UDC_EPSTS_OUT_SHIFT) ==
                      UDC_EPSTS_OUT_DATA) && !dev->stall) {
-                if (list_empty(&ep->queue)) {
-                        dev_err(&dev->pdev->dev, "%s: No request\n", __func__);
-                        ep->td_data->status = (ep->td_data->status &
-                                               ~PCH_UDC_BUFF_STS) |
-                                               PCH_UDC_BS_HST_RDY;
-                        pch_udc_set_dma(dev, DMA_DIR_RX);
-                } else {
-                        /* control write */
-                        /* next function will pickuo an clear the status */
+                pch_udc_clear_dma(dev, DMA_DIR_RX);
+                pch_udc_ep_set_ddptr(ep, 0);
+                if (!list_empty(&ep->queue)) {
                         ep->epsts = stat;
-
-                        pch_udc_svc_data_out(dev, 0);
-                        /* re-program desc. pointer for possible ZLPs */
-                        pch_udc_ep_set_ddptr(ep, ep->td_data_phys);
-                        pch_udc_set_dma(dev, DMA_DIR_RX);
+                        pch_udc_svc_data_out(dev, PCH_UDC_EP0);
                 }
+                pch_udc_set_dma(dev, DMA_DIR_RX);
         }
         pch_udc_ep_set_rrdy(ep);
 }
@@ -2174,7 +2188,7 @@ static void pch_udc_postsvc_epinters(struct pch_udc_dev *dev, int ep_num)
         struct pch_udc_ep       *ep;
         struct pch_udc_request *req;
 
-        ep = &dev->ep[2*ep_num];
+        ep = &dev->ep[UDC_EPIN_IDX(ep_num)];
         if (!list_empty(&ep->queue)) {
                 req = list_entry(ep->queue.next, struct pch_udc_request, queue);
                 pch_udc_enable_ep_interrupts(ep->dev,
@@ -2196,13 +2210,13 @@ static void pch_udc_read_all_epstatus(struct pch_udc_dev *dev, u32 ep_intr)
         for (i = 0; i < PCH_UDC_USED_EP_NUM; i++) {
                 /* IN */
                 if (ep_intr & (0x1 << i)) {
-                        ep = &dev->ep[2*i];
+                        ep = &dev->ep[UDC_EPIN_IDX(i)];
                         ep->epsts = pch_udc_read_ep_status(ep);
                         pch_udc_clear_ep_status(ep, ep->epsts);
                 }
                 /* OUT */
                 if (ep_intr & (0x10000 << i)) {
-                        ep = &dev->ep[2*i+1];
+                        ep = &dev->ep[UDC_EPOUT_IDX(i)];
                         ep->epsts = pch_udc_read_ep_status(ep);
                         pch_udc_clear_ep_status(ep, ep->epsts);
                 }
@@ -2563,9 +2577,6 @@ static void pch_udc_pcd_reinit(struct pch_udc_dev *dev)
         dev->ep[UDC_EP0IN_IDX].ep.maxpacket = UDC_EP0IN_MAX_PKT_SIZE;
         dev->ep[UDC_EP0OUT_IDX].ep.maxpacket = UDC_EP0OUT_MAX_PKT_SIZE;
 
-        dev->dma_addr = pci_map_single(dev->pdev, dev->ep0out_buf, 256,
-                                  PCI_DMA_FROMDEVICE);
-
         /* remove ep0 in and out from the list.  They have own pointer */
         list_del_init(&dev->ep[UDC_EP0IN_IDX].ep.ep_list);
         list_del_init(&dev->ep[UDC_EP0OUT_IDX].ep.ep_list);
@@ -2637,6 +2648,13 @@ static int init_dma_pools(struct pch_udc_dev *dev)
         dev->ep[UDC_EP0IN_IDX].td_stp_phys = 0;
         dev->ep[UDC_EP0IN_IDX].td_data = NULL;
         dev->ep[UDC_EP0IN_IDX].td_data_phys = 0;
+
+        dev->ep0out_buf = kzalloc(UDC_EP0OUT_BUFF_SIZE * 4, GFP_KERNEL);
+        if (!dev->ep0out_buf)
+                return -ENOMEM;
+        dev->dma_addr = dma_map_single(&dev->pdev->dev, dev->ep0out_buf,
+                                       UDC_EP0OUT_BUFF_SIZE * 4,
+                                       DMA_FROM_DEVICE);
         return 0;
 }
 
@@ -2700,7 +2718,8 @@ int usb_gadget_unregister_driver(struct usb_gadget_driver *driver)
 
         pch_udc_disable_interrupts(dev, UDC_DEVINT_MSK);
 
-        /* Assues that there are no pending requets with this driver */
+        /* Assures that there are no pending requests with this driver */
+        driver->disconnect(&dev->gadget);
         driver->unbind(&dev->gadget);
         dev->gadget.dev.driver = NULL;
         dev->driver = NULL;
@@ -2750,6 +2769,11 @@ static void pch_udc_remove(struct pci_dev *pdev)
                 pci_pool_destroy(dev->stp_requests);
         }
 
+        if (dev->dma_addr)
+                dma_unmap_single(&dev->pdev->dev, dev->dma_addr,
+                                 UDC_EP0OUT_BUFF_SIZE * 4, DMA_FROM_DEVICE);
+        kfree(dev->ep0out_buf);
+
         pch_udc_exit(dev);
 
         if (dev->irq_registered)
@@ -2792,11 +2816,7 @@ static int pch_udc_resume(struct pci_dev *pdev)
         int ret;
 
         pci_set_power_state(pdev, PCI_D0);
-        ret = pci_restore_state(pdev);
-        if (ret) {
-                dev_err(&pdev->dev, "%s: pci_restore_state failed\n", __func__);
-                return ret;
-        }
+        pci_restore_state(pdev);
         ret = pci_enable_device(pdev);
         if (ret) {
                 dev_err(&pdev->dev, "%s: pci_enable_device failed\n", __func__);
@@ -2914,6 +2934,11 @@ static DEFINE_PCI_DEVICE_TABLE(pch_udc_pcidev_id) = {
                 .class = (PCI_CLASS_SERIAL_USB << 8) | 0xfe,
                 .class_mask = 0xffffffff,
         },
+        {
+                PCI_DEVICE(PCI_VENDOR_ID_ROHM, PCI_DEVICE_ID_ML7213_IOH_UDC),
+                .class = (PCI_CLASS_SERIAL_USB << 8) | 0xfe,
+                .class_mask = 0xffffffff,
+        },
         { 0 },
 };
 
diff --git a/drivers/usb/gadget/printer.c b/drivers/usb/gadget/printer.c
index 2fc8636316c5..12ff6cffedc9 100644
--- a/drivers/usb/gadget/printer.c
+++ b/drivers/usb/gadget/printer.c
@@ -131,31 +131,31 @@ static struct printer_dev usb_printer_gadget;
  * parameters are in UTF-8 (superset of ASCII's 7 bit characters).
  */
 
-static ushort __initdata idVendor;
+static ushort idVendor;
 module_param(idVendor, ushort, S_IRUGO);
 MODULE_PARM_DESC(idVendor, "USB Vendor ID");
 
-static ushort __initdata idProduct;
+static ushort idProduct;
 module_param(idProduct, ushort, S_IRUGO);
 MODULE_PARM_DESC(idProduct, "USB Product ID");
 
-static ushort __initdata bcdDevice;
+static ushort bcdDevice;
 module_param(bcdDevice, ushort, S_IRUGO);
 MODULE_PARM_DESC(bcdDevice, "USB Device version (BCD)");
 
-static char *__initdata iManufacturer;
+static char *iManufacturer;
 module_param(iManufacturer, charp, S_IRUGO);
 MODULE_PARM_DESC(iManufacturer, "USB Manufacturer string");
 
-static char *__initdata iProduct;
+static char *iProduct;
 module_param(iProduct, charp, S_IRUGO);
 MODULE_PARM_DESC(iProduct, "USB Product string");
 
-static char *__initdata iSerialNum;
+static char *iSerialNum;
 module_param(iSerialNum, charp, S_IRUGO);
 MODULE_PARM_DESC(iSerialNum, "1");
 
-static char *__initdata iPNPstring;
+static char *iPNPstring;
 module_param(iPNPstring, charp, S_IRUGO);
 MODULE_PARM_DESC(iPNPstring, "MFG:linux;MDL:g_printer;CLS:PRINTER;SN:1;");
 
@@ -1596,13 +1596,12 @@ cleanup(void)
         int status;
 
         mutex_lock(&usb_printer_gadget.lock_printer_io);
-        class_destroy(usb_gadget_class);
-        unregister_chrdev_region(g_printer_devno, 2);
-
         status = usb_gadget_unregister_driver(&printer_driver);
         if (status)
                 ERROR(dev, "usb_gadget_unregister_driver %x\n", status);
 
+        unregister_chrdev_region(g_printer_devno, 2);
+        class_destroy(usb_gadget_class);
         mutex_unlock(&usb_printer_gadget.lock_printer_io);
 }
 module_exit(cleanup);
diff --git a/drivers/usb/host/ehci-fsl.c b/drivers/usb/host/ehci-fsl.c
index 86e42892016d..5c761df7fa83 100644
--- a/drivers/usb/host/ehci-fsl.c
+++ b/drivers/usb/host/ehci-fsl.c
@@ -52,7 +52,6 @@ static int usb_hcd_fsl_probe(const struct hc_driver *driver,
         struct resource *res;
         int irq;
         int retval;
-        unsigned int temp;
 
         pr_debug("initializing FSL-SOC USB Controller\n");
 
@@ -126,18 +125,6 @@ static int usb_hcd_fsl_probe(const struct hc_driver *driver,
                 goto err3;
         }
 
-        /*
-         * Check if it is MPC5121 SoC, otherwise set pdata->have_sysif_regs
-         * flag for 83xx or 8536 system interface registers.
-         */
-        if (pdata->big_endian_mmio)
-                temp = in_be32(hcd->regs + FSL_SOC_USB_ID);
-        else
-                temp = in_le32(hcd->regs + FSL_SOC_USB_ID);
-
-        if ((temp & ID_MSK) != (~((temp & NID_MSK) >> 8) & ID_MSK))
-                pdata->have_sysif_regs = 1;
-
         /* Enable USB controller, 83xx or 8536 */
         if (pdata->have_sysif_regs)
                 setbits32(hcd->regs + FSL_SOC_USB_CTRL, 0x4);
diff --git a/drivers/usb/host/ehci-fsl.h b/drivers/usb/host/ehci-fsl.h
index 2c8353795226..3fabed33d940 100644
--- a/drivers/usb/host/ehci-fsl.h
+++ b/drivers/usb/host/ehci-fsl.h
@@ -19,9 +19,6 @@
 #define _EHCI_FSL_H
 
 /* offsets for the non-ehci registers in the FSL SOC USB controller */
-#define FSL_SOC_USB_ID          0x0
-#define ID_MSK                  0x3f
-#define NID_MSK                 0x3f00
 #define FSL_SOC_USB_ULPIVP      0x170
 #define FSL_SOC_USB_PORTSC1     0x184
 #define PORT_PTS_MSK            (3<<30)
diff --git a/drivers/usb/host/ehci-hcd.c b/drivers/usb/host/ehci-hcd.c
index 6fee3cd58efe..74dcf49bd015 100644
--- a/drivers/usb/host/ehci-hcd.c
+++ b/drivers/usb/host/ehci-hcd.c
@@ -572,6 +572,8 @@ static int ehci_init(struct usb_hcd *hcd)
         ehci->iaa_watchdog.function = ehci_iaa_watchdog;
         ehci->iaa_watchdog.data = (unsigned long) ehci;
 
+        hcc_params = ehci_readl(ehci, &ehci->caps->hcc_params);
+
         /*
          * hw default: 1K periodic list heads, one per frame.
          * periodic_size can shrink by USBCMD update if hcc_params allows.
@@ -579,11 +581,20 @@ static int ehci_init(struct usb_hcd *hcd)
         ehci->periodic_size = DEFAULT_I_TDPS;
         INIT_LIST_HEAD(&ehci->cached_itd_list);
         INIT_LIST_HEAD(&ehci->cached_sitd_list);
+
+        if (HCC_PGM_FRAMELISTLEN(hcc_params)) {
+                /* periodic schedule size can be smaller than default */
+                switch (EHCI_TUNE_FLS) {
+                case 0: ehci->periodic_size = 1024; break;
+                case 1: ehci->periodic_size = 512; break;
+                case 2: ehci->periodic_size = 256; break;
+                default:        BUG();
+                }
+        }
         if ((retval = ehci_mem_init(ehci, GFP_KERNEL)) < 0)
                 return retval;
 
         /* controllers may cache some of the periodic schedule ... */
-        hcc_params = ehci_readl(ehci, &ehci->caps->hcc_params);
         if (HCC_ISOC_CACHE(hcc_params))         // full frame cache
                 ehci->i_thresh = 2 + 8;
         else                                    // N microframes cached
@@ -637,12 +648,6 @@ static int ehci_init(struct usb_hcd *hcd)
                 /* periodic schedule size can be smaller than default */
                 temp &= ~(3 << 2);
                 temp |= (EHCI_TUNE_FLS << 2);
-                switch (EHCI_TUNE_FLS) {
-                case 0: ehci->periodic_size = 1024; break;
-                case 1: ehci->periodic_size = 512; break;
-                case 2: ehci->periodic_size = 256; break;
-                default:        BUG();
-                }
         }
         if (HCC_LPM(hcc_params)) {
                 /* support link power management EHCI 1.1 addendum */
diff --git a/drivers/usb/host/ehci-mxc.c b/drivers/usb/host/ehci-mxc.c
index fa59b26fc5bc..c8e360d7d975 100644
--- a/drivers/usb/host/ehci-mxc.c
+++ b/drivers/usb/host/ehci-mxc.c
@@ -21,10 +21,13 @@
 #include <linux/clk.h>
 #include <linux/delay.h>
 #include <linux/usb/otg.h>
+#include <linux/usb/ulpi.h>
 #include <linux/slab.h>
 
 #include <mach/mxc_ehci.h>
 
+#include <asm/mach-types.h>
+
 #define ULPI_VIEWPORT_OFFSET    0x170
 
 struct ehci_mxc_priv {
@@ -114,6 +117,7 @@ static int ehci_mxc_drv_probe(struct platform_device *pdev)
         struct usb_hcd *hcd;
         struct resource *res;
         int irq, ret;
+        unsigned int flags;
         struct ehci_mxc_priv *priv;
         struct device *dev = &pdev->dev;
         struct ehci_hcd *ehci;
@@ -177,8 +181,8 @@ static int ehci_mxc_drv_probe(struct platform_device *pdev)
                 clk_enable(priv->ahbclk);
         }
 
-        /* "dr" device has its own clock */
-        if (pdev->id == 0) {
+        /* "dr" device has its own clock on i.MX51 */
+        if (cpu_is_mx51() && (pdev->id == 0)) {
                 priv->phy1clk = clk_get(dev, "usb_phy1");
                 if (IS_ERR(priv->phy1clk)) {
                         ret = PTR_ERR(priv->phy1clk);
@@ -240,6 +244,23 @@ static int ehci_mxc_drv_probe(struct platform_device *pdev)
         if (ret)
                 goto err_add;
 
+        if (pdata->otg) {
+                /*
+                 * efikamx and efikasb have some hardware bug which is
+                 * preventing usb to work unless CHRGVBUS is set.
+                 * It's in violation of USB specs
+                 */
+                if (machine_is_mx51_efikamx() || machine_is_mx51_efikasb()) {
+                        flags = otg_io_read(pdata->otg, ULPI_OTG_CTRL);
+                        flags |= ULPI_OTG_CTRL_CHRGVBUS;
+                        ret = otg_io_write(pdata->otg, flags, ULPI_OTG_CTRL);
+                        if (ret) {
+                                dev_err(dev, "unable to set CHRVBUS\n");
+                                goto err_add;
+                        }
+                }
+        }
+
         return 0;
 
 err_add:
diff --git a/drivers/usb/host/ehci-pci.c b/drivers/usb/host/ehci-pci.c
index 76179c39c0e3..bed07d4aab06 100644
--- a/drivers/usb/host/ehci-pci.c
+++ b/drivers/usb/host/ehci-pci.c
@@ -44,28 +44,35 @@ static int ehci_pci_reinit(struct ehci_hcd *ehci, struct pci_dev *pdev)
         return 0;
 }
 
-static int ehci_quirk_amd_SB800(struct ehci_hcd *ehci)
+static int ehci_quirk_amd_hudson(struct ehci_hcd *ehci)
 {
         struct pci_dev *amd_smbus_dev;
         u8 rev = 0;
 
         amd_smbus_dev = pci_get_device(PCI_VENDOR_ID_ATI, 0x4385, NULL);
-        if (!amd_smbus_dev)
-                return 0;
-
-        pci_read_config_byte(amd_smbus_dev, PCI_REVISION_ID, &rev);
-        if (rev < 0x40) {
-                pci_dev_put(amd_smbus_dev);
-                amd_smbus_dev = NULL;
-                return 0;
+        if (amd_smbus_dev) {
+                pci_read_config_byte(amd_smbus_dev, PCI_REVISION_ID, &rev);
+                if (rev < 0x40) {
+                        pci_dev_put(amd_smbus_dev);
+                        amd_smbus_dev = NULL;
+                        return 0;
+                }
+        } else {
+                amd_smbus_dev = pci_get_device(PCI_VENDOR_ID_AMD, 0x780b, NULL);
+                if (!amd_smbus_dev)
+                        return 0;
+                pci_read_config_byte(amd_smbus_dev, PCI_REVISION_ID, &rev);
+                if (rev < 0x11 || rev > 0x18) {
+                        pci_dev_put(amd_smbus_dev);
+                        amd_smbus_dev = NULL;
+                        return 0;
+                }
         }
 
         if (!amd_nb_dev)
                 amd_nb_dev = pci_get_device(PCI_VENDOR_ID_AMD, 0x1510, NULL);
-        if (!amd_nb_dev)
-                ehci_err(ehci, "QUIRK: unable to get AMD NB device\n");
 
-        ehci_info(ehci, "QUIRK: Enable AMD SB800 L1 fix\n");
+        ehci_info(ehci, "QUIRK: Enable exception for AMD Hudson ASPM\n");
 
         pci_dev_put(amd_smbus_dev);
         amd_smbus_dev = NULL;
@@ -131,7 +138,7 @@ static int ehci_pci_setup(struct usb_hcd *hcd)
         /* cache this readonly data; minimize chip reads */
         ehci->hcs_params = ehci_readl(ehci, &ehci->caps->hcs_params);
 
-        if (ehci_quirk_amd_SB800(ehci))
+        if (ehci_quirk_amd_hudson(ehci))
                 ehci->amd_l1_fix = 1;
 
         retval = ehci_halt(ehci);
diff --git a/drivers/usb/host/fsl-mph-dr-of.c b/drivers/usb/host/fsl-mph-dr-of.c
index 574b99ea0700..79a66d622f9c 100644
--- a/drivers/usb/host/fsl-mph-dr-of.c
+++ b/drivers/usb/host/fsl-mph-dr-of.c
@@ -262,19 +262,24 @@ static void fsl_usb2_mpc5121_exit(struct platform_device *pdev)
         }
 }
 
-struct fsl_usb2_platform_data fsl_usb2_mpc5121_pd = {
+static struct fsl_usb2_platform_data fsl_usb2_mpc5121_pd = {
         .big_endian_desc = 1,
         .big_endian_mmio = 1,
         .es = 1,
+        .have_sysif_regs = 0,
         .le_setup_buf = 1,
         .init = fsl_usb2_mpc5121_init,
         .exit = fsl_usb2_mpc5121_exit,
 };
 #endif /* CONFIG_PPC_MPC512x */
 
+static struct fsl_usb2_platform_data fsl_usb2_mpc8xxx_pd = {
+        .have_sysif_regs = 1,
+};
+
 static const struct of_device_id fsl_usb2_mph_dr_of_match[] = {
-        { .compatible = "fsl-usb2-mph", },
-        { .compatible = "fsl-usb2-dr", },
+        { .compatible = "fsl-usb2-mph", .data = &fsl_usb2_mpc8xxx_pd, },
+        { .compatible = "fsl-usb2-dr", .data = &fsl_usb2_mpc8xxx_pd, },
 #ifdef CONFIG_PPC_MPC512x
         { .compatible = "fsl,mpc5121-usb2-dr", .data = &fsl_usb2_mpc5121_pd, },
 #endif
diff --git a/drivers/usb/host/xhci-ring.c b/drivers/usb/host/xhci-ring.c
index df558f6f84e3..3e8211c1ce5a 100644
--- a/drivers/usb/host/xhci-ring.c
+++ b/drivers/usb/host/xhci-ring.c
@@ -308,11 +308,8 @@ static int room_on_ring(struct xhci_hcd *xhci, struct xhci_ring *ring,
 /* Ring the host controller doorbell after placing a command on the ring */
 void xhci_ring_cmd_db(struct xhci_hcd *xhci)
 {
-        u32 temp;
-
         xhci_dbg(xhci, "// Ding dong!\n");
-        temp = xhci_readl(xhci, &xhci->dba->doorbell[0]) & DB_MASK;
-        xhci_writel(xhci, temp | DB_TARGET_HOST, &xhci->dba->doorbell[0]);
+        xhci_writel(xhci, DB_VALUE_HOST, &xhci->dba->doorbell[0]);
         /* Flush PCI posted writes */
         xhci_readl(xhci, &xhci->dba->doorbell[0]);
 }
@@ -322,26 +319,24 @@ void xhci_ring_ep_doorbell(struct xhci_hcd *xhci,
                 unsigned int ep_index,
                 unsigned int stream_id)
 {
-        struct xhci_virt_ep *ep;
-        unsigned int ep_state;
-        u32 field;
         __u32 __iomem *db_addr = &xhci->dba->doorbell[slot_id];
+        struct xhci_virt_ep *ep = &xhci->devs[slot_id]->eps[ep_index];
+        unsigned int ep_state = ep->ep_state;
 
-        ep = &xhci->devs[slot_id]->eps[ep_index];
-        ep_state = ep->ep_state;
         /* Don't ring the doorbell for this endpoint if there are pending
-         * cancellations because the we don't want to interrupt processing.
+         * cancellations because we don't want to interrupt processing.
          * We don't want to restart any stream rings if there's a set dequeue
          * pointer command pending because the device can choose to start any
          * stream once the endpoint is on the HW schedule.
          * FIXME - check all the stream rings for pending cancellations.
          */
-        if (!(ep_state & EP_HALT_PENDING) && !(ep_state & SET_DEQ_PENDING)
-                        && !(ep_state & EP_HALTED)) {
-                field = xhci_readl(xhci, db_addr) & DB_MASK;
-                field |= EPI_TO_DB(ep_index) | STREAM_ID_TO_DB(stream_id);
-                xhci_writel(xhci, field, db_addr);
-        }
+        if ((ep_state & EP_HALT_PENDING) || (ep_state & SET_DEQ_PENDING) ||
+            (ep_state & EP_HALTED))
+                return;
+        xhci_writel(xhci, DB_VALUE(ep_index, stream_id), db_addr);
+        /* The CPU has better things to do at this point than wait for a
+         * write-posting flush.  It'll get there soon enough.
+         */
 }
 
 /* Ring the doorbell for any rings with pending URBs */
@@ -1188,7 +1183,7 @@ static void handle_port_status(struct xhci_hcd *xhci,
 
         addr = &xhci->op_regs->port_status_base + NUM_PORT_REGS * (port_id - 1);
         temp = xhci_readl(xhci, addr);
-        if ((temp & PORT_CONNECT) && (hcd->state == HC_STATE_SUSPENDED)) {
+        if (hcd->state == HC_STATE_SUSPENDED) {
                 xhci_dbg(xhci, "resume root hub\n");
                 usb_hcd_resume_root_hub(hcd);
         }
@@ -1710,8 +1705,7 @@ static int process_bulk_intr_td(struct xhci_hcd *xhci, struct xhci_td *td,
                 /* Others already handled above */
                 break;
         }
-        dev_dbg(&td->urb->dev->dev,
-                        "ep %#x - asked for %d bytes, "
+        xhci_dbg(xhci, "ep %#x - asked for %d bytes, "
                         "%d bytes untransferred\n",
                         td->urb->ep->desc.bEndpointAddress,
                         td->urb->transfer_buffer_length,
@@ -2389,7 +2383,8 @@ static unsigned int count_sg_trbs_needed(struct xhci_hcd *xhci, struct urb *urb)
         }
         xhci_dbg(xhci, "\n");
         if (!in_interrupt())
-                dev_dbg(&urb->dev->dev, "ep %#x - urb len = %d, sglist used, num_trbs = %d\n",
+                xhci_dbg(xhci, "ep %#x - urb len = %d, sglist used, "
+                                "num_trbs = %d\n",
                                 urb->ep->desc.bEndpointAddress,
                                 urb->transfer_buffer_length,
                                 num_trbs);
@@ -2414,14 +2409,17 @@ static void check_trb_math(struct urb *urb, int num_trbs, int running_total)
 
 static void giveback_first_trb(struct xhci_hcd *xhci, int slot_id,
                 unsigned int ep_index, unsigned int stream_id, int start_cycle,
-                struct xhci_generic_trb *start_trb, struct xhci_td *td)
+                struct xhci_generic_trb *start_trb)
 {
         /*
          * Pass all the TRBs to the hardware at once and make sure this write
          * isn't reordered.
          */
         wmb();
-        start_trb->field[3] |= start_cycle;
+        if (start_cycle)
+                start_trb->field[3] |= start_cycle;
+        else
+                start_trb->field[3] &= ~0x1;
         xhci_ring_ep_doorbell(xhci, slot_id, ep_index, stream_id);
 }
 
@@ -2449,7 +2447,7 @@ int xhci_queue_intr_tx(struct xhci_hcd *xhci, gfp_t mem_flags,
          * to set the polling interval (once the API is added).
          */
         if (xhci_interval != ep_interval) {
-                if (!printk_ratelimit())
+                if (printk_ratelimit())
                         dev_dbg(&urb->dev->dev, "Driver uses different interval"
                                         " (%d microframe%s) than xHCI "
                                         "(%d microframe%s)\n",
@@ -2551,9 +2549,11 @@ static int queue_bulk_sg_tx(struct xhci_hcd *xhci, gfp_t mem_flags,
                 u32 remainder = 0;
 
                 /* Don't change the cycle bit of the first TRB until later */
-                if (first_trb)
+                if (first_trb) {
                         first_trb = false;
-                else
+                        if (start_cycle == 0)
+                                field |= 0x1;
+                } else
                         field |= ep_ring->cycle_state;
 
                 /* Chain all the TRBs together; clear the chain bit in the last
@@ -2625,7 +2625,7 @@ static int queue_bulk_sg_tx(struct xhci_hcd *xhci, gfp_t mem_flags,
 
         check_trb_math(urb, num_trbs, running_total);
         giveback_first_trb(xhci, slot_id, ep_index, urb->stream_id,
-                        start_cycle, start_trb, td);
+                        start_cycle, start_trb);
         return 0;
 }
 
@@ -2671,7 +2671,8 @@ int xhci_queue_bulk_tx(struct xhci_hcd *xhci, gfp_t mem_flags,
         /* FIXME: this doesn't deal with URB_ZERO_PACKET - need one more */
 
         if (!in_interrupt())
-                dev_dbg(&urb->dev->dev, "ep %#x - urb len = %#x (%d), addr = %#llx, num_trbs = %d\n",
+                xhci_dbg(xhci, "ep %#x - urb len = %#x (%d), "
+                                "addr = %#llx, num_trbs = %d\n",
                                 urb->ep->desc.bEndpointAddress,
                                 urb->transfer_buffer_length,
                                 urb->transfer_buffer_length,
@@ -2711,9 +2712,11 @@ int xhci_queue_bulk_tx(struct xhci_hcd *xhci, gfp_t mem_flags,
                 field = 0;
 
                 /* Don't change the cycle bit of the first TRB until later */
-                if (first_trb)
+                if (first_trb) {
                         first_trb = false;
-                else
+                        if (start_cycle == 0)
+                                field |= 0x1;
+                } else
                         field |= ep_ring->cycle_state;
 
                 /* Chain all the TRBs together; clear the chain bit in the last
@@ -2757,7 +2760,7 @@ int xhci_queue_bulk_tx(struct xhci_hcd *xhci, gfp_t mem_flags,
 
         check_trb_math(urb, num_trbs, running_total);
         giveback_first_trb(xhci, slot_id, ep_index, urb->stream_id,
-                        start_cycle, start_trb, td);
+                        start_cycle, start_trb);
         return 0;
 }
 
@@ -2818,13 +2821,17 @@ int xhci_queue_ctrl_tx(struct xhci_hcd *xhci, gfp_t mem_flags,
         /* Queue setup TRB - see section 6.4.1.2.1 */
         /* FIXME better way to translate setup_packet into two u32 fields? */
         setup = (struct usb_ctrlrequest *) urb->setup_packet;
+        field = 0;
+        field |= TRB_IDT | TRB_TYPE(TRB_SETUP);
+        if (start_cycle == 0)
+                field |= 0x1;
         queue_trb(xhci, ep_ring, false, true,
                         /* FIXME endianness is probably going to bite my ass here. */
                         setup->bRequestType | setup->bRequest << 8 | setup->wValue << 16,
                         setup->wIndex | setup->wLength << 16,
                         TRB_LEN(8) | TRB_INTR_TARGET(0),
                         /* Immediate data in pointer */
-                        TRB_IDT | TRB_TYPE(TRB_SETUP));
+                        field);
 
         /* If there's data, queue data TRBs */
         field = 0;
@@ -2859,7 +2866,7 @@ int xhci_queue_ctrl_tx(struct xhci_hcd *xhci, gfp_t mem_flags,
                         field | TRB_IOC | TRB_TYPE(TRB_STATUS) | ep_ring->cycle_state);
 
         giveback_first_trb(xhci, slot_id, ep_index, 0,
-                        start_cycle, start_trb, td);
+                        start_cycle, start_trb);
         return 0;
 }
 
@@ -2900,6 +2907,7 @@ static int xhci_queue_isoc_tx(struct xhci_hcd *xhci, gfp_t mem_flags,
         int running_total, trb_buff_len, td_len, td_remain_len, ret;
         u64 start_addr, addr;
         int i, j;
+        bool more_trbs_coming;
 
         ep_ring = xhci->devs[slot_id]->eps[ep_index].ring;
 
@@ -2910,7 +2918,7 @@ static int xhci_queue_isoc_tx(struct xhci_hcd *xhci, gfp_t mem_flags,
         }
 
         if (!in_interrupt())
-                dev_dbg(&urb->dev->dev, "ep %#x - urb len = %#x (%d),"
+                xhci_dbg(xhci, "ep %#x - urb len = %#x (%d),"
                                 " addr = %#llx, num_tds = %d\n",
                                 urb->ep->desc.bEndpointAddress,
                                 urb->transfer_buffer_length,
@@ -2950,7 +2958,10 @@ static int xhci_queue_isoc_tx(struct xhci_hcd *xhci, gfp_t mem_flags,
                                 field |= TRB_TYPE(TRB_ISOC);
                                 /* Assume URB_ISO_ASAP is set */
                                 field |= TRB_SIA;
-                                if (i > 0)
+                                if (i == 0) {
+                                        if (start_cycle == 0)
+                                                field |= 0x1;
+                                } else
                                         field |= ep_ring->cycle_state;
                                 first_trb = false;
                         } else {
@@ -2965,9 +2976,11 @@ static int xhci_queue_isoc_tx(struct xhci_hcd *xhci, gfp_t mem_flags,
                          */
                         if (j < trbs_per_td - 1) {
                                 field |= TRB_CHAIN;
+                                more_trbs_coming = true;
                         } else {
                                 td->last_trb = ep_ring->enqueue;
                                 field |= TRB_IOC;
+                                more_trbs_coming = false;
                         }
 
                         /* Calculate TRB length */
@@ -2980,7 +2993,7 @@ static int xhci_queue_isoc_tx(struct xhci_hcd *xhci, gfp_t mem_flags,
                         length_field = TRB_LEN(trb_buff_len) |
                                 remainder |
                                 TRB_INTR_TARGET(0);
-                        queue_trb(xhci, ep_ring, false, false,
+                        queue_trb(xhci, ep_ring, false, more_trbs_coming,
                                 lower_32_bits(addr),
                                 upper_32_bits(addr),
                                 length_field,
@@ -3003,10 +3016,8 @@ static int xhci_queue_isoc_tx(struct xhci_hcd *xhci, gfp_t mem_flags,
                 }
         }
 
-        wmb();
-        start_trb->field[3] |= start_cycle;
-
-        xhci_ring_ep_doorbell(xhci, slot_id, ep_index, urb->stream_id);
+        giveback_first_trb(xhci, slot_id, ep_index, urb->stream_id,
+                        start_cycle, start_trb);
         return 0;
 }
 
@@ -3064,7 +3075,7 @@ int xhci_queue_isoc_tx_prepare(struct xhci_hcd *xhci, gfp_t mem_flags,
          * to set the polling interval (once the API is added).
          */
         if (xhci_interval != ep_interval) {
-                if (!printk_ratelimit())
+                if (printk_ratelimit())
                         dev_dbg(&urb->dev->dev, "Driver uses different interval"
                                         " (%d microframe%s) than xHCI "
                                         "(%d microframe%s)\n",
diff --git a/drivers/usb/host/xhci.c b/drivers/usb/host/xhci.c
index 45e4a3108cc3..34cf4e165877 100644
--- a/drivers/usb/host/xhci.c
+++ b/drivers/usb/host/xhci.c
@@ -226,7 +226,8 @@ static int xhci_setup_msi(struct xhci_hcd *xhci)
 static int xhci_setup_msix(struct xhci_hcd *xhci)
 {
         int i, ret = 0;
-        struct pci_dev *pdev = to_pci_dev(xhci_to_hcd(xhci)->self.controller);
+        struct usb_hcd *hcd = xhci_to_hcd(xhci);
+        struct pci_dev *pdev = to_pci_dev(hcd->self.controller);
 
         /*
          * calculate number of msi-x vectors supported.
@@ -265,6 +266,7 @@ static int xhci_setup_msix(struct xhci_hcd *xhci)
                         goto disable_msix;
         }
 
+        hcd->msix_enabled = 1;
         return ret;
 
 disable_msix:
@@ -280,7 +282,8 @@ free_entries:
 /* Free any IRQs and disable MSI-X */
 static void xhci_cleanup_msix(struct xhci_hcd *xhci)
 {
-        struct pci_dev *pdev = to_pci_dev(xhci_to_hcd(xhci)->self.controller);
+        struct usb_hcd *hcd = xhci_to_hcd(xhci);
+        struct pci_dev *pdev = to_pci_dev(hcd->self.controller);
 
         xhci_free_irq(xhci);
 
@@ -292,6 +295,7 @@ static void xhci_cleanup_msix(struct xhci_hcd *xhci)
                 pci_disable_msi(pdev);
         }
 
+        hcd->msix_enabled = 0;
         return;
 }
 
@@ -508,9 +512,10 @@ void xhci_stop(struct usb_hcd *hcd)
         spin_lock_irq(&xhci->lock);
         xhci_halt(xhci);
         xhci_reset(xhci);
-        xhci_cleanup_msix(xhci);
         spin_unlock_irq(&xhci->lock);
 
+        xhci_cleanup_msix(xhci);
+
 #ifdef CONFIG_USB_XHCI_HCD_DEBUGGING
         /* Tell the event ring poll function not to reschedule */
         xhci->zombie = 1;
@@ -544,9 +549,10 @@ void xhci_shutdown(struct usb_hcd *hcd)
 
         spin_lock_irq(&xhci->lock);
         xhci_halt(xhci);
-        xhci_cleanup_msix(xhci);
         spin_unlock_irq(&xhci->lock);
 
+        xhci_cleanup_msix(xhci);
+
         xhci_dbg(xhci, "xhci_shutdown completed - status = %x\n",
                     xhci_readl(xhci, &xhci->op_regs->status));
 }
@@ -647,6 +653,7 @@ int xhci_suspend(struct xhci_hcd *xhci)
         int                     rc = 0;
         struct usb_hcd          *hcd = xhci_to_hcd(xhci);
         u32                     command;
+        int                     i;
 
         spin_lock_irq(&xhci->lock);
         clear_bit(HCD_FLAG_HW_ACCESSIBLE, &hcd->flags);
@@ -677,10 +684,15 @@ int xhci_suspend(struct xhci_hcd *xhci)
                 spin_unlock_irq(&xhci->lock);
                 return -ETIMEDOUT;
         }
-        /* step 5: remove core well power */
-        xhci_cleanup_msix(xhci);
         spin_unlock_irq(&xhci->lock);
 
+        /* step 5: remove core well power */
+        /* synchronize irq when using MSI-X */
+        if (xhci->msix_entries) {
+                for (i = 0; i < xhci->msix_count; i++)
+                        synchronize_irq(xhci->msix_entries[i].vector);
+        }
+
         return rc;
 }
 
@@ -694,7 +706,6 @@ int xhci_resume(struct xhci_hcd *xhci, bool hibernated)
 {
         u32                     command, temp = 0;
         struct usb_hcd          *hcd = xhci_to_hcd(xhci);
-        struct pci_dev          *pdev = to_pci_dev(hcd->self.controller);
         int     old_state, retval;
 
         old_state = hcd->state;
@@ -729,9 +740,8 @@ int xhci_resume(struct xhci_hcd *xhci, bool hibernated)
                 xhci_dbg(xhci, "Stop HCD\n");
                 xhci_halt(xhci);
                 xhci_reset(xhci);
-                if (hibernated)
-                        xhci_cleanup_msix(xhci);
                 spin_unlock_irq(&xhci->lock);
+                xhci_cleanup_msix(xhci);
 
 #ifdef CONFIG_USB_XHCI_HCD_DEBUGGING
                 /* Tell the event ring poll function not to reschedule */
@@ -765,30 +775,6 @@ int xhci_resume(struct xhci_hcd *xhci, bool hibernated)
                 return retval;
         }
 
-        spin_unlock_irq(&xhci->lock);
-        /* Re-setup MSI-X */
-        if (hcd->irq)
-                free_irq(hcd->irq, hcd);
-        hcd->irq = -1;
-
-        retval = xhci_setup_msix(xhci);
-        if (retval)
-                /* fall back to msi*/
-                retval = xhci_setup_msi(xhci);
-
-        if (retval) {
-                /* fall back to legacy interrupt*/
-                retval = request_irq(pdev->irq, &usb_hcd_irq, IRQF_SHARED,
-                                        hcd->irq_descr, hcd);
-                if (retval) {
-                        xhci_err(xhci, "request interrupt %d failed\n",
-                                        pdev->irq);
-                        return retval;
-                }
-                hcd->irq = pdev->irq;
-        }
-
-        spin_lock_irq(&xhci->lock);
         /* step 4: set Run/Stop bit */
         command = xhci_readl(xhci, &xhci->op_regs->command);
         command |= CMD_RUN;
@@ -2445,8 +2431,12 @@ int xhci_alloc_dev(struct usb_hcd *hcd, struct usb_device *udev)
                 xhci_err(xhci, "Error while assigning device slot ID\n");
                 return 0;
         }
-        /* xhci_alloc_virt_device() does not touch rings; no need to lock */
-        if (!xhci_alloc_virt_device(xhci, xhci->slot_id, udev, GFP_KERNEL)) {
+        /* xhci_alloc_virt_device() does not touch rings; no need to lock.
+         * Use GFP_NOIO, since this function can be called from
+         * xhci_discover_or_reset_device(), which may be called as part of
+         * mass storage driver error handling.
+         */
+        if (!xhci_alloc_virt_device(xhci, xhci->slot_id, udev, GFP_NOIO)) {
                 /* Disable slot, if we can do it without mem alloc */
                 xhci_warn(xhci, "Could not allocate xHCI USB device data structures\n");
                 spin_lock_irqsave(&xhci->lock, flags);
diff --git a/drivers/usb/host/xhci.h b/drivers/usb/host/xhci.h
index 170c367112d2..7f236fd22015 100644
--- a/drivers/usb/host/xhci.h
+++ b/drivers/usb/host/xhci.h
@@ -436,22 +436,18 @@ struct xhci_run_regs {
 /**
  * struct doorbell_array
  *
+ * Bits  0 -  7: Endpoint target
+ * Bits  8 - 15: RsvdZ
+ * Bits 16 - 31: Stream ID
+ *
  * Section 5.6
  */
 struct xhci_doorbell_array {
         u32     doorbell[256];
 };
 
-#define DB_TARGET_MASK          0xFFFFFF00
-#define DB_STREAM_ID_MASK       0x0000FFFF
-#define DB_TARGET_HOST          0x0
-#define DB_STREAM_ID_HOST       0x0
-#define DB_MASK                 (0xff << 8)
-
-/* Endpoint Target - bits 0:7 */
-#define EPI_TO_DB(p)            (((p) + 1) & 0xff)
-#define STREAM_ID_TO_DB(p)      (((p) & 0xffff) << 16)
-
+#define DB_VALUE(ep, stream)    ((((ep) + 1) & 0xff) | ((stream) << 16))
+#define DB_VALUE_HOST           0x00000000
 
 /**
  * struct xhci_protocol_caps
diff --git a/drivers/usb/misc/usbled.c b/drivers/usb/misc/usbled.c
index 1732d9bc097e..1616ad1793a4 100644
--- a/drivers/usb/misc/usbled.c
+++ b/drivers/usb/misc/usbled.c
@@ -45,7 +45,7 @@ struct usb_led {
 
 static void change_color(struct usb_led *led)
 {
-        int retval;
+        int retval = 0;
         unsigned char *buffer;
 
         buffer = kmalloc(8, GFP_KERNEL);
diff --git a/drivers/usb/misc/uss720.c b/drivers/usb/misc/uss720.c
index 4ff21587ab03..f7a205738032 100644
--- a/drivers/usb/misc/uss720.c
+++ b/drivers/usb/misc/uss720.c
@@ -776,7 +776,6 @@ static const struct usb_device_id uss720_table[] = {
         { USB_DEVICE(0x0557, 0x2001) },
         { USB_DEVICE(0x0729, 0x1284) },
         { USB_DEVICE(0x1293, 0x0002) },
-        { USB_DEVICE(0x1293, 0x0002) },
         { USB_DEVICE(0x050d, 0x0002) },
         { }                                             /* Terminating entry */
 };
diff --git a/drivers/usb/otg/nop-usb-xceiv.c b/drivers/usb/otg/nop-usb-xceiv.c
index e70014ab0976..8acf165fe13b 100644
--- a/drivers/usb/otg/nop-usb-xceiv.c
+++ b/drivers/usb/otg/nop-usb-xceiv.c
@@ -132,6 +132,8 @@ static int __devinit nop_usb_xceiv_probe(struct platform_device *pdev)
 
         platform_set_drvdata(pdev, nop);
 
+        BLOCKING_INIT_NOTIFIER_HEAD(&nop->otg.notifier);
+
         return 0;
 exit:
         kfree(nop);
diff --git a/drivers/usb/otg/ulpi.c b/drivers/usb/otg/ulpi.c
index 059d9ac0ab5b..770d799d5afb 100644
--- a/drivers/usb/otg/ulpi.c
+++ b/drivers/usb/otg/ulpi.c
@@ -45,7 +45,7 @@ struct ulpi_info {
 /* ULPI hardcoded IDs, used for probing */
 static struct ulpi_info ulpi_ids[] = {
         ULPI_INFO(ULPI_ID(0x04cc, 0x1504), "NXP ISP1504"),
-        ULPI_INFO(ULPI_ID(0x0424, 0x0006), "SMSC USB3319"),
+        ULPI_INFO(ULPI_ID(0x0424, 0x0006), "SMSC USB331x"),
 };
 
 static int ulpi_set_otg_flags(struct otg_transceiver *otg)
diff --git a/drivers/usb/serial/ch341.c b/drivers/usb/serial/ch341.c
index 63f7cc45bcac..7b8815ddf368 100644
--- a/drivers/usb/serial/ch341.c
+++ b/drivers/usb/serial/ch341.c
@@ -486,12 +486,22 @@ static void ch341_read_int_callback(struct urb *urb)
         if (actual_length >= 4) {
                 struct ch341_private *priv = usb_get_serial_port_data(port);
                 unsigned long flags;
+                u8 prev_line_status = priv->line_status;
 
                 spin_lock_irqsave(&priv->lock, flags);
                 priv->line_status = (~(data[2])) & CH341_BITS_MODEM_STAT;
                 if ((data[1] & CH341_MULT_STAT))
                         priv->multi_status_change = 1;
                 spin_unlock_irqrestore(&priv->lock, flags);
+
+                if ((priv->line_status ^ prev_line_status) & CH341_BIT_DCD) {
+                        struct tty_struct *tty = tty_port_tty_get(&port->port);
+                        if (tty)
+                                usb_serial_handle_dcd_change(port, tty,
+                                            priv->line_status & CH341_BIT_DCD);
+                        tty_kref_put(tty);
+                }
+
                 wake_up_interruptible(&priv->delta_msr_wait);
         }
 
diff --git a/drivers/usb/serial/cp210x.c b/drivers/usb/serial/cp210x.c
index 8d7731dbf478..735ea03157ab 100644
--- a/drivers/usb/serial/cp210x.c
+++ b/drivers/usb/serial/cp210x.c
@@ -49,7 +49,6 @@ static int cp210x_tiocmset_port(struct usb_serial_port *port, struct file *,
 static void cp210x_break_ctl(struct tty_struct *, int);
 static int cp210x_startup(struct usb_serial *);
 static void cp210x_dtr_rts(struct usb_serial_port *p, int on);
-static int cp210x_carrier_raised(struct usb_serial_port *p);
 
 static int debug;
 
@@ -87,7 +86,6 @@ static const struct usb_device_id id_table[] = {
         { USB_DEVICE(0x10C4, 0x8115) }, /* Arygon NFC/Mifare Reader */
         { USB_DEVICE(0x10C4, 0x813D) }, /* Burnside Telecom Deskmobile */
         { USB_DEVICE(0x10C4, 0x813F) }, /* Tams Master Easy Control */
-        { USB_DEVICE(0x10C4, 0x8149) }, /* West Mountain Radio Computerized Battery Analyzer */
         { USB_DEVICE(0x10C4, 0x814A) }, /* West Mountain Radio RIGblaster P&P */
         { USB_DEVICE(0x10C4, 0x814B) }, /* West Mountain Radio RIGtalk */
         { USB_DEVICE(0x10C4, 0x8156) }, /* B&G H3000 link cable */
@@ -110,7 +108,9 @@ static const struct usb_device_id id_table[] = {
         { USB_DEVICE(0x10C4, 0x8341) }, /* Siemens MC35PU GPRS Modem */
         { USB_DEVICE(0x10C4, 0x8382) }, /* Cygnal Integrated Products, Inc. */
         { USB_DEVICE(0x10C4, 0x83A8) }, /* Amber Wireless AMB2560 */
+        { USB_DEVICE(0x10C4, 0x83D8) }, /* DekTec DTA Plus VHF/UHF Booster/Attenuator */
         { USB_DEVICE(0x10C4, 0x8411) }, /* Kyocera GPS Module */
+        { USB_DEVICE(0x10C4, 0x8418) }, /* IRZ Automation Teleport SG-10 GSM/GPRS Modem */
         { USB_DEVICE(0x10C4, 0x846E) }, /* BEI USB Sensor Interface (VCP) */
         { USB_DEVICE(0x10C4, 0x8477) }, /* Balluff RFID */
         { USB_DEVICE(0x10C4, 0xEA60) }, /* Silicon Labs factory default */
@@ -165,8 +165,7 @@ static struct usb_serial_driver cp210x_device = {
         .tiocmget               = cp210x_tiocmget,
         .tiocmset               = cp210x_tiocmset,
         .attach                 = cp210x_startup,
-        .dtr_rts                = cp210x_dtr_rts,
-        .carrier_raised         = cp210x_carrier_raised
+        .dtr_rts                = cp210x_dtr_rts
 };
 
 /* Config request types */
@@ -765,15 +764,6 @@ static int cp210x_tiocmget (struct tty_struct *tty, struct file *file)
         return result;
 }
 
-static int cp210x_carrier_raised(struct usb_serial_port *p)
-{
-        unsigned int control;
-        cp210x_get_config(p, CP210X_GET_MDMSTS, &control, 1);
-        if (control & CONTROL_DCD)
-                return 1;
-        return 0;
-}
-
 static void cp210x_break_ctl (struct tty_struct *tty, int break_state)
 {
         struct usb_serial_port *port = tty->driver_data;
diff --git a/drivers/usb/serial/digi_acceleport.c b/drivers/usb/serial/digi_acceleport.c
index b92070c103cd..666e5a6edd82 100644
--- a/drivers/usb/serial/digi_acceleport.c
+++ b/drivers/usb/serial/digi_acceleport.c
@@ -455,7 +455,6 @@ static int digi_write_room(struct tty_struct *tty);
 static int digi_chars_in_buffer(struct tty_struct *tty);
 static int digi_open(struct tty_struct *tty, struct usb_serial_port *port);
 static void digi_close(struct usb_serial_port *port);
-static int digi_carrier_raised(struct usb_serial_port *port);
 static void digi_dtr_rts(struct usb_serial_port *port, int on);
 static int digi_startup_device(struct usb_serial *serial);
 static int digi_startup(struct usb_serial *serial);
@@ -511,7 +510,6 @@ static struct usb_serial_driver digi_acceleport_2_device = {
         .open =                         digi_open,
         .close =                        digi_close,
         .dtr_rts =                      digi_dtr_rts,
-        .carrier_raised =               digi_carrier_raised,
         .write =                        digi_write,
         .write_room =                   digi_write_room,
         .write_bulk_callback =          digi_write_bulk_callback,
@@ -1339,14 +1337,6 @@ static void digi_dtr_rts(struct usb_serial_port *port, int on)
         digi_set_modem_signals(port, on * (TIOCM_DTR|TIOCM_RTS), 1);
 }
 
-static int digi_carrier_raised(struct usb_serial_port *port)
-{
-        struct digi_port *priv = usb_get_serial_port_data(port);
-        if (priv->dp_modem_signals & TIOCM_CD)
-                return 1;
-        return 0;
-}
-
 static int digi_open(struct tty_struct *tty, struct usb_serial_port *port)
 {
         int ret;
diff --git a/drivers/usb/serial/ftdi_sio.c b/drivers/usb/serial/ftdi_sio.c
index a2668d089260..4787c0cd063f 100644
--- a/drivers/usb/serial/ftdi_sio.c
+++ b/drivers/usb/serial/ftdi_sio.c
@@ -676,7 +676,17 @@ static struct usb_device_id id_table_combined [] = {
         { USB_DEVICE(FTDI_VID, FTDI_PCDJ_DAC2_PID) },
         { USB_DEVICE(FTDI_VID, FTDI_RRCIRKITS_LOCOBUFFER_PID) },
         { USB_DEVICE(FTDI_VID, FTDI_ASK_RDR400_PID) },
-        { USB_DEVICE(ICOM_ID1_VID, ICOM_ID1_PID) },
+        { USB_DEVICE(ICOM_VID, ICOM_ID_1_PID) },
+        { USB_DEVICE(ICOM_VID, ICOM_OPC_U_UC_PID) },
+        { USB_DEVICE(ICOM_VID, ICOM_ID_RP2C1_PID) },
+        { USB_DEVICE(ICOM_VID, ICOM_ID_RP2C2_PID) },
+        { USB_DEVICE(ICOM_VID, ICOM_ID_RP2D_PID) },
+        { USB_DEVICE(ICOM_VID, ICOM_ID_RP2VT_PID) },
+        { USB_DEVICE(ICOM_VID, ICOM_ID_RP2VR_PID) },
+        { USB_DEVICE(ICOM_VID, ICOM_ID_RP4KVT_PID) },
+        { USB_DEVICE(ICOM_VID, ICOM_ID_RP4KVR_PID) },
+        { USB_DEVICE(ICOM_VID, ICOM_ID_RP2KVT_PID) },
+        { USB_DEVICE(ICOM_VID, ICOM_ID_RP2KVR_PID) },
         { USB_DEVICE(FTDI_VID, FTDI_ACG_HFDUAL_PID) },
         { USB_DEVICE(FTDI_VID, FTDI_YEI_SERVOCENTER31_PID) },
         { USB_DEVICE(FTDI_VID, FTDI_THORLABS_PID) },
diff --git a/drivers/usb/serial/ftdi_sio_ids.h b/drivers/usb/serial/ftdi_sio_ids.h
index bf0867285481..ed160def8584 100644
--- a/drivers/usb/serial/ftdi_sio_ids.h
+++ b/drivers/usb/serial/ftdi_sio_ids.h
@@ -569,11 +569,23 @@
 #define OCT_US101_PID           0x0421  /* OCT US101 USB to RS-232 */
 
 /*
- * Icom ID-1 digital transceiver
- */
-
-#define ICOM_ID1_VID            0x0C26
-#define ICOM_ID1_PID            0x0004
+ * Definitions for Icom Inc. devices
+ */
+#define ICOM_VID                0x0C26 /* Icom vendor ID */
+/* Note: ID-1 is a communications tranceiver for HAM-radio operators */
+#define ICOM_ID_1_PID           0x0004 /* ID-1 USB to RS-232 */
+/* Note: OPC is an Optional cable to connect an Icom Tranceiver */
+#define ICOM_OPC_U_UC_PID       0x0018 /* OPC-478UC, OPC-1122U cloning cable */
+/* Note: ID-RP* devices are Icom Repeater Devices for HAM-radio */
+#define ICOM_ID_RP2C1_PID       0x0009 /* ID-RP2C Asset 1 to RS-232 */
+#define ICOM_ID_RP2C2_PID       0x000A /* ID-RP2C Asset 2 to RS-232 */
+#define ICOM_ID_RP2D_PID        0x000B /* ID-RP2D configuration port*/
+#define ICOM_ID_RP2VT_PID       0x000C /* ID-RP2V Transmit config port */
+#define ICOM_ID_RP2VR_PID       0x000D /* ID-RP2V Receive config port */
+#define ICOM_ID_RP4KVT_PID      0x0010 /* ID-RP4000V Transmit config port */
+#define ICOM_ID_RP4KVR_PID      0x0011 /* ID-RP4000V Receive config port */
+#define ICOM_ID_RP2KVT_PID      0x0012 /* ID-RP2000V Transmit config port */
+#define ICOM_ID_RP2KVR_PID      0x0013 /* ID-RP2000V Receive config port */
 
 /*
  * GN Otometrics (http://www.otometrics.com)
diff --git a/drivers/usb/serial/generic.c b/drivers/usb/serial/generic.c
index e6833e216fc9..e4db5ad2bc55 100644
--- a/drivers/usb/serial/generic.c
+++ b/drivers/usb/serial/generic.c
@@ -479,6 +479,26 @@ int usb_serial_handle_break(struct usb_serial_port *port)
 }
 EXPORT_SYMBOL_GPL(usb_serial_handle_break);
 
+/**
+ *      usb_serial_handle_dcd_change - handle a change of carrier detect state
+ *      @port: usb_serial_port structure for the open port
+ *      @tty: tty_struct structure for the port
+ *      @status: new carrier detect status, nonzero if active
+ */
+void usb_serial_handle_dcd_change(struct usb_serial_port *usb_port,
+                                struct tty_struct *tty, unsigned int status)
+{
+        struct tty_port *port = &usb_port->port;
+
+        dbg("%s - port %d, status %d", __func__, usb_port->number, status);
+
+        if (status)
+                wake_up_interruptible(&port->open_wait);
+        else if (tty && !C_CLOCAL(tty))
+                tty_hangup(tty);
+}
+EXPORT_SYMBOL_GPL(usb_serial_handle_dcd_change);
+
 int usb_serial_generic_resume(struct usb_serial *serial)
 {
         struct usb_serial_port *port;
diff --git a/drivers/usb/serial/io_tables.h b/drivers/usb/serial/io_tables.h
index 6ab2a3f97fe8..178b22eb32b1 100644
--- a/drivers/usb/serial/io_tables.h
+++ b/drivers/usb/serial/io_tables.h
@@ -199,6 +199,7 @@ static struct usb_serial_driver epic_device = {
                 .name           = "epic",
         },
         .description            = "EPiC device",
+        .usb_driver             = &io_driver,
         .id_table               = Epic_port_id_table,
         .num_ports              = 1,
         .open                   = edge_open,
diff --git a/drivers/usb/serial/iuu_phoenix.c b/drivers/usb/serial/iuu_phoenix.c
index 12ed594f5f80..99b97c04896f 100644
--- a/drivers/usb/serial/iuu_phoenix.c
+++ b/drivers/usb/serial/iuu_phoenix.c
@@ -1275,6 +1275,7 @@ static struct usb_serial_driver iuu_device = {
                    .name = "iuu_phoenix",
                    },
         .id_table = id_table,
+        .usb_driver = &iuu_driver,
         .num_ports = 1,
         .bulk_in_size = 512,
         .bulk_out_size = 512,
diff --git a/drivers/usb/serial/keyspan.h b/drivers/usb/serial/keyspan.h
index 2d8baf6ac472..ce134dc28ddf 100644
--- a/drivers/usb/serial/keyspan.h
+++ b/drivers/usb/serial/keyspan.h
@@ -546,6 +546,7 @@ static struct usb_serial_driver keyspan_pre_device = {
                 .name           = "keyspan_no_firm",
         },
         .description            = "Keyspan - (without firmware)",
+        .usb_driver             = &keyspan_driver,
         .id_table               = keyspan_pre_ids,
         .num_ports              = 1,
         .attach                 = keyspan_fake_startup,
@@ -557,6 +558,7 @@ static struct usb_serial_driver keyspan_1port_device = {
                 .name           = "keyspan_1",
         },
         .description            = "Keyspan 1 port adapter",
+        .usb_driver             = &keyspan_driver,
         .id_table               = keyspan_1port_ids,
         .num_ports              = 1,
         .open                   = keyspan_open,
@@ -579,6 +581,7 @@ static struct usb_serial_driver keyspan_2port_device = {
                 .name           = "keyspan_2",
         },
         .description            = "Keyspan 2 port adapter",
+        .usb_driver             = &keyspan_driver,
         .id_table               = keyspan_2port_ids,
         .num_ports              = 2,
         .open                   = keyspan_open,
@@ -601,6 +604,7 @@ static struct usb_serial_driver keyspan_4port_device = {
                 .name           = "keyspan_4",
         },
         .description            = "Keyspan 4 port adapter",
+        .usb_driver             = &keyspan_driver,
         .id_table               = keyspan_4port_ids,
         .num_ports              = 4,
         .open                   = keyspan_open,
diff --git a/drivers/usb/serial/keyspan_pda.c b/drivers/usb/serial/keyspan_pda.c
index a10dd5676ccc..554a8693a463 100644
--- a/drivers/usb/serial/keyspan_pda.c
+++ b/drivers/usb/serial/keyspan_pda.c
@@ -679,22 +679,6 @@ static void keyspan_pda_dtr_rts(struct usb_serial_port *port, int on)
         }
 }
 
-static int keyspan_pda_carrier_raised(struct usb_serial_port *port)
-{
-        struct usb_serial *serial = port->serial;
-        unsigned char modembits;
-
-        /* If we can read the modem status and the DCD is low then
-           carrier is not raised yet */
-        if (keyspan_pda_get_modem_info(serial, &modembits) >= 0) {
-                if (!(modembits & (1>>6)))
-                        return 0;
-        }
-        /* Carrier raised, or we failed (eg disconnected) so
-           progress accordingly */
-        return 1;
-}
-
 
 static int keyspan_pda_open(struct tty_struct *tty,
                                         struct usb_serial_port *port)
@@ -881,7 +865,6 @@ static struct usb_serial_driver keyspan_pda_device = {
         .id_table =             id_table_std,
         .num_ports =            1,
         .dtr_rts =              keyspan_pda_dtr_rts,
-        .carrier_raised =       keyspan_pda_carrier_raised,
         .open =                 keyspan_pda_open,
         .close =                keyspan_pda_close,
         .write =                keyspan_pda_write,
diff --git a/drivers/usb/serial/moto_modem.c b/drivers/usb/serial/moto_modem.c
index cf1718394e18..653465f61d4a 100644
--- a/drivers/usb/serial/moto_modem.c
+++ b/drivers/usb/serial/moto_modem.c
@@ -44,6 +44,7 @@ static struct usb_serial_driver moto_device = {
                 .name =         "moto-modem",
         },
         .id_table =             id_table,
+        .usb_driver =           &moto_driver,
         .num_ports =            1,
 };
 
diff --git a/drivers/usb/serial/option.c b/drivers/usb/serial/option.c
index 748778288d94..5f46838dfee5 100644
--- a/drivers/usb/serial/option.c
+++ b/drivers/usb/serial/option.c
@@ -382,7 +382,16 @@ static void option_instat_callback(struct urb *urb);
 #define HAIER_VENDOR_ID                         0x201e
 #define HAIER_PRODUCT_CE100                     0x2009
 
-#define CINTERION_VENDOR_ID                     0x0681
+/* Cinterion (formerly Siemens) products */
+#define SIEMENS_VENDOR_ID                               0x0681
+#define CINTERION_VENDOR_ID                             0x1e2d
+#define CINTERION_PRODUCT_HC25_MDM              0x0047
+#define CINTERION_PRODUCT_HC25_MDMNET   0x0040
+#define CINTERION_PRODUCT_HC28_MDM              0x004C
+#define CINTERION_PRODUCT_HC28_MDMNET   0x004A /* same for HC28J */
+#define CINTERION_PRODUCT_EU3_E                 0x0051
+#define CINTERION_PRODUCT_EU3_P                 0x0052
+#define CINTERION_PRODUCT_PH8                   0x0053
 
 /* Olivetti products */
 #define OLIVETTI_VENDOR_ID                      0x0b3c
@@ -944,7 +953,17 @@ static const struct usb_device_id option_ids[] = {
         { USB_DEVICE(PIRELLI_VENDOR_ID, PIRELLI_PRODUCT_100F) },
         { USB_DEVICE(PIRELLI_VENDOR_ID, PIRELLI_PRODUCT_1011)},
         { USB_DEVICE(PIRELLI_VENDOR_ID, PIRELLI_PRODUCT_1012)},
-        { USB_DEVICE(CINTERION_VENDOR_ID, 0x0047) },
+        /* Cinterion */
+        { USB_DEVICE(CINTERION_VENDOR_ID, CINTERION_PRODUCT_EU3_E) },
+        { USB_DEVICE(CINTERION_VENDOR_ID, CINTERION_PRODUCT_EU3_P) },
+        { USB_DEVICE(CINTERION_VENDOR_ID, CINTERION_PRODUCT_PH8) },
+        { USB_DEVICE(CINTERION_VENDOR_ID, CINTERION_PRODUCT_HC28_MDM) }, 
+        { USB_DEVICE(CINTERION_VENDOR_ID, CINTERION_PRODUCT_HC28_MDMNET) },
+        { USB_DEVICE(SIEMENS_VENDOR_ID, CINTERION_PRODUCT_HC25_MDM) },
+        { USB_DEVICE(SIEMENS_VENDOR_ID, CINTERION_PRODUCT_HC25_MDMNET) },
+        { USB_DEVICE(SIEMENS_VENDOR_ID, CINTERION_PRODUCT_HC28_MDM) }, /* HC28 enumerates with Siemens or Cinterion VID depending on FW revision */
+        { USB_DEVICE(SIEMENS_VENDOR_ID, CINTERION_PRODUCT_HC28_MDMNET) },
+
         { USB_DEVICE(OLIVETTI_VENDOR_ID, OLIVETTI_PRODUCT_OLICARD100) },
         { USB_DEVICE(CELOT_VENDOR_ID, CELOT_PRODUCT_CT680M) }, /* CT-650 CDMA 450 1xEVDO modem */
         { USB_DEVICE(ONDA_VENDOR_ID, ONDA_MT825UP) }, /* ONDA MT825UP modem */
diff --git a/drivers/usb/serial/oti6858.c b/drivers/usb/serial/oti6858.c
index 5be866bb7a41..73613205be7a 100644
--- a/drivers/usb/serial/oti6858.c
+++ b/drivers/usb/serial/oti6858.c
@@ -157,6 +157,7 @@ static struct usb_serial_driver oti6858_device = {
                 .name =         "oti6858",
         },
         .id_table =             id_table,
+        .usb_driver =           &oti6858_driver,
         .num_ports =            1,
         .open =                 oti6858_open,
         .close =                oti6858_close,
diff --git a/drivers/usb/serial/pl2303.c b/drivers/usb/serial/pl2303.c
index 8ae4c6cbc38a..08c9181b8e48 100644
--- a/drivers/usb/serial/pl2303.c
+++ b/drivers/usb/serial/pl2303.c
@@ -50,6 +50,7 @@ static const struct usb_device_id id_table[] = {
         { USB_DEVICE(PL2303_VENDOR_ID, PL2303_PRODUCT_ID_MMX) },
         { USB_DEVICE(PL2303_VENDOR_ID, PL2303_PRODUCT_ID_GPRS) },
         { USB_DEVICE(PL2303_VENDOR_ID, PL2303_PRODUCT_ID_HCR331) },
+        { USB_DEVICE(PL2303_VENDOR_ID, PL2303_PRODUCT_ID_MOTOROLA) },
         { USB_DEVICE(IODATA_VENDOR_ID, IODATA_PRODUCT_ID) },
         { USB_DEVICE(IODATA_VENDOR_ID, IODATA_PRODUCT_ID_RSAQ5) },
         { USB_DEVICE(ATEN_VENDOR_ID, ATEN_PRODUCT_ID) },
@@ -677,9 +678,11 @@ static void pl2303_update_line_status(struct usb_serial_port *port,
 {
 
         struct pl2303_private *priv = usb_get_serial_port_data(port);
+        struct tty_struct *tty;
         unsigned long flags;
         u8 status_idx = UART_STATE;
         u8 length = UART_STATE + 1;
+        u8 prev_line_status;
         u16 idv, idp;
 
         idv = le16_to_cpu(port->serial->dev->descriptor.idVendor);
@@ -701,11 +704,20 @@ static void pl2303_update_line_status(struct usb_serial_port *port,
 
         /* Save off the uart status for others to look at */
         spin_lock_irqsave(&priv->lock, flags);
+        prev_line_status = priv->line_status;
         priv->line_status = data[status_idx];
         spin_unlock_irqrestore(&priv->lock, flags);
         if (priv->line_status & UART_BREAK_ERROR)
                 usb_serial_handle_break(port);
         wake_up_interruptible(&priv->delta_msr_wait);
+
+        tty = tty_port_tty_get(&port->port);
+        if (!tty)
+                return;
+        if ((priv->line_status ^ prev_line_status) & UART_DCD)
+                usb_serial_handle_dcd_change(port, tty,
+                                priv->line_status & UART_DCD);
+        tty_kref_put(tty);
 }
 
 static void pl2303_read_int_callback(struct urb *urb)
diff --git a/drivers/usb/serial/pl2303.h b/drivers/usb/serial/pl2303.h
index 43eb9bdad422..1b025f75dafd 100644
--- a/drivers/usb/serial/pl2303.h
+++ b/drivers/usb/serial/pl2303.h
@@ -21,6 +21,7 @@
 #define PL2303_PRODUCT_ID_MMX           0x0612
 #define PL2303_PRODUCT_ID_GPRS          0x0609
 #define PL2303_PRODUCT_ID_HCR331        0x331a
+#define PL2303_PRODUCT_ID_MOTOROLA      0x0307
 
 #define ATEN_VENDOR_ID          0x0557
 #define ATEN_VENDOR_ID2         0x0547
diff --git a/drivers/usb/serial/qcaux.c b/drivers/usb/serial/qcaux.c
index 214a3e504292..30b73e68a904 100644
--- a/drivers/usb/serial/qcaux.c
+++ b/drivers/usb/serial/qcaux.c
@@ -36,6 +36,7 @@
 #define UTSTARCOM_PRODUCT_UM175_V1              0x3712
 #define UTSTARCOM_PRODUCT_UM175_V2              0x3714
 #define UTSTARCOM_PRODUCT_UM175_ALLTEL          0x3715
+#define PANTECH_PRODUCT_UML290_VZW              0x3718
 
 /* CMOTECH devices */
 #define CMOTECH_VENDOR_ID                       0x16d8
@@ -66,6 +67,7 @@ static struct usb_device_id id_table[] = {
         { USB_DEVICE_AND_INTERFACE_INFO(LG_VENDOR_ID, LG_PRODUCT_VX4400_6000, 0xff, 0xff, 0x00) },
         { USB_DEVICE_AND_INTERFACE_INFO(SANYO_VENDOR_ID, SANYO_PRODUCT_KATANA_LX, 0xff, 0xff, 0x00) },
         { USB_DEVICE_AND_INTERFACE_INFO(SAMSUNG_VENDOR_ID, SAMSUNG_PRODUCT_U520, 0xff, 0x00, 0x00) },
+        { USB_DEVICE_AND_INTERFACE_INFO(UTSTARCOM_VENDOR_ID, PANTECH_PRODUCT_UML290_VZW, 0xff, 0xff, 0xff) },
         { },
 };
 MODULE_DEVICE_TABLE(usb, id_table);
@@ -84,6 +86,7 @@ static struct usb_serial_driver qcaux_device = {
                 .name =         "qcaux",
         },
         .id_table =             id_table,
+        .usb_driver =           &qcaux_driver,
         .num_ports =            1,
 };
 
diff --git a/drivers/usb/serial/siemens_mpi.c b/drivers/usb/serial/siemens_mpi.c
index cb8195cabfde..74cd4ccdb3fc 100644
--- a/drivers/usb/serial/siemens_mpi.c
+++ b/drivers/usb/serial/siemens_mpi.c
@@ -42,6 +42,7 @@ static struct usb_serial_driver siemens_usb_mpi_device = {
                 .name =         "siemens_mpi",
         },
         .id_table =             id_table,
+        .usb_driver =           &siemens_usb_mpi_driver,
         .num_ports =            1,
 };
 
diff --git a/drivers/usb/serial/spcp8x5.c b/drivers/usb/serial/spcp8x5.c
index 765aa983bf58..cbfb70bffdd0 100644
--- a/drivers/usb/serial/spcp8x5.c
+++ b/drivers/usb/serial/spcp8x5.c
@@ -133,7 +133,7 @@ struct spcp8x5_usb_ctrl_arg {
 
 /* how come ??? */
 #define UART_STATE                      0x08
-#define UART_STATE_TRANSIENT_MASK       0x74
+#define UART_STATE_TRANSIENT_MASK       0x75
 #define UART_DCD                        0x01
 #define UART_DSR                        0x02
 #define UART_BREAK_ERROR                0x04
@@ -525,6 +525,10 @@ static void spcp8x5_process_read_urb(struct urb *urb)
                 /* overrun is special, not associated with a char */
                 if (status & UART_OVERRUN_ERROR)
                         tty_insert_flip_char(tty, 0, TTY_OVERRUN);
+
+                if (status & UART_DCD)
+                        usb_serial_handle_dcd_change(port, tty,
+                                   priv->line_status & MSR_STATUS_LINE_DCD);
         }
 
         tty_insert_flip_string_fixed_flag(tty, data, tty_flag,
@@ -645,6 +649,7 @@ static struct usb_serial_driver spcp8x5_device = {
                 .name =         "SPCP8x5",
         },
         .id_table               = id_table,
+        .usb_driver             = &spcp8x5_driver,
         .num_ports              = 1,
         .open                   = spcp8x5_open,
         .dtr_rts                = spcp8x5_dtr_rts,
diff --git a/drivers/usb/serial/usb-serial.c b/drivers/usb/serial/usb-serial.c
index 6954de50c0ff..546a52179bec 100644
--- a/drivers/usb/serial/usb-serial.c
+++ b/drivers/usb/serial/usb-serial.c
@@ -1344,11 +1344,15 @@ int usb_serial_register(struct usb_serial_driver *driver)
                 return -ENODEV;
 
         fixup_generic(driver);
-        if (driver->usb_driver)
-                driver->usb_driver->supports_autosuspend = 1;
 
         if (!driver->description)
                 driver->description = driver->driver.name;
+        if (!driver->usb_driver) {
+                WARN(1, "Serial driver %s has no usb_driver\n",
+                                driver->description);
+                return -EINVAL;
+        }
+        driver->usb_driver->supports_autosuspend = 1;
 
         /* Add this device to our list of devices */
         mutex_lock(&table_lock);
diff --git a/drivers/usb/serial/usb_debug.c b/drivers/usb/serial/usb_debug.c
index f2ed6a31be77..95a82148ee81 100644
--- a/drivers/usb/serial/usb_debug.c
+++ b/drivers/usb/serial/usb_debug.c
@@ -75,6 +75,7 @@ static struct usb_serial_driver debug_device = {
                 .name =         "debug",
         },
         .id_table =             id_table,
+        .usb_driver =           &debug_driver,
         .num_ports =            1,
         .bulk_out_size =        USB_DEBUG_MAX_PACKET_SIZE,
         .break_ctl =            usb_debug_break_ctl,
diff --git a/drivers/usb/storage/unusual_cypress.h b/drivers/usb/storage/unusual_cypress.h
index c854fdebe0ae..2c8553026222 100644
--- a/drivers/usb/storage/unusual_cypress.h
+++ b/drivers/usb/storage/unusual_cypress.h
@@ -31,4 +31,9 @@ UNUSUAL_DEV(  0x04b4, 0x6831, 0x0000, 0x9999,
                 "Cypress ISD-300LP",
                 USB_SC_CYP_ATACB, USB_PR_DEVICE, NULL, 0),
 
+UNUSUAL_DEV( 0x14cd, 0x6116, 0x0000, 0x9999,
+                "Super Top",
+                "USB 2.0  SATA BRIDGE",
+                USB_SC_CYP_ATACB, USB_PR_DEVICE, NULL, 0),
+
 #endif /* defined(CONFIG_USB_STORAGE_CYPRESS_ATACB) || ... */
diff --git a/drivers/usb/storage/unusual_devs.h b/drivers/usb/storage/unusual_devs.h
index fcc1e32ce256..24bd5d7c3deb 100644
--- a/drivers/usb/storage/unusual_devs.h
+++ b/drivers/usb/storage/unusual_devs.h
@@ -1044,6 +1044,15 @@ UNUSUAL_DEV(  0x084d, 0x0011, 0x0110, 0x0110,
                 USB_SC_DEVICE, USB_PR_DEVICE, NULL,
                 US_FL_BULK32),
 
+/* Reported by <ttkspam@free.fr>
+ * The device reports a vendor-specific device class, requiring an
+ * explicit vendor/product match.
+ */
+UNUSUAL_DEV(  0x0851, 0x1542, 0x0002, 0x0002,
+                "MagicPixel",
+                "FW_Omega2",
+                USB_SC_DEVICE, USB_PR_DEVICE, NULL, 0),
+
 /* Andrew Lunn <andrew@lunn.ch>
  * PanDigital Digital Picture Frame. Does not like ALLOW_MEDIUM_REMOVAL
  * on LUN 4.
@@ -1872,6 +1881,15 @@ UNUSUAL_DEV( 0x1908, 0x3335, 0x0200, 0x0200,
                 USB_SC_DEVICE, USB_PR_DEVICE, NULL,
                 US_FL_NO_READ_DISC_INFO ),
 
+/* Patch by Richard Schütz <r.schtz@t-online.de>
+ * This external hard drive enclosure uses a JMicron chip which
+ * needs the US_FL_IGNORE_RESIDUE flag to work properly. */
+UNUSUAL_DEV(  0x1e68, 0x001b, 0x0000, 0x0000,
+                "TrekStor GmbH & Co. KG",
+                "DataStation maxi g.u",
+                USB_SC_DEVICE, USB_PR_DEVICE, NULL,
+                US_FL_IGNORE_RESIDUE | US_FL_SANE_SENSE ),
+
 UNUSUAL_DEV( 0x2116, 0x0320, 0x0001, 0x0001,
                 "ST",
                 "2A",