121 files changed, 1122 insertions, 1446 deletions

diff --git a/drivers/amba/bus.c b/drivers/amba/bus.c
index 821040503154..7025593a58c8 100644
--- a/drivers/amba/bus.c
+++ b/drivers/amba/bus.c
@@ -214,7 +214,7 @@ static int amba_pm_resume_noirq(struct device *dev)
 
 #endif /* !CONFIG_SUSPEND */
 
-#ifdef CONFIG_HIBERNATION
+#ifdef CONFIG_HIBERNATE_CALLBACKS
 
 static int amba_pm_freeze(struct device *dev)
 {
@@ -352,7 +352,7 @@ static int amba_pm_restore_noirq(struct device *dev)
         return ret;
 }
 
-#else /* !CONFIG_HIBERNATION */
+#else /* !CONFIG_HIBERNATE_CALLBACKS */
 
 #define amba_pm_freeze          NULL
 #define amba_pm_thaw            NULL
@@ -363,7 +363,7 @@ static int amba_pm_restore_noirq(struct device *dev)
 #define amba_pm_poweroff_noirq  NULL
 #define amba_pm_restore_noirq   NULL
 
-#endif /* !CONFIG_HIBERNATION */
+#endif /* !CONFIG_HIBERNATE_CALLBACKS */
 
 #ifdef CONFIG_PM
 
diff --git a/drivers/base/platform.c b/drivers/base/platform.c
index f051cfff18af..9e0e4fc24c46 100644
--- a/drivers/base/platform.c
+++ b/drivers/base/platform.c
@@ -149,6 +149,7 @@ static void platform_device_release(struct device *dev)
 
         of_device_node_put(&pa->pdev.dev);
         kfree(pa->pdev.dev.platform_data);
+        kfree(pa->pdev.mfd_cell);
         kfree(pa->pdev.resource);
         kfree(pa);
 }
@@ -771,7 +772,7 @@ int __weak platform_pm_resume_noirq(struct device *dev)
 
 #endif /* !CONFIG_SUSPEND */
 
-#ifdef CONFIG_HIBERNATION
+#ifdef CONFIG_HIBERNATE_CALLBACKS
 
 static int platform_pm_freeze(struct device *dev)
 {
@@ -909,7 +910,7 @@ static int platform_pm_restore_noirq(struct device *dev)
         return ret;
 }
 
-#else /* !CONFIG_HIBERNATION */
+#else /* !CONFIG_HIBERNATE_CALLBACKS */
 
 #define platform_pm_freeze              NULL
 #define platform_pm_thaw                NULL
@@ -920,7 +921,7 @@ static int platform_pm_restore_noirq(struct device *dev)
 #define platform_pm_poweroff_noirq      NULL
 #define platform_pm_restore_noirq       NULL
 
-#endif /* !CONFIG_HIBERNATION */
+#endif /* !CONFIG_HIBERNATE_CALLBACKS */
 
 #ifdef CONFIG_PM_RUNTIME
 
diff --git a/drivers/base/power/main.c b/drivers/base/power/main.c
index 052dc53eef38..fbc5b6e7c591 100644
--- a/drivers/base/power/main.c
+++ b/drivers/base/power/main.c
@@ -233,7 +233,7 @@ static int pm_op(struct device *dev,
                 }
                 break;
 #endif /* CONFIG_SUSPEND */
-#ifdef CONFIG_HIBERNATION
+#ifdef CONFIG_HIBERNATE_CALLBACKS
         case PM_EVENT_FREEZE:
         case PM_EVENT_QUIESCE:
                 if (ops->freeze) {
@@ -260,7 +260,7 @@ static int pm_op(struct device *dev,
                         suspend_report_result(ops->restore, error);
                 }
                 break;
-#endif /* CONFIG_HIBERNATION */
+#endif /* CONFIG_HIBERNATE_CALLBACKS */
         default:
                 error = -EINVAL;
         }
@@ -308,7 +308,7 @@ static int pm_noirq_op(struct device *dev,
                 }
                 break;
 #endif /* CONFIG_SUSPEND */
-#ifdef CONFIG_HIBERNATION
+#ifdef CONFIG_HIBERNATE_CALLBACKS
         case PM_EVENT_FREEZE:
         case PM_EVENT_QUIESCE:
                 if (ops->freeze_noirq) {
@@ -335,7 +335,7 @@ static int pm_noirq_op(struct device *dev,
                         suspend_report_result(ops->restore_noirq, error);
                 }
                 break;
-#endif /* CONFIG_HIBERNATION */
+#endif /* CONFIG_HIBERNATE_CALLBACKS */
         default:
                 error = -EINVAL;
         }
diff --git a/drivers/dma/fsldma.c b/drivers/dma/fsldma.c
index 6b396759e7f5..8a781540590c 100644
--- a/drivers/dma/fsldma.c
+++ b/drivers/dma/fsldma.c
@@ -1448,7 +1448,7 @@ static const struct of_device_id fsldma_of_ids[] = {
         {}
 };
 
-static struct of_platform_driver fsldma_of_driver = {
+static struct platform_driver fsldma_of_driver = {
         .driver = {
                 .name = "fsl-elo-dma",
                 .owner = THIS_MODULE,
diff --git a/drivers/gpio/ml_ioh_gpio.c b/drivers/gpio/ml_ioh_gpio.c
index 7f6f01a4b145..0a775f7987c2 100644
--- a/drivers/gpio/ml_ioh_gpio.c
+++ b/drivers/gpio/ml_ioh_gpio.c
@@ -116,6 +116,7 @@ static int ioh_gpio_direction_output(struct gpio_chip *gpio, unsigned nr,
                 reg_val |= (1 << nr);
         else
                 reg_val &= ~(1 << nr);
+        iowrite32(reg_val, &chip->reg->regs[chip->ch].po);
 
         mutex_unlock(&chip->lock);
 
diff --git a/drivers/gpio/pca953x.c b/drivers/gpio/pca953x.c
index 583e92592073..7630ab7b9bec 100644
--- a/drivers/gpio/pca953x.c
+++ b/drivers/gpio/pca953x.c
@@ -558,7 +558,7 @@ static int __devinit pca953x_probe(struct i2c_client *client,
 
         ret = gpiochip_add(&chip->gpio_chip);
         if (ret)
-                goto out_failed;
+                goto out_failed_irq;
 
         if (pdata->setup) {
                 ret = pdata->setup(client, chip->gpio_chip.base,
@@ -570,8 +570,9 @@ static int __devinit pca953x_probe(struct i2c_client *client,
         i2c_set_clientdata(client, chip);
         return 0;
 
-out_failed:
+out_failed_irq:
         pca953x_irq_teardown(chip);
+out_failed:
         kfree(chip->dyn_pdata);
         kfree(chip);
         return ret;
diff --git a/drivers/gpio/pch_gpio.c b/drivers/gpio/pch_gpio.c
index 2c6af8705103..f970a5f3585e 100644
--- a/drivers/gpio/pch_gpio.c
+++ b/drivers/gpio/pch_gpio.c
@@ -105,6 +105,7 @@ static int pch_gpio_direction_output(struct gpio_chip *gpio, unsigned nr,
                 reg_val |= (1 << nr);
         else
                 reg_val &= ~(1 << nr);
+        iowrite32(reg_val, &chip->reg->po);
 
         mutex_unlock(&chip->lock);
 
diff --git a/drivers/gpu/drm/Kconfig b/drivers/gpu/drm/Kconfig
index a6feb78c404c..c58f691ec3ce 100644
--- a/drivers/gpu/drm/Kconfig
+++ b/drivers/gpu/drm/Kconfig
@@ -96,6 +96,7 @@ config DRM_I915
         # i915 depends on ACPI_VIDEO when ACPI is enabled
         # but for select to work, need to select ACPI_VIDEO's dependencies, ick
         select BACKLIGHT_CLASS_DEVICE if ACPI
+        select VIDEO_OUTPUT_CONTROL if ACPI
         select INPUT if ACPI
         select ACPI_VIDEO if ACPI
         select ACPI_BUTTON if ACPI
diff --git a/drivers/gpu/drm/nouveau/nouveau_bios.c b/drivers/gpu/drm/nouveau/nouveau_bios.c
index 8314a49b6b9a..90aef64b76f2 100644
--- a/drivers/gpu/drm/nouveau/nouveau_bios.c
+++ b/drivers/gpu/drm/nouveau/nouveau_bios.c
@@ -269,7 +269,7 @@ struct init_tbl_entry {
         int (*handler)(struct nvbios *, uint16_t, struct init_exec *);
 };
 
-static int parse_init_table(struct nvbios *, unsigned int, struct init_exec *);
+static int parse_init_table(struct nvbios *, uint16_t, struct init_exec *);
 
 #define MACRO_INDEX_SIZE        2
 #define MACRO_SIZE              8
@@ -2011,6 +2011,27 @@ init_sub_direct(struct nvbios *bios, uint16_t offset, struct init_exec *iexec)
 }
 
 static int
+init_jump(struct nvbios *bios, uint16_t offset, struct init_exec *iexec)
+{
+        /*
+         * INIT_JUMP   opcode: 0x5C ('\')
+         *
+         * offset      (8  bit): opcode
+         * offset + 1  (16 bit): offset (in bios)
+         *
+         * Continue execution of init table from 'offset'
+         */
+
+        uint16_t jmp_offset = ROM16(bios->data[offset + 1]);
+
+        if (!iexec->execute)
+                return 3;
+
+        BIOSLOG(bios, "0x%04X: Jump to 0x%04X\n", offset, jmp_offset);
+        return jmp_offset - offset;
+}
+
+static int
 init_i2c_if(struct nvbios *bios, uint16_t offset, struct init_exec *iexec)
 {
         /*
@@ -3659,6 +3680,7 @@ static struct init_tbl_entry itbl_entry[] = {
         { "INIT_ZM_REG_SEQUENCE"              , 0x58, init_zm_reg_sequence            },
         /* INIT_INDIRECT_REG (0x5A, 7, 0, 0) removed due to no example of use */
         { "INIT_SUB_DIRECT"                   , 0x5B, init_sub_direct                 },
+        { "INIT_JUMP"                         , 0x5C, init_jump                       },
         { "INIT_I2C_IF"                       , 0x5E, init_i2c_if                     },
         { "INIT_COPY_NV_REG"                  , 0x5F, init_copy_nv_reg                },
         { "INIT_ZM_INDEX_IO"                  , 0x62, init_zm_index_io                },
@@ -3700,8 +3722,7 @@ static struct init_tbl_entry itbl_entry[] = {
 #define MAX_TABLE_OPS 1000
 
 static int
-parse_init_table(struct nvbios *bios, unsigned int offset,
-                 struct init_exec *iexec)
+parse_init_table(struct nvbios *bios, uint16_t offset, struct init_exec *iexec)
 {
         /*
          * Parses all commands in an init table.
@@ -6333,6 +6354,32 @@ apply_dcb_encoder_quirks(struct drm_device *dev, int idx, u32 *conn, u32 *conf)
                 }
         }
 
+        /* XFX GT-240X-YA
+         *
+         * So many things wrong here, replace the entire encoder table..
+         */
+        if (nv_match_device(dev, 0x0ca3, 0x1682, 0x3003)) {
+                if (idx == 0) {
+                        *conn = 0x02001300; /* VGA, connector 1 */
+                        *conf = 0x00000028;
+                } else
+                if (idx == 1) {
+                        *conn = 0x01010312; /* DVI, connector 0 */
+                        *conf = 0x00020030;
+                } else
+                if (idx == 2) {
+                        *conn = 0x01010310; /* VGA, connector 0 */
+                        *conf = 0x00000028;
+                } else
+                if (idx == 3) {
+                        *conn = 0x02022362; /* HDMI, connector 2 */
+                        *conf = 0x00020010;
+                } else {
+                        *conn = 0x0000000e; /* EOL */
+                        *conf = 0x00000000;
+                }
+        }
+
         return true;
 }
 
diff --git a/drivers/gpu/drm/nouveau/nouveau_drv.h b/drivers/gpu/drm/nouveau/nouveau_drv.h
index 57e5302503db..856d56a98d1e 100644
--- a/drivers/gpu/drm/nouveau/nouveau_drv.h
+++ b/drivers/gpu/drm/nouveau/nouveau_drv.h
@@ -1190,7 +1190,7 @@ extern int  nv50_graph_load_context(struct nouveau_channel *);
 extern int  nv50_graph_unload_context(struct drm_device *);
 extern int  nv50_grctx_init(struct nouveau_grctx *);
 extern void nv50_graph_tlb_flush(struct drm_device *dev);
-extern void nv86_graph_tlb_flush(struct drm_device *dev);
+extern void nv84_graph_tlb_flush(struct drm_device *dev);
 extern struct nouveau_enum nv50_data_error_names[];
 
 /* nvc0_graph.c */
diff --git a/drivers/gpu/drm/nouveau/nouveau_mem.c b/drivers/gpu/drm/nouveau/nouveau_mem.c
index 2683377f4131..78f467fe30be 100644
--- a/drivers/gpu/drm/nouveau/nouveau_mem.c
+++ b/drivers/gpu/drm/nouveau/nouveau_mem.c
@@ -552,6 +552,7 @@ nouveau_mem_timing_init(struct drm_device *dev)
         u8 tRC;         /* Byte 9 */
         u8 tUNK_10, tUNK_11, tUNK_12, tUNK_13, tUNK_14;
         u8 tUNK_18, tUNK_19, tUNK_20, tUNK_21;
+        u8 magic_number = 0; /* Yeah... sorry*/
         u8 *mem = NULL, *entry;
         int i, recordlen, entries;
 
@@ -596,6 +597,12 @@ nouveau_mem_timing_init(struct drm_device *dev)
         if (!memtimings->timing)
                 return;
 
+        /* Get "some number" from the timing reg for NV_40
+         * Used in calculations later */
+        if(dev_priv->card_type == NV_40) {
+                magic_number = (nv_rd32(dev,0x100228) & 0x0f000000) >> 24;
+        }
+
         entry = mem + mem[1];
         for (i = 0; i < entries; i++, entry += recordlen) {
                 struct nouveau_pm_memtiming *timing = &pm->memtimings.timing[i];
@@ -635,36 +642,51 @@ nouveau_mem_timing_init(struct drm_device *dev)
 
                 /* XXX: I don't trust the -1's and +1's... they must come
                  *      from somewhere! */
-                timing->reg_100224 = ((tUNK_0 + tUNK_19 + 1) << 24 |
+                timing->reg_100224 = (tUNK_0 + tUNK_19 + 1 + magic_number) << 24 |
                                       tUNK_18 << 16 |
-                                      (tUNK_1 + tUNK_19 + 1) << 8 |
-                                      (tUNK_2 - 1));
+                                      (tUNK_1 + tUNK_19 + 1 + magic_number) << 8;
+                if(dev_priv->chipset == 0xa8) {
+                        timing->reg_100224 |= (tUNK_2 - 1);
+                } else {
+                        timing->reg_100224 |= (tUNK_2 + 2 - magic_number);
+                }
 
                 timing->reg_100228 = (tUNK_12 << 16 | tUNK_11 << 8 | tUNK_10);
-                if(recordlen > 19) {
-                        timing->reg_100228 += (tUNK_19 - 1) << 24;
-                }/* I cannot back-up this else-statement right now
-                         else {
-                        timing->reg_100228 += tUNK_12 << 24;
-                }*/
-
-                /* XXX: reg_10022c */
-                timing->reg_10022c = tUNK_2 - 1;
-
-                timing->reg_100230 = (tUNK_20 << 24 | tUNK_21 << 16 |
-                                      tUNK_13 << 8  | tUNK_13);
-
-                /* XXX: +6? */
-                timing->reg_100234 = (tRAS << 24 | (tUNK_19 + 6) << 8 | tRC);
-                timing->reg_100234 += max(tUNK_10,tUNK_11) << 16;
-
-                /* XXX; reg_100238, reg_10023c
-                 * reg: 0x00??????
-                 * reg_10023c:
-                 *      0 for pre-NV50 cards
-                 *      0x????0202 for NV50+ cards (empirical evidence) */
-                if(dev_priv->card_type >= NV_50) {
+                if(dev_priv->chipset >= 0xa3 && dev_priv->chipset < 0xaa) {
+                        timing->reg_100228 |= (tUNK_19 - 1) << 24;
+                }
+
+                if(dev_priv->card_type == NV_40) {
+                        /* NV40: don't know what the rest of the regs are..
+                         * And don't need to know either */
+                        timing->reg_100228 |= 0x20200000 | magic_number << 24;
+                } else if(dev_priv->card_type >= NV_50) {
+                        /* XXX: reg_10022c */
+                        timing->reg_10022c = tUNK_2 - 1;
+
+                        timing->reg_100230 = (tUNK_20 << 24 | tUNK_21 << 16 |
+                                                  tUNK_13 << 8  | tUNK_13);
+
+                        timing->reg_100234 = (tRAS << 24 | tRC);
+                        timing->reg_100234 += max(tUNK_10,tUNK_11) << 16;
+
+                        if(dev_priv->chipset < 0xa3) {
+                                timing->reg_100234 |= (tUNK_2 + 2) << 8;
+                        } else {
+                                /* XXX: +6? */
+                                timing->reg_100234 |= (tUNK_19 + 6) << 8;
+                        }
+
+                        /* XXX; reg_100238, reg_10023c
+                         * reg_100238: 0x00??????
+                         * reg_10023c: 0x!!??0202 for NV50+ cards (empirical evidence) */
                         timing->reg_10023c = 0x202;
+                        if(dev_priv->chipset < 0xa3) {
+                                timing->reg_10023c |= 0x4000000 | (tUNK_2 - 1) << 16;
+                        } else {
+                                /* currently unknown
+                                 * 10023c seen as 06xxxxxx, 0bxxxxxx or 0fxxxxxx */
+                        }
                 }
 
                 NV_DEBUG(dev, "Entry %d: 220: %08x %08x %08x %08x\n", i,
@@ -675,7 +697,7 @@ nouveau_mem_timing_init(struct drm_device *dev)
                          timing->reg_100238, timing->reg_10023c);
         }
 
-        memtimings->nr_timing  = entries;
+        memtimings->nr_timing = entries;
         memtimings->supported = true;
 }
 
diff --git a/drivers/gpu/drm/nouveau/nouveau_perf.c b/drivers/gpu/drm/nouveau/nouveau_perf.c
index ac62a1b8c4fc..670e3cb697ec 100644
--- a/drivers/gpu/drm/nouveau/nouveau_perf.c
+++ b/drivers/gpu/drm/nouveau/nouveau_perf.c
@@ -134,7 +134,7 @@ nouveau_perf_init(struct drm_device *dev)
                 case 0x13:
                 case 0x15:
                         perflvl->fanspeed = entry[55];
-                        perflvl->voltage = entry[56];
+                        perflvl->voltage = (recordlen > 56) ? entry[56] : 0;
                         perflvl->core = ROM32(entry[1]) * 10;
                         perflvl->memory = ROM32(entry[5]) * 20;
                         break;
diff --git a/drivers/gpu/drm/nouveau/nouveau_state.c b/drivers/gpu/drm/nouveau/nouveau_state.c
index 5bb2859001e2..6e2b1a6caa2d 100644
--- a/drivers/gpu/drm/nouveau/nouveau_state.c
+++ b/drivers/gpu/drm/nouveau/nouveau_state.c
@@ -376,15 +376,11 @@ static int nouveau_init_engine_ptrs(struct drm_device *dev)
                 engine->graph.destroy_context   = nv50_graph_destroy_context;
                 engine->graph.load_context      = nv50_graph_load_context;
                 engine->graph.unload_context    = nv50_graph_unload_context;
-                if (dev_priv->chipset != 0x86)
+                if (dev_priv->chipset == 0x50 ||
+                    dev_priv->chipset == 0xac)
                         engine->graph.tlb_flush = nv50_graph_tlb_flush;
-                else {
-                        /* from what i can see nvidia do this on every
-                         * pre-NVA3 board except NVAC, but, we've only
-                         * ever seen problems on NV86
-                         */
-                        engine->graph.tlb_flush = nv86_graph_tlb_flush;
-                }
+                else
+                        engine->graph.tlb_flush = nv84_graph_tlb_flush;
                 engine->fifo.channels           = 128;
                 engine->fifo.init               = nv50_fifo_init;
                 engine->fifo.takedown           = nv50_fifo_takedown;
diff --git a/drivers/gpu/drm/nouveau/nv04_dfp.c b/drivers/gpu/drm/nouveau/nv04_dfp.c
index c82db37d9f41..12098bf839c4 100644
--- a/drivers/gpu/drm/nouveau/nv04_dfp.c
+++ b/drivers/gpu/drm/nouveau/nv04_dfp.c
@@ -581,12 +581,13 @@ static void nv04_dfp_restore(struct drm_encoder *encoder)
         int head = nv_encoder->restore.head;
 
         if (nv_encoder->dcb->type == OUTPUT_LVDS) {
-                struct drm_display_mode *native_mode = nouveau_encoder_connector_get(nv_encoder)->native_mode;
-                if (native_mode)
-                        call_lvds_script(dev, nv_encoder->dcb, head, LVDS_PANEL_ON,
-                                         native_mode->clock);
-                else
-                        NV_ERROR(dev, "Not restoring LVDS without native mode\n");
+                struct nouveau_connector *connector =
+                        nouveau_encoder_connector_get(nv_encoder);
+
+                if (connector && connector->native_mode)
+                        call_lvds_script(dev, nv_encoder->dcb, head,
+                                         LVDS_PANEL_ON,
+                                         connector->native_mode->clock);
 
         } else if (nv_encoder->dcb->type == OUTPUT_TMDS) {
                 int clock = nouveau_hw_pllvals_to_clk
diff --git a/drivers/gpu/drm/nouveau/nv50_crtc.c b/drivers/gpu/drm/nouveau/nv50_crtc.c
index 2b9984027f41..a19ccaa025b3 100644
--- a/drivers/gpu/drm/nouveau/nv50_crtc.c
+++ b/drivers/gpu/drm/nouveau/nv50_crtc.c
@@ -469,9 +469,6 @@ nv50_crtc_wait_complete(struct drm_crtc *crtc)
 
         start = ptimer->read(dev);
         do {
-                nv_wr32(dev, 0x61002c, 0x370);
-                nv_wr32(dev, 0x000140, 1);
-
                 if (nv_ro32(disp->ntfy, 0x000))
                         return 0;
         } while (ptimer->read(dev) - start < 2000000000ULL);
diff --git a/drivers/gpu/drm/nouveau/nv50_evo.c b/drivers/gpu/drm/nouveau/nv50_evo.c
index a2cfaa691e9b..c8e83c1a4de8 100644
--- a/drivers/gpu/drm/nouveau/nv50_evo.c
+++ b/drivers/gpu/drm/nouveau/nv50_evo.c
@@ -186,6 +186,7 @@ nv50_evo_channel_init(struct nouveau_channel *evo)
         nv_mask(dev, 0x610028, 0x00000000, 0x00010001 << id);
 
         evo->dma.max = (4096/4) - 2;
+        evo->dma.max &= ~7;
         evo->dma.put = 0;
         evo->dma.cur = evo->dma.put;
         evo->dma.free = evo->dma.max - evo->dma.cur;
diff --git a/drivers/gpu/drm/nouveau/nv50_graph.c b/drivers/gpu/drm/nouveau/nv50_graph.c
index 8675b00caf18..b02a5b1e7d37 100644
--- a/drivers/gpu/drm/nouveau/nv50_graph.c
+++ b/drivers/gpu/drm/nouveau/nv50_graph.c
@@ -503,7 +503,7 @@ nv50_graph_tlb_flush(struct drm_device *dev)
 }
 
 void
-nv86_graph_tlb_flush(struct drm_device *dev)
+nv84_graph_tlb_flush(struct drm_device *dev)
 {
         struct drm_nouveau_private *dev_priv = dev->dev_private;
         struct nouveau_timer_engine *ptimer = &dev_priv->engine.timer;
diff --git a/drivers/gpu/drm/nouveau/nvc0_vm.c b/drivers/gpu/drm/nouveau/nvc0_vm.c
index 69af0ba7edd3..a0a2a0277f73 100644
--- a/drivers/gpu/drm/nouveau/nvc0_vm.c
+++ b/drivers/gpu/drm/nouveau/nvc0_vm.c
@@ -104,20 +104,26 @@ nvc0_vm_flush(struct nouveau_vm *vm)
         struct nouveau_instmem_engine *pinstmem = &dev_priv->engine.instmem;
         struct drm_device *dev = vm->dev;
         struct nouveau_vm_pgd *vpgd;
-        u32 r100c80, engine;
+        u32 engine = (dev_priv->chan_vm == vm) ? 1 : 5;
 
         pinstmem->flush(vm->dev);
 
-        if (vm == dev_priv->chan_vm)
-                engine = 1;
-        else
-                engine = 5;
-
+        spin_lock(&dev_priv->ramin_lock);
         list_for_each_entry(vpgd, &vm->pgd_list, head) {
-                r100c80 = nv_rd32(dev, 0x100c80);
+                /* looks like maybe a "free flush slots" counter, the
+                 * faster you write to 0x100cbc to more it decreases
+                 */
+                if (!nv_wait_ne(dev, 0x100c80, 0x00ff0000, 0x00000000)) {
+                        NV_ERROR(dev, "vm timeout 0: 0x%08x %d\n",
+                                 nv_rd32(dev, 0x100c80), engine);
+                }
                 nv_wr32(dev, 0x100cb8, vpgd->obj->vinst >> 8);
                 nv_wr32(dev, 0x100cbc, 0x80000000 | engine);
-                if (!nv_wait(dev, 0x100c80, 0xffffffff, r100c80))
-                        NV_ERROR(dev, "vm flush timeout eng %d\n", engine);
+                /* wait for flush to be queued? */
+                if (!nv_wait(dev, 0x100c80, 0x00008000, 0x00008000)) {
+                        NV_ERROR(dev, "vm timeout 1: 0x%08x %d\n",
+                                 nv_rd32(dev, 0x100c80), engine);
+                }
         }
+        spin_unlock(&dev_priv->ramin_lock);
 }
diff --git a/drivers/gpu/drm/radeon/atom.c b/drivers/gpu/drm/radeon/atom.c
index 258fa5e7a2d9..d71d375149f8 100644
--- a/drivers/gpu/drm/radeon/atom.c
+++ b/drivers/gpu/drm/radeon/atom.c
@@ -32,6 +32,7 @@
 #include "atom.h"
 #include "atom-names.h"
 #include "atom-bits.h"
+#include "radeon.h"
 
 #define ATOM_COND_ABOVE         0
 #define ATOM_COND_ABOVEOREQUAL  1
@@ -101,7 +102,9 @@ static void debug_print_spaces(int n)
 static uint32_t atom_iio_execute(struct atom_context *ctx, int base,
                                  uint32_t index, uint32_t data)
 {
+        struct radeon_device *rdev = ctx->card->dev->dev_private;
         uint32_t temp = 0xCDCDCDCD;
+
         while (1)
                 switch (CU8(base)) {
                 case ATOM_IIO_NOP:
@@ -112,7 +115,8 @@ static uint32_t atom_iio_execute(struct atom_context *ctx, int base,
                         base += 3;
                         break;
                 case ATOM_IIO_WRITE:
-                        (void)ctx->card->ioreg_read(ctx->card, CU16(base + 1));
+                        if (rdev->family == CHIP_RV515)
+                                (void)ctx->card->ioreg_read(ctx->card, CU16(base + 1));
                         ctx->card->ioreg_write(ctx->card, CU16(base + 1), temp);
                         base += 3;
                         break;
diff --git a/drivers/gpu/drm/radeon/atombios_crtc.c b/drivers/gpu/drm/radeon/atombios_crtc.c
index b41ec59c7100..9d516a8c4dfa 100644
--- a/drivers/gpu/drm/radeon/atombios_crtc.c
+++ b/drivers/gpu/drm/radeon/atombios_crtc.c
@@ -531,6 +531,12 @@ static u32 atombios_adjust_pll(struct drm_crtc *crtc,
                         pll->flags |= RADEON_PLL_PREFER_HIGH_FB_DIV;
                 else
                         pll->flags |= RADEON_PLL_PREFER_LOW_REF_DIV;
+
+                if ((rdev->family == CHIP_R600) ||
+                    (rdev->family == CHIP_RV610) ||
+                    (rdev->family == CHIP_RV630) ||
+                    (rdev->family == CHIP_RV670))
+                        pll->flags |= RADEON_PLL_PREFER_MINM_OVER_MAXP;
         } else {
                 pll->flags |= RADEON_PLL_LEGACY;
 
diff --git a/drivers/gpu/drm/radeon/evergreen.c b/drivers/gpu/drm/radeon/evergreen.c
index 0b0cc74c08c0..3453910ee0f3 100644
--- a/drivers/gpu/drm/radeon/evergreen.c
+++ b/drivers/gpu/drm/radeon/evergreen.c
@@ -120,11 +120,16 @@ void evergreen_pm_misc(struct radeon_device *rdev)
         struct radeon_power_state *ps = &rdev->pm.power_state[req_ps_idx];
         struct radeon_voltage *voltage = &ps->clock_info[req_cm_idx].voltage;
 
-        if ((voltage->type == VOLTAGE_SW) && voltage->voltage) {
-                if (voltage->voltage != rdev->pm.current_vddc) {
-                        radeon_atom_set_voltage(rdev, voltage->voltage);
+        if (voltage->type == VOLTAGE_SW) {
+                if (voltage->voltage && (voltage->voltage != rdev->pm.current_vddc)) {
+                        radeon_atom_set_voltage(rdev, voltage->voltage, SET_VOLTAGE_TYPE_ASIC_VDDC);
                         rdev->pm.current_vddc = voltage->voltage;
-                        DRM_DEBUG("Setting: v: %d\n", voltage->voltage);
+                        DRM_DEBUG("Setting: vddc: %d\n", voltage->voltage);
+                }
+                if (voltage->vddci && (voltage->vddci != rdev->pm.current_vddci)) {
+                        radeon_atom_set_voltage(rdev, voltage->vddci, SET_VOLTAGE_TYPE_ASIC_VDDCI);
+                        rdev->pm.current_vddci = voltage->vddci;
+                        DRM_DEBUG("Setting: vddci: %d\n", voltage->vddci);
                 }
         }
 }
@@ -3036,9 +3041,6 @@ int evergreen_init(struct radeon_device *rdev)
 {
         int r;
 
-        r = radeon_dummy_page_init(rdev);
-        if (r)
-                return r;
         /* This don't do much */
         r = radeon_gem_init(rdev);
         if (r)
@@ -3150,7 +3152,6 @@ void evergreen_fini(struct radeon_device *rdev)
         radeon_atombios_fini(rdev);
         kfree(rdev->bios);
         rdev->bios = NULL;
-        radeon_dummy_page_fini(rdev);
 }
 
 static void evergreen_pcie_gen2_enable(struct radeon_device *rdev)
diff --git a/drivers/gpu/drm/radeon/r600.c b/drivers/gpu/drm/radeon/r600.c
index be271c42de4d..15d58292677a 100644
--- a/drivers/gpu/drm/radeon/r600.c
+++ b/drivers/gpu/drm/radeon/r600.c
@@ -587,7 +587,7 @@ void r600_pm_misc(struct radeon_device *rdev)
 
         if ((voltage->type == VOLTAGE_SW) && voltage->voltage) {
                 if (voltage->voltage != rdev->pm.current_vddc) {
-                        radeon_atom_set_voltage(rdev, voltage->voltage);
+                        radeon_atom_set_voltage(rdev, voltage->voltage, SET_VOLTAGE_TYPE_ASIC_VDDC);
                         rdev->pm.current_vddc = voltage->voltage;
                         DRM_DEBUG_DRIVER("Setting: v: %d\n", voltage->voltage);
                 }
@@ -2509,9 +2509,6 @@ int r600_init(struct radeon_device *rdev)
 {
         int r;
 
-        r = radeon_dummy_page_init(rdev);
-        if (r)
-                return r;
         if (r600_debugfs_mc_info_init(rdev)) {
                 DRM_ERROR("Failed to register debugfs file for mc !\n");
         }
@@ -2625,7 +2622,6 @@ void r600_fini(struct radeon_device *rdev)
         radeon_atombios_fini(rdev);
         kfree(rdev->bios);
         rdev->bios = NULL;
-        radeon_dummy_page_fini(rdev);
 }
 
 
diff --git a/drivers/gpu/drm/radeon/radeon.h b/drivers/gpu/drm/radeon/radeon.h
index 93f536594c73..ba643b576054 100644
--- a/drivers/gpu/drm/radeon/radeon.h
+++ b/drivers/gpu/drm/radeon/radeon.h
@@ -177,7 +177,7 @@ void radeon_pm_suspend(struct radeon_device *rdev);
 void radeon_pm_resume(struct radeon_device *rdev);
 void radeon_combios_get_power_modes(struct radeon_device *rdev);
 void radeon_atombios_get_power_modes(struct radeon_device *rdev);
-void radeon_atom_set_voltage(struct radeon_device *rdev, u16 level);
+void radeon_atom_set_voltage(struct radeon_device *rdev, u16 voltage_level, u8 voltage_type);
 void rs690_pm_info(struct radeon_device *rdev);
 extern int rv6xx_get_temp(struct radeon_device *rdev);
 extern int rv770_get_temp(struct radeon_device *rdev);
@@ -767,7 +767,9 @@ struct radeon_voltage {
         u8 vddci_id; /* index into vddci voltage table */
         bool vddci_enabled;
         /* r6xx+ sw */
-        u32 voltage;
+        u16 voltage;
+        /* evergreen+ vddci */
+        u16 vddci;
 };
 
 /* clock mode flags */
@@ -835,10 +837,12 @@ struct radeon_pm {
         int                     default_power_state_index;
         u32                     current_sclk;
         u32                     current_mclk;
-        u32                     current_vddc;
+        u16                     current_vddc;
+        u16                     current_vddci;
         u32                     default_sclk;
         u32                     default_mclk;
-        u32                     default_vddc;
+        u16                     default_vddc;
+        u16                     default_vddci;
         struct radeon_i2c_chan *i2c_bus;
         /* selected pm method */
         enum radeon_pm_method     pm_method;
diff --git a/drivers/gpu/drm/radeon/radeon_asic.c b/drivers/gpu/drm/radeon/radeon_asic.c
index eb888ee5f674..ca576191d058 100644
--- a/drivers/gpu/drm/radeon/radeon_asic.c
+++ b/drivers/gpu/drm/radeon/radeon_asic.c
@@ -94,7 +94,7 @@ static void radeon_register_accessor_init(struct radeon_device *rdev)
                 rdev->mc_rreg = &rs600_mc_rreg;
                 rdev->mc_wreg = &rs600_mc_wreg;
         }
-        if ((rdev->family >= CHIP_R600) && (rdev->family <= CHIP_HEMLOCK)) {
+        if (rdev->family >= CHIP_R600) {
                 rdev->pciep_rreg = &r600_pciep_rreg;
                 rdev->pciep_wreg = &r600_pciep_wreg;
         }
diff --git a/drivers/gpu/drm/radeon/radeon_atombios.c b/drivers/gpu/drm/radeon/radeon_atombios.c
index 99768d9d91da..f5d12fb103fa 100644
--- a/drivers/gpu/drm/radeon/radeon_atombios.c
+++ b/drivers/gpu/drm/radeon/radeon_atombios.c
@@ -2176,24 +2176,27 @@ static void radeon_atombios_add_pplib_thermal_controller(struct radeon_device *r
         }
 }
 
-static u16 radeon_atombios_get_default_vddc(struct radeon_device *rdev)
+static void radeon_atombios_get_default_voltages(struct radeon_device *rdev,
+                                                 u16 *vddc, u16 *vddci)
 {
         struct radeon_mode_info *mode_info = &rdev->mode_info;
         int index = GetIndexIntoMasterTable(DATA, FirmwareInfo);
         u8 frev, crev;
         u16 data_offset;
         union firmware_info *firmware_info;
-        u16 vddc = 0;
+
+        *vddc = 0;
+        *vddci = 0;
 
         if (atom_parse_data_header(mode_info->atom_context, index, NULL,
                                    &frev, &crev, &data_offset)) {
                 firmware_info =
                         (union firmware_info *)(mode_info->atom_context->bios +
                                                 data_offset);
-                vddc = le16_to_cpu(firmware_info->info_14.usBootUpVDDCVoltage);
+                *vddc = le16_to_cpu(firmware_info->info_14.usBootUpVDDCVoltage);
+                if ((frev == 2) && (crev >= 2))
+                        *vddci = le16_to_cpu(firmware_info->info_22.usBootUpVDDCIVoltage);
         }
-
-        return vddc;
 }
 
 static void radeon_atombios_parse_pplib_non_clock_info(struct radeon_device *rdev,
@@ -2203,7 +2206,9 @@ static void radeon_atombios_parse_pplib_non_clock_info(struct radeon_device *rde
         int j;
         u32 misc = le32_to_cpu(non_clock_info->ulCapsAndSettings);
         u32 misc2 = le16_to_cpu(non_clock_info->usClassification);
-        u16 vddc = radeon_atombios_get_default_vddc(rdev);
+        u16 vddc, vddci;
+
+        radeon_atombios_get_default_voltages(rdev, &vddc, &vddci);
 
         rdev->pm.power_state[state_index].misc = misc;
         rdev->pm.power_state[state_index].misc2 = misc2;
@@ -2244,6 +2249,7 @@ static void radeon_atombios_parse_pplib_non_clock_info(struct radeon_device *rde
                         rdev->pm.default_sclk = rdev->pm.power_state[state_index].clock_info[0].sclk;
                         rdev->pm.default_mclk = rdev->pm.power_state[state_index].clock_info[0].mclk;
                         rdev->pm.default_vddc = rdev->pm.power_state[state_index].clock_info[0].voltage.voltage;
+                        rdev->pm.default_vddci = rdev->pm.power_state[state_index].clock_info[0].voltage.vddci;
                 } else {
                         /* patch the table values with the default slck/mclk from firmware info */
                         for (j = 0; j < mode_index; j++) {
@@ -2286,6 +2292,8 @@ static bool radeon_atombios_parse_pplib_clock_info(struct radeon_device *rdev,
                         VOLTAGE_SW;
                 rdev->pm.power_state[state_index].clock_info[mode_index].voltage.voltage =
                         le16_to_cpu(clock_info->evergreen.usVDDC);
+                rdev->pm.power_state[state_index].clock_info[mode_index].voltage.vddci =
+                        le16_to_cpu(clock_info->evergreen.usVDDCI);
         } else {
                 sclk = le16_to_cpu(clock_info->r600.usEngineClockLow);
                 sclk |= clock_info->r600.ucEngineClockHigh << 16;
@@ -2577,25 +2585,25 @@ union set_voltage {
         struct _SET_VOLTAGE_PARAMETERS_V2 v2;
 };
 
-void radeon_atom_set_voltage(struct radeon_device *rdev, u16 level)
+void radeon_atom_set_voltage(struct radeon_device *rdev, u16 voltage_level, u8 voltage_type)
 {
         union set_voltage args;
         int index = GetIndexIntoMasterTable(COMMAND, SetVoltage);
-        u8 frev, crev, volt_index = level;
+        u8 frev, crev, volt_index = voltage_level;
 
         if (!atom_parse_cmd_header(rdev->mode_info.atom_context, index, &frev, &crev))
                 return;
 
         switch (crev) {
         case 1:
-                args.v1.ucVoltageType = SET_VOLTAGE_TYPE_ASIC_VDDC;
+                args.v1.ucVoltageType = voltage_type;
                 args.v1.ucVoltageMode = SET_ASIC_VOLTAGE_MODE_ALL_SOURCE;
                 args.v1.ucVoltageIndex = volt_index;
                 break;
         case 2:
-                args.v2.ucVoltageType = SET_VOLTAGE_TYPE_ASIC_VDDC;
+                args.v2.ucVoltageType = voltage_type;
                 args.v2.ucVoltageMode = SET_ASIC_VOLTAGE_MODE_SET_VOLTAGE;
-                args.v2.usVoltageLevel = cpu_to_le16(level);
+                args.v2.usVoltageLevel = cpu_to_le16(voltage_level);
                 break;
         default:
                 DRM_ERROR("Unknown table version %d, %d\n", frev, crev);
diff --git a/drivers/gpu/drm/radeon/radeon_fence.c b/drivers/gpu/drm/radeon/radeon_fence.c
index 9e59868d354e..bbcd1dd7bac0 100644
--- a/drivers/gpu/drm/radeon/radeon_fence.c
+++ b/drivers/gpu/drm/radeon/radeon_fence.c
@@ -79,7 +79,7 @@ static bool radeon_fence_poll_locked(struct radeon_device *rdev)
                         scratch_index = R600_WB_EVENT_OFFSET + rdev->fence_drv.scratch_reg - rdev->scratch.reg_base;
                 else
                         scratch_index = RADEON_WB_SCRATCH_OFFSET + rdev->fence_drv.scratch_reg - rdev->scratch.reg_base;
-                seq = rdev->wb.wb[scratch_index/4];
+                seq = le32_to_cpu(rdev->wb.wb[scratch_index/4]);
         } else
                 seq = RREG32(rdev->fence_drv.scratch_reg);
         if (seq != rdev->fence_drv.last_seq) {
diff --git a/drivers/gpu/drm/radeon/radeon_gart.c b/drivers/gpu/drm/radeon/radeon_gart.c
index f0534ef2f331..8a955bbdb608 100644
--- a/drivers/gpu/drm/radeon/radeon_gart.c
+++ b/drivers/gpu/drm/radeon/radeon_gart.c
@@ -285,4 +285,6 @@ void radeon_gart_fini(struct radeon_device *rdev)
         rdev->gart.pages = NULL;
         rdev->gart.pages_addr = NULL;
         rdev->gart.ttm_alloced = NULL;
+
+        radeon_dummy_page_fini(rdev);
 }
diff --git a/drivers/gpu/drm/radeon/radeon_i2c.c b/drivers/gpu/drm/radeon/radeon_i2c.c
index ded2a45bc95c..ccbabf734a61 100644
--- a/drivers/gpu/drm/radeon/radeon_i2c.c
+++ b/drivers/gpu/drm/radeon/radeon_i2c.c
@@ -1062,7 +1062,7 @@ void radeon_i2c_get_byte(struct radeon_i2c_chan *i2c_bus,
                 *val = in_buf[0];
                 DRM_DEBUG("val = 0x%02x\n", *val);
         } else {
-                DRM_ERROR("i2c 0x%02x 0x%02x read failed\n",
+                DRM_DEBUG("i2c 0x%02x 0x%02x read failed\n",
                           addr, *val);
         }
 }
@@ -1084,7 +1084,7 @@ void radeon_i2c_put_byte(struct radeon_i2c_chan *i2c_bus,
         out_buf[1] = val;
 
         if (i2c_transfer(&i2c_bus->adapter, &msg, 1) != 1)
-                DRM_ERROR("i2c 0x%02x 0x%02x write failed\n",
+                DRM_DEBUG("i2c 0x%02x 0x%02x write failed\n",
                           addr, val);
 }
 
diff --git a/drivers/gpu/drm/radeon/radeon_legacy_encoders.c b/drivers/gpu/drm/radeon/radeon_legacy_encoders.c
index 5b54268ed6b2..2f46e0c8df53 100644
--- a/drivers/gpu/drm/radeon/radeon_legacy_encoders.c
+++ b/drivers/gpu/drm/radeon/radeon_legacy_encoders.c
@@ -269,7 +269,7 @@ static const struct drm_encoder_helper_funcs radeon_legacy_lvds_helper_funcs = {
         .disable = radeon_legacy_encoder_disable,
 };
 
-#ifdef CONFIG_BACKLIGHT_CLASS_DEVICE
+#if defined(CONFIG_BACKLIGHT_CLASS_DEVICE) || defined(CONFIG_BACKLIGHT_CLASS_DEVICE_MODULE)
 
 #define MAX_RADEON_LEVEL 0xFF
 
diff --git a/drivers/gpu/drm/radeon/radeon_pm.c b/drivers/gpu/drm/radeon/radeon_pm.c
index 08de669e025a..86eda1ea94df 100644
--- a/drivers/gpu/drm/radeon/radeon_pm.c
+++ b/drivers/gpu/drm/radeon/radeon_pm.c
@@ -23,6 +23,7 @@
 #include "drmP.h"
 #include "radeon.h"
 #include "avivod.h"
+#include "atom.h"
 #ifdef CONFIG_ACPI
 #include <linux/acpi.h>
 #endif
@@ -535,7 +536,11 @@ void radeon_pm_resume(struct radeon_device *rdev)
         /* set up the default clocks if the MC ucode is loaded */
         if (ASIC_IS_DCE5(rdev) && rdev->mc_fw) {
                 if (rdev->pm.default_vddc)
-                        radeon_atom_set_voltage(rdev, rdev->pm.default_vddc);
+                        radeon_atom_set_voltage(rdev, rdev->pm.default_vddc,
+                                                SET_VOLTAGE_TYPE_ASIC_VDDC);
+                if (rdev->pm.default_vddci)
+                        radeon_atom_set_voltage(rdev, rdev->pm.default_vddci,
+                                                SET_VOLTAGE_TYPE_ASIC_VDDCI);
                 if (rdev->pm.default_sclk)
                         radeon_set_engine_clock(rdev, rdev->pm.default_sclk);
                 if (rdev->pm.default_mclk)
@@ -548,6 +553,7 @@ void radeon_pm_resume(struct radeon_device *rdev)
         rdev->pm.current_sclk = rdev->pm.default_sclk;
         rdev->pm.current_mclk = rdev->pm.default_mclk;
         rdev->pm.current_vddc = rdev->pm.power_state[rdev->pm.default_power_state_index].clock_info[0].voltage.voltage;
+        rdev->pm.current_vddci = rdev->pm.power_state[rdev->pm.default_power_state_index].clock_info[0].voltage.vddci;
         if (rdev->pm.pm_method == PM_METHOD_DYNPM
             && rdev->pm.dynpm_state == DYNPM_STATE_SUSPENDED) {
                 rdev->pm.dynpm_state = DYNPM_STATE_ACTIVE;
@@ -585,7 +591,8 @@ int radeon_pm_init(struct radeon_device *rdev)
                 /* set up the default clocks if the MC ucode is loaded */
                 if (ASIC_IS_DCE5(rdev) && rdev->mc_fw) {
                         if (rdev->pm.default_vddc)
-                                radeon_atom_set_voltage(rdev, rdev->pm.default_vddc);
+                                radeon_atom_set_voltage(rdev, rdev->pm.default_vddc,
+                                                        SET_VOLTAGE_TYPE_ASIC_VDDC);
                         if (rdev->pm.default_sclk)
                                 radeon_set_engine_clock(rdev, rdev->pm.default_sclk);
                         if (rdev->pm.default_mclk)
diff --git a/drivers/gpu/drm/radeon/radeon_ring.c b/drivers/gpu/drm/radeon/radeon_ring.c
index bbc9cd823334..c6776e48fdde 100644
--- a/drivers/gpu/drm/radeon/radeon_ring.c
+++ b/drivers/gpu/drm/radeon/radeon_ring.c
@@ -248,7 +248,7 @@ void radeon_ib_pool_fini(struct radeon_device *rdev)
 void radeon_ring_free_size(struct radeon_device *rdev)
 {
         if (rdev->wb.enabled)
-                rdev->cp.rptr = rdev->wb.wb[RADEON_WB_CP_RPTR_OFFSET/4];
+                rdev->cp.rptr = le32_to_cpu(rdev->wb.wb[RADEON_WB_CP_RPTR_OFFSET/4]);
         else {
                 if (rdev->family >= CHIP_R600)
                         rdev->cp.rptr = RREG32(R600_CP_RB_RPTR);
diff --git a/drivers/gpu/drm/radeon/rs600.c b/drivers/gpu/drm/radeon/rs600.c
index 876cebc4b8ba..6e3b11e5abbe 100644
--- a/drivers/gpu/drm/radeon/rs600.c
+++ b/drivers/gpu/drm/radeon/rs600.c
@@ -114,7 +114,7 @@ void rs600_pm_misc(struct radeon_device *rdev)
                                 udelay(voltage->delay);
                 }
         } else if (voltage->type == VOLTAGE_VDDC)
-                radeon_atom_set_voltage(rdev, voltage->vddc_id);
+                radeon_atom_set_voltage(rdev, voltage->vddc_id, SET_VOLTAGE_TYPE_ASIC_VDDC);
 
         dyn_pwrmgt_sclk_length = RREG32_PLL(DYN_PWRMGT_SCLK_LENGTH);
         dyn_pwrmgt_sclk_length &= ~REDUCED_POWER_SCLK_HILEN(0xf);
diff --git a/drivers/gpu/drm/radeon/rv770.c b/drivers/gpu/drm/radeon/rv770.c
index b974ac7df8df..ef8a5babe9f7 100644
--- a/drivers/gpu/drm/radeon/rv770.c
+++ b/drivers/gpu/drm/radeon/rv770.c
@@ -106,7 +106,7 @@ void rv770_pm_misc(struct radeon_device *rdev)
 
         if ((voltage->type == VOLTAGE_SW) && voltage->voltage) {
                 if (voltage->voltage != rdev->pm.current_vddc) {
-                        radeon_atom_set_voltage(rdev, voltage->voltage);
+                        radeon_atom_set_voltage(rdev, voltage->voltage, SET_VOLTAGE_TYPE_ASIC_VDDC);
                         rdev->pm.current_vddc = voltage->voltage;
                         DRM_DEBUG("Setting: v: %d\n", voltage->voltage);
                 }
@@ -1255,9 +1255,6 @@ int rv770_init(struct radeon_device *rdev)
 {
         int r;
 
-        r = radeon_dummy_page_init(rdev);
-        if (r)
-                return r;
         /* This don't do much */
         r = radeon_gem_init(rdev);
         if (r)
@@ -1372,7 +1369,6 @@ void rv770_fini(struct radeon_device *rdev)
         radeon_atombios_fini(rdev);
         kfree(rdev->bios);
         rdev->bios = NULL;
-        radeon_dummy_page_fini(rdev);
 }
 
 static void rv770_pcie_gen2_enable(struct radeon_device *rdev)
diff --git a/drivers/gpu/drm/ttm/ttm_page_alloc.c b/drivers/gpu/drm/ttm/ttm_page_alloc.c
index 737a2a2e46a5..9d9d92945f8c 100644
--- a/drivers/gpu/drm/ttm/ttm_page_alloc.c
+++ b/drivers/gpu/drm/ttm/ttm_page_alloc.c
@@ -683,22 +683,14 @@ int ttm_get_pages(struct list_head *pages, int flags,
                         gfp_flags |= GFP_HIGHUSER;
 
                 for (r = 0; r < count; ++r) {
-                        if ((flags & TTM_PAGE_FLAG_DMA32) && dma_address) {
-                                void *addr;
-                                addr = dma_alloc_coherent(NULL, PAGE_SIZE,
-                                                          &dma_address[r],
-                                                          gfp_flags);
-                                if (addr == NULL)
-                                        return -ENOMEM;
-                                p = virt_to_page(addr);
-                        } else
-                                p = alloc_page(gfp_flags);
+                        p = alloc_page(gfp_flags);
                         if (!p) {
 
                                 printk(KERN_ERR TTM_PFX
                                        "Unable to allocate page.");
                                 return -ENOMEM;
                         }
+
                         list_add(&p->lru, pages);
                 }
                 return 0;
@@ -746,24 +738,12 @@ void ttm_put_pages(struct list_head *pages, unsigned page_count, int flags,
         unsigned long irq_flags;
         struct ttm_page_pool *pool = ttm_get_pool(flags, cstate);
         struct page *p, *tmp;
-        unsigned r;
 
         if (pool == NULL) {
                 /* No pool for this memory type so free the pages */
 
-                r = page_count-1;
                 list_for_each_entry_safe(p, tmp, pages, lru) {
-                        if ((flags & TTM_PAGE_FLAG_DMA32) && dma_address) {
-                                void *addr = page_address(p);
-                                WARN_ON(!addr || !dma_address[r]);
-                                if (addr)
-                                        dma_free_coherent(NULL, PAGE_SIZE,
-                                                          addr,
-                                                          dma_address[r]);
-                                dma_address[r] = 0;
-                        } else
-                                __free_page(p);
-                        r--;
+                        __free_page(p);
                 }
                 /* Make the pages list empty */
                 INIT_LIST_HEAD(pages);
diff --git a/drivers/gpu/stub/Kconfig b/drivers/gpu/stub/Kconfig
index 70e60a4bb678..419917955bf6 100644
--- a/drivers/gpu/stub/Kconfig
+++ b/drivers/gpu/stub/Kconfig
@@ -5,6 +5,7 @@ config STUB_POULSBO
         # Poulsbo stub depends on ACPI_VIDEO when ACPI is enabled
         # but for select to work, need to select ACPI_VIDEO's dependencies, ick
         select BACKLIGHT_CLASS_DEVICE if ACPI
+        select VIDEO_OUTPUT_CONTROL if ACPI
         select INPUT if ACPI
         select ACPI_VIDEO if ACPI
         select THERMAL if ACPI
diff --git a/drivers/i2c/algos/i2c-algo-bit.c b/drivers/i2c/algos/i2c-algo-bit.c
index 38319a69bd0a..d6d58684712b 100644
--- a/drivers/i2c/algos/i2c-algo-bit.c
+++ b/drivers/i2c/algos/i2c-algo-bit.c
@@ -232,9 +232,17 @@ static int i2c_inb(struct i2c_adapter *i2c_adap)
  * Sanity check for the adapter hardware - check the reaction of
  * the bus lines only if it seems to be idle.
  */
-static int test_bus(struct i2c_algo_bit_data *adap, char *name)
+static int test_bus(struct i2c_adapter *i2c_adap)
 {
-        int scl, sda;
+        struct i2c_algo_bit_data *adap = i2c_adap->algo_data;
+        const char *name = i2c_adap->name;
+        int scl, sda, ret;
+
+        if (adap->pre_xfer) {
+                ret = adap->pre_xfer(i2c_adap);
+                if (ret < 0)
+                        return -ENODEV;
+        }
 
         if (adap->getscl == NULL)
                 pr_info("%s: Testing SDA only, SCL is not readable\n", name);
@@ -297,11 +305,19 @@ static int test_bus(struct i2c_algo_bit_data *adap, char *name)
                        "while pulling SCL high!\n", name);
                 goto bailout;
         }
+
+        if (adap->post_xfer)
+                adap->post_xfer(i2c_adap);
+
         pr_info("%s: Test OK\n", name);
         return 0;
 bailout:
         sdahi(adap);
         sclhi(adap);
+
+        if (adap->post_xfer)
+                adap->post_xfer(i2c_adap);
+
         return -ENODEV;
 }
 
@@ -607,7 +623,7 @@ static int __i2c_bit_add_bus(struct i2c_adapter *adap,
         int ret;
 
         if (bit_test) {
-                ret = test_bus(bit_adap, adap->name);
+                ret = test_bus(adap);
                 if (ret < 0)
                         return -ENODEV;
         }
diff --git a/drivers/i2c/i2c-core.c b/drivers/i2c/i2c-core.c
index 70c30e6bce0b..9a58994ff7ea 100644
--- a/drivers/i2c/i2c-core.c
+++ b/drivers/i2c/i2c-core.c
@@ -797,7 +797,8 @@ static int i2c_do_add_adapter(struct i2c_driver *driver,
 
         /* Let legacy drivers scan this bus for matching devices */
         if (driver->attach_adapter) {
-                dev_warn(&adap->dev, "attach_adapter method is deprecated\n");
+                dev_warn(&adap->dev, "%s: attach_adapter method is deprecated\n",
+                         driver->driver.name);
                 dev_warn(&adap->dev, "Please use another way to instantiate "
                          "your i2c_client\n");
                 /* We ignore the return code; if it fails, too bad */
@@ -984,7 +985,8 @@ static int i2c_do_del_adapter(struct i2c_driver *driver,
 
         if (!driver->detach_adapter)
                 return 0;
-        dev_warn(&adapter->dev, "detach_adapter method is deprecated\n");
+        dev_warn(&adapter->dev, "%s: detach_adapter method is deprecated\n",
+                 driver->driver.name);
         res = driver->detach_adapter(adapter);
         if (res)
                 dev_err(&adapter->dev, "detach_adapter failed (%d) "
diff --git a/drivers/input/evdev.c b/drivers/input/evdev.c
index 7f42d3a454d2..88d8e4cb419a 100644
--- a/drivers/input/evdev.c
+++ b/drivers/input/evdev.c
@@ -39,13 +39,13 @@ struct evdev {
 };
 
 struct evdev_client {
-        int head;
-        int tail;
+        unsigned int head;
+        unsigned int tail;
         spinlock_t buffer_lock; /* protects access to buffer, head and tail */
         struct fasync_struct *fasync;
         struct evdev *evdev;
         struct list_head node;
-        int bufsize;
+        unsigned int bufsize;
         struct input_event buffer[];
 };
 
@@ -55,16 +55,25 @@ static DEFINE_MUTEX(evdev_table_mutex);
 static void evdev_pass_event(struct evdev_client *client,
                              struct input_event *event)
 {
-        /*
-         * Interrupts are disabled, just acquire the lock.
-         * Make sure we don't leave with the client buffer
-         * "empty" by having client->head == client->tail.
-         */
+        /* Interrupts are disabled, just acquire the lock. */
         spin_lock(&client->buffer_lock);
-        do {
-                client->buffer[client->head++] = *event;
-                client->head &= client->bufsize - 1;
-        } while (client->head == client->tail);
+
+        client->buffer[client->head++] = *event;
+        client->head &= client->bufsize - 1;
+
+        if (unlikely(client->head == client->tail)) {
+                /*
+                 * This effectively "drops" all unconsumed events, leaving
+                 * EV_SYN/SYN_DROPPED plus the newest event in the queue.
+                 */
+                client->tail = (client->head - 2) & (client->bufsize - 1);
+
+                client->buffer[client->tail].time = event->time;
+                client->buffer[client->tail].type = EV_SYN;
+                client->buffer[client->tail].code = SYN_DROPPED;
+                client->buffer[client->tail].value = 0;
+        }
+
         spin_unlock(&client->buffer_lock);
 
         if (event->type == EV_SYN)
diff --git a/drivers/input/input.c b/drivers/input/input.c
index d6e8bd8a851c..ebbceedc92f4 100644
--- a/drivers/input/input.c
+++ b/drivers/input/input.c
@@ -1746,6 +1746,42 @@ void input_set_capability(struct input_dev *dev, unsigned int type, unsigned int
 }
 EXPORT_SYMBOL(input_set_capability);
 
+static unsigned int input_estimate_events_per_packet(struct input_dev *dev)
+{
+        int mt_slots;
+        int i;
+        unsigned int events;
+
+        if (dev->mtsize) {
+                mt_slots = dev->mtsize;
+        } else if (test_bit(ABS_MT_TRACKING_ID, dev->absbit)) {
+                mt_slots = dev->absinfo[ABS_MT_TRACKING_ID].maximum -
+                           dev->absinfo[ABS_MT_TRACKING_ID].minimum + 1,
+                clamp(mt_slots, 2, 32);
+        } else if (test_bit(ABS_MT_POSITION_X, dev->absbit)) {
+                mt_slots = 2;
+        } else {
+                mt_slots = 0;
+        }
+
+        events = mt_slots + 1; /* count SYN_MT_REPORT and SYN_REPORT */
+
+        for (i = 0; i < ABS_CNT; i++) {
+                if (test_bit(i, dev->absbit)) {
+                        if (input_is_mt_axis(i))
+                                events += mt_slots;
+                        else
+                                events++;
+                }
+        }
+
+        for (i = 0; i < REL_CNT; i++)
+                if (test_bit(i, dev->relbit))
+                        events++;
+
+        return events;
+}
+
 #define INPUT_CLEANSE_BITMASK(dev, type, bits)                          \
         do {                                                            \
                 if (!test_bit(EV_##type, dev->evbit))                   \
@@ -1793,6 +1829,10 @@ int input_register_device(struct input_dev *dev)
         /* Make sure that bitmasks not mentioned in dev->evbit are clean. */
         input_cleanse_bitmasks(dev);
 
+        if (!dev->hint_events_per_packet)
+                dev->hint_events_per_packet =
+                                input_estimate_events_per_packet(dev);
+
         /*
          * If delay and period are pre-set by the driver, then autorepeating
          * is handled by the driver itself and we don't do it in input.c.
diff --git a/drivers/input/keyboard/twl4030_keypad.c b/drivers/input/keyboard/twl4030_keypad.c
index 09bef79d9da1..a26922cf0e84 100644
--- a/drivers/input/keyboard/twl4030_keypad.c
+++ b/drivers/input/keyboard/twl4030_keypad.c
@@ -332,18 +332,20 @@ static int __devinit twl4030_kp_program(struct twl4030_keypad *kp)
 static int __devinit twl4030_kp_probe(struct platform_device *pdev)
 {
         struct twl4030_keypad_data *pdata = pdev->dev.platform_data;
-        const struct matrix_keymap_data *keymap_data = pdata->keymap_data;
+        const struct matrix_keymap_data *keymap_data;
         struct twl4030_keypad *kp;
         struct input_dev *input;
         u8 reg;
         int error;
 
-        if (!pdata || !pdata->rows || !pdata->cols ||
+        if (!pdata || !pdata->rows || !pdata->cols || !pdata->keymap_data ||
             pdata->rows > TWL4030_MAX_ROWS || pdata->cols > TWL4030_MAX_COLS) {
                 dev_err(&pdev->dev, "Invalid platform_data\n");
                 return -EINVAL;
         }
 
+        keymap_data = pdata->keymap_data;
+
         kp = kzalloc(sizeof(*kp), GFP_KERNEL);
         input = input_allocate_device();
         if (!kp || !input) {
diff --git a/drivers/input/misc/xen-kbdfront.c b/drivers/input/misc/xen-kbdfront.c
index 7077f9bf5ead..62bae99424e6 100644
--- a/drivers/input/misc/xen-kbdfront.c
+++ b/drivers/input/misc/xen-kbdfront.c
@@ -303,7 +303,7 @@ static void xenkbd_backend_changed(struct xenbus_device *dev,
                                    enum xenbus_state backend_state)
 {
         struct xenkbd_info *info = dev_get_drvdata(&dev->dev);
-        int val;
+        int ret, val;
 
         switch (backend_state) {
         case XenbusStateInitialising:
@@ -316,6 +316,17 @@ static void xenkbd_backend_changed(struct xenbus_device *dev,
 
         case XenbusStateInitWait:
 InitWait:
+                ret = xenbus_scanf(XBT_NIL, info->xbdev->otherend,
+                                   "feature-abs-pointer", "%d", &val);
+                if (ret < 0)
+                        val = 0;
+                if (val) {
+                        ret = xenbus_printf(XBT_NIL, info->xbdev->nodename,
+                                            "request-abs-pointer", "1");
+                        if (ret)
+                                pr_warning("xenkbd: can't request abs-pointer");
+                }
+
                 xenbus_switch_state(dev, XenbusStateConnected);
                 break;
 
diff --git a/drivers/input/touchscreen/h3600_ts_input.c b/drivers/input/touchscreen/h3600_ts_input.c
index efa06882de00..45f93d0f5592 100644
--- a/drivers/input/touchscreen/h3600_ts_input.c
+++ b/drivers/input/touchscreen/h3600_ts_input.c
@@ -399,31 +399,34 @@ static int h3600ts_connect(struct serio *serio, struct serio_driver *drv)
                         IRQF_SHARED | IRQF_DISABLED, "h3600_action", &ts->dev)) {
                 printk(KERN_ERR "h3600ts.c: Could not allocate Action Button IRQ!\n");
                 err = -EBUSY;
-                goto fail2;
+                goto fail1;
         }
 
         if (request_irq(IRQ_GPIO_BITSY_NPOWER_BUTTON, npower_button_handler,
                         IRQF_SHARED | IRQF_DISABLED, "h3600_suspend", &ts->dev)) {
                 printk(KERN_ERR "h3600ts.c: Could not allocate Power Button IRQ!\n");
                 err = -EBUSY;
-                goto fail3;
+                goto fail2;
         }
 
         serio_set_drvdata(serio, ts);
 
         err = serio_open(serio, drv);
         if (err)
-                return err;
+                goto fail3;
 
         //h3600_flite_control(1, 25);     /* default brightness */
-        input_register_device(ts->dev);
+        err = input_register_device(ts->dev);
+        if (err)
+                goto fail4;
 
         return 0;
 
-fail3:  free_irq(IRQ_GPIO_BITSY_NPOWER_BUTTON, ts->dev);
+fail4:  serio_close(serio);
+fail3:  serio_set_drvdata(serio, NULL);
+        free_irq(IRQ_GPIO_BITSY_NPOWER_BUTTON, ts->dev);
 fail2:  free_irq(IRQ_GPIO_BITSY_ACTION_BUTTON, ts->dev);
-fail1:  serio_set_drvdata(serio, NULL);
-        input_free_device(input_dev);
+fail1:  input_free_device(input_dev);
         kfree(ts);
         return err;
 }
diff --git a/drivers/leds/leds-regulator.c b/drivers/leds/leds-regulator.c
index 3790816643be..8497f56f8e46 100644
--- a/drivers/leds/leds-regulator.c
+++ b/drivers/leds/leds-regulator.c
@@ -178,6 +178,10 @@ static int __devinit regulator_led_probe(struct platform_device *pdev)
         led->cdev.flags |= LED_CORE_SUSPENDRESUME;
         led->vcc = vcc;
 
+        /* to handle correctly an already enabled regulator */
+        if (regulator_is_enabled(led->vcc))
+                led->enabled = 1;
+
         mutex_init(&led->mutex);
         INIT_WORK(&led->work, led_work);
 
diff --git a/drivers/md/dm-raid.c b/drivers/md/dm-raid.c
index 5ef136cdba91..e5d8904fc8f6 100644
--- a/drivers/md/dm-raid.c
+++ b/drivers/md/dm-raid.c
@@ -390,13 +390,6 @@ static int raid_is_congested(struct dm_target_callbacks *cb, int bits)
         return md_raid5_congested(&rs->md, bits);
 }
 
-static void raid_unplug(struct dm_target_callbacks *cb)
-{
-        struct raid_set *rs = container_of(cb, struct raid_set, callbacks);
-
-        md_raid5_kick_device(rs->md.private);
-}
-
 /*
  * Construct a RAID4/5/6 mapping:
  * Args:
@@ -487,7 +480,6 @@ static int raid_ctr(struct dm_target *ti, unsigned argc, char **argv)
         }
 
         rs->callbacks.congested_fn = raid_is_congested;
-        rs->callbacks.unplug_fn = raid_unplug;
         dm_table_add_target_callbacks(ti->table, &rs->callbacks);
 
         return 0;
diff --git a/drivers/md/md.c b/drivers/md/md.c
index b12b3776c0c0..6e853c61d87e 100644
--- a/drivers/md/md.c
+++ b/drivers/md/md.c
@@ -447,48 +447,59 @@ EXPORT_SYMBOL(md_flush_request);
 
 /* Support for plugging.
  * This mirrors the plugging support in request_queue, but does not
- * require having a whole queue
+ * require having a whole queue or request structures.
+ * We allocate an md_plug_cb for each md device and each thread it gets
+ * plugged on.  This links tot the private plug_handle structure in the
+ * personality data where we keep a count of the number of outstanding
+ * plugs so other code can see if a plug is active.
  */
-static void plugger_work(struct work_struct *work)
-{
-        struct plug_handle *plug =
-                container_of(work, struct plug_handle, unplug_work);
-        plug->unplug_fn(plug);
-}
-static void plugger_timeout(unsigned long data)
-{
-        struct plug_handle *plug = (void *)data;
-        kblockd_schedule_work(NULL, &plug->unplug_work);
-}
-void plugger_init(struct plug_handle *plug,
-                  void (*unplug_fn)(struct plug_handle *))
-{
-        plug->unplug_flag = 0;
-        plug->unplug_fn = unplug_fn;
-        init_timer(&plug->unplug_timer);
-        plug->unplug_timer.function = plugger_timeout;
-        plug->unplug_timer.data = (unsigned long)plug;
-        INIT_WORK(&plug->unplug_work, plugger_work);
-}
-EXPORT_SYMBOL_GPL(plugger_init);
+struct md_plug_cb {
+        struct blk_plug_cb cb;
+        mddev_t *mddev;
+};
 
-void plugger_set_plug(struct plug_handle *plug)
+static void plugger_unplug(struct blk_plug_cb *cb)
 {
-        if (!test_and_set_bit(PLUGGED_FLAG, &plug->unplug_flag))
-                mod_timer(&plug->unplug_timer, jiffies + msecs_to_jiffies(3)+1);
+        struct md_plug_cb *mdcb = container_of(cb, struct md_plug_cb, cb);
+        if (atomic_dec_and_test(&mdcb->mddev->plug_cnt))
+                md_wakeup_thread(mdcb->mddev->thread);
+        kfree(mdcb);
 }
-EXPORT_SYMBOL_GPL(plugger_set_plug);
 
-int plugger_remove_plug(struct plug_handle *plug)
+/* Check that an unplug wakeup will come shortly.
+ * If not, wakeup the md thread immediately
+ */
+int mddev_check_plugged(mddev_t *mddev)
 {
-        if (test_and_clear_bit(PLUGGED_FLAG, &plug->unplug_flag)) {
-                del_timer(&plug->unplug_timer);
-                return 1;
-        } else
+        struct blk_plug *plug = current->plug;
+        struct md_plug_cb *mdcb;
+
+        if (!plug)
+                return 0;
+
+        list_for_each_entry(mdcb, &plug->cb_list, cb.list) {
+                if (mdcb->cb.callback == plugger_unplug &&
+                    mdcb->mddev == mddev) {
+                        /* Already on the list, move to top */
+                        if (mdcb != list_first_entry(&plug->cb_list,
+                                                    struct md_plug_cb,
+                                                    cb.list))
+                                list_move(&mdcb->cb.list, &plug->cb_list);
+                        return 1;
+                }
+        }
+        /* Not currently on the callback list */
+        mdcb = kmalloc(sizeof(*mdcb), GFP_ATOMIC);
+        if (!mdcb)
                 return 0;
-}
-EXPORT_SYMBOL_GPL(plugger_remove_plug);
 
+        mdcb->mddev = mddev;
+        mdcb->cb.callback = plugger_unplug;
+        atomic_inc(&mddev->plug_cnt);
+        list_add(&mdcb->cb.list, &plug->cb_list);
+        return 1;
+}
+EXPORT_SYMBOL_GPL(mddev_check_plugged);
 
 static inline mddev_t *mddev_get(mddev_t *mddev)
 {
@@ -538,6 +549,7 @@ void mddev_init(mddev_t *mddev)
         atomic_set(&mddev->active, 1);
         atomic_set(&mddev->openers, 0);
         atomic_set(&mddev->active_io, 0);
+        atomic_set(&mddev->plug_cnt, 0);
         spin_lock_init(&mddev->write_lock);
         atomic_set(&mddev->flush_pending, 0);
         init_waitqueue_head(&mddev->sb_wait);
@@ -4723,7 +4735,6 @@ static void md_clean(mddev_t *mddev)
         mddev->bitmap_info.chunksize = 0;
         mddev->bitmap_info.daemon_sleep = 0;
         mddev->bitmap_info.max_write_behind = 0;
-        mddev->plug = NULL;
 }
 
 static void __md_stop_writes(mddev_t *mddev)
@@ -6688,12 +6699,6 @@ int md_allow_write(mddev_t *mddev)
 }
 EXPORT_SYMBOL_GPL(md_allow_write);
 
-void md_unplug(mddev_t *mddev)
-{
-        if (mddev->plug)
-                mddev->plug->unplug_fn(mddev->plug);
-}
-
 #define SYNC_MARKS      10
 #define SYNC_MARK_STEP  (3*HZ)
 void md_do_sync(mddev_t *mddev)
diff --git a/drivers/md/md.h b/drivers/md/md.h
index 52b407369e13..0b1fd3f1d85b 100644
--- a/drivers/md/md.h
+++ b/drivers/md/md.h
@@ -29,26 +29,6 @@
 typedef struct mddev_s mddev_t;
 typedef struct mdk_rdev_s mdk_rdev_t;
 
-/* generic plugging support - like that provided with request_queue,
- * but does not require a request_queue
- */
-struct plug_handle {
-        void                    (*unplug_fn)(struct plug_handle *);
-        struct timer_list       unplug_timer;
-        struct work_struct      unplug_work;
-        unsigned long           unplug_flag;
-};
-#define PLUGGED_FLAG 1
-void plugger_init(struct plug_handle *plug,
-                  void (*unplug_fn)(struct plug_handle *));
-void plugger_set_plug(struct plug_handle *plug);
-int plugger_remove_plug(struct plug_handle *plug);
-static inline void plugger_flush(struct plug_handle *plug)
-{
-        del_timer_sync(&plug->unplug_timer);
-        cancel_work_sync(&plug->unplug_work);
-}
-
 /*
  * MD's 'extended' device
  */
@@ -199,6 +179,9 @@ struct mddev_s
         int                             delta_disks, new_level, new_layout;
         int                             new_chunk_sectors;
 
+        atomic_t                        plug_cnt;       /* If device is expecting
+                                                         * more bios soon.
+                                                         */
         struct mdk_thread_s             *thread;        /* management thread */
         struct mdk_thread_s             *sync_thread;   /* doing resync or reconstruct */
         sector_t                        curr_resync;    /* last block scheduled */
@@ -336,7 +319,6 @@ struct mddev_s
         struct list_head                all_mddevs;
 
         struct attribute_group          *to_remove;
-        struct plug_handle              *plug; /* if used by personality */
 
         struct bio_set                  *bio_set;
 
@@ -516,7 +498,6 @@ extern int md_integrity_register(mddev_t *mddev);
 extern void md_integrity_add_rdev(mdk_rdev_t *rdev, mddev_t *mddev);
 extern int strict_strtoul_scaled(const char *cp, unsigned long *res, int scale);
 extern void restore_bitmap_write_access(struct file *file);
-extern void md_unplug(mddev_t *mddev);
 
 extern void mddev_init(mddev_t *mddev);
 extern int md_run(mddev_t *mddev);
@@ -530,4 +511,5 @@ extern struct bio *bio_clone_mddev(struct bio *bio, gfp_t gfp_mask,
                                    mddev_t *mddev);
 extern struct bio *bio_alloc_mddev(gfp_t gfp_mask, int nr_iovecs,
                                    mddev_t *mddev);
+extern int mddev_check_plugged(mddev_t *mddev);
 #endif /* _MD_MD_H */
diff --git a/drivers/md/raid1.c b/drivers/md/raid1.c
index c2a21ae56d97..2b7a7ff401dc 100644
--- a/drivers/md/raid1.c
+++ b/drivers/md/raid1.c
@@ -565,12 +565,6 @@ static void flush_pending_writes(conf_t *conf)
                 spin_unlock_irq(&conf->device_lock);
 }
 
-static void md_kick_device(mddev_t *mddev)
-{
-        blk_flush_plug(current);
-        md_wakeup_thread(mddev->thread);
-}
-
 /* Barriers....
  * Sometimes we need to suspend IO while we do something else,
  * either some resync/recovery, or reconfigure the array.
@@ -600,7 +594,7 @@ static void raise_barrier(conf_t *conf)
 
         /* Wait until no block IO is waiting */
         wait_event_lock_irq(conf->wait_barrier, !conf->nr_waiting,
-                            conf->resync_lock, md_kick_device(conf->mddev));
+                            conf->resync_lock, );
 
         /* block any new IO from starting */
         conf->barrier++;
@@ -608,7 +602,7 @@ static void raise_barrier(conf_t *conf)
         /* Now wait for all pending IO to complete */
         wait_event_lock_irq(conf->wait_barrier,
                             !conf->nr_pending && conf->barrier < RESYNC_DEPTH,
-                            conf->resync_lock, md_kick_device(conf->mddev));
+                            conf->resync_lock, );
 
         spin_unlock_irq(&conf->resync_lock);
 }
@@ -630,7 +624,7 @@ static void wait_barrier(conf_t *conf)
                 conf->nr_waiting++;
                 wait_event_lock_irq(conf->wait_barrier, !conf->barrier,
                                     conf->resync_lock,
-                                    md_kick_device(conf->mddev));
+                                    );
                 conf->nr_waiting--;
         }
         conf->nr_pending++;
@@ -666,8 +660,7 @@ static void freeze_array(conf_t *conf)
         wait_event_lock_irq(conf->wait_barrier,
                             conf->nr_pending == conf->nr_queued+1,
                             conf->resync_lock,
-                            ({ flush_pending_writes(conf);
-                               md_kick_device(conf->mddev); }));
+                            flush_pending_writes(conf));
         spin_unlock_irq(&conf->resync_lock);
 }
 static void unfreeze_array(conf_t *conf)
@@ -729,6 +722,7 @@ static int make_request(mddev_t *mddev, struct bio * bio)
         const unsigned long do_sync = (bio->bi_rw & REQ_SYNC);
         const unsigned long do_flush_fua = (bio->bi_rw & (REQ_FLUSH | REQ_FUA));
         mdk_rdev_t *blocked_rdev;
+        int plugged;
 
         /*
          * Register the new request and wait if the reconstruction
@@ -820,6 +814,8 @@ static int make_request(mddev_t *mddev, struct bio * bio)
          * inc refcount on their rdev.  Record them by setting
          * bios[x] to bio
          */
+        plugged = mddev_check_plugged(mddev);
+
         disks = conf->raid_disks;
  retry_write:
         blocked_rdev = NULL;
@@ -925,7 +921,7 @@ static int make_request(mddev_t *mddev, struct bio * bio)
         /* In case raid1d snuck in to freeze_array */
         wake_up(&conf->wait_barrier);
 
-        if (do_sync || !bitmap)
+        if (do_sync || !bitmap || !plugged)
                 md_wakeup_thread(mddev->thread);
 
         return 0;
@@ -1516,13 +1512,16 @@ static void raid1d(mddev_t *mddev)
         conf_t *conf = mddev->private;
         struct list_head *head = &conf->retry_list;
         mdk_rdev_t *rdev;
+        struct blk_plug plug;
 
         md_check_recovery(mddev);
-        
+
+        blk_start_plug(&plug);
         for (;;) {
                 char b[BDEVNAME_SIZE];
 
-                flush_pending_writes(conf);
+                if (atomic_read(&mddev->plug_cnt) == 0)
+                        flush_pending_writes(conf);
 
                 spin_lock_irqsave(&conf->device_lock, flags);
                 if (list_empty(head)) {
@@ -1593,6 +1592,7 @@ static void raid1d(mddev_t *mddev)
                 }
                 cond_resched();
         }
+        blk_finish_plug(&plug);
 }
 
 
@@ -2039,7 +2039,6 @@ static int stop(mddev_t *mddev)
 
         md_unregister_thread(mddev->thread);
         mddev->thread = NULL;
-        blk_sync_queue(mddev->queue); /* the unplug fn references 'conf'*/
         if (conf->r1bio_pool)
                 mempool_destroy(conf->r1bio_pool);
         kfree(conf->mirrors);
diff --git a/drivers/md/raid10.c b/drivers/md/raid10.c
index 2da83d566592..8e9462626ec5 100644
--- a/drivers/md/raid10.c
+++ b/drivers/md/raid10.c
@@ -634,12 +634,6 @@ static void flush_pending_writes(conf_t *conf)
                 spin_unlock_irq(&conf->device_lock);
 }
 
-static void md_kick_device(mddev_t *mddev)
-{
-        blk_flush_plug(current);
-        md_wakeup_thread(mddev->thread);
-}
-
 /* Barriers....
  * Sometimes we need to suspend IO while we do something else,
  * either some resync/recovery, or reconfigure the array.
@@ -669,15 +663,15 @@ static void raise_barrier(conf_t *conf, int force)
 
         /* Wait until no block IO is waiting (unless 'force') */
         wait_event_lock_irq(conf->wait_barrier, force || !conf->nr_waiting,
-                            conf->resync_lock, md_kick_device(conf->mddev));
+                            conf->resync_lock, );
 
         /* block any new IO from starting */
         conf->barrier++;
 
-        /* No wait for all pending IO to complete */
+        /* Now wait for all pending IO to complete */
         wait_event_lock_irq(conf->wait_barrier,
                             !conf->nr_pending && conf->barrier < RESYNC_DEPTH,
-                            conf->resync_lock, md_kick_device(conf->mddev));
+                            conf->resync_lock, );
 
         spin_unlock_irq(&conf->resync_lock);
 }
@@ -698,7 +692,7 @@ static void wait_barrier(conf_t *conf)
                 conf->nr_waiting++;
                 wait_event_lock_irq(conf->wait_barrier, !conf->barrier,
                                     conf->resync_lock,
-                                    md_kick_device(conf->mddev));
+                                    );
                 conf->nr_waiting--;
         }
         conf->nr_pending++;
@@ -734,8 +728,8 @@ static void freeze_array(conf_t *conf)
         wait_event_lock_irq(conf->wait_barrier,
                             conf->nr_pending == conf->nr_queued+1,
                             conf->resync_lock,
-                            ({ flush_pending_writes(conf);
-                               md_kick_device(conf->mddev); }));
+                            flush_pending_writes(conf));
+
         spin_unlock_irq(&conf->resync_lock);
 }
 
@@ -762,6 +756,7 @@ static int make_request(mddev_t *mddev, struct bio * bio)
         const unsigned long do_fua = (bio->bi_rw & REQ_FUA);
         unsigned long flags;
         mdk_rdev_t *blocked_rdev;
+        int plugged;
 
         if (unlikely(bio->bi_rw & REQ_FLUSH)) {
                 md_flush_request(mddev, bio);
@@ -870,6 +865,8 @@ static int make_request(mddev_t *mddev, struct bio * bio)
          * inc refcount on their rdev.  Record them by setting
          * bios[x] to bio
          */
+        plugged = mddev_check_plugged(mddev);
+
         raid10_find_phys(conf, r10_bio);
  retry_write:
         blocked_rdev = NULL;
@@ -946,9 +943,8 @@ static int make_request(mddev_t *mddev, struct bio * bio)
         /* In case raid10d snuck in to freeze_array */
         wake_up(&conf->wait_barrier);
 
-        if (do_sync || !mddev->bitmap)
+        if (do_sync || !mddev->bitmap || !plugged)
                 md_wakeup_thread(mddev->thread);
-
         return 0;
 }
 
@@ -1640,9 +1636,11 @@ static void raid10d(mddev_t *mddev)
         conf_t *conf = mddev->private;
         struct list_head *head = &conf->retry_list;
         mdk_rdev_t *rdev;
+        struct blk_plug plug;
 
         md_check_recovery(mddev);
 
+        blk_start_plug(&plug);
         for (;;) {
                 char b[BDEVNAME_SIZE];
 
@@ -1716,6 +1714,7 @@ static void raid10d(mddev_t *mddev)
                 }
                 cond_resched();
         }
+        blk_finish_plug(&plug);
 }
 
 
diff --git a/drivers/md/raid5.c b/drivers/md/raid5.c
index e867ee42b152..f301e6ae220c 100644
--- a/drivers/md/raid5.c
+++ b/drivers/md/raid5.c
@@ -27,12 +27,12 @@
  *
  * We group bitmap updates into batches.  Each batch has a number.
  * We may write out several batches at once, but that isn't very important.
- * conf->bm_write is the number of the last batch successfully written.
- * conf->bm_flush is the number of the last batch that was closed to
+ * conf->seq_write is the number of the last batch successfully written.
+ * conf->seq_flush is the number of the last batch that was closed to
  *    new additions.
  * When we discover that we will need to write to any block in a stripe
  * (in add_stripe_bio) we update the in-memory bitmap and record in sh->bm_seq
- * the number of the batch it will be in. This is bm_flush+1.
+ * the number of the batch it will be in. This is seq_flush+1.
  * When we are ready to do a write, if that batch hasn't been written yet,
  *   we plug the array and queue the stripe for later.
  * When an unplug happens, we increment bm_flush, thus closing the current
@@ -199,14 +199,12 @@ static void __release_stripe(raid5_conf_t *conf, struct stripe_head *sh)
                 BUG_ON(!list_empty(&sh->lru));
                 BUG_ON(atomic_read(&conf->active_stripes)==0);
                 if (test_bit(STRIPE_HANDLE, &sh->state)) {
-                        if (test_bit(STRIPE_DELAYED, &sh->state)) {
+                        if (test_bit(STRIPE_DELAYED, &sh->state))
                                 list_add_tail(&sh->lru, &conf->delayed_list);
-                                plugger_set_plug(&conf->plug);
-                        } else if (test_bit(STRIPE_BIT_DELAY, &sh->state) &&
-                                   sh->bm_seq - conf->seq_write > 0) {
+                        else if (test_bit(STRIPE_BIT_DELAY, &sh->state) &&
+                                   sh->bm_seq - conf->seq_write > 0)
                                 list_add_tail(&sh->lru, &conf->bitmap_list);
-                                plugger_set_plug(&conf->plug);
-                        } else {
+                        else {
                                 clear_bit(STRIPE_BIT_DELAY, &sh->state);
                                 list_add_tail(&sh->lru, &conf->handle_list);
                         }
@@ -461,7 +459,7 @@ get_active_stripe(raid5_conf_t *conf, sector_t sector,
                                                      < (conf->max_nr_stripes *3/4)
                                                      || !conf->inactive_blocked),
                                                     conf->device_lock,
-                                                    md_raid5_kick_device(conf));
+                                                    );
                                 conf->inactive_blocked = 0;
                         } else
                                 init_stripe(sh, sector, previous);
@@ -1470,7 +1468,7 @@ static int resize_stripes(raid5_conf_t *conf, int newsize)
                 wait_event_lock_irq(conf->wait_for_stripe,
                                     !list_empty(&conf->inactive_list),
                                     conf->device_lock,
-                                    blk_flush_plug(current));
+                                    );
                 osh = get_free_stripe(conf);
                 spin_unlock_irq(&conf->device_lock);
                 atomic_set(&nsh->count, 1);
@@ -3623,8 +3621,7 @@ static void raid5_activate_delayed(raid5_conf_t *conf)
                                 atomic_inc(&conf->preread_active_stripes);
                         list_add_tail(&sh->lru, &conf->hold_list);
                 }
-        } else
-                plugger_set_plug(&conf->plug);
+        }
 }
 
 static void activate_bit_delay(raid5_conf_t *conf)
@@ -3641,21 +3638,6 @@ static void activate_bit_delay(raid5_conf_t *conf)
         }
 }
 
-void md_raid5_kick_device(raid5_conf_t *conf)
-{
-        blk_flush_plug(current);
-        raid5_activate_delayed(conf);
-        md_wakeup_thread(conf->mddev->thread);
-}
-EXPORT_SYMBOL_GPL(md_raid5_kick_device);
-
-static void raid5_unplug(struct plug_handle *plug)
-{
-        raid5_conf_t *conf = container_of(plug, raid5_conf_t, plug);
-
-        md_raid5_kick_device(conf);
-}
-
 int md_raid5_congested(mddev_t *mddev, int bits)
 {
         raid5_conf_t *conf = mddev->private;
@@ -3945,6 +3927,7 @@ static int make_request(mddev_t *mddev, struct bio * bi)
         struct stripe_head *sh;
         const int rw = bio_data_dir(bi);
         int remaining;
+        int plugged;
 
         if (unlikely(bi->bi_rw & REQ_FLUSH)) {
                 md_flush_request(mddev, bi);
@@ -3963,6 +3946,7 @@ static int make_request(mddev_t *mddev, struct bio * bi)
         bi->bi_next = NULL;
         bi->bi_phys_segments = 1;       /* over-loaded to count active stripes */
 
+        plugged = mddev_check_plugged(mddev);
         for (;logical_sector < last_sector; logical_sector += STRIPE_SECTORS) {
                 DEFINE_WAIT(w);
                 int disks, data_disks;
@@ -4057,7 +4041,7 @@ static int make_request(mddev_t *mddev, struct bio * bi)
                                  * add failed due to overlap.  Flush everything
                                  * and wait a while
                                  */
-                                md_raid5_kick_device(conf);
+                                md_wakeup_thread(mddev->thread);
                                 release_stripe(sh);
                                 schedule();
                                 goto retry;
@@ -4077,6 +4061,9 @@ static int make_request(mddev_t *mddev, struct bio * bi)
                 }
                         
         }
+        if (!plugged)
+                md_wakeup_thread(mddev->thread);
+
         spin_lock_irq(&conf->device_lock);
         remaining = raid5_dec_bi_phys_segments(bi);
         spin_unlock_irq(&conf->device_lock);
@@ -4478,24 +4465,30 @@ static void raid5d(mddev_t *mddev)
         struct stripe_head *sh;
         raid5_conf_t *conf = mddev->private;
         int handled;
+        struct blk_plug plug;
 
         pr_debug("+++ raid5d active\n");
 
         md_check_recovery(mddev);
 
+        blk_start_plug(&plug);
         handled = 0;
         spin_lock_irq(&conf->device_lock);
         while (1) {
                 struct bio *bio;
 
-                if (conf->seq_flush != conf->seq_write) {
-                        int seq = conf->seq_flush;
+                if (atomic_read(&mddev->plug_cnt) == 0 &&
+                    !list_empty(&conf->bitmap_list)) {
+                        /* Now is a good time to flush some bitmap updates */
+                        conf->seq_flush++;
                         spin_unlock_irq(&conf->device_lock);
                         bitmap_unplug(mddev->bitmap);
                         spin_lock_irq(&conf->device_lock);
-                        conf->seq_write = seq;
+                        conf->seq_write = conf->seq_flush;
                         activate_bit_delay(conf);
                 }
+                if (atomic_read(&mddev->plug_cnt) == 0)
+                        raid5_activate_delayed(conf);
 
                 while ((bio = remove_bio_from_retry(conf))) {
                         int ok;
@@ -4525,6 +4518,7 @@ static void raid5d(mddev_t *mddev)
         spin_unlock_irq(&conf->device_lock);
 
         async_tx_issue_pending_all();
+        blk_finish_plug(&plug);
 
         pr_debug("--- raid5d inactive\n");
 }
@@ -5141,8 +5135,6 @@ static int run(mddev_t *mddev)
                        mdname(mddev));
         md_set_array_sectors(mddev, raid5_size(mddev, 0, 0));
 
-        plugger_init(&conf->plug, raid5_unplug);
-        mddev->plug = &conf->plug;
         if (mddev->queue) {
                 int chunk_size;
                 /* read-ahead size must cover two whole stripes, which
@@ -5192,7 +5184,6 @@ static int stop(mddev_t *mddev)
         mddev->thread = NULL;
         if (mddev->queue)
                 mddev->queue->backing_dev_info.congested_fn = NULL;
-        plugger_flush(&conf->plug); /* the unplug fn references 'conf'*/
         free_conf(conf);
         mddev->private = NULL;
         mddev->to_remove = &raid5_attrs_group;
diff --git a/drivers/md/raid5.h b/drivers/md/raid5.h
index 8d563a4f022a..3ca77a2613ba 100644
--- a/drivers/md/raid5.h
+++ b/drivers/md/raid5.h
@@ -400,8 +400,6 @@ struct raid5_private_data {
                                             * Cleared when a sync completes.
                                             */
 
-        struct plug_handle      plug;
-
         /* per cpu variables */
         struct raid5_percpu {
                 struct page     *spare_page; /* Used when checking P/Q in raid6 */
diff --git a/drivers/media/video/videobuf-dma-contig.c b/drivers/media/video/videobuf-dma-contig.c
index c4742fc15529..c9691115f2d2 100644
--- a/drivers/media/video/videobuf-dma-contig.c
+++ b/drivers/media/video/videobuf-dma-contig.c
@@ -300,7 +300,7 @@ static int __videobuf_mmap_mapper(struct videobuf_queue *q,
 
         vma->vm_page_prot = pgprot_noncached(vma->vm_page_prot);
         retval = remap_pfn_range(vma, vma->vm_start,
-                                 PFN_DOWN(virt_to_phys(mem->vaddr)),
+                                 mem->dma_handle >> PAGE_SHIFT,
                                  size, vma->vm_page_prot);
         if (retval) {
                 dev_err(q->dev, "mmap: remap failed with error %d. ", retval);
diff --git a/drivers/mfd/mfd-core.c b/drivers/mfd/mfd-core.c
index d01574d98870..f4c8c844b913 100644
--- a/drivers/mfd/mfd-core.c
+++ b/drivers/mfd/mfd-core.c
@@ -55,6 +55,19 @@ int mfd_cell_disable(struct platform_device *pdev)
 }
 EXPORT_SYMBOL(mfd_cell_disable);
 
+static int mfd_platform_add_cell(struct platform_device *pdev,
+                                 const struct mfd_cell *cell)
+{
+        if (!cell)
+                return 0;
+
+        pdev->mfd_cell = kmemdup(cell, sizeof(*cell), GFP_KERNEL);
+        if (!pdev->mfd_cell)
+                return -ENOMEM;
+
+        return 0;
+}
+
 static int mfd_add_device(struct device *parent, int id,
                           const struct mfd_cell *cell,
                           struct resource *mem_base,
@@ -75,7 +88,7 @@ static int mfd_add_device(struct device *parent, int id,
 
         pdev->dev.parent = parent;
 
-        ret = platform_device_add_data(pdev, cell, sizeof(*cell));
+        ret = mfd_platform_add_cell(pdev, cell);
         if (ret)
                 goto fail_res;
 
@@ -123,7 +136,6 @@ static int mfd_add_device(struct device *parent, int id,
 
         return 0;
 
-/*      platform_device_del(pdev); */
 fail_res:
         kfree(res);
 fail_device:
diff --git a/drivers/misc/sgi-gru/grufile.c b/drivers/misc/sgi-gru/grufile.c
index 20e4e9395b61..ecafa4ba238b 100644
--- a/drivers/misc/sgi-gru/grufile.c
+++ b/drivers/misc/sgi-gru/grufile.c
@@ -348,15 +348,15 @@ static unsigned long gru_chiplet_cpu_to_mmr(int chiplet, int cpu, int *corep)
 
 static int gru_irq_count[GRU_CHIPLETS_PER_BLADE];
 
-static void gru_noop(unsigned int irq)
+static void gru_noop(struct irq_data *d)
 {
 }
 
 static struct irq_chip gru_chip[GRU_CHIPLETS_PER_BLADE] = {
         [0 ... GRU_CHIPLETS_PER_BLADE - 1] {
-                .mask           = gru_noop,
-                .unmask         = gru_noop,
-                .ack            = gru_noop
+                .irq_mask       = gru_noop,
+                .irq_unmask     = gru_noop,
+                .irq_ack        = gru_noop
         }
 };
 
diff --git a/drivers/pci/Kconfig b/drivers/pci/Kconfig
index c8ff646c0b05..0fa466a91bf4 100644
--- a/drivers/pci/Kconfig
+++ b/drivers/pci/Kconfig
@@ -88,4 +88,6 @@ config PCI_IOAPIC
         depends on HOTPLUG
         default y
 
-select NLS if (DMI || ACPI)
+config PCI_LABEL
+        def_bool y if (DMI || ACPI)
+        select NLS
diff --git a/drivers/pci/Makefile b/drivers/pci/Makefile
index 98d61c8e984b..c85f744270a5 100644
--- a/drivers/pci/Makefile
+++ b/drivers/pci/Makefile
@@ -56,10 +56,10 @@ obj-$(CONFIG_TILE) += setup-bus.o setup-irq.o
 # ACPI Related PCI FW Functions
 # ACPI _DSM provided firmware instance and string name
 #
-obj-$(CONFIG_ACPI)    += pci-acpi.o pci-label.o
+obj-$(CONFIG_ACPI)    += pci-acpi.o
 
 # SMBIOS provided firmware instance and labels
-obj-$(CONFIG_DMI)    += pci-label.o
+obj-$(CONFIG_PCI_LABEL) += pci-label.o
 
 # Cardbus & CompactPCI use setup-bus
 obj-$(CONFIG_HOTPLUG) += setup-bus.o
diff --git a/drivers/pci/pci-driver.c b/drivers/pci/pci-driver.c
index d86ea8b01137..135df164a4c1 100644
--- a/drivers/pci/pci-driver.c
+++ b/drivers/pci/pci-driver.c
@@ -781,7 +781,7 @@ static int pci_pm_resume(struct device *dev)
 
 #endif /* !CONFIG_SUSPEND */
 
-#ifdef CONFIG_HIBERNATION
+#ifdef CONFIG_HIBERNATE_CALLBACKS
 
 static int pci_pm_freeze(struct device *dev)
 {
@@ -970,7 +970,7 @@ static int pci_pm_restore(struct device *dev)
         return error;
 }
 
-#else /* !CONFIG_HIBERNATION */
+#else /* !CONFIG_HIBERNATE_CALLBACKS */
 
 #define pci_pm_freeze           NULL
 #define pci_pm_freeze_noirq     NULL
@@ -981,7 +981,7 @@ static int pci_pm_restore(struct device *dev)
 #define pci_pm_restore          NULL
 #define pci_pm_restore_noirq    NULL
 
-#endif /* !CONFIG_HIBERNATION */
+#endif /* !CONFIG_HIBERNATE_CALLBACKS */
 
 #ifdef CONFIG_PM_RUNTIME
 
diff --git a/drivers/pcmcia/pxa2xx_balloon3.c b/drivers/pcmcia/pxa2xx_balloon3.c
index 453c54c97612..4c3e94c0ae85 100644
--- a/drivers/pcmcia/pxa2xx_balloon3.c
+++ b/drivers/pcmcia/pxa2xx_balloon3.c
@@ -25,6 +25,8 @@
 
 #include <mach/balloon3.h>
 
+#include <asm/mach-types.h>
+
 #include "soc_common.h"
 
 /*
@@ -127,6 +129,9 @@ static int __init balloon3_pcmcia_init(void)
 {
         int ret;
 
+        if (!machine_is_balloon3())
+                return -ENODEV;
+
         balloon3_pcmcia_device = platform_device_alloc("pxa2xx-pcmcia", -1);
         if (!balloon3_pcmcia_device)
                 return -ENOMEM;
diff --git a/drivers/pcmcia/pxa2xx_trizeps4.c b/drivers/pcmcia/pxa2xx_trizeps4.c
index b7e596620db1..b829e655457b 100644
--- a/drivers/pcmcia/pxa2xx_trizeps4.c
+++ b/drivers/pcmcia/pxa2xx_trizeps4.c
@@ -69,15 +69,15 @@ static int trizeps_pcmcia_hw_init(struct soc_pcmcia_socket *skt)
         for (i = 0; i < ARRAY_SIZE(irqs); i++) {
                 if (irqs[i].sock != skt->nr)
                         continue;
-                if (gpio_request(IRQ_TO_GPIO(irqs[i].irq), irqs[i].str) < 0) {
+                if (gpio_request(irq_to_gpio(irqs[i].irq), irqs[i].str) < 0) {
                         pr_err("%s: sock %d unable to request gpio %d\n",
-                                __func__, skt->nr, IRQ_TO_GPIO(irqs[i].irq));
+                                __func__, skt->nr, irq_to_gpio(irqs[i].irq));
                         ret = -EBUSY;
                         goto error;
                 }
-                if (gpio_direction_input(IRQ_TO_GPIO(irqs[i].irq)) < 0) {
+                if (gpio_direction_input(irq_to_gpio(irqs[i].irq)) < 0) {
                         pr_err("%s: sock %d unable to set input gpio %d\n",
-                                __func__, skt->nr, IRQ_TO_GPIO(irqs[i].irq));
+                                __func__, skt->nr, irq_to_gpio(irqs[i].irq));
                         ret = -EINVAL;
                         goto error;
                 }
@@ -86,7 +86,7 @@ static int trizeps_pcmcia_hw_init(struct soc_pcmcia_socket *skt)
 
 error:
         for (; i >= 0; i--) {
-                gpio_free(IRQ_TO_GPIO(irqs[i].irq));
+                gpio_free(irq_to_gpio(irqs[i].irq));
         }
         return (ret);
 }
@@ -97,7 +97,7 @@ static void trizeps_pcmcia_hw_shutdown(struct soc_pcmcia_socket *skt)
         /* free allocated gpio's */
         gpio_free(GPIO_PRDY);
         for (i = 0; i < ARRAY_SIZE(irqs); i++)
-                gpio_free(IRQ_TO_GPIO(irqs[i].irq));
+                gpio_free(irq_to_gpio(irqs[i].irq));
 }
 
 static unsigned long trizeps_pcmcia_status[2];
@@ -226,6 +226,9 @@ static int __init trizeps_pcmcia_init(void)
 {
         int ret;
 
+        if (!machine_is_trizeps4() && !machine_is_trizeps4wl())
+                return -ENODEV;
+
         trizeps_pcmcia_device = platform_device_alloc("pxa2xx-pcmcia", -1);
         if (!trizeps_pcmcia_device)
                 return -ENOMEM;
diff --git a/drivers/platform/x86/Kconfig b/drivers/platform/x86/Kconfig
index 2ee442c2a5db..0485e394712a 100644
--- a/drivers/platform/x86/Kconfig
+++ b/drivers/platform/x86/Kconfig
@@ -187,7 +187,8 @@ config MSI_LAPTOP
         depends on ACPI
         depends on BACKLIGHT_CLASS_DEVICE
         depends on RFKILL
-        depends on SERIO_I8042
+        depends on INPUT && SERIO_I8042
+        select INPUT_SPARSEKMAP
         ---help---
           This is a driver for laptops built by MSI (MICRO-STAR
           INTERNATIONAL):
diff --git a/drivers/platform/x86/acer-wmi.c b/drivers/platform/x86/acer-wmi.c
index 5ea6c3477d17..ac4e7f83ce6c 100644
--- a/drivers/platform/x86/acer-wmi.c
+++ b/drivers/platform/x86/acer-wmi.c
@@ -89,7 +89,7 @@ MODULE_LICENSE("GPL");
 #define ACERWMID_EVENT_GUID "676AA15E-6A47-4D9F-A2CC-1E6D18D14026"
 
 MODULE_ALIAS("wmi:67C3371D-95A3-4C37-BB61-DD47B491DAAB");
-MODULE_ALIAS("wmi:6AF4F258-B401-42Fd-BE91-3D4AC2D7C0D3");
+MODULE_ALIAS("wmi:6AF4F258-B401-42FD-BE91-3D4AC2D7C0D3");
 MODULE_ALIAS("wmi:676AA15E-6A47-4D9F-A2CC-1E6D18D14026");
 
 enum acer_wmi_event_ids {
diff --git a/drivers/platform/x86/asus-wmi.c b/drivers/platform/x86/asus-wmi.c
index efc776cb0c66..832a3fd7c1c8 100644
--- a/drivers/platform/x86/asus-wmi.c
+++ b/drivers/platform/x86/asus-wmi.c
@@ -201,8 +201,8 @@ static int asus_wmi_input_init(struct asus_wmi *asus)
         if (!asus->inputdev)
                 return -ENOMEM;
 
-        asus->inputdev->name = asus->driver->input_phys;
-        asus->inputdev->phys = asus->driver->input_name;
+        asus->inputdev->name = asus->driver->input_name;
+        asus->inputdev->phys = asus->driver->input_phys;
         asus->inputdev->id.bustype = BUS_HOST;
         asus->inputdev->dev.parent = &asus->platform_device->dev;
 
diff --git a/drivers/platform/x86/eeepc-wmi.c b/drivers/platform/x86/eeepc-wmi.c
index 0ddc434fb93b..649dcadd8ea3 100644
--- a/drivers/platform/x86/eeepc-wmi.c
+++ b/drivers/platform/x86/eeepc-wmi.c
@@ -67,9 +67,11 @@ static const struct key_entry eeepc_wmi_keymap[] = {
         { KE_KEY, 0x82, { KEY_CAMERA } },
         { KE_KEY, 0x83, { KEY_CAMERA_ZOOMIN } },
         { KE_KEY, 0x88, { KEY_WLAN } },
+        { KE_KEY, 0xbd, { KEY_CAMERA } },
         { KE_KEY, 0xcc, { KEY_SWITCHVIDEOMODE } },
         { KE_KEY, 0xe0, { KEY_PROG1 } }, /* Task Manager */
         { KE_KEY, 0xe1, { KEY_F14 } }, /* Change Resolution */
+        { KE_KEY, 0xe8, { KEY_SCREENLOCK } },
         { KE_KEY, 0xe9, { KEY_BRIGHTNESS_ZERO } },
         { KE_KEY, 0xeb, { KEY_CAMERA_ZOOMOUT } },
         { KE_KEY, 0xec, { KEY_CAMERA_UP } },
diff --git a/drivers/platform/x86/intel_pmic_gpio.c b/drivers/platform/x86/intel_pmic_gpio.c
index d653104b59cb..464bb3fc4d88 100644
--- a/drivers/platform/x86/intel_pmic_gpio.c
+++ b/drivers/platform/x86/intel_pmic_gpio.c
@@ -74,6 +74,19 @@ struct pmic_gpio {
         u32                     trigger_type;
 };
 
+static void pmic_program_irqtype(int gpio, int type)
+{
+        if (type & IRQ_TYPE_EDGE_RISING)
+                intel_scu_ipc_update_register(GPIO0 + gpio, 0x20, 0x20);
+        else
+                intel_scu_ipc_update_register(GPIO0 + gpio, 0x00, 0x20);
+
+        if (type & IRQ_TYPE_EDGE_FALLING)
+                intel_scu_ipc_update_register(GPIO0 + gpio, 0x10, 0x10);
+        else
+                intel_scu_ipc_update_register(GPIO0 + gpio, 0x00, 0x10);
+};
+
 static int pmic_gpio_direction_input(struct gpio_chip *chip, unsigned offset)
 {
         if (offset > 8) {
@@ -166,16 +179,38 @@ static int pmic_gpio_to_irq(struct gpio_chip *chip, unsigned offset)
         return pg->irq_base + offset;
 }
 
+static void pmic_bus_lock(struct irq_data *data)
+{
+        struct pmic_gpio *pg = irq_data_get_irq_chip_data(data);
+
+        mutex_lock(&pg->buslock);
+}
+
+static void pmic_bus_sync_unlock(struct irq_data *data)
+{
+        struct pmic_gpio *pg = irq_data_get_irq_chip_data(data);
+
+        if (pg->update_type) {
+                unsigned int gpio = pg->update_type & ~GPIO_UPDATE_TYPE;
+
+                pmic_program_irqtype(gpio, pg->trigger_type);
+                pg->update_type = 0;
+        }
+        mutex_unlock(&pg->buslock);
+}
+
 /* the gpiointr register is read-clear, so just do nothing. */
 static void pmic_irq_unmask(struct irq_data *data) { }
 
 static void pmic_irq_mask(struct irq_data *data) { }
 
 static struct irq_chip pmic_irqchip = {
-        .name           = "PMIC-GPIO",
-        .irq_mask       = pmic_irq_mask,
-        .irq_unmask     = pmic_irq_unmask,
-        .irq_set_type   = pmic_irq_type,
+        .name                   = "PMIC-GPIO",
+        .irq_mask               = pmic_irq_mask,
+        .irq_unmask             = pmic_irq_unmask,
+        .irq_set_type           = pmic_irq_type,
+        .irq_bus_lock           = pmic_bus_lock,
+        .irq_bus_sync_unlock    = pmic_bus_sync_unlock,
 };
 
 static irqreturn_t pmic_irq_handler(int irq, void *data)
diff --git a/drivers/platform/x86/samsung-laptop.c b/drivers/platform/x86/samsung-laptop.c
index de434c6dc2d6..d347116d150e 100644
--- a/drivers/platform/x86/samsung-laptop.c
+++ b/drivers/platform/x86/samsung-laptop.c
@@ -571,6 +571,16 @@ static struct dmi_system_id __initdata samsung_dmi_table[] = {
                 .callback = dmi_check_cb,
         },
         {
+                .ident = "R410 Plus",
+                .matches = {
+                        DMI_MATCH(DMI_SYS_VENDOR,
+                                        "SAMSUNG ELECTRONICS CO., LTD."),
+                        DMI_MATCH(DMI_PRODUCT_NAME, "R410P"),
+                        DMI_MATCH(DMI_BOARD_NAME, "R460"),
+                },
+                .callback = dmi_check_cb,
+        },
+        {
                 .ident = "R518",
                 .matches = {
                         DMI_MATCH(DMI_SYS_VENDOR,
@@ -591,12 +601,12 @@ static struct dmi_system_id __initdata samsung_dmi_table[] = {
                 .callback = dmi_check_cb,
         },
         {
-                .ident = "N150/N210/N220",
+                .ident = "N150/N210/N220/N230",
                 .matches = {
                         DMI_MATCH(DMI_SYS_VENDOR,
                                         "SAMSUNG ELECTRONICS CO., LTD."),
-                        DMI_MATCH(DMI_PRODUCT_NAME, "N150/N210/N220"),
-                        DMI_MATCH(DMI_BOARD_NAME, "N150/N210/N220"),
+                        DMI_MATCH(DMI_PRODUCT_NAME, "N150/N210/N220/N230"),
+                        DMI_MATCH(DMI_BOARD_NAME, "N150/N210/N220/N230"),
                 },
                 .callback = dmi_check_cb,
         },
@@ -771,6 +781,7 @@ static int __init samsung_init(void)
 
         /* create a backlight device to talk to this one */
         memset(&props, 0, sizeof(struct backlight_properties));
+        props.type = BACKLIGHT_PLATFORM;
         props.max_brightness = sabi_config->max_brightness;
         backlight_device = backlight_device_register("samsung", &sdev->dev,
                                                      NULL, &backlight_ops,
diff --git a/drivers/platform/x86/sony-laptop.c b/drivers/platform/x86/sony-laptop.c
index e642f5f29504..8f709aec4da0 100644
--- a/drivers/platform/x86/sony-laptop.c
+++ b/drivers/platform/x86/sony-laptop.c
@@ -138,6 +138,8 @@ MODULE_PARM_DESC(kbd_backlight_timeout,
                  "1 for 30 seconds, 2 for 60 seconds and 3 to disable timeout "
                  "(default: 0)");
 
+static void sony_nc_kbd_backlight_resume(void);
+
 enum sony_nc_rfkill {
         SONY_WIFI,
         SONY_BLUETOOTH,
@@ -771,11 +773,6 @@ static int sony_nc_handles_setup(struct platform_device *pd)
         if (!handles)
                 return -ENOMEM;
 
-        sysfs_attr_init(&handles->devattr.attr);
-        handles->devattr.attr.name = "handles";
-        handles->devattr.attr.mode = S_IRUGO;
-        handles->devattr.show = sony_nc_handles_show;
-
         for (i = 0; i < ARRAY_SIZE(handles->cap); i++) {
                 if (!acpi_callsetfunc(sony_nc_acpi_handle,
                                         "SN00", i + 0x20, &result)) {
@@ -785,11 +782,18 @@ static int sony_nc_handles_setup(struct platform_device *pd)
                 }
         }
 
-        /* allow reading capabilities via sysfs */
-        if (device_create_file(&pd->dev, &handles->devattr)) {
-                kfree(handles);
-                handles = NULL;
-                return -1;
+        if (debug) {
+                sysfs_attr_init(&handles->devattr.attr);
+                handles->devattr.attr.name = "handles";
+                handles->devattr.attr.mode = S_IRUGO;
+                handles->devattr.show = sony_nc_handles_show;
+
+                /* allow reading capabilities via sysfs */
+                if (device_create_file(&pd->dev, &handles->devattr)) {
+                        kfree(handles);
+                        handles = NULL;
+                        return -1;
+                }
         }
 
         return 0;
@@ -798,7 +802,8 @@ static int sony_nc_handles_setup(struct platform_device *pd)
 static int sony_nc_handles_cleanup(struct platform_device *pd)
 {
         if (handles) {
-                device_remove_file(&pd->dev, &handles->devattr);
+                if (debug)
+                        device_remove_file(&pd->dev, &handles->devattr);
                 kfree(handles);
                 handles = NULL;
         }
@@ -808,6 +813,11 @@ static int sony_nc_handles_cleanup(struct platform_device *pd)
 static int sony_find_snc_handle(int handle)
 {
         int i;
+
+        /* not initialized yet, return early */
+        if (!handles)
+                return -1;
+
         for (i = 0; i < 0x10; i++) {
                 if (handles->cap[i] == handle) {
                         dprintk("found handle 0x%.4x (offset: 0x%.2x)\n",
@@ -1168,6 +1178,9 @@ static int sony_nc_resume(struct acpi_device *device)
         /* re-read rfkill state */
         sony_nc_rfkill_update();
 
+        /* restore kbd backlight states */
+        sony_nc_kbd_backlight_resume();
+
         return 0;
 }
 
@@ -1355,6 +1368,7 @@ out_no_enum:
 #define KBDBL_HANDLER   0x137
 #define KBDBL_PRESENT   0xB00
 #define SET_MODE        0xC00
+#define SET_STATE       0xD00
 #define SET_TIMEOUT     0xE00
 
 struct kbd_backlight {
@@ -1377,6 +1391,10 @@ static ssize_t __sony_nc_kbd_backlight_mode_set(u8 value)
                                 (value << 0x10) | SET_MODE, &result))
                 return -EIO;
 
+        /* Try to turn the light on/off immediately */
+        sony_call_snc_handle(KBDBL_HANDLER, (value << 0x10) | SET_STATE,
+                        &result);
+
         kbdbl_handle->mode = value;
 
         return 0;
@@ -1458,7 +1476,7 @@ static int sony_nc_kbd_backlight_setup(struct platform_device *pd)
 {
         int result;
 
-        if (sony_call_snc_handle(0x137, KBDBL_PRESENT, &result))
+        if (sony_call_snc_handle(KBDBL_HANDLER, KBDBL_PRESENT, &result))
                 return 0;
         if (!(result & 0x02))
                 return 0;
@@ -1501,13 +1519,36 @@ outkzalloc:
 static int sony_nc_kbd_backlight_cleanup(struct platform_device *pd)
 {
         if (kbdbl_handle) {
+                int result;
+
                 device_remove_file(&pd->dev, &kbdbl_handle->mode_attr);
                 device_remove_file(&pd->dev, &kbdbl_handle->timeout_attr);
+
+                /* restore the default hw behaviour */
+                sony_call_snc_handle(KBDBL_HANDLER, 0x1000 | SET_MODE, &result);
+                sony_call_snc_handle(KBDBL_HANDLER, SET_TIMEOUT, &result);
+
                 kfree(kbdbl_handle);
         }
         return 0;
 }
 
+static void sony_nc_kbd_backlight_resume(void)
+{
+        int ignore = 0;
+
+        if (!kbdbl_handle)
+                return;
+
+        if (kbdbl_handle->mode == 0)
+                sony_call_snc_handle(KBDBL_HANDLER, SET_MODE, &ignore);
+
+        if (kbdbl_handle->timeout != 0)
+                sony_call_snc_handle(KBDBL_HANDLER,
+                                (kbdbl_handle->timeout << 0x10) | SET_TIMEOUT,
+                                &ignore);
+}
+
 static void sony_nc_backlight_setup(void)
 {
         acpi_handle unused;
diff --git a/drivers/platform/x86/thinkpad_acpi.c b/drivers/platform/x86/thinkpad_acpi.c
index a08561f5349e..efb3b6b9bcdb 100644
--- a/drivers/platform/x86/thinkpad_acpi.c
+++ b/drivers/platform/x86/thinkpad_acpi.c
@@ -8618,8 +8618,7 @@ static bool __pure __init tpacpi_is_valid_fw_id(const char* const s,
                 tpacpi_is_fw_digit(s[1]) &&
                 s[2] == t && s[3] == 'T' &&
                 tpacpi_is_fw_digit(s[4]) &&
-                tpacpi_is_fw_digit(s[5]) &&
-                s[6] == 'W' && s[7] == 'W';
+                tpacpi_is_fw_digit(s[5]);
 }
 
 /* returns 0 - probe ok, or < 0 - probe error.
diff --git a/drivers/rapidio/rio.c b/drivers/rapidio/rio.c
index c29719cacbca..86c9a091a2ff 100644
--- a/drivers/rapidio/rio.c
+++ b/drivers/rapidio/rio.c
@@ -1171,16 +1171,17 @@ static int rio_hdid_setup(char *str)
 
 __setup("riohdid=", rio_hdid_setup);
 
-void rio_register_mport(struct rio_mport *port)
+int rio_register_mport(struct rio_mport *port)
 {
         if (next_portid >= RIO_MAX_MPORTS) {
                 pr_err("RIO: reached specified max number of mports\n");
-                return;
+                return 1;
         }
 
         port->id = next_portid++;
         port->host_deviceid = rio_get_hdid(port->id);
         list_add_tail(&port->node, &rio_mports);
+        return 0;
 }
 
 EXPORT_SYMBOL_GPL(rio_local_get_device_id);
diff --git a/drivers/rapidio/switches/idt_gen2.c b/drivers/rapidio/switches/idt_gen2.c
index 095016a9dec1..ac2701b22e71 100644
--- a/drivers/rapidio/switches/idt_gen2.c
+++ b/drivers/rapidio/switches/idt_gen2.c
@@ -418,3 +418,4 @@ DECLARE_RIO_SWITCH_INIT(RIO_VID_IDT, RIO_DID_IDTCPS1848, idtg2_switch_init);
 DECLARE_RIO_SWITCH_INIT(RIO_VID_IDT, RIO_DID_IDTCPS1616, idtg2_switch_init);
 DECLARE_RIO_SWITCH_INIT(RIO_VID_IDT, RIO_DID_IDTVPS1616, idtg2_switch_init);
 DECLARE_RIO_SWITCH_INIT(RIO_VID_IDT, RIO_DID_IDTSPS1616, idtg2_switch_init);
+DECLARE_RIO_SWITCH_INIT(RIO_VID_IDT, RIO_DID_IDTCPS1432, idtg2_switch_init);
diff --git a/drivers/rtc/class.c b/drivers/rtc/class.c
index 09b4437b3e61..39013867cbd6 100644
--- a/drivers/rtc/class.c
+++ b/drivers/rtc/class.c
@@ -171,7 +171,7 @@ struct rtc_device *rtc_device_register(const char *name, struct device *dev,
         err = __rtc_read_alarm(rtc, &alrm);
 
         if (!err && !rtc_valid_tm(&alrm.time))
-                rtc_set_alarm(rtc, &alrm);
+                rtc_initialize_alarm(rtc, &alrm);
 
         strlcpy(rtc->name, name, RTC_DEVICE_NAME_SIZE);
         dev_set_name(&rtc->dev, "rtc%d", id);
diff --git a/drivers/rtc/interface.c b/drivers/rtc/interface.c
index 23719f0acbf6..ef6316acec43 100644
--- a/drivers/rtc/interface.c
+++ b/drivers/rtc/interface.c
@@ -375,6 +375,32 @@ int rtc_set_alarm(struct rtc_device *rtc, struct rtc_wkalrm *alarm)
 }
 EXPORT_SYMBOL_GPL(rtc_set_alarm);
 
+/* Called once per device from rtc_device_register */
+int rtc_initialize_alarm(struct rtc_device *rtc, struct rtc_wkalrm *alarm)
+{
+        int err;
+
+        err = rtc_valid_tm(&alarm->time);
+        if (err != 0)
+                return err;
+
+        err = mutex_lock_interruptible(&rtc->ops_lock);
+        if (err)
+                return err;
+
+        rtc->aie_timer.node.expires = rtc_tm_to_ktime(alarm->time);
+        rtc->aie_timer.period = ktime_set(0, 0);
+        if (alarm->enabled) {
+                rtc->aie_timer.enabled = 1;
+                timerqueue_add(&rtc->timerqueue, &rtc->aie_timer.node);
+        }
+        mutex_unlock(&rtc->ops_lock);
+        return err;
+}
+EXPORT_SYMBOL_GPL(rtc_initialize_alarm);
+
+
+
 int rtc_alarm_irq_enable(struct rtc_device *rtc, unsigned int enabled)
 {
         int err = mutex_lock_interruptible(&rtc->ops_lock);
diff --git a/drivers/rtc/rtc-bfin.c b/drivers/rtc/rtc-bfin.c
index a0fc4cf42abf..90d866272c8e 100644
--- a/drivers/rtc/rtc-bfin.c
+++ b/drivers/rtc/rtc-bfin.c
@@ -250,6 +250,8 @@ static int bfin_rtc_alarm_irq_enable(struct device *dev, unsigned int enabled)
                 bfin_rtc_int_set_alarm(rtc);
         else
                 bfin_rtc_int_clear(~(RTC_ISTAT_ALARM | RTC_ISTAT_ALARM_DAY));
+
+        return 0;
 }
 
 static int bfin_rtc_read_time(struct device *dev, struct rtc_time *tm)
diff --git a/drivers/rtc/rtc-mc13xxx.c b/drivers/rtc/rtc-mc13xxx.c
index c42006469559..c5ac03793e79 100644
--- a/drivers/rtc/rtc-mc13xxx.c
+++ b/drivers/rtc/rtc-mc13xxx.c
@@ -401,6 +401,7 @@ const struct platform_device_id mc13xxx_rtc_idtable[] = {
         }, {
                 .name = "mc13892-rtc",
         },
+        { }
 };
 
 static struct platform_driver mc13xxx_rtc_driver = {
diff --git a/drivers/rtc/rtc-omap.c b/drivers/rtc/rtc-omap.c
index de0dd7b1f146..bcae8dd41496 100644
--- a/drivers/rtc/rtc-omap.c
+++ b/drivers/rtc/rtc-omap.c
@@ -394,7 +394,7 @@ static int __init omap_rtc_probe(struct platform_device *pdev)
         return 0;
 
 fail2:
-        free_irq(omap_rtc_timer, NULL);
+        free_irq(omap_rtc_timer, rtc);
 fail1:
         rtc_device_unregister(rtc);
 fail0:
diff --git a/drivers/rtc/rtc-s3c.c b/drivers/rtc/rtc-s3c.c
index 714964913e5e..b3466c491cd3 100644
--- a/drivers/rtc/rtc-s3c.c
+++ b/drivers/rtc/rtc-s3c.c
@@ -336,7 +336,6 @@ static void s3c_rtc_release(struct device *dev)
 
         /* do not clear AIE here, it may be needed for wake */
 
-        s3c_rtc_setpie(dev, 0);
         free_irq(s3c_rtc_alarmno, rtc_dev);
         free_irq(s3c_rtc_tickno, rtc_dev);
 }
@@ -408,7 +407,6 @@ static int __devexit s3c_rtc_remove(struct platform_device *dev)
         platform_set_drvdata(dev, NULL);
         rtc_device_unregister(rtc);
 
-        s3c_rtc_setpie(&dev->dev, 0);
         s3c_rtc_setaie(&dev->dev, 0);
 
         clk_disable(rtc_clk);
diff --git a/drivers/scsi/scsi_lib.c b/drivers/scsi/scsi_lib.c
index 6d5c7ff43f5b..ab55c2fa7ce2 100644
--- a/drivers/scsi/scsi_lib.c
+++ b/drivers/scsi/scsi_lib.c
@@ -443,7 +443,7 @@ static void scsi_run_queue(struct request_queue *q)
                                         &sdev->request_queue->queue_flags);
                 if (flagset)
                         queue_flag_set(QUEUE_FLAG_REENTER, sdev->request_queue);
-                __blk_run_queue(sdev->request_queue, false);
+                __blk_run_queue(sdev->request_queue);
                 if (flagset)
                         queue_flag_clear(QUEUE_FLAG_REENTER, sdev->request_queue);
                 spin_unlock(sdev->request_queue->queue_lock);
diff --git a/drivers/scsi/scsi_transport_fc.c b/drivers/scsi/scsi_transport_fc.c
index fdf3fa639056..28c33506e4ad 100644
--- a/drivers/scsi/scsi_transport_fc.c
+++ b/drivers/scsi/scsi_transport_fc.c
@@ -3829,7 +3829,7 @@ fc_bsg_goose_queue(struct fc_rport *rport)
                   !test_bit(QUEUE_FLAG_REENTER, &rport->rqst_q->queue_flags);
         if (flagset)
                 queue_flag_set(QUEUE_FLAG_REENTER, rport->rqst_q);
-        __blk_run_queue(rport->rqst_q, false);
+        __blk_run_queue(rport->rqst_q);
         if (flagset)
                 queue_flag_clear(QUEUE_FLAG_REENTER, rport->rqst_q);
         spin_unlock_irqrestore(rport->rqst_q->queue_lock, flags);
diff --git a/drivers/spi/amba-pl022.c b/drivers/spi/amba-pl022.c
index 5825370bad25..08de58e7f59f 100644
--- a/drivers/spi/amba-pl022.c
+++ b/drivers/spi/amba-pl022.c
@@ -1555,7 +1555,7 @@ static int stop_queue(struct pl022 *pl022)
          * A wait_queue on the pl022->busy could be used, but then the common
          * execution path (pump_messages) would be required to call wake_up or
          * friends on every SPI message. Do this instead */
-        while (!list_empty(&pl022->queue) && pl022->busy && limit--) {
+        while ((!list_empty(&pl022->queue) || pl022->busy) && limit--) {
                 spin_unlock_irqrestore(&pl022->queue_lock, flags);
                 msleep(10);
                 spin_lock_irqsave(&pl022->queue_lock, flags);
diff --git a/drivers/spi/dw_spi.c b/drivers/spi/dw_spi.c
index b1a4b9f503ae..871e337c917f 100644
--- a/drivers/spi/dw_spi.c
+++ b/drivers/spi/dw_spi.c
@@ -821,7 +821,7 @@ static int stop_queue(struct dw_spi *dws)
 
         spin_lock_irqsave(&dws->lock, flags);
         dws->run = QUEUE_STOPPED;
-        while (!list_empty(&dws->queue) && dws->busy && limit--) {
+        while ((!list_empty(&dws->queue) || dws->busy) && limit--) {
                 spin_unlock_irqrestore(&dws->lock, flags);
                 msleep(10);
                 spin_lock_irqsave(&dws->lock, flags);
diff --git a/drivers/spi/pxa2xx_spi.c b/drivers/spi/pxa2xx_spi.c
index 9c74aad6be93..dc25bee8d33f 100644
--- a/drivers/spi/pxa2xx_spi.c
+++ b/drivers/spi/pxa2xx_spi.c
@@ -1493,7 +1493,7 @@ static int stop_queue(struct driver_data *drv_data)
          * execution path (pump_messages) would be required to call wake_up or
          * friends on every SPI message. Do this instead */
         drv_data->run = QUEUE_STOPPED;
-        while (!list_empty(&drv_data->queue) && drv_data->busy && limit--) {
+        while ((!list_empty(&drv_data->queue) || drv_data->busy) && limit--) {
                 spin_unlock_irqrestore(&drv_data->lock, flags);
                 msleep(10);
                 spin_lock_irqsave(&drv_data->lock, flags);
diff --git a/drivers/spi/spi_bfin5xx.c b/drivers/spi/spi_bfin5xx.c
index bdb7289a1d22..f706dba165cf 100644
--- a/drivers/spi/spi_bfin5xx.c
+++ b/drivers/spi/spi_bfin5xx.c
@@ -1284,7 +1284,7 @@ static inline int bfin_spi_stop_queue(struct bfin_spi_master_data *drv_data)
          * friends on every SPI message. Do this instead
          */
         drv_data->running = false;
-        while (!list_empty(&drv_data->queue) && drv_data->busy && limit--) {
+        while ((!list_empty(&drv_data->queue) || drv_data->busy) && limit--) {
                 spin_unlock_irqrestore(&drv_data->lock, flags);
                 msleep(10);
                 spin_lock_irqsave(&drv_data->lock, flags);
diff --git a/drivers/staging/Kconfig b/drivers/staging/Kconfig
index dca4a0bb6ca9..e3786f161bc3 100644
--- a/drivers/staging/Kconfig
+++ b/drivers/staging/Kconfig
@@ -131,8 +131,6 @@ source "drivers/staging/wlags49_h2/Kconfig"
 
 source "drivers/staging/wlags49_h25/Kconfig"
 
-source "drivers/staging/samsung-laptop/Kconfig"
-
 source "drivers/staging/sm7xx/Kconfig"
 
 source "drivers/staging/dt3155v4l/Kconfig"
diff --git a/drivers/staging/Makefile b/drivers/staging/Makefile
index eb93012b6f59..f0d5c5315612 100644
--- a/drivers/staging/Makefile
+++ b/drivers/staging/Makefile
@@ -48,7 +48,6 @@ obj-$(CONFIG_XVMALLOC)		+= zram/
 obj-$(CONFIG_ZCACHE)            += zcache/
 obj-$(CONFIG_WLAGS49_H2)        += wlags49_h2/
 obj-$(CONFIG_WLAGS49_H25)       += wlags49_h25/
-obj-$(CONFIG_SAMSUNG_LAPTOP)    += samsung-laptop/
 obj-$(CONFIG_FB_SM7XX)          += sm7xx/
 obj-$(CONFIG_VIDEO_DT3155)      += dt3155v4l/
 obj-$(CONFIG_CRYSTALHD)         += crystalhd/
diff --git a/drivers/staging/samsung-laptop/Kconfig b/drivers/staging/samsung-laptop/Kconfig
deleted file mode 100644
index f27c60864c26..000000000000
--- a/drivers/staging/samsung-laptop/Kconfig
+++ /dev/null
@@ -1,10 +0,0 @@
-config SAMSUNG_LAPTOP
-        tristate "Samsung Laptop driver"
-        default n
-        depends on RFKILL && BACKLIGHT_CLASS_DEVICE && X86
-        help
-          This module implements a driver for the N128 Samsung Laptop
-          providing control over the Wireless LED and the LCD backlight
-
-          To compile this driver as a module, choose
-          M here: the module will be called samsung-laptop.
diff --git a/drivers/staging/samsung-laptop/Makefile b/drivers/staging/samsung-laptop/Makefile
deleted file mode 100644
index 3c6f42045211..000000000000
--- a/drivers/staging/samsung-laptop/Makefile
+++ /dev/null
@@ -1 +0,0 @@
-obj-$(CONFIG_SAMSUNG_LAPTOP)    += samsung-laptop.o
diff --git a/drivers/staging/samsung-laptop/TODO b/drivers/staging/samsung-laptop/TODO
deleted file mode 100644
index f7a6d589916e..000000000000
--- a/drivers/staging/samsung-laptop/TODO
+++ /dev/null
@@ -1,5 +0,0 @@
-TODO:
-        - review from other developers
-        - figure out ACPI video issues
-
-Please send patches to Greg Kroah-Hartman <gregkh@suse.de>
diff --git a/drivers/staging/samsung-laptop/samsung-laptop.c b/drivers/staging/samsung-laptop/samsung-laptop.c
deleted file mode 100644
index 25294462b8b6..000000000000
--- a/drivers/staging/samsung-laptop/samsung-laptop.c
+++ /dev/null
@@ -1,843 +0,0 @@
-/*
- * Samsung Laptop driver
- *
- * Copyright (C) 2009,2011 Greg Kroah-Hartman (gregkh@suse.de)
- * Copyright (C) 2009,2011 Novell Inc.
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms of the GNU General Public License version 2 as published by
- * the Free Software Foundation.
- *
- */
-#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
-
-#include <linux/kernel.h>
-#include <linux/init.h>
-#include <linux/module.h>
-#include <linux/delay.h>
-#include <linux/pci.h>
-#include <linux/backlight.h>
-#include <linux/fb.h>
-#include <linux/dmi.h>
-#include <linux/platform_device.h>
-#include <linux/rfkill.h>
-
-/*
- * This driver is needed because a number of Samsung laptops do not hook
- * their control settings through ACPI.  So we have to poke around in the
- * BIOS to do things like brightness values, and "special" key controls.
- */
-
-/*
- * We have 0 - 8 as valid brightness levels.  The specs say that level 0 should
- * be reserved by the BIOS (which really doesn't make much sense), we tell
- * userspace that the value is 0 - 7 and then just tell the hardware 1 - 8
- */
-#define MAX_BRIGHT      0x07
-
-
-#define SABI_IFACE_MAIN                 0x00
-#define SABI_IFACE_SUB                  0x02
-#define SABI_IFACE_COMPLETE             0x04
-#define SABI_IFACE_DATA                 0x05
-
-/* Structure to get data back to the calling function */
-struct sabi_retval {
-        u8 retval[20];
-};
-
-struct sabi_header_offsets {
-        u8 port;
-        u8 re_mem;
-        u8 iface_func;
-        u8 en_mem;
-        u8 data_offset;
-        u8 data_segment;
-};
-
-struct sabi_commands {
-        /*
-         * Brightness is 0 - 8, as described above.
-         * Value 0 is for the BIOS to use
-         */
-        u8 get_brightness;
-        u8 set_brightness;
-
-        /*
-         * first byte:
-         * 0x00 - wireless is off
-         * 0x01 - wireless is on
-         * second byte:
-         * 0x02 - 3G is off
-         * 0x03 - 3G is on
-         * TODO, verify 3G is correct, that doesn't seem right...
-         */
-        u8 get_wireless_button;
-        u8 set_wireless_button;
-
-        /* 0 is off, 1 is on */
-        u8 get_backlight;
-        u8 set_backlight;
-
-        /*
-         * 0x80 or 0x00 - no action
-         * 0x81 - recovery key pressed
-         */
-        u8 get_recovery_mode;
-        u8 set_recovery_mode;
-
-        /*
-         * on seclinux: 0 is low, 1 is high,
-         * on swsmi: 0 is normal, 1 is silent, 2 is turbo
-         */
-        u8 get_performance_level;
-        u8 set_performance_level;
-
-        /*
-         * Tell the BIOS that Linux is running on this machine.
-         * 81 is on, 80 is off
-         */
-        u8 set_linux;
-};
-
-struct sabi_performance_level {
-        const char *name;
-        u8 value;
-};
-
-struct sabi_config {
-        const char *test_string;
-        u16 main_function;
-        const struct sabi_header_offsets header_offsets;
-        const struct sabi_commands commands;
-        const struct sabi_performance_level performance_levels[4];
-        u8 min_brightness;
-        u8 max_brightness;
-};
-
-static const struct sabi_config sabi_configs[] = {
-        {
-                .test_string = "SECLINUX",
-
-                .main_function = 0x4c49,
-
-                .header_offsets = {
-                        .port = 0x00,
-                        .re_mem = 0x02,
-                        .iface_func = 0x03,
-                        .en_mem = 0x04,
-                        .data_offset = 0x05,
-                        .data_segment = 0x07,
-                },
-
-                .commands = {
-                        .get_brightness = 0x00,
-                        .set_brightness = 0x01,
-
-                        .get_wireless_button = 0x02,
-                        .set_wireless_button = 0x03,
-
-                        .get_backlight = 0x04,
-                        .set_backlight = 0x05,
-
-                        .get_recovery_mode = 0x06,
-                        .set_recovery_mode = 0x07,
-
-                        .get_performance_level = 0x08,
-                        .set_performance_level = 0x09,
-
-                        .set_linux = 0x0a,
-                },
-
-                .performance_levels = {
-                        {
-                                .name = "silent",
-                                .value = 0,
-                        },
-                        {
-                                .name = "normal",
-                                .value = 1,
-                        },
-                        { },
-                },
-                .min_brightness = 1,
-                .max_brightness = 8,
-        },
-        {
-                .test_string = "SwSmi@",
-
-                .main_function = 0x5843,
-
-                .header_offsets = {
-                        .port = 0x00,
-                        .re_mem = 0x04,
-                        .iface_func = 0x02,
-                        .en_mem = 0x03,
-                        .data_offset = 0x05,
-                        .data_segment = 0x07,
-                },
-
-                .commands = {
-                        .get_brightness = 0x10,
-                        .set_brightness = 0x11,
-
-                        .get_wireless_button = 0x12,
-                        .set_wireless_button = 0x13,
-
-                        .get_backlight = 0x2d,
-                        .set_backlight = 0x2e,
-
-                        .get_recovery_mode = 0xff,
-                        .set_recovery_mode = 0xff,
-
-                        .get_performance_level = 0x31,
-                        .set_performance_level = 0x32,
-
-                        .set_linux = 0xff,
-                },
-
-                .performance_levels = {
-                        {
-                                .name = "normal",
-                                .value = 0,
-                        },
-                        {
-                                .name = "silent",
-                                .value = 1,
-                        },
-                        {
-                                .name = "overclock",
-                                .value = 2,
-                        },
-                        { },
-                },
-                .min_brightness = 0,
-                .max_brightness = 8,
-        },
-        { },
-};
-
-static const struct sabi_config *sabi_config;
-
-static void __iomem *sabi;
-static void __iomem *sabi_iface;
-static void __iomem *f0000_segment;
-static struct backlight_device *backlight_device;
-static struct mutex sabi_mutex;
-static struct platform_device *sdev;
-static struct rfkill *rfk;
-
-static int force;
-module_param(force, bool, 0);
-MODULE_PARM_DESC(force,
-                "Disable the DMI check and forces the driver to be loaded");
-
-static int debug;
-module_param(debug, bool, S_IRUGO | S_IWUSR);
-MODULE_PARM_DESC(debug, "Debug enabled or not");
-
-static int sabi_get_command(u8 command, struct sabi_retval *sretval)
-{
-        int retval = 0;
-        u16 port = readw(sabi + sabi_config->header_offsets.port);
-        u8 complete, iface_data;
-
-        mutex_lock(&sabi_mutex);
-
-        /* enable memory to be able to write to it */
-        outb(readb(sabi + sabi_config->header_offsets.en_mem), port);
-
-        /* write out the command */
-        writew(sabi_config->main_function, sabi_iface + SABI_IFACE_MAIN);
-        writew(command, sabi_iface + SABI_IFACE_SUB);
-        writeb(0, sabi_iface + SABI_IFACE_COMPLETE);
-        outb(readb(sabi + sabi_config->header_offsets.iface_func), port);
-
-        /* write protect memory to make it safe */
-        outb(readb(sabi + sabi_config->header_offsets.re_mem), port);
-
-        /* see if the command actually succeeded */
-        complete = readb(sabi_iface + SABI_IFACE_COMPLETE);
-        iface_data = readb(sabi_iface + SABI_IFACE_DATA);
-        if (complete != 0xaa || iface_data == 0xff) {
-                pr_warn("SABI get command 0x%02x failed with completion flag 0x%02x and data 0x%02x\n",
-                        command, complete, iface_data);
-                retval = -EINVAL;
-                goto exit;
-        }
-        /*
-         * Save off the data into a structure so the caller use it.
-         * Right now we only want the first 4 bytes,
-         * There are commands that need more, but not for the ones we
-         * currently care about.
-         */
-        sretval->retval[0] = readb(sabi_iface + SABI_IFACE_DATA);
-        sretval->retval[1] = readb(sabi_iface + SABI_IFACE_DATA + 1);
-        sretval->retval[2] = readb(sabi_iface + SABI_IFACE_DATA + 2);
-        sretval->retval[3] = readb(sabi_iface + SABI_IFACE_DATA + 3);
-
-exit:
-        mutex_unlock(&sabi_mutex);
-        return retval;
-
-}
-
-static int sabi_set_command(u8 command, u8 data)
-{
-        int retval = 0;
-        u16 port = readw(sabi + sabi_config->header_offsets.port);
-        u8 complete, iface_data;
-
-        mutex_lock(&sabi_mutex);
-
-        /* enable memory to be able to write to it */
-        outb(readb(sabi + sabi_config->header_offsets.en_mem), port);
-
-        /* write out the command */
-        writew(sabi_config->main_function, sabi_iface + SABI_IFACE_MAIN);
-        writew(command, sabi_iface + SABI_IFACE_SUB);
-        writeb(0, sabi_iface + SABI_IFACE_COMPLETE);
-        writeb(data, sabi_iface + SABI_IFACE_DATA);
-        outb(readb(sabi + sabi_config->header_offsets.iface_func), port);
-
-        /* write protect memory to make it safe */
-        outb(readb(sabi + sabi_config->header_offsets.re_mem), port);
-
-        /* see if the command actually succeeded */
-        complete = readb(sabi_iface + SABI_IFACE_COMPLETE);
-        iface_data = readb(sabi_iface + SABI_IFACE_DATA);
-        if (complete != 0xaa || iface_data == 0xff) {
-                pr_warn("SABI set command 0x%02x failed with completion flag 0x%02x and data 0x%02x\n",
-                       command, complete, iface_data);
-                retval = -EINVAL;
-        }
-
-        mutex_unlock(&sabi_mutex);
-        return retval;
-}
-
-static void test_backlight(void)
-{
-        struct sabi_retval sretval;
-
-        sabi_get_command(sabi_config->commands.get_backlight, &sretval);
-        printk(KERN_DEBUG "backlight = 0x%02x\n", sretval.retval[0]);
-
-        sabi_set_command(sabi_config->commands.set_backlight, 0);
-        printk(KERN_DEBUG "backlight should be off\n");
-
-        sabi_get_command(sabi_config->commands.get_backlight, &sretval);
-        printk(KERN_DEBUG "backlight = 0x%02x\n", sretval.retval[0]);
-
-        msleep(1000);
-
-        sabi_set_command(sabi_config->commands.set_backlight, 1);
-        printk(KERN_DEBUG "backlight should be on\n");
-
-        sabi_get_command(sabi_config->commands.get_backlight, &sretval);
-        printk(KERN_DEBUG "backlight = 0x%02x\n", sretval.retval[0]);
-}
-
-static void test_wireless(void)
-{
-        struct sabi_retval sretval;
-
-        sabi_get_command(sabi_config->commands.get_wireless_button, &sretval);
-        printk(KERN_DEBUG "wireless led = 0x%02x\n", sretval.retval[0]);
-
-        sabi_set_command(sabi_config->commands.set_wireless_button, 0);
-        printk(KERN_DEBUG "wireless led should be off\n");
-
-        sabi_get_command(sabi_config->commands.get_wireless_button, &sretval);
-        printk(KERN_DEBUG "wireless led = 0x%02x\n", sretval.retval[0]);
-
-        msleep(1000);
-
-        sabi_set_command(sabi_config->commands.set_wireless_button, 1);
-        printk(KERN_DEBUG "wireless led should be on\n");
-
-        sabi_get_command(sabi_config->commands.get_wireless_button, &sretval);
-        printk(KERN_DEBUG "wireless led = 0x%02x\n", sretval.retval[0]);
-}
-
-static u8 read_brightness(void)
-{
-        struct sabi_retval sretval;
-        int user_brightness = 0;
-        int retval;
-
-        retval = sabi_get_command(sabi_config->commands.get_brightness,
-                                  &sretval);
-        if (!retval) {
-                user_brightness = sretval.retval[0];
-                if (user_brightness != 0)
-                        user_brightness -= sabi_config->min_brightness;
-        }
-        return user_brightness;
-}
-
-static void set_brightness(u8 user_brightness)
-{
-        u8 user_level = user_brightness - sabi_config->min_brightness;
-
-        sabi_set_command(sabi_config->commands.set_brightness, user_level);
-}
-
-static int get_brightness(struct backlight_device *bd)
-{
-        return (int)read_brightness();
-}
-
-static int update_status(struct backlight_device *bd)
-{
-        set_brightness(bd->props.brightness);
-
-        if (bd->props.power == FB_BLANK_UNBLANK)
-                sabi_set_command(sabi_config->commands.set_backlight, 1);
-        else
-                sabi_set_command(sabi_config->commands.set_backlight, 0);
-        return 0;
-}
-
-static const struct backlight_ops backlight_ops = {
-        .get_brightness = get_brightness,
-        .update_status  = update_status,
-};
-
-static int rfkill_set(void *data, bool blocked)
-{
-        /* Do something with blocked...*/
-        /*
-         * blocked == false is on
-         * blocked == true is off
-         */
-        if (blocked)
-                sabi_set_command(sabi_config->commands.set_wireless_button, 0);
-        else
-                sabi_set_command(sabi_config->commands.set_wireless_button, 1);
-
-        return 0;
-}
-
-static struct rfkill_ops rfkill_ops = {
-        .set_block = rfkill_set,
-};
-
-static int init_wireless(struct platform_device *sdev)
-{
-        int retval;
-
-        rfk = rfkill_alloc("samsung-wifi", &sdev->dev, RFKILL_TYPE_WLAN,
-                           &rfkill_ops, NULL);
-        if (!rfk)
-                return -ENOMEM;
-
-        retval = rfkill_register(rfk);
-        if (retval) {
-                rfkill_destroy(rfk);
-                return -ENODEV;
-        }
-
-        return 0;
-}
-
-static void destroy_wireless(void)
-{
-        rfkill_unregister(rfk);
-        rfkill_destroy(rfk);
-}
-
-static ssize_t get_performance_level(struct device *dev,
-                                     struct device_attribute *attr, char *buf)
-{
-        struct sabi_retval sretval;
-        int retval;
-        int i;
-
-        /* Read the state */
-        retval = sabi_get_command(sabi_config->commands.get_performance_level,
-                                  &sretval);
-        if (retval)
-                return retval;
-
-        /* The logic is backwards, yeah, lots of fun... */
-        for (i = 0; sabi_config->performance_levels[i].name; ++i) {
-                if (sretval.retval[0] == sabi_config->performance_levels[i].value)
-                        return sprintf(buf, "%s\n", sabi_config->performance_levels[i].name);
-        }
-        return sprintf(buf, "%s\n", "unknown");
-}
-
-static ssize_t set_performance_level(struct device *dev,
-                                struct device_attribute *attr, const char *buf,
-                                size_t count)
-{
-        if (count >= 1) {
-                int i;
-                for (i = 0; sabi_config->performance_levels[i].name; ++i) {
-                        const struct sabi_performance_level *level =
-                                &sabi_config->performance_levels[i];
-                        if (!strncasecmp(level->name, buf, strlen(level->name))) {
-                                sabi_set_command(sabi_config->commands.set_performance_level,
-                                                 level->value);
-                                break;
-                        }
-                }
-                if (!sabi_config->performance_levels[i].name)
-                        return -EINVAL;
-        }
-        return count;
-}
-static DEVICE_ATTR(performance_level, S_IWUSR | S_IRUGO,
-                   get_performance_level, set_performance_level);
-
-
-static int __init dmi_check_cb(const struct dmi_system_id *id)
-{
-        pr_info("found laptop model '%s'\n",
-                id->ident);
-        return 0;
-}
-
-static struct dmi_system_id __initdata samsung_dmi_table[] = {
-        {
-                .ident = "N128",
-                .matches = {
-                        DMI_MATCH(DMI_SYS_VENDOR,
-                                        "SAMSUNG ELECTRONICS CO., LTD."),
-                        DMI_MATCH(DMI_PRODUCT_NAME, "N128"),
-                        DMI_MATCH(DMI_BOARD_NAME, "N128"),
-                },
-                .callback = dmi_check_cb,
-        },
-        {
-                .ident = "N130",
-                .matches = {
-                        DMI_MATCH(DMI_SYS_VENDOR,
-                                        "SAMSUNG ELECTRONICS CO., LTD."),
-                        DMI_MATCH(DMI_PRODUCT_NAME, "N130"),
-                        DMI_MATCH(DMI_BOARD_NAME, "N130"),
-                },
-                .callback = dmi_check_cb,
-        },
-        {
-                .ident = "X125",
-                .matches = {
-                        DMI_MATCH(DMI_SYS_VENDOR,
-                                        "SAMSUNG ELECTRONICS CO., LTD."),
-                        DMI_MATCH(DMI_PRODUCT_NAME, "X125"),
-                        DMI_MATCH(DMI_BOARD_NAME, "X125"),
-                },
-                .callback = dmi_check_cb,
-        },
-        {
-                .ident = "X120/X170",
-                .matches = {
-                        DMI_MATCH(DMI_SYS_VENDOR,
-                                        "SAMSUNG ELECTRONICS CO., LTD."),
-                        DMI_MATCH(DMI_PRODUCT_NAME, "X120/X170"),
-                        DMI_MATCH(DMI_BOARD_NAME, "X120/X170"),
-                },
-                .callback = dmi_check_cb,
-        },
-        {
-                .ident = "NC10",
-                .matches = {
-                        DMI_MATCH(DMI_SYS_VENDOR,
-                                        "SAMSUNG ELECTRONICS CO., LTD."),
-                        DMI_MATCH(DMI_PRODUCT_NAME, "NC10"),
-                        DMI_MATCH(DMI_BOARD_NAME, "NC10"),
-                },
-                .callback = dmi_check_cb,
-        },
-                {
-                .ident = "NP-Q45",
-                .matches = {
-                        DMI_MATCH(DMI_SYS_VENDOR,
-                                        "SAMSUNG ELECTRONICS CO., LTD."),
-                        DMI_MATCH(DMI_PRODUCT_NAME, "SQ45S70S"),
-                        DMI_MATCH(DMI_BOARD_NAME, "SQ45S70S"),
-                },
-                .callback = dmi_check_cb,
-                },
-        {
-                .ident = "X360",
-                .matches = {
-                        DMI_MATCH(DMI_SYS_VENDOR,
-                                        "SAMSUNG ELECTRONICS CO., LTD."),
-                        DMI_MATCH(DMI_PRODUCT_NAME, "X360"),
-                        DMI_MATCH(DMI_BOARD_NAME, "X360"),
-                },
-                .callback = dmi_check_cb,
-        },
-        {
-                .ident = "R410 Plus",
-                .matches = {
-                        DMI_MATCH(DMI_SYS_VENDOR,
-                                        "SAMSUNG ELECTRONICS CO., LTD."),
-                        DMI_MATCH(DMI_PRODUCT_NAME, "R410P"),
-                        DMI_MATCH(DMI_BOARD_NAME, "R460"),
-                },
-                .callback = dmi_check_cb,
-        },
-        {
-                .ident = "R518",
-                .matches = {
-                        DMI_MATCH(DMI_SYS_VENDOR,
-                                        "SAMSUNG ELECTRONICS CO., LTD."),
-                        DMI_MATCH(DMI_PRODUCT_NAME, "R518"),
-                        DMI_MATCH(DMI_BOARD_NAME, "R518"),
-                },
-                .callback = dmi_check_cb,
-        },
-        {
-                .ident = "R519/R719",
-                .matches = {
-                        DMI_MATCH(DMI_SYS_VENDOR,
-                                        "SAMSUNG ELECTRONICS CO., LTD."),
-                        DMI_MATCH(DMI_PRODUCT_NAME, "R519/R719"),
-                        DMI_MATCH(DMI_BOARD_NAME, "R519/R719"),
-                },
-                .callback = dmi_check_cb,
-        },
-        {
-                .ident = "N150/N210/N220/N230",
-                .matches = {
-                        DMI_MATCH(DMI_SYS_VENDOR,
-                                        "SAMSUNG ELECTRONICS CO., LTD."),
-                        DMI_MATCH(DMI_PRODUCT_NAME, "N150/N210/N220/N230"),
-                        DMI_MATCH(DMI_BOARD_NAME, "N150/N210/N220/N230"),
-                },
-                .callback = dmi_check_cb,
-        },
-        {
-                .ident = "N150P/N210P/N220P",
-                .matches = {
-                        DMI_MATCH(DMI_SYS_VENDOR,
-                                        "SAMSUNG ELECTRONICS CO., LTD."),
-                        DMI_MATCH(DMI_PRODUCT_NAME, "N150P/N210P/N220P"),
-                        DMI_MATCH(DMI_BOARD_NAME, "N150P/N210P/N220P"),
-                },
-                .callback = dmi_check_cb,
-        },
-        {
-                .ident = "R530/R730",
-                .matches = {
-                      DMI_MATCH(DMI_SYS_VENDOR, "SAMSUNG ELECTRONICS CO., LTD."),
-                      DMI_MATCH(DMI_PRODUCT_NAME, "R530/R730"),
-                      DMI_MATCH(DMI_BOARD_NAME, "R530/R730"),
-                },
-                .callback = dmi_check_cb,
-        },
-        {
-                .ident = "NF110/NF210/NF310",
-                .matches = {
-                        DMI_MATCH(DMI_SYS_VENDOR, "SAMSUNG ELECTRONICS CO., LTD."),
-                        DMI_MATCH(DMI_PRODUCT_NAME, "NF110/NF210/NF310"),
-                        DMI_MATCH(DMI_BOARD_NAME, "NF110/NF210/NF310"),
-                },
-                .callback = dmi_check_cb,
-        },
-        {
-                .ident = "N145P/N250P/N260P",
-                .matches = {
-                        DMI_MATCH(DMI_SYS_VENDOR, "SAMSUNG ELECTRONICS CO., LTD."),
-                        DMI_MATCH(DMI_PRODUCT_NAME, "N145P/N250P/N260P"),
-                        DMI_MATCH(DMI_BOARD_NAME, "N145P/N250P/N260P"),
-                },
-                .callback = dmi_check_cb,
-        },
-        {
-                .ident = "R70/R71",
-                .matches = {
-                        DMI_MATCH(DMI_SYS_VENDOR,
-                                        "SAMSUNG ELECTRONICS CO., LTD."),
-                        DMI_MATCH(DMI_PRODUCT_NAME, "R70/R71"),
-                        DMI_MATCH(DMI_BOARD_NAME, "R70/R71"),
-                },
-                .callback = dmi_check_cb,
-        },
-        {
-                .ident = "P460",
-                .matches = {
-                        DMI_MATCH(DMI_SYS_VENDOR, "SAMSUNG ELECTRONICS CO., LTD."),
-                        DMI_MATCH(DMI_PRODUCT_NAME, "P460"),
-                        DMI_MATCH(DMI_BOARD_NAME, "P460"),
-                },
-                .callback = dmi_check_cb,
-        },
-        { },
-};
-MODULE_DEVICE_TABLE(dmi, samsung_dmi_table);
-
-static int find_signature(void __iomem *memcheck, const char *testStr)
-{
-        int i = 0;
-        int loca;
-
-        for (loca = 0; loca < 0xffff; loca++) {
-                char temp = readb(memcheck + loca);
-
-                if (temp == testStr[i]) {
-                        if (i == strlen(testStr)-1)
-                                break;
-                        ++i;
-                } else {
-                        i = 0;
-                }
-        }
-        return loca;
-}
-
-static int __init samsung_init(void)
-{
-        struct backlight_properties props;
-        struct sabi_retval sretval;
-        unsigned int ifaceP;
-        int i;
-        int loca;
-        int retval;
-
-        mutex_init(&sabi_mutex);
-
-        if (!force && !dmi_check_system(samsung_dmi_table))
-                return -ENODEV;
-
-        f0000_segment = ioremap_nocache(0xf0000, 0xffff);
-        if (!f0000_segment) {
-                pr_err("Can't map the segment at 0xf0000\n");
-                return -EINVAL;
-        }
-
-        /* Try to find one of the signatures in memory to find the header */
-        for (i = 0; sabi_configs[i].test_string != 0; ++i) {
-                sabi_config = &sabi_configs[i];
-                loca = find_signature(f0000_segment, sabi_config->test_string);
-                if (loca != 0xffff)
-                        break;
-        }
-
-        if (loca == 0xffff) {
-                pr_err("This computer does not support SABI\n");
-                goto error_no_signature;
-        }
-
-        /* point to the SMI port Number */
-        loca += 1;
-        sabi = (f0000_segment + loca);
-
-        if (debug) {
-                printk(KERN_DEBUG "This computer supports SABI==%x\n",
-                        loca + 0xf0000 - 6);
-                printk(KERN_DEBUG "SABI header:\n");
-                printk(KERN_DEBUG " SMI Port Number = 0x%04x\n",
-                        readw(sabi + sabi_config->header_offsets.port));
-                printk(KERN_DEBUG " SMI Interface Function = 0x%02x\n",
-                        readb(sabi + sabi_config->header_offsets.iface_func));
-                printk(KERN_DEBUG " SMI enable memory buffer = 0x%02x\n",
-                        readb(sabi + sabi_config->header_offsets.en_mem));
-                printk(KERN_DEBUG " SMI restore memory buffer = 0x%02x\n",
-                        readb(sabi + sabi_config->header_offsets.re_mem));
-                printk(KERN_DEBUG " SABI data offset = 0x%04x\n",
-                        readw(sabi + sabi_config->header_offsets.data_offset));
-                printk(KERN_DEBUG " SABI data segment = 0x%04x\n",
-                        readw(sabi + sabi_config->header_offsets.data_segment));
-        }
-
-        /* Get a pointer to the SABI Interface */
-        ifaceP = (readw(sabi + sabi_config->header_offsets.data_segment) & 0x0ffff) << 4;
-        ifaceP += readw(sabi + sabi_config->header_offsets.data_offset) & 0x0ffff;
-        sabi_iface = ioremap_nocache(ifaceP, 16);
-        if (!sabi_iface) {
-                pr_err("Can't remap %x\n", ifaceP);
-                goto exit;
-        }
-        if (debug) {
-                printk(KERN_DEBUG "ifaceP = 0x%08x\n", ifaceP);
-                printk(KERN_DEBUG "sabi_iface = %p\n", sabi_iface);
-
-                test_backlight();
-                test_wireless();
-
-                retval = sabi_get_command(sabi_config->commands.get_brightness,
-                                          &sretval);
-                printk(KERN_DEBUG "brightness = 0x%02x\n", sretval.retval[0]);
-        }
-
-        /* Turn on "Linux" mode in the BIOS */
-        if (sabi_config->commands.set_linux != 0xff) {
-                retval = sabi_set_command(sabi_config->commands.set_linux,
-                                          0x81);
-                if (retval) {
-                        pr_warn("Linux mode was not set!\n");
-                        goto error_no_platform;
-                }
-        }
-
-        /* knock up a platform device to hang stuff off of */
-        sdev = platform_device_register_simple("samsung", -1, NULL, 0);
-        if (IS_ERR(sdev))
-                goto error_no_platform;
-
-        /* create a backlight device to talk to this one */
-        memset(&props, 0, sizeof(struct backlight_properties));
-        props.type = BACKLIGHT_PLATFORM;
-        props.max_brightness = sabi_config->max_brightness;
-        backlight_device = backlight_device_register("samsung", &sdev->dev,
-                                                     NULL, &backlight_ops,
-                                                     &props);
-        if (IS_ERR(backlight_device))
-                goto error_no_backlight;
-
-        backlight_device->props.brightness = read_brightness();
-        backlight_device->props.power = FB_BLANK_UNBLANK;
-        backlight_update_status(backlight_device);
-
-        retval = init_wireless(sdev);
-        if (retval)
-                goto error_no_rfk;
-
-        retval = device_create_file(&sdev->dev, &dev_attr_performance_level);
-        if (retval)
-                goto error_file_create;
-
-exit:
-        return 0;
-
-error_file_create:
-        destroy_wireless();
-
-error_no_rfk:
-        backlight_device_unregister(backlight_device);
-
-error_no_backlight:
-        platform_device_unregister(sdev);
-
-error_no_platform:
-        iounmap(sabi_iface);
-
-error_no_signature:
-        iounmap(f0000_segment);
-        return -EINVAL;
-}
-
-static void __exit samsung_exit(void)
-{
-        /* Turn off "Linux" mode in the BIOS */
-        if (sabi_config->commands.set_linux != 0xff)
-                sabi_set_command(sabi_config->commands.set_linux, 0x80);
-
-        device_remove_file(&sdev->dev, &dev_attr_performance_level);
-        backlight_device_unregister(backlight_device);
-        destroy_wireless();
-        iounmap(sabi_iface);
-        iounmap(f0000_segment);
-        platform_device_unregister(sdev);
-}
-
-module_init(samsung_init);
-module_exit(samsung_exit);
-
-MODULE_AUTHOR("Greg Kroah-Hartman <gregkh@suse.de>");
-MODULE_DESCRIPTION("Samsung Backlight driver");
-MODULE_LICENSE("GPL");
diff --git a/drivers/usb/Kconfig b/drivers/usb/Kconfig
index 41b6e51188e4..006489d82dc3 100644
--- a/drivers/usb/Kconfig
+++ b/drivers/usb/Kconfig
@@ -66,6 +66,7 @@ config USB_ARCH_HAS_EHCI
         default y if ARCH_VT8500
         default y if PLAT_SPEAR
         default y if ARCH_MSM
+        default y if MICROBLAZE
         default PCI
 
 # ARM SA1111 chips have a non-PCI based "OHCI-compatible" USB host interface.
diff --git a/drivers/usb/core/devices.c b/drivers/usb/core/devices.c
index a3d2e2399655..96fdfb815f89 100644
--- a/drivers/usb/core/devices.c
+++ b/drivers/usb/core/devices.c
@@ -221,7 +221,7 @@ static char *usb_dump_endpoint_descriptor(int speed, char *start, char *end,
                 break;
         case USB_ENDPOINT_XFER_INT:
                 type = "Int.";
-                if (speed == USB_SPEED_HIGH)
+                if (speed == USB_SPEED_HIGH || speed == USB_SPEED_SUPER)
                         interval = 1 << (desc->bInterval - 1);
                 else
                         interval = desc->bInterval;
@@ -229,7 +229,8 @@ static char *usb_dump_endpoint_descriptor(int speed, char *start, char *end,
         default:        /* "can't happen" */
                 return start;
         }
-        interval *= (speed == USB_SPEED_HIGH) ? 125 : 1000;
+        interval *= (speed == USB_SPEED_HIGH ||
+                     speed == USB_SPEED_SUPER) ? 125 : 1000;
         if (interval % 1000)
                 unit = 'u';
         else {
@@ -542,8 +543,9 @@ static ssize_t usb_device_dump(char __user **buffer, size_t *nbytes,
         if (level == 0) {
                 int     max;
 
-                /* high speed reserves 80%, full/low reserves 90% */
-                if (usbdev->speed == USB_SPEED_HIGH)
+                /* super/high speed reserves 80%, full/low reserves 90% */
+                if (usbdev->speed == USB_SPEED_HIGH ||
+                    usbdev->speed == USB_SPEED_SUPER)
                         max = 800;
                 else
                         max = FRAME_TIME_MAX_USECS_ALLOC;
diff --git a/drivers/usb/core/hcd.c b/drivers/usb/core/hcd.c
index 8eed05d23838..77a7faec8d78 100644
--- a/drivers/usb/core/hcd.c
+++ b/drivers/usb/core/hcd.c
@@ -1908,7 +1908,7 @@ void usb_free_streams(struct usb_interface *interface,
 
         /* Streams only apply to bulk endpoints. */
         for (i = 0; i < num_eps; i++)
-                if (!usb_endpoint_xfer_bulk(&eps[i]->desc))
+                if (!eps[i] || !usb_endpoint_xfer_bulk(&eps[i]->desc))
                         return;
 
         hcd->driver->free_streams(hcd, dev, eps, num_eps, mem_flags);
diff --git a/drivers/usb/core/hub.c b/drivers/usb/core/hub.c
index 8fb754916c67..93720bdc9efd 100644
--- a/drivers/usb/core/hub.c
+++ b/drivers/usb/core/hub.c
@@ -2285,7 +2285,17 @@ int usb_port_suspend(struct usb_device *udev, pm_message_t msg)
         }
 
         /* see 7.1.7.6 */
-        status = set_port_feature(hub->hdev, port1, USB_PORT_FEAT_SUSPEND);
+        /* Clear PORT_POWER if it's a USB3.0 device connected to USB 3.0
+         * external hub.
+         * FIXME: this is a temporary workaround to make the system able
+         * to suspend/resume.
+         */
+        if ((hub->hdev->parent != NULL) && hub_is_superspeed(hub->hdev))
+                status = clear_port_feature(hub->hdev, port1,
+                                                USB_PORT_FEAT_POWER);
+        else
+                status = set_port_feature(hub->hdev, port1,
+                                                USB_PORT_FEAT_SUSPEND);
         if (status) {
                 dev_dbg(hub->intfdev, "can't suspend port %d, status %d\n",
                                 port1, status);
diff --git a/drivers/usb/gadget/f_audio.c b/drivers/usb/gadget/f_audio.c
index 9abecfddb27d..0111f8a9cf7f 100644
--- a/drivers/usb/gadget/f_audio.c
+++ b/drivers/usb/gadget/f_audio.c
@@ -706,6 +706,7 @@ f_audio_unbind(struct usb_configuration *c, struct usb_function *f)
         struct f_audio          *audio = func_to_audio(f);
 
         usb_free_descriptors(f->descriptors);
+        usb_free_descriptors(f->hs_descriptors);
         kfree(audio);
 }
 
diff --git a/drivers/usb/gadget/f_eem.c b/drivers/usb/gadget/f_eem.c
index 95dd4662d6a8..b3c304290150 100644
--- a/drivers/usb/gadget/f_eem.c
+++ b/drivers/usb/gadget/f_eem.c
@@ -314,6 +314,9 @@ eem_unbind(struct usb_configuration *c, struct usb_function *f)
 
 static void eem_cmd_complete(struct usb_ep *ep, struct usb_request *req)
 {
+        struct sk_buff *skb = (struct sk_buff *)req->context;
+
+        dev_kfree_skb_any(skb);
 }
 
 /*
@@ -428,10 +431,11 @@ static int eem_unwrap(struct gether *port,
                                 skb_trim(skb2, len);
                                 put_unaligned_le16(BIT(15) | BIT(11) | len,
                                                         skb_push(skb2, 2));
-                                skb_copy_bits(skb, 0, req->buf, skb->len);
-                                req->length = skb->len;
+                                skb_copy_bits(skb2, 0, req->buf, skb2->len);
+                                req->length = skb2->len;
                                 req->complete = eem_cmd_complete;
                                 req->zero = 1;
+                                req->context = skb2;
                                 if (usb_ep_queue(port->in_ep, req, GFP_ATOMIC))
                                         DBG(cdev, "echo response queue fail\n");
                                 break;
diff --git a/drivers/usb/gadget/fsl_qe_udc.c b/drivers/usb/gadget/fsl_qe_udc.c
index aee7e3c53c38..36613b37c504 100644
--- a/drivers/usb/gadget/fsl_qe_udc.c
+++ b/drivers/usb/gadget/fsl_qe_udc.c
@@ -1148,6 +1148,12 @@ static int qe_ep_tx(struct qe_ep *ep, struct qe_frame *frame)
 static int txcomplete(struct qe_ep *ep, unsigned char restart)
 {
         if (ep->tx_req != NULL) {
+                struct qe_req *req = ep->tx_req;
+                unsigned zlp = 0, last_len = 0;
+
+                last_len = min_t(unsigned, req->req.length - ep->sent,
+                                ep->ep.maxpacket);
+
                 if (!restart) {
                         int asent = ep->last;
                         ep->sent += asent;
@@ -1156,9 +1162,18 @@ static int txcomplete(struct qe_ep *ep, unsigned char restart)
                         ep->last = 0;
                 }
 
+                /* zlp needed when req->re.zero is set */
+                if (req->req.zero) {
+                        if (last_len == 0 ||
+                                (req->req.length % ep->ep.maxpacket) != 0)
+                                zlp = 0;
+                        else
+                                zlp = 1;
+                } else
+                        zlp = 0;
+
                 /* a request already were transmitted completely */
-                if ((ep->tx_req->req.length - ep->sent) <= 0) {
-                        ep->tx_req->req.actual = (unsigned int)ep->sent;
+                if (((ep->tx_req->req.length - ep->sent) <= 0) && !zlp) {
                         done(ep, ep->tx_req, 0);
                         ep->tx_req = NULL;
                         ep->last = 0;
@@ -1191,6 +1206,7 @@ static int qe_usb_senddata(struct qe_ep *ep, struct qe_frame *frame)
         buf = (u8 *)ep->tx_req->req.buf + ep->sent;
         if (buf && size) {
                 ep->last = size;
+                ep->tx_req->req.actual += size;
                 frame_set_data(frame, buf);
                 frame_set_length(frame, size);
                 frame_set_status(frame, FRAME_OK);
diff --git a/drivers/usb/gadget/inode.c b/drivers/usb/gadget/inode.c
index 3ed73f49cf18..a01383f71f38 100644
--- a/drivers/usb/gadget/inode.c
+++ b/drivers/usb/gadget/inode.c
@@ -386,8 +386,10 @@ ep_read (struct file *fd, char __user *buf, size_t len, loff_t *ptr)
 
         /* halt any endpoint by doing a "wrong direction" i/o call */
         if (usb_endpoint_dir_in(&data->desc)) {
-                if (usb_endpoint_xfer_isoc(&data->desc))
+                if (usb_endpoint_xfer_isoc(&data->desc)) {
+                        mutex_unlock(&data->lock);
                         return -EINVAL;
+                }
                 DBG (data->dev, "%s halt\n", data->name);
                 spin_lock_irq (&data->dev->lock);
                 if (likely (data->ep != NULL))
diff --git a/drivers/usb/gadget/pch_udc.c b/drivers/usb/gadget/pch_udc.c
index 3e4b35e50c24..68dbcc3e4cc2 100644
--- a/drivers/usb/gadget/pch_udc.c
+++ b/drivers/usb/gadget/pch_udc.c
@@ -1608,7 +1608,7 @@ static int pch_udc_pcd_queue(struct usb_ep *usbep, struct usb_request *usbreq,
                 return -EINVAL;
         if (!dev->driver || (dev->gadget.speed == USB_SPEED_UNKNOWN))
                 return -ESHUTDOWN;
-        spin_lock_irqsave(&ep->dev->lock, iflags);
+        spin_lock_irqsave(&dev->lock, iflags);
         /* map the buffer for dma */
         if (usbreq->length &&
             ((usbreq->dma == DMA_ADDR_INVALID) || !usbreq->dma)) {
@@ -1625,8 +1625,10 @@ static int pch_udc_pcd_queue(struct usb_ep *usbep, struct usb_request *usbreq,
                                                              DMA_FROM_DEVICE);
                 } else {
                         req->buf = kzalloc(usbreq->length, GFP_ATOMIC);
-                        if (!req->buf)
-                                return -ENOMEM;
+                        if (!req->buf) {
+                                retval = -ENOMEM;
+                                goto probe_end;
+                        }
                         if (ep->in) {
                                 memcpy(req->buf, usbreq->buf, usbreq->length);
                                 req->dma = dma_map_single(&dev->pdev->dev,
diff --git a/drivers/usb/gadget/r8a66597-udc.c b/drivers/usb/gadget/r8a66597-udc.c
index 015118535f77..6dcc1f68fa60 100644
--- a/drivers/usb/gadget/r8a66597-udc.c
+++ b/drivers/usb/gadget/r8a66597-udc.c
@@ -1083,7 +1083,9 @@ static void irq_device_state(struct r8a66597 *r8a66597)
 
         if (dvsq == DS_DFLT) {
                 /* bus reset */
+                spin_unlock(&r8a66597->lock);
                 r8a66597->driver->disconnect(&r8a66597->gadget);
+                spin_lock(&r8a66597->lock);
                 r8a66597_update_usb_speed(r8a66597);
         }
         if (r8a66597->old_dvsq == DS_CNFG && dvsq != DS_CNFG)
diff --git a/drivers/usb/host/ehci-q.c b/drivers/usb/host/ehci-q.c
index 98ded66e8d3f..42abd0f603bf 100644
--- a/drivers/usb/host/ehci-q.c
+++ b/drivers/usb/host/ehci-q.c
@@ -1247,24 +1247,27 @@ static void start_unlink_async (struct ehci_hcd *ehci, struct ehci_qh *qh)
 
 static void scan_async (struct ehci_hcd *ehci)
 {
+        bool                    stopped;
         struct ehci_qh          *qh;
         enum ehci_timer_action  action = TIMER_IO_WATCHDOG;
 
         ehci->stamp = ehci_readl(ehci, &ehci->regs->frame_index);
         timer_action_done (ehci, TIMER_ASYNC_SHRINK);
 rescan:
+        stopped = !HC_IS_RUNNING(ehci_to_hcd(ehci)->state);
         qh = ehci->async->qh_next.qh;
         if (likely (qh != NULL)) {
                 do {
                         /* clean any finished work for this qh */
-                        if (!list_empty (&qh->qtd_list)
-                                        && qh->stamp != ehci->stamp) {
+                        if (!list_empty(&qh->qtd_list) && (stopped ||
+                                        qh->stamp != ehci->stamp)) {
                                 int temp;
 
                                 /* unlinks could happen here; completion
                                  * reporting drops the lock.  rescan using
                                  * the latest schedule, but don't rescan
-                                 * qhs we already finished (no looping).
+                                 * qhs we already finished (no looping)
+                                 * unless the controller is stopped.
                                  */
                                 qh = qh_get (qh);
                                 qh->stamp = ehci->stamp;
@@ -1285,9 +1288,9 @@ rescan:
                          */
                         if (list_empty(&qh->qtd_list)
                                         && qh->qh_state == QH_STATE_LINKED) {
-                                if (!ehci->reclaim
-                                        && ((ehci->stamp - qh->stamp) & 0x1fff)
-                                                >= (EHCI_SHRINK_FRAMES * 8))
+                                if (!ehci->reclaim && (stopped ||
+                                        ((ehci->stamp - qh->stamp) & 0x1fff)
+                                                >= EHCI_SHRINK_FRAMES * 8))
                                         start_unlink_async(ehci, qh);
                                 else
                                         action = TIMER_ASYNC_SHRINK;
diff --git a/drivers/usb/host/isp1760-hcd.c b/drivers/usb/host/isp1760-hcd.c
index f50e84ac570a..795345ad45e6 100644
--- a/drivers/usb/host/isp1760-hcd.c
+++ b/drivers/usb/host/isp1760-hcd.c
@@ -295,7 +295,7 @@ static void alloc_mem(struct usb_hcd *hcd, struct isp1760_qtd *qtd)
         }
 
         dev_err(hcd->self.controller,
-                                "%s: Can not allocate %lu bytes of memory\n"
+                                "%s: Cannot allocate %zu bytes of memory\n"
                                 "Current memory map:\n",
                                 __func__, qtd->length);
         for (i = 0; i < BLOCKS; i++) {
diff --git a/drivers/usb/host/ohci-au1xxx.c b/drivers/usb/host/ohci-au1xxx.c
index 17a6043c1fa0..958d985f2951 100644
--- a/drivers/usb/host/ohci-au1xxx.c
+++ b/drivers/usb/host/ohci-au1xxx.c
@@ -33,7 +33,7 @@
 
 #ifdef __LITTLE_ENDIAN
 #define USBH_ENABLE_INIT (USBH_ENABLE_CE | USBH_ENABLE_E | USBH_ENABLE_C)
-#elif __BIG_ENDIAN
+#elif defined(__BIG_ENDIAN)
 #define USBH_ENABLE_INIT (USBH_ENABLE_CE | USBH_ENABLE_E | USBH_ENABLE_C | \
                           USBH_ENABLE_BE)
 #else
diff --git a/drivers/usb/host/pci-quirks.c b/drivers/usb/host/pci-quirks.c
index 1d586d4f7b56..9b166d70ae91 100644
--- a/drivers/usb/host/pci-quirks.c
+++ b/drivers/usb/host/pci-quirks.c
@@ -84,65 +84,92 @@ int usb_amd_find_chipset_info(void)
 {
         u8 rev = 0;
         unsigned long flags;
+        struct amd_chipset_info info;
+        int ret;
 
         spin_lock_irqsave(&amd_lock, flags);
 
-        amd_chipset.probe_count++;
         /* probe only once */
-        if (amd_chipset.probe_count > 1) {
+        if (amd_chipset.probe_count > 0) {
+                amd_chipset.probe_count++;
                 spin_unlock_irqrestore(&amd_lock, flags);
                 return amd_chipset.probe_result;
         }
+        memset(&info, 0, sizeof(info));
+        spin_unlock_irqrestore(&amd_lock, flags);
 
-        amd_chipset.smbus_dev = pci_get_device(PCI_VENDOR_ID_ATI, 0x4385, NULL);
-        if (amd_chipset.smbus_dev) {
-                rev = amd_chipset.smbus_dev->revision;
+        info.smbus_dev = pci_get_device(PCI_VENDOR_ID_ATI, 0x4385, NULL);
+        if (info.smbus_dev) {
+                rev = info.smbus_dev->revision;
                 if (rev >= 0x40)
-                        amd_chipset.sb_type = 1;
+                        info.sb_type = 1;
                 else if (rev >= 0x30 && rev <= 0x3b)
-                        amd_chipset.sb_type = 3;
+                        info.sb_type = 3;
         } else {
-                amd_chipset.smbus_dev = pci_get_device(PCI_VENDOR_ID_AMD,
-                                                        0x780b, NULL);
-                if (!amd_chipset.smbus_dev) {
-                        spin_unlock_irqrestore(&amd_lock, flags);
-                        return 0;
+                info.smbus_dev = pci_get_device(PCI_VENDOR_ID_AMD,
+                                                0x780b, NULL);
+                if (!info.smbus_dev) {
+                        ret = 0;
+                        goto commit;
                 }
-                rev = amd_chipset.smbus_dev->revision;
+
+                rev = info.smbus_dev->revision;
                 if (rev >= 0x11 && rev <= 0x18)
-                        amd_chipset.sb_type = 2;
+                        info.sb_type = 2;
         }
 
-        if (amd_chipset.sb_type == 0) {
-                if (amd_chipset.smbus_dev) {
-                        pci_dev_put(amd_chipset.smbus_dev);
-                        amd_chipset.smbus_dev = NULL;
+        if (info.sb_type == 0) {
+                if (info.smbus_dev) {
+                        pci_dev_put(info.smbus_dev);
+                        info.smbus_dev = NULL;
                 }
-                spin_unlock_irqrestore(&amd_lock, flags);
-                return 0;
+                ret = 0;
+                goto commit;
         }
 
-        amd_chipset.nb_dev = pci_get_device(PCI_VENDOR_ID_AMD, 0x9601, NULL);
-        if (amd_chipset.nb_dev) {
-                amd_chipset.nb_type = 1;
+        info.nb_dev = pci_get_device(PCI_VENDOR_ID_AMD, 0x9601, NULL);
+        if (info.nb_dev) {
+                info.nb_type = 1;
         } else {
-                amd_chipset.nb_dev = pci_get_device(PCI_VENDOR_ID_AMD,
-                                                        0x1510, NULL);
-                if (amd_chipset.nb_dev) {
-                        amd_chipset.nb_type = 2;
-                } else  {
-                        amd_chipset.nb_dev = pci_get_device(PCI_VENDOR_ID_AMD,
-                                                                0x9600, NULL);
-                        if (amd_chipset.nb_dev)
-                                amd_chipset.nb_type = 3;
+                info.nb_dev = pci_get_device(PCI_VENDOR_ID_AMD, 0x1510, NULL);
+                if (info.nb_dev) {
+                        info.nb_type = 2;
+                } else {
+                        info.nb_dev = pci_get_device(PCI_VENDOR_ID_AMD,
+                                                     0x9600, NULL);
+                        if (info.nb_dev)
+                                info.nb_type = 3;
                 }
         }
 
-        amd_chipset.probe_result = 1;
+        ret = info.probe_result = 1;
         printk(KERN_DEBUG "QUIRK: Enable AMD PLL fix\n");
 
-        spin_unlock_irqrestore(&amd_lock, flags);
-        return amd_chipset.probe_result;
+commit:
+
+        spin_lock_irqsave(&amd_lock, flags);
+        if (amd_chipset.probe_count > 0) {
+                /* race - someone else was faster - drop devices */
+
+                /* Mark that we where here */
+                amd_chipset.probe_count++;
+                ret = amd_chipset.probe_result;
+
+                spin_unlock_irqrestore(&amd_lock, flags);
+
+                if (info.nb_dev)
+                        pci_dev_put(info.nb_dev);
+                if (info.smbus_dev)
+                        pci_dev_put(info.smbus_dev);
+
+        } else {
+                /* no race - commit the result */
+                info.probe_count++;
+                amd_chipset = info;
+                spin_unlock_irqrestore(&amd_lock, flags);
+        }
+
+        return ret;
 }
 EXPORT_SYMBOL_GPL(usb_amd_find_chipset_info);
 
@@ -284,6 +311,7 @@ EXPORT_SYMBOL_GPL(usb_amd_quirk_pll_enable);
 
 void usb_amd_dev_put(void)
 {
+        struct pci_dev *nb, *smbus;
         unsigned long flags;
 
         spin_lock_irqsave(&amd_lock, flags);
@@ -294,20 +322,23 @@ void usb_amd_dev_put(void)
                 return;
         }
 
-        if (amd_chipset.nb_dev) {
-                pci_dev_put(amd_chipset.nb_dev);
-                amd_chipset.nb_dev = NULL;
-        }
-        if (amd_chipset.smbus_dev) {
-                pci_dev_put(amd_chipset.smbus_dev);
-                amd_chipset.smbus_dev = NULL;
-        }
+        /* save them to pci_dev_put outside of spinlock */
+        nb    = amd_chipset.nb_dev;
+        smbus = amd_chipset.smbus_dev;
+
+        amd_chipset.nb_dev = NULL;
+        amd_chipset.smbus_dev = NULL;
         amd_chipset.nb_type = 0;
         amd_chipset.sb_type = 0;
         amd_chipset.isoc_reqs = 0;
         amd_chipset.probe_result = 0;
 
         spin_unlock_irqrestore(&amd_lock, flags);
+
+        if (nb)
+                pci_dev_put(nb);
+        if (smbus)
+                pci_dev_put(smbus);
 }
 EXPORT_SYMBOL_GPL(usb_amd_dev_put);
 
diff --git a/drivers/usb/host/xhci-mem.c b/drivers/usb/host/xhci-mem.c
index a003e79aacdc..627f3438028c 100644
--- a/drivers/usb/host/xhci-mem.c
+++ b/drivers/usb/host/xhci-mem.c
@@ -846,7 +846,7 @@ static u32 xhci_find_real_port_number(struct xhci_hcd *xhci,
                  * Skip ports that don't have known speeds, or have duplicate
                  * Extended Capabilities port speed entries.
                  */
-                if (port_speed == 0 || port_speed == -1)
+                if (port_speed == 0 || port_speed == DUPLICATE_ENTRY)
                         continue;
 
                 /*
@@ -974,6 +974,47 @@ int xhci_setup_addressable_virt_dev(struct xhci_hcd *xhci, struct usb_device *ud
         return 0;
 }
 
+/*
+ * Convert interval expressed as 2^(bInterval - 1) == interval into
+ * straight exponent value 2^n == interval.
+ *
+ */
+static unsigned int xhci_parse_exponent_interval(struct usb_device *udev,
+                struct usb_host_endpoint *ep)
+{
+        unsigned int interval;
+
+        interval = clamp_val(ep->desc.bInterval, 1, 16) - 1;
+        if (interval != ep->desc.bInterval - 1)
+                dev_warn(&udev->dev,
+                         "ep %#x - rounding interval to %d microframes\n",
+                         ep->desc.bEndpointAddress,
+                         1 << interval);
+
+        return interval;
+}
+
+/*
+ * Convert bInterval expressed in frames (in 1-255 range) to exponent of
+ * microframes, rounded down to nearest power of 2.
+ */
+static unsigned int xhci_parse_frame_interval(struct usb_device *udev,
+                struct usb_host_endpoint *ep)
+{
+        unsigned int interval;
+
+        interval = fls(8 * ep->desc.bInterval) - 1;
+        interval = clamp_val(interval, 3, 10);
+        if ((1 << interval) != 8 * ep->desc.bInterval)
+                dev_warn(&udev->dev,
+                         "ep %#x - rounding interval to %d microframes, ep desc says %d microframes\n",
+                         ep->desc.bEndpointAddress,
+                         1 << interval,
+                         8 * ep->desc.bInterval);
+
+        return interval;
+}
+
 /* Return the polling or NAK interval.
  *
  * The polling interval is expressed in "microframes".  If xHCI's Interval field
@@ -982,7 +1023,7 @@ int xhci_setup_addressable_virt_dev(struct xhci_hcd *xhci, struct usb_device *ud
  * The NAK interval is one NAK per 1 to 255 microframes, or no NAKs if interval
  * is set to 0.
  */
-static inline unsigned int xhci_get_endpoint_interval(struct usb_device *udev,
+static unsigned int xhci_get_endpoint_interval(struct usb_device *udev,
                 struct usb_host_endpoint *ep)
 {
         unsigned int interval = 0;
@@ -991,45 +1032,38 @@ static inline unsigned int xhci_get_endpoint_interval(struct usb_device *udev,
         case USB_SPEED_HIGH:
                 /* Max NAK rate */
                 if (usb_endpoint_xfer_control(&ep->desc) ||
-                                usb_endpoint_xfer_bulk(&ep->desc))
+                    usb_endpoint_xfer_bulk(&ep->desc)) {
                         interval = ep->desc.bInterval;
+                        break;
+                }
                 /* Fall through - SS and HS isoc/int have same decoding */
+
         case USB_SPEED_SUPER:
                 if (usb_endpoint_xfer_int(&ep->desc) ||
-                                usb_endpoint_xfer_isoc(&ep->desc)) {
-                        if (ep->desc.bInterval == 0)
-                                interval = 0;
-                        else
-                                interval = ep->desc.bInterval - 1;
-                        if (interval > 15)
-                                interval = 15;
-                        if (interval != ep->desc.bInterval + 1)
-                                dev_warn(&udev->dev, "ep %#x - rounding interval to %d microframes\n",
-                                                ep->desc.bEndpointAddress, 1 << interval);
+                    usb_endpoint_xfer_isoc(&ep->desc)) {
+                        interval = xhci_parse_exponent_interval(udev, ep);
                 }
                 break;
-        /* Convert bInterval (in 1-255 frames) to microframes and round down to
-         * nearest power of 2.
-         */
+
         case USB_SPEED_FULL:
+                if (usb_endpoint_xfer_int(&ep->desc)) {
+                        interval = xhci_parse_exponent_interval(udev, ep);
+                        break;
+                }
+                /*
+                 * Fall through for isochronous endpoint interval decoding
+                 * since it uses the same rules as low speed interrupt
+                 * endpoints.
+                 */
+
         case USB_SPEED_LOW:
                 if (usb_endpoint_xfer_int(&ep->desc) ||
-                                usb_endpoint_xfer_isoc(&ep->desc)) {
-                        interval = fls(8*ep->desc.bInterval) - 1;
-                        if (interval > 10)
-                                interval = 10;
-                        if (interval < 3)
-                                interval = 3;
-                        if ((1 << interval) != 8*ep->desc.bInterval)
-                                dev_warn(&udev->dev,
-                                                "ep %#x - rounding interval"
-                                                " to %d microframes, "
-                                                "ep desc says %d microframes\n",
-                                                ep->desc.bEndpointAddress,
-                                                1 << interval,
-                                                8*ep->desc.bInterval);
+                    usb_endpoint_xfer_isoc(&ep->desc)) {
+
+                        interval = xhci_parse_frame_interval(udev, ep);
                 }
                 break;
+
         default:
                 BUG();
         }
@@ -1041,7 +1075,7 @@ static inline unsigned int xhci_get_endpoint_interval(struct usb_device *udev,
  * transaction opportunities per microframe", but that goes in the Max Burst
  * endpoint context field.
  */
-static inline u32 xhci_get_endpoint_mult(struct usb_device *udev,
+static u32 xhci_get_endpoint_mult(struct usb_device *udev,
                 struct usb_host_endpoint *ep)
 {
         if (udev->speed != USB_SPEED_SUPER ||
@@ -1050,7 +1084,7 @@ static inline u32 xhci_get_endpoint_mult(struct usb_device *udev,
         return ep->ss_ep_comp.bmAttributes;
 }
 
-static inline u32 xhci_get_endpoint_type(struct usb_device *udev,
+static u32 xhci_get_endpoint_type(struct usb_device *udev,
                 struct usb_host_endpoint *ep)
 {
         int in;
@@ -1084,7 +1118,7 @@ static inline u32 xhci_get_endpoint_type(struct usb_device *udev,
  * Basically, this is the maxpacket size, multiplied by the burst size
  * and mult size.
  */
-static inline u32 xhci_get_max_esit_payload(struct xhci_hcd *xhci,
+static u32 xhci_get_max_esit_payload(struct xhci_hcd *xhci,
                 struct usb_device *udev,
                 struct usb_host_endpoint *ep)
 {
@@ -1727,12 +1761,12 @@ static void xhci_add_in_port(struct xhci_hcd *xhci, unsigned int num_ports,
                          * found a similar duplicate.
                          */
                         if (xhci->port_array[i] != major_revision &&
-                                xhci->port_array[i] != (u8) -1) {
+                                xhci->port_array[i] != DUPLICATE_ENTRY) {
                                 if (xhci->port_array[i] == 0x03)
                                         xhci->num_usb3_ports--;
                                 else
                                         xhci->num_usb2_ports--;
-                                xhci->port_array[i] = (u8) -1;
+                                xhci->port_array[i] = DUPLICATE_ENTRY;
                         }
                         /* FIXME: Should we disable the port? */
                         continue;
@@ -1831,7 +1865,7 @@ static int xhci_setup_port_arrays(struct xhci_hcd *xhci, gfp_t flags)
                 for (i = 0; i < num_ports; i++) {
                         if (xhci->port_array[i] == 0x03 ||
                                         xhci->port_array[i] == 0 ||
-                                        xhci->port_array[i] == -1)
+                                        xhci->port_array[i] == DUPLICATE_ENTRY)
                                 continue;
 
                         xhci->usb2_ports[port_index] =
diff --git a/drivers/usb/host/xhci-pci.c b/drivers/usb/host/xhci-pci.c
index ceea9f33491c..a10494c2f3c7 100644
--- a/drivers/usb/host/xhci-pci.c
+++ b/drivers/usb/host/xhci-pci.c
@@ -114,6 +114,10 @@ static int xhci_pci_setup(struct usb_hcd *hcd)
         if (pdev->vendor == PCI_VENDOR_ID_NEC)
                 xhci->quirks |= XHCI_NEC_HOST;
 
+        /* AMD PLL quirk */
+        if (pdev->vendor == PCI_VENDOR_ID_AMD && usb_amd_find_chipset_info())
+                xhci->quirks |= XHCI_AMD_PLL_FIX;
+
         /* Make sure the HC is halted. */
         retval = xhci_halt(xhci);
         if (retval)
diff --git a/drivers/usb/host/xhci-ring.c b/drivers/usb/host/xhci-ring.c
index cfc1ad92473f..7437386a9a50 100644
--- a/drivers/usb/host/xhci-ring.c
+++ b/drivers/usb/host/xhci-ring.c
@@ -93,7 +93,7 @@ dma_addr_t xhci_trb_virt_to_dma(struct xhci_segment *seg,
 /* Does this link TRB point to the first segment in a ring,
  * or was the previous TRB the last TRB on the last segment in the ERST?
  */
-static inline bool last_trb_on_last_seg(struct xhci_hcd *xhci, struct xhci_ring *ring,
+static bool last_trb_on_last_seg(struct xhci_hcd *xhci, struct xhci_ring *ring,
                 struct xhci_segment *seg, union xhci_trb *trb)
 {
         if (ring == xhci->event_ring)
@@ -107,7 +107,7 @@ static inline bool last_trb_on_last_seg(struct xhci_hcd *xhci, struct xhci_ring
  * segment?  I.e. would the updated event TRB pointer step off the end of the
  * event seg?
  */
-static inline int last_trb(struct xhci_hcd *xhci, struct xhci_ring *ring,
+static int last_trb(struct xhci_hcd *xhci, struct xhci_ring *ring,
                 struct xhci_segment *seg, union xhci_trb *trb)
 {
         if (ring == xhci->event_ring)
@@ -116,7 +116,7 @@ static inline int last_trb(struct xhci_hcd *xhci, struct xhci_ring *ring,
                 return (trb->link.control & TRB_TYPE_BITMASK) == TRB_TYPE(TRB_LINK);
 }
 
-static inline int enqueue_is_link_trb(struct xhci_ring *ring)
+static int enqueue_is_link_trb(struct xhci_ring *ring)
 {
         struct xhci_link_trb *link = &ring->enqueue->link;
         return ((link->control & TRB_TYPE_BITMASK) == TRB_TYPE(TRB_LINK));
@@ -592,7 +592,7 @@ void xhci_queue_new_dequeue_state(struct xhci_hcd *xhci,
         ep->ep_state |= SET_DEQ_PENDING;
 }
 
-static inline void xhci_stop_watchdog_timer_in_irq(struct xhci_hcd *xhci,
+static void xhci_stop_watchdog_timer_in_irq(struct xhci_hcd *xhci,
                 struct xhci_virt_ep *ep)
 {
         ep->ep_state &= ~EP_HALT_PENDING;
@@ -619,6 +619,13 @@ static void xhci_giveback_urb_in_irq(struct xhci_hcd *xhci,
 
         /* Only giveback urb when this is the last td in urb */
         if (urb_priv->td_cnt == urb_priv->length) {
+                if (usb_pipetype(urb->pipe) == PIPE_ISOCHRONOUS) {
+                        xhci_to_hcd(xhci)->self.bandwidth_isoc_reqs--;
+                        if (xhci_to_hcd(xhci)->self.bandwidth_isoc_reqs == 0) {
+                                if (xhci->quirks & XHCI_AMD_PLL_FIX)
+                                        usb_amd_quirk_pll_enable();
+                        }
+                }
                 usb_hcd_unlink_urb_from_ep(hcd, urb);
                 xhci_dbg(xhci, "Giveback %s URB %p\n", adjective, urb);
 
@@ -1209,7 +1216,7 @@ static unsigned int find_faked_portnum_from_hw_portnum(struct usb_hcd *hcd,
                  * Skip ports that don't have known speeds, or have duplicate
                  * Extended Capabilities port speed entries.
                  */
-                if (port_speed == 0 || port_speed == -1)
+                if (port_speed == 0 || port_speed == DUPLICATE_ENTRY)
                         continue;
 
                 /*
@@ -1235,6 +1242,7 @@ static void handle_port_status(struct xhci_hcd *xhci,
         u8 major_revision;
         struct xhci_bus_state *bus_state;
         u32 __iomem **port_array;
+        bool bogus_port_status = false;
 
         /* Port status change events always have a successful completion code */
         if (GET_COMP_CODE(event->generic.field[2]) != COMP_SUCCESS) {
@@ -1247,6 +1255,7 @@ static void handle_port_status(struct xhci_hcd *xhci,
         max_ports = HCS_MAX_PORTS(xhci->hcs_params1);
         if ((port_id <= 0) || (port_id > max_ports)) {
                 xhci_warn(xhci, "Invalid port id %d\n", port_id);
+                bogus_port_status = true;
                 goto cleanup;
         }
 
@@ -1258,12 +1267,14 @@ static void handle_port_status(struct xhci_hcd *xhci,
                 xhci_warn(xhci, "Event for port %u not in "
                                 "Extended Capabilities, ignoring.\n",
                                 port_id);
+                bogus_port_status = true;
                 goto cleanup;
         }
-        if (major_revision == (u8) -1) {
+        if (major_revision == DUPLICATE_ENTRY) {
                 xhci_warn(xhci, "Event for port %u duplicated in"
                                 "Extended Capabilities, ignoring.\n",
                                 port_id);
+                bogus_port_status = true;
                 goto cleanup;
         }
 
@@ -1335,6 +1346,13 @@ cleanup:
         /* Update event ring dequeue pointer before dropping the lock */
         inc_deq(xhci, xhci->event_ring, true);
 
+        /* Don't make the USB core poll the roothub if we got a bad port status
+         * change event.  Besides, at that point we can't tell which roothub
+         * (USB 2.0 or USB 3.0) to kick.
+         */
+        if (bogus_port_status)
+                return;
+
         spin_unlock(&xhci->lock);
         /* Pass this up to the core */
         usb_hcd_poll_rh_status(hcd);
@@ -1554,8 +1572,17 @@ td_cleanup:
 
                 urb_priv->td_cnt++;
                 /* Giveback the urb when all the tds are completed */
-                if (urb_priv->td_cnt == urb_priv->length)
+                if (urb_priv->td_cnt == urb_priv->length) {
                         ret = 1;
+                        if (usb_pipetype(urb->pipe) == PIPE_ISOCHRONOUS) {
+                                xhci_to_hcd(xhci)->self.bandwidth_isoc_reqs--;
+                                if (xhci_to_hcd(xhci)->self.bandwidth_isoc_reqs
+                                        == 0) {
+                                        if (xhci->quirks & XHCI_AMD_PLL_FIX)
+                                                usb_amd_quirk_pll_enable();
+                                }
+                        }
+                }
         }
 
         return ret;
@@ -1675,71 +1702,52 @@ static int process_isoc_td(struct xhci_hcd *xhci, struct xhci_td *td,
         struct urb_priv *urb_priv;
         int idx;
         int len = 0;
-        int skip_td = 0;
         union xhci_trb *cur_trb;
         struct xhci_segment *cur_seg;
+        struct usb_iso_packet_descriptor *frame;
         u32 trb_comp_code;
+        bool skip_td = false;
 
         ep_ring = xhci_dma_to_transfer_ring(ep, event->buffer);
         trb_comp_code = GET_COMP_CODE(event->transfer_len);
         urb_priv = td->urb->hcpriv;
         idx = urb_priv->td_cnt;
+        frame = &td->urb->iso_frame_desc[idx];
 
-        if (ep->skip) {
-                /* The transfer is partly done */
-                *status = -EXDEV;
-                td->urb->iso_frame_desc[idx].status = -EXDEV;
-        } else {
-                /* handle completion code */
-                switch (trb_comp_code) {
-                case COMP_SUCCESS:
-                        td->urb->iso_frame_desc[idx].status = 0;
-                        xhci_dbg(xhci, "Successful isoc transfer!\n");
-                        break;
-                case COMP_SHORT_TX:
-                        if (td->urb->transfer_flags & URB_SHORT_NOT_OK)
-                                td->urb->iso_frame_desc[idx].status =
-                                         -EREMOTEIO;
-                        else
-                                td->urb->iso_frame_desc[idx].status = 0;
-                        break;
-                case COMP_BW_OVER:
-                        td->urb->iso_frame_desc[idx].status = -ECOMM;
-                        skip_td = 1;
-                        break;
-                case COMP_BUFF_OVER:
-                case COMP_BABBLE:
-                        td->urb->iso_frame_desc[idx].status = -EOVERFLOW;
-                        skip_td = 1;
-                        break;
-                case COMP_STALL:
-                        td->urb->iso_frame_desc[idx].status = -EPROTO;
-                        skip_td = 1;
-                        break;
-                case COMP_STOP:
-                case COMP_STOP_INVAL:
-                        break;
-                default:
-                        td->urb->iso_frame_desc[idx].status = -1;
-                        break;
-                }
-        }
-
-        /* calc actual length */
-        if (ep->skip) {
-                td->urb->iso_frame_desc[idx].actual_length = 0;
-                /* Update ring dequeue pointer */
-                while (ep_ring->dequeue != td->last_trb)
-                        inc_deq(xhci, ep_ring, false);
-                inc_deq(xhci, ep_ring, false);
-                return finish_td(xhci, td, event_trb, event, ep, status, true);
+        /* handle completion code */
+        switch (trb_comp_code) {
+        case COMP_SUCCESS:
+                frame->status = 0;
+                xhci_dbg(xhci, "Successful isoc transfer!\n");
+                break;
+        case COMP_SHORT_TX:
+                frame->status = td->urb->transfer_flags & URB_SHORT_NOT_OK ?
+                                -EREMOTEIO : 0;
+                break;
+        case COMP_BW_OVER:
+                frame->status = -ECOMM;
+                skip_td = true;
+                break;
+        case COMP_BUFF_OVER:
+        case COMP_BABBLE:
+                frame->status = -EOVERFLOW;
+                skip_td = true;
+                break;
+        case COMP_STALL:
+                frame->status = -EPROTO;
+                skip_td = true;
+                break;
+        case COMP_STOP:
+        case COMP_STOP_INVAL:
+                break;
+        default:
+                frame->status = -1;
+                break;
         }
 
-        if (trb_comp_code == COMP_SUCCESS || skip_td == 1) {
-                td->urb->iso_frame_desc[idx].actual_length =
-                        td->urb->iso_frame_desc[idx].length;
-                td->urb->actual_length +=
-                        td->urb->iso_frame_desc[idx].length;
+        if (trb_comp_code == COMP_SUCCESS || skip_td) {
+                frame->actual_length = frame->length;
+                td->urb->actual_length += frame->length;
         } else {
                 for (cur_trb = ep_ring->dequeue,
                      cur_seg = ep_ring->deq_seg; cur_trb != event_trb;
@@ -1755,7 +1763,7 @@ static int process_isoc_td(struct xhci_hcd *xhci, struct xhci_td *td,
                         TRB_LEN(event->transfer_len);
 
                 if (trb_comp_code != COMP_STOP_INVAL) {
-                        td->urb->iso_frame_desc[idx].actual_length = len;
+                        frame->actual_length = len;
                         td->urb->actual_length += len;
                 }
         }
@@ -1766,6 +1774,35 @@ static int process_isoc_td(struct xhci_hcd *xhci, struct xhci_td *td,
         return finish_td(xhci, td, event_trb, event, ep, status, false);
 }
 
+static int skip_isoc_td(struct xhci_hcd *xhci, struct xhci_td *td,
+                        struct xhci_transfer_event *event,
+                        struct xhci_virt_ep *ep, int *status)
+{
+        struct xhci_ring *ep_ring;
+        struct urb_priv *urb_priv;
+        struct usb_iso_packet_descriptor *frame;
+        int idx;
+
+        ep_ring = xhci_dma_to_transfer_ring(ep, event->buffer);
+        urb_priv = td->urb->hcpriv;
+        idx = urb_priv->td_cnt;
+        frame = &td->urb->iso_frame_desc[idx];
+
+        /* The transfer is partly done */
+        *status = -EXDEV;
+        frame->status = -EXDEV;
+
+        /* calc actual length */
+        frame->actual_length = 0;
+
+        /* Update ring dequeue pointer */
+        while (ep_ring->dequeue != td->last_trb)
+                inc_deq(xhci, ep_ring, false);
+        inc_deq(xhci, ep_ring, false);
+
+        return finish_td(xhci, td, NULL, event, ep, status, true);
+}
+
 /*
  * Process bulk and interrupt tds, update urb status and actual_length.
  */
@@ -2024,36 +2061,42 @@ static int handle_tx_event(struct xhci_hcd *xhci,
                 }
 
                 td = list_entry(ep_ring->td_list.next, struct xhci_td, td_list);
+
                 /* Is this a TRB in the currently executing TD? */
                 event_seg = trb_in_td(ep_ring->deq_seg, ep_ring->dequeue,
                                 td->last_trb, event_dma);
-                if (event_seg && ep->skip) {
+                if (!event_seg) {
+                        if (!ep->skip ||
+                            !usb_endpoint_xfer_isoc(&td->urb->ep->desc)) {
+                                /* HC is busted, give up! */
+                                xhci_err(xhci,
+                                        "ERROR Transfer event TRB DMA ptr not "
+                                        "part of current TD\n");
+                                return -ESHUTDOWN;
+                        }
+
+                        ret = skip_isoc_td(xhci, td, event, ep, &status);
+                        goto cleanup;
+                }
+
+                if (ep->skip) {
                         xhci_dbg(xhci, "Found td. Clear skip flag.\n");
                         ep->skip = false;
                 }
-                if (!event_seg &&
-                   (!ep->skip || !usb_endpoint_xfer_isoc(&td->urb->ep->desc))) {
-                        /* HC is busted, give up! */
-                        xhci_err(xhci, "ERROR Transfer event TRB DMA ptr not "
-                                        "part of current TD\n");
-                        return -ESHUTDOWN;
-                }
 
-                if (event_seg) {
-                        event_trb = &event_seg->trbs[(event_dma -
-                                         event_seg->dma) / sizeof(*event_trb)];
-                        /*
-                         * No-op TRB should not trigger interrupts.
-                         * If event_trb is a no-op TRB, it means the
-                         * corresponding TD has been cancelled. Just ignore
-                         * the TD.
-                         */
-                        if ((event_trb->generic.field[3] & TRB_TYPE_BITMASK)
-                                         == TRB_TYPE(TRB_TR_NOOP)) {
-                                xhci_dbg(xhci, "event_trb is a no-op TRB. "
-                                                "Skip it\n");
-                                goto cleanup;
-                        }
+                event_trb = &event_seg->trbs[(event_dma - event_seg->dma) /
+                                                sizeof(*event_trb)];
+                /*
+                 * No-op TRB should not trigger interrupts.
+                 * If event_trb is a no-op TRB, it means the
+                 * corresponding TD has been cancelled. Just ignore
+                 * the TD.
+                 */
+                if ((event_trb->generic.field[3] & TRB_TYPE_BITMASK)
+                                 == TRB_TYPE(TRB_TR_NOOP)) {
+                        xhci_dbg(xhci,
+                                 "event_trb is a no-op TRB. Skip it\n");
+                        goto cleanup;
                 }
 
                 /* Now update the urb's actual_length and give back to
@@ -3126,6 +3169,12 @@ static int xhci_queue_isoc_tx(struct xhci_hcd *xhci, gfp_t mem_flags,
                 }
         }
 
+        if (xhci_to_hcd(xhci)->self.bandwidth_isoc_reqs == 0) {
+                if (xhci->quirks & XHCI_AMD_PLL_FIX)
+                        usb_amd_quirk_pll_disable();
+        }
+        xhci_to_hcd(xhci)->self.bandwidth_isoc_reqs++;
+
         giveback_first_trb(xhci, slot_id, ep_index, urb->stream_id,
                         start_cycle, start_trb);
         return 0;
diff --git a/drivers/usb/host/xhci.c b/drivers/usb/host/xhci.c
index 196e0181b2ed..81b976e45880 100644
--- a/drivers/usb/host/xhci.c
+++ b/drivers/usb/host/xhci.c
@@ -550,6 +550,9 @@ void xhci_stop(struct usb_hcd *hcd)
         del_timer_sync(&xhci->event_ring_timer);
 #endif
 
+        if (xhci->quirks & XHCI_AMD_PLL_FIX)
+                usb_amd_dev_put();
+
         xhci_dbg(xhci, "// Disabling event ring interrupts\n");
         temp = xhci_readl(xhci, &xhci->op_regs->status);
         xhci_writel(xhci, temp & ~STS_EINT, &xhci->op_regs->status);
@@ -771,7 +774,9 @@ int xhci_resume(struct xhci_hcd *xhci, bool hibernated)
 
         /* If restore operation fails, re-initialize the HC during resume */
         if ((temp & STS_SRE) || hibernated) {
-                usb_root_hub_lost_power(hcd->self.root_hub);
+                /* Let the USB core know _both_ roothubs lost power. */
+                usb_root_hub_lost_power(xhci->main_hcd->self.root_hub);
+                usb_root_hub_lost_power(xhci->shared_hcd->self.root_hub);
 
                 xhci_dbg(xhci, "Stop HCD\n");
                 xhci_halt(xhci);
@@ -2386,10 +2391,18 @@ int xhci_discover_or_reset_device(struct usb_hcd *hcd, struct usb_device *udev)
         /* Everything but endpoint 0 is disabled, so free or cache the rings. */
         last_freed_endpoint = 1;
         for (i = 1; i < 31; ++i) {
-                if (!virt_dev->eps[i].ring)
-                        continue;
-                xhci_free_or_cache_endpoint_ring(xhci, virt_dev, i);
-                last_freed_endpoint = i;
+                struct xhci_virt_ep *ep = &virt_dev->eps[i];
+
+                if (ep->ep_state & EP_HAS_STREAMS) {
+                        xhci_free_stream_info(xhci, ep->stream_info);
+                        ep->stream_info = NULL;
+                        ep->ep_state &= ~EP_HAS_STREAMS;
+                }
+
+                if (ep->ring) {
+                        xhci_free_or_cache_endpoint_ring(xhci, virt_dev, i);
+                        last_freed_endpoint = i;
+                }
         }
         xhci_dbg(xhci, "Output context after successful reset device cmd:\n");
         xhci_dbg_ctx(xhci, virt_dev->out_ctx, last_freed_endpoint);
diff --git a/drivers/usb/host/xhci.h b/drivers/usb/host/xhci.h
index 07e263063e37..ba1be6b7cc6d 100644
--- a/drivers/usb/host/xhci.h
+++ b/drivers/usb/host/xhci.h
@@ -30,6 +30,7 @@
 
 /* Code sharing between pci-quirks and xhci hcd */
 #include        "xhci-ext-caps.h"
+#include "pci-quirks.h"
 
 /* xHCI PCI Configuration Registers */
 #define XHCI_SBRN_OFFSET        (0x60)
@@ -232,7 +233,7 @@ struct xhci_op_regs {
  * notification type that matches a bit set in this bit field.
  */
 #define DEV_NOTE_MASK           (0xffff)
-#define ENABLE_DEV_NOTE(x)      (1 << x)
+#define ENABLE_DEV_NOTE(x)      (1 << (x))
 /* Most of the device notification types should only be used for debug.
  * SW does need to pay attention to function wake notifications.
  */
@@ -348,6 +349,9 @@ struct xhci_op_regs {
 /* Initiate a warm port reset - complete when PORT_WRC is '1' */
 #define PORT_WR         (1 << 31)
 
+/* We mark duplicate entries with -1 */
+#define DUPLICATE_ENTRY ((u8)(-1))
+
 /* Port Power Management Status and Control - port_power_base bitmasks */
 /* Inactivity timer value for transitions into U1, in microseconds.
  * Timeout can be up to 127us.  0xFF means an infinite timeout.
@@ -601,11 +605,11 @@ struct xhci_ep_ctx {
 #define EP_STATE_STOPPED        3
 #define EP_STATE_ERROR          4
 /* Mult - Max number of burtst within an interval, in EP companion desc. */
-#define EP_MULT(p)              ((p & 0x3) << 8)
+#define EP_MULT(p)              (((p) & 0x3) << 8)
 /* bits 10:14 are Max Primary Streams */
 /* bit 15 is Linear Stream Array */
 /* Interval - period between requests to an endpoint - 125u increments. */
-#define EP_INTERVAL(p)          ((p & 0xff) << 16)
+#define EP_INTERVAL(p)          (((p) & 0xff) << 16)
 #define EP_INTERVAL_TO_UFRAMES(p)               (1 << (((p) >> 16) & 0xff))
 #define EP_MAXPSTREAMS_MASK     (0x1f << 10)
 #define EP_MAXPSTREAMS(p)       (((p) << 10) & EP_MAXPSTREAMS_MASK)
@@ -1276,6 +1280,7 @@ struct xhci_hcd {
 #define XHCI_LINK_TRB_QUIRK     (1 << 0)
 #define XHCI_RESET_EP_QUIRK     (1 << 1)
 #define XHCI_NEC_HOST           (1 << 2)
+#define XHCI_AMD_PLL_FIX        (1 << 3)
         /* There are two roothubs to keep track of bus suspend info for */
         struct xhci_bus_state   bus_state[2];
         /* Is each xHCI roothub port a USB 3.0, USB 2.0, or USB 1.1 port? */
diff --git a/drivers/usb/musb/Kconfig b/drivers/usb/musb/Kconfig
index 4cbb7e4b368d..74073b363c30 100644
--- a/drivers/usb/musb/Kconfig
+++ b/drivers/usb/musb/Kconfig
@@ -14,7 +14,7 @@ config USB_MUSB_HDRC
         select TWL4030_USB if MACH_OMAP_3430SDP
         select TWL6030_USB if MACH_OMAP_4430SDP || MACH_OMAP4_PANDA
         select USB_OTG_UTILS
-        tristate 'Inventra Highspeed Dual Role Controller (TI, ADI, ...)'
+        bool 'Inventra Highspeed Dual Role Controller (TI, ADI, ...)'
         help
           Say Y here if your system has a dual role high speed USB
           controller based on the Mentor Graphics silicon IP.  Then
@@ -30,8 +30,8 @@ config USB_MUSB_HDRC
 
           If you do not know what this is, please say N.
 
-          To compile this driver as a module, choose M here; the
-          module will be called "musb-hdrc".
+#         To compile this driver as a module, choose M here; the
+#         module will be called "musb-hdrc".
 
 choice
         prompt "Platform Glue Layer"
diff --git a/drivers/usb/musb/blackfin.c b/drivers/usb/musb/blackfin.c
index 52312e8af213..8e2a1ff8a35a 100644
--- a/drivers/usb/musb/blackfin.c
+++ b/drivers/usb/musb/blackfin.c
@@ -21,6 +21,7 @@
 #include <asm/cacheflush.h>
 
 #include "musb_core.h"
+#include "musbhsdma.h"
 #include "blackfin.h"
 
 struct bfin_glue {
@@ -332,6 +333,27 @@ static int bfin_musb_set_mode(struct musb *musb, u8 musb_mode)
         return -EIO;
 }
 
+static int bfin_musb_adjust_channel_params(struct dma_channel *channel,
+                                u16 packet_sz, u8 *mode,
+                                dma_addr_t *dma_addr, u32 *len)
+{
+        struct musb_dma_channel *musb_channel = channel->private_data;
+
+        /*
+         * Anomaly 05000450 might cause data corruption when using DMA
+         * MODE 1 transmits with short packet.  So to work around this,
+         * we truncate all MODE 1 transfers down to a multiple of the
+         * max packet size, and then do the last short packet transfer
+         * (if there is any) using MODE 0.
+         */
+        if (ANOMALY_05000450) {
+                if (musb_channel->transmit && *mode == 1)
+                        *len = *len - (*len % packet_sz);
+        }
+
+        return 0;
+}
+
 static void bfin_musb_reg_init(struct musb *musb)
 {
         if (ANOMALY_05000346) {
@@ -430,6 +452,8 @@ static const struct musb_platform_ops bfin_ops = {
 
         .vbus_status    = bfin_musb_vbus_status,
         .set_vbus       = bfin_musb_set_vbus,
+
+        .adjust_channel_params = bfin_musb_adjust_channel_params,
 };
 
 static u64 bfin_dmamask = DMA_BIT_MASK(32);
diff --git a/drivers/usb/musb/cppi_dma.c b/drivers/usb/musb/cppi_dma.c
index de55a3c3259a..ab434fbd8c35 100644
--- a/drivers/usb/musb/cppi_dma.c
+++ b/drivers/usb/musb/cppi_dma.c
@@ -597,12 +597,12 @@ cppi_next_tx_segment(struct musb *musb, struct cppi_channel *tx)
                 length = min(n_bds * maxpacket, length);
         }
 
-        DBG(4, "TX DMA%d, pktSz %d %s bds %d dma 0x%x len %u\n",
+        DBG(4, "TX DMA%d, pktSz %d %s bds %d dma 0x%llx len %u\n",
                         tx->index,
                         maxpacket,
                         rndis ? "rndis" : "transparent",
                         n_bds,
-                        addr, length);
+                        (unsigned long long)addr, length);
 
         cppi_rndis_update(tx, 0, musb->ctrl_base, rndis);
 
@@ -820,7 +820,7 @@ cppi_next_rx_segment(struct musb *musb, struct cppi_channel *rx, int onepacket)
         length = min(n_bds * maxpacket, length);
 
         DBG(4, "RX DMA%d seg, maxp %d %s bds %d (cnt %d) "
-                        "dma 0x%x len %u %u/%u\n",
+                        "dma 0x%llx len %u %u/%u\n",
                         rx->index, maxpacket,
                         onepacket
                                 ? (is_rndis ? "rndis" : "onepacket")
@@ -829,7 +829,8 @@ cppi_next_rx_segment(struct musb *musb, struct cppi_channel *rx, int onepacket)
                         musb_readl(tibase,
                                 DAVINCI_RXCPPI_BUFCNT0_REG + (rx->index * 4))
                                         & 0xffff,
-                        addr, length, rx->channel.actual_len, rx->buf_len);
+                        (unsigned long long)addr, length,
+                        rx->channel.actual_len, rx->buf_len);
 
         /* only queue one segment at a time, since the hardware prevents
          * correct queue shutdown after unexpected short packets
@@ -1039,9 +1040,9 @@ static bool cppi_rx_scan(struct cppi *cppi, unsigned ch)
                 if (!completed && (bd->hw_options & CPPI_OWN_SET))
                         break;
 
-                DBG(5, "C/RXBD %08x: nxt %08x buf %08x "
+                DBG(5, "C/RXBD %llx: nxt %08x buf %08x "
                         "off.len %08x opt.len %08x (%d)\n",
-                        bd->dma, bd->hw_next, bd->hw_bufp,
+                        (unsigned long long)bd->dma, bd->hw_next, bd->hw_bufp,
                         bd->hw_off_len, bd->hw_options,
                         rx->channel.actual_len);
 
@@ -1111,11 +1112,12 @@ static bool cppi_rx_scan(struct cppi *cppi, unsigned ch)
                 musb_ep_select(cppi->mregs, rx->index + 1);
                 csr = musb_readw(regs, MUSB_RXCSR);
                 if (csr & MUSB_RXCSR_DMAENAB) {
-                        DBG(4, "list%d %p/%p, last %08x%s, csr %04x\n",
+                        DBG(4, "list%d %p/%p, last %llx%s, csr %04x\n",
                                 rx->index,
                                 rx->head, rx->tail,
                                 rx->last_processed
-                                        ? rx->last_processed->dma
+                                        ? (unsigned long long)
+                                                rx->last_processed->dma
                                         : 0,
                                 completed ? ", completed" : "",
                                 csr);
@@ -1167,8 +1169,11 @@ irqreturn_t cppi_interrupt(int irq, void *dev_id)
         tx = musb_readl(tibase, DAVINCI_TXCPPI_MASKED_REG);
         rx = musb_readl(tibase, DAVINCI_RXCPPI_MASKED_REG);
 
-        if (!tx && !rx)
+        if (!tx && !rx) {
+                if (cppi->irq)
+                        spin_unlock_irqrestore(&musb->lock, flags);
                 return IRQ_NONE;
+        }
 
         DBG(4, "CPPI IRQ Tx%x Rx%x\n", tx, rx);
 
@@ -1199,7 +1204,7 @@ irqreturn_t cppi_interrupt(int irq, void *dev_id)
                  */
                 if (NULL == bd) {
                         DBG(1, "null BD\n");
-                        tx_ram->tx_complete = 0;
+                        musb_writel(&tx_ram->tx_complete, 0, 0);
                         continue;
                 }
 
@@ -1452,7 +1457,7 @@ static int cppi_channel_abort(struct dma_channel *channel)
                  *    compare mode by writing 1 to the tx_complete register.
                  */
                 cppi_reset_tx(tx_ram, 1);
-                cppi_ch->head = 0;
+                cppi_ch->head = NULL;
                 musb_writel(&tx_ram->tx_complete, 0, 1);
                 cppi_dump_tx(5, cppi_ch, " (done teardown)");
 
diff --git a/drivers/usb/musb/musb_core.c b/drivers/usb/musb/musb_core.c
index 630ae7f3cd4c..f10ff00ca09e 100644
--- a/drivers/usb/musb/musb_core.c
+++ b/drivers/usb/musb/musb_core.c
@@ -1030,6 +1030,7 @@ static void musb_shutdown(struct platform_device *pdev)
         struct musb     *musb = dev_to_musb(&pdev->dev);
         unsigned long   flags;
 
+        pm_runtime_get_sync(musb->controller);
         spin_lock_irqsave(&musb->lock, flags);
         musb_platform_disable(musb);
         musb_generic_disable(musb);
@@ -1040,6 +1041,7 @@ static void musb_shutdown(struct platform_device *pdev)
         musb_writeb(musb->mregs, MUSB_DEVCTL, 0);
         musb_platform_exit(musb);
 
+        pm_runtime_put(musb->controller);
         /* FIXME power down */
 }
 
diff --git a/drivers/usb/musb/musb_core.h b/drivers/usb/musb/musb_core.h
index 4bd9e2145ee4..0e053b587960 100644
--- a/drivers/usb/musb/musb_core.h
+++ b/drivers/usb/musb/musb_core.h
@@ -261,6 +261,7 @@ enum musb_g_ep0_state {
  * @try_ilde:   tries to idle the IP
  * @vbus_status: returns vbus status if possible
  * @set_vbus:   forces vbus status
+ * @channel_program: pre check for standard dma channel_program func
  */
 struct musb_platform_ops {
         int     (*init)(struct musb *musb);
@@ -274,6 +275,10 @@ struct musb_platform_ops {
 
         int     (*vbus_status)(struct musb *musb);
         void    (*set_vbus)(struct musb *musb, int on);
+
+        int     (*adjust_channel_params)(struct dma_channel *channel,
+                                u16 packet_sz, u8 *mode,
+                                dma_addr_t *dma_addr, u32 *len);
 };
 
 /*
diff --git a/drivers/usb/musb/musb_gadget.c b/drivers/usb/musb/musb_gadget.c
index 98519c5d8b5c..6dfbf9ffd7a6 100644
--- a/drivers/usb/musb/musb_gadget.c
+++ b/drivers/usb/musb/musb_gadget.c
@@ -535,7 +535,7 @@ void musb_g_tx(struct musb *musb, u8 epnum)
                         is_dma = 1;
                         csr |= MUSB_TXCSR_P_WZC_BITS;
                         csr &= ~(MUSB_TXCSR_DMAENAB | MUSB_TXCSR_P_UNDERRUN |
-                                 MUSB_TXCSR_TXPKTRDY);
+                                 MUSB_TXCSR_TXPKTRDY | MUSB_TXCSR_AUTOSET);
                         musb_writew(epio, MUSB_TXCSR, csr);
                         /* Ensure writebuffer is empty. */
                         csr = musb_readw(epio, MUSB_TXCSR);
@@ -1296,7 +1296,7 @@ static int musb_gadget_dequeue(struct usb_ep *ep, struct usb_request *request)
         }
 
         /* if the hardware doesn't have the request, easy ... */
-        if (musb_ep->req_list.next != &request->list || musb_ep->busy)
+        if (musb_ep->req_list.next != &req->list || musb_ep->busy)
                 musb_g_giveback(musb_ep, request, -ECONNRESET);
 
         /* ... else abort the dma transfer ... */
diff --git a/drivers/usb/musb/musbhsdma.c b/drivers/usb/musb/musbhsdma.c
index 0144a2d481fd..d281792db05c 100644
--- a/drivers/usb/musb/musbhsdma.c
+++ b/drivers/usb/musb/musbhsdma.c
@@ -169,6 +169,14 @@ static int dma_channel_program(struct dma_channel *channel,
         BUG_ON(channel->status == MUSB_DMA_STATUS_UNKNOWN ||
                 channel->status == MUSB_DMA_STATUS_BUSY);
 
+        /* Let targets check/tweak the arguments */
+        if (musb->ops->adjust_channel_params) {
+                int ret = musb->ops->adjust_channel_params(channel,
+                        packet_sz, &mode, &dma_addr, &len);
+                if (ret)
+                        return ret;
+        }
+
         /*
          * The DMA engine in RTL1.8 and above cannot handle
          * DMA addresses that are not aligned to a 4 byte boundary.
diff --git a/drivers/usb/musb/omap2430.c b/drivers/usb/musb/omap2430.c
index 25cb8b0003b1..57a27fa954b4 100644
--- a/drivers/usb/musb/omap2430.c
+++ b/drivers/usb/musb/omap2430.c
@@ -259,9 +259,10 @@ static int musb_otg_notifications(struct notifier_block *nb,
         case USB_EVENT_VBUS:
                 DBG(4, "VBUS Connect\n");
 
+#ifdef CONFIG_USB_GADGET_MUSB_HDRC
                 if (musb->gadget_driver)
                         pm_runtime_get_sync(musb->controller);
-
+#endif
                 otg_init(musb->xceiv);
                 break;
 
diff --git a/drivers/usb/musb/ux500.c b/drivers/usb/musb/ux500.c
index d6384e4aeef9..f7e04bf34a13 100644
--- a/drivers/usb/musb/ux500.c
+++ b/drivers/usb/musb/ux500.c
@@ -93,6 +93,8 @@ static int __init ux500_probe(struct platform_device *pdev)
         }
 
         musb->dev.parent                = &pdev->dev;
+        musb->dev.dma_mask              = pdev->dev.dma_mask;
+        musb->dev.coherent_dma_mask     = pdev->dev.coherent_dma_mask;
 
         glue->dev                       = &pdev->dev;
         glue->musb                      = musb;
diff --git a/drivers/usb/serial/ftdi_sio.c b/drivers/usb/serial/ftdi_sio.c
index a973c7a29d6e..4de6ef0ae52a 100644
--- a/drivers/usb/serial/ftdi_sio.c
+++ b/drivers/usb/serial/ftdi_sio.c
@@ -151,6 +151,8 @@ static struct ftdi_sio_quirk ftdi_stmclite_quirk = {
  * /sys/bus/usb/ftdi_sio/new_id, then send patch/report!
  */
 static struct usb_device_id id_table_combined [] = {
+        { USB_DEVICE(FTDI_VID, FTDI_CTI_MINI_PID) },
+        { USB_DEVICE(FTDI_VID, FTDI_CTI_NANO_PID) },
         { USB_DEVICE(FTDI_VID, FTDI_AMC232_PID) },
         { USB_DEVICE(FTDI_VID, FTDI_CANUSB_PID) },
         { USB_DEVICE(FTDI_VID, FTDI_CANDAPTER_PID) },
@@ -525,6 +527,7 @@ static struct usb_device_id id_table_combined [] = {
         { USB_DEVICE(SEALEVEL_VID, SEALEVEL_2803_8_PID) },
         { USB_DEVICE(IDTECH_VID, IDTECH_IDT1221U_PID) },
         { USB_DEVICE(OCT_VID, OCT_US101_PID) },
+        { USB_DEVICE(OCT_VID, OCT_DK201_PID) },
         { USB_DEVICE(FTDI_VID, FTDI_HE_TIRA1_PID),
                 .driver_info = (kernel_ulong_t)&ftdi_HE_TIRA1_quirk },
         { USB_DEVICE(FTDI_VID, FTDI_USB_UIRT_PID),
@@ -787,6 +790,8 @@ static struct usb_device_id id_table_combined [] = {
         { USB_DEVICE(FTDI_VID, MARVELL_OPENRD_PID),
                 .driver_info = (kernel_ulong_t)&ftdi_jtag_quirk },
         { USB_DEVICE(FTDI_VID, HAMEG_HO820_PID) },
+        { USB_DEVICE(FTDI_VID, HAMEG_HO720_PID) },
+        { USB_DEVICE(FTDI_VID, HAMEG_HO730_PID) },
         { USB_DEVICE(FTDI_VID, HAMEG_HO870_PID) },
         { USB_DEVICE(FTDI_VID, MJSG_GENERIC_PID) },
         { USB_DEVICE(FTDI_VID, MJSG_SR_RADIO_PID) },
diff --git a/drivers/usb/serial/ftdi_sio_ids.h b/drivers/usb/serial/ftdi_sio_ids.h
index c543e55bafba..efffc23723bd 100644
--- a/drivers/usb/serial/ftdi_sio_ids.h
+++ b/drivers/usb/serial/ftdi_sio_ids.h
@@ -300,6 +300,8 @@
  * Hameg HO820 and HO870 interface (using VID 0x0403)
  */
 #define HAMEG_HO820_PID                 0xed74
+#define HAMEG_HO730_PID                 0xed73
+#define HAMEG_HO720_PID                 0xed72
 #define HAMEG_HO870_PID                 0xed71
 
 /*
@@ -572,6 +574,7 @@
 /* Note: OCT US101 is also rebadged as Dick Smith Electronics (NZ) XH6381 */
 /* Also rebadged as Dick Smith Electronics (Aus) XH6451 */
 /* Also rebadged as SIIG Inc. model US2308 hardware version 1 */
+#define OCT_DK201_PID           0x0103  /* OCT DK201 USB docking station */
 #define OCT_US101_PID           0x0421  /* OCT US101 USB to RS-232 */
 
 /*
@@ -1141,3 +1144,12 @@
 #define QIHARDWARE_VID                  0x20B7
 #define MILKYMISTONE_JTAGSERIAL_PID     0x0713
 
+/*
+ * CTI GmbH RS485 Converter http://www.cti-lean.com/
+ */
+/* USB-485-Mini*/
+#define FTDI_CTI_MINI_PID       0xF608
+/* USB-Nano-485*/
+#define FTDI_CTI_NANO_PID       0xF60B
+
+
diff --git a/drivers/usb/serial/option.c b/drivers/usb/serial/option.c
index 75c7f456eed5..d77ff0435896 100644
--- a/drivers/usb/serial/option.c
+++ b/drivers/usb/serial/option.c
@@ -407,6 +407,10 @@ static void option_instat_callback(struct urb *urb);
 /* ONDA MT825UP HSDPA 14.2 modem */
 #define ONDA_MT825UP         0x000b
 
+/* Samsung products */
+#define SAMSUNG_VENDOR_ID                       0x04e8
+#define SAMSUNG_PRODUCT_GT_B3730                0x6889
+
 /* some devices interfaces need special handling due to a number of reasons */
 enum option_blacklist_reason {
                 OPTION_BLACKLIST_NONE = 0,
@@ -968,6 +972,7 @@ static const struct usb_device_id option_ids[] = {
         { 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 */
+        { USB_DEVICE_AND_INTERFACE_INFO(SAMSUNG_VENDOR_ID, SAMSUNG_PRODUCT_GT_B3730, USB_CLASS_CDC_DATA, 0x00, 0x00) }, /* Samsung GT-B3730/GT-B3710 LTE USB modem.*/
         { } /* Terminating entry */
 };
 MODULE_DEVICE_TABLE(usb, option_ids);
diff --git a/drivers/usb/serial/qcserial.c b/drivers/usb/serial/qcserial.c
index 8858201eb1d3..54a9dab1f33b 100644
--- a/drivers/usb/serial/qcserial.c
+++ b/drivers/usb/serial/qcserial.c
@@ -111,7 +111,7 @@ static int qcprobe(struct usb_serial *serial, const struct usb_device_id *id)
         ifnum = intf->desc.bInterfaceNumber;
         dbg("This Interface = %d", ifnum);
 
-        data = serial->private = kzalloc(sizeof(struct usb_wwan_intf_private),
+        data = kzalloc(sizeof(struct usb_wwan_intf_private),
                                          GFP_KERNEL);
         if (!data)
                 return -ENOMEM;
@@ -134,8 +134,10 @@ static int qcprobe(struct usb_serial *serial, const struct usb_device_id *id)
                     usb_endpoint_is_bulk_out(&intf->endpoint[1].desc)) {
                         dbg("QDL port found");
 
-                        if (serial->interface->num_altsetting == 1)
-                                return 0;
+                        if (serial->interface->num_altsetting == 1) {
+                                retval = 0; /* Success */
+                                break;
+                        }
 
                         retval = usb_set_interface(serial->dev, ifnum, 1);
                         if (retval < 0) {
@@ -145,7 +147,6 @@ static int qcprobe(struct usb_serial *serial, const struct usb_device_id *id)
                                 retval = -ENODEV;
                                 kfree(data);
                         }
-                        return retval;
                 }
                 break;
 
@@ -166,6 +167,7 @@ static int qcprobe(struct usb_serial *serial, const struct usb_device_id *id)
                                         "Could not set interface, error %d\n",
                                         retval);
                                 retval = -ENODEV;
+                                kfree(data);
                         }
                 } else if (ifnum == 2) {
                         dbg("Modem port found");
@@ -177,7 +179,6 @@ static int qcprobe(struct usb_serial *serial, const struct usb_device_id *id)
                                 retval = -ENODEV;
                                 kfree(data);
                         }
-                        return retval;
                 } else if (ifnum==3) {
                         /*
                          * NMEA (serial line 9600 8N1)
@@ -191,6 +192,7 @@ static int qcprobe(struct usb_serial *serial, const struct usb_device_id *id)
                                         "Could not set interface, error %d\n",
                                         retval);
                                 retval = -ENODEV;
+                                kfree(data);
                         }
                 }
                 break;
@@ -199,12 +201,27 @@ static int qcprobe(struct usb_serial *serial, const struct usb_device_id *id)
                 dev_err(&serial->dev->dev,
                         "unknown number of interfaces: %d\n", nintf);
                 kfree(data);
-                return -ENODEV;
+                retval = -ENODEV;
         }
 
+        /* Set serial->private if not returning -ENODEV */
+        if (retval != -ENODEV)
+                usb_set_serial_data(serial, data);
         return retval;
 }
 
+static void qc_release(struct usb_serial *serial)
+{
+        struct usb_wwan_intf_private *priv = usb_get_serial_data(serial);
+
+        dbg("%s", __func__);
+
+        /* Call usb_wwan release & free the private data allocated in qcprobe */
+        usb_wwan_release(serial);
+        usb_set_serial_data(serial, NULL);
+        kfree(priv);
+}
+
 static struct usb_serial_driver qcdevice = {
         .driver = {
                 .owner     = THIS_MODULE,
@@ -222,7 +239,7 @@ static struct usb_serial_driver qcdevice = {
         .chars_in_buffer     = usb_wwan_chars_in_buffer,
         .attach              = usb_wwan_startup,
         .disconnect          = usb_wwan_disconnect,
-        .release             = usb_wwan_release,
+        .release             = qc_release,
 #ifdef CONFIG_PM
         .suspend             = usb_wwan_suspend,
         .resume              = usb_wwan_resume,
diff --git a/drivers/video/pxafb.c b/drivers/video/pxafb.c
index a2e5b5100ab4..0f4e8c942f9e 100644
--- a/drivers/video/pxafb.c
+++ b/drivers/video/pxafb.c
@@ -1648,7 +1648,9 @@ pxafb_freq_transition(struct notifier_block *nb, unsigned long val, void *data)
 
         switch (val) {
         case CPUFREQ_PRECHANGE:
-                if (!fbi->overlay[0].usage && !fbi->overlay[1].usage)
+#ifdef CONFIG_FB_PXA_OVERLAY
+                if (!(fbi->overlay[0].usage || fbi->overlay[1].usage))
+#endif
                         set_ctrlr_state(fbi, C_DISABLE_CLKCHANGE);
                 break;
 
diff --git a/drivers/xen/events.c b/drivers/xen/events.c
index 42d6c930cc87..33167b43ac7e 100644
--- a/drivers/xen/events.c
+++ b/drivers/xen/events.c
@@ -912,8 +912,7 @@ int bind_evtchn_to_irqhandler(unsigned int evtchn,
                               unsigned long irqflags,
                               const char *devname, void *dev_id)
 {
-        unsigned int irq;
-        int retval;
+        int irq, retval;
 
         irq = bind_evtchn_to_irq(evtchn);
         if (irq < 0)
@@ -955,8 +954,7 @@ int bind_virq_to_irqhandler(unsigned int virq, unsigned int cpu,
                             irq_handler_t handler,
                             unsigned long irqflags, const char *devname, void *dev_id)
 {
-        unsigned int irq;
-        int retval;
+        int irq, retval;
 
         irq = bind_virq_to_irq(virq, cpu);
         if (irq < 0)
diff --git a/drivers/xen/manage.c b/drivers/xen/manage.c
index 95143dd6904d..1ac94125bf93 100644
--- a/drivers/xen/manage.c
+++ b/drivers/xen/manage.c
@@ -61,7 +61,7 @@ static void xen_post_suspend(int cancelled)
         xen_mm_unpin_all();
 }
 
-#ifdef CONFIG_HIBERNATION
+#ifdef CONFIG_HIBERNATE_CALLBACKS
 static int xen_suspend(void *data)
 {
         struct suspend_info *si = data;
@@ -173,7 +173,7 @@ out:
 #endif
         shutting_down = SHUTDOWN_INVALID;
 }
-#endif  /* CONFIG_HIBERNATION */
+#endif  /* CONFIG_HIBERNATE_CALLBACKS */
 
 struct shutdown_handler {
         const char *command;
@@ -202,7 +202,7 @@ static void shutdown_handler(struct xenbus_watch *watch,
                 { "poweroff",   do_poweroff },
                 { "halt",       do_poweroff },
                 { "reboot",     do_reboot   },
-#ifdef CONFIG_HIBERNATION
+#ifdef CONFIG_HIBERNATE_CALLBACKS
                 { "suspend",    do_suspend  },
 #endif
                 {NULL, NULL},