Merge branch 'core/locking' into tracing/ftrace

38 files changed, 278 insertions, 120 deletions

diff --git a/drivers/base/node.c b/drivers/base/node.c
index 43fa90b837e..f8f578a71b2 100644
--- a/drivers/base/node.c
+++ b/drivers/base/node.c
@@ -303,7 +303,7 @@ int unregister_mem_sect_under_nodes(struct memory_block *mem_blk)
 	sect_start_pfn = section_nr_to_pfn(mem_blk->phys_index);
 	sect_end_pfn = sect_start_pfn + PAGES_PER_SECTION - 1;
 	for (pfn = sect_start_pfn; pfn <= sect_end_pfn; pfn++) {
-		unsigned int nid;
+		int nid;
 
 		nid = get_nid_for_pfn(pfn);
 		if (nid < 0)
diff --git a/drivers/char/agp/amd64-agp.c b/drivers/char/agp/amd64-agp.c
index 52f4361eb6e..d765afda9c2 100644
--- a/drivers/char/agp/amd64-agp.c
+++ b/drivers/char/agp/amd64-agp.c
@@ -271,15 +271,15 @@ static __devinit int fix_northbridge(struct pci_dev *nb, struct pci_dev *agp,
 	nb_order = (nb_order >> 1) & 7;
 	pci_read_config_dword(nb, AMD64_GARTAPERTUREBASE, &nb_base);
 	nb_aper = nb_base << 25;
-	if (agp_aperture_valid(nb_aper, (32*1024*1024)<<nb_order)) {
-		return 0;
-	}
 
 	/* Northbridge seems to contain crap. Try the AGP bridge. */
 
 	pci_read_config_word(agp, cap+0x14, &apsize);
-	if (apsize == 0xffff)
+	if (apsize == 0xffff) {
+		if (agp_aperture_valid(nb_aper, (32*1024*1024)<<nb_order))
+			return 0;
 		return -1;
+	}
 
 	apsize &= 0xfff;
 	/* Some BIOS use weird encodings not in the AGPv3 table. */
@@ -301,6 +301,11 @@ static __devinit int fix_northbridge(struct pci_dev *nb, struct pci_dev *agp,
 		order = nb_order;
 	}
 
+	if (nb_order >= order) {
+		if (agp_aperture_valid(nb_aper, (32*1024*1024)<<nb_order))
+			return 0;
+	}
+
 	dev_info(&agp->dev, "aperture from AGP @ %Lx size %u MB\n",
 		 aper, 32 << order);
 	if (order < 0 || !agp_aperture_valid(aper, (32*1024*1024)<<order))
diff --git a/drivers/char/agp/intel-agp.c b/drivers/char/agp/intel-agp.c
index c7714185f83..4373adb2119 100644
--- a/drivers/char/agp/intel-agp.c
+++ b/drivers/char/agp/intel-agp.c
@@ -633,13 +633,15 @@ static void intel_i830_init_gtt_entries(void)
 			break;
 		}
 	}
-	if (gtt_entries > 0)
+	if (gtt_entries > 0) {
 		dev_info(&agp_bridge->dev->dev, "detected %dK %s memory\n",
 		       gtt_entries / KB(1), local ? "local" : "stolen");
-	else
+		gtt_entries /= KB(4);
+	} else {
 		dev_info(&agp_bridge->dev->dev,
 		       "no pre-allocated video memory detected\n");
-	gtt_entries /= KB(4);
+		gtt_entries = 0;
+	}
 
 	intel_private.gtt_entries = gtt_entries;
 }
diff --git a/drivers/char/hvcs.c b/drivers/char/hvcs.c
index 6e6eb445d37..c76bccf5354 100644
--- a/drivers/char/hvcs.c
+++ b/drivers/char/hvcs.c
@@ -1139,15 +1139,6 @@ static int hvcs_open(struct tty_struct *tty, struct file *filp)
 	hvcsd->tty = tty;
 	tty->driver_data = hvcsd;
 
-	/*
-	 * Set this driver to low latency so that we actually have a chance at
-	 * catching a throttled TTY after we flip_buffer_push.  Otherwise the
-	 * flush_to_async may not execute until after the kernel_thread has
-	 * yielded and resumed the next flip_buffer_push resulting in data
-	 * loss.
-	 */
-	tty->low_latency = 1;
-
 	memset(&hvcsd->buffer[0], 0x00, HVCS_BUFF_LEN);
 
 	/*
diff --git a/drivers/char/hvsi.c b/drivers/char/hvsi.c
index 406f8742a26..2989056a9e3 100644
--- a/drivers/char/hvsi.c
+++ b/drivers/char/hvsi.c
@@ -810,7 +810,6 @@ static int hvsi_open(struct tty_struct *tty, struct file *filp)
 	hp = &hvsi_ports[line];
 
 	tty->driver_data = hp;
-	tty->low_latency = 1; /* avoid throttle/tty_flip_buffer_push race */
 
 	mb();
 	if (hp->state == HVSI_FSP_DIED)
diff --git a/drivers/gpu/drm/i915/i915_dma.c b/drivers/gpu/drm/i915/i915_dma.c
index 6dab63bdc4c..6d21b9e48b8 100644
--- a/drivers/gpu/drm/i915/i915_dma.c
+++ b/drivers/gpu/drm/i915/i915_dma.c
@@ -1105,7 +1105,7 @@ int i915_driver_load(struct drm_device *dev, unsigned long flags)
 					 1024 * 1024,
 					 MTRR_TYPE_WRCOMB, 1);
 	if (dev_priv->mm.gtt_mtrr < 0) {
-		DRM_INFO("MTRR allocation failed\n.  Graphics "
+		DRM_INFO("MTRR allocation failed.  Graphics "
 			 "performance may suffer.\n");
 	}
 
diff --git a/drivers/gpu/drm/i915/i915_drv.h b/drivers/gpu/drm/i915/i915_drv.h
index 17fa40858d2..d6cc9861e0a 100644
--- a/drivers/gpu/drm/i915/i915_drv.h
+++ b/drivers/gpu/drm/i915/i915_drv.h
@@ -279,7 +279,6 @@ typedef struct drm_i915_private {
 	u8 saveAR_INDEX;
 	u8 saveAR[21];
 	u8 saveDACMASK;
-	u8 saveDACDATA[256*3]; /* 256 3-byte colors */
 	u8 saveCR[37];
 
 	struct {
@@ -457,6 +456,12 @@ struct drm_i915_gem_object {
 
 	/** for phy allocated objects */
 	struct drm_i915_gem_phys_object *phys_obj;
+
+	/**
+	 * Used for checking the object doesn't appear more than once
+	 * in an execbuffer object list.
+	 */
+	int in_execbuffer;
 };
 
 /**
diff --git a/drivers/gpu/drm/i915/i915_gem.c b/drivers/gpu/drm/i915/i915_gem.c
index 85685bfd12d..37427e4016c 100644
--- a/drivers/gpu/drm/i915/i915_gem.c
+++ b/drivers/gpu/drm/i915/i915_gem.c
@@ -1476,7 +1476,7 @@ static void i915_write_fence_reg(struct drm_i915_fence_reg *reg)
 	struct drm_i915_gem_object *obj_priv = obj->driver_private;
 	int regnum = obj_priv->fence_reg;
 	int tile_width;
-	uint32_t val;
+	uint32_t fence_reg, val;
 	uint32_t pitch_val;
 
 	if ((obj_priv->gtt_offset & ~I915_FENCE_START_MASK) ||
@@ -1503,7 +1503,11 @@ static void i915_write_fence_reg(struct drm_i915_fence_reg *reg)
 	val |= pitch_val << I830_FENCE_PITCH_SHIFT;
 	val |= I830_FENCE_REG_VALID;
 
-	I915_WRITE(FENCE_REG_830_0 + (regnum * 4), val);
+	if (regnum < 8)
+		fence_reg = FENCE_REG_830_0 + (regnum * 4);
+	else
+		fence_reg = FENCE_REG_945_8 + ((regnum - 8) * 4);
+	I915_WRITE(fence_reg, val);
 }
 
 static void i830_write_fence_reg(struct drm_i915_fence_reg *reg)
@@ -1557,7 +1561,8 @@ i915_gem_object_get_fence_reg(struct drm_gem_object *obj, bool write)
 	struct drm_i915_private *dev_priv = dev->dev_private;
 	struct drm_i915_gem_object *obj_priv = obj->driver_private;
 	struct drm_i915_fence_reg *reg = NULL;
-	int i, ret;
+	struct drm_i915_gem_object *old_obj_priv = NULL;
+	int i, ret, avail;
 
 	switch (obj_priv->tiling_mode) {
 	case I915_TILING_NONE:
@@ -1580,25 +1585,46 @@ i915_gem_object_get_fence_reg(struct drm_gem_object *obj, bool write)
 	}
 
 	/* First try to find a free reg */
+try_again:
+	avail = 0;
 	for (i = dev_priv->fence_reg_start; i < dev_priv->num_fence_regs; i++) {
 		reg = &dev_priv->fence_regs[i];
 		if (!reg->obj)
 			break;
+
+		old_obj_priv = reg->obj->driver_private;
+		if (!old_obj_priv->pin_count)
+		    avail++;
 	}
 
 	/* None available, try to steal one or wait for a user to finish */
 	if (i == dev_priv->num_fence_regs) {
-		struct drm_i915_gem_object *old_obj_priv = NULL;
+		uint32_t seqno = dev_priv->mm.next_gem_seqno;
 		loff_t offset;
 
-try_again:
-		/* Could try to use LRU here instead... */
+		if (avail == 0)
+			return -ENOMEM;
+
 		for (i = dev_priv->fence_reg_start;
 		     i < dev_priv->num_fence_regs; i++) {
+			uint32_t this_seqno;
+
 			reg = &dev_priv->fence_regs[i];
 			old_obj_priv = reg->obj->driver_private;
-			if (!old_obj_priv->pin_count)
+
+			if (old_obj_priv->pin_count)
+				continue;
+
+			/* i915 uses fences for GPU access to tiled buffers */
+			if (IS_I965G(dev) || !old_obj_priv->active)
 				break;
+
+			/* find the seqno of the first available fence */
+			this_seqno = old_obj_priv->last_rendering_seqno;
+			if (this_seqno != 0 &&
+			    reg->obj->write_domain == 0 &&
+			    i915_seqno_passed(seqno, this_seqno))
+				seqno = this_seqno;
 		}
 
 		/*
@@ -1606,15 +1632,25 @@ try_again:
 		 * objects to finish before trying again.
 		 */
 		if (i == dev_priv->num_fence_regs) {
-			ret = i915_gem_object_set_to_gtt_domain(reg->obj, 0);
-			if (ret) {
-				WARN(ret != -ERESTARTSYS,
-				     "switch to GTT domain failed: %d\n", ret);
-				return ret;
+			if (seqno == dev_priv->mm.next_gem_seqno) {
+				i915_gem_flush(dev,
+					       I915_GEM_GPU_DOMAINS,
+					       I915_GEM_GPU_DOMAINS);
+				seqno = i915_add_request(dev,
+							 I915_GEM_GPU_DOMAINS);
+				if (seqno == 0)
+					return -ENOMEM;
 			}
+
+			ret = i915_wait_request(dev, seqno);
+			if (ret)
+				return ret;
 			goto try_again;
 		}
 
+		BUG_ON(old_obj_priv->active ||
+		       (reg->obj->write_domain & I915_GEM_GPU_DOMAINS));
+
 		/*
 		 * Zap this virtual mapping so we can set up a fence again
 		 * for this object next time we need it.
@@ -1655,8 +1691,17 @@ i915_gem_clear_fence_reg(struct drm_gem_object *obj)
 
 	if (IS_I965G(dev))
 		I915_WRITE64(FENCE_REG_965_0 + (obj_priv->fence_reg * 8), 0);
-	else
-		I915_WRITE(FENCE_REG_830_0 + (obj_priv->fence_reg * 4), 0);
+	else {
+		uint32_t fence_reg;
+
+		if (obj_priv->fence_reg < 8)
+			fence_reg = FENCE_REG_830_0 + obj_priv->fence_reg * 4;
+		else
+			fence_reg = FENCE_REG_945_8 + (obj_priv->fence_reg -
+						       8) * 4;
+
+		I915_WRITE(fence_reg, 0);
+	}
 
 	dev_priv->fence_regs[obj_priv->fence_reg].obj = NULL;
 	obj_priv->fence_reg = I915_FENCE_REG_NONE;
@@ -2469,6 +2514,7 @@ i915_gem_execbuffer(struct drm_device *dev, void *data,
 	struct drm_i915_gem_exec_object *exec_list = NULL;
 	struct drm_gem_object **object_list = NULL;
 	struct drm_gem_object *batch_obj;
+	struct drm_i915_gem_object *obj_priv;
 	int ret, i, pinned = 0;
 	uint64_t exec_offset;
 	uint32_t seqno, flush_domains;
@@ -2533,6 +2579,15 @@ i915_gem_execbuffer(struct drm_device *dev, void *data,
 			ret = -EBADF;
 			goto err;
 		}
+
+		obj_priv = object_list[i]->driver_private;
+		if (obj_priv->in_execbuffer) {
+			DRM_ERROR("Object %p appears more than once in object list\n",
+				   object_list[i]);
+			ret = -EBADF;
+			goto err;
+		}
+		obj_priv->in_execbuffer = true;
 	}
 
 	/* Pin and relocate */
@@ -2674,8 +2729,13 @@ err:
 	for (i = 0; i < pinned; i++)
 		i915_gem_object_unpin(object_list[i]);
 
-	for (i = 0; i < args->buffer_count; i++)
+	for (i = 0; i < args->buffer_count; i++) {
+		if (object_list[i]) {
+			obj_priv = object_list[i]->driver_private;
+			obj_priv->in_execbuffer = false;
+		}
 		drm_gem_object_unreference(object_list[i]);
+	}
 
 	mutex_unlock(&dev->struct_mutex);
 
@@ -2712,17 +2772,24 @@ i915_gem_object_pin(struct drm_gem_object *obj, uint32_t alignment)
 		ret = i915_gem_object_bind_to_gtt(obj, alignment);
 		if (ret != 0) {
 			if (ret != -EBUSY && ret != -ERESTARTSYS)
-				DRM_ERROR("Failure to bind: %d", ret);
+				DRM_ERROR("Failure to bind: %d\n", ret);
+			return ret;
+		}
+	}
+	/*
+	 * Pre-965 chips need a fence register set up in order to
+	 * properly handle tiled surfaces.
+	 */
+	if (!IS_I965G(dev) &&
+	    obj_priv->fence_reg == I915_FENCE_REG_NONE &&
+	    obj_priv->tiling_mode != I915_TILING_NONE) {
+		ret = i915_gem_object_get_fence_reg(obj, true);
+		if (ret != 0) {
+			if (ret != -EBUSY && ret != -ERESTARTSYS)
+				DRM_ERROR("Failure to install fence: %d\n",
+					  ret);
 			return ret;
 		}
-		/*
-		 * Pre-965 chips need a fence register set up in order to
-		 * properly handle tiled surfaces.
-		 */
-		if (!IS_I965G(dev) &&
-		    obj_priv->fence_reg == I915_FENCE_REG_NONE &&
-		    obj_priv->tiling_mode != I915_TILING_NONE)
-			i915_gem_object_get_fence_reg(obj, true);
 	}
 	obj_priv->pin_count++;
 
diff --git a/drivers/gpu/drm/i915/i915_reg.h b/drivers/gpu/drm/i915/i915_reg.h
index 9d6539a868b..90600d89941 100644
--- a/drivers/gpu/drm/i915/i915_reg.h
+++ b/drivers/gpu/drm/i915/i915_reg.h
@@ -184,6 +184,7 @@
  * Fence registers
  */
 #define FENCE_REG_830_0			0x2000
+#define FENCE_REG_945_8			0x3000
 #define   I830_FENCE_START_MASK		0x07f80000
 #define   I830_FENCE_TILING_Y_SHIFT	12
 #define   I830_FENCE_SIZE_BITS(size)	((ffs((size) >> 19) - 1) << 8)
diff --git a/drivers/gpu/drm/i915/i915_suspend.c b/drivers/gpu/drm/i915/i915_suspend.c
index 5d84027ee8f..d669cc2b42c 100644
--- a/drivers/gpu/drm/i915/i915_suspend.c
+++ b/drivers/gpu/drm/i915/i915_suspend.c
@@ -119,11 +119,6 @@ static void i915_save_vga(struct drm_device *dev)
 
 	/* VGA color palette registers */
 	dev_priv->saveDACMASK = I915_READ8(VGA_DACMASK);
-	/* DACCRX automatically increments during read */
-	I915_WRITE8(VGA_DACRX, 0);
-	/* Read 3 bytes of color data from each index */
-	for (i = 0; i < 256 * 3; i++)
-		dev_priv->saveDACDATA[i] = I915_READ8(VGA_DACDATA);
 
 	/* MSR bits */
 	dev_priv->saveMSR = I915_READ8(VGA_MSR_READ);
@@ -225,12 +220,6 @@ static void i915_restore_vga(struct drm_device *dev)
 
 	/* VGA color palette registers */
 	I915_WRITE8(VGA_DACMASK, dev_priv->saveDACMASK);
-	/* DACCRX automatically increments during read */
-	I915_WRITE8(VGA_DACWX, 0);
-	/* Read 3 bytes of color data from each index */
-	for (i = 0; i < 256 * 3; i++)
-		I915_WRITE8(VGA_DACDATA, dev_priv->saveDACDATA[i]);
-
 }
 
 int i915_save_state(struct drm_device *dev)
diff --git a/drivers/hwmon/Kconfig b/drivers/hwmon/Kconfig
index b84bf066879..b4eea0292c1 100644
--- a/drivers/hwmon/Kconfig
+++ b/drivers/hwmon/Kconfig
@@ -543,8 +543,8 @@ config SENSORS_LM90
 	help
 	  If you say yes here you get support for National Semiconductor LM90,
 	  LM86, LM89 and LM99, Analog Devices ADM1032 and ADT7461, and Maxim
-	  MAX6646, MAX6647, MAX6649, MAX6657, MAX6658, MAX6659, MAX6680 and
-	  MAX6681 sensor chips.
+	  MAX6646, MAX6647, MAX6648, MAX6649, MAX6657, MAX6658, MAX6659,
+	  MAX6680, MAX6681 and MAX6692 sensor chips.
 
 	  This driver can also be built as a module.  If so, the module
 	  will be called lm90.
diff --git a/drivers/hwmon/abituguru3.c b/drivers/hwmon/abituguru3.c
index e52b38806d0..ad2b3431b72 100644
--- a/drivers/hwmon/abituguru3.c
+++ b/drivers/hwmon/abituguru3.c
@@ -760,8 +760,11 @@ static int abituguru3_read_increment_offset(struct abituguru3_data *data,
 
 	for (i = 0; i < offset_count; i++)
 		if ((x = abituguru3_read(data, bank, offset + i, count,
-				buf + i * count)) != count)
-			return i * count + (i && (x < 0)) ? 0 : x;
+				buf + i * count)) != count) {
+			if (x < 0)
+				return x;
+			return i * count + x;
+		}
 
 	return i * count;
 }
diff --git a/drivers/hwmon/f75375s.c b/drivers/hwmon/f75375s.c
index 1692de36996..18a1ba88816 100644
--- a/drivers/hwmon/f75375s.c
+++ b/drivers/hwmon/f75375s.c
@@ -617,7 +617,7 @@ static void f75375_init(struct i2c_client *client, struct f75375_data *data,
 static int f75375_probe(struct i2c_client *client,
 		const struct i2c_device_id *id)
 {
-	struct f75375_data *data = i2c_get_clientdata(client);
+	struct f75375_data *data;
 	struct f75375s_platform_data *f75375s_pdata = client->dev.platform_data;
 	int err;
 
diff --git a/drivers/hwmon/it87.c b/drivers/hwmon/it87.c
index 95a99c590da..9157247fed8 100644
--- a/drivers/hwmon/it87.c
+++ b/drivers/hwmon/it87.c
@@ -213,7 +213,7 @@ static inline u16 FAN16_TO_REG(long rpm)
 
 #define TEMP_TO_REG(val) (SENSORS_LIMIT(((val)<0?(((val)-500)/1000):\
 					((val)+500)/1000),-128,127))
-#define TEMP_FROM_REG(val) (((val)>0x80?(val)-0x100:(val))*1000)
+#define TEMP_FROM_REG(val) ((val) * 1000)
 
 #define PWM_TO_REG(val)   ((val) >> 1)
 #define PWM_FROM_REG(val) (((val)&0x7f) << 1)
@@ -267,9 +267,9 @@ struct it87_data {
 	u8 has_fan;		/* Bitfield, fans enabled */
 	u16 fan[5];		/* Register values, possibly combined */
 	u16 fan_min[5];		/* Register values, possibly combined */
-	u8 temp[3];		/* Register value */
-	u8 temp_high[3];	/* Register value */
-	u8 temp_low[3];		/* Register value */
+	s8 temp[3];		/* Register value */
+	s8 temp_high[3];	/* Register value */
+	s8 temp_low[3];		/* Register value */
 	u8 sensor;		/* Register value */
 	u8 fan_div[3];		/* Register encoding, shifted right */
 	u8 vid;			/* Register encoding, combined */
diff --git a/drivers/hwmon/lm85.c b/drivers/hwmon/lm85.c
index cfc1ee90f5a..b251d8674b4 100644
--- a/drivers/hwmon/lm85.c
+++ b/drivers/hwmon/lm85.c
@@ -72,6 +72,7 @@ I2C_CLIENT_INSMOD_7(lm85b, lm85c, adm1027, adt7463, adt7468, emc6d100,
 #define	LM85_COMPANY_SMSC		0x5c
 #define	LM85_VERSTEP_VMASK              0xf0
 #define	LM85_VERSTEP_GENERIC		0x60
+#define	LM85_VERSTEP_GENERIC2		0x70
 #define	LM85_VERSTEP_LM85C		0x60
 #define	LM85_VERSTEP_LM85B		0x62
 #define	LM85_VERSTEP_ADM1027		0x60
@@ -334,6 +335,7 @@ static struct lm85_data *lm85_update_device(struct device *dev);
 static const struct i2c_device_id lm85_id[] = {
 	{ "adm1027", adm1027 },
 	{ "adt7463", adt7463 },
+	{ "adt7468", adt7468 },
 	{ "lm85", any_chip },
 	{ "lm85b", lm85b },
 	{ "lm85c", lm85c },
@@ -408,7 +410,8 @@ static ssize_t show_vid_reg(struct device *dev, struct device_attribute *attr,
 	struct lm85_data *data = lm85_update_device(dev);
 	int vid;
 
-	if (data->type == adt7463 && (data->vid & 0x80)) {
+	if ((data->type == adt7463 || data->type == adt7468) &&
+	    (data->vid & 0x80)) {
 		/* 6-pin VID (VRM 10) */
 		vid = vid_from_reg(data->vid & 0x3f, data->vrm);
 	} else {
@@ -1153,7 +1156,8 @@ static int lm85_detect(struct i2c_client *client, int kind,
 			address, company, verstep);
 
 		/* All supported chips have the version in common */
-		if ((verstep & LM85_VERSTEP_VMASK) != LM85_VERSTEP_GENERIC) {
+		if ((verstep & LM85_VERSTEP_VMASK) != LM85_VERSTEP_GENERIC &&
+		    (verstep & LM85_VERSTEP_VMASK) != LM85_VERSTEP_GENERIC2) {
 			dev_dbg(&adapter->dev, "Autodetection failed: "
 				"unsupported version\n");
 			return -ENODEV;
diff --git a/drivers/hwmon/lm90.c b/drivers/hwmon/lm90.c
index 96a70186672..1aff7575799 100644
--- a/drivers/hwmon/lm90.c
+++ b/drivers/hwmon/lm90.c
@@ -32,10 +32,10 @@
  * supported by this driver. These chips lack the remote temperature
  * offset feature.
  *
- * This driver also supports the MAX6646, MAX6647 and MAX6649 chips
- * made by Maxim.  These are again similar to the LM86, but they use
- * unsigned temperature values and can report temperatures from 0 to
- * 145 degrees.
+ * This driver also supports the MAX6646, MAX6647, MAX6648, MAX6649 and
+ * MAX6692 chips made by Maxim.  These are again similar to the LM86,
+ * but they use unsigned temperature values and can report temperatures
+ * from 0 to 145 degrees.
  *
  * This driver also supports the MAX6680 and MAX6681, two other sensor
  * chips made by Maxim. These are quite similar to the other Maxim
diff --git a/drivers/infiniband/hw/nes/nes_cm.c b/drivers/infiniband/hw/nes/nes_cm.c
index a01b4488208..4a65b96db2c 100644
--- a/drivers/infiniband/hw/nes/nes_cm.c
+++ b/drivers/infiniband/hw/nes/nes_cm.c
@@ -2490,12 +2490,14 @@ static int nes_disconnect(struct nes_qp *nesqp, int abrupt)
 	int ret = 0;
 	struct nes_vnic *nesvnic;
 	struct nes_device *nesdev;
+	struct nes_ib_device *nesibdev;
 
 	nesvnic = to_nesvnic(nesqp->ibqp.device);
 	if (!nesvnic)
 		return -EINVAL;
 
 	nesdev = nesvnic->nesdev;
+	nesibdev = nesvnic->nesibdev;
 
 	nes_debug(NES_DBG_CM, "netdev refcnt = %u.\n",
 			atomic_read(&nesvnic->netdev->refcnt));
@@ -2507,6 +2509,8 @@ static int nes_disconnect(struct nes_qp *nesqp, int abrupt)
 	} else {
 		/* Need to free the Last Streaming Mode Message */
 		if (nesqp->ietf_frame) {
+			if (nesqp->lsmm_mr)
+				nesibdev->ibdev.dereg_mr(nesqp->lsmm_mr);
 			pci_free_consistent(nesdev->pcidev,
 					nesqp->private_data_len+sizeof(struct ietf_mpa_frame),
 					nesqp->ietf_frame, nesqp->ietf_frame_pbase);
@@ -2543,6 +2547,12 @@ int nes_accept(struct iw_cm_id *cm_id, struct iw_cm_conn_param *conn_param)
 	u32 crc_value;
 	int ret;
 	int passive_state;
+	struct nes_ib_device *nesibdev;
+	struct ib_mr *ibmr = NULL;
+	struct ib_phys_buf ibphysbuf;
+	struct nes_pd *nespd;
+
+
 
 	ibqp = nes_get_qp(cm_id->device, conn_param->qpn);
 	if (!ibqp)
@@ -2601,6 +2611,26 @@ int nes_accept(struct iw_cm_id *cm_id, struct iw_cm_conn_param *conn_param)
 	if (cm_id->remote_addr.sin_addr.s_addr !=
 			cm_id->local_addr.sin_addr.s_addr) {
 		u64temp = (unsigned long)nesqp;
+		nesibdev = nesvnic->nesibdev;
+		nespd = nesqp->nespd;
+		ibphysbuf.addr = nesqp->ietf_frame_pbase;
+		ibphysbuf.size = conn_param->private_data_len +
+					sizeof(struct ietf_mpa_frame);
+		ibmr = nesibdev->ibdev.reg_phys_mr((struct ib_pd *)nespd,
+						&ibphysbuf, 1,
+						IB_ACCESS_LOCAL_WRITE,
+						(u64 *)&nesqp->ietf_frame);
+		if (!ibmr) {
+			nes_debug(NES_DBG_CM, "Unable to register memory region"
+					"for lSMM for cm_node = %p \n",
+					cm_node);
+			return -ENOMEM;
+		}
+
+		ibmr->pd = &nespd->ibpd;
+		ibmr->device = nespd->ibpd.device;
+		nesqp->lsmm_mr = ibmr;
+
 		u64temp |= NES_SW_CONTEXT_ALIGN>>1;
 		set_wqe_64bit_value(wqe->wqe_words,
 			NES_IWARP_SQ_WQE_COMP_CTX_LOW_IDX,
@@ -2611,14 +2641,13 @@ int nes_accept(struct iw_cm_id *cm_id, struct iw_cm_conn_param *conn_param)
 		wqe->wqe_words[NES_IWARP_SQ_WQE_TOTAL_PAYLOAD_IDX] =
 			cpu_to_le32(conn_param->private_data_len +
 			sizeof(struct ietf_mpa_frame));
-		wqe->wqe_words[NES_IWARP_SQ_WQE_FRAG0_LOW_IDX] =
-			cpu_to_le32((u32)nesqp->ietf_frame_pbase);
-		wqe->wqe_words[NES_IWARP_SQ_WQE_FRAG0_HIGH_IDX] =
-			cpu_to_le32((u32)((u64)nesqp->ietf_frame_pbase >> 32));
+		set_wqe_64bit_value(wqe->wqe_words,
+					NES_IWARP_SQ_WQE_FRAG0_LOW_IDX,
+					(u64)nesqp->ietf_frame);
 		wqe->wqe_words[NES_IWARP_SQ_WQE_LENGTH0_IDX] =
 			cpu_to_le32(conn_param->private_data_len +
 			sizeof(struct ietf_mpa_frame));
-		wqe->wqe_words[NES_IWARP_SQ_WQE_STAG0_IDX] = 0;
+		wqe->wqe_words[NES_IWARP_SQ_WQE_STAG0_IDX] = ibmr->lkey;
 
 		nesqp->nesqp_context->ird_ord_sizes |=
 			cpu_to_le32(NES_QPCONTEXT_ORDIRD_LSMM_PRESENT |
diff --git a/drivers/infiniband/hw/nes/nes_verbs.c b/drivers/infiniband/hw/nes/nes_verbs.c
index 4fdb72454f9..d93a6562817 100644
--- a/drivers/infiniband/hw/nes/nes_verbs.c
+++ b/drivers/infiniband/hw/nes/nes_verbs.c
@@ -1360,8 +1360,10 @@ static struct ib_qp *nes_create_qp(struct ib_pd *ibpd,
 					NES_QPCONTEXT_MISC_RQ_SIZE_SHIFT);
 			nesqp->nesqp_context->misc |= cpu_to_le32((u32)nesqp->hwqp.sq_encoded_size <<
 					NES_QPCONTEXT_MISC_SQ_SIZE_SHIFT);
+			if (!udata) {
 				nesqp->nesqp_context->misc |= cpu_to_le32(NES_QPCONTEXT_MISC_PRIV_EN);
 				nesqp->nesqp_context->misc |= cpu_to_le32(NES_QPCONTEXT_MISC_FAST_REGISTER_EN);
+			}
 			nesqp->nesqp_context->cqs = cpu_to_le32(nesqp->nesscq->hw_cq.cq_number +
 					((u32)nesqp->nesrcq->hw_cq.cq_number << 16));
 			u64temp = (u64)nesqp->hwqp.sq_pbase;
diff --git a/drivers/infiniband/hw/nes/nes_verbs.h b/drivers/infiniband/hw/nes/nes_verbs.h
index 6c6b4da5184..ae0ca9bc83b 100644
--- a/drivers/infiniband/hw/nes/nes_verbs.h
+++ b/drivers/infiniband/hw/nes/nes_verbs.h
@@ -134,6 +134,7 @@ struct nes_qp {
 	struct ietf_mpa_frame *ietf_frame;
 	dma_addr_t            ietf_frame_pbase;
 	wait_queue_head_t     state_waitq;
+	struct ib_mr          *lsmm_mr;
 	unsigned long         socket;
 	struct nes_hw_qp      hwqp;
 	struct work_struct    work;
diff --git a/drivers/md/md.c b/drivers/md/md.c
index 03b4cd0a634..a307f87eb90 100644
--- a/drivers/md/md.c
+++ b/drivers/md/md.c
@@ -214,12 +214,7 @@ static inline mddev_t *mddev_get(mddev_t *mddev)
 	return mddev;
 }
 
-static void mddev_delayed_delete(struct work_struct *ws)
-{
-	mddev_t *mddev = container_of(ws, mddev_t, del_work);
-	kobject_del(&mddev->kobj);
-	kobject_put(&mddev->kobj);
-}
+static void mddev_delayed_delete(struct work_struct *ws);
 
 static void mddev_put(mddev_t *mddev)
 {
@@ -3542,6 +3537,21 @@ static struct kobj_type md_ktype = {
 
 int mdp_major = 0;
 
+static void mddev_delayed_delete(struct work_struct *ws)
+{
+	mddev_t *mddev = container_of(ws, mddev_t, del_work);
+
+	if (mddev->private == &md_redundancy_group) {
+		sysfs_remove_group(&mddev->kobj, &md_redundancy_group);
+		if (mddev->sysfs_action)
+			sysfs_put(mddev->sysfs_action);
+		mddev->sysfs_action = NULL;
+		mddev->private = NULL;
+	}
+	kobject_del(&mddev->kobj);
+	kobject_put(&mddev->kobj);
+}
+
 static int md_alloc(dev_t dev, char *name)
 {
 	static DEFINE_MUTEX(disks_mutex);
@@ -4033,13 +4043,9 @@ static int do_md_stop(mddev_t * mddev, int mode, int is_open)
 			mddev->queue->merge_bvec_fn = NULL;
 			mddev->queue->unplug_fn = NULL;
 			mddev->queue->backing_dev_info.congested_fn = NULL;
-			if (mddev->pers->sync_request) {
-				sysfs_remove_group(&mddev->kobj, &md_redundancy_group);
-				if (mddev->sysfs_action)
-					sysfs_put(mddev->sysfs_action);
-				mddev->sysfs_action = NULL;
-			}
 			module_put(mddev->pers->owner);
+			if (mddev->pers->sync_request)
+				mddev->private = &md_redundancy_group;
 			mddev->pers = NULL;
 			/* tell userspace to handle 'inactive' */
 			sysfs_notify_dirent(mddev->sysfs_state);
diff --git a/drivers/mfd/wm8350-core.c b/drivers/mfd/wm8350-core.c
index 84d5ea1ec17..b457a05b28d 100644
--- a/drivers/mfd/wm8350-core.c
+++ b/drivers/mfd/wm8350-core.c
@@ -1383,6 +1383,11 @@ int wm8350_device_init(struct wm8350 *wm8350, int irq,
 			wm8350->power.rev_g_coeff = 1;
 			break;
 
+		case 1:
+			dev_info(wm8350->dev, "WM8351 Rev B\n");
+			wm8350->power.rev_g_coeff = 1;
+			break;
+
 		default:
 			dev_err(wm8350->dev, "Unknown WM8351 CHIP_REV\n");
 			ret = -ENODEV;
diff --git a/drivers/mmc/host/s3cmci.c b/drivers/mmc/host/s3cmci.c
index f4a67c65d30..2db166b7096 100644
--- a/drivers/mmc/host/s3cmci.c
+++ b/drivers/mmc/host/s3cmci.c
@@ -793,8 +793,7 @@ static void s3cmci_dma_setup(struct s3cmci_host *host,
 			      host->mem->start + host->sdidata);
 
 	if (!setup_ok) {
-		s3c2410_dma_config(host->dma, 4,
-			(S3C2410_DCON_HWTRIG | S3C2410_DCON_CH0_SDI));
+		s3c2410_dma_config(host->dma, 4, 0);
 		s3c2410_dma_set_buffdone_fn(host->dma,
 					    s3cmci_dma_done_callback);
 		s3c2410_dma_setflags(host->dma, S3C2410_DMAF_AUTOSTART);
diff --git a/drivers/mtd/devices/mtd_dataflash.c b/drivers/mtd/devices/mtd_dataflash.c
index d44f741ae22..6d9f810565c 100644
--- a/drivers/mtd/devices/mtd_dataflash.c
+++ b/drivers/mtd/devices/mtd_dataflash.c
@@ -821,7 +821,8 @@ static struct flash_info *__devinit jedec_probe(struct spi_device *spi)
 					if (!(info->flags & IS_POW2PS))
 						return info;
 				}
-			}
+			} else
+				return info;
 		}
 	}
 
diff --git a/drivers/mtd/maps/physmap.c b/drivers/mtd/maps/physmap.c
index 4b122e7ab4b..229718222db 100644
--- a/drivers/mtd/maps/physmap.c
+++ b/drivers/mtd/maps/physmap.c
@@ -46,16 +46,19 @@ static int physmap_flash_remove(struct platform_device *dev)
 
 	physmap_data = dev->dev.platform_data;
 
+	if (info->cmtd) {
 #ifdef CONFIG_MTD_PARTITIONS
-	if (info->nr_parts) {
-		del_mtd_partitions(info->cmtd);
-		kfree(info->parts);
-	} else if (physmap_data->nr_parts)
-		del_mtd_partitions(info->cmtd);
-	else
-		del_mtd_device(info->cmtd);
+		if (info->nr_parts || physmap_data->nr_parts)
+			del_mtd_partitions(info->cmtd);
+		else
+			del_mtd_device(info->cmtd);
 #else
-	del_mtd_device(info->cmtd);
+		del_mtd_device(info->cmtd);
+#endif
+	}
+#ifdef CONFIG_MTD_PARTITIONS
+	if (info->nr_parts)
+		kfree(info->parts);
 #endif
 
 #ifdef CONFIG_MTD_CONCAT
diff --git a/drivers/net/sunhme.c b/drivers/net/sunhme.c
index d4fb4acdbeb..4e9bd380a5c 100644
--- a/drivers/net/sunhme.c
+++ b/drivers/net/sunhme.c
@@ -2649,8 +2649,6 @@ static int __devinit happy_meal_sbus_probe_one(struct of_device *op, int is_qfe)
 	int err = -ENODEV;
 
 	sbus_dp = to_of_device(op->dev.parent)->node;
-	if (is_qfe)
-		sbus_dp = to_of_device(op->dev.parent->parent)->node;
 
 	/* We can match PCI devices too, do not accept those here. */
 	if (strcmp(sbus_dp->name, "sbus"))
diff --git a/drivers/pci/hotplug/Kconfig b/drivers/pci/hotplug/Kconfig
index eacfb13998b..9aa4fe100a0 100644
--- a/drivers/pci/hotplug/Kconfig
+++ b/drivers/pci/hotplug/Kconfig
@@ -143,7 +143,7 @@ config HOTPLUG_PCI_SHPC
 
 config HOTPLUG_PCI_RPA
 	tristate "RPA PCI Hotplug driver"
-	depends on PPC_PSERIES && PPC64 && !HOTPLUG_PCI_FAKE
+	depends on PPC_PSERIES && EEH && !HOTPLUG_PCI_FAKE
 	help
 	  Say Y here if you have a RPA system that supports PCI Hotplug.
 
diff --git a/drivers/pci/pcie/aer/aerdrv_core.c b/drivers/pci/pcie/aer/aerdrv_core.c
index d0c97368586..38257500738 100644
--- a/drivers/pci/pcie/aer/aerdrv_core.c
+++ b/drivers/pci/pcie/aer/aerdrv_core.c
@@ -133,6 +133,9 @@ static void set_downstream_devices_error_reporting(struct pci_dev *dev,
 						   bool enable)
 {
 	set_device_error_reporting(dev, &enable);
+
+	if (!dev->subordinate)
+		return;
 	pci_walk_bus(dev->subordinate, set_device_error_reporting, &enable);
 }
 
diff --git a/drivers/pci/pcie/portdrv_pci.c b/drivers/pci/pcie/portdrv_pci.c
index 248b4db9155..5ea566e20b3 100644
--- a/drivers/pci/pcie/portdrv_pci.c
+++ b/drivers/pci/pcie/portdrv_pci.c
@@ -103,6 +103,7 @@ static int __devinit pcie_portdrv_probe (struct pci_dev *dev,
 static void pcie_portdrv_remove (struct pci_dev *dev)
 {
 	pcie_port_device_remove(dev);
+	pci_disable_device(dev);
 	kfree(pci_get_drvdata(dev));
 }
 
diff --git a/drivers/pci/quirks.c b/drivers/pci/quirks.c
index f20d55368ed..92b9efe9bca 100644
--- a/drivers/pci/quirks.c
+++ b/drivers/pci/quirks.c
@@ -23,6 +23,7 @@
 #include <linux/acpi.h>
 #include <linux/kallsyms.h>
 #include <linux/dmi.h>
+#include <linux/pci-aspm.h>
 #include "pci.h"
 
 int isa_dma_bridge_buggy;
@@ -1749,6 +1750,30 @@ static void __devinit quirk_e100_interrupt(struct pci_dev *dev)
 }
 DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_INTEL, PCI_ANY_ID, quirk_e100_interrupt);
 
+/*
+ * The 82575 and 82598 may experience data corruption issues when transitioning
+ * out of L0S.  To prevent this we need to disable L0S on the pci-e link
+ */
+static void __devinit quirk_disable_aspm_l0s(struct pci_dev *dev)
+{
+	dev_info(&dev->dev, "Disabling L0s\n");
+	pci_disable_link_state(dev, PCIE_LINK_STATE_L0S);
+}
+DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_INTEL, 0x10a7, quirk_disable_aspm_l0s);
+DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_INTEL, 0x10a9, quirk_disable_aspm_l0s);
+DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_INTEL, 0x10b6, quirk_disable_aspm_l0s);
+DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_INTEL, 0x10c6, quirk_disable_aspm_l0s);
+DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_INTEL, 0x10c7, quirk_disable_aspm_l0s);
+DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_INTEL, 0x10c8, quirk_disable_aspm_l0s);
+DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_INTEL, 0x10d6, quirk_disable_aspm_l0s);
+DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_INTEL, 0x10db, quirk_disable_aspm_l0s);
+DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_INTEL, 0x10dd, quirk_disable_aspm_l0s);
+DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_INTEL, 0x10e1, quirk_disable_aspm_l0s);
+DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_INTEL, 0x10ec, quirk_disable_aspm_l0s);
+DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_INTEL, 0x10f1, quirk_disable_aspm_l0s);
+DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_INTEL, 0x10f4, quirk_disable_aspm_l0s);
+DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_INTEL, 0x1508, quirk_disable_aspm_l0s);
+
 static void __devinit fixup_rev1_53c810(struct pci_dev* dev)
 {
 	/* rev 1 ncr53c810 chips don't set the class at all which means
@@ -2097,7 +2122,7 @@ static void __devinit ht_disable_msi_mapping(struct pci_dev *dev)
 
 		if (pci_read_config_byte(dev, pos + HT_MSI_FLAGS,
 					 &flags) == 0) {
-			dev_info(&dev->dev, "Enabling HT MSI Mapping\n");
+			dev_info(&dev->dev, "Disabling HT MSI Mapping\n");
 
 			pci_write_config_byte(dev, pos + HT_MSI_FLAGS,
 					      flags & ~HT_MSI_FLAGS_ENABLE);
@@ -2141,6 +2166,10 @@ static void __devinit nv_msi_ht_cap_quirk(struct pci_dev *dev)
 	int pos;
 	int found;
 
+	/* Enabling HT MSI mapping on this device breaks MCP51 */
+	if (dev->device == 0x270)
+		return;
+
 	/* check if there is HT MSI cap or enabled on this device */
 	found = ht_check_msi_mapping(dev);
 
diff --git a/drivers/platform/x86/acer-wmi.c b/drivers/platform/x86/acer-wmi.c
index 94c9f911824..6bcca616a70 100644
--- a/drivers/platform/x86/acer-wmi.c
+++ b/drivers/platform/x86/acer-wmi.c
@@ -1297,7 +1297,7 @@ static int __init acer_wmi_init(void)
 
 	set_quirks();
 
-	if (!acpi_video_backlight_support() && has_cap(ACER_CAP_BRIGHTNESS)) {
+	if (acpi_video_backlight_support() && has_cap(ACER_CAP_BRIGHTNESS)) {
 		interface->capability &= ~ACER_CAP_BRIGHTNESS;
 		printk(ACER_INFO "Brightness must be controlled by "
 		       "generic video driver\n");
diff --git a/drivers/power/ds2760_battery.c b/drivers/power/ds2760_battery.c
index 1d768928e0b..a52d4a11652 100644
--- a/drivers/power/ds2760_battery.c
+++ b/drivers/power/ds2760_battery.c
@@ -180,10 +180,13 @@ static int ds2760_battery_read_status(struct ds2760_device_info *di)
 	di->empty_uAh = battery_interpolate(scale, di->temp_C / 10);
 	di->empty_uAh *= 1000; /* convert to µAh */
 
-	/* From Maxim Application Note 131: remaining capacity =
-	 * ((ICA - Empty Value) / (Full Value - Empty Value)) x 100% */
-	di->rem_capacity = ((di->accum_current_uAh - di->empty_uAh) * 100L) /
-			    (di->full_active_uAh - di->empty_uAh);
+	if (di->full_active_uAh == di->empty_uAh)
+		di->rem_capacity = 0;
+	else
+		/* From Maxim Application Note 131: remaining capacity =
+		 * ((ICA - Empty Value) / (Full Value - Empty Value)) x 100% */
+		di->rem_capacity = ((di->accum_current_uAh - di->empty_uAh) * 100L) /
+				    (di->full_active_uAh - di->empty_uAh);
 
 	if (di->rem_capacity < 0)
 		di->rem_capacity = 0;
diff --git a/drivers/sbus/char/bbc_i2c.c b/drivers/sbus/char/bbc_i2c.c
index f08e169ba1b..7e30e5f6e03 100644
--- a/drivers/sbus/char/bbc_i2c.c
+++ b/drivers/sbus/char/bbc_i2c.c
@@ -129,7 +129,7 @@ static int wait_for_pin(struct bbc_i2c_bus *bp, u8 *status)
 	bp->waiting = 1;
 	add_wait_queue(&bp->wq, &wait);
 	while (limit-- > 0) {
-		unsigned long val;
+		long val;
 
 		val = wait_event_interruptible_timeout(
 				bp->wq,
diff --git a/drivers/sbus/char/jsflash.c b/drivers/sbus/char/jsflash.c
index a9a9893a5f9..e6d1fc8c54f 100644
--- a/drivers/sbus/char/jsflash.c
+++ b/drivers/sbus/char/jsflash.c
@@ -38,9 +38,6 @@
 #include <linux/string.h>
 #include <linux/genhd.h>
 #include <linux/blkdev.h>
-
-#define MAJOR_NR	JSFD_MAJOR
-
 #include <asm/uaccess.h>
 #include <asm/pgtable.h>
 #include <asm/io.h>
diff --git a/drivers/video/aty/aty128fb.c b/drivers/video/aty/aty128fb.c
index 2181ce4d7eb..35e8eb02b9e 100644
--- a/drivers/video/aty/aty128fb.c
+++ b/drivers/video/aty/aty128fb.c
@@ -1853,13 +1853,14 @@ static void aty128_bl_exit(struct backlight_device *bd)
  *  Initialisation
  */
 
-#ifdef CONFIG_PPC_PMAC
+#ifdef CONFIG_PPC_PMAC__disabled
 static void aty128_early_resume(void *data)
 {
         struct aty128fb_par *par = data;
 
 	if (try_acquire_console_sem())
 		return;
+	pci_restore_state(par->pdev);
 	aty128_do_resume(par->pdev);
 	release_console_sem();
 }
@@ -1907,7 +1908,14 @@ static int __devinit aty128_init(struct pci_dev *pdev, const struct pci_device_i
 		/* Indicate sleep capability */
 		if (par->chip_gen == rage_M3) {
 			pmac_call_feature(PMAC_FTR_DEVICE_CAN_WAKE, NULL, 0, 1);
+#if 0 /* Disable the early video resume hack for now as it's causing problems, among
+       * others we now rely on the PCI core restoring the config space for us, which
+       * isn't the case with that hack, and that code path causes various things to
+       * be called with interrupts off while they shouldn't. I'm leaving the code in
+       * as it can be useful for debugging purposes
+       */
 			pmac_set_early_video_resume(aty128_early_resume, par);
+#endif
 		}
 
 		/* Find default mode */
diff --git a/drivers/video/aty/radeon_pm.c b/drivers/video/aty/radeon_pm.c
index ca5f0dc2854..81603f85e17 100644
--- a/drivers/video/aty/radeon_pm.c
+++ b/drivers/video/aty/radeon_pm.c
@@ -2762,12 +2762,13 @@ int radeonfb_pci_resume(struct pci_dev *pdev)
 	return rc;
 }
 
-#ifdef CONFIG_PPC_OF
+#ifdef CONFIG_PPC_OF__disabled
 static void radeonfb_early_resume(void *data)
 {
         struct radeonfb_info *rinfo = data;
 
 	rinfo->no_schedule = 1;
+	pci_restore_state(rinfo->pdev);
 	radeonfb_pci_resume(rinfo->pdev);
 	rinfo->no_schedule = 0;
 }
@@ -2834,7 +2835,14 @@ void radeonfb_pm_init(struct radeonfb_info *rinfo, int dynclk, int ignore_devlis
 		 */
 		if (rinfo->pm_mode != radeon_pm_none) {
 			pmac_call_feature(PMAC_FTR_DEVICE_CAN_WAKE, rinfo->of_node, 0, 1);
+#if 0 /* Disable the early video resume hack for now as it's causing problems, among
+       * others we now rely on the PCI core restoring the config space for us, which
+       * isn't the case with that hack, and that code path causes various things to
+       * be called with interrupts off while they shouldn't. I'm leaving the code in
+       * as it can be useful for debugging purposes
+       */
 			pmac_set_early_video_resume(radeonfb_early_resume, rinfo);
+#endif
 		}
 
 #if 0
diff --git a/drivers/video/i810/i810_main.c b/drivers/video/i810/i810_main.c
index a24e680d2b9..2e940199fc8 100644
--- a/drivers/video/i810/i810_main.c
+++ b/drivers/video/i810/i810_main.c
@@ -993,6 +993,7 @@ static int i810_check_params(struct fb_var_screeninfo *var,
 	struct i810fb_par *par = info->par;
 	int line_length, vidmem, mode_valid = 0, retval = 0;
 	u32 vyres = var->yres_virtual, vxres = var->xres_virtual;
+
 	/*
 	 *  Memory limit
 	 */
@@ -1002,12 +1003,12 @@ static int i810_check_params(struct fb_var_screeninfo *var,
 	if (vidmem > par->fb.size) {
 		vyres = par->fb.size/line_length;
 		if (vyres < var->yres) {
-			vyres = yres;
+			vyres = info->var.yres;
 			vxres = par->fb.size/vyres;
 			vxres /= var->bits_per_pixel >> 3;
 			line_length = get_line_length(par, vxres, 
 						      var->bits_per_pixel);
-			vidmem = line_length * yres;
+			vidmem = line_length * info->var.yres;
 			if (vxres < var->xres) {
 				printk("i810fb: required video memory, "
 				       "%d bytes, for %dx%d-%d (virtual) "
diff --git a/drivers/video/sh_mobile_lcdcfb.c b/drivers/video/sh_mobile_lcdcfb.c
index 0e2b8fd24df..2c5d069e5f0 100644
--- a/drivers/video/sh_mobile_lcdcfb.c
+++ b/drivers/video/sh_mobile_lcdcfb.c
@@ -446,7 +446,6 @@ static void sh_mobile_lcdc_stop(struct sh_mobile_lcdc_priv *priv)
 {
 	struct sh_mobile_lcdc_chan *ch;
 	struct sh_mobile_lcdc_board_cfg	*board_cfg;
-	unsigned long tmp;
 	int k;
 
 	/* tell the board code to disable the panel */
@@ -456,9 +455,8 @@ static void sh_mobile_lcdc_stop(struct sh_mobile_lcdc_priv *priv)
 		if (board_cfg->display_off)
 			board_cfg->display_off(board_cfg->board_data);
 
-		/* cleanup deferred io if SYS bus */
-		tmp = ch->cfg.sys_bus_cfg.deferred_io_msec;
-		if (ch->ldmt1r_value & (1 << 12) && tmp) {
+		/* cleanup deferred io if enabled */
+		if (ch->info.fbdefio) {
 			fb_deferred_io_cleanup(&ch->info);
 			ch->info.fbdefio = NULL;
 		}
diff --git a/drivers/w1/masters/w1-gpio.c b/drivers/w1/masters/w1-gpio.c
index 9e1138a75e8..a411702413d 100644
--- a/drivers/w1/masters/w1-gpio.c
+++ b/drivers/w1/masters/w1-gpio.c
@@ -39,7 +39,7 @@ static u8 w1_gpio_read_bit(void *data)
 {
 	struct w1_gpio_platform_data *pdata = data;
 
-	return gpio_get_value(pdata->pin);
+	return gpio_get_value(pdata->pin) ? 1 : 0;
 }
 
 static int __init w1_gpio_probe(struct platform_device *pdev)