Merge branch 'from-linus' into upstream

38 files changed, 584 insertions, 362 deletions

diff --git a/drivers/block/floppy.c b/drivers/block/floppy.c
index 5109fa37c66..ad1d7065a1b 100644
--- a/drivers/block/floppy.c
+++ b/drivers/block/floppy.c
@@ -4177,6 +4177,11 @@ static int __init floppy_init(void)
 	int i, unit, drive;
 	int err, dr;
 
+#if defined(CONFIG_PPC_MERGE)
+	if (check_legacy_ioport(FDC1))
+		return -ENODEV;
+#endif
+
 	raw_cmd = NULL;
 
 	for (dr = 0; dr < N_DRIVE; dr++) {
@@ -4234,13 +4239,6 @@ static int __init floppy_init(void)
 	}
 
 	use_virtual_dma = can_use_virtual_dma & 1;
-#if defined(CONFIG_PPC_MERGE)
-	if (check_legacy_ioport(FDC1)) {
-		del_timer(&fd_timeout);
-		err = -ENODEV;
-		goto out_unreg_region;
-	}
-#endif
 	fdc_state[0].address = FDC1;
 	if (fdc_state[0].address == -1) {
 		del_timer(&fd_timeout);
diff --git a/drivers/char/drm/radeon_state.c b/drivers/char/drm/radeon_state.c
index 5bb2234a909..39a7f685e3f 100644
--- a/drivers/char/drm/radeon_state.c
+++ b/drivers/char/drm/radeon_state.c
@@ -175,6 +175,14 @@ static __inline__ int radeon_check_and_fixup_packets(drm_radeon_private_t *
 		}
 		break;
 
+	case R200_EMIT_VAP_CTL:{
+			RING_LOCALS;
+			BEGIN_RING(2);
+			OUT_RING_REG(RADEON_SE_TCL_STATE_FLUSH, 0);
+			ADVANCE_RING();
+		}
+		break;
+
 	case RADEON_EMIT_RB3D_COLORPITCH:
 	case RADEON_EMIT_RE_LINE_PATTERN:
 	case RADEON_EMIT_SE_LINE_WIDTH:
@@ -202,7 +210,6 @@ static __inline__ int radeon_check_and_fixup_packets(drm_radeon_private_t *
 	case R200_EMIT_TCL_LIGHT_MODEL_CTL_0:
 	case R200_EMIT_TFACTOR_0:
 	case R200_EMIT_VTX_FMT_0:
-	case R200_EMIT_VAP_CTL:
 	case R200_EMIT_MATRIX_SELECT_0:
 	case R200_EMIT_TEX_PROC_CTL_2:
 	case R200_EMIT_TCL_UCP_VERT_BLEND_CTL:
diff --git a/drivers/char/ipmi/ipmi_msghandler.c b/drivers/char/ipmi/ipmi_msghandler.c
index 0aa5d608fe6..843d34c8627 100644
--- a/drivers/char/ipmi/ipmi_msghandler.c
+++ b/drivers/char/ipmi/ipmi_msghandler.c
@@ -3428,6 +3428,7 @@ struct ipmi_recv_msg *ipmi_alloc_recv_msg(void)
 
 	rv = kmalloc(sizeof(struct ipmi_recv_msg), GFP_ATOMIC);
 	if (rv) {
+		rv->user = NULL;
 		rv->done = free_recv_msg;
 		atomic_inc(&recv_msg_inuse_count);
 	}
diff --git a/drivers/char/synclink_gt.c b/drivers/char/synclink_gt.c
index b2dbbdb1bf8..2f07b085536 100644
--- a/drivers/char/synclink_gt.c
+++ b/drivers/char/synclink_gt.c
@@ -391,8 +391,8 @@ static MGSL_PARAMS default_params = {
 #define DESC_LIST_SIZE 4096
 
 #define MASK_PARITY  BIT1
-#define MASK_FRAMING BIT2
-#define MASK_BREAK   BIT3
+#define MASK_FRAMING BIT0
+#define MASK_BREAK   BIT14
 #define MASK_OVERRUN BIT4
 
 #define GSR   0x00 /* global status */
@@ -1800,17 +1800,17 @@ static void rx_async(struct slgt_info *info)
 
 			stat = 0;
 
-			if ((status = *(p+1) & (BIT9 + BIT8))) {
-				if (status & BIT9)
+			if ((status = *(p+1) & (BIT1 + BIT0))) {
+				if (status & BIT1)
 					icount->parity++;
-				else if (status & BIT8)
+				else if (status & BIT0)
 					icount->frame++;
 				/* discard char if tty control flags say so */
 				if (status & info->ignore_status_mask)
 					continue;
-				if (status & BIT9)
+				if (status & BIT1)
 					stat = TTY_PARITY;
-				else if (status & BIT8)
+				else if (status & BIT0)
 					stat = TTY_FRAME;
 			}
 			if (tty) {
diff --git a/drivers/char/watchdog/sbc8360.c b/drivers/char/watchdog/sbc8360.c
index 1035be5b501..41fc6f80c49 100644
--- a/drivers/char/watchdog/sbc8360.c
+++ b/drivers/char/watchdog/sbc8360.c
@@ -200,7 +200,7 @@ static int wd_margin = 0xB;
 static int wd_multiplier = 2;
 static int nowayout = WATCHDOG_NOWAYOUT;
 
-module_param(timeout, int, 27);
+module_param(timeout, int, 0);
 MODULE_PARM_DESC(timeout, "Index into timeout table (0-63) (default=27 (60s))");
 module_param(nowayout, int, 0);
 MODULE_PARM_DESC(nowayout,
@@ -407,7 +407,7 @@ module_exit(sbc8360_exit);
 MODULE_AUTHOR("Ian E. Morgan <imorgan@webcon.ca>");
 MODULE_DESCRIPTION("SBC8360 watchdog driver");
 MODULE_LICENSE("GPL");
-MODULE_VERSION("1.0");
+MODULE_VERSION("1.01");
 MODULE_ALIAS_MISCDEV(WATCHDOG_MINOR);
 
 /* end of sbc8360.c */
diff --git a/drivers/ide/ide-proc.c b/drivers/ide/ide-proc.c
index c12f1b71e93..41b74b13a00 100644
--- a/drivers/ide/ide-proc.c
+++ b/drivers/ide/ide-proc.c
@@ -376,6 +376,8 @@ static int proc_ide_read_media
 				break;
 		case ide_floppy:media = "floppy\n";
 				break;
+		case ide_optical:media = "optical\n";
+				break;
 		default:	media = "UNKNOWN\n";
 				break;
 	}
diff --git a/drivers/ide/pci/sgiioc4.c b/drivers/ide/pci/sgiioc4.c
index e125032bb40..d8a0d87df73 100644
--- a/drivers/ide/pci/sgiioc4.c
+++ b/drivers/ide/pci/sgiioc4.c
@@ -367,12 +367,13 @@ sgiioc4_INB(unsigned long port)
 static void __devinit
 ide_dma_sgiioc4(ide_hwif_t * hwif, unsigned long dma_base)
 {
+	void __iomem *virt_dma_base;
 	int num_ports = sizeof (ioc4_dma_regs_t);
 
 	printk(KERN_INFO "%s: BM-DMA at 0x%04lx-0x%04lx\n", hwif->name,
 	       dma_base, dma_base + num_ports - 1);
 
-	if (!request_region(dma_base, num_ports, hwif->name)) {
+	if (!request_mem_region(dma_base, num_ports, hwif->name)) {
 		printk(KERN_ERR
 		       "%s(%s) -- ERROR, Addresses 0x%p to 0x%p "
 		       "ALREADY in use\n",
@@ -381,13 +382,21 @@ ide_dma_sgiioc4(ide_hwif_t * hwif, unsigned long dma_base)
 		goto dma_alloc_failure;
 	}
 
-	hwif->dma_base = dma_base;
+	virt_dma_base = ioremap(dma_base, num_ports);
+	if (virt_dma_base == NULL) {
+		printk(KERN_ERR
+		       "%s(%s) -- ERROR, Unable to map addresses 0x%lx to 0x%lx\n",
+		       __FUNCTION__, hwif->name, dma_base, dma_base + num_ports - 1);
+		goto dma_remap_failure;
+	}
+	hwif->dma_base = (unsigned long) virt_dma_base;
+
 	hwif->dmatable_cpu = pci_alloc_consistent(hwif->pci_dev,
 					  IOC4_PRD_ENTRIES * IOC4_PRD_BYTES,
 					  &hwif->dmatable_dma);
 
 	if (!hwif->dmatable_cpu)
-		goto dma_alloc_failure;
+		goto dma_pci_alloc_failure;
 
 	hwif->sg_max_nents = IOC4_PRD_ENTRIES;
 
@@ -411,6 +420,12 @@ dma_base2alloc_failure:
 	printk(KERN_INFO
 	       "Changing from DMA to PIO mode for Drive %s\n", hwif->name);
 
+dma_pci_alloc_failure:
+	iounmap(virt_dma_base);
+
+dma_remap_failure:
+	release_mem_region(dma_base, num_ports);
+
 dma_alloc_failure:
 	/* Disable DMA because we couldnot allocate any DMA maps */
 	hwif->autodma = 0;
@@ -607,18 +622,15 @@ ide_init_sgiioc4(ide_hwif_t * hwif)
 	hwif->ide_dma_lostirq = &sgiioc4_ide_dma_lostirq;
 	hwif->ide_dma_timeout = &__ide_dma_timeout;
 
-	/*
-	 * The IOC4 uses MMIO rather than Port IO.
-	 * It also needs special workarounds for INB.
-	 */
-	default_hwif_mmiops(hwif);
 	hwif->INB = &sgiioc4_INB;
 }
 
 static int __devinit
 sgiioc4_ide_setup_pci_device(struct pci_dev *dev, ide_pci_device_t * d)
 {
-	unsigned long base, ctl, dma_base, irqport;
+	unsigned long cmd_base, dma_base, irqport;
+	unsigned long bar0, cmd_phys_base, ctl;
+	void __iomem *virt_base;
 	ide_hwif_t *hwif;
 	int h;
 
@@ -636,23 +648,32 @@ sgiioc4_ide_setup_pci_device(struct pci_dev *dev, ide_pci_device_t * d)
 	}
 
 	/*  Get the CmdBlk and CtrlBlk Base Registers */
-	base = pci_resource_start(dev, 0) + IOC4_CMD_OFFSET;
-	ctl = pci_resource_start(dev, 0) + IOC4_CTRL_OFFSET;
-	irqport = pci_resource_start(dev, 0) + IOC4_INTR_OFFSET;
+	bar0 = pci_resource_start(dev, 0);
+	virt_base = ioremap(bar0, pci_resource_len(dev, 0));
+	if (virt_base == NULL) {
+		printk(KERN_ERR "%s: Unable to remap BAR 0 address: 0x%lx\n",
+			d->name, bar0);
+		return -ENOMEM;
+	}
+	cmd_base = (unsigned long) virt_base + IOC4_CMD_OFFSET;
+	ctl = (unsigned long) virt_base + IOC4_CTRL_OFFSET;
+	irqport = (unsigned long) virt_base + IOC4_INTR_OFFSET;
 	dma_base = pci_resource_start(dev, 0) + IOC4_DMA_OFFSET;
 
-	if (!request_region(base, IOC4_CMD_CTL_BLK_SIZE, hwif->name)) {
+	cmd_phys_base = bar0 + IOC4_CMD_OFFSET;
+	if (!request_mem_region(cmd_phys_base, IOC4_CMD_CTL_BLK_SIZE,
+	    hwif->name)) {
 		printk(KERN_ERR
-			"%s : %s -- ERROR, Port Addresses "
+			"%s : %s -- ERROR, Addresses "
 			"0x%p to 0x%p ALREADY in use\n",
-		       __FUNCTION__, hwif->name, (void *) base,
-		       (void *) base + IOC4_CMD_CTL_BLK_SIZE);
+		       __FUNCTION__, hwif->name, (void *) cmd_phys_base,
+		       (void *) cmd_phys_base + IOC4_CMD_CTL_BLK_SIZE);
 		return -ENOMEM;
 	}
 
-	if (hwif->io_ports[IDE_DATA_OFFSET] != base) {
+	if (hwif->io_ports[IDE_DATA_OFFSET] != cmd_base) {
 		/* Initialize the IO registers */
-		sgiioc4_init_hwif_ports(&hwif->hw, base, ctl, irqport);
+		sgiioc4_init_hwif_ports(&hwif->hw, cmd_base, ctl, irqport);
 		memcpy(hwif->io_ports, hwif->hw.io_ports,
 		       sizeof (hwif->io_ports));
 		hwif->noprobe = !hwif->io_ports[IDE_DATA_OFFSET];
@@ -665,6 +686,9 @@ sgiioc4_ide_setup_pci_device(struct pci_dev *dev, ide_pci_device_t * d)
 	hwif->cds = (struct ide_pci_device_s *) d;
 	hwif->gendev.parent = &dev->dev;/* setup proper ancestral information */
 
+	/* The IOC4 uses MMIO rather than Port IO. */
+	default_hwif_mmiops(hwif);
+
 	/* Initializing chipset IRQ Registers */
 	hwif->OUTL(0x03, irqport + IOC4_INTR_SET * 4);
 
diff --git a/drivers/ide/pci/sis5513.c b/drivers/ide/pci/sis5513.c
index 8a6c23ac8cc..f03196c5db3 100644
--- a/drivers/ide/pci/sis5513.c
+++ b/drivers/ide/pci/sis5513.c
@@ -86,6 +86,8 @@ static const struct {
 	u8 chipset_family;
 	u8 flags;
 } SiSHostChipInfo[] = {
+	{ "SiS968",	PCI_DEVICE_ID_SI_968,	ATA_133  },
+	{ "SiS966",	PCI_DEVICE_ID_SI_966,	ATA_133  },
 	{ "SiS965",	PCI_DEVICE_ID_SI_965,	ATA_133  },
 	{ "SiS745",	PCI_DEVICE_ID_SI_745,	ATA_100  },
 	{ "SiS735",	PCI_DEVICE_ID_SI_735,	ATA_100  },
diff --git a/drivers/ide/pci/via82cxxx.c b/drivers/ide/pci/via82cxxx.c
index afdaee3c15c..9b7589e8e93 100644
--- a/drivers/ide/pci/via82cxxx.c
+++ b/drivers/ide/pci/via82cxxx.c
@@ -6,7 +6,7 @@
  *
  *   vt82c576, vt82c586, vt82c586a, vt82c586b, vt82c596a, vt82c596b,
  *   vt82c686, vt82c686a, vt82c686b, vt8231, vt8233, vt8233c, vt8233a,
- *   vt8235, vt8237
+ *   vt8235, vt8237, vt8237a
  *
  * Copyright (c) 2000-2002 Vojtech Pavlik
  *
@@ -81,6 +81,7 @@ static struct via_isa_bridge {
 	{ "vt6410",	PCI_DEVICE_ID_VIA_6410,     0x00, 0x2f, VIA_UDMA_133 | VIA_BAD_AST },
 	{ "vt8251",	PCI_DEVICE_ID_VIA_8251,     0x00, 0x2f, VIA_UDMA_133 | VIA_BAD_AST },
 	{ "vt8237",	PCI_DEVICE_ID_VIA_8237,     0x00, 0x2f, VIA_UDMA_133 | VIA_BAD_AST },
+	{ "vt8237a",	PCI_DEVICE_ID_VIA_8237A,    0x00, 0x2f, VIA_UDMA_133 | VIA_BAD_AST },
 	{ "vt8235",	PCI_DEVICE_ID_VIA_8235,     0x00, 0x2f, VIA_UDMA_133 | VIA_BAD_AST },
 	{ "vt8233a",	PCI_DEVICE_ID_VIA_8233A,    0x00, 0x2f, VIA_UDMA_133 | VIA_BAD_AST },
 	{ "vt8233c",	PCI_DEVICE_ID_VIA_8233C_0,  0x00, 0x2f, VIA_UDMA_100 },
diff --git a/drivers/infiniband/hw/mthca/mthca_allocator.c b/drivers/infiniband/hw/mthca/mthca_allocator.c
index 25157f57a6d..f930e55b58f 100644
--- a/drivers/infiniband/hw/mthca/mthca_allocator.c
+++ b/drivers/infiniband/hw/mthca/mthca_allocator.c
@@ -41,9 +41,11 @@
 /* Trivial bitmap-based allocator */
 u32 mthca_alloc(struct mthca_alloc *alloc)
 {
+	unsigned long flags;
 	u32 obj;
 
-	spin_lock(&alloc->lock);
+	spin_lock_irqsave(&alloc->lock, flags);
+
 	obj = find_next_zero_bit(alloc->table, alloc->max, alloc->last);
 	if (obj >= alloc->max) {
 		alloc->top = (alloc->top + alloc->max) & alloc->mask;
@@ -56,19 +58,24 @@ u32 mthca_alloc(struct mthca_alloc *alloc)
 	} else
 		obj = -1;
 
-	spin_unlock(&alloc->lock);
+	spin_unlock_irqrestore(&alloc->lock, flags);
 
 	return obj;
 }
 
 void mthca_free(struct mthca_alloc *alloc, u32 obj)
 {
+	unsigned long flags;
+
 	obj &= alloc->max - 1;
-	spin_lock(&alloc->lock);
+
+	spin_lock_irqsave(&alloc->lock, flags);
+
 	clear_bit(obj, alloc->table);
 	alloc->last = min(alloc->last, obj);
 	alloc->top = (alloc->top + alloc->max) & alloc->mask;
-	spin_unlock(&alloc->lock);
+
+	spin_unlock_irqrestore(&alloc->lock, flags);
 }
 
 int mthca_alloc_init(struct mthca_alloc *alloc, u32 num, u32 mask,
diff --git a/drivers/macintosh/via-pmu-backlight.c b/drivers/macintosh/via-pmu-backlight.c
index d3f8d75bcbb..a82f313d9dc 100644
--- a/drivers/macintosh/via-pmu-backlight.c
+++ b/drivers/macintosh/via-pmu-backlight.c
@@ -18,17 +18,48 @@
 static struct backlight_properties pmu_backlight_data;
 static spinlock_t pmu_backlight_lock;
 static int sleeping;
+static u8 bl_curve[FB_BACKLIGHT_LEVELS];
 
-static int pmu_backlight_get_level_brightness(struct fb_info *info,
-		int level)
+static void pmu_backlight_init_curve(u8 off, u8 min, u8 max)
+{
+	unsigned int i, flat, count, range = (max - min);
+
+	bl_curve[0] = off;
+
+	for (flat = 1; flat < (FB_BACKLIGHT_LEVELS / 16); ++flat)
+		bl_curve[flat] = min;
+
+	count = FB_BACKLIGHT_LEVELS * 15 / 16;
+	for (i = 0; i < count; ++i)
+		bl_curve[flat + i] = min + (range * (i + 1) / count);
+}
+
+static int pmu_backlight_curve_lookup(int value)
+{
+	int level = (FB_BACKLIGHT_LEVELS - 1);
+	int i, max = 0;
+
+	/* Look for biggest value */
+	for (i = 0; i < FB_BACKLIGHT_LEVELS; i++)
+		max = max((int)bl_curve[i], max);
+
+	/* Look for nearest value */
+	for (i = 0; i < FB_BACKLIGHT_LEVELS; i++) {
+		int diff = abs(bl_curve[i] - value);
+		if (diff < max) {
+			max = diff;
+			level = i;
+		}
+	}
+	return level;
+}
+
+static int pmu_backlight_get_level_brightness(int level)
 {
 	int pmulevel;
 
 	/* Get and convert the value */
-	mutex_lock(&info->bl_mutex);
-	pmulevel = info->bl_curve[level] * FB_BACKLIGHT_MAX / MAX_PMU_LEVEL;
-	mutex_unlock(&info->bl_mutex);
-
+	pmulevel = bl_curve[level] * FB_BACKLIGHT_MAX / MAX_PMU_LEVEL;
 	if (pmulevel < 0)
 		pmulevel = 0;
 	else if (pmulevel > MAX_PMU_LEVEL)
@@ -39,7 +70,6 @@ static int pmu_backlight_get_level_brightness(struct fb_info *info,
 
 static int pmu_backlight_update_status(struct backlight_device *bd)
 {
-	struct fb_info *info = class_get_devdata(&bd->class_dev);
 	struct adb_request req;
 	unsigned long flags;
 	int level = bd->props->brightness;
@@ -55,7 +85,7 @@ static int pmu_backlight_update_status(struct backlight_device *bd)
 		level = 0;
 
 	if (level > 0) {
-		int pmulevel = pmu_backlight_get_level_brightness(info, level);
+		int pmulevel = pmu_backlight_get_level_brightness(level);
 
 		pmu_request(&req, NULL, 2, PMU_BACKLIGHT_BRIGHT, pmulevel);
 		pmu_wait_complete(&req);
@@ -88,35 +118,19 @@ static struct backlight_properties pmu_backlight_data = {
 };
 
 #ifdef CONFIG_PM
-static int pmu_backlight_sleep_call(struct pmu_sleep_notifier *self, int when)
+void pmu_backlight_set_sleep(int sleep)
 {
 	unsigned long flags;
 
 	spin_lock_irqsave(&pmu_backlight_lock, flags);
-
-	switch (when) {
-	case PBOOK_SLEEP_REQUEST:
-		sleeping = 1;
-		break;
-	case PBOOK_WAKE:
-		sleeping = 0;
-		break;
-	}
-
+	sleeping = sleep;
 	spin_unlock_irqrestore(&pmu_backlight_lock, flags);
-
-	return PBOOK_SLEEP_OK;
 }
-
-static struct pmu_sleep_notifier pmu_backlight_sleep_notif = {
-	.notifier_call = pmu_backlight_sleep_call,
-};
-#endif
+#endif /* CONFIG_PM */
 
 void __init pmu_backlight_init()
 {
 	struct backlight_device *bd;
-	struct fb_info *info;
 	char name[10];
 	int level, autosave;
 
@@ -131,27 +145,14 @@ void __init pmu_backlight_init()
 	    !machine_is_compatible("PowerBook1,1"))
 		return;
 
-	/* Actually, this is a hack, but I don't know of a better way
-	 * to get the first framebuffer device.
-	 */
-	info = registered_fb[0];
-	if (!info) {
-		printk("pmubl: No framebuffer found\n");
-		goto error;
-	}
-
-	snprintf(name, sizeof(name), "pmubl%d", info->node);
+	snprintf(name, sizeof(name), "pmubl");
 
-	bd = backlight_device_register(name, info, &pmu_backlight_data);
+	bd = backlight_device_register(name, NULL, &pmu_backlight_data);
 	if (IS_ERR(bd)) {
 		printk("pmubl: Backlight registration failed\n");
 		goto error;
 	}
-
-	mutex_lock(&info->bl_mutex);
-	info->bl_dev = bd;
-	fb_bl_default_curve(info, 0x7F, 0x46, 0x0E);
-	mutex_unlock(&info->bl_mutex);
+	pmu_backlight_init_curve(0x7F, 0x46, 0x0E);
 
 	level = pmu_backlight_data.max_brightness;
 
@@ -161,28 +162,22 @@ void __init pmu_backlight_init()
 		pmu_request(&req, NULL, 2, 0xd9, 0);
 		pmu_wait_complete(&req);
 
-		mutex_lock(&info->bl_mutex);
-		level = pmac_backlight_curve_lookup(info,
+		level = pmu_backlight_curve_lookup(
 				(req.reply[0] >> 4) *
 				pmu_backlight_data.max_brightness / 15);
-		mutex_unlock(&info->bl_mutex);
 	}
 
-	up(&bd->sem);
+	down(&bd->sem);
 	bd->props->brightness = level;
 	bd->props->power = FB_BLANK_UNBLANK;
 	bd->props->update_status(bd);
-	down(&bd->sem);
+	up(&bd->sem);
 
 	mutex_lock(&pmac_backlight_mutex);
 	if (!pmac_backlight)
 		pmac_backlight = bd;
 	mutex_unlock(&pmac_backlight_mutex);
 
-#ifdef CONFIG_PM
-	pmu_register_sleep_notifier(&pmu_backlight_sleep_notif);
-#endif
-
 	printk("pmubl: Backlight initialized (%s)\n", name);
 
 	return;
diff --git a/drivers/macintosh/via-pmu.c b/drivers/macintosh/via-pmu.c
index ea386801e21..14610a63f58 100644
--- a/drivers/macintosh/via-pmu.c
+++ b/drivers/macintosh/via-pmu.c
@@ -1995,6 +1995,8 @@ restore_via_state(void)
 	out_8(&via[IER], IER_SET | SR_INT | CB1_INT);
 }
 
+extern void pmu_backlight_set_sleep(int sleep);
+
 static int
 pmac_suspend_devices(void)
 {
@@ -2032,6 +2034,11 @@ pmac_suspend_devices(void)
 		return -EBUSY;
 	}
 
+#ifdef CONFIG_PMAC_BACKLIGHT
+	/* Tell backlight code not to muck around with the chip anymore */
+	pmu_backlight_set_sleep(1);
+#endif
+
 	/* Call platform functions marked "on sleep" */
 	pmac_pfunc_i2c_suspend();
 	pmac_pfunc_base_suspend();
@@ -2090,6 +2097,11 @@ pmac_wakeup_devices(void)
 {
 	mdelay(100);
 
+#ifdef CONFIG_PMAC_BACKLIGHT
+	/* Tell backlight code it can use the chip again */
+	pmu_backlight_set_sleep(0);
+#endif
+
 	/* Power back up system devices (including the PIC) */
 	device_power_up();
 
diff --git a/drivers/md/raid1.c b/drivers/md/raid1.c
index 87bfe9e7d8c..3b4d69c0562 100644
--- a/drivers/md/raid1.c
+++ b/drivers/md/raid1.c
@@ -930,10 +930,13 @@ static void status(struct seq_file *seq, mddev_t *mddev)
 
 	seq_printf(seq, " [%d/%d] [", conf->raid_disks,
 						conf->working_disks);
-	for (i = 0; i < conf->raid_disks; i++)
+	rcu_read_lock();
+	for (i = 0; i < conf->raid_disks; i++) {
+		mdk_rdev_t *rdev = rcu_dereference(conf->mirrors[i].rdev);
 		seq_printf(seq, "%s",
-			      conf->mirrors[i].rdev &&
-			      test_bit(In_sync, &conf->mirrors[i].rdev->flags) ? "U" : "_");
+			   rdev && test_bit(In_sync, &rdev->flags) ? "U" : "_");
+	}
+	rcu_read_unlock();
 	seq_printf(seq, "]");
 }
 
@@ -975,7 +978,6 @@ static void error(mddev_t *mddev, mdk_rdev_t *rdev)
 static void print_conf(conf_t *conf)
 {
 	int i;
-	mirror_info_t *tmp;
 
 	printk("RAID1 conf printout:\n");
 	if (!conf) {
@@ -985,14 +987,17 @@ static void print_conf(conf_t *conf)
 	printk(" --- wd:%d rd:%d\n", conf->working_disks,
 		conf->raid_disks);
 
+	rcu_read_lock();
 	for (i = 0; i < conf->raid_disks; i++) {
 		char b[BDEVNAME_SIZE];
-		tmp = conf->mirrors + i;
-		if (tmp->rdev)
+		mdk_rdev_t *rdev = rcu_dereference(conf->mirrors[i].rdev);
+		if (rdev)
 			printk(" disk %d, wo:%d, o:%d, dev:%s\n",
-				i, !test_bit(In_sync, &tmp->rdev->flags), !test_bit(Faulty, &tmp->rdev->flags),
-				bdevname(tmp->rdev->bdev,b));
+			       i, !test_bit(In_sync, &rdev->flags),
+			       !test_bit(Faulty, &rdev->flags),
+			       bdevname(rdev->bdev,b));
 	}
+	rcu_read_unlock();
 }
 
 static void close_sync(conf_t *conf)
@@ -1008,20 +1013,20 @@ static int raid1_spare_active(mddev_t *mddev)
 {
 	int i;
 	conf_t *conf = mddev->private;
-	mirror_info_t *tmp;
 
 	/*
 	 * Find all failed disks within the RAID1 configuration 
-	 * and mark them readable
+	 * and mark them readable.
+	 * Called under mddev lock, so rcu protection not needed.
 	 */
 	for (i = 0; i < conf->raid_disks; i++) {
-		tmp = conf->mirrors + i;
-		if (tmp->rdev 
-		    && !test_bit(Faulty, &tmp->rdev->flags)
-		    && !test_bit(In_sync, &tmp->rdev->flags)) {
+		mdk_rdev_t *rdev = conf->mirrors[i].rdev;
+		if (rdev
+		    && !test_bit(Faulty, &rdev->flags)
+		    && !test_bit(In_sync, &rdev->flags)) {
 			conf->working_disks++;
 			mddev->degraded--;
-			set_bit(In_sync, &tmp->rdev->flags);
+			set_bit(In_sync, &rdev->flags);
 		}
 	}
 
@@ -1237,7 +1242,7 @@ static void sync_request_write(mddev_t *mddev, r1bio_t *r1_bio)
 		/* ouch - failed to read all of that.
 		 * Try some synchronous reads of other devices to get
 		 * good data, much like with normal read errors.  Only
-		 * read into the pages we already have so they we don't
+		 * read into the pages we already have so we don't
 		 * need to re-issue the read request.
 		 * We don't need to freeze the array, because being in an
 		 * active sync request, there is no normal IO, and
@@ -1257,6 +1262,10 @@ static void sync_request_write(mddev_t *mddev, r1bio_t *r1_bio)
 				s = PAGE_SIZE >> 9;
 			do {
 				if (r1_bio->bios[d]->bi_end_io == end_sync_read) {
+					/* No rcu protection needed here devices
+					 * can only be removed when no resync is
+					 * active, and resync is currently active
+					 */
 					rdev = conf->mirrors[d].rdev;
 					if (sync_page_io(rdev->bdev,
 							 sect + rdev->data_offset,
@@ -1463,6 +1472,11 @@ static void raid1d(mddev_t *mddev)
 					s = PAGE_SIZE >> 9;
 
 				do {
+					/* Note: no rcu protection needed here
+					 * as this is synchronous in the raid1d thread
+					 * which is the thread that might remove
+					 * a device.  If raid1d ever becomes multi-threaded....
+					 */
 					rdev = conf->mirrors[d].rdev;
 					if (rdev &&
 					    test_bit(In_sync, &rdev->flags) &&
@@ -1486,7 +1500,6 @@ static void raid1d(mddev_t *mddev)
 							d = conf->raid_disks;
 						d--;
 						rdev = conf->mirrors[d].rdev;
-						atomic_add(s, &rdev->corrected_errors);
 						if (rdev &&
 						    test_bit(In_sync, &rdev->flags)) {
 							if (sync_page_io(rdev->bdev,
@@ -1509,9 +1522,11 @@ static void raid1d(mddev_t *mddev)
 									 s<<9, conf->tmppage, READ) == 0)
 								/* Well, this device is dead */
 								md_error(mddev, rdev);
-							else
+							else {
+								atomic_add(s, &rdev->corrected_errors);
 								printk(KERN_INFO "raid1:%s: read error corrected (%d sectors at %llu on %s)\n",
 								       mdname(mddev), s, (unsigned long long)(sect + rdev->data_offset), bdevname(rdev->bdev, b));
+							}
 						}
 					}
 				} else {
@@ -1787,19 +1802,17 @@ static sector_t sync_request(mddev_t *mddev, sector_t sector_nr, int *skipped, i
 		for (i=0; i<conf->raid_disks; i++) {
 			bio = r1_bio->bios[i];
 			if (bio->bi_end_io == end_sync_read) {
-				md_sync_acct(conf->mirrors[i].rdev->bdev, nr_sectors);
+				md_sync_acct(bio->bi_bdev, nr_sectors);
 				generic_make_request(bio);
 			}
 		}
 	} else {
 		atomic_set(&r1_bio->remaining, 1);
 		bio = r1_bio->bios[r1_bio->read_disk];
-		md_sync_acct(conf->mirrors[r1_bio->read_disk].rdev->bdev,
-			     nr_sectors);
+		md_sync_acct(bio->bi_bdev, nr_sectors);
 		generic_make_request(bio);
 
 	}
-
 	return nr_sectors;
 }
 
diff --git a/drivers/net/Kconfig b/drivers/net/Kconfig
index 30b3671d833..a2bd8119270 100644
--- a/drivers/net/Kconfig
+++ b/drivers/net/Kconfig
@@ -2393,7 +2393,7 @@ config MYRI10GE
 	  you will need a newer firmware image.
 	  You may get this image or more information, at:
 
-	  <http://www.myri.com/Myri-10G/>
+	  <http://www.myri.com/scs/download-Myri10GE.html>
 
 	  To compile this driver as a module, choose M here and read
 	  <file:Documentation/networking/net-modules.txt>.  The module
diff --git a/drivers/net/e100.c b/drivers/net/e100.c
index 91ef5f2fd76..ce850f1078b 100644
--- a/drivers/net/e100.c
+++ b/