Merge branch 'from-linus' into bcm43xx

47 files changed, 880 insertions, 452 deletions

diff --git a/drivers/base/topology.c b/drivers/base/topology.c
index c2d62163238..3ef9d514b91 100644
--- a/drivers/base/topology.c
+++ b/drivers/base/topology.c
@@ -139,7 +139,7 @@ static int __cpuinit topology_sysfs_init(void)
 				(void *)(long)i);
 	}
 
-	register_cpu_notifier(&topology_cpu_notifier);
+	register_hotcpu_notifier(&topology_cpu_notifier);
 
 	return 0;
 }
diff --git a/drivers/block/nbd.c b/drivers/block/nbd.c
index 0a1b1ea36dd..bdbade9a5cf 100644
--- a/drivers/block/nbd.c
+++ b/drivers/block/nbd.c
@@ -300,6 +300,15 @@ static struct request *nbd_read_stat(struct nbd_device *lo)
 				lo->disk->disk_name, result);
 		goto harderror;
 	}
+
+	if (ntohl(reply.magic) != NBD_REPLY_MAGIC) {
+		printk(KERN_ERR "%s: Wrong magic (0x%lx)\n",
+				lo->disk->disk_name,
+				(unsigned long)ntohl(reply.magic));
+		result = -EPROTO;
+		goto harderror;
+	}
+
 	req = nbd_find_request(lo, reply.handle);
 	if (unlikely(IS_ERR(req))) {
 		result = PTR_ERR(req);
@@ -312,13 +321,6 @@ static struct request *nbd_read_stat(struct nbd_device *lo)
 		goto harderror;
 	}
 
-	if (ntohl(reply.magic) != NBD_REPLY_MAGIC) {
-		printk(KERN_ERR "%s: Wrong magic (0x%lx)\n",
-				lo->disk->disk_name,
-				(unsigned long)ntohl(reply.magic));
-		result = -EPROTO;
-		goto harderror;
-	}
 	if (ntohl(reply.error)) {
 		printk(KERN_ERR "%s: Other side returned error (%d)\n",
 				lo->disk->disk_name, ntohl(reply.error));
@@ -339,7 +341,8 @@ static struct request *nbd_read_stat(struct nbd_device *lo)
 					printk(KERN_ERR "%s: Receive data failed (result %d)\n",
 							lo->disk->disk_name,
 							result);
-					goto harderror;
+					req->errors++;
+					return req;
 				}
 				dprintk(DBG_RX, "%s: request %p: got %d bytes data\n",
 					lo->disk->disk_name, req, bvec->bv_len);
diff --git a/drivers/block/pktcdvd.c b/drivers/block/pktcdvd.c
index bde2c64b634..451b996bba9 100644
--- a/drivers/block/pktcdvd.c
+++ b/drivers/block/pktcdvd.c
@@ -2577,19 +2577,19 @@ static int pkt_ctl_ioctl(struct inode *inode, struct file *file, unsigned int cm
 	case PKT_CTRL_CMD_SETUP:
 		if (!capable(CAP_SYS_ADMIN))
 			return -EPERM;
-		mutex_lock(&ctl_mutex);
+		mutex_lock_nested(&ctl_mutex, SINGLE_DEPTH_NESTING);
 		ret = pkt_setup_dev(&ctrl_cmd);
 		mutex_unlock(&ctl_mutex);
 		break;
 	case PKT_CTRL_CMD_TEARDOWN:
 		if (!capable(CAP_SYS_ADMIN))
 			return -EPERM;
-		mutex_lock(&ctl_mutex);
+		mutex_lock_nested(&ctl_mutex, SINGLE_DEPTH_NESTING);
 		ret = pkt_remove_dev(&ctrl_cmd);
 		mutex_unlock(&ctl_mutex);
 		break;
 	case PKT_CTRL_CMD_STATUS:
-		mutex_lock(&ctl_mutex);
+		mutex_lock_nested(&ctl_mutex, SINGLE_DEPTH_NESTING);
 		pkt_get_status(&ctrl_cmd);
 		mutex_unlock(&ctl_mutex);
 		break;
diff --git a/drivers/char/hw_random/geode-rng.c b/drivers/char/hw_random/geode-rng.c
index be61f22ee7b..d37ced0d132 100644
--- a/drivers/char/hw_random/geode-rng.c
+++ b/drivers/char/hw_random/geode-rng.c
@@ -107,10 +107,14 @@ found:
 	if (err) {
 		printk(KERN_ERR PFX "RNG registering failed (%d)\n",
 		       err);
-		goto out;
+		goto err_unmap;
 	}
 out:
 	return err;
+
+err_unmap:
+	iounmap(mem);
+	goto out;
 }
 
 static void __exit mod_exit(void)
diff --git a/drivers/char/hw_random/intel-rng.c b/drivers/char/hw_random/intel-rng.c
index 6594bd5645f..ccd7e710223 100644
--- a/drivers/char/hw_random/intel-rng.c
+++ b/drivers/char/hw_random/intel-rng.c
@@ -164,7 +164,7 @@ static int __init mod_init(void)
 	if (err) {
 		printk(KERN_ERR PFX "RNG registering failed (%d)\n",
 		       err);
-		goto out;
+		goto err_unmap;
 	}
 out:
 	return err;
diff --git a/drivers/char/pc8736x_gpio.c b/drivers/char/pc8736x_gpio.c
index 645eb81cb5a..84e5a68635f 100644
--- a/drivers/char/pc8736x_gpio.c
+++ b/drivers/char/pc8736x_gpio.c
@@ -221,7 +221,6 @@ static struct nsc_gpio_ops pc8736x_gpio_ops = {
 	.gpio_change	= pc8736x_gpio_change,
 	.gpio_current	= pc8736x_gpio_current
 };
-EXPORT_SYMBOL(pc8736x_gpio_ops);
 
 static int pc8736x_gpio_open(struct inode *inode, struct file *file)
 {
diff --git a/drivers/connector/cn_proc.c b/drivers/connector/cn_proc.c
index 498aa37bca2..3ece6923134 100644
--- a/drivers/connector/cn_proc.c
+++ b/drivers/connector/cn_proc.c
@@ -51,6 +51,7 @@ void proc_fork_connector(struct task_struct *task)
 	struct cn_msg *msg;
 	struct proc_event *ev;
 	__u8 buffer[CN_PROC_MSG_SIZE];
+	struct timespec ts;
 
 	if (atomic_read(&proc_event_num_listeners) < 1)
 		return;
@@ -58,7 +59,8 @@ void proc_fork_connector(struct task_struct *task)
 	msg = (struct cn_msg*)buffer;
 	ev = (struct proc_event*)msg->data;
 	get_seq(&msg->seq, &ev->cpu);
-	ktime_get_ts(&ev->timestamp); /* get high res monotonic timestamp */
+	ktime_get_ts(&ts); /* get high res monotonic timestamp */
+	ev->timestamp_ns = timespec_to_ns(&ts);
 	ev->what = PROC_EVENT_FORK;
 	ev->event_data.fork.parent_pid = task->real_parent->pid;
 	ev->event_data.fork.parent_tgid = task->real_parent->tgid;
@@ -76,6 +78,7 @@ void proc_exec_connector(struct task_struct *task)
 {
 	struct cn_msg *msg;
 	struct proc_event *ev;
+	struct timespec ts;
 	__u8 buffer[CN_PROC_MSG_SIZE];
 
 	if (atomic_read(&proc_event_num_listeners) < 1)
@@ -84,7 +87,8 @@ void proc_exec_connector(struct task_struct *task)
 	msg = (struct cn_msg*)buffer;
 	ev = (struct proc_event*)msg->data;
 	get_seq(&msg->seq, &ev->cpu);
-	ktime_get_ts(&ev->timestamp);
+	ktime_get_ts(&ts); /* get high res monotonic timestamp */
+	ev->timestamp_ns = timespec_to_ns(&ts);
 	ev->what = PROC_EVENT_EXEC;
 	ev->event_data.exec.process_pid = task->pid;
 	ev->event_data.exec.process_tgid = task->tgid;
@@ -100,6 +104,7 @@ void proc_id_connector(struct task_struct *task, int which_id)
 	struct cn_msg *msg;
 	struct proc_event *ev;
 	__u8 buffer[CN_PROC_MSG_SIZE];
+	struct timespec ts;
 
 	if (atomic_read(&proc_event_num_listeners) < 1)
 		return;
@@ -118,7 +123,8 @@ void proc_id_connector(struct task_struct *task, int which_id)
 	} else
 	     	return;
 	get_seq(&msg->seq, &ev->cpu);
-	ktime_get_ts(&ev->timestamp);
+	ktime_get_ts(&ts); /* get high res monotonic timestamp */
+	ev->timestamp_ns = timespec_to_ns(&ts);
 
 	memcpy(&msg->id, &cn_proc_event_id, sizeof(msg->id));
 	msg->ack = 0; /* not used */
@@ -131,6 +137,7 @@ void proc_exit_connector(struct task_struct *task)
 	struct cn_msg *msg;
 	struct proc_event *ev;
 	__u8 buffer[CN_PROC_MSG_SIZE];
+	struct timespec ts;
 
 	if (atomic_read(&proc_event_num_listeners) < 1)
 		return;
@@ -138,7 +145,8 @@ void proc_exit_connector(struct task_struct *task)
 	msg = (struct cn_msg*)buffer;
 	ev = (struct proc_event*)msg->data;
 	get_seq(&msg->seq, &ev->cpu);
-	ktime_get_ts(&ev->timestamp);
+	ktime_get_ts(&ts); /* get high res monotonic timestamp */
+	ev->timestamp_ns = timespec_to_ns(&ts);
 	ev->what = PROC_EVENT_EXIT;
 	ev->event_data.exit.process_pid = task->pid;
 	ev->event_data.exit.process_tgid = task->tgid;
@@ -164,6 +172,7 @@ static void cn_proc_ack(int err, int rcvd_seq, int rcvd_ack)
 	struct cn_msg *msg;
 	struct proc_event *ev;
 	__u8 buffer[CN_PROC_MSG_SIZE];
+	struct timespec ts;
 
 	if (atomic_read(&proc_event_num_listeners) < 1)
 		return;
@@ -171,7 +180,8 @@ static void cn_proc_ack(int err, int rcvd_seq, int rcvd_ack)
 	msg = (struct cn_msg*)buffer;
 	ev = (struct proc_event*)msg->data;
 	msg->seq = rcvd_seq;
-	ktime_get_ts(&ev->timestamp);
+	ktime_get_ts(&ts); /* get high res monotonic timestamp */
+	ev->timestamp_ns = timespec_to_ns(&ts);
 	ev->cpu = -1;
 	ev->what = PROC_EVENT_NONE;
 	ev->event_data.ack.err = err;
diff --git a/drivers/ide/Kconfig b/drivers/ide/Kconfig
index d1266fe2d1a..b6fb167e20f 100644
--- a/drivers/ide/Kconfig
+++ b/drivers/ide/Kconfig
@@ -682,6 +682,7 @@ config BLK_DEV_SVWKS
 config BLK_DEV_SGIIOC4
 	tristate "Silicon Graphics IOC4 chipset ATA/ATAPI support"
 	depends on (IA64_SGI_SN2 || IA64_GENERIC) && SGI_IOC4
+	select IDEPCI_SHARE_IRQ
 	help
 	  This driver adds PIO & MultiMode DMA-2 support for the SGI IOC4
 	  chipset, which has one channel and can support two devices.
@@ -773,20 +774,6 @@ config BLK_DEV_IDEDMA_PMAC
 	  to transfer data to and from memory.  Saying Y is safe and improves
 	  performance.
 
-config BLK_DEV_IDE_PMAC_BLINK
-	bool "Blink laptop LED on drive activity (DEPRECATED)"
-	depends on BLK_DEV_IDE_PMAC && ADB_PMU
-	select ADB_PMU_LED
-	select LEDS_TRIGGERS
-	select LEDS_TRIGGER_IDE_DISK
-	help
-	  This option enables the use of the sleep LED as a hard drive
-	  activity LED.
-	  This option is deprecated, it only selects ADB_PMU_LED and
-	  LEDS_TRIGGER_IDE_DISK and changes the code in the new led class
-	  device to default to the ide-disk trigger (which should be set
-	  from userspace via sysfs).
-
 config BLK_DEV_IDE_SWARM
 	tristate "IDE for Sibyte evaluation boards"
 	depends on SIBYTE_SB1xxx_SOC
diff --git a/drivers/ide/ide-disk.c b/drivers/ide/ide-disk.c
index f712e4cfd9d..7cf3eb02352 100644
--- a/drivers/ide/ide-disk.c
+++ b/drivers/ide/ide-disk.c
@@ -776,7 +776,7 @@ static void update_ordered(ide_drive_t *drive)
 		 * not available so we don't need to recheck that.
 		 */
 		capacity = idedisk_capacity(drive);
-		barrier = ide_id_has_flush_cache(id) &&
+		barrier = ide_id_has_flush_cache(id) && !drive->noflush &&
 			(drive->addressing == 0 || capacity <= (1ULL << 28) ||
 			 ide_id_has_flush_cache_ext(id));
 
diff --git a/drivers/ide/ide-dma.c b/drivers/ide/ide-dma.c
index 98918fb6b2c..7c3a13e1cf6 100644
--- a/drivers/ide/ide-dma.c
+++ b/drivers/ide/ide-dma.c
@@ -750,7 +750,7 @@ void ide_dma_verbose(ide_drive_t *drive)
 			goto bug_dma_off;
 		printk(", DMA");
 	} else if (id->field_valid & 1) {
-		printk(", BUG");
+		goto bug_dma_off;
 	}
 	return;
 bug_dma_off:
diff --git a/drivers/ide/ide-iops.c b/drivers/ide/ide-iops.c
index 657165297dc..77703acaec1 100644
--- a/drivers/ide/ide-iops.c
+++ b/drivers/ide/ide-iops.c
@@ -23,6 +23,7 @@
 #include <linux/hdreg.h>
 #include <linux/ide.h>
 #include <linux/bitops.h>
+#include <linux/nmi.h>
 
 #include <asm/byteorder.h>
 #include <asm/irq.h>
@@ -1243,6 +1244,7 @@ int ide_wait_not_busy(ide_hwif_t *hwif, unsigned long timeout)
 		if (stat == 0xff)
 			return -ENODEV;
 		touch_softlockup_watchdog();
+		touch_nmi_watchdog();
 	}
 	return -EBUSY;
 }
diff --git a/drivers/ide/ide.c b/drivers/ide/ide.c
index 05fbd9298db..defd4b4bd37 100644
--- a/drivers/ide/ide.c
+++ b/drivers/ide/ide.c
@@ -1539,7 +1539,7 @@ static int __init ide_setup(char *s)
 		const char *hd_words[] = {
 			"none", "noprobe", "nowerr", "cdrom", "serialize",
 			"autotune", "noautotune", "minus8", "swapdata", "bswap",
-			"minus11", "remap", "remap63", "scsi", NULL };
+			"noflush", "remap", "remap63", "scsi", NULL };
 		unit = s[2] - 'a';
 		hw   = unit / MAX_DRIVES;
 		unit = unit % MAX_DRIVES;
@@ -1578,6 +1578,9 @@ static int __init ide_setup(char *s)
 			case -10: /* "bswap" */
 				drive->bswap = 1;
 				goto done;
+			case -11: /* noflush */
+				drive->noflush = 1;
+				goto done;
 			case -12: /* "remap" */
 				drive->remap_0_to_1 = 1;
 				goto done;
diff --git a/drivers/ide/pci/it821x.c b/drivers/ide/pci/it821x.c
index 3cb04424d35..e9bad185968 100644
--- a/drivers/ide/pci/it821x.c
+++ b/drivers/ide/pci/it821x.c
@@ -498,9 +498,14 @@ static int config_chipset_for_dma (ide_drive_t *drive)
 {
 	u8 speed	= ide_dma_speed(drive, it821x_ratemask(drive));
 
-	config_it821x_chipset_for_pio(drive, !speed);
-	it821x_tune_chipset(drive, speed);
-	return ide_dma_enable(drive);
+	if (speed) {
+		config_it821x_chipset_for_pio(drive, 0);
+		it821x_tune_chipset(drive, speed);
+
+		return ide_dma_enable(drive);
+	}
+
+	return 0;
 }
 
 /**
diff --git a/drivers/macintosh/Kconfig b/drivers/macintosh/Kconfig
index f5fe7fb4b3a..d5d649f5ccd 100644
--- a/drivers/macintosh/Kconfig
+++ b/drivers/macintosh/Kconfig
@@ -90,6 +90,15 @@ config ADB_PMU_LED
 	  and the ide-disk LED trigger and configure appropriately through
 	  sysfs.
 
+config ADB_PMU_LED_IDE
+	bool "Use front LED as IDE LED by default"
+	depends on ADB_PMU_LED
+	select LEDS_TRIGGERS
+	select LEDS_TRIGGER_IDE_DISK
+	help
+	  This option makes the front LED default to the IDE trigger
+	  so that it blinks on IDE activity.
+
 config PMAC_SMU
 	bool "Support for SMU  based PowerMacs"
 	depends on PPC_PMAC64
@@ -100,7 +109,7 @@ config PMAC_SMU
 
 config PMAC_APM_EMU
 	tristate "APM emulation"
-	depends on PPC_PMAC && PPC32 && PM
+	depends on PPC_PMAC && PPC32 && PM && ADB_PMU
 
 config PMAC_MEDIABAY
 	bool "Support PowerBook hotswap media bay"
@@ -115,8 +124,6 @@ config PMAC_BACKLIGHT
 	bool "Backlight control for LCD screens"
 	depends on ADB_PMU && FB = y && (BROKEN || !PPC64)
 	select FB_BACKLIGHT
-	select BACKLIGHT_CLASS_DEVICE
-	select BACKLIGHT_LCD_SUPPORT
 	help
 	  Say Y here to enable Macintosh specific extensions of the generic
 	  backlight code. With this enabled, the brightness keys on older
diff --git a/drivers/macintosh/adbhid.c b/drivers/macintosh/adbhid.c
index 545be1ed692..c69d23bb255 100644
--- a/drivers/macintosh/adbhid.c
+++ b/drivers/macintosh/adbhid.c
@@ -45,14 +45,11 @@
 #include <linux/pmu.h>
 
 #include <asm/machdep.h>
+#include <asm/backlight.h>
 #ifdef CONFIG_PPC_PMAC
 #include <asm/pmac_feature.h>
 #endif
 
-#ifdef CONFIG_PMAC_BACKLIGHT
-#include <asm/backlight.h>
-#endif
-
 MODULE_AUTHOR("Franz Sirl <Franz.Sirl-kernel@lauterbach.com>");
 
 #define KEYB_KEYREG	0	/* register # for key up/down data */
@@ -237,11 +234,6 @@ static struct adb_ids keyboard_ids;
 static struct adb_ids mouse_ids;
 static struct adb_ids buttons_ids;
 
-#ifdef CONFIG_PMAC_BACKLIGHT
-/* Exported to via-pmu.c */
-int disable_kernel_backlight = 0;
-#endif /* CONFIG_PMAC_BACKLIGHT */
-
 /* Kind of keyboard, see Apple technote 1152  */
 #define ADB_KEYBOARD_UNKNOWN	0
 #define ADB_KEYBOARD_ANSI	0x0100
@@ -527,7 +519,7 @@ adbhid_buttons_input(unsigned char *data, int nb, struct pt_regs *regs, int auto
 
 		case 0xa:	/* brightness decrease */
 #ifdef CONFIG_PMAC_BACKLIGHT
-			if (!disable_kernel_backlight && down)
+			if (down)
 				pmac_backlight_key_down();
 #endif
 			input_report_key(adbhid[id]->input, KEY_BRIGHTNESSDOWN, down);
@@ -535,7 +527,7 @@ adbhid_buttons_input(unsigned char *data, int nb, struct pt_regs *regs, int auto
 
 		case 0x9:	/* brightness increase */
 #ifdef CONFIG_PMAC_BACKLIGHT
-			if (!disable_kernel_backlight && down)
+			if (down)
 				pmac_backlight_key_up();
 #endif
 			input_report_key(adbhid[id]->input, KEY_BRIGHTNESSUP, down);
diff --git a/drivers/macintosh/therm_pm72.c b/drivers/macintosh/therm_pm72.c
index c1fe0b368f7..20bf67244e2 100644
--- a/drivers/macintosh/therm_pm72.c
+++ b/drivers/macintosh/therm_pm72.c
@@ -95,6 +95,17 @@
  *	- Use min/max macros here or there
  *	- Latest darwin updated U3H min fan speed to 20% PWM
  *
+ *  July. 06, 2006 : 1.3
+ *	- Fix setting of RPM fans on Xserve G5 (they were going too fast)
+ *      - Add missing slots fan control loop for Xserve G5
+ *	- Lower fixed slots fan speed from 50% to 40% on desktop G5s. We
+ *        still can't properly implement the control loop for these, so let's
+ *        reduce the noise a little bit, it appears that 40% still gives us
+ *        a pretty good air flow
+ *	- Add code to "tickle" the FCU regulary so it doesn't think that
+ *        we are gone while in fact, the machine just didn't need any fan
+ *        speed change lately
+ *
  */
 
 #include <linux/types.h>
@@ -121,7 +132,7 @@
 
 #include "therm_pm72.h"
 
-#define VERSION "1.2b2"
+#define VERSION "1.3"
 
 #undef DEBUG
 
@@ -146,6 +157,7 @@ static struct basckside_pid_params	backside_params;
 static struct backside_pid_state	backside_state;
 static struct drives_pid_state		drives_state;
 static struct dimm_pid_state		dimms_state;
+static struct slots_pid_state		slots_state;
 static int				state;
 static int				cpu_count;
 static int				cpu_pid_type;
@@ -154,7 +166,8 @@ static struct completion		ctrl_complete;
 static int				critical_state;
 static int				rackmac;
 static s32				dimm_output_clamp;
-
+static int 				fcu_rpm_shift;
+static int				fcu_tickle_ticks;
 static DECLARE_MUTEX(driver_lock);
 
 /*
@@ -495,13 +508,20 @@ static int start_fcu(void)
 	rc = fan_write_reg(0x2e, &buf, 1);
 	if (rc < 0)
 		return -EIO;
+	rc = fan_read_reg(0, &buf, 1);
+	if (rc < 0)
+		return -EIO;
+	fcu_rpm_shift = (buf == 1) ? 2 : 3;
+	printk(KERN_DEBUG "FCU Initialized, RPM fan shift is %d\n",
+	       fcu_rpm_shift);
+
 	return 0;
 }
 
 static int set_rpm_fan(int fan_index, int rpm)
 {
 	unsigned char buf[2];
-	int rc, id;
+	int rc, id, min, max;
 
 	if (fcu_fans[fan_index].type != FCU_FAN_RPM)
 		return -EINVAL;
@@ -509,12 +529,15 @@ static int set_rpm_fan(int fan_index, int rpm)
 	if (id == FCU_FAN_ABSENT_ID)
 		return -EINVAL;
 
-	if (rpm < 300)
-		rpm = 300;
-	else if (rpm > 8191)
-		rpm = 8191;
-	buf[0] = rpm >> 5;
-	buf[1] = rpm << 3;
+	min = 2400 >> fcu_rpm_shift;
+	max = 56000 >> fcu_rpm_shift;
+
+	if (rpm < min)
+		rpm = min;
+	else if (rpm > max)
+		rpm = max;
+	buf[0] = rpm >> (8 - fcu_rpm_shift);
+	buf[1] = rpm << fcu_rpm_shift;
 	rc = fan_write_reg(0x10 + (id * 2), buf, 2);
 	if (rc < 0)
 		return -EIO;
@@ -551,7 +574,7 @@ static int get_rpm_fan(int fan_index, int programmed)
 	if (rc != 2)
 		return -EIO;
 
-	return (buf[0] << 5) | buf[1] >> 3;
+	return (buf[0] << (8 - fcu_rpm_shift)) | buf[1] >> fcu_rpm_shift;
 }
 
 static int set_pwm_fan(int fan_index, int pwm)
@@ -609,6 +632,26 @@ static int get_pwm_fan(int fan_index)
 	return (buf[0] * 1000) / 2559;
 }
 
+static void tickle_fcu(void)
+{
+	int pwm;
+
+	pwm = get_pwm_fan(SLOTS_FAN_PWM_INDEX);
+
+	DBG("FCU Tickle, slots fan is: %d\n", pwm);
+	if (pwm < 0)
+		pwm = 100;
+
+	if (!rackmac) {
+		pwm = SLOTS_FAN_DEFAULT_PWM;
+	} else if (pwm < SLOTS_PID_OUTPUT_MIN)
+		pwm = SLOTS_PID_OUTPUT_MIN;
+
+	/* That is hopefully enough to make the FCU happy */
+	set_pwm_fan(SLOTS_FAN_PWM_INDEX, pwm);
+}
+
+
 /*
  * Utility routine to read the CPU calibration EEPROM data
  * from the device-tree
@@ -715,6 +758,9 @@ BUILD_SHOW_FUNC_INT(backside_fan_pwm, backside_state.pwm)
 BUILD_SHOW_FUNC_FIX(drives_temperature, drives_state.last_temp)
 BUILD_SHOW_FUNC_INT(drives_fan_rpm, drives_state.rpm)
 
+BUILD_SHOW_FUNC_FIX(slots_temperature, slots_state.last_temp)
+BUILD_SHOW_FUNC_INT(slots_fan_pwm, slots_state.pwm)
+
 BUILD_SHOW_FUNC_FIX(dimms_temperature, dimms_state.last_temp)
 
 static DEVICE_ATTR(cpu0_temperature,S_IRUGO,show_cpu0_temperature,NULL);
@@ -735,6 +781,9 @@ static DEVICE_ATTR(backside_fan_pwm,S_IRUGO,show_backside_fan_pwm,NULL);
 static DEVICE_ATTR(drives_temperature,S_IRUGO,show_drives_temperature,NULL);
 static DEVICE_ATTR(drives_fan_rpm,S_IRUGO,show_drives_fan_rpm,NULL);
 
+static DEVICE_ATTR(slots_temperature,S_IRUGO,show_slots_temperature,NULL);
+static DEVICE_ATTR(slots_fan_pwm,S_IRUGO,show_slots_fan_pwm,NULL);
+
 static DEVICE_ATTR(dimms_temperature,S_IRUGO,show_dimms_temperature,NULL);
 
 /*
@@ -1076,6 +1125,9 @@ static void do_monitor_cpu_rack(struct cpu_pid_state *state)
 	fan_min = dimm_output_clamp;
 	fan_min = max(fan_min, (int)state->mpu.rminn_intake_fan);
 
+	DBG(" CPU min mpu = %d, min dimm = %d\n",
+	    state->mpu.rminn_intake_fan, dimm_output_clamp);
+
 	state->rpm = max(state->rpm, (int)fan_min);
 	state->rpm = min(state->rpm, (int)state->mpu.rmaxn_intake_fan);
 	state->intake_rpm = state->rpm;
@@ -1374,7 +1426,8 @@ static void do_monitor_drives(struct drives_pid_state *state)
 	DBG("  current rpm: %d\n", state->rpm);
 
 	/* Get some sensor readings */
-	temp = le16_to_cpu(i2c_smbus_read_word_data(state->monitor, DS1775_TEMP)) << 8;
+	temp = le16_to_cpu(i2c_smbus_read_word_data(state->monitor,
+						    DS1775_TEMP)) << 8;
 	state->last_temp = temp;
 	DBG("  temp: %d.%03d, target: %d.%03d\n", FIX32TOPRINT(temp),
 	    FIX32TOPRINT(DRIVES_PID_INPUT_TARGET));
@@ -1575,7 +1628,7 @@ static int init_dimms_state(struct dimm_pid_state *state)
 }
 
 /*
- * Dispose of the state data for the drives control loop
+ * Dispose of the state data for the DIMM control loop
  */
 static void dispose_dimms_state(struct dimm_pid_state *state)
 {
@@ -1588,6 +1641,127 @@ static void dispose_dimms_state(struct dimm_pid_state *state)
 	state->monitor = NULL;
 }
 
+/*
+ * Slots fan control loop
+ */
+static void do_monitor_slots(struct slots_pid_state *state)
+{
+	s32 temp, integral, derivative;
+	s64 integ_p, deriv_p, prop_p, sum;
+	int i, rc;
+
+	if (--state->ticks != 0)
+		return;
+	state->ticks = SLOTS_PID_INTERVAL;
+
+	DBG("slots:\n");
+
+	/* Check fan status */
+	rc = get_pwm_fan(SLOTS_FAN_PWM_INDEX);
+	if (rc < 0) {
+		printk(KERN_WARNING "Error %d reading slots fan !\n", rc);
+		/* XXX What do we do now ? */
+	} else
+		state->pwm = rc;
+	DBG("  current pwm: %d\n", state->pwm);
+
+	/* Get some sensor readings */
+	temp = le16_to_cpu(i2c_smbus_read_word_data(state->monitor,
+						    DS1775_TEMP)) << 8;
+	state->last_temp = temp;
+	DBG("  temp: %d.%03d, target: %d.%03d\n", FIX32TOPRINT(temp),
+	    FIX32TOPRINT(SLOTS_PID_INPUT_TARGET));
+
+	/* Store temperature and error in history array */
+	state->cur_sample = (state->cur_sample + 1) % SLOTS_PID_HISTORY_SIZE;
+	state->sample_history[state->cur_sample] = temp;
+	state->error_history[state->cur_sample] = temp - SLOTS_PID_INPUT_TARGET;
+
+	/* If first loop, fill the history table */
+	if (state->first) {
+		for (i = 0; i < (SLOTS_PID_HISTORY_SIZE - 1); i++) {
+			state->cur_sample = (state->cur_sample + 1) %
+				SLOTS_PID_HISTORY_SIZE;
+			state->sample_history[state->cur_sample] = temp;
+			state->error_history[state->cur_sample] =
+				temp - SLOTS_PID_INPUT_TARGET;
+		}
+		state->first = 0;
+	}
+
+	/* Calculate the integral term */
+	sum = 0;
+	integral = 0;
+	for (i = 0; i < SLOTS_PID_HISTORY_SIZE; i++)
+		integral += state->error_history[i];
+	integral *= SLOTS_PID_INTERVAL;
+	DBG("  integral: %08x\n", integral);
+	integ_p = ((s64)SLOTS_PID_G_r) * (s64)integral;
+	DBG("   integ_p: %d\n", (int)(integ_p >> 36));
+	sum += integ_p;
+
+	/* Calculate the derivative term */
+	derivative = state->error_history[state->cur_sample] -
+		state->error_history[(state->cur_sample + SLOTS_PID_HISTORY_SIZE - 1)
+				    % SLOTS_PID_HISTORY_SIZE];
+	derivative /= SLOTS_PID_INTERVAL;
+	deriv_p = ((s64)SLOTS_PID_G_d) * (s64)derivative;
+	DBG("   deriv_p: %d\n", (int)(deriv_p >> 36));
+	sum += deriv_p;
+
+	/* Calculate the proportional term */
+	prop_p = ((s64)SLOTS_PID_G_p) * (s64)(state->error_history[state->cur_sample]);
+	DBG("   prop_p: %d\n", (int)(prop_p >> 36));
+	sum += prop_p;
+
+	/* Scale sum */
+	sum >>= 36;
+
+	DBG("   sum: %d\n", (int)sum);
+	state->pwm = (s32)sum;
+
+	state->pwm = max(state->pwm, SLOTS_PID_OUTPUT_MIN);
+	state->pwm = min(state->pwm, SLOTS_PID_OUTPUT_MAX);
+
+	DBG("** DRIVES PWM: %d\n", (int)state->pwm);
+	set_pwm_fan(SLOTS_FAN_PWM_INDEX, state->pwm);
+}
+
+/*
+ * Initialize the state structure for the slots bay fan control loop
+ */
+static int init_slots_state(struct slots_pid_state *state)
+{
+	state->ticks = 1;
+	state->first = 1;
+	state->pwm = 50;
+
+	state->monitor = attach_i2c_chip(XSERVE_SLOTS_LM75, "slots_temp");
+	if (state->monitor == NULL)
+		return -ENODEV;
+
+	device_create_file(&of_dev->dev, &dev_attr_slots_temperature);
+	device_create_file(&of_dev->dev, &dev_attr_slots_fan_pwm);
+
+	return 0;
+}
+
+/*
+ * Dispose of the state data for the slots control loop
+ */
+static void dispose_slots_state(struct slots_pid_state *state)
+{
+	if (state->monitor == NULL)
+		return;
+
+	device_remove_file(&of_dev->dev, &dev_attr_slots_temperature);
+	device_remove_file(&of_dev->dev, &dev_attr_slots_fan_pwm);
+
+	detach_i2c_chip(state->monitor);
+	state->monitor = NULL;
+}
+
+
 static int call_critical_overtemp(void)
 {
 	char *argv[] = { critical_overtemp_path, NULL };
@@ -1617,14 +1791,17 @@ static int main_control_loop(void *x)
 		goto out;
 	}
 
-	/* Set the PCI fan once for now */
-	set_pwm_fan(SLOTS_FAN_PWM_INDEX, SLOTS_FAN_DEFAULT_PWM);
+	/* Set the PCI fan once for now on non-RackMac */
+	if (!rackmac)
+		set_pwm_fan(SLOTS_FAN_PWM_INDEX, SLOTS_FAN_DEFAULT_PWM);
 
 	/* Initialize ADCs */
 	initialize_adc(&cpu_state[0]);
 	if (cpu_state[1].monitor != NULL)
 		initialize_adc(&cpu_state[1]);
 
+	fcu_tickle_ticks = FCU_TICKLE_TICKS;
+
 	up(&driver_lock);
 
 	while (state == state_attached) {
@@ -1634,6 +1811,12 @@ static int main_control_loop(void *x)
 
 		down(&driver_lock);
 
+		/* Tickle the FCU just in case */
+		if (--fcu_tickle_ticks < 0) {
+			fcu_tickle_ticks = FCU_TICKLE_TICKS;
+			tickle_fcu();
+		}
+
 		/* First, we always calculate the new DIMMs state on an Xserve */
 		if (rackmac)
 			do_monitor_dimms(&dimms_state);
@@ -1654,7 +1837,9 @@ static int main_control_loop(void *x)
 		}
 		/* Then, the rest */
 		do_monitor_backside(&backside_state);
-		if (!rackmac)
+		if (rackmac)
+			do_monitor_slots(&slots_state);
+		else
 			do_monitor_drives(&drives_state);
 		up(&driver_lock);
 
@@ -1696,6 +1881,7 @@ static void dispose_control_loops(void)
 	dispose_cpu_state(&cpu_state[1]);
 	dispose_backside_state(&backside_state);
 	dispose_drives_state(&drives_state);
+	dispose_slots_state(&slots_state);
 	dispose_dimms_state(&dimms_state);
 }
 
@@ -1745,6 +1931,8 @@ static int create_control_loops(void)
 		goto fail;
 	if (rackmac && init_dimms_state(&dimms_state))
 		goto fail;
+	if (rackmac && init_slots_state(&slots_state))
+		goto fail;
 	if (!rackmac && init_drives_state(&drives_state))
 		goto fail;
 
diff --git a/drivers/macintosh/therm_pm72.h b/drivers/macintosh/therm_pm72.h
index fc7e9b7ecaf..393cc9df94e 100644
--- a/drivers/macintosh/therm_pm72.h
+++ b/drivers/macintosh/therm_pm72.h
@@ -105,6 +105,7 @@ static char * critical_overtemp_path = "/sbin/critical_overtemp";
 #define DRIVES_DALLAS_ID	0x94
 #define BACKSIDE_MAX_ID		0x98
 #define XSERVE_DIMMS_LM87	0x25a
+#define XSERVE_SLOTS_LM75	0x290
 
 /*
  * Some MAX6690, DS1775, LM87 register definitions
@@ -198,7 +199,7 @@ struct drives_pid_state
 
 #define SLOTS_FAN_PWM_DEFAULT_ID	2
 #define SLOTS_FAN_PWM_INDEX		2
-#define	SLOTS_FAN_DEFAULT_PWM		50 /* Do better here ! */
+#define	SLOTS_FAN_DEFAULT_PWM		40 /* Do better here ! */
 
 
 /*
@@ -206,7 +207,7 @@ struct drives_pid_state
  */
 #define DIMM_PID_G_d			0
 #define DIMM_PID_G_p			0
-#define DIMM_PID_G_r			0x6553600
+#define DIMM_PID_G_r			0x06553600
 #define DIMM_PID_INPUT_TARGET		3276800
 #define DIMM_PID_INTERVAL    		1
 #define DIMM_PID_OUTPUT_MAX		14000
@@ -226,6 +227,31 @@ struct dimm_pid_state
 };
 
 
+/*
+ * PID factors for the Xserve Slots control loop
+ */
+#define SLOTS_PID_G_d			0
+#define SLOTS_PID_G_p			0
+#define SLOTS_PID_G_r			0x00100000
+#define SLOTS_PID_INPUT_TARGET		3200000
+#define SLOTS_PID_INTERVAL    		1
+#define SLOTS_PID_OUTPUT_MAX		100
+#define SLOTS_PID_OUTPUT_MIN		20
+#define SLOTS_PID_HISTORY_SIZE		20
+
+struct slots_pid_state
+{
+	int			ticks;
+	struct i2c_client *	monitor;
+	s32	       		sample_history[SLOTS_PID_HISTORY_SIZE];
+	s32			error_history[SLOTS_PID_HISTORY_SIZE];
+	int			cur_sample;
+	s32			last_temp;
+	int			first;
+	int			pwm;
+};
+
+
 
 /* Desktops */
 
@@ -283,6 +309,9 @@ struct cpu_pid_state
 	s32			pump_max;
 };
 
+/* Tickle FCU every 10 seconds */
+#define FCU_TICKLE_TICKS	10
+
 /*
  * Driver state
  */
diff --git a/drivers/macintosh/via-pmu-backlight.c b/drivers/macintosh/via-pmu-backlight.c
index b42d05f2aaf..d3f8d75bcbb 100644
--- a/drivers/macintosh/via-pmu-backlight.c
+++ b/drivers/macintosh/via-pmu-backlight.c
@@ -15,8 +15,9 @@
 
 #define MAX_PMU_LEVEL 0xFF
 
-static struct device_node *vias;
 static struct backlight_properties pmu_backlight_data;
+static spinlock_t pmu_backlight_lock;
+static int sleeping;
 
 static int pmu_backlight_get_level_brightness(struct fb_info *info,
 		int level)
@@ -40,23 +41,36 @@ static int pmu_backlight_update_status(struct backlight_device *bd)
 {
 	struct fb_info *info = class_get_devdata(&bd->class_dev);
 	struct adb_request req;
-	int pmulevel, level = bd->props->brightness;
+	unsigned long flags;
+	int level = bd->props->brightness;
 
-	if (vias == NULL)
-		return -ENODEV;
+	spin_lock_irqsave(&pmu_backlight_lock, flags);
+
+	/* Don't update brightness when sleeping */
+	if (sleeping)
+		goto out;
 
 	if (bd->props->power != FB_BLANK_UNBLANK ||
 	    bd->props->fb_blank != FB_BLANK_UNBLANK)
 		level = 0;
 
-	pmulevel = pmu_backlight_get_level_brightness(info, level);
+	if (level > 0) {
+		int pmulevel = pmu_backlight_get_level_brightness(info, level);
 
-	pmu_request(&req, NULL, 2, PMU_BACKLIGHT_BRIGHT, pmulevel);
-	pmu_wait_complete(&req);
+		pmu_request(&req, NULL, 2, PMU_BACKLIGHT_BRIGHT, pmulevel);
+		pmu_wait_complete(&req);
 
-	pmu_request(&req, NULL, 2, PMU_POWER_CTRL,
-		PMU_POW_BACKLIGHT | (level > 0 ? PMU_POW_ON : PMU_POW_OFF));
-	pmu_wait_complete(&req);
+		pmu_request(&req, NULL, 2, PMU_POWER_CTRL,
+			PMU_POW_BACKLIGHT | PMU_POW_ON);
+		pmu_wait_complete(&req);
+	} else {
+		pmu_request(&req, NULL, 2, PMU_POWER_CTRL,
+			PMU_POW_BACKLIGHT | PMU_POW_OFF);
+		pmu_wait_complete(&req);
+	}
+
+out:
+	spin_unlock_irqrestore(&pmu_backlight_lock, flags);
 
 	return 0;
 }
@@ -73,15 +87,39 @@ static struct backlight_properties pmu_backlight_data = {
 	.max_brightness	= (FB_BACKLIGHT_LEVELS - 1),
 };
 
-void __init pmu_backlight_init(struct device_node *in_vias)
+#ifdef CONFIG_PM
+static int pmu_backlight_sleep_call(struct pmu_sleep_notifier *self, int when)
+{
+	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;
+	}
+
+	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
+
+void __init pmu_backlight_init()
 {
 	struct backlight_device *bd;
 	struct fb_info *info;
 	char name[10];
 	int level, autosave;
 
-	vias = in_vias;
-
 	/* Special case for the old PowerBook since I can't test on it */
 	autosave =
 		machine_is_compatible("AAPL,3400/2400") ||
@@ -141,6 +179,10 @@ void __init pmu_backlight_init(struct device_node *in_vias)
 		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-led.c b/drivers/macintosh/via-pmu-led.c
index af8375ed0f5..5189d5454b1 100644
--- a/drivers/macintosh/via-pmu-led.c
+++ b/drivers/macintosh/via-pmu-led.c
@@ -74,7 +74,7 @@ static void pmu_led_set(struct led_classdev *led_cdev,
 
 static struct led_classdev pmu_led = {
 	.name = "pmu-front-led",
-#ifdef CONFIG_BLK_DEV_IDE_PMAC_BLINK
+#ifdef CONFIG_ADB_PMU_LED_IDE
 	.default_trigger = "ide-disk",
 #endif
 	.brightness_set = pmu_led_set,
diff --git a/drivers/macintosh/via-pmu.c b/drivers/macintosh/via-pmu.c
index 06ca80bfd6b..ea386801e21 100644
--- a/drivers/macintosh/via-pmu.c
+++ b/drivers/macintosh/via-pmu.c
@@ -16,7 +16,6 @@
  *    a sleep or a freq. switch
  *  - Move sleep code out of here to pmac_pm, merge into new
  *    common PM infrastructure
- *  - Move backlight code out as well
  *  - Save/Restore PCI space properly
  *
  */
@@ -60,9 +59,7 @@
 #include <asm/mmu_context.h>
 #include <asm/cputable.h>
 #include <asm/time.h>
-#ifdef CONFIG_PMAC_BACKLIGHT
 #include <asm/backlight.h>
-#endif
 
 #include "via-pmu-event.h"
 
@@ -177,10 +174,6 @@ static int query_batt_timer = BATTERY_POLLING_COUNT;
 static struct adb_request batt_req;
 static struct proc_dir_entry *proc_pmu_batt[PMU_MAX_BATTERIES];
 
-#if defined(CONFIG_INPUT_ADBHID) && defined(CONFIG_PMAC_BACKLIGHT)
-extern int disable_kernel_backlight;
-#endif /* defined(CONFIG_INPUT_ADBHID) && defined(CONFIG_PMAC_BACKLIGHT) */
-
 int __fake_sleep;
 int asleep;
 BLOCKING_NOTIFIER_HEAD(sleep_notifier_list);
@@ -466,7 +459,7 @@ static int __init via_pmu_dev_init(void)
 
 #ifdef CONFIG_PMAC_BACKLIGHT
 	/* Initialize backlight */
-	pmu_backlight_init(vias);
+	pmu_backlight_init();
 #endif
 
 #ifdef CONFIG_PPC32
@@ -1403,11 +1396,8 @@ next:
 	else if ((1 << pirq) & PMU_INT_SNDBRT) {
 #ifdef CONFIG_PMAC_BACKLIGHT
 		if (len == 3)
-#ifdef CONFIG_INPUT_ADBHID
-			if (!disable_kernel_backlight)
-#endif /* CONFIG_INPUT_ADBHID */
-				pmac_backlight_set_legacy_brightness(data[1] >> 4);
-#endif /* CONFIG_PMAC_BACKLIGHT */
+			pmac_backlight_set_legacy_brightness_pmu(data[1] >> 4);
+#endif
 	}
 	/* Tick interrupt */
 	else if ((1 << pirq) & PMU_INT_TICK) {
@@ -2414,7 +2404,7 @@ struct pmu_private {
 	spinlock_t lock;
 #if defined(CONFIG_INPUT_ADBHID) && defined(CONFIG_PMAC_BACKLIGHT)
 	int	backlight_locker;
-#endif /* defined(CONFIG_INPUT_ADBHID) && defined(CONFIG_PMAC_BACKLIGHT) */	
+#endif
 };
 
 static LIST_HEAD(all_pmu_pvt);
@@ -2464,7 +2454,7 @@ pmu_open(struct inode *inode, struct file *file)
 	spin_lock_irqsave(&all_pvt_lock, flags);
 #if defined(CONFIG_INPUT_ADBHID) && defined(CONFIG_PMAC_BACKLIGHT)
 	pp->backlight_locker = 0;
-#endif /* defined(CONFIG_INPUT_ADBHID) && defined(CONFIG_PMAC_BACKLIGHT) */	
+#endif
 	list_add(&pp->list, &all_pmu_pvt);
 	spin_unlock_irqrestore(&all_pvt_lock, flags);
 	file->private_data = pp;
@@ -2559,13 +2549,12 @@ pmu_release(struct inode *inode, struct file *file)
 		spin_lock_irqsave(&all_pvt_lock, flags);
 		list_del(&pp->list);
 		spin_unlock_irqrestore(&all_pvt_lock, flags);
+
 #if defined(CONFIG_INPUT_ADBHID) && defined(CONFIG_PMAC_BACKLIGHT)
-		if (pp->backlight_locker) {
-			spin_lock_irqsave(&pmu_lock, flags);
-			disable_kernel_backlight--;
-			spin_unlock_irqrestore(&pmu_lock, flags);
-		}
-#endif /* defined(CONFIG_INPUT_ADBHID) && defined(CONFIG_PMAC_BACKLIGHT) */
+		if (pp->backlight_locker)
+			pmac_backlight_enable();
+#endif
+
 		kfree(pp);
 	}
 	unlock_kernel();
@@ -2642,18 +2631,18 @@ pmu_ioctl(struct inode * inode, struct file *filp,
 #ifdef CONFIG_INPUT_ADBHID
 	case PMU_IOC_GRAB_BACKLIGHT: {
 		struct pmu_private *pp = filp->private_data;
-		unsigned long flags;
 
 		if (pp->backlight_locker)
 			return 0;
+
 		pp->backlight_locker = 1;
-		spin_lock_irqsave(&pmu_lock, flags);
-		disable_kernel_backlight++;
-		spin_unlock_irqrestore(&pmu_lock, flags);
+		pmac_backlight_disable();
+
 		return 0;
 	}
 #endif /* CONFIG_INPUT_ADBHID */
 #endif /* CONFIG_PMAC_BACKLIGHT_LEGACY */
+
 	case PMU_IOC_GET_MODEL:
 	    	return put_user(pmu_kind, argp);
 	case PMU_IOC_HAS_ADB:
diff --git a/drivers/net/myri10ge/myri10ge.c b/drivers/net/myri10ge/myri10ge.c
index 07ca9480a6f..c3e52c806b1 100644
--- a/drivers/net/myri10ge/myri10ge.c
+++ b/drivers/net/myri10ge/myri10ge.c
@@ -620,7 +620,7 @@ static int myri10ge_load_firmware(struct myri10ge_priv *mgp)
 		return -ENXIO;
 	}
 	dev_info(&mgp->pdev->dev, "handoff confirmed\n");
-	myri10ge_dummy_rdma(mgp, mgp->tx.boundary != 4096);
+	myri10ge_dummy_rdma(mgp, 1);
 
 	return 0;
 }
diff --git a/drivers/net/skge.c b/drivers/net/skge.c
index 82200bfaa8e..7de9a07b2ac 100644
--- a/drivers/net/skge.c
+++ b/drivers/net/skge.c
@@ -516,10 +516,7 @@ static int skge_set_pauseparam(struct net_device *dev,
 /* Chip internal frequency for clock calculations */
 static inline u32 hwkhz(const struct skge_hw *hw)
 {
-	if (hw->chip_id == CHIP_ID_GENESIS)
-		return 53215; /* or:  53.125 MHz */
-	else
-		return 78215; /* or:  78.125 MHz */
+	return (hw->chip_id == CHIP_ID_GENESIS) ? 53125 : 78125;
 }
 
 /* Chip HZ to microseconds */
diff --git a/drivers/net/sunlance.c b/drivers/net/sunlance.c
index 1ef9fd39a79..0e3fdf7c6dd 100644
--- a/drivers/net/sunlance.c
+++ b/drivers/net/sunlance.c
@@ -1537,7 +1537,7 @@ static int __init sparc_lance_init(void)
 {
 	if ((idprom->id_machtype == (SM_SUN4|SM_4_330)) ||
 	    (idprom->id_machtype == (SM_SUN4|SM_4_470))) {
-		memset(&sun4_sdev, 0, sizeof(sdev));
+		memset(&sun4_sdev, 0, sizeof(struct sbus_dev));
 		sun4_sdev.reg_addrs[0].phys_addr = sun4_eth_physaddr;
 		sun4_sdev.irqs[0] = 6;
 		return sparc_lance_probe_one(&sun4_sdev, NULL, NULL);
@@ -1547,16 +1547,16 @@ static int __init sparc_lance_init(void)
 
 static int __exit sunlance_sun4_remove(void)
 {
-	struct lance_private *lp = dev_get_drvdata(&sun4_sdev->dev);
+	struct lance_private *lp = dev_get_drvdata(&sun4_sdev.ofdev.dev);
 	struct net_device *net_dev = lp->dev;
 
 	unregister_netdevice(net_dev);
 
-	lance_free_hwresources(root_lance_dev);
+	lance_free_hwresources(lp);
 
 	free_netdev(net_dev);
 
-	dev_set_drvdata(&sun4_sdev->dev, NULL);
+	dev_set_drvdata(&sun4_sdev.ofdev.dev, NULL);
 
 	return 0;
 }
diff --git a/drivers/net/via-velocity.c b/drivers/net/via-velocity.c
index f5b0078eb4a..aa9cd92f46b 100644
--- a/drivers/net/via-velocity.c
+++ b/drivers/net/via-velocity.c
@@ -2742,7 +2742,7 @@ static u32 check_connection_type(struct mac_regs __iomem * regs)
 
 	if (PHYSR0 & PHYSR0_SPDG)
 		status |= VELOCITY_SPEED_1000;
-	if (PHYSR0 & PHYSR0_SPD10)
+	else if (PHYSR0 & PHYSR0_SPD10)
 		status |= VELOCITY_SPEED_10;
 	else
 		status |= VELOCITY_SPEED_100;
@@ -2851,8 +2851,17 @@ static int velocity_get_settings(struct net_device *dev, struct ethtool_cmd *cmd
 	u32 status;
 	status = check_connection_type(vptr->mac_regs);
 
-	cmd->supported = SUPPORTED_TP | SUPPORTED_Autoneg | SUPPORTED_10baseT_Half | SUPPORTED_10baseT_Full | SUPPORTED_100baseT_Half | SUPPORTED_100baseT_Full | SUPPORTED_1000baseT_Half | SUPPORTED_1000baseT_Full;
-	if (status & VELOCITY_SPEED_100)
+	cmd->supported = SUPPORTED_TP |
+			SUPPORTED_Autoneg |
+			SUPPORTED_10baseT_Half |
+			SUPPORTED_10baseT_Full |
+			SUPPORTED_100baseT_Half |
+			SUPPORTED_100baseT_Full |
+			SUPPORTED_1000baseT_Half |
+			SUPPORTED_1000baseT_Full;
+	if (status & VELOCITY_SPEED_1000)
+		cmd->speed = SPEED_1000;
+	else if (status & VELOCITY_SPEED_100)
 		cmd->speed = SPEED_100;
 	else
 		cmd->speed = SPEED_10;
@@ -2896,7 +2905,7 @@ static u32 velocity_get_link(struct net_device *dev)
 {
 	struct velocity_info *vptr = netdev_priv(dev);
 	struct mac_regs __iomem * regs = vptr->mac_regs;
-	return BYTE_REG_BITS_IS_ON(PHYSR0_LINKGD, &regs->PHYSR0)  ? 0 : 1;
+	return BYTE_REG_BITS_IS_ON(PHYSR0_LINKGD, &regs->PHYSR0) ? 1 : 0;
 }
 
 static void velocity_get_drvinfo(struct net_device *dev, struct ethtool_drvinfo *info)
diff --git a/drivers/pci/search.c b/drivers/pci/search.c
index 622b3f8ba82..f8ae2b7db0a 100644
--- a/drivers/pci/search.c
+++ b/drivers/pci/search.c
@@ -61,7 +61,7 @@ struct pci_bus * __devinit pci_find_bus(int domain, int busnr)
  * @from: Previous PCI bus found, or %NULL for new search.
  *
  * Iterates through the list of known PCI busses.  A new search is
- * initiated by passing %NULL to the @from argument.  Otherwise if
+ * initiated by passing %NULL as the @from argument.  Otherwise if
  * @from is not %NULL, searches continue from next device on the
  * global list.
  */
@@ -148,13 +148,14 @@ struct pci_dev * pci_get_slot(struct pci_bus *bus, unsigned int devfn)
  * @from: Previous PCI device found in search, or %NULL for new search.
  *
  * Iterates through the list of known PCI devices.  If a PCI device is
- * found with a matching @vendor, @device, @ss_vendor and @ss_device, a pointer to its
- * device structure is returned.  Otherwise, %NULL is returned.
- * A new search is initiated by passing %NULL to the @from argument.
- * Otherwise if @from is not %NULL, searches continue from next device on the global list.
+ * found with a matching @vendor, @device, @ss_vendor and @ss_device, a
+ * pointer to its device structure is returned.  Otherwise, %NULL is returned.
+ * A new search is initiated by passing %NULL as the @from argument.
+ * Otherwise if @from is not %NULL, searches continue from next device
+ * on the global list.
  *
- * NOTE: Do not use this function anymore, use pci_get_subsys() instead, as
- * the pci device returned by this function can disappear at any moment in
+ * NOTE: Do not use this function any more; use pci_get_subsys() instead, as
+ * the PCI device returned by this function can disappear at any moment in
  * time.
  */
 static struct pci_dev * pci_find_subsys(unsigned int vendor,
@@ -191,14 +192,15 @@ exit:
  * @device: PCI device id to match, or %PCI_ANY_ID to match all device ids
  * @from: Previous PCI device found in search, or %NULL for new search.
  *
- * Iterates through the list of known PCI devices.  If a PCI device is
- * found with a matching @vendor and @device, a pointer to its device structure is
+ * Iterates through the list of known PCI devices.  If a PCI device is found
+ * with a matching @vendor and @device, a pointer to its device structure is
  * returned.  Otherwise, %NULL is returned.
- * A new search is initiated by passing %NULL to the @from argument.
- * Otherwise if @from is not %NULL, searches continue from next device on the global list.
+ * A new search is initiated by passing %NULL as the @from argument.
+ * Otherwise if @from is not %NULL, searches continue from next device
+ * on the global list.
  * 
- * NOTE: Do not use this function anymore, use pci_get_device() instead, as
- * the pci device returned by this function can disappear at any moment in
+ * NOTE: Do not use this function any more; use pci_get_device() instead, as
+ * the PCI device returned by this function can disappear at any moment in
  * time.
  */
 struct pci_dev *
@@ -215,11 +217,11 @@ pci_find_device(unsigned int vendor, unsigned int device, const struct pci_dev *
  * @ss_device: PCI subsystem device id to match, or %PCI_ANY_ID to match all device ids
  * @from: Previous PCI device found in search, or %NULL for new search.
  *
- * Iterates through the list of known PCI devices.  If a PCI device is
- * found with a matching @vendor, @device, @ss_vendor and @ss_device, a pointer to its
+ * Iterates through the list of known PCI devices.  If a PCI device is found
+ * with a matching @vendor, @device, @ss_vendor and @ss_device, a pointer to its
  * device structure is returned, and the reference count to the device is
  * incremented.  Otherwise, %NULL is returned.  A new search is initiated by
- * passing %NULL to the @from argument.  Otherwise if @from is not %NULL,
+ * passing %NULL as the @from argument.  Otherwise if @from is not %NULL,
  * searches continue from next device on the global list.
  * The reference count for @from is always decremented if it is not %NULL.
  */
@@ -262,7 +264,7 @@ exit:
  * found with a matching @vendor and @device, the reference count to the
  * device is incremented and a pointer to its device structure is returned.
  * Otherwise, %NULL is returned.  A new search is initiated by passing %NULL
- * to the @from argument.  Otherwise if @from is not %NULL, searches continue
+ * as the @from argument.  Otherwise if @from is not %NULL, searches continue
  * from next device on the global list.  The reference count for @from is
  * always decremented if it is not %NULL.
  */
@@ -279,11 +281,13 @@ pci_get_device(unsigned int vendor, unsigned int device, struct pci_dev *from)
  * @device: PCI device id to match, or %PCI_ANY_ID to match all device ids
  * @from: Previous PCI device found in search, or %NULL for new search.
  *
- * Iterates through the list of known PCI devices in the reverse order of pci_find_device().
+ * Iterates through the list of known PCI devices in the reverse order of
+ * pci_find_device().
  * If a PCI device is found with a matching @vendor and @device, a pointer to
  * its device structure is returned.  Otherwise, %NULL is returned.
- * A new search is initiated by passing %NULL to the @from argument.
- * Otherwise if @from is not %NULL, searches continue from previous device on the global list.
+ * A new search is initiated by passing %NULL as the @from argument.
+ * Otherwise if @from is not %NULL, searches continue from previous device
+ * on the global list.
  */
 struct pci_dev *
 pci_find_device_reverse(unsigned int vendor, unsigned int device, const struct pci_dev *from)
@@ -317,7 +321,7 @@ exit:
  * found with a matching @class, the reference count to the device is
  * incremented and a pointer to its device structure is returned.
  * Otherwise, %NULL is returned.
- * A new search is initiated by passing %NULL to the @from argument.
+ * A new search is initiated by passing %NULL as the @from argument.
  * Otherwise if @from is not %NULL, searches continue from next device
  * on the global list.  The reference count for @from is always decremented
  * if it is not %NULL.
diff --git a/drivers/pcmcia/pcmcia_ioctl.c b/drivers/pcmcia/pcmcia_ioctl.c
index 738b1ef595a..9ad18e62658 100644
--- a/drivers/pcmcia/pcmcia_ioctl.c
+++ b/drivers/pcmcia/pcmcia_ioctl.c
@@ -601,12 +601,8 @@ static int ds_ioctl(struct inode * inode, struct file * file,
 	    ret = CS_BAD_ARGS;
 	else {
 	    struct pcmcia_device *p_dev = get_pcmcia_device(s, buf->config.Function);
-	    if (p_dev == NULL)
-		    ret = CS_BAD_ARGS;
-	    else {
-		    ret = pccard_get_configuration_info(s, p_dev, &buf->config);
-		    pcmcia_put_dev(p_dev);
-	    }
+	    ret = pccard_get_configuration_info(s, p_dev, &buf->config);
+	    pcmcia_put_dev(p_dev);
 	}
 	break;
     case DS_GET_FIRST_TUPLE:
@@ -636,12 +632,8 @@ static int ds_ioctl(struct inode * inode, struct file * file,
 		    ret = CS_BAD_ARGS;
 	    else {
 		    struct pcmcia_device *p_dev = get_pcmcia_device(s, buf->status.Function);
-		    if (p_dev == NULL)
-			    ret = CS_BAD_ARGS;
-		    else {
-			    ret = pccard_get_status(s, p_dev, &buf->status);
-			    pcmcia_put_dev(p_dev);
-		    }
+		    ret = pccard_get_status(s, p_dev, &buf->status);
+		    pcmcia_put_dev(p_dev);
 	    }
 	    break;
     case DS_VALIDATE_CIS:
diff --git a/drivers/pcmcia/pcmcia_resource.c b/drivers/pcmcia/pcmcia_resource.c
index 7bf25b88ea3..c8323399e9e 100644
--- a/drivers/pcmcia/pcmcia_resource.c
+++ b/drivers/pcmcia/pcmcia_resource.c
@@ -245,10 +245,17 @@ int pccard_get_configuration_info(struct pcmcia_socket *s,
 		return CS_SUCCESS;
 	}
 
-	/* !!! This is a hack !!! */
-	memcpy(&config->Attributes, &c->Attributes, sizeof(config_t));
-	config->Attributes |= CONF_VALID_CLIENT;
-	config->CardValues = c->CardValues;
+	config->Attributes = c->Attributes | CONF_VALID_CLIENT;
+	config->Vcc = s->socket.Vcc;
+	config->Vpp1 = config->Vpp2 = s->socket.Vpp;
+	config->IntType = c->IntType;
+	config->ConfigBase = c->ConfigBase;
+	config->Status = c->Status;
+	config->Pin = c->Pin;
+	config->Copy = c->Copy;
+	config->Option = c->Option;
+	config->ExtStatus = c->ExtStatus;
+	config->Present = config->CardValues = c->CardValues;
 	config->IRQAttributes = c->irq.Attributes;
 	config->AssignedIRQ = s->irq.AssignedIRQ;
 	config->BasePort1 = c->io.BasePort1;
diff --git a/drivers/pnp/pnpbios/core.c b/drivers/pnp/pnpbios/core.c
index b154b3f52cb..551f58e2981 100644
--- a/drivers/pnp/pnpbios/core.c
+++ b/drivers/pnp/pnpbios/core.c
@@ -346,7 +346,7 @@ static int insert_device(struct pnp_dev *dev, struct pnp_bios_node * node)
 	dev->flags = node->flags;
 	if (!(dev->flags & PNPBIOS_NO_CONFIG))
 		dev->capabilities |= PNP_CONFIGURABLE;
-	if (!(dev->flags & PNPBIOS_NO_DISABLE))
+	if (!(dev->flags & PNPBIOS_NO_DISABLE) && pnpbios_is_dynamic(dev))
 		dev->capabilities |= PNP_DISABLE;
 	dev->capabilities |= PNP_READ;
 	if (pnpbios_is_dynamic(dev))
diff --git a/drivers/s390/cio/ccwgroup.c b/drivers/s390/cio/ccwgroup.c
index f26a2ee3aad..3cba6c9fab1 100644
--- a/drivers/s390/cio/ccwgroup.c
+++ b/drivers/s390/cio/ccwgroup.c
@@ -152,7 +152,6 @@ ccwgroup_create(struct device *root,
 	struct ccwgroup_device *gdev;
 	int i;
 	int rc;
-	int del_drvdata;
 
 	if (argc > 256) /* disallow dumb users */
 		return -EINVAL;
@@ -163,7 +162,6 @@ ccwgroup_create(struct device *root,
 
 	atomic_set(&gdev->onoff, 0);
 
-	del_drvdata = 0;
 	for (i = 0; i < argc; i++) {
 		gdev->cdev[i] = get_ccwdev_by_busid(cdrv, argv[i]);
 
@@ -180,10 +178,8 @@ ccwgroup_create(struct device *root,
 			rc = -EINVAL;
 			goto free_dev;
 		}
-	}
-	for (i = 0; i < argc; i++)
 		gdev->cdev[i]->dev.driver_data = gdev;
-	del_drvdata = 1;
+	}
 
 	gdev->creator_id = creator_id;
 	gdev->count = argc;
@@ -226,9 +222,9 @@ error:
 free_dev:
 	for (i = 0; i < argc; i++)
 		if (gdev->cdev[i]) {
-			put_device(&gdev->cdev[i]->dev);
-			if (del_drvdata)
+			if (gdev->cdev[i]->dev.driver_data == gdev)
 				gdev->cdev[i]->dev.driver_data = NULL;
+			put_device(&gdev->cdev[i]->dev);
 		}
 	kfree(gdev);
 	return rc;
diff --git a/drivers/s390/cio/device_fsm.c b/drivers/s390/cio/device_fsm.c
index ac6e0c7e43d..7a39e0b0386 100644
--- a/drivers/s390/cio/device_fsm.c
+++ b/drivers/s390/cio/device_fsm.c
@@ -152,7 +152,8 @@ ccw_device_cancel_halt_clear(struct ccw_device *cdev)
 		if (cdev->private->iretry) {
 			cdev->private->iretry--;
 			ret = cio_halt(sch);
-			return (ret == 0) ? -EBUSY : ret;
+			if (ret != -EBUSY)
+				return (ret == 0) ? -EBUSY : ret;
 		}
 		/* halt io unsuccessful. */
 		cdev->private->iretry = 255;	/* 255 clear retries. */
diff --git a/drivers/scsi/libata-eh.c b/drivers/scsi/libata-eh.c
index 4b6aa30f4d6..29f59345305 100644
--- a/drivers/scsi/libata-eh.c
+++ b/drivers/scsi/libata-eh.c
@@ -764,12 +764,27 @@ static void ata_eh_about_to_do(struct ata_port *ap, struct ata_device *dev,
 			       unsigned int action)
 {
 	unsigned long flags;
+	struct ata_eh_info *ehi = &ap->eh_info;
+	struct ata_eh_context *ehc = &ap->eh_context;
 
 	spin_lock_irqsave(ap->lock, flags);
 
-	ata_eh_clear_action(dev, &ap->eh_info, action);
+	/* Reset is represented by combination of actions and EHI
+	 * flags.  Suck in all related bits before clearing eh_info to
+	 * avoid losing requested action.
+	 */
+	if (action & ATA_EH_RESET_MASK) {
+		ehc->i.action |= ehi->action & ATA_EH_RESET_MASK;
+		ehc->i.flags |= ehi->flags & ATA_EHI_RESET_MODIFIER_MASK;
+
+		/* make sure all reset actions are cleared & clear EHI flags */
+		action |= ATA_EH_RESET_MASK;
+		ehi->flags &= ~ATA_EHI_RESET_MODIFIER_MASK;
+	}
+
+	ata_eh_clear_action(dev, ehi, action);
 
-	if (!(ap->eh_context.i.flags & ATA_EHI_QUIET))
+	if (!(ehc->i.flags & ATA_EHI_QUIET))
 		ap->pflags |= ATA_PFLAG_RECOVERED;
 
 	spin_unlock_irqrestore(ap->lock, flags);
@@ -790,6 +805,12 @@ static void ata_eh_about_to_do(struct ata_port *ap, struct ata_device *dev,
 static void ata_eh_done(struct ata_port *ap, struct ata_device *dev,
 			unsigned int action)
 {
+	/* if reset is complete, clear all reset actions & reset modifier */
+	if (action & ATA_EH_RESET_MASK) {
+		action |= ATA_EH_RESET_MASK;
+		ap->eh_context.i.flags &= ~ATA_EHI_RESET_MODIFIER_MASK;
+	}
+
 	ata_eh_clear_action(dev, &ap->eh_context.i, action);
 }
 
@@ -1276,8 +1297,6 @@ static int ata_eh_speed_down(struct ata_device *dev, int is_io,
 static void ata_eh_autopsy(struct ata_port *ap)
 {
 	struct ata_eh_context *ehc = &ap->eh_context;
-	unsigned int action = ehc->i.action;
-	struct ata_device *failed_dev = NULL;
 	unsigned int all_err_mask = 0;
 	int tag, is_io = 0;
 	u32 serror;
@@ -1294,7 +1313,7 @@ static void ata_eh_autopsy(struct ata_port *ap)
 		ehc->i.serror |= serror;
 		ata_eh_analyze_serror(ap);
 	} else if (rc != -EOPNOTSUPP)
-		action |= ATA_EH_HARDRESET;
+		ehc->i.action |= ATA_EH_HARDRESET;
 
 	/* analyze NCQ failure */
 	ata_eh_analyze_ncq_error(ap);
@@ -1315,7 +1334,7 @@ static void ata_eh_autopsy(struct ata_port *ap)
 		qc->err_mask |= ehc->i.err_mask;
 
 		/* analyze TF */
-		action |= ata_eh_analyze_tf(qc, &qc->result_tf);
+		ehc->i.action |= ata_eh_analyze_tf(qc, &qc->result_tf);
 
 		/* DEV errors are probably spurious in case of ATA_BUS error */
 		if (qc->err_mask & AC_ERR_ATA_BUS)
@@ -1329,11 +1348,11 @@ static void ata_eh_autopsy(struct ata_port *ap)
 		/* SENSE_VALID trumps dev/unknown error and revalidation */
 		if (qc->flags & ATA_QCFLAG_SENSE_VALID) {
 			qc->err_mask &= ~(AC_ERR_DEV | AC_ERR_OTHER);
-			action &= ~ATA_EH_REVALIDATE;
+			ehc->i.action &= ~ATA_EH_REVALIDATE;
 		}
 
 		/* accumulate error info */
-		failed_dev = qc->dev;
+		ehc->i.dev = qc->dev;
 		all_err_mask |= qc->err_mask;
 		if (qc->flags & ATA_QCFLAG_IO)
 			is_io = 1;
@@ -1342,25 +1361,22 @@ static void ata_eh_autopsy(struct ata_port *ap)
 	/* enforce default EH actions */
 	if (ap->pflags & ATA_PFLAG_FROZEN ||
 	    all_err_mask & (AC_ERR_HSM | AC_ERR_TIMEOUT))
-		action |= ATA_EH_SOFTRESET;
+		ehc->i.action |= ATA_EH_SOFTRESET;
 	else if (all_err_mask)
-		action |= ATA_EH_REVALIDATE;
+		ehc->i.action |= ATA_EH_REVALIDATE;
 
 	/* if we have offending qcs and the associated failed device */
-	if (failed_dev) {
+	if (ehc->i.dev) {
 		/* speed down */
-		action |= ata_eh_speed_down(failed_dev, is_io, all_err_mask);
+		ehc->i.action |= ata_eh_speed_down(ehc->i.dev, is_io,
+						   all_err_mask);
 
 		/* perform per-dev EH action only on the offending device */
-		ehc->i.dev_action[failed_dev->devno] |=
-			action & ATA_EH_PERDEV_MASK;
-		action &= ~ATA_EH_PERDEV_MASK;
+		ehc->i.dev_action[ehc->i.dev->devno] |=
+			ehc->i.action & ATA_EH_PERDEV_MASK;
+		ehc->i.action &= ~ATA_EH_PERDEV_MASK;
 	}
 
-	/* record autopsy result */
-	ehc->i.dev = failed_dev;
-	ehc->i.action |= action;
-
 	DPRINTK("EXIT\n");
 }
 
@@ -1483,6 +1499,9 @@ static int ata_eh_reset(struct ata_port *ap, int classify,
 	ata_reset_fn_t reset;
 	int i, did_followup_srst, rc;
 
+	/* about to reset */
+	ata_eh_about_to_do(ap, NULL, ehc->i.action & ATA_EH_RESET_MASK);
+
 	/* Determine which reset to use and record in ehc->i.action.
 	 * prereset() may examine and modify it.
 	 */
@@ -1531,8 +1550,7 @@ static int ata_eh_reset(struct ata_port *ap, int classify,
 		ata_port_printk(ap, KERN_INFO, "%s resetting port\n",
 				reset == softreset ? "soft" : "hard");
 
-	/* reset */
-	ata_eh_about_to_do(ap, NULL, ATA_EH_RESET_MASK);
+	/* mark that this EH session started with reset */
 	ehc->i.flags |= ATA_EHI_DID_RESET;
 
 	rc = ata_do_reset(ap, reset, classes);
@@ -1595,7 +1613,7 @@ static int ata_eh_reset(struct ata_port *ap, int classify,
 			postreset(ap, classes);
 
 		/* reset successful, schedule revalidation */
-		ata_eh_done(ap, NULL, ATA_EH_RESET_MASK);
+		ata_eh_done(ap, NULL, ehc->i.action & ATA_EH_RESET_MASK);
 		ehc->i.action |= ATA_EH_REVALIDATE;
 	}
 
@@ -1848,15 +1866,16 @@ static int ata_eh_skip_recovery(struct ata_port *ap)
 	for (i = 0; i < ata_port_max_devices(ap); i++) {
 		struct ata_device *dev = &ap->device[i];
 
-		if (ata_dev_absent(dev) || ata_dev_ready(dev))
+		if (!(dev->flags & ATA_DFLAG_SUSPENDED))
 			break;
 	}
 
 	if (i == ata_port_max_devices(ap))
 		return 1;
 
-	/* always thaw frozen port and recover failed devices */
-	if (ap->pflags & ATA_PFLAG_FROZEN || ata_port_nr_enabled(ap))
+	/* thaw frozen port, resume link and recover failed devices */
+	if ((ap->pflags & ATA_PFLAG_FROZEN) ||
+	    (ehc->i.flags & ATA_EHI_RESUME_LINK) || ata_port_nr_enabled(ap))
 		return 0;
 
 	/* skip if class codes for all vacant slots are ATA_DEV_NONE */
diff --git a/drivers/scsi/sata_promise.c b/drivers/scsi/sata_promise.c
index 64631bd3895..4776f4e5583 100644
--- a/drivers/scsi/sata_promise.c
+++ b/drivers/scsi/sata_promise.c
@@ -269,8 +269,15 @@ static const struct pci_device_id pdc_ata_pci_tbl[] = {
 	{ PCI_VENDOR_ID_PROMISE, 0x6629, PCI_ANY_ID, PCI_ANY_ID, 0, 0,
 	  board_20619 },
 
+/* TODO: remove all associated board_20771 code, as it completely
+ * duplicates board_2037x code, unless reason for separation can be
+ * divined.
+ */
+#if 0
 	{ PCI_VENDOR_ID_PROMISE, 0x3570, PCI_ANY_ID, PCI_ANY_ID, 0, 0,
 	  board_20771 },
+#endif
+
 	{ }	/* terminate list */
 };
 
diff --git a/drivers/scsi/scsi_ioctl.c b/drivers/scsi/scsi_ioctl.c
index a89c4115cfb..32293f45166 100644
--- a/drivers/scsi/scsi_ioctl.c
+++ b/drivers/scsi/scsi_ioctl.c
@@ -110,11 +110,8 @@ static int ioctl_internal_command(struct scsi_device *sdev, char *cmd,
 				       sshdr.asc, sshdr.ascq);
 			break;
 		case NOT_READY:	/* This happens if there is no disc in drive */
-			if (sdev->removable && (cmd[0] != TEST_UNIT_READY)) {
-				printk(KERN_INFO "Device not ready. Make sure"
-				       " there is a disc in the drive.\n");
+			if (sdev->removable)
 				break;
-			}
 		case UNIT_ATTENTION:
 			if (sdev->removable) {
 				sdev->changed = 1;
diff --git a/drivers/video/Kconfig b/drivers/video/Kconfig
index 6533b0f3923..c40b9b8b1e7 100644
--- a/drivers/video/Kconfig
+++ b/drivers/video/Kconfig
@@ -86,9 +86,11 @@ config FB_MACMODES
        default n
 
 config FB_BACKLIGHT
-       bool
-       depends on FB
-       default n
+	bool
+	depends on FB
+	select BACKLIGHT_LCD_SUPPORT
+	select BACKLIGHT_CLASS_DEVICE
+	default n
 
 config FB_MODE_HELPERS
         bool "Enable Video Mode Handling Helpers"
@@ -420,7 +422,7 @@ config FB_OF
 
 config FB_CONTROL
 	bool "Apple \"control\" display support"
-	depends on (FB = y) && PPC_PMAC
+	depends on (FB = y) && PPC_PMAC && PPC32
 	select FB_CFB_FILLRECT
 	select FB_CFB_COPYAREA
 	select FB_CFB_IMAGEBLIT
@@ -431,7 +433,7 @@ config FB_CONTROL
 
 config FB_PLATINUM
 	bool "Apple \"platinum\" display support"
-	depends on (FB = y) && PPC_PMAC
+	depends on (FB = y) && PPC_PMAC && PPC32
 	select FB_CFB_FILLRECT
 	select FB_CFB_COPYAREA
 	select FB_CFB_IMAGEBLIT
@@ -442,7 +444,7 @@ config FB_PLATINUM
 
 config FB_VALKYRIE
 	bool "Apple \"valkyrie\" display support"
-	depends on (FB = y) && (MAC || PPC_PMAC)
+	depends on (FB = y) && (MAC || (PPC_PMAC && PPC32))
 	select FB_CFB_FILLRECT
 	select FB_CFB_COPYAREA
 	select FB_CFB_IMAGEBLIT
@@ -453,7 +455,7 @@ config FB_VALKYRIE
 
 config FB_CT65550
 	bool "Chips 65550 display support"
-	depends on (FB = y) && PPC
+	depends on (FB = y) && PPC32
 	select FB_CFB_FILLRECT
 	select FB_CFB_COPYAREA
 	select FB_CFB_IMAGEBLIT
@@ -721,10 +723,8 @@ config FB_NVIDIA_I2C
 
 config FB_NVIDIA_BACKLIGHT
 	bool "Support for backlight control"
-	depends on FB_NVIDIA && PPC_PMAC
+	depends on FB_NVIDIA && PMAC_BACKLIGHT
 	select FB_BACKLIGHT
-	select BACKLIGHT_LCD_SUPPORT
-	select BACKLIGHT_CLASS_DEVICE
 	default y
 	help
 	  Say Y here if you want to control the backlight of your display.
@@ -769,10 +769,8 @@ config FB_RIVA_DEBUG
 
 config FB_RIVA_BACKLIGHT
 	bool "Support for backlight control"
-	depends on FB_RIVA && PPC_PMAC
+	depends on FB_RIVA && PMAC_BACKLIGHT
 	select FB_BACKLIGHT
-	select BACKLIGHT_LCD_SUPPORT
-	select BACKLIGHT_CLASS_DEVICE
 	default y
 	help
 	  Say Y here if you want to control the backlight of your display.
@@ -1025,10 +1023,8 @@ config FB_RADEON_I2C
 
 config FB_RADEON_BACKLIGHT
 	bool "Support for backlight control"
-	depends on FB_RADEON && PPC_PMAC
+	depends on FB_RADEON && PMAC_BACKLIGHT
 	select FB_BACKLIGHT
-	select BACKLIGHT_LCD_SUPPORT
-	select BACKLIGHT_CLASS_DEVICE
 	default y
 	help
 	  Say Y here if you want to control the backlight of your display.
@@ -1059,10 +1055,8 @@ config FB_ATY128
 
 config FB_ATY128_BACKLIGHT
 	bool "Support for backlight control"
-	depends on FB_ATY128 && PPC_PMAC
+	depends on FB_ATY128 && PMAC_BACKLIGHT
 	select FB_BACKLIGHT
-	select BACKLIGHT_LCD_SUPPORT
-	select BACKLIGHT_CLASS_DEVICE
 	default y
 	help
 	  Say Y here if you want to control the backlight of your display.
@@ -1111,10 +1105,8 @@ config FB_ATY_GX
 
 config FB_ATY_BACKLIGHT
 	bool "Support for backlight control"
-	depends on FB_ATY && PPC_PMAC
+	depends on FB_ATY && PMAC_BACKLIGHT
 	select FB_BACKLIGHT
-	select BACKLIGHT_LCD_SUPPORT
-	select BACKLIGHT_CLASS_DEVICE
 	default y
 	help
 	  Say Y here if you want to control the backlight of your display.
@@ -1620,7 +1612,7 @@ if FB || SGI_NEWPORT_CONSOLE
 	source "drivers/video/logo/Kconfig"
 endif
 
-if FB && SYSFS
+if SYSFS
 	source "drivers/video/backlight/Kconfig"
 endif
 
diff --git a/drivers/video/Makefile b/drivers/video/Makefile
index 95563c9c6b9..481c6c9695f 100644
--- a/drivers/video/Makefile
+++ b/drivers/video/Makefile
@@ -4,6 +4,7 @@
 
 # Each configuration option enables a list of files.
 
+obj-y                             += fb_notify.o
 obj-$(CONFIG_FB)                  += fb.o
 fb-y                              := fbmem.o fbmon.o fbcmap.o fbsysfs.o \
                                      modedb.o fbcvt.o
diff --git a/drivers/video/aty/aty128fb.c b/drivers/video/aty/aty128fb.c
index c64a717e2d4..8b08121b390 100644
--- a/drivers/video/aty/aty128fb.c
+++ b/drivers/video/aty/aty128fb.c
@@ -455,7 +455,10 @@ static void do_wait_for_fifo(u16 entries, struct aty128fb_par *par);
 static void wait_for_fifo(u16 entries, struct aty128fb_par *par);
 static void wait_for_idle(struct aty128fb_par *par);
 static u32 depth_to_dst(u32 depth);
+
+#ifdef CONFIG_FB_ATY128_BACKLIGHT
 static void aty128_bl_set_power(struct fb_info *info, int power);
+#endif
 
 #define BIOS_IN8(v)  	(readb(bios + (v)))
 #define BIOS_IN16(v) 	(readb(bios + (v)) | \
diff --git a/drivers/video/aty/atyfb_base.c b/drivers/video/aty/atyfb_base.c
index 1507d19f481..053ff63365b 100644
--- a/drivers/video/aty/atyfb_base.c
+++ b/drivers/video/aty/atyfb_base.c
@@ -2812,7 +2812,7 @@ static int atyfb_blank(int blank, struct fb_info *info)
 	if (par->lock_blank || par->asleep)
 		return 0;
 
-#ifdef CONFIG_PMAC_BACKLIGHT
+#ifdef CONFIG_FB_ATY_BACKLIGHT
 	if (machine_is(powermac) && blank > FB_BLANK_NORMAL)
 		aty_bl_set_power(info, FB_BLANK_POWERDOWN);
 #elif defined(CONFIG_FB_ATY_GENERIC_LCD)
@@ -2844,7 +2844,7 @@ static int atyfb_blank(int blank, struct fb_info *info)
 	}
 	aty_st_le32(CRTC_GEN_CNTL, gen_cntl, par);
 
-#ifdef CONFIG_PMAC_BACKLIGHT
+#ifdef CONFIG_FB_ATY_BACKLIGHT
 	if (machine_is(powermac) && blank <= FB_BLANK_NORMAL)
 		aty_bl_set_power(info, FB_BLANK_UNBLANK);
 #elif defined(CONFIG_FB_ATY_GENERIC_LCD)
diff --git a/drivers/video/aty/radeon_base.c b/drivers/video/aty/radeon_base.c
index 8d85fc58142..8e3400d5dd2 100644
--- a/drivers/video/aty/radeon_base.c
+++ b/drivers/video/aty/radeon_base.c
@@ -266,6 +266,8 @@ static int force_measure_pll = 0;
 #ifdef CONFIG_MTRR
 static int nomtrr = 0;
 #endif
+static int force_sleep;
+static int ignore_devlist;
 
 /*
  * prototypes
@@ -2327,9 +2329,9 @@ static int __devinit radeonfb_pci_register (struct pci_dev *pdev,
 		/* -2 is special: means  ON on mobility chips and do not
 		 * change on others
 		 */
-		radeonfb_pm_init(rinfo, rinfo->is_mobility ? 1 : -1);
+		radeonfb_pm_init(rinfo, rinfo->is_mobility ? 1 : -1, ignore_devlist, force_sleep);
 	} else
-		radeonfb_pm_init(rinfo, default_dynclk);
+		radeonfb_pm_init(rinfo, default_dynclk, ignore_devlist, force_sleep);
 
 	pci_set_drvdata(pdev, info);
 
@@ -2477,6 +2479,12 @@ static int __init radeonfb_setup (char *options)
 			force_measure_pll = 1;
 		} else if (!strncmp(this_opt, "ignore_edid", 11)) {
 			ignore_edid = 1;
+#if defined(CONFIG_PM) && defined(CONFIG_X86)
+	 	} else if (!strncmp(this_opt, "force_sleep", 11)) {
+			force_sleep = 1;
+		} else if (!strncmp(this_opt, "ignore_devlist", 14)) {
+			ignore_devlist = 1;
+#endif
 		} else
 			mode_option = this_opt;
 	}
@@ -2532,3 +2540,9 @@ module_param(panel_yres, int, 0);
 MODULE_PARM_DESC(panel_yres, "int: set panel yres");
 module_param(mode_option, charp, 0);
 MODULE_PARM_DESC(mode_option, "Specify resolution as \"<xres>x<yres>[-<bpp>][@<refresh>]\" ");
+#if defined(CONFIG_PM) && defined(CONFIG_X86)
+module_param(force_sleep, bool, 0);
+MODULE_PARM_DESC(force_sleep, "bool: force D2 sleep mode on all hardware");
+module_param(ignore_devlist, bool, 0);
+MODULE_PARM_DESC(ignore_devlist, "bool: ignore workarounds for bugs in specific laptops");
+#endif
diff --git a/drivers/video/aty/radeon_pm.c b/drivers/video/aty/radeon_pm.c
index c7091761cef..f31e606a2de 100644
--- a/drivers/video/aty/radeon_pm.c
+++ b/drivers/video/aty/radeon_pm.c
@@ -27,6 +27,99 @@
 
 #include "ati_ids.h"
 
+static void radeon_reinitialize_M10(struct radeonfb_info *rinfo);
+
+/*
+ * Workarounds for bugs in PC laptops:
+ * - enable D2 sleep in some IBM Thinkpads
+ * - special case for Samsung P35
+ *
+ * Whitelist by subsystem vendor/device because
+ * its the subsystem vendor's fault!
+ */
+
+#if defined(CONFIG_PM) && defined(CONFIG_X86)
+struct radeon_device_id {
+        const char *ident;                     /* (arbitrary) Name */
+        const unsigned short subsystem_vendor; /* Subsystem Vendor ID */
+        const unsigned short subsystem_device; /* Subsystem Device ID */
+	const enum radeon_pm_mode pm_mode_modifier; /* modify pm_mode */
+	const reinit_function_ptr new_reinit_func;   /* changed reinit_func */
+};
+
+#define BUGFIX(model, sv, sd, pm, fn) { \
+	.ident = model, \
+	.subsystem_vendor = sv, \
+	.subsystem_device = sd, \
+	.pm_mode_modifier = pm, \
+	.new_reinit_func  = fn  \
+}
+
+static struct radeon_device_id radeon_workaround_list[] = {
+	BUGFIX("IBM Thinkpad R32",
+	       PCI_VENDOR_ID_IBM, 0x1905,
+	       radeon_pm_d2, NULL),
+	BUGFIX("IBM Thinkpad R40",
+	       PCI_VENDOR_ID_IBM, 0x0526,
+	       radeon_pm_d2, NULL),
+	BUGFIX("IBM Thinkpad R40",
+	       PCI_VENDOR_ID_IBM, 0x0527,
+	       radeon_pm_d2, NULL),
+	BUGFIX("IBM Thinkpad R50/R51/T40/T41",
+	       PCI_VENDOR_ID_IBM, 0x0531,
+	       radeon_pm_d2, NULL),
+	BUGFIX("IBM Thinkpad R51/T40/T41/T42",
+	       PCI_VENDOR_ID_IBM, 0x0530,
+	       radeon_pm_d2, NULL),
+	BUGFIX("IBM Thinkpad T30",
+	       PCI_VENDOR_ID_IBM, 0x0517,
+	       radeon_pm_d2, NULL),
+	BUGFIX("IBM Thinkpad T40p",
+	       PCI_VENDOR_ID_IBM, 0x054d,
+	       radeon_pm_d2, NULL),
+	BUGFIX("IBM Thinkpad T42",
+	       PCI_VENDOR_ID_IBM, 0x0550,
+	       radeon_pm_d2, NULL),
+	BUGFIX("IBM Thinkpad X31/X32",
+	       PCI_VENDOR_ID_IBM, 0x052f,
+	       radeon_pm_d2, NULL),
+	BUGFIX("Samsung P35",
+	       PCI_VENDOR_ID_SAMSUNG, 0xc00c,
+	       radeon_pm_off, radeon_reinitialize_M10),
+	{ .ident = NULL }
+};
+
+static int radeon_apply_workarounds(struct radeonfb_info *rinfo)
+{
+	struct radeon_device_id *id;
+
+	for (id = radeon_workaround_list; id->ident != NULL; id++ )
+		if ((id->subsystem_vendor == rinfo->pdev->subsystem_vendor ) &&
+		    (id->subsystem_device == rinfo->pdev->subsystem_device )) {
+
+			/* we found a device that requires workaround */
+			printk(KERN_DEBUG "radeonfb: %s detected"
+			       ", enabling workaround\n", id->ident);
+
+			rinfo->pm_mode |= id->pm_mode_modifier;
+
+			if (id->new_reinit_func != NULL)
+				rinfo->reinit_func = id->new_reinit_func;
+
+			return 1;
+		}
+	return 0;  /* not found */
+}
+
+#else  /* defined(CONFIG_PM) && defined(CONFIG_X86) */
+static inline int radeon_apply_workarounds(struct radeonfb_info *rinfo)
+{
+        return 0;
+}
+#endif /* defined(CONFIG_PM) && defined(CONFIG_X86) */
+
+
+
 static void radeon_pm_disable_dynamic_mode(struct radeonfb_info *rinfo)
 {
 	u32 tmp;
@@ -852,18 +945,26 @@ static void radeon_pm_setup_for_suspend(struct radeonfb_info *rinfo)
 	/* because both INPLL and OUTPLL take the same lock, that's why. */
 	tmp = INPLL( pllMCLK_MISC) | MCLK_MISC__EN_MCLK_TRISTATE_IN_SUSPEND;
 	OUTPLL( pllMCLK_MISC, tmp);
-	
-	/* AGP PLL control */
-	if (rinfo->family <= CHIP_FAMILY_RV280) {
-		OUTREG(BUS_CNTL1, INREG(BUS_CNTL1) |  BUS_CNTL1__AGPCLK_VALID);
 
-		OUTREG(BUS_CNTL1,
-		       (INREG(BUS_CNTL1) & ~BUS_CNTL1__MOBILE_PLATFORM_SEL_MASK)
-		       | (2<<BUS_CNTL1__MOBILE_PLATFORM_SEL__SHIFT));	// 440BX
-	} else {
-		OUTREG(BUS_CNTL1, INREG(BUS_CNTL1));
-		OUTREG(BUS_CNTL1, (INREG(BUS_CNTL1) & ~0x4000) | 0x8000);
+	/* BUS_CNTL1__MOBILE_PLATORM_SEL setting is northbridge chipset
+	 * and radeon chip dependent. Thus we only enable it on Mac for
+	 * now (until we get more info on how to compute the correct
+	 * value for various X86 bridges).
+	 */
+#ifdef CONFIG_PPC_PMAC
+	if (machine_is(powermac)) {
+		/* AGP PLL control */
+		if (rinfo->family <= CHIP_FAMILY_RV280) {
+			OUTREG(BUS_CNTL1, INREG(BUS_CNTL1) |  BUS_CNTL1__AGPCLK_VALID);
+			OUTREG(BUS_CNTL1,
+			       (INREG(BUS_CNTL1) & ~BUS_CNTL1__MOBILE_PLATFORM_SEL_MASK)
+			       | (2<<BUS_CNTL1__MOBILE_PLATFORM_SEL__SHIFT));	// 440BX
+		} else {
+			OUTREG(BUS_CNTL1, INREG(BUS_CNTL1));
+			OUTREG(BUS_CNTL1, (INREG(BUS_CNTL1) & ~0x4000) | 0x8000);
+		}
 	}
+#endif
 
 	OUTREG(CRTC_OFFSET_CNTL, (INREG(CRTC_OFFSET_CNTL)
 				  & ~CRTC_OFFSET_CNTL__CRTC_STEREO_SYNC_OUT_EN));
@@ -2713,7 +2814,7 @@ static void radeonfb_early_resume(void *data)
 
 #endif /* CONFIG_PM */
 
-void radeonfb_pm_init(struct radeonfb_info *rinfo, int dynclk)
+void radeonfb_pm_init(struct radeonfb_info *rinfo, int dynclk, int ignore_devlist, int force_sleep)
 {
 	/* Find PM registers in config space if any*/
 	rinfo->pm_reg = pci_find_capability(rinfo->pdev, PCI_CAP_ID_PM);
@@ -2729,22 +2830,13 @@ void radeonfb_pm_init(struct radeonfb_info *rinfo, int dynclk)
 	}
 
 #if defined(CONFIG_PM)
+#if defined(CONFIG_PPC_PMAC)
 	/* Check if we can power manage on suspend/resume. We can do
 	 * D2 on M6, M7 and M9, and we can resume from D3 cold a few other
 	 * "Mac" cards, but that's all. We need more infos about what the
 	 * BIOS does tho. Right now, all this PM stuff is pmac-only for that
 	 * reason. --BenH
 	 */
-	/* Special case for Samsung P35 laptops
-	 */
-	if ((rinfo->pdev->vendor == PCI_VENDOR_ID_ATI) &&
-	    (rinfo->pdev->device == PCI_CHIP_RV350_NP) &&
-	    (rinfo->pdev->subsystem_vendor == PCI_VENDOR_ID_SAMSUNG) &&
-	    (rinfo->pdev->subsystem_device == 0xc00c)) {
-		rinfo->reinit_func = radeon_reinitialize_M10;
-		rinfo->pm_mode |= radeon_pm_off;
-	}
-#if defined(CONFIG_PPC_PMAC)
 	if (machine_is(powermac) && rinfo->of_node) {
 		if (rinfo->is_mobility && rinfo->pm_reg &&
 		    rinfo->family <= CHIP_FAMILY_RV250)
@@ -2790,6 +2882,18 @@ void radeonfb_pm_init(struct radeonfb_info *rinfo, int dynclk)
 	}
 #endif /* defined(CONFIG_PPC_PMAC) */
 #endif /* defined(CONFIG_PM) */
+
+	if (ignore_devlist)
+		printk(KERN_DEBUG
+		       "radeonfb: skipping test for device workarounds\n");
+	else
+		radeon_apply_workarounds(rinfo);
+
+	if (force_sleep) {
+		printk(KERN_DEBUG
+		       "radeonfb: forcefully enabling D2 sleep mode\n");
+		rinfo->pm_mode |= radeon_pm_d2;
+	}
 }
 
 void radeonfb_pm_exit(struct radeonfb_info *rinfo)
diff --git a/drivers/video/aty/radeonfb.h b/drivers/video/aty/radeonfb.h
index 38657b2d10e..d5ff224a625 100644
--- a/drivers/video/aty/radeonfb.h
+++ b/drivers/video/aty/radeonfb.h
@@ -273,6 +273,8 @@ enum radeon_pm_mode {
 	radeon_pm_off	= 0x00000002,	/* Can resume from D3 cold */
 };
 
+typedef void (*reinit_function_ptr)(struct radeonfb_info *rinfo);
+
 struct radeonfb_info {
 	struct fb_info		*info;
 
@@ -338,7 +340,7 @@ struct radeonfb_info {
 	int			dynclk;
 	int			no_schedule;
 	enum radeon_pm_mode	pm_mode;
-	void			(*reinit_func)(struct radeonfb_info *rinfo);
+	reinit_function_ptr     reinit_func;
 
 	/* Lock on register access */
 	spinlock_t		reg_lock;
@@ -600,7 +602,7 @@ extern int radeon_probe_i2c_connector(struct radeonfb_info *rinfo, int conn, u8
 /* PM Functions */
 extern int radeonfb_pci_suspend(struct pci_dev *pdev, pm_message_t state);
 extern int radeonfb_pci_resume(struct pci_dev *pdev);
-extern void radeonfb_pm_init(struct radeonfb_info *rinfo, int dynclk);
+extern void radeonfb_pm_init(struct radeonfb_info *rinfo, int dynclk, int ignore_devlist, int force_sleep);
 extern void radeonfb_pm_exit(struct radeonfb_info *rinfo);
 
 /* Monitor probe functions */
diff --git a/drivers/video/backlight/Kconfig b/drivers/video/backlight/Kconfig
index 022f9d3473f..02f15297a02 100644
--- a/drivers/video/backlight/Kconfig
+++ b/drivers/video/backlight/Kconfig
@@ -10,7 +10,7 @@ menuconfig BACKLIGHT_LCD_SUPPORT
 
 config BACKLIGHT_CLASS_DEVICE
         tristate "Lowlevel Backlight controls"
-	depends on BACKLIGHT_LCD_SUPPORT && FB
+	depends on BACKLIGHT_LCD_SUPPORT
 	default m
 	help
 	  This framework adds support for low-level control of the LCD
@@ -26,7 +26,7 @@ config BACKLIGHT_DEVICE
 
 config LCD_CLASS_DEVICE
         tristate "Lowlevel LCD controls"
-	depends on BACKLIGHT_LCD_SUPPORT && FB
+	depends on BACKLIGHT_LCD_SUPPORT
 	default m
 	help
 	  This framework adds support for low-level control of LCD.
diff --git a/drivers/video/console/mdacon.c b/drivers/video/console/mdacon.c
index 52ed12b12ac..eb4d03fa539 100644
--- a/drivers/video/console/mdacon.c
+++ b/drivers/video/console/mdacon.c
@@ -197,7 +197,7 @@ static int __init mdacon_setup(char *str)
 __setup("mdacon=", mdacon_setup);
 #endif
 
-static int __init mda_detect(void)
+static int mda_detect(void)
 {
 	int count=0;
 	u16 *p, p_save;
@@ -282,7 +282,7 @@ static int __init mda_detect(void)
 	return 1;
 }
 
-static void __init mda_initialize(void)
+static void mda_initialize(void)
 {
 	write_mda_b(97, 0x00);		/* horizontal total */
 	write_mda_b(80, 0x01);		/* horizontal displayed */
diff --git a/drivers/video/fb_notify.c b/drivers/video/fb_notify.c
new file mode 100644
index 00000000000..8c020389e4f
--- /dev/null
+++ b/drivers/video/fb_notify.c
@@ -0,0 +1,46 @@
+/*
+ *  linux/drivers/video/fb_notify.c
+ *
+ *  Copyright (C) 2006 Antonino Daplas <adaplas@pol.net>
+ *
+ *	2001 - Documented with DocBook
+ *	- Brad Douglas <brad@neruo.com>
+ *
+ * This file is subject to the terms and conditions of the GNU General Public
+ * License.  See the file COPYING in the main directory of this archive
+ * for more details.
+ */
+#include <linux/fb.h>
+#include <linux/notifier.h>
+
+static BLOCKING_NOTIFIER_HEAD(fb_notifier_list);
+
+/**
+ *	fb_register_client - register a client notifier
+ *	@nb: notifier block to callback on events
+ */
+int fb_register_client(struct notifier_block *nb)
+{
+	return blocking_notifier_chain_register(&fb_notifier_list, nb);
+}
+EXPORT_SYMBOL(fb_register_client);
+
+/**
+ *	fb_unregister_client - unregister a client notifier
+ *	@nb: notifier block to callback on events
+ */
+int fb_unregister_client(struct notifier_block *nb)
+{
+	return blocking_notifier_chain_unregister(&fb_notifier_list, nb);
+}
+EXPORT_SYMBOL(fb_unregister_client);
+
+/**
+ * fb_notifier_call_chain - notify clients of fb_events
+ *
+ */
+int fb_notifier_call_chain(unsigned long val, void *v)
+{
+	return blocking_notifier_call_chain(&fb_notifier_list, val, v);
+}
+EXPORT_SYMBOL_GPL(fb_notifier_call_chain);
diff --git a/drivers/video/fbmem.c b/drivers/video/fbmem.c
index 4fc9df426c1..17961e3ecaa 100644
--- a/drivers/video/fbmem.c
+++ b/drivers/video/fbmem.c
@@ -52,7 +52,6 @@
 
 #define FBPIXMAPSIZE	(1024 * 8)
 
-static BLOCKING_NOTIFIER_HEAD(fb_notifier_list);
 struct fb_info *registered_fb[FB_MAX];
 int num_registered_fb;
 
@@ -791,8 +790,7 @@ fb_set_var(struct fb_info *info, struct fb_var_screeninfo *var)
 
 		    event.info = info;
 		    event.data = &mode1;
-		    ret = blocking_notifier_call_chain(&fb_notifier_list,
-					      FB_EVENT_MODE_DELETE, &event);
+		    ret = fb_notifier_call_chain(FB_EVENT_MODE_DELETE, &event);
 		}
 
 		if (!ret)
@@ -837,8 +835,7 @@ fb_set_var(struct fb_info *info, struct fb_var_screeninfo *var)
 
 				info->flags &= ~FBINFO_MISC_USEREVENT;
 				event.info = info;
-				blocking_notifier_call_chain(&fb_notifier_list,
-						evnt, &event);
+				fb_notifier_call_chain(evnt, &event);
 			}
 		}
 	}
@@ -861,8 +858,7 @@ fb_blank(struct fb_info *info, int blank)
 
 		event.info = info;
 		event.data = &blank;
-		blocking_notifier_call_chain(&fb_notifier_list,
-				FB_EVENT_BLANK, &event);
+		fb_notifier_call_chain(FB_EVENT_BLANK, &event);
 	}
 
  	return ret;
@@ -933,8 +929,7 @@ fb_ioctl(struct inode *inode, struct file *file, unsigned int cmd,
 		con2fb.framebuffer = -1;
 		event.info = info;
 		event.data = &con2fb;
-		blocking_notifier_call_chain(&fb_notifier_list,
-				    FB_EVENT_GET_CONSOLE_MAP, &event);
+		fb_notifier_call_chain(FB_EVENT_GET_CONSOLE_MAP, &event);
 		return copy_to_user(argp, &con2fb,
 				    sizeof(con2fb)) ? -EFAULT : 0;
 	case FBIOPUT_CON2FBMAP:
@@ -952,9 +947,8 @@ fb_ioctl(struct inode *inode, struct file *file, unsigned int cmd,
 		    return -EINVAL;
 		event.info = info;
 		event.data = &con2fb;
-		return blocking_notifier_call_chain(&fb_notifier_list,
-					   FB_EVENT_SET_CONSOLE_MAP,
-					   &event);
+		return fb_notifier_call_chain(FB_EVENT_SET_CONSOLE_MAP,
+					      &event);
 	case FBIOBLANK:
 		acquire_console_sem();
 		info->flags |= FBINFO_MISC_USEREVENT;
@@ -1330,8 +1324,7 @@ register_framebuffer(struct fb_info *fb_info)
 	registered_fb[i] = fb_info;
 
 	event.info = fb_info;
-	blocking_notifier_call_chain(&fb_notifier_list,
-			    FB_EVENT_FB_REGISTERED, &event);
+	fb_notifier_call_chain(FB_EVENT_FB_REGISTERED, &event);
 	return 0;
 }
 
@@ -1365,30 +1358,11 @@ unregister_framebuffer(struct fb_info *fb_info)
 	fb_cleanup_class_device(fb_info);
 	class_device_destroy(fb_class, MKDEV(FB_MAJOR, i));
 	event.info = fb_info;
-	blocking_notifier_call_chain(&fb_notifier_list,
-				     FB_EVENT_FB_UNREGISTERED, &event);
+	fb_notifier_call_chain(FB_EVENT_FB_UNREGISTERED, &event);
 	return 0;
 }
 
 /**
- *	fb_register_client - register a client notifier
- *	@nb: notifier block to callback on events
- */
-int fb_register_client(struct notifier_block *nb)
-{
-	return blocking_notifier_chain_register(&fb_notifier_list, nb);
-}
-
-/**
- *	fb_unregister_client - unregister a client notifier
- *	@nb: notifier block to callback on events
- */
-int fb_unregister_client(struct notifier_block *nb)
-{
-	return blocking_notifier_chain_unregister(&fb_notifier_list, nb);
-}
-
-/**
  *	fb_set_suspend - low level driver signals suspend
  *	@info: framebuffer affected
  *	@state: 0 = resuming, !=0 = suspending
@@ -1403,13 +1377,11 @@ void fb_set_suspend(struct fb_info *info, int state)
 
 	event.info = info;
 	if (state) {
-		blocking_notifier_call_chain(&fb_notifier_list,
-				FB_EVENT_SUSPEND, &event);
+		fb_notifier_call_chain(FB_EVENT_SUSPEND, &event);
 		info->state = FBINFO_STATE_SUSPENDED;
 	} else {
 		info->state = FBINFO_STATE_RUNNING;
-		blocking_notifier_call_chain(&fb_notifier_list,
-				FB_EVENT_RESUME, &event);
+		fb_notifier_call_chain(FB_EVENT_RESUME, &event);
 	}
 }
 
@@ -1480,9 +1452,7 @@ int fb_new_modelist(struct fb_info *info)
 
 	if (!list_empty(&info->modelist)) {
 		event.info = info;
-		err = blocking_notifier_call_chain(&fb_notifier_list,
-					   FB_EVENT_NEW_MODELIST,
-					   &event);
+		err = fb_notifier_call_chain(FB_EVENT_NEW_MODELIST, &event);
 	}
 
 	return err;
@@ -1594,8 +1564,6 @@ EXPORT_SYMBOL(fb_blank);
 EXPORT_SYMBOL(fb_pan_display);
 EXPORT_SYMBOL(fb_get_buffer_offset);
 EXPORT_SYMBOL(fb_set_suspend);
-EXPORT_SYMBOL(fb_register_client);
-EXPORT_SYMBOL(fb_unregister_client);
 EXPORT_SYMBOL(fb_get_options);
 
 MODULE_LICENSE("GPL");
diff --git a/drivers/video/nvidia/nvidia.c b/drivers/video/nvidia/nvidia.c
index 9f2066f0745..d4f85011787 100644
--- a/drivers/video/nvidia/nvidia.c
+++ b/drivers/video/nvidia/nvidia.c
@@ -34,10 +34,6 @@
 #include "nv_proto.h"
 #include "nv_dma.h"
 
-#ifndef CONFIG_PCI		/* sanity check */
-#error This driver requires PCI support.
-#endif
-
 #undef CONFIG_FB_NVIDIA_DEBUG
 #ifdef CONFIG_FB_NVIDIA_DEBUG
 #define NVTRACE          printk
@@ -1303,20 +1299,19 @@ static int __devinit nvidiafb_probe(struct pci_dev *pd,
 
 	nvidia_save_vga(par, &par->SavedReg);
 
+	pci_set_drvdata(pd, info);
+	nvidia_bl_init(par);
 	if (register_framebuffer(info) < 0) {
 		printk(KERN_ERR PFX "error registering nVidia framebuffer\n");
 		goto err_out_iounmap_fb;
 	}
 
-	pci_set_drvdata(pd, info);
 
 	printk(KERN_INFO PFX
 	       "PCI nVidia %s framebuffer (%dMB @ 0x%lX)\n",
 	       info->fix.id,
 	       par->FbMapSize / (1024 * 1024), info->fix.smem_start);
 
-	nvidia_bl_init(par);
-
 	NVTRACE_LEAVE();
 	return 0;
 
diff --git a/drivers/video/offb.c b/drivers/video/offb.c
index ce5f3031b99..0013311e056 100644
--- a/drivers/video/offb.c
+++ b/drivers/video/offb.c
@@ -62,8 +62,6 @@ struct offb_par default_par;
      *  Interface used by the world
      */
 
-int offb_init(void);
-
 static int offb_setcolreg(u_int regno, u_int red, u_int green, u_int blue,
 			  u_int transp, struct fb_info *info);
 static int offb_blank(int blank, struct fb_info *info);
@@ -72,11 +70,6 @@ static int offb_blank(int blank, struct fb_info *info);
 extern boot_infos_t *boot_infos;
 #endif
 
-static void offb_init_nodriver(struct device_node *);
-static void offb_init_fb(const char *name, const char *full_name,
-			 int width, int height, int depth, int pitch,
-			 unsigned long address, struct device_node *dp);
-
 static struct fb_ops offb_ops = {
 	.owner		= THIS_MODULE,
 	.fb_setcolreg	= offb_setcolreg,
@@ -229,123 +222,17 @@ static int offb_blank(int blank, struct fb_info *info)
 	return 0;
 }
 
-    /*
-     *  Initialisation
-     */
 
-int __init offb_init(void)
+static void __iomem *offb_map_reg(struct device_node *np, int index,
+				  unsigned long offset, unsigned long size)
 {
-	struct device_node *dp = NULL, *boot_disp = NULL;
-
-	if (fb_get_options("offb", NULL))
-		return -ENODEV;
+	struct resource r;
 
-	for (dp = NULL; (dp = of_find_node_by_type(dp, "display"));) {
-		if (get_property(dp, "linux,opened", NULL) &&
-		    get_property(dp, "linux,boot-display", NULL)) {
-			boot_disp = dp;
-			offb_init_nodriver(dp);
-		}
-	}
-	for (dp = NULL; (dp = of_find_node_by_type(dp, "display"));) {
-		if (get_property(dp, "linux,opened", NULL) &&
-		    dp != boot_disp)
-			offb_init_nodriver(dp);
-	}
-
-	return 0;
-}
-
-
-static void __init offb_init_nodriver(struct device_node *dp)
-{
-	unsigned int len;
-	int i, width = 640, height = 480, depth = 8, pitch = 640;
-	unsigned int flags, rsize, addr_prop = 0;
-	unsigned long max_size = 0;
-	u64 rstart, address = OF_BAD_ADDR;
-	u32 *pp, *addrp, *up;
-	u64 asize;
-
-	pp = (u32 *)get_property(dp, "linux,bootx-depth", &len);
-	if (pp == NULL)
-		pp = (u32 *)get_property(dp, "depth", &len);
-	if (pp && len == sizeof(u32))
-		depth = *pp;
-
-	pp = (u32 *)get_property(dp, "linux,bootx-width", &len);
-	if (pp == NULL)
-		pp = (u32 *)get_property(dp, "width", &len);
-	if (pp && len == sizeof(u32))
-		width = *pp;
-
-	pp = (u32 *)get_property(dp, "linux,bootx-height", &len);
-	if (pp == NULL)
-		pp = (u32 *)get_property(dp, "height", &len);
-	if (pp && len == sizeof(u32))
-		height = *pp;
-
-	pp = (u32 *)get_property(dp, "linux,bootx-linebytes", &len);
-	if (pp == NULL)
-		pp = (u32 *)get_property(dp, "linebytes", &len);
-	if (pp && len == sizeof(u32))
-		pitch = *pp;
-	else
-		pitch = width * ((depth + 7) / 8);
-
-	rsize = (unsigned long)pitch * (unsigned long)height;
-
-	/* Ok, now we try to figure out the address of the framebuffer.
-	 *
-	 * Unfortunately, Open Firmware doesn't provide a standard way to do
-	 * so. All we can do is a dodgy heuristic that happens to work in
-	 * practice. On most machines, the "address" property contains what
-	 * we need, though not on Matrox cards found in IBM machines. What I've
-	 * found that appears to give good results is to go through the PCI
-	 * ranges and pick one that is both big enough and if possible encloses
-	 * the "address" property. If none match, we pick the biggest
-	 */
-	up = (u32 *)get_property(dp, "linux,bootx-addr", &len);
-	if (up == NULL)
-		up = (u32 *)get_property(dp, "address", &len);
-	if (up && len == sizeof(u32))
-		addr_prop = *up;
-
-	for (i = 0; (addrp = of_get_address(dp, i, &asize, &flags))
-		     != NULL; i++) {
-		int match_addrp = 0;
-
-		if (!(flags & IORESOURCE_MEM))
-			continue;
-		if (asize < rsize)
-			continue;
-		rstart = of_translate_address(dp, addrp);
-		if (rstart == OF_BAD_ADDR)
-			continue;
-		if (addr_prop && (rstart <= addr_prop) &&
-		    ((rstart + asize) >= (addr_prop + rsize)))
-			match_addrp = 1;
-		if (match_addrp) {
-			address = addr_prop;
-			break;
-		}
-		if (rsize > max_size) {
-			max_size = rsize;
-			address = OF_BAD_ADDR;
- 		}
-
-		if (address == OF_BAD_ADDR)
-			address = rstart;
-	}
-	if (address == OF_BAD_ADDR && addr_prop)
-		address = (u64)addr_prop;
-	if (address != OF_BAD_ADDR) {
-		/* kludge for valkyrie */
-		if (strcmp(dp->name, "valkyrie") == 0)
-			address += 0x1000;
-		offb_init_fb(dp->name, dp->full_name, width, height, depth,
-			     pitch, address, dp);
-	}
+	if (of_address_to_resource(np, index, &r))
+		return 0;
+	if ((r.start + offset + size) > r.end)
+		return 0;
+	return ioremap(r.start + offset, size);
 }
 
 static void __init offb_init_fb(const char *name, const char *full_name,
@@ -402,45 +289,39 @@ static void __init offb_init_fb(const char *name, const char *full_name,
 
 	par->cmap_type = cmap_unknown;
 	if (depth == 8) {
-
 		/* Palette hacks disabled for now */
-#if 0
 		if (dp && !strncmp(name, "ATY,Rage128", 11)) {
-			unsigned long regbase = dp->addrs[2].address;
-			par->cmap_adr = ioremap(regbase, 0x1FFF);
-			par->cmap_type = cmap_r128;
+			par->cmap_adr = offb_map_reg(dp, 2, 0, 0x1fff);
+			if (par->cmap_adr)
+				par->cmap_type = cmap_r128;
 		} else if (dp && (!strncmp(name, "ATY,RageM3pA", 12)
 				  || !strncmp(name, "ATY,RageM3p12A", 14))) {
-			unsigned long regbase =
-			    dp->parent->addrs[2].address;
-			par->cmap_adr = ioremap(regbase, 0x1FFF);
-			par->cmap_type = cmap_M3A;
+			par->cmap_adr = offb_map_reg(dp, 2, 0, 0x1fff);
+			if (par->cmap_adr)
+				par->cmap_type = cmap_M3A;
 		} else if (dp && !strncmp(name, "ATY,RageM3pB", 12)) {
-			unsigned long regbase =
-			    dp->parent->addrs[2].address;
-			par->cmap_adr = ioremap(regbase, 0x1FFF);
-			par->cmap_type = cmap_M3B;
+			par->cmap_adr = offb_map_reg(dp, 2, 0, 0x1fff);
+			if (par->cmap_adr)
+				par->cmap_type = cmap_M3B;
 		} else if (dp && !strncmp(name, "ATY,Rage6", 9)) {
-			unsigned long regbase = dp->addrs[1].address;
-			par->cmap_adr = ioremap(regbase, 0x1FFF);
-			par->cmap_type = cmap_radeon;
+			par->cmap_adr = offb_map_reg(dp, 1, 0, 0x1fff);
+			if (par->cmap_adr)
+				par->cmap_type = cmap_radeon;
 		} else if (!strncmp(name, "ATY,", 4)) {
 			unsigned long base = address & 0xff000000UL;
 			par->cmap_adr =
 			    ioremap(base + 0x7ff000, 0x1000) + 0xcc0;
 			par->cmap_data = par->cmap_adr + 1;
 			par->cmap_type = cmap_m64;
-		} else if (device_is_compatible(dp, "pci1014,b7")) {
-			unsigned long regbase = dp->addrs[0].address;
-			par->cmap_adr = ioremap(regbase + 0x6000, 0x1000);
-			par->cmap_type = cmap_gxt2000;
+		} else if (dp && device_is_compatible(dp, "pci1014,b7")) {
+			par->cmap_adr = offb_map_reg(dp, 0, 0x6000, 0x1000);
+			if (par->cmap_adr)
+				par->cmap_type = cmap_gxt2000;
 		}
-#endif
-		fix->visual = par->cmap_adr ? FB_VISUAL_PSEUDOCOLOR
-		    : FB_VISUAL_STATIC_PSEUDOCOLOR;
+		fix->visual = (par->cmap_type != cmap_unknown) ?
+			FB_VISUAL_PSEUDOCOLOR : FB_VISUAL_STATIC_PSEUDOCOLOR;
 	} else
-		fix->visual =	/* par->cmap_adr ? FB_VISUAL_DIRECTCOLOR
-				   : */ FB_VISUAL_TRUECOLOR;
+		fix->visual = FB_VISUAL_TRUECOLOR;
 
 	var->xoffset = var->yoffset = 0;
 	switch (depth) {
@@ -520,5 +401,139 @@ static void __init offb_init_fb(const char *name, const char *full_name,
 	       info->node, full_name);
 }
 
+
+static void __init offb_init_nodriver(struct device_node *dp, int no_real_node)
+{
+	unsigned int len;
+	int i, width = 640, height = 480, depth = 8, pitch = 640;
+	unsigned int flags, rsize, addr_prop = 0;
+	unsigned long max_size = 0;
+	u64 rstart, address = OF_BAD_ADDR;
+	u32 *pp, *addrp, *up;
+	u64 asize;
+
+	pp = (u32 *)get_property(dp, "linux,bootx-depth", &len);
+	if (pp == NULL)
+		pp = (u32 *)get_property(dp, "depth", &len);
+	if (pp && len == sizeof(u32))
+		depth = *pp;
+
+	pp = (u32 *)get_property(dp, "linux,bootx-width", &len);
+	if (pp == NULL)
+		pp = (u32 *)get_property(dp, "width", &len);
+	if (pp && len == sizeof(u32))
+		width = *pp;
+
+	pp = (u32 *)get_property(dp, "linux,bootx-height", &len);
+	if (pp == NULL)
+		pp = (u32 *)get_property(dp, "height", &len);
+	if (pp && len == sizeof(u32))
+		height = *pp;
+
+	pp = (u32 *)get_property(dp, "linux,bootx-linebytes", &len);
+	if (pp == NULL)
+		pp = (u32 *)get_property(dp, "linebytes", &len);
+	if (pp && len == sizeof(u32))
+		pitch = *pp;
+	else
+		pitch = width * ((depth + 7) / 8);
+
+	rsize = (unsigned long)pitch * (unsigned long)height;
+
+	/* Ok, now we try to figure out the address of the framebuffer.
+	 *
+	 * Unfortunately, Open Firmware doesn't provide a standard way to do
+	 * so. All we can do is a dodgy heuristic that happens to work in
+	 * practice. On most machines, the "address" property contains what
+	 * we need, though not on Matrox cards found in IBM machines. What I've
+	 * found that appears to give good results is to go through the PCI
+	 * ranges and pick one that is both big enough and if possible encloses
+	 * the "address" property. If none match, we pick the biggest
+	 */
+	up = (u32 *)get_property(dp, "linux,bootx-addr", &len);
+	if (up == NULL)
+		up = (u32 *)get_property(dp, "address", &len);
+	if (up && len == sizeof(u32))
+		addr_prop = *up;
+
+	/* Hack for when BootX is passing us */
+	if (no_real_node)
+		goto skip_addr;
+
+	for (i = 0; (addrp = of_get_address(dp, i, &asize, &flags))
+		     != NULL; i++) {
+		int match_addrp = 0;
+
+		if (!(flags & IORESOURCE_MEM))
+			continue;
+		if (asize < rsize)
+			continue;
+		rstart = of_translate_address(dp, addrp);
+		if (rstart == OF_BAD_ADDR)
+			continue;
+		if (addr_prop && (rstart <= addr_prop) &&
+		    ((rstart + asize) >= (addr_prop + rsize)))
+			match_addrp = 1;
+		if (match_addrp) {
+			address = addr_prop;
+			break;
+		}
+		if (rsize > max_size) {
+			max_size = rsize;
+			address = OF_BAD_ADDR;
+ 		}
+
+		if (address == OF_BAD_ADDR)
+			address = rstart;
+	}
+ skip_addr:
+	if (address == OF_BAD_ADDR && addr_prop)
+		address = (u64)addr_prop;
+	if (address != OF_BAD_ADDR) {
+		/* kludge for valkyrie */
+		if (strcmp(dp->name, "valkyrie") == 0)
+			address += 0x1000;
+		offb_init_fb(no_real_node ? "bootx" : dp->name,
+			     no_real_node ? "display" : dp->full_name,
+			     width, height, depth, pitch, address,
+			     no_real_node ? dp : NULL);
+	}
+}
+
+static int __init offb_init(void)
+{
+	struct device_node *dp = NULL, *boot_disp = NULL;
+
+	if (fb_get_options("offb", NULL))
+		return -ENODEV;
+
+	/* Check if we have a MacOS display without a node spec */
+	if (get_property(of_chosen, "linux,bootx-noscreen", NULL) != NULL) {
+		/* The old code tried to work out which node was the MacOS
+		 * display based on the address. I'm dropping that since the
+		 * lack of a node spec only happens with old BootX versions
+		 * (users can update) and with this code, they'll still get
+		 * a display (just not the palette hacks).
+		 */
+		offb_init_nodriver(of_chosen, 1);
+	}
+
+	for (dp = NULL; (dp = of_find_node_by_type(dp, "display"));) {
+		if (get_property(dp, "linux,opened", NULL) &&
+		    get_property(dp, "linux,boot-display", NULL)) {
+			boot_disp = dp;
+			offb_init_nodriver(dp, 0);
+		}
+	}
+	for (dp = NULL; (dp = of_find_node_by_type(dp, "display"));) {
+		if (get_property(dp, "linux,opened", NULL) &&
+		    dp != boot_disp)
+			offb_init_nodriver(dp, 0);
+	}
+
+	return 0;
+}
+
+
 module_init(offb_init);
 MODULE_LICENSE("GPL");
diff --git a/drivers/video/riva/fbdev.c b/drivers/video/riva/fbdev.c
index 33dddbae542..76fc9d355eb 100644
--- a/drivers/video/riva/fbdev.c
+++ b/drivers/video/riva/fbdev.c
@@ -2132,6 +2132,9 @@ static int __devinit rivafb_probe(struct pci_dev *pd,
 
 	fb_destroy_modedb(info->monspecs.modedb);
 	info->monspecs.modedb = NULL;
+
+	pci_set_drvdata(pd, info);
+	riva_bl_init(info->par);
 	ret = register_framebuffer(info);
 	if (ret < 0) {
 		printk(KERN_ERR PFX
@@ -2139,8 +2142,6 @@ static int __devinit rivafb_probe(struct pci_dev *pd,
 		goto err_iounmap_screen_base;
 	}
 
-	pci_set_drvdata(pd, info);
-
 	printk(KERN_INFO PFX
 		"PCI nVidia %s framebuffer ver %s (%dMB @ 0x%lX)\n",
 		info->fix.id,
@@ -2148,8 +2149,6 @@ static int __devinit rivafb_probe(struct pci_dev *pd,
 		info->fix.smem_len / (1024 * 1024),
 		info->fix.smem_start);
 
-	riva_bl_init(info->par);
-
 	NVTRACE_LEAVE();
 	return 0;