Merge branch 'master' into upstream-fixes

author: Jeff Garzik <jeff@garzik.org> 2007-12-01 16:18:56 -0500
committer: Jeff Garzik <jeff@garzik.org> 2007-12-01 16:18:56 -0500
commit: c99da91e7a12724127475a85cc7a38214b3504e2 (patch)
tree: de0eb3fe32ce58804457963fd133a53bb8fba5b8 /drivers
parent: a31e23e15cbb9734c5883a4a7f58d8712d303e0b (diff)
parent: 92d499d991ec4f5cbd00d6f33967eab9d3ee8d6c (diff)
152 files changed, 2151 insertions, 1445 deletions
diff --git a/drivers/acpi/Kconfig b/drivers/acpi/Kconfig
index 087a7028ae84..b9f923ef173d 100644
--- a/drivers/acpi/Kconfig
+++ b/drivers/acpi/Kconfig
@@ -50,7 +50,6 @@ config ACPI_SLEEP
 config ACPI_PROCFS
 	bool "Deprecated /proc/acpi files"
 	depends on PROC_FS
-	default y
 	---help---
 	  For backwards compatibility, this option allows
 	  deprecated /proc/acpi/ files to exist, even when
@@ -61,7 +60,6 @@ config ACPI_PROCFS
 	  /proc/acpi/info (/sys/modules/acpi/parameters/acpica_version)
 	  /proc/acpi/dsdt (/sys/firmware/acpi/tables/DSDT)
 	  /proc/acpi/fadt (/sys/firmware/acpi/tables/FACP)
-	  /proc/acpi/battery (/sys/class/power_supply)
 	  /proc/acpi/debug_layer (/sys/module/acpi/parameters/debug_layer)
 	  /proc/acpi/debug_level (/sys/module/acpi/parameters/debug_level)
 
@@ -69,7 +67,21 @@ config ACPI_PROCFS
 	  and functions which do not yet exist in /sys.
 
 	  Say N to delete /proc/acpi/ files that have moved to /sys/
-
+config ACPI_PROCFS_POWER
+	bool "Deprecated power /proc/acpi folders"
+	depends on PROC_FS
+	default y
+	---help---
+	  For backwards compatibility, this option allows
+          deprecated power /proc/acpi/ folders to exist, even when
+          they have been replaced by functions in /sys.
+          The deprecated folders (and their replacements) include:
+	  /proc/acpi/battery/* (/sys/class/power_supply/*)
+	  /proc/acpi/ac_adapter/* (sys/class/power_supply/*)
+	  This option has no effect on /proc/acpi/ folders
+	  and functions, which do not yet exist in /sys
+
+	  Say N to delete power /proc/acpi/ folders that have moved to /sys/
 config ACPI_PROC_EVENT
 	bool "Deprecated /proc/acpi/event support"
 	depends on PROC_FS
diff --git a/drivers/acpi/Makefile b/drivers/acpi/Makefile
index 54e3ab0e5fc0..456446f90077 100644
--- a/drivers/acpi/Makefile
+++ b/drivers/acpi/Makefile
@@ -58,6 +58,6 @@ obj-$(CONFIG_ACPI_NUMA)		+= numa.o
 obj-$(CONFIG_ACPI_ASUS)		+= asus_acpi.o
 obj-$(CONFIG_ACPI_TOSHIBA)	+= toshiba_acpi.o
 obj-$(CONFIG_ACPI_HOTPLUG_MEMORY)	+= acpi_memhotplug.o
-obj-y				+= cm_sbs.o
+obj-$(CONFIG_ACPI_PROCFS_POWER)	+= cm_sbs.o
 obj-$(CONFIG_ACPI_SBS)		+= sbs.o
 obj-$(CONFIG_ACPI_SBS)		+= sbshc.o
diff --git a/drivers/acpi/ac.c b/drivers/acpi/ac.c
index 30238f6ff232..76ed4f52bebd 100644
--- a/drivers/acpi/ac.c
+++ b/drivers/acpi/ac.c
@@ -27,7 +27,7 @@
 #include <linux/module.h>
 #include <linux/init.h>
 #include <linux/types.h>
-#ifdef CONFIG_ACPI_PROCFS
+#ifdef CONFIG_ACPI_PROCFS_POWER
 #include <linux/proc_fs.h>
 #include <linux/seq_file.h>
 #endif
@@ -51,7 +51,7 @@ MODULE_AUTHOR("Paul Diefenbaugh");
 MODULE_DESCRIPTION("ACPI AC Adapter Driver");
 MODULE_LICENSE("GPL");
 
-#ifdef CONFIG_ACPI_PROCFS
+#ifdef CONFIG_ACPI_PROCFS_POWER
 extern struct proc_dir_entry *acpi_lock_ac_dir(void);
 extern void *acpi_unlock_ac_dir(struct proc_dir_entry *acpi_ac_dir);
 static int acpi_ac_open_fs(struct inode *inode, struct file *file);
@@ -86,7 +86,7 @@ struct acpi_ac {
 
 #define to_acpi_ac(x) container_of(x, struct acpi_ac, charger);
 
-#ifdef CONFIG_ACPI_PROCFS
+#ifdef CONFIG_ACPI_PROCFS_POWER
 static const struct file_operations acpi_ac_fops = {
 	.open = acpi_ac_open_fs,
 	.read = seq_read,
@@ -136,7 +136,7 @@ static int acpi_ac_get_state(struct acpi_ac *ac)
 	return 0;
 }
 
-#ifdef CONFIG_ACPI_PROCFS
+#ifdef CONFIG_ACPI_PROCFS_POWER
 /* --------------------------------------------------------------------------
                               FS Interface (/proc)
    -------------------------------------------------------------------------- */
@@ -275,7 +275,7 @@ static int acpi_ac_add(struct acpi_device *device)
 	if (result)
 		goto end;
 
-#ifdef CONFIG_ACPI_PROCFS
+#ifdef CONFIG_ACPI_PROCFS_POWER
 	result = acpi_ac_add_fs(device);
 #endif
 	if (result)
@@ -300,7 +300,7 @@ static int acpi_ac_add(struct acpi_device *device)
 
       end:
 	if (result) {
-#ifdef CONFIG_ACPI_PROCFS
+#ifdef CONFIG_ACPI_PROCFS_POWER
 		acpi_ac_remove_fs(device);
 #endif
 		kfree(ac);
@@ -339,7 +339,7 @@ static int acpi_ac_remove(struct acpi_device *device, int type)
 					    ACPI_ALL_NOTIFY, acpi_ac_notify);
 	if (ac->charger.dev)
 		power_supply_unregister(&ac->charger);
-#ifdef CONFIG_ACPI_PROCFS
+#ifdef CONFIG_ACPI_PROCFS_POWER
 	acpi_ac_remove_fs(device);
 #endif
 
@@ -355,7 +355,7 @@ static int __init acpi_ac_init(void)
 	if (acpi_disabled)
 		return -ENODEV;
 
-#ifdef CONFIG_ACPI_PROCFS
+#ifdef CONFIG_ACPI_PROCFS_POWER
 	acpi_ac_dir = acpi_lock_ac_dir();
 	if (!acpi_ac_dir)
 		return -ENODEV;
@@ -363,7 +363,7 @@ static int __init acpi_ac_init(void)
 
 	result = acpi_bus_register_driver(&acpi_ac_driver);
 	if (result < 0) {
-#ifdef CONFIG_ACPI_PROCFS
+#ifdef CONFIG_ACPI_PROCFS_POWER
 		acpi_unlock_ac_dir(acpi_ac_dir);
 #endif
 		return -ENODEV;
@@ -377,7 +377,7 @@ static void __exit acpi_ac_exit(void)
 
 	acpi_bus_unregister_driver(&acpi_ac_driver);
 
-#ifdef CONFIG_ACPI_PROCFS
+#ifdef CONFIG_ACPI_PROCFS_POWER
 	acpi_unlock_ac_dir(acpi_ac_dir);
 #endif
 
diff --git a/drivers/acpi/battery.c b/drivers/acpi/battery.c
index 192c244f6190..7d6be23eff89 100644
--- a/drivers/acpi/battery.c
+++ b/drivers/acpi/battery.c
@@ -31,7 +31,7 @@
 #include <linux/types.h>
 #include <linux/jiffies.h>
 
-#ifdef CONFIG_ACPI_PROCFS
+#ifdef CONFIG_ACPI_PROCFS_POWER
 #include <linux/proc_fs.h>
 #include <linux/seq_file.h>
 #include <asm/uaccess.h>
@@ -63,7 +63,7 @@ static unsigned int cache_time = 1000;
 module_param(cache_time, uint, 0644);
 MODULE_PARM_DESC(cache_time, "cache time in milliseconds");
 
-#ifdef CONFIG_ACPI_PROCFS
+#ifdef CONFIG_ACPI_PROCFS_POWER
 extern struct proc_dir_entry *acpi_lock_battery_dir(void);
 extern void *acpi_unlock_battery_dir(struct proc_dir_entry *acpi_battery_dir);
 
@@ -153,6 +153,8 @@ static int acpi_battery_get_property(struct power_supply *psy,
 			val->intval = POWER_SUPPLY_STATUS_CHARGING;
 		else if (battery->state == 0)
 			val->intval = POWER_SUPPLY_STATUS_FULL;
+		else
+			val->intval = POWER_SUPPLY_STATUS_UNKNOWN;
 		break;
 	case POWER_SUPPLY_PROP_PRESENT:
 		val->intval = acpi_battery_present(battery);
@@ -221,7 +223,7 @@ static enum power_supply_property energy_battery_props[] = {
 	POWER_SUPPLY_PROP_MANUFACTURER,
 };
 
-#ifdef CONFIG_ACPI_PROCFS
+#ifdef CONFIG_ACPI_PROCFS_POWER
 inline char *acpi_battery_units(struct acpi_battery *battery)
 {
 	return (battery->power_unit)?"mA":"mW";
@@ -479,7 +481,7 @@ static int acpi_battery_update(struct acpi_battery *battery)
                               FS Interface (/proc)
    -------------------------------------------------------------------------- */
 
-#ifdef CONFIG_ACPI_PROCFS
+#ifdef CONFIG_ACPI_PROCFS_POWER
 static struct proc_dir_entry *acpi_battery_dir;
 
 static int acpi_battery_print_info(struct seq_file *seq, int result)
@@ -786,7 +788,7 @@ static int acpi_battery_add(struct acpi_device *device)
 	acpi_driver_data(device) = battery;
 	mutex_init(&battery->lock);
 	acpi_battery_update(battery);
-#ifdef CONFIG_ACPI_PROCFS
+#ifdef CONFIG_ACPI_PROCFS_POWER
 	result = acpi_battery_add_fs(device);
 	if (result)
 		goto end;
@@ -804,7 +806,7 @@ static int acpi_battery_add(struct acpi_device *device)
 	       device->status.battery_present ? "present" : "absent");
       end:
 	if (result) {
-#ifdef CONFIG_ACPI_PROCFS
+#ifdef CONFIG_ACPI_PROCFS_POWER
 		acpi_battery_remove_fs(device);
 #endif
 		kfree(battery);
@@ -823,7 +825,7 @@ static int acpi_battery_remove(struct acpi_device *device, int type)
 	status = acpi_remove_notify_handler(device->handle,
 					    ACPI_ALL_NOTIFY,
 					    acpi_battery_notify);
-#ifdef CONFIG_ACPI_PROCFS
+#ifdef CONFIG_ACPI_PROCFS_POWER
 	acpi_battery_remove_fs(device);
 #endif
 	sysfs_remove_battery(battery);
@@ -859,13 +861,13 @@ static int __init acpi_battery_init(void)
 {
 	if (acpi_disabled)
 		return -ENODEV;
-#ifdef CONFIG_ACPI_PROCFS
+#ifdef CONFIG_ACPI_PROCFS_POWER
 	acpi_battery_dir = acpi_lock_battery_dir();
 	if (!acpi_battery_dir)
 		return -ENODEV;
 #endif
 	if (acpi_bus_register_driver(&acpi_battery_driver) < 0) {
-#ifdef CONFIG_ACPI_PROCFS
+#ifdef CONFIG_ACPI_PROCFS_POWER
 		acpi_unlock_battery_dir(acpi_battery_dir);
 #endif
 		return -ENODEV;
@@ -876,7 +878,7 @@ static int __init acpi_battery_init(void)
 static void __exit acpi_battery_exit(void)
 {
 	acpi_bus_unregister_driver(&acpi_battery_driver);
-#ifdef CONFIG_ACPI_PROCFS
+#ifdef CONFIG_ACPI_PROCFS_POWER
 	acpi_unlock_battery_dir(acpi_battery_dir);
 #endif
 }
diff --git a/drivers/acpi/ec.c b/drivers/acpi/ec.c
index 06b78e5e33a1..d411017f8c06 100644
--- a/drivers/acpi/ec.c
+++ b/drivers/acpi/ec.c
@@ -47,6 +47,9 @@
 #undef PREFIX
 #define PREFIX				"ACPI: EC: "
 
+/* Uncomment next line to get verbose print outs*/
+/* #define DEBUG */
+
 /* EC status register */
 #define ACPI_EC_FLAG_OBF	0x01	/* Output buffer full */
 #define ACPI_EC_FLAG_IBF	0x02	/* Input buffer full */
@@ -75,7 +78,10 @@ enum {
 	EC_FLAGS_WAIT_GPE = 0,		/* Don't check status until GPE arrives */
 	EC_FLAGS_QUERY_PENDING,		/* Query is pending */
 	EC_FLAGS_GPE_MODE,		/* Expect GPE to be sent for status change */
-	EC_FLAGS_ONLY_IBF_GPE,		/* Expect GPE only for IBF = 0 event */
+	EC_FLAGS_NO_ADDRESS_GPE,	/* Expect GPE only for non-address event */
+	EC_FLAGS_ADDRESS,		/* Address is being written */
+	EC_FLAGS_NO_WDATA_GPE,		/* Don't expect WDATA GPE event */
+	EC_FLAGS_WDATA,			/* Data is being written */
 };
 
 static int acpi_ec_remove(struct acpi_device *device, int type);
@@ -131,21 +137,27 @@ static struct acpi_ec {
 
 static inline u8 acpi_ec_read_status(struct acpi_ec *ec)
 {
-	return inb(ec->command_addr);
+	u8 x = inb(ec->command_addr);
+	pr_debug(PREFIX "---> status = 0x%2x\n", x);
+	return x;
 }
 
 static inline u8 acpi_ec_read_data(struct acpi_ec *ec)
 {
+	u8 x = inb(ec->data_addr);
+	pr_debug(PREFIX "---> data = 0x%2x\n", x);
 	return inb(ec->data_addr);
 }
 
 static inline void acpi_ec_write_cmd(struct acpi_ec *ec, u8 command)
 {
+	pr_debug(PREFIX "<--- command = 0x%2x\n", command);
 	outb(command, ec->command_addr);
 }
 
 static inline void acpi_ec_write_data(struct acpi_ec *ec, u8 data)
 {
+	pr_debug(PREFIX "<--- data = 0x%2x\n", data);
 	outb(data, ec->data_addr);
 }
 
@@ -166,38 +178,54 @@ static inline int acpi_ec_check_status(struct acpi_ec *ec, enum ec_event event)
 
 static int acpi_ec_wait(struct acpi_ec *ec, enum ec_event event, int force_poll)
 {
+	int ret = 0;
+	if (unlikely(test_bit(EC_FLAGS_ADDRESS, &ec->flags) &&
+		     test_bit(EC_FLAGS_NO_ADDRESS_GPE, &ec->flags)))
+		force_poll = 1;
+	if (unlikely(test_bit(EC_FLAGS_WDATA, &ec->flags) &&
+		     test_bit(EC_FLAGS_NO_WDATA_GPE, &ec->flags)))
+		force_poll = 1;
 	if (likely(test_bit(EC_FLAGS_GPE_MODE, &ec->flags)) &&
 	    likely(!force_poll)) {
 		if (wait_event_timeout(ec->wait, acpi_ec_check_status(ec, event),
 				       msecs_to_jiffies(ACPI_EC_DELAY)))
-			return 0;
+			goto end;
 		clear_bit(EC_FLAGS_WAIT_GPE, &ec->flags);
 		if (acpi_ec_check_status(ec, event)) {
-			if (event == ACPI_EC_EVENT_OBF_1) {
-				/* miss OBF = 1 GPE, don't expect it anymore */
-				printk(KERN_INFO PREFIX "missing OBF_1 confirmation,"
-					"switching to degraded mode.\n");
-				set_bit(EC_FLAGS_ONLY_IBF_GPE, &ec->flags);
+			if (test_bit(EC_FLAGS_ADDRESS, &ec->flags)) {
+				/* miss address GPE, don't expect it anymore */
+				pr_info(PREFIX "missing address confirmation, "
+					"don't expect it any longer.\n");
+				set_bit(EC_FLAGS_NO_ADDRESS_GPE, &ec->flags);
+			} else if (test_bit(EC_FLAGS_WDATA, &ec->flags)) {
+				/* miss write data GPE, don't expect it */
+				pr_info(PREFIX "missing write data confirmation, "
+					"don't expect it any longer.\n");
+				set_bit(EC_FLAGS_NO_WDATA_GPE, &ec->flags);
 			} else {
 				/* missing GPEs, switch back to poll mode */
-				printk(KERN_INFO PREFIX "missing IBF_1 confirmations,"
-					"switch off interrupt mode.\n");
+				if (printk_ratelimit())
+					pr_info(PREFIX "missing confirmations, "
+						"switch off interrupt mode.\n");
 				clear_bit(EC_FLAGS_GPE_MODE, &ec->flags);
 			}
-			return 0;
+			goto end;
 		}
 	} else {
 		unsigned long delay = jiffies + msecs_to_jiffies(ACPI_EC_DELAY);
 		clear_bit(EC_FLAGS_WAIT_GPE, &ec->flags);
 		while (time_before(jiffies, delay)) {
 			if (acpi_ec_check_status(ec, event))
-				return 0;
+				goto end;
 		}
 	}
-	printk(KERN_ERR PREFIX "acpi_ec_wait timeout,"
+	pr_err(PREFIX "acpi_ec_wait timeout,"
 			       " status = %d, expect_event = %d\n",
 			       acpi_ec_read_status(ec), event);
-	return -ETIME;
+	ret = -ETIME;
+      end:
+	clear_bit(EC_FLAGS_ADDRESS, &ec->flags);
+	return ret;
 }
 
 static int acpi_ec_transaction_unlocked(struct acpi_ec *ec, u8 command,
@@ -208,22 +236,26 @@ static int acpi_ec_transaction_unlocked(struct acpi_ec *ec, u8 command,
 	int result = 0;
 	set_bit(EC_FLAGS_WAIT_GPE, &ec->flags);
 	acpi_ec_write_cmd(ec, command);
-
+	pr_debug(PREFIX "transaction start\n");
 	for (; wdata_len > 0; --wdata_len) {
 		result = acpi_ec_wait(ec, ACPI_EC_EVENT_IBF_0, force_poll);
 		if (result) {
-			printk(KERN_ERR PREFIX
+			pr_err(PREFIX
 			       "write_cmd timeout, command = %d\n", command);
 			goto end;
 		}
+		/* mark the address byte written to EC */
+		if (rdata_len + wdata_len > 1)
+			set_bit(EC_FLAGS_ADDRESS, &ec->flags);
 		set_bit(EC_FLAGS_WAIT_GPE, &ec->flags);
 		acpi_ec_write_data(ec, *(wdata++));
 	}
 
 	if (!rdata_len) {
+		set_bit(EC_FLAGS_WDATA, &ec->flags);
 		result = acpi_ec_wait(ec, ACPI_EC_EVENT_IBF_0, force_poll);
 		if (result) {
-			printk(KERN_ERR PREFIX
+			pr_err(PREFIX
 			       "finish-write timeout, command = %d\n", command);
 			goto end;
 		}
@@ -231,12 +263,9 @@ static int acpi_ec_transaction_unlocked(struct acpi_ec *ec, u8 command,
 		clear_bit(EC_FLAGS_QUERY_PENDING, &ec->flags);
 
 	for (; rdata_len > 0; --rdata_len) {
-		if (test_bit(EC_FLAGS_ONLY_IBF_GPE, &ec->flags))
-			force_poll = 1;
 		result = acpi_ec_wait(ec, ACPI_EC_EVENT_OBF_1, force_poll);
 		if (result) {
-			printk(KERN_ERR PREFIX "read timeout, command = %d\n",
-			       command);
+			pr_err(PREFIX "read timeout, command = %d\n", command);
 			goto end;
 		}
 		/* Don't expect GPE after last read */
@@ -245,6 +274,7 @@ static int acpi_ec_transaction_unlocked(struct acpi_ec *ec, u8 command,
 		*(rdata++) = acpi_ec_read_data(ec);
 	}
       end:
+	pr_debug(PREFIX "transaction end\n");
 	return result;
 }
 
@@ -273,8 +303,8 @@ static int acpi_ec_transaction(struct acpi_ec *ec, u8 command,
 
 	status = acpi_ec_wait(ec, ACPI_EC_EVENT_IBF_0, 0);
 	if (status) {
-		printk(KERN_ERR PREFIX
-		       "input buffer is not empty, aborting transaction\n");
+		pr_err(PREFIX "input buffer is not empty, "
+				"aborting transaction\n");
 		goto end;
 	}
 
@@ -488,6 +518,7 @@ static u32 acpi_ec_gpe_handler(void *data)
 	acpi_status status = AE_OK;
 	struct acpi_ec *ec = data;
 
+	pr_debug(PREFIX "~~~> interrupt\n");
 	clear_bit(EC_FLAGS_WAIT_GPE, &ec->flags);
 	if (test_bit(EC_FLAGS_GPE_MODE, &ec->flags))
 		wake_up(&ec->wait);
@@ -498,8 +529,9 @@ static u32 acpi_ec_gpe_handler(void *data)
 				acpi_ec_gpe_query, ec);
 	} else if (unlikely(!test_bit(EC_FLAGS_GPE_MODE, &ec->flags))) {
 		/* this is non-query, must be confirmation */
-		printk(KERN_INFO PREFIX "non-query interrupt received,"
-			" switching to interrupt mode\n");
+		if (printk_ratelimit())
+			pr_info(PREFIX "non-query interrupt received,"
+				" switching to interrupt mode\n");
 		set_bit(EC_FLAGS_GPE_MODE, &ec->flags);
 	}
 
@@ -701,10 +733,10 @@ static void ec_remove_handlers(struct acpi_ec *ec)
 {
 	if (ACPI_FAILURE(acpi_remove_address_space_handler(ec->handle,
 				ACPI_ADR_SPACE_EC, &acpi_ec_space_handler)))
-		printk(KERN_ERR PREFIX "failed to remove space handler\n");
+		pr_err(PREFIX "failed to remove space handler\n");
 	if (ACPI_FAILURE(acpi_remove_gpe_handler(NULL, ec->gpe,
 				&acpi_ec_gpe_handler)))
-		printk(KERN_ERR PREFIX "failed to remove gpe handler\n");
+		pr_err(PREFIX "failed to remove gpe handler\n");
 	ec->handlers_installed = 0;
 }
 
@@ -747,9 +779,9 @@ static int acpi_ec_add(struct acpi_device *device)
 		first_ec = ec;
 	acpi_driver_data(device) = ec;
 	acpi_ec_add_fs(device);
-	printk(KERN_INFO PREFIX "GPE = 0x%lx, I/O: command/status = 0x%lx, data = 0x%lx\n",
+	pr_info(PREFIX "GPE = 0x%lx, I/O: command/status = 0x%lx, data = 0x%lx\n",
 			  ec->gpe, ec->command_addr, ec->data_addr);
-	printk(KERN_INFO PREFIX "driver started in %s mode\n",
+	pr_info(PREFIX "driver started in %s mode\n",
 		(test_bit(EC_FLAGS_GPE_MODE, &ec->flags))?"interrupt":"poll");
 	return 0;
 }
@@ -875,18 +907,26 @@ int __init acpi_ec_ecdt_probe(void)
 	status = acpi_get_table(ACPI_SIG_ECDT, 1,
 				(struct acpi_table_header **)&ecdt_ptr);
 	if (ACPI_SUCCESS(status)) {
-		printk(KERN_INFO PREFIX "EC description table is found, configuring boot EC\n");
+		pr_info(PREFIX "EC description table is found, configuring boot EC\n");
 		boot_ec->command_addr = ecdt_ptr->control.address;
 		boot_ec->data_addr = ecdt_ptr->data.address;
 		boot_ec->gpe = ecdt_ptr->gpe;
 		boot_ec->handle = ACPI_ROOT_OBJECT;
 	} else {
+		/* This workaround is needed only on some broken machines,
+		 * which require early EC, but fail to provide ECDT */
+		acpi_handle x;
 		printk(KERN_DEBUG PREFIX "Look up EC in DSDT\n");
 		status = acpi_get_devices(ec_device_ids[0].id, ec_parse_device,
 						boot_ec, NULL);
 		/* Check that acpi_get_devices actually find something */
 		if (ACPI_FAILURE(status) || !boot_ec->handle)
 			goto error;
+		/* We really need to limit this workaround, the only ASUS,
+		 * which needs it, has fake EC._INI method, so use it as flag.
+		 */
+		if (ACPI_FAILURE(acpi_get_handle(boot_ec->handle, "_INI", &x)))
+			goto error;
 	}
 
 	ret = ec_install_handlers(boot_ec);
diff --git a/drivers/acpi/osl.c b/drivers/acpi/osl.c
index aabc6ca4a81c..e3a673a00845 100644
--- a/drivers/acpi/osl.c
+++ b/drivers/acpi/osl.c
@@ -387,17 +387,14 @@ acpi_status acpi_os_read_port(acpi_io_address port, u32 * value, u32 width)
 	if (!value)
 		value = &dummy;
 
-	switch (width) {
-	case 8:
+	*value = 0;
+	if (width <= 8) {
 		*(u8 *) value = inb(port);
-		break;
-	case 16:
+	} else if (width <= 16) {
 		*(u16 *) value = inw(port);
-		break;
-	case 32:
+	} else if (width <= 32) {
 		*(u32 *) value = inl(port);
-		break;
-	default:
+	} else {
 		BUG();
 	}
 
@@ -408,17 +405,13 @@ EXPORT_SYMBOL(acpi_os_read_port);
 
 acpi_status acpi_os_write_port(acpi_io_address port, u32 value, u32 width)
 {
-	switch (width) {
-	case 8:
+	if (width <= 8) {
 		outb(value, port);
-		break;
-	case 16:
+	} else if (width <= 16) {
 		outw(value, port);
-		break;
-	case 32:
+	} else if (width <= 32) {
 		outl(value, port);
-		break;
-	default:
+	} else {
 		BUG();
 	}
 
diff --git a/drivers/acpi/processor_core.c b/drivers/acpi/processor_core.c
index 235a51e328c3..e48ee4f8749f 100644
--- a/drivers/acpi/processor_core.c
+++ b/drivers/acpi/processor_core.c
@@ -494,7 +494,7 @@ static int get_cpu_id(acpi_handle handle, u32 acpi_id)
 	if (apic_id == -1)
 		return apic_id;
 
-	for (i = 0; i < NR_CPUS; ++i) {
+	for_each_possible_cpu(i) {
 		if (cpu_physical_id(i) == apic_id)
 			return i;
 	}
@@ -612,12 +612,6 @@ static int acpi_processor_get_info(struct acpi_processor *pr, unsigned has_uid)
 		request_region(pr->throttling.address, 6, "ACPI CPU throttle");
 	}
 
-#ifdef CONFIG_CPU_FREQ
-	acpi_processor_ppc_has_changed(pr);
-#endif
-	acpi_processor_get_throttling_info(pr);
-	acpi_processor_get_limit_info(pr);
-
 	return 0;
 }
 
@@ -638,7 +632,7 @@ static int __cpuinit acpi_processor_start(struct acpi_device *device)
 		return 0;
 	}
 
-	BUG_ON((pr->id >= NR_CPUS) || (pr->id < 0));
+	BUG_ON((pr->id >= nr_cpu_ids) || (pr->id < 0));
 
 	/*
 	 * Buggy BIOS check
@@ -647,7 +641,7 @@ static int __cpuinit acpi_processor_start(struct acpi_device *device)
 	 */
 	if (processor_device_array[pr->id] != NULL &&
 	    processor_device_array[pr->id] != device) {
-		printk(KERN_WARNING "BIOS reported wrong ACPI id"
+		printk(KERN_WARNING "BIOS reported wrong ACPI id "
 			"for the processor\n");
 		return -ENODEV;
 	}
@@ -665,6 +659,12 @@ static int __cpuinit acpi_processor_start(struct acpi_device *device)
 	/* _PDC call should be done before doing anything else (if reqd.). */
 	arch_acpi_processor_init_pdc(pr);
 	acpi_processor_set_pdc(pr);
+#ifdef CONFIG_CPU_FREQ
+	acpi_processor_ppc_has_changed(pr);
+#endif
+	acpi_processor_get_throttling_info(pr);
+	acpi_processor_get_limit_info(pr);
+
 
 	acpi_processor_power_init(pr, device);
 
@@ -684,7 +684,7 @@ static void acpi_processor_notify(acpi_handle handle, u32 event, void *data)
 {
 	struct acpi_processor *pr = data;
 	struct acpi_device *device = NULL;
-
+	int saved;
 
 	if (!pr)
 		return;
@@ -694,7 +694,10 @@ static void acpi_processor_notify(acpi_handle handle, u32 event, void *data)
 
 	switch (event) {
 	case ACPI_PROCESSOR_NOTIFY_PERFORMANCE:
+		saved = pr->performance_platform_limit;
 		acpi_processor_ppc_has_changed(pr);
+		if (saved == pr->performance_platform_limit)
+			break;
 		acpi_bus_generate_proc_event(device, event,
 					pr->performance_platform_limit);
 		acpi_bus_generate_netlink_event(device->pnp.device_class,
@@ -771,7 +774,7 @@ static int acpi_processor_remove(struct acpi_device *device, int type)
 
 	pr = acpi_driver_data(device);
 
-	if (pr->id >= NR_CPUS) {
+	if (pr->id >= nr_cpu_ids) {
 		kfree(pr);
 		return 0;
 	}
@@ -842,7 +845,7 @@ int acpi_processor_device_add(acpi_handle handle, struct acpi_device **device)
 	if (!pr)
 		return -ENODEV;
 
-	if ((pr->id >= 0) && (pr->id < NR_CPUS)) {
+	if ((pr->id >= 0) && (pr->id < nr_cpu_ids)) {
 		kobject_uevent(&(*device)->dev.kobj, KOBJ_ONLINE);
 	}
 	return 0;
@@ -880,13 +883,13 @@ acpi_processor_hotplug_notify(acpi_handle handle, u32 event, void *data)
 			break;
 		}
 
-		if (pr->id >= 0 && (pr->id < NR_CPUS)) {
+		if (pr->id >= 0 && (pr->id < nr_cpu_ids)) {
 			kobject_uevent(&device->dev.kobj, KOBJ_OFFLINE);
 			break;
 		}
 
 		result = acpi_processor_start(device);
-		if ((!result) && ((pr->id >= 0) && (pr->id < NR_CPUS))) {
+		if ((!result) && ((pr->id >= 0) && (pr->id < nr_cpu_ids))) {
 			kobject_uevent(&device->dev.kobj, KOBJ_ONLINE);
 		} else {
 			printk(KERN_ERR PREFIX "Device [%s] failed to start\n",
@@ -909,7 +912,7 @@ acpi_processor_hotplug_notify(acpi_handle handle, u32 event, void *data)
 			return;
 		}
 
-		if ((pr->id < NR_CPUS) && (cpu_present(pr->id)))
+		if ((pr->id < nr_cpu_ids) && (cpu_present(pr->id)))
 			kobject_uevent(&device->dev.kobj, KOBJ_OFFLINE);
 		break;
 	default:
diff --git a/drivers/acpi/processor_idle.c b/drivers/acpi/processor_idle.c
index f996d0e37689..b1fbee3f7fe1 100644
--- a/drivers/acpi/processor_idle.c
+++ b/drivers/acpi/processor_idle.c
@@ -197,6 +197,19 @@ static inline u32 ticks_elapsed_in_us(u32 t1, u32 t2)
 		return PM_TIMER_TICKS_TO_US((0xFFFFFFFF - t1) + t2);
 }
 
+static void acpi_safe_halt(void)
+{
+	current_thread_info()->status &= ~TS_POLLING;
+	/*
+	 * TS_POLLING-cleared state must be visible before we
+	 * test NEED_RESCHED:
+	 */
+	smp_mb();
+	if (!need_resched())
+		safe_halt();
+	current_thread_info()->status |= TS_POLLING;
+}
+
 #ifndef CONFIG_CPU_IDLE
 
 static void
@@ -239,19 +252,6 @@ acpi_processor_power_activate(struct acpi_processor *pr,
 	return;
 }
 
-static void acpi_safe_halt(void)
-{
-	current_thread_info()->status &= ~TS_POLLING;
-	/*
-	 * TS_POLLING-cleared state must be visible before we
-	 * test NEED_RESCHED:
-	 */
-	smp_mb();
-	if (!need_resched())
-		safe_halt();
-	current_thread_info()->status |= TS_POLLING;
-}
-
 static atomic_t c3_cpu_count;
 
 /* Common C-state entry for C2, C3, .. */
@@ -1373,15 +1373,7 @@ static int acpi_idle_enter_c1(struct cpuidle_device *dev,
 	if (pr->flags.bm_check)
 		acpi_idle_update_bm_rld(pr, cx);
 
-	current_thread_info()->status &= ~TS_POLLING;
-	/*
-	 * TS_POLLING-cleared state must be visible before we test
-	 * NEED_RESCHED:
-	 */
-	smp_mb();
-	if (!need_resched())
-		safe_halt();
-	current_thread_info()->status |= TS_POLLING;
+	acpi_safe_halt();
 
 	cx->usage++;
 
@@ -1399,6 +1391,8 @@ static int acpi_idle_enter_simple(struct cpuidle_device *dev,
 	struct acpi_processor *pr;
 	struct acpi_processor_cx *cx = cpuidle_get_statedata(state);
 	u32 t1, t2;
+	int sleep_ticks = 0;
+
 	pr = processors[smp_processor_id()];
 
 	if (unlikely(!pr))
@@ -1428,6 +1422,8 @@ static int acpi_idle_enter_simple(struct cpuidle_device *dev,
 		ACPI_FLUSH_CPU_CACHE();
 
 	t1 = inl(acpi_gbl_FADT.xpm_timer_block.address);
+	/* Tell the scheduler that we are going deep-idle: */
+	sched_clock_idle_sleep_event();
 	acpi_state_timer_broadcast(pr, cx, 1);
 	acpi_idle_do_entry(cx);
 	t2 = inl(acpi_gbl_FADT.xpm_timer_block.address);
@@ -1436,6 +1432,10 @@ static int acpi_idle_enter_simple(struct cpuidle_device *dev,
 	/* TSC could halt in idle, so notify users */
 	mark_tsc_unstable("TSC halts in idle");;
 #endif
+	sleep_ticks = ticks_elapsed(t1, t2);
+
+	/* Tell the scheduler how much we idled: */
+	sched_clock_idle_wakeup_event(sleep_ticks*PM_TIMER_TICK_NS);
 
 	local_irq_enable();
 	current_thread_info()->status |= TS_POLLING;
@@ -1443,7 +1443,7 @@ static int acpi_idle_enter_simple(struct cpuidle_device *dev,
 	cx->usage++;
 
 	acpi_state_timer_broadcast(pr, cx, 0);
-	cx->time += ticks_elapsed(t1, t2);
+	cx->time += sleep_ticks;
 	return ticks_elapsed_in_us(t1, t2);
 }
 
@@ -1463,6 +1463,8 @@ static int acpi_idle_enter_bm(struct cpuidle_device *dev,
 	struct acpi_processor *pr;
 	struct acpi_processor_cx *cx = cpuidle_get_statedata(state);
 	u32 t1, t2;
+	int sleep_ticks = 0;
+
 	pr = processors[smp_processor_id()];
 
 	if (unlikely(!pr))
@@ -1471,6 +1473,15 @@ static int acpi_idle_enter_bm(struct cpuidle_device *dev,
 	if (acpi_idle_suspend)
 		return(acpi_idle_enter_c1(dev, state));
 
+	if (acpi_idle_bm_check()) {
+		if (dev->safe_state) {
+			return dev->safe_state->enter(dev, dev->safe_state);
+		} else {
+			acpi_safe_halt();
+			return 0;
+		}
+	}
+
 	local_irq_disable();
 	current_thread_info()->status &= ~TS_POLLING;
 	/*
@@ -1485,38 +1496,45 @@ static int acpi_idle_enter_bm(struct cpuidle_device *dev,
 		return 0;
 	}
 
+	/* Tell the scheduler that we are going deep-idle: */
+	sched_clock_idle_sleep_event();
 	/*
 	 * Must be done before busmaster disable as we might need to
 	 * access HPET !
 	 */
 	acpi_state_timer_broadcast(pr, cx, 1);
 
-	if (acpi_idle_bm_check()) {
-		cx = pr->power.bm_state;
-
-		acpi_idle_update_bm_rld(pr, cx);
-
-		t1 = inl(acpi_gbl_FADT.xpm_timer_block.address);
-		acpi_idle_do_entry(cx);
-		t2 = inl(acpi_gbl_FADT.xpm_timer_block.address);
-	} else {
-		acpi_idle_update_bm_rld(pr, cx);
+	acpi_idle_update_bm_rld(pr, cx);
 
+	/*
+	 * disable bus master
+	 * bm_check implies we need ARB_DIS
+	 * !bm_check implies we need cache flush
+	 * bm_control implies whether we can do ARB_DIS
+	 *
+	 * That leaves a case where bm_check is set and bm_control is
+	 * not set. In that case we cannot do much, we enter C3
+	 * without doing anything.
+	 */
+	if (pr->flags.bm_check && pr->flags.bm_control) {
 		spin_lock(&c3_lock);
 		c3_cpu_count++;
 		/* Disable bus master arbitration when all CPUs are in C3 */
 		if (c3_cpu_count == num_online_cpus())
 			acpi_set_register(ACPI_BITREG_ARB_DISABLE, 1);
 		spin_unlock(&c3_lock);
+	} else if (!pr->flags.bm_check) {
+		ACPI_FLUSH_CPU_CACHE();
+	}
 
-		t1 = inl(acpi_gbl_FADT.xpm_timer_block.address);
-		acpi_idle_do_entry(cx);
-		t2 = inl(acpi_gbl_FADT.xpm_timer_block.address);
+	t1 = inl(acpi_gbl_FADT.xpm_timer_block.address);
+	acpi_idle_do_entry(cx);
+	t2 = inl(acpi_gbl_FADT.xpm_timer_block.address);
 
+	/* Re-enable bus master arbitration */
+	if (pr->flags.bm_check && pr->flags.bm_control) {
 		spin_lock(&c3_lock);
-		/* Re-enable bus master arbitration */
-		if (c3_cpu_count == num_online_cpus())
-			acpi_set_register(ACPI_BITREG_ARB_DISABLE, 0);
+		acpi_set_register(ACPI_BITREG_ARB_DISABLE, 0);
 		c3_cpu_count--;
 		spin_unlock(&c3_lock);
 	}
@@ -1525,6 +1543,9 @@ static int acpi_idle_enter_bm(struct cpuidle_device *dev,
 	/* TSC could halt in idle, so notify users */
 	mark_tsc_unstable("TSC halts in idle");
 #endif
+	sleep_ticks = ticks_elapsed(t1, t2);
+	/* Tell the scheduler how much we idled: */
+	sched_clock_idle_wakeup_event(sleep_ticks*PM_TIMER_TICK_NS);
 
 	local_irq_enable();
 	current_thread_info()->status |= TS_POLLING;
@@ -1532,7 +1553,7 @@ static int acpi_idle_enter_bm(struct cpuidle_device *dev,
 	cx->usage++;
 
 	acpi_state_timer_broadcast(pr, cx, 0);
-	cx->time += ticks_elapsed(t1, t2);
+	cx->time += sleep_ticks;
 	return ticks_elapsed_in_us(t1, t2);
 }
 
@@ -1584,12 +1605,14 @@ static int acpi_processor_setup_cpuidle(struct acpi_processor *pr)
 			case ACPI_STATE_C1:
 			state->flags |= CPUIDLE_FLAG_SHALLOW;
 			state->enter = acpi_idle_enter_c1;
+			dev->safe_state = state;
 			break;
 
 			case ACPI_STATE_C2:
 			state->flags |= CPUIDLE_FLAG_BALANCED;
 			state->flags |= CPUIDLE_FLAG_TIME_VALID;
 			state->enter = acpi_idle_enter_simple;
+			dev->safe_state = state;
 			break;
 
 			case ACPI_STATE_C3:
@@ -1610,14 +1633,6 @@ static int acpi_processor_setup_cpuidle(struct acpi_processor *pr)
 	if (!count)
 		return -EINVAL;
 
-	/* find the deepest state that can handle active BM */
-	if (pr->flags.bm_check) {
-		for (i = 1; i < ACPI_PROCESSOR_MAX_POWER && i <= max_cstate; i++)
-			if (pr->power.states[i].type == ACPI_STATE_C3)
-				break;
-		pr->power.bm_state = &pr->power.states[i-1];
-	}
-
 	return 0;
 }
 
@@ -1658,6 +1673,7 @@ int __cpuinit acpi_processor_power_init(struct acpi_processor *pr,
 
 	if (!first_run) {
 		dmi_check_system(processor_power_dmi_table);
+		max_cstate = acpi_processor_cstate_check(max_cstate);
 		if (max_cstate < ACPI_C_STATES_MAX)
 			printk(KERN_NOTICE
 			       "ACPI: processor limited to max C-state %d\n",
diff --git a/drivers/acpi/processor_throttling.c b/drivers/acpi/processor_throttling.c
index 0b8204e7082a..c26c61fb36c3 100644
--- a/drivers/acpi/processor_throttling.c
+++ b/drivers/acpi/processor_throttling.c
@@ -70,7 +70,55 @@ static int acpi_processor_get_platform_limit(struct acpi_processor *pr)
 
 int acpi_processor_tstate_has_changed(struct acpi_processor *pr)
 {
-	return acpi_processor_get_platform_limit(pr);
+	int result = 0;
+	int throttling_limit;
+	int current_state;
+	struct acpi_processor_limit *limit;
+	int target_state;
+
+	result = acpi_processor_get_platform_limit(pr);
+	if (result) {
+		/* Throttling Limit is unsupported */
+		return result;
+	}
+
+	throttling_limit = pr->throttling_platform_limit;
+	if (throttling_limit >= pr->throttling.state_count) {
+		/* Uncorrect Throttling Limit */
+		return -EINVAL;
+	}
+
+	current_state = pr->throttling.state;
+	if (current_state > throttling_limit) {
+		/*
+		 * The current state can meet the requirement of
+		 * _TPC limit. But it is reasonable that OSPM changes
+		 * t-states from high to low for better performance.
+		 * Of course the limit condition of thermal
+		 * and user should be considered.
+		 */
+		limit = &pr->limit;
+		target_state = throttling_limit;
+		if (limit->thermal.tx > target_state)
+			target_state = limit->thermal.tx;
+		if (limit->user.tx > target_state)
+			target_state = limit->user.tx;
+	} else if (current_state == throttling_limit) {
+		/*
+		 * Unnecessary to change the throttling state
+		 */
+		return 0;
+	} else {
+		/*
+		 * If the current state is lower than the limit of _TPC, it
+		 * will be forced to switch to the throttling state defined
+		 * by throttling_platfor_limit.
+		 * Because the previous state meets with the limit condition
+		 * of thermal and user, it is unnecessary to check it again.
+		 */
+		target_state = throttling_limit;
+	}
+	return acpi_processor_set_throttling(pr, target_state);
 }
 
 /*
@@ -83,6 +131,7 @@ static int acpi_processor_get_throttling_control(struct acpi_processor *pr)
 	struct acpi_buffer buffer = { ACPI_ALLOCATE_BUFFER, NULL };
 	union acpi_object *ptc = NULL;
 	union acpi_object obj = { 0 };
+	struct acpi_processor_throttling *throttling;
 
 	status = acpi_evaluate_object(pr->handle, "_PTC", NULL, &buffer);
 	if (ACPI_FAILURE(status)) {
@@ -134,6 +183,22 @@ static int acpi_processor_get_throttling_control(struct acpi_processor *pr)
 	memcpy(&pr->throttling.status_register, obj.buffer.pointer,
 	       sizeof(struct acpi_ptc_register));
 
+	throttling = &pr->throttling;
+
+	if ((throttling->control_register.bit_width +
+		throttling->control_register.bit_offset) > 32) {
+		printk(KERN_ERR PREFIX "Invalid _PTC control register\n");
+		result = -EFAULT;
+		goto end;
+	}
+
+	if ((throttling->status_register.bit_width +
+		throttling->status_register.bit_offset) > 32) {
+		printk(KERN_ERR PREFIX "Invalid _PTC status register\n");
+		result = -EFAULT;
+		goto end;
+	}
+
       end:
 	kfree(buffer.pointer);
 
@@ -328,44 +393,132 @@ static int acpi_processor_get_throttling_fadt(struct acpi_processor *pr)
 	return 0;
 }
 
-static int acpi_read_throttling_status(struct acpi_processor_throttling
-				       *throttling)
+#ifdef CONFIG_X86
+static int acpi_throttling_rdmsr(struct acpi_processor *pr,
+					acpi_integer * value)
 {
-	int value = -1;
+	struct cpuinfo_x86 *c;
+	u64 msr_high, msr_low;
+	unsigned int cpu;
+	u64 msr = 0;
+	int ret = -1;
+
+	cpu = pr->id;
+	c = &cpu_data(cpu);
+
+	if ((c->x86_vendor != X86_VENDOR_INTEL) ||
+		!cpu_has(c, X86_FEATURE_ACPI)) {
+		printk(KERN_ERR PREFIX
+			"HARDWARE addr space,NOT supported yet\n");
+	} else {
+		msr_low = 0;
+		msr_high = 0;
+		rdmsr_on_cpu(cpu, MSR_IA32_THERM_CONTROL,
+			(u32 *)&msr_low , (u32 *) &msr_high);
+		msr = (msr_high << 32) | msr_low;
+		*value = (acpi_integer) msr;
+		ret = 0;
+	}
+	return ret;
+}
+
+static int acpi_throttling_wrmsr(struct acpi_processor *pr, acpi_integer value)
+{
+	struct cpuinfo_x86 *c;
+	unsigned int cpu;
+	int ret = -1;
+	u64 msr;
+
+	cpu = pr->id;
+	c = &cpu_data(cpu);
+
+	if ((c->x86_vendor != X86_VENDOR_INTEL) ||
+		!cpu_has(c, X86_FEATURE_ACPI)) {
+		printk(KERN_ERR PREFIX
+			"HARDWARE addr space,NOT supported yet\n");
+	} else {
+		msr = value;
+		wrmsr_on_cpu(cpu, MSR_IA32_THERM_CONTROL,
+			msr & 0xffffffff, msr >> 32);
+		ret = 0;
+	}
+	return ret;
+}
+#else
+static int acpi_throttling_rdmsr(struct acpi_processor *pr,
+				acpi_integer * value)
+{
+	printk(KERN_ERR PREFIX
+		"HARDWARE addr space,NOT supported yet\n");
+	return -1;
+}
+
+static int acpi_throttling_wrmsr(struct acpi_processor *pr, acpi_integer value)
+{
+	printk(KERN_ERR PREFIX
+		"HARDWARE addr space,NOT supported yet\n");
+	return -1;
+}
+#endif
+
+static int acpi_read_throttling_status(struct acpi_processor *pr,
+					acpi_integer *value)
+{
+	u32 bit_width, bit_offset;
+	u64 ptc_value;
+	u64 ptc_mask;
+	struct acpi_processor_throttling *throttling;
+	int ret = -1;
+
+	throttling = &pr->throttling;
 	switch (throttling->status_register.space_id) {
 	case ACPI_ADR_SPACE_SYSTEM_IO:
+		ptc_value = 0;
+		bit_width = throttling->status_register.bit_width;
+		bit_offset = throttling->status_register.bit_offset;
+
 		acpi_os_read_port((acpi_io_address) throttling->status_register.
-				  address, &value,
-				  (u32) throttling->status_register.bit_width *
-				  8);
+				  address, (u32 *) &ptc_value,
+				  (u32) (bit_width + bit_offset));
+		ptc_mask = (1 << bit_width) - 1;
+		*value = (acpi_integer) ((ptc_value >> bit_offset) & ptc_mask);
+		ret = 0;
 		break;
 	case ACPI_ADR_SPACE_FIXED_HARDWARE:
-		printk(KERN_ERR PREFIX
-		       "HARDWARE addr space,NOT supported yet\n");
+		ret = acpi_throttling_rdmsr(pr, value);
 		break;
 	default:
 		printk(KERN_ERR PREFIX "Unknown addr space %d\n",
 		       (u32) (throttling->status_register.space_id));
 	}
-	return value;
+	return ret;
 }
 
-static int acpi_write_throttling_state(struct acpi_processor_throttling
-				       *throttling, int value)
+static int acpi_write_throttling_state(struct acpi_processor *pr,
+				acpi_integer value)
 {
+	u32 bit_width, bit_offset;
+	u64 ptc_value;
+	u64 ptc_mask;
+	struct acpi_processor_throttling *throttling;
 	int ret = -1;
 
+	throttling = &pr->throttling;
 	switch (throttling->control_register.space_id) {
 	case ACPI_ADR_SPACE_SYSTEM_IO:
+		bit_width = throttling->control_register.bit_width;
+		bit_offset = throttling->control_register.bit_offset;
+		ptc_mask = (1 << bit_width) - 1;
+		ptc_value = value & ptc_mask;
+
 		acpi_os_write_port((acpi_io_address) throttling->
-				   control_register.address, value,
-				   (u32) throttling->control_register.
-				   bit_width * 8);
+					control_register.address,
+					(u32) (ptc_value << bit_offset),
+					(u32) (bit_width + bit_offset));
 		ret = 0;
 		break;
 	case ACPI_ADR_SPACE_FIXED_HARDWARE:
-		printk(KERN_ERR PREFIX
-		       "HARDWARE addr space,NOT supported yet\n");
+		ret = acpi_throttling_wrmsr(pr, value);
 		break;
 	default:
 		printk(KERN_ERR PREFIX "Unknown addr space %d\n",
@@ -374,7 +527,8 @@ static int acpi_write_throttling_state(struct acpi_processor_throttling
 	return ret;
 }
 
-static int acpi_get_throttling_state(struct acpi_processor *pr, int value)
+static int acpi_get_throttling_state(struct acpi_processor *pr,
+				acpi_integer value)
 {
 	int i;
 
@@ -390,22 +544,26 @@ static int acpi_get_throttling_state(struct acpi_processor *pr, int value)
 	return i;
 }
 
-static int acpi_get_throttling_value(struct acpi_processor *pr, int state)
+static int acpi_get_throttling_value(struct acpi_processor *pr,
+			int state, acpi_integer *value)
 {
-	int value = -1;
+	int ret = -1;
+
 	if (state >= 0 && state <= pr->throttling.state_count) {
 		struct acpi_processor_tx_tss *tx =
 		    (struct acpi_processor_tx_tss *)&(pr->throttling.
 						      states_tss[state]);
-		value = tx->control;
+		*value = tx->control;
+		ret = 0;
 	}
-	return value;
+	return ret;
 }
 
 static int acpi_processor_get_throttling_ptc(struct acpi_processor *pr)
 {
 	int state = 0;
-	u32 value = 0;
+	int ret;
+	acpi_integer value;
 
 	if (!pr)
 		return -EINVAL;
@@ -415,8 +573,9 @@ static int acpi_processor_get_throttling_ptc(struct acpi_processor *pr)
 
 	pr->throttling.state = 0;
 	local_irq_disable();
-	value = acpi_read_throttling_status(&pr->throttling);
-	if (value >= 0) {
+	value = 0;
+	ret = acpi_read_throttling_status(pr, &value);
+	if (ret >= 0) {
 		state = acpi_get_throttling_state(pr, value);
 		pr->throttling.state = state;
 	}
@@ -430,6 +589,40 @@ static int acpi_processor_get_throttling(struct acpi_processor *pr)
 	return pr->throttling.acpi_processor_get_throttling(pr);
 }
 
+static int acpi_processor_get_fadt_info(struct acpi_processor *pr)
+{
+	int i, step;
+
+	if (!pr->throttling.address) {
+		ACPI_DEBUG_PRINT((ACPI_DB_INFO, "No throttling register\n"));
+		return -EINVAL;
+	} else if (!pr->throttling.duty_width) {
+		ACPI_DEBUG_PRINT((ACPI_DB_INFO, "No throttling states\n"));
+		return -EINVAL;
+	}
+	/* TBD: Support duty_cycle values that span bit 4. */
+	else if ((pr->throttling.duty_offset + pr->throttling.duty_width) > 4) {
+		printk(KERN_WARNING PREFIX "duty_cycle spans bit 4\n");
+		return -EINVAL;
+	}
+
+	pr->throttling.state_count = 1 << acpi_gbl_FADT.duty_width;
+
+	/*
+	 * Compute state values. Note that throttling displays a linear power
+	 * performance relationship (at 50% performance the CPU will consume
+	 * 50% power).  Values are in 1/10th of a percent to preserve accuracy.
+	 */
+
+	step = (1000 / pr->throttling.state_count);
+
+	for (i = 0; i < pr->throttling.state_count; i++) {
+		pr->throttling.states[i].performance = 1000 - step * i;
+		pr->throttling.states[i].power = 1000 - step * i;
+	}
+	return 0;
+}
+
 static int acpi_processor_set_throttling_fadt(struct acpi_processor *pr,
 					      int state)
 {
@@ -506,7 +699,8 @@ static int acpi_processor_set_throttling_fadt(struct acpi_processor *pr,
 static int acpi_processor_set_throttling_ptc(struct acpi_processor *pr,
 					     int state)
 {
-	u32 value = 0;
+	int ret;
+	acpi_integer value;
 
 	if (!pr)
 		return -EINVAL;
@@ -524,10 +718,10 @@ static int acpi_processor_set_throttling_ptc(struct acpi_processor *pr,
 		return -EPERM;
 
 	local_irq_disable();
-
-	value = acpi_get_throttling_value(pr, state);
-	if (value >= 0) {
-		acpi_write_throttling_state(&pr->throttling, value);
+	value = 0;
+	ret = acpi_get_throttling_value(pr, state, &value);
+	if (ret >= 0) {
+		acpi_write_throttling_state(pr, value);
 		pr->throttling.state = state;
 	}
 	local_irq_enable();
@@ -543,8 +737,6 @@ int acpi_processor_set_throttling(struct acpi_processor *pr, int state)
 int acpi_processor_get_throttling_info(struct acpi_processor *pr)
 {
 	int result = 0;
-	int step = 0;
-	int i = 0;
 
 	ACPI_DEBUG_PRINT((ACPI_DB_INFO,
 			  "pblk_address[0x%08x] duty_offset[%d] duty_width[%d]\n",
@@ -563,6 +755,8 @@ int acpi_processor_get_throttling_info(struct acpi_processor *pr)
 		acpi_processor_get_throttling_states(pr) ||
 		acpi_processor_get_platform_limit(pr))
 	{
+		if (acpi_processor_get_fadt_info(pr))
+			return 0;
 		pr->throttling.acpi_processor_get_throttling =
 		    &acpi_processor_get_throttling_fadt;
 		pr->throttling.acpi_processor_set_throttling =
@@ -576,19 +770,6 @@ int acpi_processor_get_throttling_info(struct acpi_processor *pr)
 
 	acpi_processor_get_tsd(pr);
 
-	if (!pr->throttling.address) {
-		ACPI_DEBUG_PRINT((ACPI_DB_INFO, "No throttling register\n"));
-		return 0;
-	} else if (!pr->throttling.duty_width) {
-		ACPI_DEBUG_PRINT((ACPI_DB_INFO, "No throttling states\n"));
-		return 0;
-	}
-	/* TBD: Support duty_cycle values that span bit 4. */
-	else if ((pr->throttling.duty_offset + pr->throttling.duty_width) > 4) {
-		printk(KERN_WARNING PREFIX "duty_cycle spans bit 4\n");
-		return 0;
-	}
-
 	/*
 	 * PIIX4 Errata: We don't support throttling on the original PIIX4.
 	 * This shouldn't be an issue as few (if any) mobile systems ever
@@ -600,21 +781,6 @@ int acpi_processor_get_throttling_info(struct acpi_processor *pr)
 		return 0;
 	}
 
-	pr->throttling.state_count = 1 << acpi_gbl_FADT.duty_width;
-
-	/*
-	 * Compute state values. Note that throttling displays a linear power/
-	 * performance relationship (at 50% performance the CPU will consume
-	 * 50% power).  Values are in 1/10th of a percent to preserve accuracy.
-	 */
-
-	step = (1000 / pr->throttling.state_count);
-
-	for (i = 0; i < pr->throttling.state_count; i++) {
-		pr->throttling.states[i].performance = step * i;
-		pr->throttling.states[i].power = step * i;
-	}
-
 	ACPI_DEBUG_PRINT((ACPI_DB_INFO, "Found %d throttling states\n",
 			  pr->throttling.state_count));
 
diff --git a/drivers/acpi/sbs.c b/drivers/acpi/sbs.c
index 90fd09c65f95..6045cdbe176b 100644
--- a/drivers/acpi/sbs.c
+++ b/drivers/acpi/sbs.c
@@ -29,7 +29,7 @@
 #include <linux/moduleparam.h>
 #include <linux/kernel.h>
 
-#ifdef CONFIG_ACPI_PROCFS
+#ifdef CONFIG_ACPI_PROCFS_POWER
 #include <linux/proc_fs.h>
 #include <linux/seq_file.h>
 #include <asm/uaccess.h>
@@ -88,7 +88,7 @@ MODULE_DEVICE_TABLE(acpi, sbs_device_ids);
 struct acpi_battery {
 	struct power_supply bat;
 	struct acpi_sbs *sbs;
-#ifdef CONFIG_ACPI_PROCFS
+#ifdef CONFIG_ACPI_PROCFS_POWER
 	struct proc_dir_entry *proc_entry;
 #endif
 	unsigned long update_time;
@@ -113,6 +113,7 @@ struct acpi_battery {
 	u16 spec;
 	u8 id;
 	u8 present:1;
+	u8 have_sysfs_alarm:1;
 };
 
 #define to_acpi_battery(x) container_of(x, struct acpi_battery, bat);
@@ -122,7 +123,7 @@ struct acpi_sbs {
 	struct acpi_device *device;
 	struct acpi_smb_hc *hc;
 	struct mutex lock;
-#ifdef CONFIG_ACPI_PROCFS
+#ifdef CONFIG_ACPI_PROCFS_POWER
 	struct proc_dir_entry *charger_entry;
 #endif
 	struct acpi_battery battery[MAX_SBS_BAT];
@@ -468,7 +469,7 @@ static struct device_attribute alarm_attr = {
                               FS Interface (/proc/acpi)
    -------------------------------------------------------------------------- */
 
-#ifdef CONFIG_ACPI_PROCFS
+#ifdef CONFIG_ACPI_PROCFS_POWER
 /* Generic Routines */
 static int
 acpi_sbs_add_fs(struct proc_dir_entry **dir,
@@ -789,7 +790,7 @@ static int acpi_battery_add(struct acpi_sbs *sbs, int id)
 		return result;
 
 	sprintf(battery->name, ACPI_BATTERY_DIR_NAME, id);
-#ifdef CONFIG_ACPI_PROCFS
+#ifdef CONFIG_ACPI_PROCFS_POWER
 	acpi_sbs_add_fs(&battery->proc_entry, acpi_battery_dir,
 			battery->name, &acpi_battery_info_fops,
 			&acpi_battery_state_fops, &acpi_battery_alarm_fops,
@@ -808,7 +809,13 @@ static int acpi_battery_add(struct acpi_sbs *sbs, int id)
 	}
 	battery->bat.get_property = acpi_sbs_battery_get_property;
 	result = power_supply_register(&sbs->device->dev, &battery->bat);
-	device_create_file(battery->bat.dev, &alarm_attr);
+	if (result)
+		goto end;
+	result = device_create_file(battery->bat.dev, &alarm_attr);
+	if (result)
+		goto end;
+	battery->have_sysfs_alarm = 1;
+      end:
 	printk(KERN_INFO PREFIX "%s [%s]: Battery Slot [%s] (battery %s)\n",
 	       ACPI_SBS_DEVICE_NAME, acpi_device_bid(sbs->device),
 	       battery->name, sbs->battery->present ? "present" : "absent");
@@ -817,14 +824,16 @@ static int acpi_battery_add(struct acpi_sbs *sbs, int id)
 
 static void acpi_battery_remove(struct acpi_sbs *sbs, int id)
 {
-	if (sbs->battery[id].bat.dev)
-		device_remove_file(sbs->battery[id].bat.dev, &alarm_attr);
-		power_supply_unregister(&sbs->battery[id].bat);
-#ifdef CONFIG_ACPI_PROCFS
-	if (sbs->battery[id].proc_entry) {
-		acpi_sbs_remove_fs(&(sbs->battery[id].proc_entry),
-				   acpi_battery_dir);
+	struct acpi_battery *battery = &sbs->battery[id];
+
+	if (battery->bat.dev) {
+		if (battery->have_sysfs_alarm)
+			device_remove_file(battery->bat.dev, &alarm_attr);
+		power_supply_unregister(&battery->bat);
 	}
+#ifdef CONFIG_ACPI_PROCFS_POWER
+	if (battery->proc_entry)
+		acpi_sbs_remove_fs(&battery->proc_entry, acpi_battery_dir);
 #endif
 }
 
@@ -835,7 +844,7 @@ static int acpi_charger_add(struct acpi_sbs *sbs)
 	result = acpi_ac_get_present(sbs);
 	if (result)
 		goto end;
-#ifdef CONFIG_ACPI_PROCFS
+#ifdef CONFIG_ACPI_PROCFS_POWER
 	result = acpi_sbs_add_fs(&sbs->charger_entry, acpi_ac_dir,
 				 ACPI_AC_DIR_NAME, NULL,
 				 &acpi_ac_state_fops, NULL, sbs);
@@ -859,7 +868,7 @@ static void acpi_charger_remove(struct acpi_sbs *sbs)
 {
 	if (sbs->charger.dev)
 		power_supply_unregister(&sbs->charger);
-#ifdef CONFIG_ACPI_PROCFS
+#ifdef CONFIG_ACPI_PROCFS_POWER
 	if (sbs->charger_entry)
 		acpi_sbs_remove_fs(&sbs->charger_entry, acpi_ac_dir);
 #endif
@@ -965,7 +974,7 @@ static int acpi_sbs_remove(struct acpi_device *device, int type)
 
 static void acpi_sbs_rmdirs(void)
 {
-#ifdef CONFIG_ACPI_PROCFS
+#ifdef CONFIG_ACPI_PROCFS_POWER
 	if (acpi_ac_dir) {
 		acpi_unlock_ac_dir(acpi_ac_dir);
 		acpi_ac_dir = NULL;
@@ -1004,7 +1013,7 @@ static int __init acpi_sbs_init(void)
 
 	if (acpi_disabled)
 		return -ENODEV;
-#ifdef CONFIG_ACPI_PROCFS
+#ifdef CONFIG_ACPI_PROCFS_POWER
 	acpi_ac_dir = acpi_lock_ac_dir();
 	if (!acpi_ac_dir)
 		return -ENODEV;
diff --git a/drivers/acpi/tables/tbutils.c b/drivers/acpi/tables/tbutils.c
index 5f1d85f2ffe4..010f19652f80 100644
--- a/drivers/acpi/tables/tbutils.c
+++ b/drivers/acpi/tables/tbutils.c
@@ -449,7 +449,7 @@ acpi_tb_parse_root_table(acpi_physical_address rsdp_address, u8 flags)
 			/* XSDT has NULL entry, RSDT is used */
 			address = rsdt_address;
 			table_entry_size = sizeof(u32);
-			ACPI_WARNING((AE_INFO, "BIOS XSDT has NULL entry,"
+			ACPI_WARNING((AE_INFO, "BIOS XSDT has NULL entry, "
 					"using RSDT"));
 		}
 	}
diff --git a/drivers/acpi/video.c b/drivers/acpi/video.c
index bac956b30c57..44a0d9ba9bd6 100644
--- a/drivers/acpi/video.c
+++ b/drivers/acpi/video.c
@@ -29,6 +29,7 @@
 #include <linux/init.h>
 #include <linux/types.h>
 #include <linux/list.h>
+#include <linux/mutex.h>
 #include <linux/proc_fs.h>
 #include <linux/seq_file.h>
 #include <linux/input.h>
@@ -135,8 +136,8 @@ struct acpi_video_bus {
 	u8 attached_count;
 	struct acpi_video_bus_cap cap;
 	struct acpi_video_bus_flags flags;
-	struct semaphore sem;
 	struct list_head video_device_list;
+	struct mutex device_list_lock;	/* protects video_device_list */
 	struct proc_dir_entry *dir;
 	struct input_dev *input;
 	char phys[32];	/* for input device */
@@ -896,7 +897,7 @@ acpi_video_device_write_brightness(struct file *file,
 {
 	struct seq_file *m = file->private_data;
 	struct acpi_video_device *dev = m->private;
-	char str[4] = { 0 };
+	char str[5] = { 0 };
 	unsigned int level = 0;
 	int i;
 
@@ -1436,9 +1437,9 @@ acpi_video_bus_get_one_device(struct acpi_device *device,
 			return -ENODEV;
 		}
 
-		down(&video->sem);
+		mutex_lock(&video->device_list_lock);
 		list_add_tail(&data->entry, &video->video_device_list);
-		up(&video->sem);
+		mutex_unlock(&video->device_list_lock);
 
 		acpi_video_device_add_fs(device);
 
@@ -1462,12 +1463,14 @@ acpi_video_bus_get_one_device(struct acpi_device *device,
 
 static void acpi_video_device_rebind(struct acpi_video_bus *video)
 {
-	struct list_head *node, *next;
-	list_for_each_safe(node, next, &video->video_device_list) {
-		struct acpi_video_device *dev =
-		    container_of(node, struct acpi_video_device, entry);
+	struct acpi_video_device *dev;
+
+	mutex_lock(&video->device_list_lock);
+
+	list_for_each_entry(dev, &video->video_device_list, entry)
 		acpi_video_device_bind(video, dev);
-	}
+
+	mutex_unlock(&video->device_list_lock);
 }
 
 /*
@@ -1592,30 +1595,33 @@ static int acpi_video_device_enumerate(struct acpi_video_bus *video)
 
 static int acpi_video_switch_output(struct acpi_video_bus *video, int event)
 {
-	struct list_head *node, *next;
+	struct list_head *node;
 	struct acpi_video_device *dev = NULL;
 	struct acpi_video_device *dev_next = NULL;
 	struct acpi_video_device *dev_prev = NULL;
 	unsigned long state;
 	int status = 0;
 
+	mutex_lock(&video->device_list_lock);
 
-	list_for_each_safe(node, next, &video->video_device_list) {
+	list_for_each(node, &video->video_device_list) {
 		dev = container_of(node, struct acpi_video_device, entry);
 		status = acpi_video_device_get_state(dev, &state);
 		if (state & 0x2) {
-			dev_next =
-			    container_of(node->next, struct acpi_video_device,
-					 entry);
-			dev_prev =
-			    container_of(node->prev, struct acpi_video_device,
-					 entry);
+			dev_next = container_of(node->next,
+					struct acpi_video_device, entry);
+			dev_prev = container_of(node->prev,
+					struct acpi_video_device, entry);
 			goto out;
 		}
 	}
+
 	dev_next = container_of(node->next, struct acpi_video_device, entry);
 	dev_prev = container_of(node->prev, struct acpi_video_device, entry);
-      out:
+
+ out:
+	mutex_unlock(&video->device_list_lock);
+
 	switch (event) {
 	case ACPI_VIDEO_NOTIFY_CYCLE:
 	case ACPI_VIDEO_NOTIFY_NEXT_OUTPUT:
@@ -1691,24 +1697,17 @@ acpi_video_bus_get_devices(struct acpi_video_bus *video,
 			   struct acpi_device *device)
 {
 	int status = 0;
-	struct list_head *node, *next;
-
+	struct acpi_device *dev;
 
 	acpi_video_device_enumerate(video);
 
-	list_for_each_safe(node, next, &device->children) {
-		struct acpi_device *dev =
-		    list_entry(node, struct acpi_device, node);
-
-		if (!dev)
-			continue;
+	list_for_each_entry(dev, &device->children, node) {
 
 		status = acpi_video_bus_get_one_device(dev, video);
 		if (ACPI_FAILURE(status)) {
 			ACPI_EXCEPTION((AE_INFO, status, "Cant attach device"));
 			continue;
 		}
-
 	}
 	return status;
 }
@@ -1724,9 +1723,6 @@ static int acpi_video_bus_put_one_device(struct acpi_video_device *device)
 
 	video = device->video;
 
-	down(&video->sem);
-	list_del(&device->entry);
-	up(&video->sem);
 	acpi_video_device_remove_fs(device->dev);
 
 	status = acpi_remove_notify_handler(device->dev->handle,
@@ -1734,32 +1730,34 @@ static int acpi_video_bus_put_one_device(struct acpi_video_device *device)
 					    acpi_video_device_notify);
 	backlight_device_unregister(device->backlight);
 	video_output_unregister(device->output_dev);
+
 	return 0;
 }
 
 static int acpi_video_bus_put_devices(struct acpi_video_bus *video)
 {
 	int status;
-	struct list_head *node, *next;
+	struct acpi_video_device *dev, *next;
 
+	mutex_lock(&video->device_list_lock);
 
-	list_for_each_safe(node, next, &video->video_device_list) {
-		struct acpi_video_device *data =
-		    list_entry(node, struct acpi_video_device, entry);
-		if (!data)
-			continue;
+	list_for_each_entry_safe(dev, next, &video->video_device_list, entry) {
 
-		status = acpi_video_bus_put_one_device(data);
+		status = acpi_video_bus_put_one_device(dev);
 		if (ACPI_FAILURE(status))
 			printk(KERN_WARNING PREFIX
 			       "hhuuhhuu bug in acpi video driver.\n");
 
-		if (data->brightness)
-			kfree(data->brightness->levels);
-		kfree(data->brightness);
-		kfree(data);
+		if (dev->brightness) {
+			kfree(dev->brightness->levels);
+			kfree(dev->brightness);
+		}
+		list_del(&dev->entry);
+		kfree(dev);
 	}
 
+	mutex_unlock(&video->device_list_lock);
+
 	return 0;
 }
 
@@ -1782,9 +1780,6 @@ static void acpi_video_bus_notify(acpi_handle handle, u32 event, void *data)
 	struct input_dev *input;
 	int keycode;
 
-
-	printk("video bus notify\n");
-
 	if (!video)
 		return;
 
@@ -1897,14 +1892,10 @@ static void acpi_video_device_notify(acpi_handle handle, u32 event, void *data)
 static int instance;
 static int acpi_video_bus_add(struct acpi_device *device)
 {
-	int result = 0;
-	acpi_status status = 0;
-	struct acpi_video_bus *video = NULL;
+	acpi_status status;
+	struct acpi_video_bus *video;
 	struct input_dev *input;
-
-
-	if (!device)
-		return -EINVAL;
+	int error;
 
 	video = kzalloc(sizeof(struct acpi_video_bus), GFP_KERNEL);
 	if (!video)
@@ -1923,15 +1914,15 @@ static int acpi_video_bus_add(struct acpi_device *device)
 	acpi_driver_data(device) = video;
 
 	acpi_video_bus_find_cap(video);
-	result = acpi_video_bus_check(video);
-	if (result)
-		goto end;
+	error = acpi_video_bus_check(video);
+	if (error)
+		goto err_free_video;
 
-	result = acpi_video_bus_add_fs(device);
-	if (result)
-		goto end;
+	error = acpi_video_bus_add_fs(device);
+	if (error)
+		goto err_free_video;
 
-	init_MUTEX(&video->sem);
+	mutex_init(&video->device_list_lock);
 	INIT_LIST_HEAD(&video->video_device_list);
 
 	acpi_video_bus_get_devices(video, device);
@@ -1943,16 +1934,15 @@ static int acpi_video_bus_add(struct acpi_device *device)
 	if (ACPI_FAILURE(status)) {
 		ACPI_DEBUG_PRINT((ACPI_DB_ERROR,
 				  "Error installing notify handler\n"));
-		acpi_video_bus_stop_devices(video);
-		acpi_video_bus_put_devices(video);
-		kfree(video->attached_array);
-		acpi_video_bus_remove_fs(device);
-		result = -ENODEV;
-		goto end;
+		error = -ENODEV;
+		goto err_stop_video;
 	}
 
-
 	video->input = input = input_allocate_device();
+	if (!input) {
+		error = -ENOMEM;
+		goto err_uninstall_notify;
+	}
 
 	snprintf(video->phys, sizeof(video->phys),
 		"%s/video/input0", acpi_device_hid(video->device));
@@ -1961,6 +1951,7 @@ static int acpi_video_bus_add(struct acpi_device *device)
 	input->phys = video->phys;
 	input->id.bustype = BUS_HOST;
 	input->id.product = 0x06;
+	input->dev.parent = &device->dev;
 	input->evbit[0] = BIT(EV_KEY);
 	set_bit(KEY_SWITCHVIDEOMODE, input->keybit);
 	set_bit(KEY_VIDEO_NEXT, input->keybit);
@@ -1971,18 +1962,10 @@ static int acpi_video_bus_add(struct acpi_device *device)
 	set_bit(KEY_BRIGHTNESS_ZERO, input->keybit);
 	set_bit(KEY_DISPLAY_OFF, input->keybit);
 	set_bit(KEY_UNKNOWN, input->keybit);
-	result = input_register_device(input);
-	if (result) {
-		acpi_remove_notify_handler(video->device->handle,
-						ACPI_DEVICE_NOTIFY,
-						acpi_video_bus_notify);
-		acpi_video_bus_stop_devices(video);
-		acpi_video_bus_put_devices(video);
-		kfree(video->attached_array);
-		acpi_video_bus_remove_fs(device);
-		goto end;
-        }
 
+	error = input_register_device(input);
+	if (error)
+		goto err_free_input_dev;
 
 	printk(KERN_INFO PREFIX "%s [%s] (multi-head: %s  rom: %s  post: %s)\n",
 	       ACPI_VIDEO_DEVICE_NAME, acpi_device_bid(device),
@@ -1990,11 +1973,23 @@ static int acpi_video_bus_add(struct acpi_device *device)
 	       video->flags.rom ? "yes" : "no",
 	       video->flags.post ? "yes" : "no");
 
-      end:
-	if (result)
-		kfree(video);
+	return 0;
+
+ err_free_input_dev:
+	input_free_device(input);
+ err_uninstall_notify:
+	acpi_remove_notify_handler(device->handle, ACPI_DEVICE_NOTIFY,
+				   acpi_video_bus_notify);
+ err_stop_video:
+	acpi_video_bus_stop_devices(video);
+	acpi_video_bus_put_devices(video);
+	kfree(video->attached_array);
+	acpi_video_bus_remove_fs(device);
+ err_free_video:
+	kfree(video);
+	acpi_driver_data(device) = NULL;
 
-	return result;
+	return error;
 }
 
 static int acpi_video_bus_remove(struct acpi_device *device, int type)
diff --git a/drivers/ata/ata_piix.c b/drivers/ata/ata_piix.c
index 328ce8a08426..483269db2c7d 100644
--- a/drivers/ata/ata_piix.c
+++ b/drivers/ata/ata_piix.c
@@ -119,18 +119,19 @@ enum {
 	PIIX_80C_SEC		= (1 << 7) | (1 << 6),
 
 	/* controller IDs */
-	piix_pata_33		= 0,	/* PIIX4 at 33Mhz */
-	ich_pata_33		= 1,	/* ICH up to UDMA 33 only */
-	ich_pata_66		= 2,	/* ICH up to 66 Mhz */
-	ich_pata_100		= 3,	/* ICH up to UDMA 100 */
-	ich5_sata		= 5,
-	ich6_sata		= 6,
-	ich6_sata_ahci		= 7,
-	ich6m_sata_ahci		= 8,
-	ich8_sata_ahci		= 9,
-	piix_pata_mwdma		= 10,	/* PIIX3 MWDMA only */
-	tolapai_sata_ahci	= 11,
-	ich9_2port_sata		= 12,
+	piix_pata_mwdma		= 0,	/* PIIX3 MWDMA only */
+	piix_pata_33,			/* PIIX4 at 33Mhz */
+	ich_pata_33,			/* ICH up to UDMA 33 only */
+	ich_pata_66,			/* ICH up to 66 Mhz */
+	ich_pata_100,			/* ICH up to UDMA 100 */
+	ich5_sata,
+	ich6_sata,
+	ich6_sata_ahci,
+	ich6m_sata_ahci,
+	ich8_sata_ahci,
+	ich8_2port_sata,
+	ich8m_apple_sata_ahci,		/* locks up on second port enable */
+	tolapai_sata_ahci,
 
 	/* constants for mapping table */
 	P0			= 0,  /* port 0 */
@@ -239,19 +240,21 @@ static const struct pci_device_id piix_pci_tbl[] = {
 	/* SATA Controller 1 IDE (ICH8) */
 	{ 0x8086, 0x2820, PCI_ANY_ID, PCI_ANY_ID, 0, 0, ich8_sata_ahci },
 	/* SATA Controller 2 IDE (ICH8) */
-	{ 0x8086, 0x2825, PCI_ANY_ID, PCI_ANY_ID, 0, 0, ich9_2port_sata },
+	{ 0x8086, 0x2825, PCI_ANY_ID, PCI_ANY_ID, 0, 0, ich8_2port_sata },
 	/* Mobile SATA Controller IDE (ICH8M) */
 	{ 0x8086, 0x2828, PCI_ANY_ID, PCI_ANY_ID, 0, 0, ich8_sata_ahci },
+	/* Mobile SATA Controller IDE (ICH8M), Apple */
+	{ 0x8086, 0x2828, 0x106b, 0x00a0, 0, 0, ich8m_apple_sata_ahci },
 	/* SATA Controller IDE (ICH9) */
 	{ 0x8086, 0x2920, PCI_ANY_ID, PCI_ANY_ID, 0, 0, ich8_sata_ahci },
 	/* SATA Controller IDE (ICH9) */
-	{ 0x8086, 0x2921, PCI_ANY_ID, PCI_ANY_ID, 0, 0, ich9_2port_sata },
+	{ 0x8086, 0x2921, PCI_ANY_ID, PCI_ANY_ID, 0, 0, ich8_2port_sata },
 	/* SATA Controller IDE (ICH9) */
-	{ 0x8086, 0x2926, PCI_ANY_ID, PCI_ANY_ID, 0, 0, ich9_2port_sata },
+	{ 0x8086, 0x2926, PCI_ANY_ID, PCI_ANY_ID, 0, 0, ich8_2port_sata },
 	/* SATA Controller IDE (ICH9M) */
-	{ 0x8086, 0x2928, PCI_ANY_ID, PCI_ANY_ID, 0, 0, ich9_2port_sata },
+	{ 0x8086, 0x2928, PCI_ANY_ID, PCI_ANY_ID, 0, 0, ich8_2port_sata },
 	/* SATA Controller IDE (ICH9M) */
-	{ 0x8086, 0x292d, PCI_ANY_ID, PCI_ANY_ID, 0, 0, ich9_2port_sata },
+	{ 0x8086, 0x292d, PCI_ANY_ID, PCI_ANY_ID, 0, 0, ich8_2port_sata },
 	/* SATA Controller IDE (ICH9M) */
 	{ 0x8086, 0x292e, PCI_ANY_ID, PCI_ANY_ID, 0, 0, ich8_sata_ahci },
 	/* SATA Controller IDE (Tolapai) */
@@ -427,7 +430,7 @@ static const struct piix_map_db ich6m_map_db = {
 
 static const struct piix_map_db ich8_map_db = {
 	.mask = 0x3,
-	.port_enable = 0x3,
+	.port_enable = 0xf,
 	.map = {
 		/* PM   PS   SM   SS       MAP */
 		{  P0,  P2,  P1,  P3 }, /* 00b (hardwired when in AHCI) */
@@ -437,7 +440,7 @@ static const struct piix_map_db ich8_map_db = {
 	},
 };
 
-static const struct piix_map_db tolapai_map_db = {
+static const struct piix_map_db ich8_2port_map_db = {
 	.mask = 0x3,
 	.port_enable = 0x3,
 	.map = {
@@ -449,7 +452,19 @@ static const struct piix_map_db tolapai_map_db = {
 	},
 };
 
-static const struct piix_map_db ich9_2port_map_db = {
+static const struct piix_map_db ich8m_apple_map_db = {
+	.mask = 0x3,
+	.port_enable = 0x1,
+	.map = {
+		/* PM   PS   SM   SS       MAP */
+		{  P0,  NA,  NA,  NA }, /* 00b */
+		{  RV,  RV,  RV,  RV },
+		{  P0,  P2, IDE, IDE }, /* 10b */
+		{  RV,  RV,  RV,  RV },
+	},
+};
+
+static const struct piix_map_db tolapai_map_db = {
 	.mask = 0x3,
 	.port_enable = 0x3,
 	.map = {
@@ -467,11 +482,21 @@ static const struct piix_map_db *piix_map_db_table[] = {
 	[ich6_sata_ahci]	= &ich6_map_db,
 	[ich6m_sata_ahci]	= &ich6m_map_db,
 	[ich8_sata_ahci]	= &ich8_map_db,
+	[ich8_2port_sata]	= &ich8_2port_map_db,
+	[ich8m_apple_sata_ahci]	= &ich8m_apple_map_db,
 	[tolapai_sata_ahci]	= &tolapai_map_db,
-	[ich9_2port_sata]	= &ich9_2port_map_db,
 };
 
 static struct ata_port_info piix_port_info[] = {
+	[piix_pata_mwdma] = 	/* PIIX3 MWDMA only */
+	{
+		.sht		= &piix_sht,
+		.flags		= PIIX_PATA_FLAGS,
+		.pio_mask	= 0x1f,	/* pio0-4 */
+		.mwdma_mask	= 0x06, /* mwdma1-2 ?? CHECK 0 should be ok but slow */
+		.port_ops	= &piix_pata_ops,
+	},
+
 	[piix_pata_33] =	/* PIIX4 at 33MHz */
 	{
 		.sht		= &piix_sht,
@@ -565,13 +590,15 @@ static struct ata_port_info piix_port_info[] = {
 		.port_ops	= &piix_sata_ops,
 	},
 
-	[piix_pata_mwdma] = 	/* PIIX3 MWDMA only */
+	[ich8_2port_sata] =
 	{
 		.sht		= &piix_sht,
-		.flags		= PIIX_PATA_FLAGS,
+		.flags		= PIIX_SATA_FLAGS | PIIX_FLAG_SCR |
+				  PIIX_FLAG_AHCI,
 		.pio_mask	= 0x1f,	/* pio0-4 */
-		.mwdma_mask	= 0x06, /* mwdma1-2 ?? CHECK 0 should be ok but slow */
-		.port_ops	= &piix_pata_ops,
+		.mwdma_mask	= 0x07, /* mwdma0-2 */
+		.udma_mask	= ATA_UDMA6,
+		.port_ops	= &piix_sata_ops,
 	},
 
 	[tolapai_sata_ahci] =
@@ -585,7 +612,7 @@ static struct ata_port_info piix_port_info[] = {
 		.port_ops	= &piix_sata_ops,
 	},
 
-	[ich9_2port_sata] =
+	[ich8m_apple_sata_ahci] =
 	{
 		.sht		= &piix_sht,
 		.flags		= PIIX_SATA_FLAGS | PIIX_FLAG_SCR |
@@ -595,6 +622,7 @@ static struct ata_port_info piix_port_info[] = {
 		.udma_mask	= ATA_UDMA6,
 		.port_ops	= &piix_sata_ops,
 	},
+
 };
 
 static struct pci_bits piix_enable_bits[] = {
@@ -974,6 +1002,13 @@ static int piix_broken_suspend(void)
 			},
 		},
 		{
+			.ident = "SATELLITE U205",
+			.matches = {
+				DMI_MATCH(DMI_SYS_VENDOR, "TOSHIBA"),
+				DMI_MATCH(DMI_PRODUCT_NAME, "SATELLITE U205"),
+			},
+		},
+		{
 			.ident = "Portege M500",
 			.matches = {
 				DMI_MATCH(DMI_SYS_VENDOR, "TOSHIBA"),
@@ -1086,12 +1121,12 @@ static int piix_disable_ahci(struct pci_dev *pdev)
 	if (!mmio)
 		return -ENOMEM;
 
-	tmp = readl(mmio + AHCI_GLOBAL_CTL);
+	tmp = ioread32(mmio + AHCI_GLOBAL_CTL);
 	if (tmp & AHCI_ENABLE) {
 		tmp &= ~AHCI_ENABLE;
-		writel(tmp, mmio + AHCI_GLOBAL_CTL);
+		iowrite32(tmp, mmio + AHCI_GLOBAL_CTL);
 
-		tmp = readl(mmio + AHCI_GLOBAL_CTL);
+		tmp = ioread32(mmio + AHCI_GLOBAL_CTL);
 		if (tmp & AHCI_ENABLE)
 			rc = -EIO;
 	}
diff --git a/drivers/ata/libata-core.c b/drivers/ata/libata-core.c
index 81898036dbca..33f06277b3be 100644
--- a/drivers/ata/libata-core.c
+++ b/drivers/ata/libata-core.c
@@ -30,6 +30,14 @@
  *  Hardware documentation available from http://www.t13.org/ and
  *  http://www.sata-io.org/
  *
+ *  Standards documents from:
+ *	http://www.t13.org (ATA standards, PCI DMA IDE spec)
+ *	http://www.t10.org (SCSI MMC - for ATAPI MMC)
+ *	http://www.sata-io.org (SATA)
+ *	http://www.compactflash.org (CF)
+ *	http://www.qic.org (QIC157 - Tape and DSC)
+ *	http://www.ce-ata.org (CE-ATA: not supported)
+ *
  */
 
 #include <linux/kernel.h>
@@ -2307,8 +2315,10 @@ int ata_dev_configure(struct ata_device *dev)
 	}
 
 	if ((dev->class == ATA_DEV_ATAPI) &&
-	    (atapi_command_packet_set(id) == TYPE_TAPE))
+	    (atapi_command_packet_set(id) == TYPE_TAPE)) {
 		dev->max_sectors = ATA_MAX_SECTORS_TAPE;
+		dev->horkage |= ATA_HORKAGE_STUCK_ERR;
+	}
 
 	if (dev->horkage & ATA_HORKAGE_MAX_SEC_128)
 		dev->max_sectors = min_t(unsigned int, ATA_MAX_SECTORS_128,
@@ -2581,81 +2591,6 @@ void sata_print_link_status(struct ata_link *link)
 }
 
 /**
- *	__sata_phy_reset - Wake/reset a low-level SATA PHY
- *	@ap: SATA port associated with target SATA PHY.
- *
- *	This function issues commands to standard SATA Sxxx
- *	PHY registers, to wake up the phy (and device), and
- *	clear any reset condition.
- *
- *	LOCKING:
- *	PCI/etc. bus probe sem.
- *
- */
-void __sata_phy_reset(struct ata_port *ap)
-{
-	struct ata_link *link = &ap->link;
-	unsigned long timeout = jiffies + (HZ * 5);
-	u32 sstatus;
-
-	if (ap->flags & ATA_FLAG_SATA_RESET) {
-		/* issue phy wake/reset */
-		sata_scr_write_flush(link, SCR_CONTROL, 0x301);
-		/* Couldn't find anything in SATA I/II specs, but
-		 * AHCI-1.1 10.4.2 says at least 1 ms. */
-		mdelay(1);
-	}
-	/* phy wake/clear reset */
-	sata_scr_write_flush(link, SCR_CONTROL, 0x300);
-
-	/* wait for phy to become ready, if necessary */
-	do {
-		msleep(200);
-		sata_scr_read(link, SCR_STATUS, &sstatus);
-		if ((sstatus & 0xf) != 1)
-			break;
-	} while (time_before(jiffies, timeout));
-
-	/* print link status */
-	sata_print_link_status(link);
-
-	/* TODO: phy layer with polling, timeouts, etc. */
-	if (!ata_link_offline(link))
-		ata_port_probe(ap);
-	else
-		ata_port_disable(ap);
-
-	if (ap->flags & ATA_FLAG_DISABLED)
-		return;
-
-	if (ata_busy_sleep(ap, ATA_TMOUT_BOOT_QUICK, ATA_TMOUT_BOOT)) {
-		ata_port_disable(ap);
-		return;
-	}
-
-	ap->cbl = ATA_CBL_SATA;
-}
-
-/**
- *	sata_phy_reset - Reset SATA bus.
- *	@ap: SATA port associated with target SATA PHY.
- *
- *	This function resets the SATA bus, and then probes
- *	the bus for devices.
- *
- *	LOCKING:
- *	PCI/etc. bus probe sem.
- *
- */
-void sata_phy_reset(struct ata_port *ap)
-{
-	__sata_phy_reset(ap);
-	if (ap->flags & ATA_FLAG_DISABLED)
-		return;
-	ata_bus_reset(ap);
-}
-
-/**
  *	ata_dev_pair		-	return other device on cable
  *	@adev: device
  *
@@ -5490,11 +5425,19 @@ fsm_start:
 		 * let the EH abort the command or reset the device.
 		 */
 		if (unlikely(status & (ATA_ERR | ATA_DF))) {
-			ata_port_printk(ap, KERN_WARNING, "DRQ=1 with device "
-					"error, dev_stat 0x%X\n", status);
-			qc->err_mask |= AC_ERR_HSM;
-			ap->hsm_task_state = HSM_ST_ERR;
-			goto fsm_start;
+			/* Some ATAPI tape drives forget to clear the ERR bit
+			 * when doing the next command (mostly request sense).
+			 * We ignore ERR here to workaround and proceed sending
+			 * the CDB.
+			 */
+			if (!(qc->dev->horkage & ATA_HORKAGE_STUCK_ERR)) {
+				ata_port_printk(ap, KERN_WARNING,
+						"DRQ=1 with device error, "
+						"dev_stat 0x%X\n", status);
+				qc->err_mask |= AC_ERR_HSM;
+				ap->hsm_task_state = HSM_ST_ERR;
+				goto fsm_start;
+			}
 		}
 
 		/* Send the CDB (atapi) or the first data block (ata pio out).
@@ -7653,8 +7596,6 @@ EXPORT_SYMBOL_GPL(ata_dev_disable);
 EXPORT_SYMBOL_GPL(sata_set_spd);
 EXPORT_SYMBOL_GPL(sata_link_debounce);
 EXPORT_SYMBOL_GPL(sata_link_resume);
-EXPORT_SYMBOL_GPL(sata_phy_reset);
-EXPORT_SYMBOL_GPL(__sata_phy_reset);
 EXPORT_SYMBOL_GPL(ata_bus_reset);
 EXPORT_SYMBOL_GPL(ata_std_prereset);
 EXPORT_SYMBOL_GPL(ata_std_softreset);
@@ -7725,7 +7666,6 @@ EXPORT_SYMBOL_GPL(ata_port_desc);
 #ifdef CONFIG_PCI
 EXPORT_SYMBOL_GPL(ata_port_pbar_desc);
 #endif /* CONFIG_PCI */
-EXPORT_SYMBOL_GPL(ata_eng_timeout);
 EXPORT_SYMBOL_GPL(ata_port_schedule_eh);
 EXPORT_SYMBOL_GPL(ata_link_abort);
 EXPORT_SYMBOL_GPL(ata_port_abort);
diff --git a/drivers/ata/libata-eh.c b/drivers/ata/libata-eh.c
index ed8813b222a0..0dac69db1fdf 100644
--- a/drivers/ata/libata-eh.c
+++ b/drivers/ata/libata-eh.c
@@ -559,101 +559,6 @@ void ata_port_wait_eh(struct ata_port *ap)
 	}
 }
 
-/**
- *	ata_qc_timeout - Handle timeout of queued command
- *	@qc: Command that timed out
- *
- *	Some part of the kernel (currently, only the SCSI layer)
- *	has noticed that the active command on port @ap has not
- *	completed after a specified length of time.  Handle this
- *	condition by disabling DMA (if necessary) and completing
- *	transactions, with error if necessary.
- *
- *	This also handles the case of the "lost interrupt", where
- *	for some reason (possibly hardware bug, possibly driver bug)
- *	an interrupt was not delivered to the driver, even though the
- *	transaction completed successfully.
- *
- *	TODO: kill this function once old EH is gone.
- *
- *	LOCKING:
- *	Inherited from SCSI layer (none, can sleep)
- */
-static void ata_qc_timeout(struct ata_queued_cmd *qc)
-{
-	struct ata_port *ap = qc->ap;
-	u8 host_stat = 0, drv_stat;
-	unsigned long flags;
-
-	DPRINTK("ENTER\n");
-
-	ap->hsm_task_state = HSM_ST_IDLE;
-
-	spin_lock_irqsave(ap->lock, flags);
-
-	switch (qc->tf.protocol) {
-
-	case ATA_PROT_DMA:
-	case ATA_PROT_ATAPI_DMA:
-		host_stat = ap->ops->bmdma_status(ap);
-
-		/* before we do anything else, clear DMA-Start bit */
-		ap->ops->bmdma_stop(qc);
-
-		/* fall through */
-
-	default:
-		ata_altstatus(ap);
-		drv_stat = ata_chk_status(ap);
-
-		/* ack bmdma irq events */
-		ap->ops->irq_clear(ap);
-
-		ata_dev_printk(qc->dev, KERN_ERR, "command 0x%x timeout, "
-			       "stat 0x%x host_stat 0x%x\n",
-			       qc->tf.command, drv_stat, host_stat);
-
-		/* complete taskfile transaction */
-		qc->err_mask |= AC_ERR_TIMEOUT;
-		break;
-	}
-
-	spin_unlock_irqrestore(ap->lock, flags);
-
-	ata_eh_qc_complete(qc);
-
-	DPRINTK("EXIT\n");
-}
-
-/**
- *	ata_eng_timeout - Handle timeout of queued command
- *	@ap: Port on which timed-out command is active
- *
- *	Some part of the kernel (currently, only the SCSI layer)
- *	has noticed that the active command on port @ap has not
- *	completed after a specified length of time.  Handle this
- *	condition by disabling DMA (if necessary) and completing
- *	transactions, with error if necessary.
- *
- *	This also handles the case of the "lost interrupt", where
- *	for some reason (possibly hardware bug, possibly driver bug)
- *	an interrupt was not delivered to the driver, even though the
- *	transaction completed successfully.
- *
- *	TODO: kill this function once old EH is gone.
- *
- *	LOCKING:
- *	Inherited from SCSI layer (none, can sleep)
- */
-void ata_eng_timeout(struct ata_port *ap)
-{
-	DPRINTK("ENTER\n");
-
-	ata_qc_timeout(ata_qc_from_tag(ap, ap->link.active_tag));
-
-	DPRINTK("EXIT\n");
-}
-
 static int ata_eh_nr_in_flight(struct ata_port *ap)
 {
 	unsigned int tag;
diff --git a/drivers/ata/libata-scsi.c b/drivers/ata/libata-scsi.c
index 94144ed50a6b..a883bb03d4c7 100644
--- a/drivers/ata/libata-scsi.c
+++ b/drivers/ata/libata-scsi.c
@@ -2485,11 +2485,40 @@ static unsigned int atapi_xlat(struct ata_queued_cmd *qc)
 	if (!using_pio && ata_check_atapi_dma(qc))
 		using_pio = 1;
 
-	/* Some controller variants snoop this value for Packet transfers
-	   to do state machine and FIFO management. Thus we want to set it
-	   properly, and for DMA where it is effectively meaningless */
+	/* Some controller variants snoop this value for Packet
+	 * transfers to do state machine and FIFO management.  Thus we
+	 * want to set it properly, and for DMA where it is
+	 * effectively meaningless.
+	 */
 	nbytes = min(qc->nbytes, (unsigned int)63 * 1024);
 
+	/* Most ATAPI devices which honor transfer chunk size don't
+	 * behave according to the spec when odd chunk size which
+	 * matches the transfer length is specified.  If the number of
+	 * bytes to transfer is 2n+1.  According to the spec, what
+	 * should happen is to indicate that 2n+1 is going to be
+	 * transferred and transfer 2n+2 bytes where the last byte is
+	 * padding.
+	 *
+	 * In practice, this doesn't happen.  ATAPI devices first
+	 * indicate and transfer 2n bytes and then indicate and
+	 * transfer 2 bytes where the last byte is padding.
+	 *
+	 * This inconsistency confuses several controllers which
+	 * perform PIO using DMA such as Intel AHCIs and sil3124/32.
+	 * These controllers use actual number of transferred bytes to
+	 * update DMA poitner and transfer of 4n+2 bytes make those
+	 * controller push DMA pointer by 4n+4 bytes because SATA data
+	 * FISes are aligned to 4 bytes.  This causes data corruption
+	 * and buffer overrun.
+	 *
+	 * Always setting nbytes to even number solves this problem
+	 * because then ATAPI devices don't have to split data at 2n
+	 * boundaries.
+	 */
+	if (nbytes & 0x1)
+		nbytes++;
+
 	qc->tf.lbam = (nbytes & 0xFF);
 	qc->tf.lbah = (nbytes >> 8);
 
@@ -2869,7 +2898,8 @@ static inline int __ata_scsi_queuecmd(struct scsi_cmnd *scmd,
 		xlat_func = NULL;
 		if (likely((scsi_op != ATA_16) || !atapi_passthru16)) {
 			/* relay SCSI command to ATAPI device */
-			if (unlikely(scmd->cmd_len > dev->cdb_len))
+			int len = COMMAND_SIZE(scsi_op);
+			if (unlikely(len > scmd->cmd_len || len > dev->cdb_len))
 				goto bad_cdb_len;
 
 			xlat_func = atapi_xlat;
diff --git a/drivers/ata/pata_ali.c b/drivers/ata/pata_ali.c
index 364534e7aff4..8caf9afc8b90 100644
--- a/drivers/ata/pata_ali.c
+++ b/drivers/ata/pata_ali.c
@@ -63,6 +63,9 @@ static int ali_cable_override(struct pci_dev *pdev)
 	/* Fujitsu P2000 */
 	if (pdev->subsystem_vendor == 0x10CF && pdev->subsystem_device == 0x10AF)
 	   	return 1;
+	/* Mitac 8317 (Winbook-A) and relatives */
+	if (pdev->subsystem_vendor == 0x1071  && pdev->subsystem_device == 0x8317)
+		return 1;
 	/* Systems by DMI */
 	if (dmi_check_system(cable_dmi_table))
 		return 1;
@@ -282,6 +285,21 @@ static void ali_lock_sectors(struct ata_device *adev)
 	adev->max_sectors = 255;
 }
 
+/**
+ *	ali_check_atapi_dma	-	DMA check for most ALi controllers
+ *	@adev: Device
+ *
+ *	Called to decide whether commands should be sent by DMA or PIO
+ */
+
+static int ali_check_atapi_dma(struct ata_queued_cmd *qc)
+{
+	/* If its not a media command, its not worth it */
+	if (qc->nbytes < 2048)
+		return -EOPNOTSUPP;
+	return 0;
+}
+
 static struct scsi_host_template ali_sht = {
 	.module			= THIS_MODULE,
 	.name			= DRV_NAME,
@@ -378,6 +396,7 @@ static struct ata_port_operations ali_c2_port_ops = {
 	.mode_filter	= ata_pci_default_filter,
 	.tf_load	= ata_tf_load,
 	.tf_read	= ata_tf_read,
+	.check_atapi_dma = ali_check_atapi_dma,
 	.check_status 	= ata_check_status,
 	.exec_command	= ata_exec_command,
 	.dev_select 	= ata_std_dev_select,
@@ -415,6 +434,7 @@ static struct ata_port_operations ali_c5_port_ops = {
 	.mode_filter	= ata_pci_default_filter,
 	.tf_load	= ata_tf_load,
 	.tf_read	= ata_tf_read,
+	.check_atapi_dma = ali_check_atapi_dma,
 	.check_status 	= ata_check_status,
 	.exec_command	= ata_exec_command,
 	.dev_select 	= ata_std_dev_select,
diff --git a/drivers/ata/pata_bf54x.c b/drivers/ata/pata_bf54x.c
index b5e38426b815..81db405a5445 100644
--- a/drivers/ata/pata_bf54x.c
+++ b/drivers/ata/pata_bf54x.c
@@ -1145,13 +1145,13 @@ static unsigned char bfin_bmdma_status(struct ata_port *ap)
 	unsigned short int_status = ATAPI_GET_INT_STATUS(base);
 
 	if (ATAPI_GET_STATUS(base) & (MULTI_XFER_ON|ULTRA_XFER_ON)) {
-		host_stat = ATA_DMA_ACTIVE;
+		host_stat |= ATA_DMA_ACTIVE;
 	}
 	if (int_status & (MULTI_DONE_INT|UDMAIN_DONE_INT|UDMAOUT_DONE_INT)) {
-		host_stat = ATA_DMA_INTR;
+		host_stat |= ATA_DMA_INTR;
 	}
 	if (int_status & (MULTI_TERM_INT|UDMAIN_TERM_INT|UDMAOUT_TERM_INT)) {
-		host_stat = ATA_DMA_ERR;
+		host_stat |= ATA_DMA_ERR;
 	}
 
 	return host_stat;
diff --git a/drivers/ata/pata_hpt37x.c b/drivers/ata/pata_hpt37x.c
index 3816b8605e0d..46dc70e0dee7 100644
--- a/drivers/ata/pata_hpt37x.c
+++ b/drivers/ata/pata_hpt37x.c
@@ -329,7 +329,7 @@ static int hpt37x_pre_reset(struct ata_link *link, unsigned long deadline)
 	/* Restore state */
 	pci_write_config_byte(pdev, 0x5B, scr2);
 
-	if (ata66 & (1 << ap->port_no))
+	if (ata66 & (2 >> ap->port_no))
 		ap->cbl = ATA_CBL_PATA40;
 	else
 		ap->cbl = ATA_CBL_PATA80;
diff --git a/drivers/ata/pata_isapnp.c b/drivers/ata/pata_isapnp.c
index 88ab0e1d353f..4320e7986321 100644
--- a/drivers/ata/pata_isapnp.c
+++ b/drivers/ata/pata_isapnp.c
@@ -75,13 +75,16 @@ static int isapnp_init_one(struct pnp_dev *idev, const struct pnp_device_id *dev
 	struct ata_host *host;
 	struct ata_port *ap;
 	void __iomem *cmd_addr, *ctl_addr;
+	int irq = 0;
+	irq_handler_t handler = NULL;
 
 	if (pnp_port_valid(idev, 0) == 0)
 		return -ENODEV;
 
-	/* FIXME: Should selected polled PIO here not fail */
-	if (pnp_irq_valid(idev, 0) == 0)
-		return -ENODEV;
+	if (pnp_irq_valid(idev, 0)) {
+		irq = pnp_irq(idev, 0);
+		handler = ata_interrupt;
+	}
 
 	/* allocate host */
 	host = ata_host_alloc(&idev->dev, 1);
@@ -115,7 +118,7 @@ static int isapnp_init_one(struct pnp_dev *idev, const struct pnp_device_id *dev
 		      (unsigned long long)pnp_port_start(idev, 1));
 
 	/* activate */
-	return ata_host_activate(host, pnp_irq(idev, 0), ata_interrupt, 0,
+	return ata_host_activate(host, irq, handler, 0,
 				 &isapnp_sht);
 }
 
diff --git a/drivers/ata/pata_jmicron.c b/drivers/ata/pata_jmicron.c
index 225a7223a726..5b8174d94067 100644
--- a/drivers/ata/pata_jmicron.c
+++ b/drivers/ata/pata_jmicron.c
@@ -80,11 +80,10 @@ static int jmicron_pre_reset(struct ata_link *link, unsigned long deadline)
 	 *	actually do our cable checking etc. Thankfully we don't need
 	 *	to do the plumbing for other cases.
 	 */
-	switch (port_map[port])
-	{
+	switch (port_map[port]) {
 	case PORT_PATA0:
-		if (control & (1 << 5))
-			return 0;
+		if ((control & (1 << 5)) == 0)
+			return -ENOENT;
 		if (control & (1 << 3))	/* 40/80 pin primary */
 			ap->cbl = ATA_CBL_PATA40;
 		else
@@ -93,7 +92,7 @@ static int jmicron_pre_reset(struct ata_link *link, unsigned long deadline)
 	case PORT_PATA1:
 		/* Bit 21 is set if the port is enabled */
 		if ((control5 & (1 << 21)) == 0)
-			return 0;
+			return -ENOENT;
 		if (control5 & (1 << 19))	/* 40/80 pin secondary */
 			ap->cbl = ATA_CBL_PATA40;
 		else
diff --git a/drivers/ata/pata_sil680.c b/drivers/ata/pata_sil680.c
index 5c1e9cb59ecb..503245a1eafa 100644
--- a/drivers/ata/pata_sil680.c
+++ b/drivers/ata/pata_sil680.c
@@ -33,7 +33,7 @@
 #include <linux/libata.h>
 
 #define DRV_NAME "pata_sil680"
-#define DRV_VERSION "0.4.7"
+#define DRV_VERSION "0.4.8"
 
 #define SIL680_MMIO_BAR		5
 
@@ -94,34 +94,6 @@ static int sil680_cable_detect(struct ata_port *ap) {
 }
 
 /**
- *	sil680_bus_reset	-	reset the SIL680 bus
- *	@link: ATA link to reset
- *	@deadline: deadline jiffies for the operation
- *
- *	Perform the SIL680 housekeeping when doing an ATA bus reset
- */
-
-static int sil680_bus_reset(struct ata_link *link, unsigned int *classes,
-			    unsigned long deadline)
-{
-	struct ata_port *ap = link->ap;
-	struct pci_dev *pdev = to_pci_dev(ap->host->dev);
-	unsigned long addr = sil680_selreg(ap, 0);
-	u8 reset;
-
-	pci_read_config_byte(pdev, addr, &reset);
-	pci_write_config_byte(pdev, addr, reset | 0x03);
-	udelay(25);
-	pci_write_config_byte(pdev, addr, reset);
-	return ata_std_softreset(link, classes, deadline);
-}
-
-static void sil680_error_handler(struct ata_port *ap)
-{
-	ata_bmdma_drive_eh(ap, ata_std_prereset, sil680_bus_reset, NULL, ata_std_postreset);
-}
-
-/**
  *	sil680_set_piomode	-	set initial PIO mode data
  *	@ap: ATA interface
  *	@adev: ATA device
@@ -249,7 +221,7 @@ static struct ata_port_operations sil680_port_ops = {
 
 	.freeze		= ata_bmdma_freeze,
 	.thaw		= ata_bmdma_thaw,
-	.error_handler	= sil680_error_handler,
+	.error_handler	= ata_bmdma_error_handler,
 	.post_internal_cmd = ata_bmdma_post_internal_cmd,
 	.cable_detect	= sil680_cable_detect,
 
diff --git a/drivers/ata/pata_sis.c b/drivers/ata/pata_sis.c
index 3b5be77e861c..87546d9f1ca0 100644
--- a/drivers/ata/pata_sis.c
+++ b/drivers/ata/pata_sis.c
@@ -55,6 +55,7 @@ static const struct sis_laptop sis_laptop[] = {
 	/* devid, subvendor, subdev */
 	{ 0x5513, 0x1043, 0x1107 },	/* ASUS A6K */
 	{ 0x5513, 0x1734, 0x105F },	/* FSC Amilo A1630 */
+	{ 0x5513, 0x1071, 0x8640 },     /* EasyNote K5305 */
 	/* end marker */
 	{ 0, }
 };
diff --git a/drivers/ata/sata_sil24.c b/drivers/ata/sata_sil24.c
index 187dcb02c681..96fd5260446d 100644
--- a/drivers/ata/sata_sil24.c
+++ b/drivers/ata/sata_sil24.c
@@ -63,6 +63,21 @@ enum {
 	SIL24_HOST_BAR		= 0,
 	SIL24_PORT_BAR		= 2,
 
+	/* sil24 fetches in chunks of 64bytes.  The first block
+	 * contains the PRB and two SGEs.  From the second block, it's
+	 * consisted of four SGEs and called SGT.  Calculate the
+	 * number of SGTs that fit into one page.
+	 */
+	SIL24_PRB_SZ		= sizeof(struct sil24_prb)
+				  + 2 * sizeof(struct sil24_sge),
+	SIL24_MAX_SGT		= (PAGE_SIZE - SIL24_PRB_SZ)
+				  / (4 * sizeof(struct sil24_sge)),
+
+	/* This will give us one unused SGEs for ATA.  This extra SGE
+	 * will be used to store CDB for ATAPI devices.
+	 */
+	SIL24_MAX_SGE		= 4 * SIL24_MAX_SGT + 1,
+
 	/*
 	 * Global controller registers (128 bytes @ BAR0)
 	 */
@@ -247,13 +262,13 @@ enum {
 
 struct sil24_ata_block {
 	struct sil24_prb prb;
-	struct sil24_sge sge[LIBATA_MAX_PRD];
+	struct sil24_sge sge[SIL24_MAX_SGE];
 };
 
 struct sil24_atapi_block {
 	struct sil24_prb prb;
 	u8 cdb[16];
-	struct sil24_sge sge[LIBATA_MAX_PRD - 1];
+	struct sil24_sge sge[SIL24_MAX_SGE];
 };
 
 union sil24_cmd_block {
@@ -378,7 +393,7 @@ static struct scsi_host_template sil24_sht = {
 	.change_queue_depth	= ata_scsi_change_queue_depth,
 	.can_queue		= SIL24_MAX_CMDS,
 	.this_id		= ATA_SHT_THIS_ID,
-	.sg_tablesize		= LIBATA_MAX_PRD,
+	.sg_tablesize		= SIL24_MAX_SGE,
 	.cmd_per_lun		= ATA_SHT_CMD_PER_LUN,
 	.emulated		= ATA_SHT_EMULATED,
 	.use_clustering		= ATA_SHT_USE_CLUSTERING,
@@ -1284,6 +1299,7 @@ static void sil24_init_controller(struct ata_host *host)
 
 static int sil24_init_one(struct pci_dev *pdev, const struct pci_device_id *ent)
 {
+	extern int __MARKER__sil24_cmd_block_is_sized_wrongly;
 	static int printed_version;
 	struct ata_port_info pi = sil24_port_info[ent->driver_data];
 	const struct ata_port_info *ppi[] = { &pi, NULL };
@@ -1292,6 +1308,10 @@ static int sil24_init_one(struct pci_dev *pdev, const struct pci_device_id *ent)
 	int i, rc;
 	u32 tmp;
 
+	/* cause link error if sil24_cmd_block is sized wrongly */
+	if (sizeof(union sil24_cmd_block) != PAGE_SIZE)
+		__MARKER__sil24_cmd_block_is_sized_wrongly = 1;
+
 	if (!printed_version++)
 		dev_printk(KERN_DEBUG, &pdev->dev, "version " DRV_VERSION "\n");
 
diff --git a/drivers/atm/he.c b/drivers/atm/he.c
index d33aba6864c2..3b64a99772ea 100644
--- a/drivers/atm/he.c
+++ b/drivers/atm/he.c
@@ -394,6 +394,11 @@ he_init_one(struct pci_dev *pci_dev, const struct pci_device_id *pci_ent)
 	he_dev->atm_dev->dev_data = he_dev;
 	atm_dev->dev_data = he_dev;
 	he_dev->number = atm_dev->number;
+#ifdef USE_TASKLET
+	tasklet_init(&he_dev->tasklet, he_tasklet, (unsigned long) he_dev);
+#endif
+	spin_lock_init(&he_dev->global_lock);
+
 	if (he_start(atm_dev)) {
 		he_stop(he_dev);
 		err = -ENODEV;
@@ -1173,11 +1178,6 @@ he_start(struct atm_dev *dev)
 	if ((err = he_init_irq(he_dev)) != 0)
 		return err;
 
-#ifdef USE_TASKLET
-	tasklet_init(&he_dev->tasklet, he_tasklet, (unsigned long) he_dev);
-#endif
-	spin_lock_init(&he_dev->global_lock);
-
 	/* 4.11 enable pci bus controller state machines */
 	host_cntl |= (OUTFF_ENB | CMDFF_ENB |
 				QUICK_RD_RETRY | QUICK_WR_RETRY | PERR_INT_ENB);
diff --git a/drivers/base/core.c b/drivers/base/core.c
index 3f4d6aa13990..2683eac30c68 100644
--- a/drivers/base/core.c
+++ b/drivers/base/core.c
@@ -770,9 +770,10 @@ int device_add(struct device *dev)
 	error = device_add_attrs(dev);
 	if (error)
 		goto AttrsError;
-	error = device_pm_add(dev);
+	error = dpm_sysfs_add(dev);
 	if (error)
 		goto PMError;
+	device_pm_add(dev);
 	error = bus_add_device(dev);
 	if (error)
 		goto BusError;
@@ -797,6 +798,7 @@ int device_add(struct device *dev)
 	return error;
  BusError:
 	device_pm_remove(dev);
+	dpm_sysfs_remove(dev);
  PMError:
 	if (dev->bus)
 		blocking_notifier_call_chain(&dev->bus->bus_notifier,
diff --git a/drivers/base/power/Makefile b/drivers/base/power/Makefile
index a803733c839e..44504e6618fb 100644
--- a/drivers/base/power/Makefile
+++ b/drivers/base/power/Makefile
@@ -1,5 +1,6 @@
 obj-y			:= shutdown.o
-obj-$(CONFIG_PM_SLEEP)	+= main.o sysfs.o
+obj-$(CONFIG_PM)	+= sysfs.o
+obj-$(CONFIG_PM_SLEEP)	+= main.o
 obj-$(CONFIG_PM_TRACE)	+= trace.o
 
 ifeq ($(CONFIG_DEBUG_DRIVER),y)
diff --git a/drivers/base/power/main.c b/drivers/base/power/main.c
index 0ab4ab21f564..691ffb64cc37 100644
--- a/drivers/base/power/main.c
+++ b/drivers/base/power/main.c
@@ -38,20 +38,14 @@ static DEFINE_MUTEX(dpm_list_mtx);
 int (*platform_enable_wakeup)(struct device *dev, int is_on);
 
 
-int device_pm_add(struct device *dev)
+void device_pm_add(struct device *dev)
 {
-	int error;
-
 	pr_debug("PM: Adding info for %s:%s\n",
 		 dev->bus ? dev->bus->name : "No Bus",
 		 kobject_name(&dev->kobj));
 	mutex_lock(&dpm_list_mtx);
 	list_add_tail(&dev->power.entry, &dpm_active);
-	error = dpm_sysfs_add(dev);
-	if (error)
-		list_del(&dev->power.entry);
 	mutex_unlock(&dpm_list_mtx);
-	return error;
 }
 
 void device_pm_remove(struct device *dev)
diff --git a/drivers/base/power/power.h b/drivers/base/power/power.h
index 5c4efd493fa5..379da4e958e0 100644
--- a/drivers/base/power/power.h
+++ b/drivers/base/power/power.h
@@ -13,14 +13,29 @@ extern void device_shutdown(void);
 
 extern struct list_head dpm_active;	/* The active device list */
 
-static inline struct device * to_device(struct list_head * entry)
+static inline struct device *to_device(struct list_head *entry)
 {
 	return container_of(entry, struct device, power.entry);
 }
 
-extern int device_pm_add(struct device *);
+extern void device_pm_add(struct device *);
 extern void device_pm_remove(struct device *);
 
+#else /* CONFIG_PM_SLEEP */
+
+
+static inline void device_pm_add(struct device *dev)
+{
+}
+
+static inline void device_pm_remove(struct device *dev)
+{
+}
+
+#endif
+
+#ifdef CONFIG_PM
+
 /*
  * sysfs.c
  */
@@ -28,16 +43,15 @@ extern void device_pm_remove(struct device *);
 extern int dpm_sysfs_add(struct device *);
 extern void dpm_sysfs_remove(struct device *);
 
-#else /* CONFIG_PM_SLEEP */
-
+#else /* CONFIG_PM */
 
-static inline int device_pm_add(struct device * dev)
+static inline int dpm_sysfs_add(struct device *dev)
 {
 	return 0;
 }
-static inline void device_pm_remove(struct device * dev)
-{
 
+static inline void dpm_sysfs_remove(struct device *dev)
+{
 }
 
 #endif
diff --git a/drivers/block/virtio_blk.c b/drivers/block/virtio_blk.c
index 3cf7129d83e6..924ddd8bccd2 100644
--- a/drivers/block/virtio_blk.c
+++ b/drivers/block/virtio_blk.c
@@ -223,7 +223,7 @@ static int virtblk_probe(struct virtio_device *vdev)
 	err = virtio_config_val(vdev, VIRTIO_CONFIG_BLK_F_CAPACITY, &cap);
 	if (err) {
 		dev_err(&vdev->dev, "Bad/missing capacity in config\n");
-		goto out_put_disk;
+		goto out_cleanup_queue;
 	}
 
 	/* If capacity is too big, truncate with warning. */
@@ -239,7 +239,7 @@ static int virtblk_probe(struct virtio_device *vdev)
 		blk_queue_max_segment_size(vblk->disk->queue, v);
 	else if (err != -ENOENT) {
 		dev_err(&vdev->dev, "Bad SIZE_MAX in config\n");
-		goto out_put_disk;
+		goto out_cleanup_queue;
 	}
 
 	err = virtio_config_val(vdev, VIRTIO_CONFIG_BLK_F_SEG_MAX, &v);
@@ -247,12 +247,14 @@ static int virtblk_probe(struct virtio_device *vdev)
 		blk_queue_max_hw_segments(vblk->disk->queue, v);
 	else if (err != -ENOENT) {
 		dev_err(&vdev->dev, "Bad SEG_MAX in config\n");
-		goto out_put_disk;
+		goto out_cleanup_queue;
 	}
 
 	add_disk(vblk->disk);
 	return 0;
 
+out_cleanup_queue:
+	blk_cleanup_queue(vblk->disk->queue);
 out_put_disk:
 	put_disk(vblk->disk);
 out_unregister_blkdev:
@@ -277,6 +279,8 @@ static void virtblk_remove(struct virtio_device *vdev)
 	put_disk(vblk->disk);
 	unregister_blkdev(major, "virtblk");
 	mempool_destroy(vblk->pool);
+	/* There should be nothing in the queue now, so no need to shutdown */
+	vdev->config->del_vq(vblk->vq);
 	kfree(vblk);
 }
 
diff --git a/drivers/char/Kconfig b/drivers/char/Kconfig
index bf18d757b876..a509b8d79781 100644
--- a/drivers/char/Kconfig
+++ b/drivers/char/Kconfig
@@ -457,7 +457,7 @@ config LEGACY_PTYS
 config LEGACY_PTY_COUNT
 	int "Maximum number of legacy PTY in use"
 	depends on LEGACY_PTYS
-	range 1 256
+	range 0 256
 	default "256"
 	---help---
 	  The maximum number of legacy PTYs that can be used at any one time.
diff --git a/drivers/char/sonypi.c b/drivers/char/sonypi.c
index 877e53dcb996..921c6d2bc8fc 100644
--- a/drivers/char/sonypi.c
+++ b/drivers/char/sonypi.c
@@ -1163,7 +1163,7 @@ static struct acpi_driver sonypi_acpi_driver = {
 };
 #endif
 
-static int __devinit sonypi_create_input_devices(void)
+static int __devinit sonypi_create_input_devices(struct platform_device *pdev)
 {
 	struct input_dev *jog_dev;
 	struct input_dev *key_dev;
@@ -1177,6 +1177,7 @@ static int __devinit sonypi_create_input_devices(void)
 	jog_dev->name = "Sony Vaio Jogdial";
 	jog_dev->id.bustype = BUS_ISA;
 	jog_dev->id.vendor = PCI_VENDOR_ID_SONY;
+	jog_dev->dev.parent = &pdev->dev;
 
 	jog_dev->evbit[0] = BIT_MASK(EV_KEY) | BIT_MASK(EV_REL);
 	jog_dev->keybit[BIT_WORD(BTN_MOUSE)] = BIT_MASK(BTN_MIDDLE);
@@ -1191,6 +1192,7 @@ static int __devinit sonypi_create_input_devices(void)
 	key_dev->name = "Sony Vaio Keys";
 	key_dev->id.bustype = BUS_ISA;
 	key_dev->id.vendor = PCI_VENDOR_ID_SONY;
+	key_dev->dev.parent = &pdev->dev;
 
 	/* Initialize the Input Drivers: special keys */
 	key_dev->evbit[0] = BIT_MASK(EV_KEY);
@@ -1385,7 +1387,7 @@ static int __devinit sonypi_probe(struct platform_device *dev)
 
 	if (useinput) {
 
-		error = sonypi_create_input_devices();
+		error = sonypi_create_input_devices(dev);
 		if (error) {
 			printk(KERN_ERR
 				"sonypi: failed to create input devices\n");
@@ -1432,7 +1434,7 @@ static int __devexit sonypi_remove(struct platform_device *dev)
 {
 	sonypi_disable();
 
-	synchronize_sched();  /* Allow sonypi interrupt to complete. */
+	synchronize_irq(sonypi_device.irq);
 	flush_scheduled_work();
 
 	if (useinput) {
diff --git a/drivers/char/tpm/tpm_tis.c b/drivers/char/tpm/tpm_tis.c
index fd771a4d6d18..81503d94fecc 100644
--- a/drivers/char/tpm/tpm_tis.c
+++ b/drivers/char/tpm/tpm_tis.c
@@ -450,6 +450,11 @@ static int tpm_tis_init(struct device *dev, resource_size_t start,
 		goto out_err;
 	}
 
+	if (request_locality(chip, 0) != 0) {
+		rc = -ENODEV;
+		goto out_err;
+	}
+
 	vendor = ioread32(chip->vendor.iobase + TPM_DID_VID(0));
 
 	/* Default timeouts */
@@ -487,11 +492,6 @@ static int tpm_tis_init(struct device *dev, resource_size_t start,
 	if (intfcaps & TPM_INTF_DATA_AVAIL_INT)
 		dev_dbg(dev, "\tData Avail Int Support\n");
 
-	if (request_locality(chip, 0) != 0) {
-		rc = -ENODEV;
-		goto out_err;
-	}
-
 	/* INTERRUPT Setup */
 	init_waitqueue_head(&chip->vendor.read_queue);
 	init_waitqueue_head(&chip->vendor.int_queue);
diff --git a/drivers/dma/Kconfig b/drivers/dma/Kconfig
index 6a7d25fc2470..c46b7c219ee9 100644
--- a/drivers/dma/Kconfig
+++ b/drivers/dma/Kconfig
@@ -3,11 +3,13 @@
 #
 
 menuconfig DMADEVICES
-	bool "DMA Offload Engine support"
+	bool "DMA Engine support"
 	depends on (PCI && X86) || ARCH_IOP32X || ARCH_IOP33X || ARCH_IOP13XX
 	help
-	  Intel(R) offload engines enable offloading memory copies in the
-	  network stack and RAID operations in the MD driver.
+	  DMA engines can do asynchronous data transfers without
+	  involving the host CPU.  Currently, this framework can be
+	  used to offload memory copies in the network stack and
+	  RAID operations in the MD driver.
 
 if DMADEVICES
 
diff --git a/drivers/ide/Kconfig b/drivers/ide/Kconfig
index e445fe6e4ba9..45b22282f149 100644
--- a/drivers/ide/Kconfig
+++ b/drivers/ide/Kconfig
@@ -313,7 +313,6 @@ comment "IDE chipset support/bugfixes"
 
 config IDE_GENERIC
 	tristate "generic/default IDE chipset support"
-	default H8300
 	help
 	  If unsure, say N.
 
@@ -484,6 +483,7 @@ config WDC_ALI15X3
 
 config BLK_DEV_AMD74XX
 	tristate "AMD and nVidia IDE support"
+	depends on !ARM
 	select BLK_DEV_IDEDMA_PCI
 	help
 	  This driver adds explicit support for AMD-7xx and AMD-8111 chips
@@ -883,6 +883,49 @@ config BLK_DEV_IDE_BAST
 	  Say Y here if you want to support the onboard IDE channels on the
 	  Simtec BAST or the Thorcom VR1000
 
+config ETRAX_IDE
+	bool "ETRAX IDE support"
+	depends on CRIS && BROKEN
+	select BLK_DEV_IDEDMA
+	select IDE_GENERIC
+	help
+	  Enables the ETRAX IDE driver.
+
+	  You can't use parallel ports or SCSI ports at the same time.
+
+config ETRAX_IDE_DELAY
+	int "Delay for drives to regain consciousness"
+	depends on ETRAX_IDE && ETRAX_ARCH_V10
+	default 15
+	help
+	  Number of seconds to wait for IDE drives to spin up after an IDE
+	  reset.
+
+choice
+	prompt "IDE reset pin"
+	depends on ETRAX_IDE && ETRAX_ARCH_V10
+	default ETRAX_IDE_PB7_RESET
+
+config ETRAX_IDE_PB7_RESET
+	bool "Port_PB_Bit_7"
+	help
+	  IDE reset on pin 7 on port B
+
+config ETRAX_IDE_G27_RESET
+	bool "Port_G_Bit_27"
+	help
+	  IDE reset on pin 27 on port G
+
+endchoice
+
+config IDE_H8300
+	bool "H8300 IDE support"
+	depends on H8300
+	select IDE_GENERIC
+	default y
+	help
+	  Enables the H8300 IDE driver.
+
 config BLK_DEV_GAYLE
 	bool "Amiga Gayle IDE interface support"
 	depends on AMIGA
@@ -963,7 +1006,7 @@ config BLK_DEV_Q40IDE
 
 config BLK_DEV_MPC8xx_IDE
 	bool "MPC8xx IDE support"
-	depends on 8xx && IDE=y && BLK_DEV_IDE=y && !PPC_MERGE
+	depends on 8xx && (LWMON || IVMS8 || IVML24 || TQM8xxL) && IDE=y && BLK_DEV_IDE=y && !PPC_MERGE
 	select IDE_GENERIC
 	help
 	  This option provides support for IDE on Motorola MPC8xx Systems.
diff --git a/drivers/ide/Makefile b/drivers/ide/Makefile
index 75dc6969e0a7..b181fc672057 100644
--- a/drivers/ide/Makefile
+++ b/drivers/ide/Makefile
@@ -39,7 +39,7 @@ ide-core-$(CONFIG_BLK_DEV_MPC8xx_IDE)	+= ppc/mpc8xx.o
 ide-core-$(CONFIG_BLK_DEV_IDE_PMAC)	+= ppc/pmac.o
 
 # built-in only drivers from h8300/
-ide-core-$(CONFIG_H8300)		+= h8300/ide-h8300.o
+ide-core-$(CONFIG_IDE_H8300)		+= h8300/ide-h8300.o
 
 obj-$(CONFIG_BLK_DEV_IDE)		+= ide-core.o
 obj-$(CONFIG_IDE_GENERIC)		+= ide-generic.o
diff --git a/drivers/ide/cris/ide-cris.c b/drivers/ide/cris/ide-cris.c
index 7f5bc2ee6c7e..476e0d65ed43 100644
--- a/drivers/ide/cris/ide-cris.c
+++ b/drivers/ide/cris/ide-cris.c
@@ -773,15 +773,16 @@ init_e100_ide (void)
 	/* the IDE control register is at ATA address 6, with CS1 active instead of CS0 */
 	ide_offsets[IDE_CONTROL_OFFSET] = cris_ide_reg_addr(6, 1, 0);
 
-	/* first fill in some stuff in the ide_hwifs fields */
+	for (h = 0; h < 4; h++) {
+		ide_hwif_t *hwif = NULL;
 
-	for(h = 0; h < MAX_HWIFS; h++) {
-		ide_hwif_t *hwif = &ide_hwifs[h];
 		ide_setup_ports(&hw, cris_ide_base_address(h),
 		                ide_offsets,
 		                0, 0, cris_ide_ack_intr,
 		                ide_default_irq(0));
 		ide_register_hw(&hw, NULL, 1, &hwif);
+		if (hwif == NULL)
+			continue;
 		hwif->mmio = 1;
 		hwif->chipset = ide_etrax100;
 		hwif->set_pio_mode = &cris_set_pio_mode;
diff --git a/drivers/ide/ide-dma.c b/drivers/ide/ide-dma.c
index e3add70b9cd8..0d795a1678c7 100644
--- a/drivers/ide/ide-dma.c
+++ b/drivers/ide/ide-dma.c
@@ -130,6 +130,7 @@ static const struct drive_list_entry drive_blacklist [] = {
 	{ "_NEC DV5800A",               NULL            },
 	{ "SAMSUNG CD-ROM SN-124",	"N001" },
 	{ "Seagate STT20000A",		NULL  },
+	{ "CD-ROM CDR_U200",		"1.09" },
 	{ NULL			,	NULL		}
 
 };
diff --git a/drivers/ide/ide-iops.c b/drivers/ide/ide-iops.c
index e17a9ee120ea..5c3256180ae5 100644
--- a/drivers/ide/ide-iops.c
+++ b/drivers/ide/ide-iops.c
@@ -303,9 +303,6 @@ void default_hwif_transport(ide_hwif_t *hwif)
 	hwif->atapi_output_bytes	= atapi_output_bytes;
 }
 
-/*
- * Beginning of Taskfile OPCODE Library and feature sets.
- */
 void ide_fix_driveid (struct hd_driveid *id)
 {
 #ifndef __LITTLE_ENDIAN
@@ -592,6 +589,9 @@ EXPORT_SYMBOL_GPL(ide_in_drive_list);
 static const struct drive_list_entry ivb_list[] = {
 	{ "QUANTUM FIREBALLlct10 05"	, "A03.0900"	},
 	{ "TSSTcorp CDDVDW SH-S202J"	, "SB00"	},
+	{ "TSSTcorp CDDVDW SH-S202J"	, "SB01"	},
+	{ "TSSTcorp CDDVDW SH-S202N"	, "SB00"	},
+	{ "TSSTcorp CDDVDW SH-S202N"	, "SB01"	},
 	{ NULL				, NULL		}
 };
 
@@ -756,7 +756,7 @@ int ide_driveid_update(ide_drive_t *drive)
 int ide_config_drive_speed(ide_drive_t *drive, u8 speed)
 {
 	ide_hwif_t *hwif = drive->hwif;
-	int error;
+	int error = 0;
 	u8 stat;
 
 //	while (HWGROUP(drive)->busy)
@@ -767,6 +767,10 @@ int ide_config_drive_speed(ide_drive_t *drive, u8 speed)
 		hwif->dma_host_off(drive);
 #endif
 
+	/* Skip setting PIO flow-control modes on pre-EIDE drives */
+	if ((speed & 0xf8) == XFER_PIO_0 && !(drive->id->capability & 0x08))
+		goto skip;
+
 	/*
 	 * Don't use ide_wait_cmd here - it will
 	 * attempt to set_geometry and recalibrate,
@@ -814,6 +818,7 @@ int ide_config_drive_speed(ide_drive_t *drive, u8 speed)
 	drive->id->dma_mword &= ~0x0F00;
 	drive->id->dma_1word &= ~0x0F00;
 
+ skip:
 #ifdef CONFIG_BLK_DEV_IDEDMA
 	if (speed >= XFER_SW_DMA_0)
 		hwif->dma_host_on(drive);
diff --git a/drivers/ide/ide-probe.c b/drivers/ide/ide-probe.c
index 56fb0b843429..ee848c705995 100644
--- a/drivers/ide/ide-probe.c
+++ b/drivers/ide/ide-probe.c
@@ -644,7 +644,7 @@ static void hwif_register (ide_hwif_t *hwif)
 
 static int wait_hwif_ready(ide_hwif_t *hwif)
 {
-	int rc;
+	int unit, rc;
 
 	printk(KERN_DEBUG "Probing IDE interface %s...\n", hwif->name);
 
@@ -661,20 +661,26 @@ static int wait_hwif_ready(ide_hwif_t *hwif)
 		return rc;
 
 	/* Now make sure both master & slave are ready */
-	SELECT_DRIVE(&hwif->drives[0]);
-	hwif->OUTB(8, hwif->io_ports[IDE_CONTROL_OFFSET]);
-	mdelay(2);
-	rc = ide_wait_not_busy(hwif, 35000);
-	if (rc)
-		return rc;
-	SELECT_DRIVE(&hwif->drives[1]);
-	hwif->OUTB(8, hwif->io_ports[IDE_CONTROL_OFFSET]);
-	mdelay(2);
-	rc = ide_wait_not_busy(hwif, 35000);
+	for (unit = 0; unit < MAX_DRIVES; unit++) {
+		ide_drive_t *drive = &hwif->drives[unit];
 
+		/* Ignore disks that we will not probe for later. */
+		if (!drive->noprobe || drive->present) {
+			SELECT_DRIVE(drive);
+			hwif->OUTB(8, hwif->io_ports[IDE_CONTROL_OFFSET]);
+			mdelay(2);
+			rc = ide_wait_not_busy(hwif, 35000);
+			if (rc)
+				goto out;
+		} else
+			printk(KERN_DEBUG "%s: ide_wait_not_busy() skipped\n",
+					  drive->name);
+	}
+out:
 	/* Exit function with master reselected (let's be sane) */
-	SELECT_DRIVE(&hwif->drives[0]);
-	
+	if (unit)
+		SELECT_DRIVE(&hwif->drives[0]);
+
 	return rc;
 }
 
diff --git a/drivers/ide/legacy/ali14xx.c b/drivers/ide/legacy/ali14xx.c
index 10311ecc674a..38c3a6d63f30 100644
--- a/drivers/ide/legacy/ali14xx.c
+++ b/drivers/ide/legacy/ali14xx.c
@@ -53,12 +53,13 @@
 
 /* port addresses for auto-detection */
 #define ALI_NUM_PORTS 4
-static int ports[ALI_NUM_PORTS] __initdata = {0x074, 0x0f4, 0x034, 0x0e4};
+static const int ports[ALI_NUM_PORTS] __initdata =
+	{ 0x074, 0x0f4, 0x034, 0x0e4 };
 
 /* register initialization data */
 typedef struct { u8 reg, data; } RegInitializer;
 
-static RegInitializer initData[] __initdata = {
+static const RegInitializer initData[] __initdata = {
 	{0x01, 0x0f}, {0x02, 0x00}, {0x03, 0x00}, {0x04, 0x00},
 	{0x05, 0x00}, {0x06, 0x00}, {0x07, 0x2b}, {0x0a, 0x0f},
 	{0x25, 0x00}, {0x26, 0x00}, {0x27, 0x00}, {0x28, 0x00},
@@ -177,7 +178,7 @@ static int __init findPort (void)
  * Initialize controller registers with default values.
  */
 static int __init initRegisters (void) {
-	RegInitializer *p;
+	const RegInitializer *p;
 	u8 t;
 	unsigned long flags;
 
diff --git a/drivers/ide/legacy/macide.c b/drivers/ide/legacy/macide.c
index e87cd2f16430..5c6aa77c2370 100644
--- a/drivers/ide/legacy/macide.c
+++ b/drivers/ide/legacy/macide.c
@@ -81,7 +81,7 @@ int macide_ack_intr(ide_hwif_t* hwif)
  * Probe for a Macintosh IDE interface
  */
 
-void macide_init(void)
+void __init macide_init(void)
 {
 	hw_regs_t hw;
 	ide_hwif_t *hwif;
diff --git a/drivers/ide/legacy/q40ide.c b/drivers/ide/legacy/q40ide.c
index a73db1bd482d..6ea46a6723e2 100644
--- a/drivers/ide/legacy/q40ide.c
+++ b/drivers/ide/legacy/q40ide.c
@@ -111,7 +111,7 @@ static const char *q40_ide_names[Q40IDE_NUM_HWIFS]={
  *  Probe for Q40 IDE interfaces
  */
 
-void q40ide_init(void)
+void __init q40ide_init(void)
 {
     int i;
     ide_hwif_t *hwif;
diff --git a/drivers/ide/pci/aec62xx.c b/drivers/ide/pci/aec62xx.c
index 19ec421f7b9f..44268504ae43 100644
--- a/drivers/ide/pci/aec62xx.c
+++ b/drivers/ide/pci/aec62xx.c
@@ -260,6 +260,11 @@ static int __devinit aec62xx_init_one(struct pci_dev *dev, const struct pci_devi
 {
 	struct ide_port_info d;
 	u8 idx = id->driver_data;
+	int err;
+
+	err = pci_enable_device(dev);
+	if (err)
+		return err;
 
 	d = aec62xx_chipsets[idx];
 
@@ -272,7 +277,11 @@ static int __devinit aec62xx_init_one(struct pci_dev *dev, const struct pci_devi
 		}
 	}
 
-	return ide_setup_pci_device(dev, &d);
+	err = ide_setup_pci_device(dev, &d);
+	if (err)
+		pci_disable_device(dev);
+
+	return err;
 }
 
 static const struct pci_device_id aec62xx_pci_tbl[] = {
diff --git a/drivers/ide/pci/alim15x3.c b/drivers/ide/pci/alim15x3.c
index a607dd31a64c..ce293936af4b 100644
--- a/drivers/ide/pci/alim15x3.c
+++ b/drivers/ide/pci/alim15x3.c
@@ -603,6 +603,11 @@ static int ali_cable_override(struct pci_dev *pdev)
 	    pdev->subsystem_device == 0x10AF)
 		return 1;
 
+	/* Mitac 8317 (Winbook-A) and relatives */
+	if (pdev->subsystem_vendor == 0x1071 &&
+	    pdev->subsystem_device == 0x8317)
+		return 1;
+
 	/* Systems by DMI */
 	if (dmi_check_system(cable_dmi_table))
 		return 1;
diff --git a/drivers/ide/pci/piix.c b/drivers/ide/pci/piix.c
index 63625a0be712..27781d294cea 100644
--- a/drivers/ide/pci/piix.c
+++ b/drivers/ide/pci/piix.c
@@ -306,6 +306,7 @@ static const struct ich_laptop ich_laptop[] = {
 	{ 0x27DF, 0x0005, 0x0280 },	/* ICH7 on Acer 5602WLMi */
 	{ 0x27DF, 0x1025, 0x0110 },	/* ICH7 on Acer 3682WLMi */
 	{ 0x27DF, 0x1043, 0x1267 },	/* ICH7 on Asus W5F */
+	{ 0x27DF, 0x103C, 0x30A1 },	/* ICH7 on HP Compaq nc2400 */
 	{ 0x24CA, 0x1025, 0x0061 },	/* ICH4 on Acer Aspire 2023WLMi */
 	/* end marker */
 	{ 0, }
diff --git a/drivers/ide/pci/siimage.c b/drivers/ide/pci/siimage.c
index 6d99441c605b..5709c252543b 100644
--- a/drivers/ide/pci/siimage.c
+++ b/drivers/ide/pci/siimage.c
@@ -1,5 +1,5 @@
 /*
- * linux/drivers/ide/pci/siimage.c		Version 1.18	Oct 18 2007
+ * linux/drivers/ide/pci/siimage.c		Version 1.19	Nov 16 2007
  *
  * Copyright (C) 2001-2002	Andre Hedrick <andre@linux-ide.org>
  * Copyright (C) 2003		Red Hat <alan@redhat.com>
@@ -460,48 +460,6 @@ static void sil_sata_pre_reset(ide_drive_t *drive)
 }
 
 /**
- *	siimage_reset	-	reset a device on an siimage controller
- *	@drive: drive to reset
- *
- *	Perform a controller level reset fo the device. For
- *	SATA we must also check the PHY.
- */
- 
-static void siimage_reset (ide_drive_t *drive)
-{
-	ide_hwif_t *hwif	= HWIF(drive);
-	u8 reset		= 0;
-	unsigned long addr	= siimage_selreg(hwif, 0);
-
-	if (hwif->mmio) {
-		reset = hwif->INB(addr);
-		hwif->OUTB((reset|0x03), addr);
-		/* FIXME:posting */
-		udelay(25);
-		hwif->OUTB(reset, addr);
-		(void) hwif->INB(addr);
-	} else {
-		pci_read_config_byte(hwif->pci_dev, addr, &reset);
-		pci_write_config_byte(hwif->pci_dev, addr, reset|0x03);
-		udelay(25);
-		pci_write_config_byte(hwif->pci_dev, addr, reset);
-		pci_read_config_byte(hwif->pci_dev, addr, &reset);
-	}
-
-	if (SATA_STATUS_REG) {
-		/* SATA_STATUS_REG is valid only when in MMIO mode */
-		u32 sata_stat = readl((void __iomem *)SATA_STATUS_REG);
-		printk(KERN_WARNING "%s: reset phy, status=0x%08x, %s\n",
-			hwif->name, sata_stat, __FUNCTION__);
-		if (!(sata_stat)) {
-			printk(KERN_WARNING "%s: reset phy dead, status=0x%08x\n",
-				hwif->name, sata_stat);
-			drive->failures++;
-		}
-	}
-}
-
-/**
  *	proc_reports_siimage		-	add siimage controller to proc
  *	@dev: PCI device
  *	@clocking: SCSC value
@@ -857,7 +815,6 @@ static void __devinit init_hwif_siimage(ide_hwif_t *hwif)
 {
 	u8 sata = is_sata(hwif);
 
-	hwif->resetproc = &siimage_reset;
 	hwif->set_pio_mode = &sil_set_pio_mode;
 	hwif->set_dma_mode = &sil_set_dma_mode;
 
diff --git a/drivers/ide/pci/sis5513.c b/drivers/ide/pci/sis5513.c
index f6e2ab3dd166..d90b42917775 100644
--- a/drivers/ide/pci/sis5513.c
+++ b/drivers/ide/pci/sis5513.c
@@ -526,6 +526,7 @@ static const struct sis_laptop sis_laptop[] = {
 	/* devid, subvendor, subdev */
 	{ 0x5513, 0x1043, 0x1107 },	/* ASUS A6K */
 	{ 0x5513, 0x1734, 0x105f },	/* FSC Amilo A1630 */
+	{ 0x5513, 0x1071, 0x8640 },     /* EasyNote K5305 */
 	/* end marker */
 	{ 0, }
 };
diff --git a/drivers/ide/pci/trm290.c b/drivers/ide/pci/trm290.c
index 5011ba22e36c..0895e753a35d 100644
--- a/drivers/ide/pci/trm290.c
+++ b/drivers/ide/pci/trm290.c
@@ -240,9 +240,6 @@ static int trm290_ide_dma_test_irq (ide_drive_t *drive)
 	return (status == 0x00ff);
 }
 
-/*
- * Invoked from ide-dma.c at boot time.
- */
 static void __devinit init_hwif_trm290(ide_hwif_t *hwif)
 {
 	unsigned int cfgbase = 0;
diff --git a/drivers/ide/ppc/pmac.c b/drivers/ide/ppc/pmac.c
index 5afdfef7264c..7f7a59885777 100644
--- a/drivers/ide/ppc/pmac.c
+++ b/drivers/ide/ppc/pmac.c
@@ -1513,7 +1513,7 @@ pmac_ide_build_dmatable(ide_drive_t *drive, struct request *rq)
 
 		if (pmif->broken_dma && cur_addr & (L1_CACHE_BYTES - 1)) {
 			if (pmif->broken_dma_warn == 0) {
-				printk(KERN_WARNING "%s: DMA on non aligned address,"
+				printk(KERN_WARNING "%s: DMA on non aligned address, "
 				       "switching to PIO on Ohare chipset\n", drive->name);
 				pmif->broken_dma_warn = 1;
 			}
diff --git a/drivers/infiniband/hw/ehca/ehca_av.c b/drivers/infiniband/hw/ehca/ehca_av.c
index 453eb995c1d4..f7782c882ab4 100644
--- a/drivers/infiniband/hw/ehca/ehca_av.c
+++ b/drivers/infiniband/hw/ehca/ehca_av.c
@@ -76,8 +76,12 @@ int ehca_calc_ipd(struct ehca_shca *shca, int port,
 
 	link = ib_width_enum_to_int(pa.active_width) * pa.active_speed;
 
-	/* IPD = round((link / path) - 1) */
-	*ipd = ((link + (path >> 1)) / path) - 1;
+	if (path >= link)
+		/* no need to throttle if path faster than link */
+		*ipd = 0;
+	else
+		/* IPD = round((link / path) - 1) */
+		*ipd = ((link + (path >> 1)) / path) - 1;
 
 	return 0;
 }
diff --git a/drivers/infiniband/hw/ehca/ehca_qp.c b/drivers/infiniband/hw/ehca/ehca_qp.c
index 2e3e6547cb78..dd126681fed0 100644
--- a/drivers/infiniband/hw/ehca/ehca_qp.c
+++ b/drivers/infiniband/hw/ehca/ehca_qp.c
@@ -1203,7 +1203,7 @@ static int internal_modify_qp(struct ib_qp *ibqp,
 		mqpcb->service_level = attr->ah_attr.sl;
 		update_mask |= EHCA_BMASK_SET(MQPCB_MASK_SERVICE_LEVEL, 1);
 
-		if (ehca_calc_ipd(shca, my_qp->init_attr.port_num,
+		if (ehca_calc_ipd(shca, mqpcb->prim_phys_port,
 				  attr->ah_attr.static_rate,
 				  &mqpcb->max_static_rate)) {
 			ret = -EINVAL;
@@ -1302,7 +1302,7 @@ static int internal_modify_qp(struct ib_qp *ibqp,
 		mqpcb->source_path_bits_al = attr->alt_ah_attr.src_path_bits;
 		mqpcb->service_level_al = attr->alt_ah_attr.sl;
 
-		if (ehca_calc_ipd(shca, my_qp->init_attr.port_num,
+		if (ehca_calc_ipd(shca, mqpcb->alt_phys_port,
 				  attr->alt_ah_attr.static_rate,
 				  &mqpcb->max_static_rate_al)) {
 			ret = -EINVAL;
diff --git a/drivers/infiniband/hw/ipath/ipath_cq.c b/drivers/infiniband/hw/ipath/ipath_cq.c
index 08d8ae148cd0..d1380c7a1703 100644
--- a/drivers/infiniband/hw/ipath/ipath_cq.c
+++ b/drivers/infiniband/hw/ipath/ipath_cq.c
@@ -395,12 +395,9 @@ int ipath_resize_cq(struct ib_cq *ibcq, int cqe, struct ib_udata *udata)
 		goto bail;
 	}
 
-	/*
-	 * Return the address of the WC as the offset to mmap.
-	 * See ipath_mmap() for details.
-	 */
+	/* Check that we can write the offset to mmap. */
 	if (udata && udata->outlen >= sizeof(__u64)) {
-		__u64 offset = (__u64) wc;
+		__u64 offset = 0;
 
 		ret = ib_copy_to_udata(udata, &offset, sizeof(offset));
 		if (ret)
@@ -450,6 +447,18 @@ int ipath_resize_cq(struct ib_cq *ibcq, int cqe, struct ib_udata *udata)
 		struct ipath_mmap_info *ip = cq->ip;
 
 		ipath_update_mmap_info(dev, ip, sz, wc);
+
+		/*
+		 * Return the offset to mmap.
+		 * See ipath_mmap() for details.
+		 */
+		if (udata && udata->outlen >= sizeof(__u64)) {
+			ret = ib_copy_to_udata(udata, &ip->offset,
+					       sizeof(ip->offset));
+			if (ret)
+				goto bail;
+		}
+
 		spin_lock_irq(&dev->pending_lock);
 		if (list_empty(&ip->pending_mmaps))
 			list_add(&ip->pending_mmaps, &dev->pending_mmaps);
diff --git a/drivers/infiniband/hw/ipath/ipath_qp.c b/drivers/infiniband/hw/ipath/ipath_qp.c
index 6a41fdbc8e57..b997ff88401b 100644
--- a/drivers/infiniband/hw/ipath/ipath_qp.c
+++ b/drivers/infiniband/hw/ipath/ipath_qp.c
@@ -835,7 +835,8 @@ struct ib_qp *ipath_create_qp(struct ib_pd *ibpd,
 				      init_attr->qp_type);
 		if (err) {
 			ret = ERR_PTR(err);
-			goto bail_rwq;
+			vfree(qp->r_rq.wq);
+			goto bail_qp;
 		}
 		qp->ip = NULL;
 		ipath_reset_qp(qp);
@@ -863,7 +864,7 @@ struct ib_qp *ipath_create_qp(struct ib_pd *ibpd,
 					       sizeof(offset));
 			if (err) {
 				ret = ERR_PTR(err);
-				goto bail_rwq;
+				goto bail_ip;
 			}
 		} else {
 			u32 s = sizeof(struct ipath_rwq) +
@@ -875,7 +876,7 @@ struct ib_qp *ipath_create_qp(struct ib_pd *ibpd,
 						   qp->r_rq.wq);
 			if (!qp->ip) {
 				ret = ERR_PTR(-ENOMEM);
-				goto bail_rwq;
+				goto bail_ip;
 			}
 
 			err = ib_copy_to_udata(udata, &(qp->ip->offset),
@@ -907,9 +908,11 @@ struct ib_qp *ipath_create_qp(struct ib_pd *ibpd,
 	goto bail;
 
 bail_ip:
-	kfree(qp->ip);
-bail_rwq:
-	vfree(qp->r_rq.wq);
+	if (qp->ip)
+		kref_put(&qp->ip->ref, ipath_release_mmap_info);
+	else
+		vfree(qp->r_rq.wq);
+	ipath_free_qp(&dev->qp_table, qp);
 bail_qp:
 	kfree(qp);
 bail_swq:
diff --git a/drivers/infiniband/hw/ipath/ipath_srq.c b/drivers/infiniband/hw/ipath/ipath_srq.c
index 40c36ec19016..2fef36f4b675 100644
--- a/drivers/infiniband/hw/ipath/ipath_srq.c
+++ b/drivers/infiniband/hw/ipath/ipath_srq.c
@@ -59,7 +59,7 @@ int ipath_post_srq_receive(struct ib_srq *ibsrq, struct ib_recv_wr *wr,
 
 		if ((unsigned) wr->num_sge > srq->rq.max_sge) {
 			*bad_wr = wr;
-			ret = -ENOMEM;
+			ret = -EINVAL;
 			goto bail;
 		}
 
@@ -211,11 +211,11 @@ int ipath_modify_srq(struct ib_srq *ibsrq, struct ib_srq_attr *attr,
 		     struct ib_udata *udata)
 {
 	struct ipath_srq *srq = to_isrq(ibsrq);
+	struct ipath_rwq *wq;
 	int ret = 0;
 
 	if (attr_mask & IB_SRQ_MAX_WR) {
 		struct ipath_rwq *owq;
-		struct ipath_rwq *wq;
 		struct ipath_rwqe *p;
 		u32 sz, size, n, head, tail;
 
@@ -236,27 +236,20 @@ int ipath_modify_srq(struct ib_srq *ibsrq, struct ib_srq_attr *attr,
 			goto bail;
 		}
 
-		/*
-		 * Return the address of the RWQ as the offset to mmap.
-		 * See ipath_mmap() for details.
-		 */
+		/* Check that we can write the offset to mmap. */
 		if (udata && udata->inlen >= sizeof(__u64)) {
 			__u64 offset_addr;
-			__u64 offset = (__u64) wq;
+			__u64 offset = 0;
 
 			ret = ib_copy_from_udata(&offset_addr, udata,
 						 sizeof(offset_addr));
-			if (ret) {
-				vfree(wq);
-				goto bail;
-			}
+			if (ret)
+				goto bail_free;
 			udata->outbuf = (void __user *) offset_addr;
 			ret = ib_copy_to_udata(udata, &offset,
 					       sizeof(offset));
-			if (ret) {
-				vfree(wq);
-				goto bail;
-			}
+			if (ret)
+				goto bail_free;
 		}
 
 		spin_lock_irq(&srq->rq.lock);
@@ -277,10 +270,8 @@ int ipath_modify_srq(struct ib_srq *ibsrq, struct ib_srq_attr *attr,
 		else
 			n -= tail;
 		if (size <= n) {
-			spin_unlock_irq(&srq->rq.lock);
-			vfree(wq);
 			ret = -EINVAL;
-			goto bail;
+			goto bail_unlock;
 		}
 		n = 0;
 		p = wq->wq;
@@ -314,6 +305,18 @@ int ipath_modify_srq(struct ib_srq *ibsrq, struct ib_srq_attr *attr,
 			u32 s = sizeof(struct ipath_rwq) + size * sz;
 
 			ipath_update_mmap_info(dev, ip, s, wq);
+
+			/*
+			 * Return the offset to mmap.
+			 * See ipath_mmap() for details.
+			 */
+			if (udata && udata->inlen >= sizeof(__u64)) {
+				ret = ib_copy_to_udata(udata, &ip->offset,
+						       sizeof(ip->offset));
+				if (ret)
+					goto bail;
+			}
+
 			spin_lock_irq(&dev->pending_lock);
 			if (list_empty(&ip->pending_mmaps))
 				list_add(&ip->pending_mmaps,
@@ -328,7 +331,12 @@ int ipath_modify_srq(struct ib_srq *ibsrq, struct ib_srq_attr *attr,
 			srq->limit = attr->srq_limit;
 		spin_unlock_irq(&srq->rq.lock);
 	}
+	goto bail;
 
+bail_unlock:
+	spin_unlock_irq(&srq->rq.lock);
+bail_free:
+	vfree(wq);
 bail:
 	return ret;
 }
diff --git a/drivers/infiniband/hw/ipath/ipath_verbs.c b/drivers/infiniband/hw/ipath/ipath_verbs.c
index 74f77e7c2c1b..c4c998446c7b 100644
--- a/drivers/infiniband/hw/ipath/ipath_verbs.c
+++ b/drivers/infiniband/hw/ipath/ipath_verbs.c
@@ -302,8 +302,10 @@ static int ipath_post_one_send(struct ipath_qp *qp, struct ib_send_wr *wr)
 	next = qp->s_head + 1;
 	if (next >= qp->s_size)
 		next = 0;
-	if (next == qp->s_last)
-		goto bail_inval;
+	if (next == qp->s_last) {
+		ret = -ENOMEM;
+		goto bail;
+	}
 
 	wqe = get_swqe_ptr(qp, qp->s_head);
 	wqe->wr = *wr;
@@ -404,7 +406,7 @@ static int ipath_post_receive(struct ib_qp *ibqp, struct ib_recv_wr *wr,
 
 		if ((unsigned) wr->num_sge > qp->r_rq.max_sge) {
 			*bad_wr = wr;
-			ret = -ENOMEM;
+			ret = -EINVAL;
 			goto bail;
 		}
 
diff --git a/drivers/infiniband/ulp/ipoib/ipoib_main.c b/drivers/infiniband/ulp/ipoib/ipoib_main.c
index a03a65ebcf0c..c9f6077b615e 100644
--- a/drivers/infiniband/ulp/ipoib/ipoib_main.c
+++ b/drivers/infiniband/ulp/ipoib/ipoib_main.c
@@ -460,6 +460,9 @@ static struct ipoib_path *path_rec_create(struct net_device *dev, void *gid)
 	struct ipoib_dev_priv *priv = netdev_priv(dev);
 	struct ipoib_path *path;
 
+	if (!priv->broadcast)
+		return NULL;
+
 	path = kzalloc(sizeof *path, GFP_ATOMIC);
 	if (!path)
 		return NULL;
diff --git a/drivers/infiniband/ulp/iser/iser_memory.c b/drivers/infiniband/ulp/iser/iser_memory.c
index d68798061795..4a17743a639f 100644
--- a/drivers/infiniband/ulp/iser/iser_memory.c
+++ b/drivers/infiniband/ulp/iser/iser_memory.c
@@ -310,13 +310,15 @@ static unsigned int iser_data_buf_aligned_len(struct iser_data_buf *data,
 		if (i + 1 < data->dma_nents) {
 			next_addr = ib_sg_dma_address(ibdev, sg_next(sg));
 			/* are i, i+1 fragments of the same page? */
-			if (end_addr == next_addr)
+			if (end_addr == next_addr) {
+				cnt++;
 				continue;
-			else if (!IS_4K_ALIGNED(end_addr)) {
+			} else if (!IS_4K_ALIGNED(end_addr)) {
 				ret_len = cnt + 1;
 				break;
 			}
 		}
+		cnt++;
 	}
 	if (i == data->dma_nents)
 		ret_len = cnt;	/* loop ended */
diff --git a/drivers/input/keyboard/Kconfig b/drivers/input/keyboard/Kconfig
index 2316a018fae6..dfa6592c10f6 100644
--- a/drivers/input/keyboard/Kconfig
+++ b/drivers/input/keyboard/Kconfig
@@ -286,7 +286,7 @@ config KEYBOARD_MAPLE
 
 config KEYBOARD_BFIN
 	tristate "Blackfin BF54x keypad support"
-	depends on BF54x
+	depends on (BF54x && !BF544)
 	help
 	  Say Y here if you want to use the BF54x keypad.
 
diff --git a/drivers/input/keyboard/gpio_keys.c b/drivers/input/keyboard/gpio_keys.c
index 3eddf52a0bba..6a9ca4bdcb74 100644
--- a/drivers/input/keyboard/gpio_keys.c
+++ b/drivers/input/keyboard/gpio_keys.c
@@ -75,16 +75,32 @@ static int __devinit gpio_keys_probe(struct platform_device *pdev)
 
 	for (i = 0; i < pdata->nbuttons; i++) {
 		struct gpio_keys_button *button = &pdata->buttons[i];
-		int irq = gpio_to_irq(button->gpio);
+		int irq;
 		unsigned int type = button->type ?: EV_KEY;
 
+		error = gpio_request(button->gpio, button->desc ?: "gpio_keys");
+		if (error < 0) {
+			pr_err("gpio-keys: failed to request GPIO %d,"
+				" error %d\n", button->gpio, error);
+			goto fail;
+		}
+
+		error = gpio_direction_input(button->gpio);
+		if (error < 0) {
+			pr_err("gpio-keys: failed to configure input"
+				" direction for GPIO %d, error %d\n",
+				button->gpio, error);
+			gpio_free(button->gpio);
+			goto fail;
+		}
+
+		irq = gpio_to_irq(button->gpio);
 		if (irq < 0) {
 			error = irq;
-			printk(KERN_ERR
-				"gpio-keys: "
-				"Unable to get irq number for GPIO %d,"
-				"error %d\n",
+			pr_err("gpio-keys: Unable to get irq number"
+				" for GPIO %d, error %d\n",
 				button->gpio, error);
+			gpio_free(button->gpio);
 			goto fail;
 		}
 
@@ -94,9 +110,9 @@ static int __devinit gpio_keys_probe(struct platform_device *pdev)
 				    button->desc ? button->desc : "gpio_keys",
 				    pdev);
 		if (error) {
-			printk(KERN_ERR
-				"gpio-keys: Unable to claim irq %d; error %d\n",
+			pr_err("gpio-keys: Unable to claim irq %d; error %d\n",
 				irq, error);
+			gpio_free(button->gpio);
 			goto fail;
 		}
 
@@ -108,8 +124,7 @@ static int __devinit gpio_keys_probe(struct platform_device *pdev)
 
 	error = input_register_device(input);
 	if (error) {
-		printk(KERN_ERR
-			"gpio-keys: Unable to register input device, "
+		pr_err("gpio-keys: Unable to register input device, "
 			"error: %d\n", error);
 		goto fail;
 	}
@@ -119,8 +134,10 @@ static int __devinit gpio_keys_probe(struct platform_device *pdev)
 	return 0;
 
  fail:
-	while (--i >= 0)
+	while (--i >= 0) {
 		free_irq(gpio_to_irq(pdata->buttons[i].gpio), pdev);
+		gpio_free(pdata->buttons[i].gpio);
+	}
 
 	platform_set_drvdata(pdev, NULL);
 	input_free_device(input);
@@ -139,6 +156,7 @@ static int __devexit gpio_keys_remove(struct platform_device *pdev)
 	for (i = 0; i < pdata->nbuttons; i++) {
 		int irq = gpio_to_irq(pdata->buttons[i].gpio);
 		free_irq(irq, pdev);
+		gpio_free(pdata->buttons[i].gpio);
 	}
 
 	input_unregister_device(input);
diff --git a/drivers/input/serio/Kconfig b/drivers/input/serio/Kconfig
index 5ce632ca6815..b88569e21d60 100644
--- a/drivers/input/serio/Kconfig
+++ b/drivers/input/serio/Kconfig
@@ -21,7 +21,7 @@ if SERIO
 config SERIO_I8042
 	tristate "i8042 PC Keyboard controller" if EMBEDDED || !X86
 	default y
-	depends on !PARISC && (!ARM || ARCH_SHARK || FOOTBRIDGE_HOST) && !M68K && !BFIN
+	depends on !PARISC && (!ARM || ARCH_SHARK || FOOTBRIDGE_HOST) && !M68K && !BLACKFIN
 	---help---
 	  i8042 is the chip over which the standard AT keyboard and PS/2
 	  mouse are connected to the computer. If you use these devices,
diff --git a/drivers/input/serio/i8042-x86ia64io.h b/drivers/input/serio/i8042-x86ia64io.h
index f8fe42148093..c5e68dcd88ac 100644
--- a/drivers/input/serio/i8042-x86ia64io.h
+++ b/drivers/input/serio/i8042-x86ia64io.h
@@ -110,6 +110,14 @@ static struct dmi_system_id __initdata i8042_dmi_noloop_table[] = {
 			DMI_MATCH(DMI_PRODUCT_VERSION, "5a"),
 		},
 	},
+	{
+		.ident = "Microsoft Virtual Machine",
+		.matches = {
+			DMI_MATCH(DMI_SYS_VENDOR, "Microsoft Corporation"),
+			DMI_MATCH(DMI_PRODUCT_NAME, "Virtual Machine"),
+			DMI_MATCH(DMI_PRODUCT_VERSION, "VS2005R2"),
+		},
+	},
 	{ }
 };
 
diff --git a/drivers/isdn/hisax/hfcscard.c b/drivers/isdn/hisax/hfcscard.c
index 57670dc5034d..909d6709ec16 100644
--- a/drivers/isdn/hisax/hfcscard.c
+++ b/drivers/isdn/hisax/hfcscard.c
@@ -118,8 +118,7 @@ hfcs_card_msg(struct IsdnCardState *cs, int mt, void *arg)
 			return(0);
 		case CARD_INIT:
 			delay = (75*HZ)/100 +1;
-			cs->hw.hfcD.timer.expires = jiffies + delay;
-			add_timer(&cs->hw.hfcD.timer);
+			mod_timer(&cs->hw.hfcD.timer, jiffies + delay);
 			spin_lock_irqsave(&cs->lock, flags);
 			reset_hfcs(cs);
 			init2bds0(cs);
diff --git a/drivers/isdn/i4l/isdn_net.c b/drivers/isdn/i4l/isdn_net.c
index b39d1f5b378e..ced83c202cac 100644
--- a/drivers/isdn/i4l/isdn_net.c
+++ b/drivers/isdn/i4l/isdn_net.c
@@ -2104,7 +2104,7 @@ isdn_net_find_icall(int di, int ch, int idx, setup_parm *setup)
 	u_long flags;
 	isdn_net_dev *p;
 	isdn_net_phone *n;
-	char nr[32];
+	char nr[ISDN_MSNLEN];
 	char *my_eaz;
 
 	/* Search name in netdev-chain */
@@ -2113,7 +2113,7 @@ isdn_net_find_icall(int di, int ch, int idx, setup_parm *setup)
 		nr[1] = '\0';
 		printk(KERN_INFO "isdn_net: Incoming call without OAD, assuming '0'\n");
 	} else
-		strcpy(nr, setup->phone);
+		strlcpy(nr, setup->phone, ISDN_MSNLEN);
 	si1 = (int) setup->si1;
 	si2 = (int) setup->si2;
 	if (!setup->eazmsn[0]) {
@@ -2789,7 +2789,7 @@ isdn_net_setcfg(isdn_net_ioctl_cfg * cfg)
 				chidx = -1;
 			}
 		}
-		strcpy(lp->msn, cfg->eaz);
+		strlcpy(lp->msn, cfg->eaz, sizeof(lp->msn));
 		lp->pre_device = drvidx;
 		lp->pre_channel = chidx;
 		lp->onhtime = cfg->onhtime;
@@ -2936,7 +2936,7 @@ isdn_net_addphone(isdn_net_ioctl_phone * phone)
 	if (p) {
 		if (!(n = kmalloc(sizeof(isdn_net_phone), GFP_KERNEL)))
 			return -ENOMEM;
-		strcpy(n->num, phone->phone);
+		strlcpy(n->num, phone->phone, sizeof(n->num));
 		n->next = p->local->phone[phone->outgoing & 1];
 		p->local->phone[phone->outgoing & 1] = n;
 		return 0;
diff --git a/drivers/kvm/kvm_main.c b/drivers/kvm/kvm_main.c
index 07ae280e8fe5..47c10b8f89b3 100644
--- a/drivers/kvm/kvm_main.c
+++ b/drivers/kvm/kvm_main.c
@@ -1188,8 +1188,7 @@ int emulate_invlpg(struct kvm_vcpu *vcpu, gva_t address)
 
 int emulate_clts(struct kvm_vcpu *vcpu)
 {
-	vcpu->cr0 &= ~X86_CR0_TS;
-	kvm_x86_ops->set_cr0(vcpu, vcpu->cr0);
+	kvm_x86_ops->set_cr0(vcpu, vcpu->cr0 & ~X86_CR0_TS);
 	return X86EMUL_CONTINUE;
 }
 
diff --git a/drivers/kvm/svm.c b/drivers/kvm/svm.c
index 7a6eead63a6b..4e04e49a2f1c 100644
--- a/drivers/kvm/svm.c
+++ b/drivers/kvm/svm.c
@@ -663,6 +663,7 @@ static void svm_vcpu_put(struct kvm_vcpu *vcpu)
 		wrmsrl(host_save_user_msrs[i], svm->host_user_msrs[i]);
 
 	rdtscll(vcpu->host_tsc);
+	kvm_put_guest_fpu(vcpu);
 }
 
 static void svm_vcpu_decache(struct kvm_vcpu *vcpu)
diff --git a/drivers/kvm/x86_emulate.c b/drivers/kvm/x86_emulate.c
index 33b181451557..bd46de6bf891 100644
--- a/drivers/kvm/x86_emulate.c
+++ b/drivers/kvm/x86_emulate.c
@@ -448,8 +448,7 @@ struct operand {
 
 #define JMP_REL(rel) 							\
 	do {								\
-		_eip += (int)(rel);					\
-		_eip = ((op_bytes == 2) ? (uint16_t)_eip : (uint32_t)_eip); \
+		register_address_increment(_eip, rel);			\
 	} while (0)
 
 /*
@@ -1147,7 +1146,7 @@ done_prefixes:
 			}
 			register_address_increment(_regs[VCPU_REGS_RSP],
 						   -dst.bytes);
-			if ((rc = ops->write_std(
+			if ((rc = ops->write_emulated(
 				     register_address(ctxt->ss_base,
 						      _regs[VCPU_REGS_RSP]),
 				     &dst.val, dst.bytes, ctxt->vcpu)) != 0)
@@ -1359,6 +1358,7 @@ special_insn:
 		}
 		src.val = (unsigned long) _eip;
 		JMP_REL(rel);
+		op_bytes = ad_bytes;
 		goto push;
 	}
 	case 0xe9: /* jmp rel */
diff --git a/drivers/lguest/lguest_device.c b/drivers/lguest/lguest_device.c
index 66f38722253a..e2eec38c83c2 100644
--- a/drivers/lguest/lguest_device.c
+++ b/drivers/lguest/lguest_device.c
@@ -247,6 +247,8 @@ static void lg_del_vq(struct virtqueue *vq)
 {
 	struct lguest_vq_info *lvq = vq->priv;
 
+	/* Release the interrupt */
+	free_irq(lvq->config.irq, vq);
 	/* Tell virtio_ring.c to free the virtqueue. */
 	vring_del_virtqueue(vq);
 	/* Unmap the pages containing the ring. */
diff --git a/drivers/mfd/sm501.c b/drivers/mfd/sm501.c
index 8135e4c3bf47..afd82966f9a0 100644
--- a/drivers/mfd/sm501.c
+++ b/drivers/mfd/sm501.c
@@ -156,7 +156,7 @@ static void sm501_dump_clk(struct sm501_devdata *sm)
 
 	dev_dbg(sm->dev, "PM0[%c]: "
 		 "P2 %ld.%ld MHz (%ld), V2 %ld.%ld (%ld), "
-x		 "M %ld.%ld (%ld), MX1 %ld.%ld (%ld)\n",
+		 "M %ld.%ld (%ld), MX1 %ld.%ld (%ld)\n",
 		 (pmc & 3 ) == 0 ? '*' : '-',
 		 fmt_freq(decode_div(pll2, pm0, 24, 1<<29, 31, px_div)),
 		 fmt_freq(decode_div(pll2, pm0, 16, 1<<20, 15, misc_div)),
diff --git a/drivers/misc/sony-laptop.c b/drivers/misc/sony-laptop.c
index bb13858f60a1..b0f68031b49d 100644
--- a/drivers/misc/sony-laptop.c
+++ b/drivers/misc/sony-laptop.c
@@ -338,7 +338,7 @@ static void sony_laptop_report_input_event(u8 event)
 		dprintk("unknown input event %.2x\n", event);
 }
 
-static int sony_laptop_setup_input(void)
+static int sony_laptop_setup_input(struct acpi_device *acpi_device)
 {
 	struct input_dev *jog_dev;
 	struct input_dev *key_dev;
@@ -379,6 +379,7 @@ static int sony_laptop_setup_input(void)
 	key_dev->name = "Sony Vaio Keys";
 	key_dev->id.bustype = BUS_ISA;
 	key_dev->id.vendor = PCI_VENDOR_ID_SONY;
+	key_dev->dev.parent = &acpi_device->dev;
 
 	/* Initialize the Input Drivers: special keys */
 	set_bit(EV_KEY, key_dev->evbit);
@@ -410,6 +411,7 @@ static int sony_laptop_setup_input(void)
 	jog_dev->name = "Sony Vaio Jogdial";
 	jog_dev->id.bustype = BUS_ISA;
 	jog_dev->id.vendor = PCI_VENDOR_ID_SONY;
+	key_dev->dev.parent = &acpi_device->dev;
 
 	jog_dev->evbit[0] = BIT_MASK(EV_KEY) | BIT_MASK(EV_REL);
 	jog_dev->keybit[BIT_WORD(BTN_MOUSE)] = BIT_MASK(BTN_MIDDLE);
@@ -1006,7 +1008,7 @@ static int sony_nc_add(struct acpi_device *device)
 	}
 
 	/* setup input devices and helper fifo */
-	result = sony_laptop_setup_input();
+	result = sony_laptop_setup_input(device);
 	if (result) {
 		printk(KERN_ERR DRV_PFX
 				"Unabe to create input devices.\n");
@@ -1034,7 +1036,7 @@ static int sony_nc_add(struct acpi_device *device)
 			sony_backlight_device->props.brightness =
 			    sony_backlight_get_brightness
 			    (sony_backlight_device);
-			sony_backlight_device->props.max_brightness = 
+			sony_backlight_device->props.max_brightness =
 			    SONY_MAX_BRIGHTNESS - 1;
 		}
 
@@ -2453,7 +2455,7 @@ static int sony_pic_add(struct acpi_device *device)
 	}
 
 	/* setup input devices and helper fifo */
-	result = sony_laptop_setup_input();
+	result = sony_laptop_setup_input(device);
 	if (result) {
 		printk(KERN_ERR DRV_PFX
 				"Unabe to create input devices.\n");
diff --git a/drivers/misc/thinkpad_acpi.c b/drivers/misc/thinkpad_acpi.c
index e953276664a0..ab23a3221585 100644
--- a/drivers/misc/thinkpad_acpi.c
+++ b/drivers/misc/thinkpad_acpi.c
@@ -21,7 +21,7 @@
  *  02110-1301, USA.
  */
 
-#define IBM_VERSION "0.16"
+#define IBM_VERSION "0.17"
 #define TPACPI_SYSFS_VERSION 0x020000
 
 /*
@@ -964,15 +964,15 @@ static int __init hotkey_init(struct ibm_init_struct *iibm)
 		KEY_UNKNOWN,	/* 0x0C: FN+BACKSPACE */
 		KEY_UNKNOWN,	/* 0x0D: FN+INSERT */
 		KEY_UNKNOWN,	/* 0x0E: FN+DELETE */
-		KEY_BRIGHTNESSUP,	/* 0x0F: FN+HOME (brightness up) */
+		KEY_RESERVED,	/* 0x0F: FN+HOME (brightness up) */
 		/* Scan codes 0x10 to 0x1F: Extended ACPI HKEY hot keys */
-		KEY_BRIGHTNESSDOWN,	/* 0x10: FN+END (brightness down) */
+		KEY_RESERVED,	/* 0x10: FN+END (brightness down) */
 		KEY_RESERVED,	/* 0x11: FN+PGUP (thinklight toggle) */
 		KEY_UNKNOWN,	/* 0x12: FN+PGDOWN */
 		KEY_ZOOM,	/* 0x13: FN+SPACE (zoom) */
-		KEY_VOLUMEUP,	/* 0x14: VOLUME UP */
-		KEY_VOLUMEDOWN,	/* 0x15: VOLUME DOWN */
-		KEY_MUTE,	/* 0x16: MUTE */
+		KEY_RESERVED,	/* 0x14: VOLUME UP */
+		KEY_RESERVED,	/* 0x15: VOLUME DOWN */
+		KEY_RESERVED,	/* 0x16: MUTE */
 		KEY_VENDOR,	/* 0x17: Thinkpad/AccessIBM/Lenovo */
 		/* (assignments unknown, please report if found) */
 		KEY_UNKNOWN, KEY_UNKNOWN, KEY_UNKNOWN, KEY_UNKNOWN,
@@ -993,9 +993,9 @@ static int __init hotkey_init(struct ibm_init_struct *iibm)
 		KEY_RESERVED,	/* 0x11: FN+PGUP (thinklight toggle) */
 		KEY_UNKNOWN,	/* 0x12: FN+PGDOWN */
 		KEY_ZOOM,	/* 0x13: FN+SPACE (zoom) */
-		KEY_VOLUMEUP,	/* 0x14: VOLUME UP */
-		KEY_VOLUMEDOWN,	/* 0x15: VOLUME DOWN */
-		KEY_MUTE,	/* 0x16: MUTE */
+		KEY_RESERVED,	/* 0x14: VOLUME UP */
+		KEY_RESERVED,	/* 0x15: VOLUME DOWN */
+		KEY_RESERVED,	/* 0x16: MUTE */
 		KEY_VENDOR,	/* 0x17: Thinkpad/AccessIBM/Lenovo */
 		/* (assignments unknown, please report if found) */
 		KEY_UNKNOWN, KEY_UNKNOWN, KEY_UNKNOWN, KEY_UNKNOWN,
@@ -1342,9 +1342,8 @@ static int hotkey_read(char *p)
 		return len;
 	}
 
-	res = mutex_lock_interruptible(&hotkey_mutex);
-	if (res < 0)
-		return res;
+	if (mutex_lock_interruptible(&hotkey_mutex))
+		return -ERESTARTSYS;
 	res = hotkey_get(&status, &mask);
 	mutex_unlock(&hotkey_mutex);
 	if (res)
@@ -1373,9 +1372,8 @@ static int hotkey_write(char *buf)
 	if (!tp_features.hotkey)
 		return -ENODEV;
 
-	res = mutex_lock_interruptible(&hotkey_mutex);
-	if (res < 0)
-		return res;
+	if (mutex_lock_interruptible(&hotkey_mutex))
+		return -ERESTARTSYS;
 
 	res = hotkey_get(&status, &mask);
 	if (res)
@@ -3114,6 +3112,99 @@ static struct backlight_ops ibm_backlight_data = {
 
 static struct mutex brightness_mutex;
 
+static int __init tpacpi_query_bcll_levels(acpi_handle handle)
+{
+	struct acpi_buffer buffer = { ACPI_ALLOCATE_BUFFER, NULL };
+	union acpi_object *obj;
+	int rc;
+
+	if (ACPI_SUCCESS(acpi_evaluate_object(handle, NULL, NULL, &buffer))) {
+		obj = (union acpi_object *)buffer.pointer;
+		if (!obj || (obj->type != ACPI_TYPE_PACKAGE)) {
+			printk(IBM_ERR "Unknown BCLL data, "
+			       "please report this to %s\n", IBM_MAIL);
+			rc = 0;
+		} else {
+			rc = obj->package.count;
+		}
+	} else {
+		return 0;
+	}
+
+	kfree(buffer.pointer);
+	return rc;
+}
+
+static acpi_status __init brightness_find_bcll(acpi_handle handle, u32 lvl,
+					void *context, void **rv)
+{
+	char name[ACPI_PATH_SEGMENT_LENGTH];
+	struct acpi_buffer buffer = { sizeof(name), &name };
+
+	if (ACPI_SUCCESS(acpi_get_name(handle, ACPI_SINGLE_NAME, &buffer)) &&
+	    !strncmp("BCLL", name, sizeof(name) - 1)) {
+		if (tpacpi_query_bcll_levels(handle) == 16) {
+			*rv = handle;
+			return AE_CTRL_TERMINATE;
+		} else {
+			return AE_OK;
+		}
+	} else {
+		return AE_OK;
+	}
+}
+
+static int __init brightness_check_levels(void)
+{
+	int status;
+	void *found_node = NULL;
+
+	if (!vid_handle) {
+		IBM_ACPIHANDLE_INIT(vid);
+	}
+	if (!vid_handle)
+		return 0;
+
+	/* Search for a BCLL package with 16 levels */
+	status = acpi_walk_namespace(ACPI_TYPE_PACKAGE, vid_handle, 3,
+					brightness_find_bcll, NULL, &found_node);
+
+	return (ACPI_SUCCESS(status) && found_node != NULL);
+}
+
+static acpi_status __init brightness_find_bcl(acpi_handle handle, u32 lvl,
+					void *context, void **rv)
+{
+	char name[ACPI_PATH_SEGMENT_LENGTH];
+	struct acpi_buffer buffer = { sizeof(name), &name };
+
+	if (ACPI_SUCCESS(acpi_get_name(handle, ACPI_SINGLE_NAME, &buffer)) &&
+	    !strncmp("_BCL", name, sizeof(name) - 1)) {
+		*rv = handle;
+		return AE_CTRL_TERMINATE;
+	} else {
+		return AE_OK;
+	}
+}
+
+static int __init brightness_check_std_acpi_support(void)
+{
+	int status;
+	void *found_node = NULL;
+
+	if (!vid_handle) {
+		IBM_ACPIHANDLE_INIT(vid);
+	}
+	if (!vid_handle)
+		return 0;
+
+	/* Search for a _BCL method, but don't execute it */
+	status = acpi_walk_namespace(ACPI_TYPE_METHOD, vid_handle, 3,
+	                             brightness_find_bcl, NULL, &found_node);
+
+	return (ACPI_SUCCESS(status) && found_node != NULL);
+}
+
 static int __init brightness_init(struct ibm_init_struct *iibm)
 {
 	int b;
@@ -3122,6 +3213,18 @@ static int __init brightness_init(struct ibm_init_struct *iibm)
 
 	mutex_init(&brightness_mutex);
 
+	if (!brightness_enable) {
+		dbg_printk(TPACPI_DBG_INIT,
+		           "brightness support disabled by module parameter\n");
+		return 1;
+	} else if (brightness_enable > 1) {
+		if (brightness_check_std_acpi_support()) {
+			printk(IBM_NOTICE
+			       "standard ACPI backlight interface available, not loading native one...\n");
+			return 1;
+		}
+	}
+
 	if (!brightness_mode) {
 		if (thinkpad_id.vendor == PCI_VENDOR_ID_LENOVO)
 			brightness_mode = 2;
@@ -3135,10 +3238,17 @@ static int __init brightness_init(struct ibm_init_struct *iibm)
 	if (brightness_mode > 3)
 		return -EINVAL;
 
+	tp_features.bright_16levels =
+			thinkpad_id.vendor == PCI_VENDOR_ID_LENOVO &&
+			brightness_check_levels();
+
 	b = brightness_get(NULL);
 	if (b < 0)
 		return 1;
 
+	if (tp_features.bright_16levels)
+		printk(IBM_INFO "detected a 16-level brightness capable ThinkPad\n");
+
 	ibm_backlight_device = backlight_device_register(
 					TPACPI_BACKLIGHT_DEV_NAME, NULL, NULL,
 					&ibm_backlight_data);
@@ -3148,7 +3258,8 @@ static int __init brightness_init(struct ibm_init_struct *iibm)
 	}
 	vdbg_printk(TPACPI_DBG_INIT, "brightness is supported\n");
 
-	ibm_backlight_device->props.max_brightness = 7;
+	ibm_backlight_device->props.max_brightness =
+				(tp_features.bright_16levels)? 15 : 7;
 	ibm_backlight_device->props.brightness = b;
 	backlight_update_status(ibm_backlight_device);
 
@@ -3167,6 +3278,8 @@ static void brightness_exit(void)
 
 static int brightness_update_status(struct backlight_device *bd)
 {
+	/* it is the backlight class's job (caller) to handle
+	 * EINTR and other errors properly */
 	return brightness_set(
 		(bd->props.fb_blank == FB_BLANK_UNBLANK &&
 		 bd->props.power == FB_BLANK_UNBLANK) ?
@@ -3184,13 +3297,14 @@ static int brightness_get(struct backlight_device *bd)
 	if (brightness_mode & 1) {
 		if (!acpi_ec_read(brightness_offset, &lec))
 			return -EIO;
-		lec &= 7;
+		lec &= (tp_features.bright_16levels)? 0x0f : 0x07;
 		level = lec;
 	};
 	if (brightness_mode & 2) {
 		lcmos = (nvram_read_byte(TP_NVRAM_ADDR_BRIGHTNESS)
 			 & TP_NVRAM_MASK_LEVEL_BRIGHTNESS)
 			>> TP_NVRAM_POS_LEVEL_BRIGHTNESS;
+		lcmos &= (tp_features.bright_16levels)? 0x0f : 0x07;
 		level = lcmos;
 	}
 
@@ -3206,12 +3320,13 @@ static int brightness_get(struct backlight_device *bd)
 	return level;
 }
 
+/* May return EINTR which can always be mapped to ERESTARTSYS */
 static int brightness_set(int value)
 {
 	int cmos_cmd, inc, i, res;
 	int current_value;
 
-	if (value > 7)
+	if (value > ((tp_features.bright_16levels)? 15 : 7))
 		return -EINVAL;
 
 	res = mutex_lock_interruptible(&brightness_mutex);
@@ -3227,7 +3342,7 @@ static int brightness_set(int value)
 	cmos_cmd = value > current_value ?
 			TP_CMOS_BRIGHTNESS_UP :
 			TP_CMOS_BRIGHTNESS_DOWN;
-	inc = value > current_value ? 1 : -1;
+	inc = (value > current_value)? 1 : -1;
 
 	res = 0;
 	for (i = current_value; i != value; i += inc) {
@@ -3256,10 +3371,11 @@ static int brightness_read(char *p)
 	if ((level = brightness_get(NULL)) < 0) {
 		len += sprintf(p + len, "level:\t\tunreadable\n");
 	} else {
-		len += sprintf(p + len, "level:\t\t%d\n", level & 0x7);
+		len += sprintf(p + len, "level:\t\t%d\n", level);
 		len += sprintf(p + len, "commands:\tup, down\n");
 		len += sprintf(p + len, "commands:\tlevel <level>"
-			       " (<level> is 0-7)\n");
+			       " (<level> is 0-%d)\n",
+			       (tp_features.bright_16levels) ? 15 : 7);
 	}
 
 	return len;
@@ -3268,28 +3384,34 @@ static int brightness_read(char *p)
 static int brightness_write(char *buf)
 {
 	int level;
-	int new_level;
+	int rc;
 	char *cmd;
+	int max_level = (tp_features.bright_16levels) ? 15 : 7;
 
-	while ((cmd = next_cmd(&buf))) {
-		if ((level = brightness_get(NULL)) < 0)
-			return level;
-		level &= 7;
+	level = brightness_get(NULL);
+	if (level < 0)
+		return level;
 
+	while ((cmd = next_cmd(&buf))) {
 		if (strlencmp(cmd, "up") == 0) {
-			new_level = level == 7 ? 7 : level + 1;
+			if (level < max_level)
+				level++;
 		} else if (strlencmp(cmd, "down") == 0) {
-			new_level = level == 0 ? 0 : level - 1;
-		} else if (sscanf(cmd, "level %d", &new_level) == 1 &&
-			   new_level >= 0 && new_level <= 7) {
-			/* new_level set */
+			if (level > 0)
+				level--;
+		} else if (sscanf(cmd, "level %d", &level) == 1 &&
+			   level >= 0 && level <= max_level) {
+			/* new level set */
 		} else
 			return -EINVAL;
-
-		brightness_set(new_level);
 	}
 
-	return 0;
+	/*
+	 * Now we know what the final level should be, so we try to set it.
+	 * Doing it this way makes the syscall restartable in case of EINTR
+	 */
+	rc = brightness_set(level);
+	return (rc == -EINTR)? ERESTARTSYS : rc;
 }
 
 static struct ibm_struct brightness_driver_data = {
@@ -3652,9 +3774,8 @@ static ssize_t fan_pwm1_store(struct device *dev,
 	/* scale down from 0-255 to 0-7 */
 	newlevel = (s >> 5) & 0x07;
 
-	rc = mutex_lock_interruptible(&fan_mutex);
-	if (rc < 0)
-		return rc;
+	if (mutex_lock_interruptible(&fan_mutex))
+		return -ERESTARTSYS;
 
 	rc = fan_get_status(&status);
 	if (!rc && (status &
@@ -3904,9 +4025,8 @@ static int fan_get_status_safe(u8 *status)
 	int rc;
 	u8 s;
 
-	rc = mutex_lock_interruptible(&fan_mutex);
-	if (rc < 0)
-		return rc;
+	if (mutex_lock_interruptible(&fan_mutex))
+		return -ERESTARTSYS;
 	rc = fan_get_status(&s);
 	if (!rc)
 		fan_update_desired_level(s);
@@ -4040,9 +4160,8 @@ static int fan_set_level_safe(int level)
 	if (!fan_control_allowed)
 		return -EPERM;
 
-	rc = mutex_lock_interruptible(&fan_mutex);
-	if (rc < 0)
-		return rc;
+	if (mutex_lock_interruptible(&fan_mutex))
+		return -ERESTARTSYS;
 
 	if (level == TPACPI_FAN_LAST_LEVEL)
 		level = fan_control_desired_level;
@@ -4063,9 +4182,8 @@ static int fan_set_enable(void)
 	if (!fan_control_allowed)
 		return -EPERM;
 
-	rc = mutex_lock_interruptible(&fan_mutex);
-	if (rc < 0)
-		return rc;
+	if (mutex_lock_interruptible(&fan_mutex))
+		return -ERESTARTSYS;
 
 	switch (fan_control_access_mode) {
 	case TPACPI_FAN_WR_ACPI_FANS:
@@ -4119,9 +4237,8 @@ static int fan_set_disable(void)
 	if (!fan_control_allowed)
 		return -EPERM;
 
-	rc = mutex_lock_interruptible(&fan_mutex);
-	if (rc < 0)
-		return rc;
+	if (mutex_lock_interruptible(&fan_mutex))
+		return -ERESTARTSYS;
 
 	rc = 0;
 	switch (fan_control_access_mode) {
@@ -4158,9 +4275,8 @@ static int fan_set_speed(int speed)
 	if (!fan_control_allowed)
 		return -EPERM;
 
-	rc = mutex_lock_interruptible(&fan_mutex);
-	if (rc < 0)
-		return rc;
+	if (mutex_lock_interruptible(&fan_mutex))
+		return -ERESTARTSYS;
 
 	rc = 0;
 	switch (fan_control_access_mode) {
@@ -4701,9 +4817,15 @@ static int __init set_ibm_param(const char *val, struct kernel_param *kp)
 	unsigned int i;
 	struct ibm_struct *ibm;
 
+	if (!kp || !kp->name || !val)
+		return -EINVAL;
+
 	for (i = 0; i < ARRAY_SIZE(ibms_init); i++) {
 		ibm = ibms_init[i].data;
-		BUG_ON(ibm == NULL);
+		WARN_ON(ibm == NULL);
+
+		if (!ibm || !ibm->name)
+			continue;
 
 		if (strcmp(ibm->name, kp->name) == 0 && ibm->write) {
 			if (strlen(val) > sizeof(ibms_init[i].param) - 2)
@@ -4732,6 +4854,9 @@ module_param_named(fan_control, fan_control_allowed, bool, 0);
 static int brightness_mode;
 module_param_named(brightness_mode, brightness_mode, int, 0);
 
+static unsigned int brightness_enable = 2; /* 2 = auto, 0 = no, 1 = yes */
+module_param(brightness_enable, uint, 0);
+
 static unsigned int hotkey_report_mode;
 module_param(hotkey_report_mode, uint, 0);
 
diff --git a/drivers/misc/thinkpad_acpi.h b/drivers/misc/thinkpad_acpi.h
index 3abcc8120634..8fba2bbe345e 100644
--- a/drivers/misc/thinkpad_acpi.h
+++ b/drivers/misc/thinkpad_acpi.h
@@ -84,7 +84,7 @@
 
 /* ThinkPad CMOS NVRAM constants */
 #define TP_NVRAM_ADDR_BRIGHTNESS       0x5e
-#define TP_NVRAM_MASK_LEVEL_BRIGHTNESS 0x07
+#define TP_NVRAM_MASK_LEVEL_BRIGHTNESS 0x0f
 #define TP_NVRAM_POS_LEVEL_BRIGHTNESS 0
 
 #define onoff(status,bit) ((status) & (1 << (bit)) ? "on" : "off")
@@ -246,6 +246,7 @@ static struct {
 	u32 hotkey_wlsw:1;
 	u32 light:1;
 	u32 light_status:1;
+	u32 bright_16levels:1;
 	u32 wan:1;
 	u32 fan_ctrl_status_undef:1;
 	u32 input_device_registered:1;
@@ -338,6 +339,7 @@ static int bluetooth_write(char *buf);
 static struct backlight_device *ibm_backlight_device;
 static int brightness_offset = 0x31;
 static int brightness_mode;
+static unsigned int brightness_enable;	/* 0 = no, 1 = yes, 2 = auto */
 
 static int brightness_init(struct ibm_init_struct *iibm);
 static void brightness_exit(void);
diff --git a/drivers/mmc/card/block.c b/drivers/mmc/card/block.c
index e38d5a3b2a89..aeb32a93f6a0 100644
--- a/drivers/mmc/card/block.c
+++ b/drivers/mmc/card/block.c
@@ -44,6 +44,9 @@
  * max 8 partitions per card
  */
 #define MMC_SHIFT	3
+#define MMC_NUM_MINORS	(256 >> MMC_SHIFT)
+
+static unsigned long dev_use[MMC_NUM_MINORS/(8*sizeof(unsigned long))];
 
 /*
  * There is one mmc_blk_data per slot.
@@ -80,6 +83,9 @@ static void mmc_blk_put(struct mmc_blk_data *md)
 	mutex_lock(&open_lock);
 	md->usage--;
 	if (md->usage == 0) {
+		int devidx = md->disk->first_minor >> MMC_SHIFT;
+		__clear_bit(devidx, dev_use);
+
 		put_disk(md->disk);
 		kfree(md);
 	}
@@ -321,7 +327,13 @@ static int mmc_blk_issue_rq(struct mmc_queue *mq, struct request *req)
 					       req->rq_disk->disk_name, err);
 					goto cmd_err;
 				}
-			} while (!(cmd.resp[0] & R1_READY_FOR_DATA));
+				/*
+				 * Some cards mishandle the status bits,
+				 * so make sure to check both the busy
+				 * indication and the card state.
+				 */
+			} while (!(cmd.resp[0] & R1_READY_FOR_DATA) ||
+				(R1_CURRENT_STATE(cmd.resp[0]) == 7));
 
 #if 0
 			if (cmd.resp[0] & ~0x00000900)
@@ -400,9 +412,6 @@ static int mmc_blk_issue_rq(struct mmc_queue *mq, struct request *req)
 	return 0;
 }
 
-#define MMC_NUM_MINORS	(256 >> MMC_SHIFT)
-
-static unsigned long dev_use[MMC_NUM_MINORS/(8*sizeof(unsigned long))];
 
 static inline int mmc_blk_readonly(struct mmc_card *card)
 {
@@ -568,17 +577,12 @@ static void mmc_blk_remove(struct mmc_card *card)
 	struct mmc_blk_data *md = mmc_get_drvdata(card);
 
 	if (md) {
-		int devidx;
-
 		/* Stop new requests from getting into the queue */
 		del_gendisk(md->disk);
 
 		/* Then flush out any already in there */
 		mmc_cleanup_queue(&md->queue);
 
-		devidx = md->disk->first_minor >> MMC_SHIFT;
-		__clear_bit(devidx, dev_use);
-
 		mmc_blk_put(md);
 	}
 	mmc_set_drvdata(card, NULL);
diff --git a/drivers/mmc/card/queue.c b/drivers/mmc/card/queue.c
index 1b9c9b6da5b7..30cd13b13ac3 100644
--- a/drivers/mmc/card/queue.c
+++ b/drivers/mmc/card/queue.c
@@ -180,12 +180,13 @@ int mmc_init_queue(struct mmc_queue *mq, struct mmc_card *card, spinlock_t *lock
 		blk_queue_max_hw_segments(mq->queue, host->max_hw_segs);
 		blk_queue_max_segment_size(mq->queue, host->max_seg_size);
 
-		mq->sg = kzalloc(sizeof(struct scatterlist) *
+		mq->sg = kmalloc(sizeof(struct scatterlist) *
 			host->max_phys_segs, GFP_KERNEL);
 		if (!mq->sg) {
 			ret = -ENOMEM;
 			goto cleanup_queue;
 		}
+		sg_init_table(mq->sg, host->max_phys_segs);
 	}
 
 	init_MUTEX(&mq->thread_sem);
diff --git a/drivers/mmc/card/sdio_uart.c b/drivers/mmc/card/sdio_uart.c
index d552de683110..eeea84c309e6 100644
--- a/drivers/mmc/card/sdio_uart.c
+++ b/drivers/mmc/card/sdio_uart.c
@@ -386,7 +386,7 @@ static void sdio_uart_stop_rx(struct sdio_uart_port *port)
 	sdio_out(port, UART_IER, port->ier);
 }
 
-static void sdio_uart_receive_chars(struct sdio_uart_port *port, int *status)
+static void sdio_uart_receive_chars(struct sdio_uart_port *port, unsigned int *status)
 {
 	struct tty_struct *tty = port->tty;
 	unsigned int ch, flag;
diff --git a/drivers/mmc/host/tifm_sd.c b/drivers/mmc/host/tifm_sd.c
index c11a3d256051..20d5c7bd940a 100644
--- a/drivers/mmc/host/tifm_sd.c
+++ b/drivers/mmc/host/tifm_sd.c
@@ -16,7 +16,6 @@
 #include <linux/mmc/host.h>
 #include <linux/highmem.h>
 #include <linux/scatterlist.h>
-#include <linux/log2.h>
 #include <asm/io.h>
 
 #define DRIVER_NAME "tifm_sd"
@@ -638,17 +637,15 @@ static void tifm_sd_request(struct mmc_host *mmc, struct mmc_request *mrq)
 		goto err_out;
 	}
 
-	if (mrq->data && !is_power_of_2(mrq->data->blksz)) {
-		printk(KERN_ERR "%s: Unsupported block size (%d bytes)\n",
-			sock->dev.bus_id, mrq->data->blksz);
-		mrq->cmd->error = -EINVAL;
-		goto err_out;
-	}
-
 	host->cmd_flags = 0;
 	host->block_pos = 0;
 	host->sg_pos = 0;
 
+	if (mrq->data && !is_power_of_2(mrq->data->blksz))
+		host->no_dma = 1;
+	else
+		host->no_dma = no_dma ? 1 : 0;
+
 	if (r_data) {
 		tifm_sd_set_data_timeout(host, r_data);
 
@@ -676,7 +673,7 @@ static void tifm_sd_request(struct mmc_host *mmc, struct mmc_request *mrq)
 					    : PCI_DMA_FROMDEVICE)) {
 				printk(KERN_ERR "%s : scatterlist map failed\n",
 				       sock->dev.bus_id);
-				spin_unlock_irqrestore(&sock->lock, flags);
+				mrq->cmd->error = -ENOMEM;
 				goto err_out;
 			}
 			host->sg_len = tifm_map_sg(sock, r_data->sg,
@@ -692,7 +689,7 @@ static void tifm_sd_request(struct mmc_host *mmc, struct mmc_request *mrq)
 					      r_data->flags & MMC_DATA_WRITE
 					      ? PCI_DMA_TODEVICE
 					      : PCI_DMA_FROMDEVICE);
-				spin_unlock_irqrestore(&sock->lock, flags);
+				mrq->cmd->error = -ENOMEM;
 				goto err_out;
 			}
 
@@ -966,7 +963,6 @@ static int tifm_sd_probe(struct tifm_dev *sock)
 		return -ENOMEM;
 
 	host = mmc_priv(mmc);
-	host->no_dma = no_dma;
 	tifm_set_drvdata(sock, mmc);
 	host->dev = sock;
 	host->timeout_jiffies = msecs_to_jiffies(1000);
diff --git a/drivers/net/bfin_mac.c b/drivers/net/bfin_mac.c
index f0f851693897..eb971755a3ff 100644
--- a/drivers/net/bfin_mac.c
+++ b/drivers/net/bfin_mac.c
@@ -924,7 +924,7 @@ static int __init bf537mac_probe(struct net_device *dev)
 	if (!is_valid_ether_addr(dev->dev_addr)) {
 		/* Grab the MAC from the board somehow - this is done in the
 		   arch/blackfin/mach-bf537/boards/eth_mac.c */
-		get_bf537_ether_addr(dev->dev_addr);
+		bfin_get_ether_addr(dev->dev_addr);
 	}
 
 	/* If still not valid, get a random one */
diff --git a/drivers/net/bfin_mac.h b/drivers/net/bfin_mac.h
index 3a107ad75381..5970ea7142cd 100644
--- a/drivers/net/bfin_mac.h
+++ b/drivers/net/bfin_mac.h
@@ -92,4 +92,4 @@ struct bf537mac_local {
 	struct mii_bus mii_bus;
 };
 
-extern void get_bf537_ether_addr(char *addr);
+extern void bfin_get_ether_addr(char *addr);
diff --git a/drivers/net/mlx4/qp.c b/drivers/net/mlx4/qp.c
index 42b47639c81c..fa24e6597591 100644
--- a/drivers/net/mlx4/qp.c
+++ b/drivers/net/mlx4/qp.c
@@ -113,7 +113,7 @@ int mlx4_qp_modify(struct mlx4_dev *dev, struct mlx4_mtt *mtt,
 	struct mlx4_cmd_mailbox *mailbox;
 	int ret = 0;
 
-	if (cur_state >= MLX4_QP_NUM_STATE || cur_state >= MLX4_QP_NUM_STATE ||
+	if (cur_state >= MLX4_QP_NUM_STATE || new_state >= MLX4_QP_NUM_STATE ||
 	    !op[cur_state][new_state])
 		return -EINVAL;
 
diff --git a/drivers/net/plip.c b/drivers/net/plip.c
index 5071fcd8a0bd..57c98669984d 100644
--- a/drivers/net/plip.c
+++ b/drivers/net/plip.c
@@ -663,7 +663,7 @@ plip_receive_packet(struct net_device *dev, struct net_local *nl,
 	case PLIP_PK_DONE:
 		/* Inform the upper layer for the arrival of a packet. */
 		rcv->skb->protocol=plip_type_trans(rcv->skb, dev);
-		netif_rx(rcv->skb);
+		netif_rx_ni(rcv->skb);
 		dev->last_rx = jiffies;
 		dev->stats.rx_bytes += rcv->length.h;
 		dev->stats.rx_packets++;
@@ -1269,7 +1269,7 @@ static void plip_attach (struct parport *port)
 
 		nl = netdev_priv(dev);
 		nl->dev = dev;
-		nl->pardev = parport_register_device(port, name, plip_preempt,
+		nl->pardev = parport_register_device(port, dev->name, plip_preempt,
 						 plip_wakeup, plip_interrupt,
 						 0, dev);
 
diff --git a/drivers/net/virtio_net.c b/drivers/net/virtio_net.c
index a75be57fb209..5413dbf3d4ac 100644
--- a/drivers/net/virtio_net.c
+++ b/drivers/net/virtio_net.c
@@ -198,8 +198,8 @@ again:
 	if (vi->num < vi->max / 2)
 		try_fill_recv(vi);
 
-	/* All done? */
-	if (!skb) {
+	/* Out of packets? */
+	if (received < budget) {
 		netif_rx_complete(vi->dev, napi);
 		if (unlikely(!vi->rvq->vq_ops->restart(vi->rvq))
 		    && netif_rx_reschedule(vi->dev, napi))
@@ -404,8 +404,12 @@ free:
 
 static void virtnet_remove(struct virtio_device *vdev)
 {
-	unregister_netdev(vdev->priv);
-	free_netdev(vdev->priv);
+	struct virtnet_info *vi = vdev->priv;
+
+	vdev->config->del_vq(vi->svq);
+	vdev->config->del_vq(vi->rvq);
+	unregister_netdev(vi->dev);
+	free_netdev(vi->dev);
 }
 
 static struct virtio_device_id id_table[] = {
diff --git a/drivers/net/wireless/rt2x00/rt2500usb.c b/drivers/net/wireless/rt2x00/rt2500usb.c
index 277a020b35e9..50775f9234cc 100644
--- a/drivers/net/wireless/rt2x00/rt2500usb.c
+++ b/drivers/net/wireless/rt2x00/rt2500usb.c
@@ -1032,7 +1032,7 @@ static void rt2500usb_write_tx_desc(struct rt2x00_dev *rt2x00dev,
 }
 
 static int rt2500usb_get_tx_data_len(struct rt2x00_dev *rt2x00dev,
-				     int maxpacket, struct sk_buff *skb)
+				     struct sk_buff *skb)
 {
 	int length;
 
@@ -1041,7 +1041,7 @@ static int rt2500usb_get_tx_data_len(struct rt2x00_dev *rt2x00dev,
 	 * but it must _not_ be a multiple of the USB packet size.
 	 */
 	length = roundup(skb->len, 2);
-	length += (2 * !(length % maxpacket));
+	length += (2 * !(length % rt2x00dev->usb_maxpacket));
 
 	return length;
 }
@@ -1643,7 +1643,6 @@ static int rt2500usb_beacon_update(struct ieee80211_hw *hw,
 	struct data_entry *beacon;
 	struct data_entry *guardian;
 	int pipe = usb_sndbulkpipe(usb_dev, 1);
-	int max_packet = usb_maxpacket(usb_dev, pipe, 1);
 	int length;
 
 	/*
@@ -1672,7 +1671,7 @@ static int rt2500usb_beacon_update(struct ieee80211_hw *hw,
 							 ring->desc_size),
 				skb->len - ring->desc_size, control);
 
-	length = rt2500usb_get_tx_data_len(rt2x00dev, max_packet, skb);
+	length = rt2500usb_get_tx_data_len(rt2x00dev, skb);
 
 	usb_fill_bulk_urb(beacon->priv, usb_dev, pipe,
 			  skb->data, length, rt2500usb_beacondone, beacon);
diff --git a/drivers/net/wireless/rt2x00/rt2x00.h b/drivers/net/wireless/rt2x00/rt2x00.h
index d1ad5251a77a..c8f16f161c28 100644
--- a/drivers/net/wireless/rt2x00/rt2x00.h
+++ b/drivers/net/wireless/rt2x00/rt2x00.h
@@ -418,7 +418,7 @@ struct rt2x00lib_ops {
 	int (*write_tx_data) (struct rt2x00_dev *rt2x00dev,
 			      struct data_ring *ring, struct sk_buff *skb,
 			      struct ieee80211_tx_control *control);
-	int (*get_tx_data_len) (struct rt2x00_dev *rt2x00dev, int maxpacket,
+	int (*get_tx_data_len) (struct rt2x00_dev *rt2x00dev,
 				struct sk_buff *skb);
 	void (*kick_tx_queue) (struct rt2x00_dev *rt2x00dev,
 			       unsigned int queue);
@@ -599,6 +599,11 @@ struct rt2x00_dev {
 	u32 *rf;
 
 	/*
+	 * USB Max frame size (for rt2500usb & rt73usb).
+	 */
+	u16 usb_maxpacket;
+
+	/*
 	 * Current TX power value.
 	 */
 	u16 tx_power;
diff --git a/drivers/net/wireless/rt2x00/rt2x00usb.c b/drivers/net/wireless/rt2x00/rt2x00usb.c
index 73cc726c4046..1f5675dd329f 100644
--- a/drivers/net/wireless/rt2x00/rt2x00usb.c
+++ b/drivers/net/wireless/rt2x00/rt2x00usb.c
@@ -159,7 +159,6 @@ int rt2x00usb_write_tx_data(struct rt2x00_dev *rt2x00dev,
 	    interface_to_usbdev(rt2x00dev_usb(rt2x00dev));
 	struct data_entry *entry = rt2x00_get_data_entry(ring);
 	int pipe = usb_sndbulkpipe(usb_dev, 1);
-	int max_packet = usb_maxpacket(usb_dev, pipe, 1);
 	u32 length;
 
 	if (rt2x00_ring_full(ring)) {
@@ -194,8 +193,7 @@ int rt2x00usb_write_tx_data(struct rt2x00_dev *rt2x00dev,
 	 * length of the data to usb_fill_bulk_urb. Pass the skb
 	 * to the driver to determine what the length should be.
 	 */
-	length = rt2x00dev->ops->lib->get_tx_data_len(rt2x00dev,
-						      max_packet, skb);
+	length = rt2x00dev->ops->lib->get_tx_data_len(rt2x00dev, skb);
 
 	/*
 	 * Initialize URB and send the frame to the device.
@@ -490,6 +488,11 @@ int rt2x00usb_probe(struct usb_interface *usb_intf,
 	rt2x00dev->ops = ops;
 	rt2x00dev->hw = hw;
 
+	rt2x00dev->usb_maxpacket =
+	    usb_maxpacket(usb_dev, usb_sndbulkpipe(usb_dev, 1), 1);
+	if (!rt2x00dev->usb_maxpacket)
+		rt2x00dev->usb_maxpacket = 1;
+
 	retval = rt2x00usb_alloc_reg(rt2x00dev);
 	if (retval)
 		goto exit_free_device;
diff --git a/drivers/net/wireless/rt2x00/rt73usb.c b/drivers/net/wireless/rt2x00/rt73usb.c
index dc640bf6b5eb..c0671c2e6e73 100644
--- a/drivers/net/wireless/rt2x00/rt73usb.c
+++ b/drivers/net/wireless/rt2x00/rt73usb.c
@@ -1251,7 +1251,7 @@ static void rt73usb_write_tx_desc(struct rt2x00_dev *rt2x00dev,
 }
 
 static int rt73usb_get_tx_data_len(struct rt2x00_dev *rt2x00dev,
-				   int maxpacket, struct sk_buff *skb)
+				   struct sk_buff *skb)
 {
 	int length;
 
@@ -1260,7 +1260,7 @@ static int rt73usb_get_tx_data_len(struct rt2x00_dev *rt2x00dev,
 	 * but it must _not_ be a multiple of the USB packet size.
 	 */
 	length = roundup(skb->len, 4);
-	length += (4 * !(length % maxpacket));
+	length += (4 * !(length % rt2x00dev->usb_maxpacket));
 
 	return length;
 }
diff --git a/drivers/pci/hotplug/acpiphp.h b/drivers/pci/hotplug/acpiphp.h
index f6cc0c5b5657..1ef417cca2db 100644
--- a/drivers/pci/hotplug/acpiphp.h
+++ b/drivers/pci/hotplug/acpiphp.h
@@ -66,7 +66,7 @@ struct slot {
 	char name[SLOT_NAME_SIZE];
 };
 
-/**
+/*
  * struct acpiphp_bridge - PCI bridge information
  *
  * for each bridge device in ACPI namespace
@@ -97,7 +97,7 @@ struct acpiphp_bridge {
 };
 
 
-/**
+/*
  * struct acpiphp_slot - PCI slot information
  *
  * PCI slot information for each *physical* PCI slot
@@ -118,7 +118,7 @@ struct acpiphp_slot {
 };
 
 
-/**
+/*
  * struct acpiphp_func - PCI function information
  *
  * PCI function information for each object in ACPI namespace
@@ -137,7 +137,7 @@ struct acpiphp_func {
 	u32		flags;		/* see below */
 };
 
-/**
+/*
  * struct acpiphp_attention_info - device specific attention registration
  *
  * ACPI has no generic method of setting/getting attention status
diff --git a/drivers/pci/hotplug/acpiphp_core.c b/drivers/pci/hotplug/acpiphp_core.c
index a0ca63adad5a..c8c263875c21 100644
--- a/drivers/pci/hotplug/acpiphp_core.c
+++ b/drivers/pci/hotplug/acpiphp_core.c
@@ -91,10 +91,10 @@ static struct hotplug_slot_ops acpi_hotplug_slot_ops = {
  * acpiphp_register_attention - set attention LED callback
  * @info: must be completely filled with LED callbacks
  *
- * Description: this is used to register a hardware specific ACPI
+ * Description: This is used to register a hardware specific ACPI
  * driver that manipulates the attention LED.  All the fields in
  * info must be set.
- **/
+ */
 int acpiphp_register_attention(struct acpiphp_attention_info *info)
 {
 	int retval = -EINVAL;
@@ -112,10 +112,10 @@ int acpiphp_register_attention(struct acpiphp_attention_info *info)
  * acpiphp_unregister_attention - unset attention LED callback
  * @info: must match the pointer used to register
  *
- * Description: this is used to un-register a hardware specific acpi
+ * Description: This is used to un-register a hardware specific acpi
  * driver that manipulates the attention LED.  The pointer to the 
  * info struct must be the same as the one used to set it.
- **/
+ */
 int acpiphp_unregister_attention(struct acpiphp_attention_info *info)
 {
 	int retval = -EINVAL;
@@ -133,7 +133,6 @@ int acpiphp_unregister_attention(struct acpiphp_attention_info *info)
  * @hotplug_slot: slot to enable
  *
  * Actual tasks are done in acpiphp_enable_slot()
- *
  */
 static int enable_slot(struct hotplug_slot *hotplug_slot)
 {
@@ -151,7 +150,6 @@ static int enable_slot(struct hotplug_slot *hotplug_slot)
  * @hotplug_slot: slot to disable
  *
  * Actual tasks are done in acpiphp_disable_slot()
- *
  */
 static int disable_slot(struct hotplug_slot *hotplug_slot)
 {
@@ -168,15 +166,15 @@ static int disable_slot(struct hotplug_slot *hotplug_slot)
 }
 
 
- /**
-  * set_attention_status - set attention LED
+/**
+ * set_attention_status - set attention LED
  * @hotplug_slot: slot to set attention LED on
  * @status: value to set attention LED to (0 or 1)
  *
  * attention status LED, so we use a callback that
  * was registered with us.  This allows hardware specific
  * ACPI implementations to blink the light for us.
- **/
+ */
  static int set_attention_status(struct hotplug_slot *hotplug_slot, u8 status)
  {
 	int retval = -ENODEV;
@@ -199,7 +197,6 @@ static int disable_slot(struct hotplug_slot *hotplug_slot)
  *
  * Some platforms may not implement _STA method properly.
  * In that case, the value returned may not be reliable.
- *
  */
 static int get_power_status(struct hotplug_slot *hotplug_slot, u8 *value)
 {
@@ -213,7 +210,7 @@ static int get_power_status(struct hotplug_slot *hotplug_slot, u8 *value)
 }
 
 
- /**
+/**
  * get_attention_status - get attention LED status
  * @hotplug_slot: slot to get status from
  * @value: returns with value of attention LED
@@ -221,8 +218,8 @@ static int get_power_status(struct hotplug_slot *hotplug_slot, u8 *value)
  * ACPI doesn't have known method to determine the state
  * of the attention status LED, so we use a callback that
  * was registered with us.  This allows hardware specific
- * ACPI implementations to determine its state
- **/
+ * ACPI implementations to determine its state.
+ */
 static int get_attention_status(struct hotplug_slot *hotplug_slot, u8 *value)
 {
 	int retval = -EINVAL;
@@ -244,8 +241,7 @@ static int get_attention_status(struct hotplug_slot *hotplug_slot, u8 *value)
  * @value: pointer to store status
  *
  * ACPI doesn't provide any formal means to access latch status.
- * Instead, we fake latch status from _STA
- *
+ * Instead, we fake latch status from _STA.
  */
 static int get_latch_status(struct hotplug_slot *hotplug_slot, u8 *value)
 {
@@ -265,8 +261,7 @@ static int get_latch_status(struct hotplug_slot *hotplug_slot, u8 *value)
  * @value: pointer to store status
  *
  * ACPI doesn't provide any formal means to access adapter status.
- * Instead, we fake adapter status from _STA
- *
+ * Instead, we fake adapter status from _STA.
  */
 static int get_adapter_status(struct hotplug_slot *hotplug_slot, u8 *value)
 {
diff --git a/drivers/pci/hotplug/acpiphp_glue.c b/drivers/pci/hotplug/acpiphp_glue.c
index 1e125b56c9a9..ff1b1c71291a 100644
--- a/drivers/pci/hotplug/acpiphp_glue.c
+++ b/drivers/pci/hotplug/acpiphp_glue.c
@@ -82,7 +82,6 @@ static void handle_hotplug_event_func(acpi_handle handle, u32 type, void *contex
  *  2. has _PS0 method
  *  3. has _PS3 method
  *  4. ..
- *
  */
 static int is_ejectable(acpi_handle handle)
 {
@@ -986,10 +985,8 @@ static int power_off_slot(struct acpiphp_slot *slot)
 
 
 /**
- * acpiphp_max_busnr - return the highest reserved bus number under
- * the given bus.
+ * acpiphp_max_busnr - return the highest reserved bus number under the given bus.
  * @bus: bus to start search with
- *
  */
 static unsigned char acpiphp_max_busnr(struct pci_bus *bus)
 {
@@ -1018,7 +1015,6 @@ static unsigned char acpiphp_max_busnr(struct pci_bus *bus)
 /**
  * acpiphp_bus_add - add a new bus to acpi subsystem
  * @func: acpiphp_func of the bridge
- *
  */
 static int acpiphp_bus_add(struct acpiphp_func *func)
 {
@@ -1063,7 +1059,6 @@ acpiphp_bus_add_out:
 /**
  * acpiphp_bus_trim - trim a bus from acpi subsystem
  * @handle: handle to acpi namespace
- *
  */
 static int acpiphp_bus_trim(acpi_handle handle)
 {
@@ -1089,7 +1084,6 @@ static int acpiphp_bus_trim(acpi_handle handle)
  *
  * This function should be called per *physical slot*,
  * not per each slot object in ACPI namespace.
- *
  */
 static int enable_device(struct acpiphp_slot *slot)
 {
@@ -1185,6 +1179,7 @@ static void disable_bridges(struct pci_bus *bus)
 
 /**
  * disable_device - disable a slot
+ * @slot: ACPI PHP slot
  */
 static int disable_device(struct acpiphp_slot *slot)
 {
@@ -1240,14 +1235,15 @@ static int disable_device(struct acpiphp_slot *slot)
 
 /**
  * get_slot_status - get ACPI slot status
+ * @slot: ACPI PHP slot
  *
- * if a slot has _STA for each function and if any one of them
- * returned non-zero status, return it
+ * If a slot has _STA for each function and if any one of them
+ * returned non-zero status, return it.
  *
- * if a slot doesn't have _STA and if any one of its functions'
- * configuration space is configured, return 0x0f as a _STA
+ * If a slot doesn't have _STA and if any one of its functions'
+ * configuration space is configured, return 0x0f as a _STA.
  *
- * otherwise return 0
+ * Otherwise return 0.
  */
 static unsigned int get_slot_status(struct acpiphp_slot *slot)
 {
@@ -1281,6 +1277,7 @@ static unsigned int get_slot_status(struct acpiphp_slot *slot)
 
 /**
  * acpiphp_eject_slot - physically eject the slot
+ * @slot: ACPI PHP slot
  */
 int acpiphp_eject_slot(struct acpiphp_slot *slot)
 {
@@ -1314,6 +1311,7 @@ int acpiphp_eject_slot(struct acpiphp_slot *slot)
 
 /**
  * acpiphp_check_bridge - re-enumerate devices
+ * @bridge: where to begin re-enumeration
  *
  * Iterate over all slots under this bridge and make sure that if a
  * card is present they are enabled, and if not they are disabled.
@@ -1538,13 +1536,11 @@ check_sub_bridges(acpi_handle handle, u32 lvl, void *context, void **rv)
 
 /**
  * handle_hotplug_event_bridge - handle ACPI event on bridges
- *
  * @handle: Notify()'ed acpi_handle
  * @type: Notify code
  * @context: pointer to acpiphp_bridge structure
  *
- * handles ACPI event notification on {host,p2p} bridges
- *
+ * Handles ACPI event notification on {host,p2p} bridges.
  */
 static void handle_hotplug_event_bridge(acpi_handle handle, u32 type, void *context)
 {
@@ -1634,13 +1630,11 @@ static void handle_hotplug_event_bridge(acpi_handle handle, u32 type, void *cont
 
 /**
  * handle_hotplug_event_func - handle ACPI event on functions (i.e. slots)
- *
  * @handle: Notify()'ed acpi_handle
  * @type: Notify code
  * @context: pointer to acpiphp_func structure
  *
- * handles ACPI event notification on slots
- *
+ * Handles ACPI event notification on slots.
  */
 static void handle_hotplug_event_func(acpi_handle handle, u32 type, void *context)
 {
@@ -1705,7 +1699,6 @@ static struct acpi_pci_driver acpi_pci_hp_driver = {
 
 /**
  * acpiphp_glue_init - initializes all PCI hotplug - ACPI glue data structures
- *
  */
 int __init acpiphp_glue_init(void)
 {
@@ -1726,7 +1719,7 @@ int __init acpiphp_glue_init(void)
 /**
  * acpiphp_glue_exit - terminates all PCI hotplug - ACPI glue data structures
  *
- * This function frees all data allocated in acpiphp_glue_init()
+ * This function frees all data allocated in acpiphp_glue_init().
  */
 void  acpiphp_glue_exit(void)
 {
@@ -1760,7 +1753,6 @@ int __init acpiphp_get_num_slots(void)
  * acpiphp_for_each_slot - call function for each slot
  * @fn: callback function
  * @data: context to be passed to callback function
- *
  */
 static int acpiphp_for_each_slot(acpiphp_callback fn, void *data)
 {
@@ -1786,6 +1778,7 @@ static int acpiphp_for_each_slot(acpiphp_callback fn, void *data)
 
 /**
  * acpiphp_enable_slot - power on slot
+ * @slot: ACPI PHP slot
  */
 int acpiphp_enable_slot(struct acpiphp_slot *slot)
 {
@@ -1815,6 +1808,7 @@ int acpiphp_enable_slot(struct acpiphp_slot *slot)
 
 /**
  * acpiphp_disable_slot - power off slot
+ * @slot: ACPI PHP slot
  */
 int acpiphp_disable_slot(struct acpiphp_slot *slot)
 {
diff --git a/drivers/pci/hotplug/acpiphp_ibm.c b/drivers/pci/hotplug/acpiphp_ibm.c
index 56829f82be4a..47d26b65e99a 100644
--- a/drivers/pci/hotplug/acpiphp_ibm.c
+++ b/drivers/pci/hotplug/acpiphp_ibm.c
@@ -134,11 +134,11 @@ static struct acpiphp_attention_info ibm_attention_info =
  * ibm_slot_from_id - workaround for bad ibm hardware
  * @id: the slot number that linux refers to the slot by
  *
- * Description: this method returns the aCPI slot descriptor
+ * Description: This method returns the aCPI slot descriptor
  * corresponding to the Linux slot number.  This descriptor
  * has info about the aPCI slot id and attention status.
  * This descriptor must be freed using kfree when done.
- **/
+ */
 static union apci_descriptor *ibm_slot_from_id(int id)
 {
 	int ind = 0, size;
@@ -173,9 +173,9 @@ ibm_slot_done:
  * @slot: the hotplug_slot to work with
  * @status: what to set the LED to (0 or 1)
  *
- * Description: this method is registered with the acpiphp module as a
- * callback to do the device specific task of setting the LED status
- **/
+ * Description: This method is registered with the acpiphp module as a
+ * callback to do the device specific task of setting the LED status.
+ */
 static int ibm_set_attention_status(struct hotplug_slot *slot, u8 status)
 {
 	union acpi_object args[2]; 
@@ -213,13 +213,13 @@ static int ibm_set_attention_status(struct hotplug_slot *slot, u8 status)
  * @slot: the hotplug_slot to work with
  * @status: returns what the LED is set to (0 or 1)
  *
- * Description: this method is registered with the acpiphp module as a
- * callback to do the device specific task of getting the LED status
+ * Description: This method is registered with the acpiphp module as a
+ * callback to do the device specific task of getting the LED status.
  * 
  * Because there is no direct method of getting the LED status directly
  * from an ACPI call, we read the aPCI table and parse out our
  * slot descriptor to read the status from that.
- **/
+ */
 static int ibm_get_attention_status(struct hotplug_slot *slot, u8 *status)
 {
 	union apci_descriptor *ibm_slot;
@@ -245,8 +245,8 @@ static int ibm_get_attention_status(struct hotplug_slot *slot, u8 *status)
  * @event: the event info (device specific)
  * @context: passed context (our notification struct)
  *
- * Description: this method is registered as a callback with the ACPI
- * subsystem it is called when this device has an event to notify the OS of
+ * Description: This method is registered as a callback with the ACPI
+ * subsystem it is called when this device has an event to notify the OS of.
  *
  * The events actually come from the device as two events that get
  * synthesized into one event with data by this function.  The event
@@ -256,7 +256,7 @@ static int ibm_get_attention_status(struct hotplug_slot *slot, u8 *status)
  * From section 5.6.2.2 of the ACPI 2.0 spec, I understand that the OSPM will
  * only re-enable the interrupt that causes this event AFTER this method
  * has returned, thereby enforcing serial access for the notification struct.
- **/
+ */
 static void ibm_handle_events(acpi_handle handle, u32 event, void *context)
 {
 	u8 detail = event & 0x0f;
@@ -279,16 +279,16 @@ static void ibm_handle_events(acpi_handle handle, u32 event, void *context)
  * ibm_get_table_from_acpi - reads the APLS buffer from ACPI
  * @bufp: address to pointer to allocate for the table
  *
- * Description: this method reads the APLS buffer in from ACPI and
+ * Description: This method reads the APLS buffer in from ACPI and
  * stores the "stripped" table into a single buffer
- * it allocates and passes the address back in bufp
+ * it allocates and passes the address back in bufp.
  *
  * If NULL is passed in as buffer, this method only calculates
  * the size of the table and returns that without filling
- * in the buffer
+ * in the buffer.
  *
- * returns < 0 on error or the size of the table on success
- **/
+ * Returns < 0 on error or the size of the table on success.
+ */
 static int ibm_get_table_from_acpi(char **bufp)
 {
 	union acpi_object *package;
@@ -349,17 +349,18 @@ read_table_done:
 /**
  * ibm_read_apci_table - callback for the sysfs apci_table file
  * @kobj: the kobject this binary attribute is a part of
+ * @bin_attr: struct bin_attribute for this file
  * @buffer: the kernel space buffer to fill
  * @pos: the offset into the file
  * @size: the number of bytes requested
  *
- * Description: gets registered with sysfs as the reader callback
- * to be executed when /sys/bus/pci/slots/apci_table gets read
+ * Description: Gets registered with sysfs as the reader callback
+ * to be executed when /sys/bus/pci/slots/apci_table gets read.
  *
  * Since we don't get notified on open and close for this file,
  * things get really tricky here...
- * our solution is to only allow reading the table in all at once
- **/
+ * our solution is to only allow reading the table in all at once.
+ */
 static ssize_t ibm_read_apci_table(struct kobject *kobj,
 				   struct bin_attribute *bin_attr,
 				   char *buffer, loff_t pos, size_t size)
@@ -385,10 +386,10 @@ static ssize_t ibm_read_apci_table(struct kobject *kobj,
  * @context: a pointer to our handle to fill when we find the device
  * @rv: a return value to fill if desired
  *
- * Description: used as a callback when calling acpi_walk_namespace
+ * Description: Used as a callback when calling acpi_walk_namespace
  * to find our device.  When this method returns non-zero
- * acpi_walk_namespace quits its search and returns our value
- **/
+ * acpi_walk_namespace quits its search and returns our value.
+ */
 static acpi_status __init ibm_find_acpi_device(acpi_handle handle,
 		u32 lvl, void *context, void **rv)
 {
diff --git a/drivers/pci/hotplug/cpqphp_core.c b/drivers/pci/hotplug/cpqphp_core.c
index a96b739b2d35..74178875b949 100644
--- a/drivers/pci/hotplug/cpqphp_core.c
+++ b/drivers/pci/hotplug/cpqphp_core.c
@@ -117,12 +117,10 @@ static inline int is_slot66mhz(struct slot *slot)
 
 /**
  * detect_SMBIOS_pointer - find the System Management BIOS Table in mem region.
- *
  * @begin: begin pointer for region to be scanned.
  * @end: end pointer for region to be scanned.
  *
- * Returns pointer to the head of the SMBIOS tables (or NULL)
- *
+ * Returns pointer to the head of the SMBIOS tables (or %NULL).
  */
 static void __iomem * detect_SMBIOS_pointer(void __iomem *begin, void __iomem *end)
 {
@@ -157,9 +155,9 @@ static void __iomem * detect_SMBIOS_pointer(void __iomem *begin, void __iomem *e
 
 /**
  * init_SERR - Initializes the per slot SERR generation.
+ * @ctrl: controller to use
  *
  * For unexpected switch opens
- *
  */
 static int init_SERR(struct controller * ctrl)
 {
@@ -224,14 +222,15 @@ static int pci_print_IRQ_route (void)
 
 /**
  * get_subsequent_smbios_entry: get the next entry from bios table.
- *
- * Gets the first entry if previous == NULL
- * Otherwise, returns the next entry
- * Uses global SMBIOS Table pointer
- *
+ * @smbios_start: where to start in the SMBIOS table
+ * @smbios_table: location of the SMBIOS table
  * @curr: %NULL or pointer to previously returned structure
  *
- * returns a pointer to an SMBIOS structure or NULL if none found
+ * Gets the first entry if previous == NULL;
+ * otherwise, returns the next entry.
+ * Uses global SMBIOS Table pointer.
+ *
+ * Returns a pointer to an SMBIOS structure or NULL if none found.
  */
 static void __iomem *get_subsequent_smbios_entry(void __iomem *smbios_start,
 						void __iomem *smbios_table,
@@ -272,17 +271,18 @@ static void __iomem *get_subsequent_smbios_entry(void __iomem *smbios_start,
 
 
 /**
- * get_SMBIOS_entry
- *
- * @type:SMBIOS structure type to be returned
+ * get_SMBIOS_entry - return the requested SMBIOS entry or %NULL
+ * @smbios_start: where to start in the SMBIOS table
+ * @smbios_table: location of the SMBIOS table
+ * @type: SMBIOS structure type to be returned
  * @previous: %NULL or pointer to previously returned structure
  *
- * Gets the first entry of the specified type if previous == NULL
+ * Gets the first entry of the specified type if previous == %NULL;
  * Otherwise, returns the next entry of the given type.
- * Uses global SMBIOS Table pointer
- * Uses get_subsequent_smbios_entry
+ * Uses global SMBIOS Table pointer.
+ * Uses get_subsequent_smbios_entry.
  *
- * returns a pointer to an SMBIOS structure or %NULL if none found
+ * Returns a pointer to an SMBIOS structure or %NULL if none found.
  */
 static void __iomem *get_SMBIOS_entry(void __iomem *smbios_start,
 					void __iomem *smbios_table,
@@ -581,7 +581,9 @@ get_slot_mapping(struct pci_bus *bus, u8 bus_num, u8 dev_num, u8 *slot)
 
 /**
  * cpqhp_set_attention_status - Turns the Amber LED for a slot on or off
- *
+ * @ctrl: struct controller to use
+ * @func: PCI device/function info
+ * @status: LED control flag: 1 = LED on, 0 = LED off
  */
 static int
 cpqhp_set_attention_status(struct controller *ctrl, struct pci_func *func,
@@ -621,7 +623,8 @@ cpqhp_set_attention_status(struct controller *ctrl, struct pci_func *func,
 
 /**
  * set_attention_status - Turns the Amber LED for a slot on or off
- *
+ * @hotplug_slot: slot to change LED on
+ * @status: LED control flag
  */
 static int set_attention_status (struct hotplug_slot *hotplug_slot, u8 status)
 {
diff --git a/drivers/pci/hotplug/cpqphp_ctrl.c b/drivers/pci/hotplug/cpqphp_ctrl.c
index 856d57b4d604..4018420c6f95 100644
--- a/drivers/pci/hotplug/cpqphp_ctrl.c
+++ b/drivers/pci/hotplug/cpqphp_ctrl.c
@@ -123,7 +123,7 @@ static u8 handle_switch_change(u8 change, struct controller * ctrl)
 }
 
 /**
- * cpqhp_find_slot: find the struct slot of given device
+ * cpqhp_find_slot - find the struct slot of given device
  * @ctrl: scan lots of this controller
  * @device: the device id to find
  */
@@ -305,9 +305,8 @@ static u8 handle_power_fault(u8 change, struct controller * ctrl)
 
 
 /**
- * sort_by_size: sort nodes on the list by their length, smallest first.
+ * sort_by_size - sort nodes on the list by their length, smallest first.
  * @head: list to sort
- *
  */
 static int sort_by_size(struct pci_resource **head)
 {
@@ -354,9 +353,8 @@ static int sort_by_size(struct pci_resource **head)
 
 
 /**
- * sort_by_max_size: sort nodes on the list by their length, largest first.
+ * sort_by_max_size - sort nodes on the list by their length, largest first.
  * @head: list to sort
- *
  */
 static int sort_by_max_size(struct pci_resource **head)
 {
@@ -403,8 +401,10 @@ static int sort_by_max_size(struct pci_resource **head)
 
 
 /**
- * do_pre_bridge_resource_split: find node of resources that are unused
- *
+ * do_pre_bridge_resource_split - find node of resources that are unused
+ * @head: new list head
+ * @orig_head: original list head
+ * @alignment: max node size (?)
  */
 static struct pci_resource *do_pre_bridge_resource_split(struct pci_resource **head,
 				struct pci_resource **orig_head, u32 alignment)
@@ -477,8 +477,9 @@ static struct pci_resource *do_pre_bridge_resource_split(struct pci_resource **h
 
 
 /**
- * do_bridge_resource_split: find one node of resources that aren't in use
- *
+ * do_bridge_resource_split - find one node of resources that aren't in use
+ * @head: list head
+ * @alignment: max node size (?)
  */
 static struct pci_resource *do_bridge_resource_split(struct pci_resource **head, u32 alignment)
 {
@@ -525,14 +526,13 @@ error:
 
 
 /**
- * get_io_resource: find first node of given size not in ISA aliasing window.
+ * get_io_resource - find first node of given size not in ISA aliasing window.
  * @head: list to search
  * @size: size of node to find, must be a power of two.
  *
- * Description: this function sorts the resource list by size and then returns
+ * Description: This function sorts the resource list by size and then returns
  * returns the first node of "size" length that is not in the ISA aliasing
  * window.  If it finds a node larger than "size" it will split it up.
- *
  */
 static struct pci_resource *get_io_resource(struct pci_resource **head, u32 size)
 {
@@ -620,7 +620,7 @@ static struct pci_resource *get_io_resource(struct pci_resource **head, u32 size
 
 
 /**
- * get_max_resource: get largest node which has at least the given size.
+ * get_max_resource - get largest node which has at least the given size.
  * @head: the list to search the node in
  * @size: the minimum size of the node to find
  *
@@ -712,7 +712,7 @@ static struct pci_resource *get_max_resource(struct pci_resource **head, u32 siz
 
 
 /**
- * get_resource: find resource of given size and split up larger ones.
+ * get_resource - find resource of given size and split up larger ones.
  * @head: the list to search for resources
  * @size: the size limit to use
  *
@@ -804,14 +804,14 @@ static struct pci_resource *get_resource(struct pci_resource **head, u32 size)
 
 
 /**
- * cpqhp_resource_sort_and_combine: sort nodes by base addresses and clean up.
+ * cpqhp_resource_sort_and_combine - sort nodes by base addresses and clean up
  * @head: the list to sort and clean up
  *
  * Description: Sorts all of the nodes in the list in ascending order by
  * their base addresses.  Also does garbage collection by
  * combining adjacent nodes.
  *
- * returns 0 if success
+ * Returns %0 if success.
  */
 int cpqhp_resource_sort_and_combine(struct pci_resource **head)
 {
@@ -951,9 +951,9 @@ irqreturn_t cpqhp_ctrl_intr(int IRQ, void *data)
 
 /**
  * cpqhp_slot_create - Creates a node and adds it to the proper bus.
- * @busnumber - bus where new node is to be located
+ * @busnumber: bus where new node is to be located
  *
- * Returns pointer to the new node or NULL if unsuccessful
+ * Returns pointer to the new node or %NULL if unsuccessful.
  */
 struct pci_func *cpqhp_slot_create(u8 busnumber)
 {
@@ -986,7 +986,7 @@ struct pci_func *cpqhp_slot_create(u8 busnumber)
  * slot_remove - Removes a node from the linked list of slots.
  * @old_slot: slot to remove
  *
- * Returns 0 if successful, !0 otherwise.
+ * Returns %0 if successful, !0 otherwise.
  */
 static int slot_remove(struct pci_func * old_slot)
 {
@@ -1026,7 +1026,7 @@ static int slot_remove(struct pci_func * old_slot)
  * bridge_slot_remove - Removes a node from the linked list of slots.
  * @bridge: bridge to remove
  *
- * Returns 0 if successful, !0 otherwise.
+ * Returns %0 if successful, !0 otherwise.
  */
 static int bridge_slot_remove(struct pci_func *bridge)
 {
@@ -1071,7 +1071,7 @@ out:
  * cpqhp_slot_find - Looks for a node by bus, and device, multiple functions accessed
  * @bus: bus to find
  * @device: device to find
- * @index: is 0 for first function found, 1 for the second...
+ * @index: is %0 for first function found, %1 for the second...
  *
  * Returns pointer to the node if successful, %NULL otherwise.
  */
@@ -1115,16 +1115,13 @@ static int is_bridge(struct pci_func * func)
 
 
 /**
- * set_controller_speed - set the frequency and/or mode of a specific
- * controller segment.
- *
+ * set_controller_speed - set the frequency and/or mode of a specific controller segment.
  * @ctrl: controller to change frequency/mode for.
  * @adapter_speed: the speed of the adapter we want to match.
  * @hp_slot: the slot number where the adapter is installed.
  *
- * Returns 0 if we successfully change frequency and/or mode to match the
+ * Returns %0 if we successfully change frequency and/or mode to match the
  * adapter speed.
- * 
  */
 static u8 set_controller_speed(struct controller *ctrl, u8 adapter_speed, u8 hp_slot)
 {
@@ -1253,13 +1250,14 @@ static u8 set_controller_speed(struct controller *ctrl, u8 adapter_speed, u8 hp_
 
 /**
  * board_replaced - Called after a board has been replaced in the system.
+ * @func: PCI device/function information
+ * @ctrl: hotplug controller
  *
- * This is only used if we don't have resources for hot add
- * Turns power on for the board
- * Checks to see if board is the same
- * If board is same, reconfigures it
+ * This is only used if we don't have resources for hot add.
+ * Turns power on for the board.
+ * Checks to see if board is the same.
+ * If board is same, reconfigures it.
  * If board isn't same, turns it back off.
- *
  */
 static u32 board_replaced(struct pci_func *func, struct controller *ctrl)
 {
@@ -1403,10 +1401,11 @@ static u32 board_replaced(struct pci_func *func, struct controller *ctrl)
 
 /**
  * board_added - Called after a board has been added to the system.
+ * @func: PCI device/function info
+ * @ctrl: hotplug controller
  *
- * Turns power on for the board
- * Configures board
- *
+ * Turns power on for the board.
+ * Configures board.
  */
 static u32 board_added(struct pci_func *func, struct controller *ctrl)
 {
@@ -1607,8 +1606,10 @@ static u32 board_added(struct pci_func *func, struct controller *ctrl)
 
 
 /**
- * remove_board - Turns off slot and LED's
- *
+ * remove_board - Turns off slot and LEDs
+ * @func: PCI device/function info
+ * @replace_flag: whether replacing or adding a new device
+ * @ctrl: target controller
  */
 static u32 remove_board(struct pci_func * func, u32 replace_flag, struct controller * ctrl)
 {
@@ -1902,11 +1903,11 @@ static void interrupt_event_handler(struct controller *ctrl)
 
 
 /**
- * cpqhp_pushbutton_thread
+ * cpqhp_pushbutton_thread - handle pushbutton events
+ * @slot: target slot (struct)
  *
- * Scheduled procedure to handle blocking stuff for the pushbuttons
+ * Scheduled procedure to handle blocking stuff for the pushbuttons.
  * Handles all pending events and exits.
- *
  */
 void cpqhp_pushbutton_thread(unsigned long slot)
 {
@@ -2137,9 +2138,10 @@ int cpqhp_process_SS(struct controller *ctrl, struct pci_func *func)
 }
 
 /**
- * switch_leds: switch the leds, go from one site to the other.
+ * switch_leds - switch the leds, go from one site to the other.
  * @ctrl: controller to use
  * @num_of_slots: number of slots to use
+ * @work_LED: LED control value
  * @direction: 1 to start from the left side, 0 to start right.
  */
 static void switch_leds(struct controller *ctrl, const int num_of_slots,
@@ -2165,11 +2167,11 @@ static void switch_leds(struct controller *ctrl, const int num_of_slots,
 }
 
 /**
- * hardware_test - runs hardware tests
+ * cpqhp_hardware_test - runs hardware tests
+ * @ctrl: target controller
+ * @test_num: the number written to the "test" file in sysfs.
  *
  * For hot plug ctrl folks to play with.
- * test_num is the number written to the "test" file in sysfs
- *
  */
 int cpqhp_hardware_test(struct controller *ctrl, int test_num)
 {
@@ -2249,14 +2251,12 @@ int cpqhp_hardware_test(struct controller *ctrl, int test_num)
 
 /**
  * configure_new_device - Configures the PCI header information of one board.
- *
  * @ctrl: pointer to controller structure
  * @func: pointer to function structure
  * @behind_bridge: 1 if this is a recursive call, 0 if not
  * @resources: pointer to set of resource lists
  *
- * Returns 0 if success
- *
+ * Returns 0 if success.
  */
 static u32 configure_new_device(struct controller * ctrl, struct pci_func * func,
 				 u8 behind_bridge, struct resource_lists * resources)
@@ -2346,15 +2346,13 @@ static u32 configure_new_device(struct controller * ctrl, struct pci_func * func
 
 /**
  * configure_new_function - Configures the PCI header information of one device
- *
  * @ctrl: pointer to controller structure
  * @func: pointer to function structure
  * @behind_bridge: 1 if this is a recursive call, 0 if not
  * @resources: pointer to set of resource lists
  *
  * Calls itself recursively for bridged devices.
- * Returns 0 if success
- *
+ * Returns 0 if success.
  */
 static int configure_new_function(struct controller *ctrl, struct pci_func *func,
 				   u8 behind_bridge,
diff --git a/drivers/pci/hotplug/fakephp.c b/drivers/pci/hotplug/fakephp.c
index 027f6865d7e3..d7a293e3faf5 100644
--- a/drivers/pci/hotplug/fakephp.c
+++ b/drivers/pci/hotplug/fakephp.c
@@ -165,11 +165,11 @@ static void remove_slot(struct dummy_slot *dslot)
 }
 
 /**
- * Rescan slot.
- * Tries hard not to re-enable already existing devices
- * also handles scanning of subfunctions
+ * pci_rescan_slot - Rescan slot
+ * @temp: Device template. Should be set: bus and devfn.
  *
- * @param temp   Device template. Should be set: bus and devfn.
+ * Tries hard not to re-enable already existing devices;
+ * also handles scanning of subfunctions.
  */
 static void pci_rescan_slot(struct pci_dev *temp)
 {
@@ -229,10 +229,10 @@ static void pci_rescan_slot(struct pci_dev *temp)
 
 
 /**
- * Rescan PCI bus.
- * call pci_rescan_slot for each possible function of the bus
+ * pci_rescan_bus - Rescan PCI bus
+ * @bus: the PCI bus to rescan
  *
- * @param bus
+ * Call pci_rescan_slot for each possible function of the bus.
  */
 static void pci_rescan_bus(const struct pci_bus *bus)
 {
diff --git a/drivers/pci/hotplug/pciehp_ctrl.c b/drivers/pci/hotplug/pciehp_ctrl.c
index c8cb49c5a752..f1e0966cee95 100644
--- a/drivers/pci/hotplug/pciehp_ctrl.c
+++ b/drivers/pci/hotplug/pciehp_ctrl.c
@@ -208,10 +208,10 @@ static void set_slot_off(struct controller *ctrl, struct slot * pslot)
 
 /**
  * board_added - Called after a board has been added to the system.
+ * @p_slot: &slot where board is added
  *
- * Turns power on for the board
- * Configures board
- *
+ * Turns power on for the board.
+ * Configures board.
  */
 static int board_added(struct slot *p_slot)
 {
@@ -276,8 +276,8 @@ err_exit:
 }
 
 /**
- * remove_board - Turns off slot and LED's
- *
+ * remove_board - Turns off slot and LEDs
+ * @p_slot: slot where board is being removed
  */
 static int remove_board(struct slot *p_slot)
 {
@@ -319,11 +319,11 @@ struct power_work_info {
 };
 
 /**
- * pciehp_pushbutton_thread
+ * pciehp_power_thread - handle pushbutton events
+ * @work: &struct work_struct describing work to be done
  *
- * Scheduled procedure to handle blocking stuff for the pushbuttons
+ * Scheduled procedure to handle blocking stuff for the pushbuttons.
  * Handles all pending events and exits.
- *
  */
 static void pciehp_power_thread(struct work_struct *work)
 {
diff --git a/drivers/pci/hotplug/rpadlpar_core.c b/drivers/pci/hotplug/rpadlpar_core.c
index deb6b5e35feb..b169b0e2647f 100644
--- a/drivers/pci/hotplug/rpadlpar_core.c
+++ b/drivers/pci/hotplug/rpadlpar_core.c
@@ -100,6 +100,7 @@ static struct device_node *find_dlpar_node(char *drc_name, int *node_type)
 
 /**
  * find_php_slot - return hotplug slot structure for device node
+ * @dn: target &device_node
  *
  * This routine will return the hotplug slot structure
  * for a given device node. Note that built-in PCI slots
@@ -293,9 +294,8 @@ static int dlpar_add_vio_slot(char *drc_name, struct device_node *dn)
  * dlpar_add_slot - DLPAR add an I/O Slot
  * @drc_name: drc-name of newly added slot
  *
- * Make the hotplug module and the kernel aware
- * of a newly added I/O Slot.
- * Return Codes -
+ * Make the hotplug module and the kernel aware of a newly added I/O Slot.
+ * Return Codes:
  * 0			Success
  * -ENODEV		Not a valid drc_name
  * -EINVAL		Slot already added
@@ -339,9 +339,9 @@ exit:
 /**
  * dlpar_remove_vio_slot - DLPAR remove a virtual I/O Slot
  * @drc_name: drc-name of newly added slot
+ * @dn: &device_node
  *
- * Remove the kernel and hotplug representations
- * of an I/O Slot.
+ * Remove the kernel and hotplug representations of an I/O Slot.
  * Return Codes:
  * 0			Success
  * -EINVAL		Vio dev doesn't exist
@@ -359,11 +359,11 @@ static int dlpar_remove_vio_slot(char *drc_name, struct device_node *dn)
 }
 
 /**
- * dlpar_remove_slot - DLPAR remove a PCI I/O Slot
+ * dlpar_remove_pci_slot - DLPAR remove a PCI I/O Slot
  * @drc_name: drc-name of newly added slot
+ * @dn: &device_node
  *
- * Remove the kernel and hotplug representations
- * of a PCI I/O Slot.
+ * Remove the kernel and hotplug representations of a PCI I/O Slot.
  * Return Codes:
  * 0			Success
  * -ENODEV		Not a valid drc_name
@@ -405,8 +405,7 @@ int dlpar_remove_pci_slot(char *drc_name, struct device_node *dn)
  * dlpar_remove_slot - DLPAR remove an I/O Slot
  * @drc_name: drc-name of newly added slot
  *
- * Remove the kernel and hotplug representations
- * of an I/O Slot.
+ * Remove the kernel and hotplug representations of an I/O Slot.
  * Return Codes:
  * 0			Success
  * -ENODEV		Not a valid drc_name
diff --git a/drivers/pci/hotplug/rpaphp_core.c b/drivers/pci/hotplug/rpaphp_core.c
index 458c08ef2654..58f1a9927709 100644
--- a/drivers/pci/hotplug/rpaphp_core.c
+++ b/drivers/pci/hotplug/rpaphp_core.c
@@ -54,10 +54,12 @@ module_param(debug, bool, 0644);
 
 /**
  * set_attention_status - set attention LED
+ * @hotplug_slot: target &hotplug_slot
+ * @value: LED control value
+ *
  * echo 0 > attention -- set LED OFF
  * echo 1 > attention -- set LED ON
  * echo 2 > attention -- set LED ID(identify, light is blinking)
- *
  */
 static int set_attention_status(struct hotplug_slot *hotplug_slot, u8 value)
 {
@@ -99,6 +101,8 @@ static int get_power_status(struct hotplug_slot *hotplug_slot, u8 * value)
 
 /**
  * get_attention_status - get attention LED status
+ * @hotplug_slot: slot to get status
+ * @value: pointer to store status
  */
 static int get_attention_status(struct hotplug_slot *hotplug_slot, u8 * value)
 {
@@ -254,6 +258,11 @@ static int is_php_type(char *drc_type)
 
 /**
  * is_php_dn() - return 1 if this is a hotpluggable pci slot, else 0
+ * @dn: target &device_node
+ * @indexes: passed to get_children_props()
+ * @names: passed to get_children_props()
+ * @types: returned from get_children_props()
+ * @power_domains:
  *
  * This routine will return true only if the device node is
  * a hotpluggable slot. This routine will return false
@@ -279,7 +288,7 @@ static int is_php_dn(struct device_node *dn, const int **indexes,
 
 /**
  * rpaphp_add_slot -- declare a hotplug slot to the hotplug subsystem.
- * @dn device node of slot
+ * @dn: device node of slot
  *
  * This subroutine will register a hotplugable slot with the
  * PCI hotplug infrastructure. This routine is typicaly called
@@ -291,7 +300,7 @@ static int is_php_dn(struct device_node *dn, const int **indexes,
  * routine will just return without doing anything, since embedded
  * slots cannot be hotplugged.
  *
- * To remove a slot, it suffices to call rpaphp_deregister_slot()
+ * To remove a slot, it suffices to call rpaphp_deregister_slot().
  */
 int rpaphp_add_slot(struct device_node *dn)
 {
diff --git a/drivers/pci/hotplug/rpaphp_pci.c b/drivers/pci/hotplug/rpaphp_pci.c
index 54ca8650d511..0de84533cd80 100644
--- a/drivers/pci/hotplug/rpaphp_pci.c
+++ b/drivers/pci/hotplug/rpaphp_pci.c
@@ -79,6 +79,7 @@ static void set_slot_name(struct slot *slot)
 
 /**
  * rpaphp_enable_slot - record slot state, config pci device
+ * @slot: target &slot
  *
  * Initialize values in the slot, and the hotplug_slot info
  * structures to indicate if there is a pci card plugged into
diff --git a/drivers/pci/hotplug/shpchp_ctrl.c b/drivers/pci/hotplug/shpchp_ctrl.c
index d2fc35598cdd..eb5cac6f08ae 100644
--- a/drivers/pci/hotplug/shpchp_ctrl.c
+++ b/drivers/pci/hotplug/shpchp_ctrl.c
@@ -231,10 +231,10 @@ static int fix_bus_speed(struct controller *ctrl, struct slot *pslot,
 
 /**
  * board_added - Called after a board has been added to the system.
+ * @p_slot: target &slot
  *
- * Turns power on for the board
- * Configures board
- *
+ * Turns power on for the board.
+ * Configures board.
  */
 static int board_added(struct slot *p_slot)
 {
@@ -350,8 +350,8 @@ err_exit:
 
 
 /**
- * remove_board - Turns off slot and LED's
- *
+ * remove_board - Turns off slot and LEDs
+ * @p_slot: target &slot
  */
 static int remove_board(struct slot *p_slot)
 {
@@ -397,11 +397,11 @@ struct pushbutton_work_info {
 };
 
 /**
- * shpchp_pushbutton_thread
+ * shpchp_pushbutton_thread - handle pushbutton events
+ * @work: &struct work_struct to be handled
  *
- * Scheduled procedure to handle blocking stuff for the pushbuttons
+ * Scheduled procedure to handle blocking stuff for the pushbuttons.
  * Handles all pending events and exits.
- *
  */
 static void shpchp_pushbutton_thread(struct work_struct *work)
 {
diff --git a/drivers/pci/pci-sysfs.c b/drivers/pci/pci-sysfs.c
index 1b7b2812bf2d..7d1877341aad 100644
--- a/drivers/pci/pci-sysfs.c
+++ b/drivers/pci/pci-sysfs.c
@@ -702,8 +702,10 @@ static int __init pci_sysfs_init(void)
 	sysfs_initialized = 1;
 	for_each_pci_dev(pdev) {
 		retval = pci_create_sysfs_dev_files(pdev);
-		if (retval)
+		if (retval) {
+			pci_dev_put(pdev);
 			return retval;
+		}
 	}
 
 	return 0;
diff --git a/drivers/pci/pcie/aer/aerdrv_core.c b/drivers/pci/pcie/aer/aerdrv_core.c
index 92a8469b21ba..3c0d8d138f5a 100644
--- a/drivers/pci/pcie/aer/aerdrv_core.c
+++ b/drivers/pci/pcie/aer/aerdrv_core.c
@@ -168,11 +168,11 @@ static int find_device_iter(struct device *device, void *data)
 
 /**
  * find_source_device - search through device hierarchy for source device
- * @p_dev: pointer to Root Port pci_dev data structure
+ * @parent: pointer to Root Port pci_dev data structure
  * @id: device ID of agent who sends an error message to this Root Port
  *
  * Invoked when error is detected at the Root Port.
- **/
+ */
 static struct device* find_source_device(struct pci_dev *parent, u16 id)
 {
 	struct pci_dev *dev = parent;
@@ -286,14 +286,15 @@ static void report_resume(struct pci_dev *dev, void *data)
 
 /**
  * broadcast_error_message - handle message broadcast to downstream drivers
- * @device: pointer to from where in a hierarchy message is broadcasted down
- * @api: callback to be broadcasted
+ * @dev: pointer to from where in a hierarchy message is broadcasted down
  * @state: error state
+ * @error_mesg: message to print
+ * @cb: callback to be broadcasted
  *
  * Invoked during error recovery process. Once being invoked, the content
  * of error severity will be broadcasted to all downstream drivers in a
  * hierarchy in question.
- **/
+ */
 static pci_ers_result_t broadcast_error_message(struct pci_dev *dev,
 	enum pci_channel_state state,
 	char *error_mesg,
@@ -428,7 +429,7 @@ static pci_ers_result_t reset_link(struct pcie_device *aerdev,
  * Invoked when an error is nonfatal/fatal. Once being invoked, broadcast
  * error detected message to all downstream drivers within a hierarchy in
  * question and return the returned code.
- **/
+ */
 static pci_ers_result_t do_recovery(struct pcie_device *aerdev,
 		struct pci_dev *dev,
 		int severity)
@@ -488,7 +489,7 @@ static pci_ers_result_t do_recovery(struct pcie_device *aerdev,
  * @info: comprehensive error information
  *
  * Invoked when an error being detected by Root Port.
- **/
+ */
 static void handle_error_source(struct pcie_device * aerdev,
 	struct pci_dev *dev,
 	struct aer_err_info info)
@@ -521,7 +522,7 @@ static void handle_error_source(struct pcie_device * aerdev,
  * @rpc: pointer to a Root Port data structure
  *
  * Invoked when PCIE bus loads AER service driver.
- **/
+ */
 void aer_enable_rootport(struct aer_rpc *rpc)
 {
 	struct pci_dev *pdev = rpc->rpd->port;
@@ -569,7 +570,7 @@ void aer_enable_rootport(struct aer_rpc *rpc)
  * @rpc: pointer to a Root Port data structure
  *
  * Invoked when PCIE bus unloads AER service driver.
- **/
+ */
 static void disable_root_aer(struct aer_rpc *rpc)
 {
 	struct pci_dev *pdev = rpc->rpd->port;
@@ -590,7 +591,7 @@ static void disable_root_aer(struct aer_rpc *rpc)
  * @rpc: pointer to the root port which holds an error
  *
  * Invoked by DPC handler to consume an error.
- **/
+ */
 static struct aer_err_source* get_e_source(struct aer_rpc *rpc)
 {
 	struct aer_err_source *e_source;
@@ -655,7 +656,7 @@ static int get_device_error_info(struct pci_dev *dev, struct aer_err_info *info)
  * aer_isr_one_error - consume an error detected by root port
  * @p_device: pointer to error root port service device
  * @e_src: pointer to an error source
- **/
+ */
 static void aer_isr_one_error(struct pcie_device *p_device,
 		struct aer_err_source *e_src)
 {
@@ -706,7 +707,7 @@ static void aer_isr_one_error(struct pcie_device *p_device,
  * @work: definition of this work item
  *
  * Invoked, as DPC, when root port records new detected error
- **/
+ */
 void aer_isr(struct work_struct *work)
 {
 	struct aer_rpc *rpc = container_of(work, struct aer_rpc, dpc_handler);
@@ -729,7 +730,7 @@ void aer_isr(struct work_struct *work)
  * @rpc: pointer to a root port device being deleted
  *
  * Invoked when AER service unloaded on a specific Root Port
- **/
+ */
 void aer_delete_rootport(struct aer_rpc *rpc)
 {
 	/* Disable root port AER itself */
@@ -743,7 +744,7 @@ void aer_delete_rootport(struct aer_rpc *rpc)
  * @dev: pointer to AER pcie device
  *
  * Invoked when AER service driver is loaded.
- **/
+ */
 int aer_init(struct pcie_device *dev)
 {
 	if (aer_osc_setup(dev) && !forceload)
diff --git a/drivers/pci/pcie/portdrv_pci.c b/drivers/pci/pcie/portdrv_pci.c
index df383645e366..26057f98f72e 100644
--- a/drivers/pci/pcie/portdrv_pci.c
+++ b/drivers/pci/pcie/portdrv_pci.c
@@ -217,7 +217,7 @@ static int slot_reset_iter(struct device *device, void *data)
 
 static pci_ers_result_t pcie_portdrv_slot_reset(struct pci_dev *dev)
 {
-	pci_ers_result_t status;
+	pci_ers_result_t status = PCI_ERS_RESULT_NONE;
 	int retval;
 
 	/* If fatal, restore cfg space for possible link reset at upstream */
diff --git a/drivers/pnp/pnpacpi/rsparser.c b/drivers/pnp/pnpacpi/rsparser.c
index cd0a204d96d1..3c5eb374adf8 100644
--- a/drivers/pnp/pnpacpi/rsparser.c
+++ b/drivers/pnp/pnpacpi/rsparser.c
@@ -75,6 +75,7 @@ static void pnpacpi_parse_allocated_irqresource(struct pnp_resource_table *res,
 {
 	int i = 0;
 	int irq;
+	int p, t;
 
 	if (!valid_IRQ(gsi))
 		return;
@@ -82,18 +83,27 @@ static void pnpacpi_parse_allocated_irqresource(struct pnp_resource_table *res,
 	while (!(res->irq_resource[i].flags & IORESOURCE_UNSET) &&
 	       i < PNP_MAX_IRQ)
 		i++;
-	if (i >= PNP_MAX_IRQ)
+	if (i >= PNP_MAX_IRQ) {
+		printk(KERN_ERR "pnpacpi: exceeded the max number of IRQ "
+				"resources: %d \n", PNP_MAX_IRQ);
 		return;
-
-#ifdef CONFIG_X86
-	if (gsi < 16 && (triggering != ACPI_EDGE_SENSITIVE ||
-				polarity != ACPI_ACTIVE_HIGH)) {
-		pnp_warn("BIOS BUG: legacy PNP IRQ %d should be edge trigger, "
-				"active high", gsi);
-		triggering = ACPI_EDGE_SENSITIVE;
-		polarity = ACPI_ACTIVE_HIGH;
 	}
-#endif
+	/*
+	 * in IO-APIC mode, use overrided attribute. Two reasons:
+	 * 1. BIOS bug in DSDT
+	 * 2. BIOS uses IO-APIC mode Interrupt Source Override
+	 */
+	if (!acpi_get_override_irq(gsi, &t, &p)) {
+		t = t ? ACPI_LEVEL_SENSITIVE : ACPI_EDGE_SENSITIVE;
+		p = p ? ACPI_ACTIVE_LOW : ACPI_ACTIVE_HIGH;
+
+		if (triggering != t || polarity != p) {
+			pnp_warn("IRQ %d override to %s, %s",
+				gsi, t ? "edge":"level", p ? "low":"high");
+			triggering = t;
+			polarity = p;
+		}
+	}
 
 	res->irq_resource[i].flags = IORESOURCE_IRQ;	// Also clears _UNSET flag
 	res->irq_resource[i].flags |= irq_flags(triggering, polarity);
@@ -173,6 +183,9 @@ static void pnpacpi_parse_allocated_dmaresource(struct pnp_resource_table *res,
 		}
 		res->dma_resource[i].start = dma;
 		res->dma_resource[i].end = dma;
+	} else {
+		printk(KERN_ERR "pnpacpi: exceeded the max number of DMA "
+				"resources: %d \n", PNP_MAX_DMA);
 	}
 }
 
@@ -194,6 +207,9 @@ static void pnpacpi_parse_allocated_ioresource(struct pnp_resource_table *res,
 		}
 		res->port_resource[i].start = io;
 		res->port_resource[i].end = io + len - 1;
+	} else {
+		printk(KERN_ERR "pnpacpi: exceeded the max number of IO "
+				"resources: %d \n", PNP_MAX_PORT);
 	}
 }
 
@@ -217,6 +233,9 @@ static void pnpacpi_parse_allocated_memresource(struct pnp_resource_table *res,
 
 		res->mem_resource[i].start = mem;
 		res->mem_resource[i].end = mem + len - 1;
+	} else {
+		printk(KERN_ERR "pnpacpi: exceeded the max number of mem "
+				"resources: %d\n", PNP_MAX_MEM);
 	}
 }
 
diff --git a/drivers/pnp/resource.c b/drivers/pnp/resource.c
index 41d73a5e9312..e50ebcffb962 100644
--- a/drivers/pnp/resource.c
+++ b/drivers/pnp/resource.c
@@ -367,8 +367,10 @@ int pnp_check_irq(struct pnp_dev *dev, int idx)
 	{
 		struct pci_dev *pci = NULL;
 		for_each_pci_dev(pci) {
-			if (pci->irq == *irq)
+			if (pci->irq == *irq) {
+				pci_dev_put(pci);
 				return 0;
+			}
 		}
 	}
 #endif
diff --git a/drivers/ps3/Makefile b/drivers/ps3/Makefile
index 746031de2195..1f5a2d33bf5b 100644
--- a/drivers/ps3/Makefile
+++ b/drivers/ps3/Makefile
@@ -1,6 +1,6 @@
-obj-$(CONFIG_PS3_VUART) += vuart.o
+obj-$(CONFIG_PS3_VUART) += ps3-vuart.o
 obj-$(CONFIG_PS3_PS3AV) += ps3av_mod.o
 ps3av_mod-objs		+= ps3av.o ps3av_cmd.o
 obj-$(CONFIG_PPC_PS3) += sys-manager-core.o
-obj-$(CONFIG_PS3_SYS_MANAGER) += sys-manager.o
+obj-$(CONFIG_PS3_SYS_MANAGER) += ps3-sys-manager.o
 obj-$(CONFIG_PS3_STORAGE) += ps3stor_lib.o
diff --git a/drivers/ps3/sys-manager.c b/drivers/ps3/ps3-sys-manager.c
index 8461b08ab9fb..8461b08ab9fb 100644
--- a/drivers/ps3/sys-manager.c
+++ b/drivers/ps3/ps3-sys-manager.c
diff --git a/drivers/ps3/vuart.c b/drivers/ps3/ps3-vuart.c
index 9dea585ef806..9dea585ef806 100644
--- a/drivers/ps3/vuart.c
+++ b/drivers/ps3/ps3-vuart.c
diff --git a/drivers/rtc/Kconfig b/drivers/rtc/Kconfig
index e5cdc0294aaa..1e6715ec51ef 100644
--- a/drivers/rtc/Kconfig
+++ b/drivers/rtc/Kconfig
@@ -447,7 +447,7 @@ config RTC_DRV_AT91RM9200
 
 config RTC_DRV_BFIN
 	tristate "Blackfin On-Chip RTC"
-	depends on BFIN
+	depends on BLACKFIN
 	help
 	  If you say yes here you will get support for the
 	  Blackfin On-Chip Real Time Clock.
diff --git a/drivers/rtc/interface.c b/drivers/rtc/interface.c
index de0da545c7a1..a4f56e95cf96 100644
--- a/drivers/rtc/interface.c
+++ b/drivers/rtc/interface.c
@@ -293,7 +293,7 @@ int rtc_irq_register(struct rtc_device *rtc, struct rtc_task *task)
 		return -EINVAL;
 
 	/* Cannot register while the char dev is in use */
-	if (!(mutex_trylock(&rtc->char_lock)))
+	if (test_and_set_bit(RTC_DEV_BUSY, &rtc->flags))
 		return -EBUSY;
 
 	spin_lock_irq(&rtc->irq_task_lock);
@@ -303,7 +303,7 @@ int rtc_irq_register(struct rtc_device *rtc, struct rtc_task *task)
 	}
 	spin_unlock_irq(&rtc->irq_task_lock);
 
-	mutex_unlock(&rtc->char_lock);
+	clear_bit(RTC_DEV_BUSY, &rtc->flags);
 
 	return retval;
 }
diff --git a/drivers/rtc/rtc-dev.c b/drivers/rtc/rtc-dev.c
index 814583bd2fe7..ae1bf177d625 100644
--- a/drivers/rtc/rtc-dev.c
+++ b/drivers/rtc/rtc-dev.c
@@ -26,10 +26,7 @@ static int rtc_dev_open(struct inode *inode, struct file *file)
 					struct rtc_device, char_dev);
 	const struct rtc_class_ops *ops = rtc->ops;
 
-	/* We keep the lock as long as the device is in use
-	 * and return immediately if busy
-	 */
-	if (!(mutex_trylock(&rtc->char_lock)))
+	if (test_and_set_bit(RTC_DEV_BUSY, &rtc->flags))
 		return -EBUSY;
 
 	file->private_data = rtc;
@@ -43,8 +40,8 @@ static int rtc_dev_open(struct inode *inode, struct file *file)
 		return 0;
 	}
 
-	/* something has gone wrong, release the lock */
-	mutex_unlock(&rtc->char_lock);
+	/* something has gone wrong */
+	clear_bit(RTC_DEV_BUSY, &rtc->flags);
 	return err;
 }
 
@@ -405,7 +402,7 @@ static int rtc_dev_release(struct inode *inode, struct file *file)
 	if (rtc->ops->release)
 		rtc->ops->release(rtc->dev.parent);
 
-	mutex_unlock(&rtc->char_lock);
+	clear_bit(RTC_DEV_BUSY, &rtc->flags);
 	return 0;
 }
 
@@ -440,7 +437,6 @@ void rtc_dev_prepare(struct rtc_device *rtc)
 
 	rtc->dev.devt = MKDEV(MAJOR(rtc_devt), rtc->id);
 
-	mutex_init(&rtc->char_lock);
 #ifdef CONFIG_RTC_INTF_DEV_UIE_EMUL
 	INIT_WORK(&rtc->uie_task, rtc_uie_task);
 	setup_timer(&rtc->uie_timer, rtc_uie_timer, (unsigned long)rtc);
diff --git a/drivers/s390/cio/css.c b/drivers/s390/cio/css.c
index 838f7ac0dc32..6db31089d2d7 100644
--- a/drivers/s390/cio/css.c
+++ b/drivers/s390/cio/css.c
@@ -483,7 +483,7 @@ static DECLARE_WORK(css_reprobe_work, reprobe_all);
 void css_schedule_reprobe(void)
 {
 	need_reprobe = 1;
-	queue_work(ccw_device_work, &css_reprobe_work);
+	queue_work(slow_path_wq, &css_reprobe_work);
 }
 
 EXPORT_SYMBOL_GPL(css_schedule_reprobe);
diff --git a/drivers/s390/cio/device_fsm.c b/drivers/s390/cio/device_fsm.c
index 8867443b8060..bfad421cda66 100644
--- a/drivers/s390/cio/device_fsm.c
+++ b/drivers/s390/cio/device_fsm.c
@@ -1034,7 +1034,7 @@ device_trigger_reprobe(struct subchannel *sch)
 	if (sch->schib.pmcw.dev != cdev->private->dev_id.devno) {
 		PREPARE_WORK(&cdev->private->kick_work,
 			     ccw_device_move_to_orphanage);
-		queue_work(ccw_device_work, &cdev->private->kick_work);
+		queue_work(slow_path_wq, &cdev->private->kick_work);
 	} else
 		ccw_device_start_id(cdev, 0);
 }
diff --git a/drivers/s390/cio/device_id.c b/drivers/s390/cio/device_id.c
index f232832f2b22..2f6bf462425e 100644
--- a/drivers/s390/cio/device_id.c
+++ b/drivers/s390/cio/device_id.c
@@ -113,19 +113,10 @@ __ccw_device_sense_id_start(struct ccw_device *cdev)
 {
 	struct subchannel *sch;
 	struct ccw1 *ccw;
-	int ret;
 
 	sch = to_subchannel(cdev->dev.parent);
 	/* Setup sense channel program. */
 	ccw = cdev->private->iccws;
-	if (sch->schib.pmcw.pim != 0x80) {
-		/* more than one path installed. */
-		ccw->cmd_code = CCW_CMD_SUSPEND_RECONN;
-		ccw->cda = 0;
-		ccw->count = 0;
-		ccw->flags = CCW_FLAG_SLI | CCW_FLAG_CC;
-		ccw++;
-	}
 	ccw->cmd_code = CCW_CMD_SENSE_ID;
 	ccw->cda = (__u32) __pa (&cdev->private->senseid);
 	ccw->count = sizeof (struct senseid);
@@ -133,25 +124,9 @@ __ccw_device_sense_id_start(struct ccw_device *cdev)
 
 	/* Reset device status. */
 	memset(&cdev->private->irb, 0, sizeof(struct irb));
+	cdev->private->flags.intretry = 0;
 
-	/* Try on every path. */
-	ret = -ENODEV;
-	while (cdev->private->imask != 0) {
-		if ((sch->opm & cdev->private->imask) != 0 &&
-		    cdev->private->iretry > 0) {
-			cdev->private->iretry--;
-			/* Reset internal retry indication. */
-			cdev->private->flags.intretry = 0;
-			ret = cio_start (sch, cdev->private->iccws,
-					 cdev->private->imask);
-			/* ret is 0, -EBUSY, -EACCES or -ENODEV */
-			if (ret != -EACCES)
-				return ret;
-		}
-		cdev->private->imask >>= 1;
-		cdev->private->iretry = 5;
-	}
-	return ret;
+	return cio_start(sch, ccw, LPM_ANYPATH);
 }
 
 void
@@ -161,8 +136,7 @@ ccw_device_sense_id_start(struct ccw_device *cdev)
 
 	memset (&cdev->private->senseid, 0, sizeof (struct senseid));
 	cdev->private->senseid.cu_type = 0xFFFF;
-	cdev->private->imask = 0x80;
-	cdev->private->iretry = 5;
+	cdev->private->iretry = 3;
 	ret = __ccw_device_sense_id_start(cdev);
 	if (ret && ret != -EBUSY)
 		ccw_device_sense_id_done(cdev, ret);
@@ -278,14 +252,13 @@ ccw_device_sense_id_irq(struct ccw_device *cdev, enum dev_event dev_event)
 		ccw_device_sense_id_done(cdev, ret);
 		break;
 	case -EACCES:		/* channel is not operational. */
-		sch->lpm &= ~cdev->private->imask;
-		cdev->private->imask >>= 1;
-		cdev->private->iretry = 5;
-		/* fall through. */
 	case -EAGAIN:		/* try again. */
-		ret = __ccw_device_sense_id_start(cdev);
-		if (ret == 0 || ret == -EBUSY)
-			break;
+		cdev->private->iretry--;
+		if (cdev->private->iretry > 0) {
+			ret = __ccw_device_sense_id_start(cdev);
+			if (ret == 0 || ret == -EBUSY)
+				break;
+		}
 		/* fall through. */
 	default:		/* Sense ID failed. Try asking VM. */
 		if (MACHINE_IS_VM) {
diff --git a/drivers/scsi/ide-scsi.c b/drivers/scsi/ide-scsi.c
index 8d0244c2e7d4..7a835a35f21d 100644
--- a/drivers/scsi/ide-scsi.c
+++ b/drivers/scsi/ide-scsi.c
@@ -242,16 +242,6 @@ static void idescsi_output_buffers (ide_drive_t *drive, idescsi_pc_t *pc, unsign
 	}
 }
 
-static void hexdump(u8 *x, int len)
-{
-	int i;
-
-	printk("[ ");
-	for (i = 0; i < len; i++)
-		printk("%x ", x[i]);
-	printk("]\n");
-}
-
 static int idescsi_check_condition(ide_drive_t *drive, struct request *failed_command)
 {
 	idescsi_scsi_t *scsi = drive_to_idescsi(drive);
@@ -282,7 +272,8 @@ static int idescsi_check_condition(ide_drive_t *drive, struct request *failed_co
 	pc->scsi_cmd = ((idescsi_pc_t *) failed_command->special)->scsi_cmd;
 	if (test_bit(IDESCSI_LOG_CMD, &scsi->log)) {
 		printk ("ide-scsi: %s: queue cmd = ", drive->name);
-		hexdump(pc->c, 6);
+		print_hex_dump(KERN_CONT, "", DUMP_PREFIX_NONE, 16, 1, pc->c,
+			       6, 0);
 	}
 	rq->rq_disk = scsi->disk;
 	return ide_do_drive_cmd(drive, rq, ide_preempt);
@@ -337,7 +328,8 @@ static int idescsi_end_request (ide_drive_t *drive, int uptodate, int nrsecs)
 		idescsi_pc_t *opc = (idescsi_pc_t *) rq->buffer;
 		if (log) {
 			printk ("ide-scsi: %s: wrap up check %lu, rst = ", drive->name, opc->scsi_cmd->serial_number);
-			hexdump(pc->buffer,16);
+			print_hex_dump(KERN_CONT, "", DUMP_PREFIX_NONE, 16, 1,
+				       pc->buffer, 16, 0);
 		}
 		memcpy((void *) opc->scsi_cmd->sense_buffer, pc->buffer, SCSI_SENSE_BUFFERSIZE);
 		kfree(pc->buffer);
@@ -816,10 +808,12 @@ static int idescsi_queue (struct scsi_cmnd *cmd,
 
 	if (test_bit(IDESCSI_LOG_CMD, &scsi->log)) {
 		printk ("ide-scsi: %s: que %lu, cmd = ", drive->name, cmd->serial_number);
-		hexdump(cmd->cmnd, cmd->cmd_len);
+		print_hex_dump(KERN_CONT, "", DUMP_PREFIX_NONE, 16, 1,
+			       cmd->cmnd, cmd->cmd_len, 0);
 		if (memcmp(pc->c, cmd->cmnd, cmd->cmd_len)) {
 			printk ("ide-scsi: %s: que %lu, tsl = ", drive->name, cmd->serial_number);
-			hexdump(pc->c, 12);
+			print_hex_dump(KERN_CONT, "", DUMP_PREFIX_NONE, 16, 1,
+				       pc->c, 12, 0);
 		}
 	}
 
diff --git a/drivers/scsi/zorro7xx.c b/drivers/scsi/zorro7xx.c
index ac67394c7373..64d40a2d4d4d 100644
--- a/drivers/scsi/zorro7xx.c
+++ b/drivers/scsi/zorro7xx.c
@@ -13,7 +13,10 @@
 #include <linux/init.h>
 #include <linux/interrupt.h>
 #include <linux/zorro.h>
+
+#include <asm/amigahw.h>
 #include <asm/amigaints.h>
+
 #include <scsi/scsi_host.h>
 #include <scsi/scsi_transport_spi.h>
 
diff --git a/drivers/serial/Kconfig b/drivers/serial/Kconfig
index ed438bc7e98d..d7e1996e2fec 100644
--- a/drivers/serial/Kconfig
+++ b/drivers/serial/Kconfig
@@ -600,7 +600,7 @@ config SERIAL_SA1100_CONSOLE
 
 config SERIAL_BFIN
 	tristate "Blackfin serial port support"
-	depends on BFIN
+	depends on BLACKFIN
 	select SERIAL_CORE
 	select SERIAL_BFIN_UART0 if (BF531 || BF532 || BF533 || BF561)
 	help
diff --git a/drivers/serial/ip22zilog.c b/drivers/serial/ip22zilog.c
index f3257f708ef9..9c95bc0398ad 100644
--- a/drivers/serial/ip22zilog.c
+++ b/drivers/serial/ip22zilog.c
@@ -45,8 +45,6 @@
 
 #include "ip22zilog.h"
 
-void ip22_do_break(void);
-
 /*
  * On IP22 we need to delay after register accesses but we do not need to
  * flush writes.
@@ -81,12 +79,9 @@ struct uart_ip22zilog_port {
 #define IP22ZILOG_FLAG_REGS_HELD	0x00000040
 #define IP22ZILOG_FLAG_TX_STOPPED	0x00000080
 #define IP22ZILOG_FLAG_TX_ACTIVE	0x00000100
+#define IP22ZILOG_FLAG_RESET_DONE	0x00000200
 
-	unsigned int			cflag;
-
-	/* L1-A keyboard break state.  */
-	int				kbd_id;
-	int				l1_down;
+	unsigned int			tty_break;
 
 	unsigned char			parity_mask;
 	unsigned char			prev_status;
@@ -250,13 +245,26 @@ static void ip22zilog_maybe_update_regs(struct uart_ip22zilog_port *up,
 	}
 }
 
-static void ip22zilog_receive_chars(struct uart_ip22zilog_port *up,
-				   struct zilog_channel *channel)
+#define Rx_BRK 0x0100                   /* BREAK event software flag.  */
+#define Rx_SYS 0x0200                   /* SysRq event software flag.  */
+
+static struct tty_struct *ip22zilog_receive_chars(struct uart_ip22zilog_port *up,
+						  struct zilog_channel *channel)
 {
-	struct tty_struct *tty = up->port.info->tty;	/* XXX info==NULL? */
+	struct tty_struct *tty;
+	unsigned char ch, flag;
+	unsigned int r1;
+
+	tty = NULL;
+	if (up->port.info != NULL &&
+	    up->port.info->tty != NULL)
+		tty = up->port.info->tty;
 
-	while (1) {
-		unsigned char ch, r1, flag;
+	for (;;) {
+		ch = readb(&channel->control);
+		ZSDELAY();
+		if (!(ch & Rx_CH_AV))
+			break;
 
 		r1 = read_zsreg(channel, R1);
 		if (r1 & (PAR_ERR | Rx_OVR | CRC_ERR)) {
@@ -265,43 +273,26 @@ static void ip22zilog_receive_chars(struct uart_ip22zilog_port *up,
 			ZS_WSYNC(channel);
 		}
 
-		ch = readb(&channel->control);
-		ZSDELAY();
-
-		/* This funny hack depends upon BRK_ABRT not interfering
-		 * with the other bits we care about in R1.
-		 */
-		if (ch & BRK_ABRT)
-			r1 |= BRK_ABRT;
-
 		ch = readb(&channel->data);
 		ZSDELAY();
 
 		ch &= up->parity_mask;
 
-		if (ZS_IS_CONS(up) && (r1 & BRK_ABRT)) {
-			/* Wait for BREAK to deassert to avoid potentially
-			 * confusing the PROM.
-			 */
-			while (1) {
-				ch = readb(&channel->control);
-				ZSDELAY();
-				if (!(ch & BRK_ABRT))
-					break;
-			}
-			ip22_do_break();
-			return;
-		}
+		/* Handle the null char got when BREAK is removed.  */
+		if (!ch)
+			r1 |= up->tty_break;
 
 		/* A real serial line, record the character and status.  */
 		flag = TTY_NORMAL;
 		up->port.icount.rx++;
-		if (r1 & (BRK_ABRT | PAR_ERR | Rx_OVR | CRC_ERR)) {
-			if (r1 & BRK_ABRT) {
-				r1 &= ~(PAR_ERR | CRC_ERR);
+		if (r1 & (PAR_ERR | Rx_OVR | CRC_ERR | Rx_SYS | Rx_BRK)) {
+			up->tty_break = 0;
+
+			if (r1 & (Rx_SYS | Rx_BRK)) {
 				up->port.icount.brk++;
-				if (uart_handle_break(&up->port))
-					goto next_char;
+				if (r1 & Rx_SYS)
+					continue;
+				r1 &= ~(PAR_ERR | CRC_ERR);
 			}
 			else if (r1 & PAR_ERR)
 				up->port.icount.parity++;
@@ -310,30 +301,21 @@ static void ip22zilog_receive_chars(struct uart_ip22zilog_port *up,
 			if (r1 & Rx_OVR)
 				up->port.icount.overrun++;
 			r1 &= up->port.read_status_mask;
-			if (r1 & BRK_ABRT)
+			if (r1 & Rx_BRK)
 				flag = TTY_BREAK;
 			else if (r1 & PAR_ERR)
 				flag = TTY_PARITY;
 			else if (r1 & CRC_ERR)
 				flag = TTY_FRAME;
 		}
-		if (uart_handle_sysrq_char(&up->port, ch))
-			goto next_char;
 
-		if (up->port.ignore_status_mask == 0xff ||
-		    (r1 & up->port.ignore_status_mask) == 0)
-		    	tty_insert_flip_char(tty, ch, flag);
+		if (uart_handle_sysrq_char(&up->port, ch))
+			continue;
 
-		if (r1 & Rx_OVR)
-			tty_insert_flip_char(tty, 0, TTY_OVERRUN);
-	next_char:
-		ch = readb(&channel->control);
-		ZSDELAY();
-		if (!(ch & Rx_CH_AV))
-			break;
+		if (tty)
+			uart_insert_char(&up->port, r1, Rx_OVR, ch, flag);
 	}
-
-	tty_flip_buffer_push(tty);
+	return tty;
 }
 
 static void ip22zilog_status_handle(struct uart_ip22zilog_port *up,
@@ -348,6 +330,15 @@ static void ip22zilog_status_handle(struct uart_ip22zilog_port *up,
 	ZSDELAY();
 	ZS_WSYNC(channel);
 
+	if (up->curregs[R15] & BRKIE) {
+		if ((status & BRK_ABRT) && !(up->prev_status & BRK_ABRT)) {
+			if (uart_handle_break(&up->port))
+				up->tty_break = Rx_SYS;
+			else
+				up->tty_break = Rx_BRK;
+		}
+	}
+
 	if (ZS_WANTS_MODEM_STATUS(up)) {
 		if (status & SYNC)
 			up->port.icount.dsr++;
@@ -356,10 +347,10 @@ static void ip22zilog_status_handle(struct uart_ip22zilog_port *up,
 		 * But it does not tell us which bit has changed, we have to keep
 		 * track of this ourselves.
 		 */
-		if ((status & DCD) ^ up->prev_status)
+		if ((status ^ up->prev_status) ^ DCD)
 			uart_handle_dcd_change(&up->port,
 					       (status & DCD));
-		if ((status & CTS) ^ up->prev_status)
+		if ((status ^ up->prev_status) ^ CTS)
 			uart_handle_cts_change(&up->port,
 					       (status & CTS));
 
@@ -447,19 +438,21 @@ static irqreturn_t ip22zilog_interrupt(int irq, void *dev_id)
 	while (up) {
 		struct zilog_channel *channel
 			= ZILOG_CHANNEL_FROM_PORT(&up->port);
+		struct tty_struct *tty;
 		unsigned char r3;
 
 		spin_lock(&up->port.lock);
 		r3 = read_zsreg(channel, R3);
 
 		/* Channel A */
+		tty = NULL;
 		if (r3 & (CHAEXT | CHATxIP | CHARxIP)) {
 			writeb(RES_H_IUS, &channel->control);
 			ZSDELAY();
 			ZS_WSYNC(channel);
 
 			if (r3 & CHARxIP)
-				ip22zilog_receive_chars(up, channel);
+				tty = ip22zilog_receive_chars(up, channel);
 			if (r3 & CHAEXT)
 				ip22zilog_status_handle(up, channel);
 			if (r3 & CHATxIP)
@@ -467,18 +460,22 @@ static irqreturn_t ip22zilog_interrupt(int irq, void *dev_id)
 		}
 		spin_unlock(&up->port.lock);
 
+		if (tty)
+			tty_flip_buffer_push(tty);
+
 		/* Channel B */
 		up = up->next;
 		channel = ZILOG_CHANNEL_FROM_PORT(&up->port);
 
 		spin_lock(&up->port.lock);
+		tty = NULL;
 		if (r3 & (CHBEXT | CHBTxIP | CHBRxIP)) {
 			writeb(RES_H_IUS, &channel->control);
 			ZSDELAY();
 			ZS_WSYNC(channel);
 
 			if (r3 & CHBRxIP)
-				ip22zilog_receive_chars(up, channel);
+				tty = ip22zilog_receive_chars(up, channel);
 			if (r3 & CHBEXT)
 				ip22zilog_status_handle(up, channel);
 			if (r3 & CHBTxIP)
@@ -486,6 +483,9 @@ static irqreturn_t ip22zilog_interrupt(int irq, void *dev_id)
 		}
 		spin_unlock(&up->port.lock);
 
+		if (tty)
+			tty_flip_buffer_push(tty);
+
 		up = up->next;
 	}
 
@@ -681,11 +681,46 @@ static void ip22zilog_break_ctl(struct uart_port *port, int break_state)
 	spin_unlock_irqrestore(&port->lock, flags);
 }
 
+static void __ip22zilog_reset(struct uart_ip22zilog_port *up)
+{
+	struct zilog_channel *channel;
+	int i;
+
+	if (up->flags & IP22ZILOG_FLAG_RESET_DONE)
+		return;
+
+	/* Let pending transmits finish.  */
+	channel = ZILOG_CHANNEL_FROM_PORT(&up->port);
+	for (i = 0; i < 1000; i++) {
+		unsigned char stat = read_zsreg(channel, R1);
+		if (stat & ALL_SNT)
+			break;
+		udelay(100);
+	}
+
+	if (!ZS_IS_CHANNEL_A(up)) {
+		up++;
+		channel = ZILOG_CHANNEL_FROM_PORT(&up->port);
+	}
+	write_zsreg(channel, R9, FHWRES);
+	ZSDELAY_LONG();
+	(void) read_zsreg(channel, R0);
+
+	up->flags |= IP22ZILOG_FLAG_RESET_DONE;
+	up->next->flags |= IP22ZILOG_FLAG_RESET_DONE;
+}
+
 static void __ip22zilog_startup(struct uart_ip22zilog_port *up)
 {
 	struct zilog_channel *channel;
 
 	channel = ZILOG_CHANNEL_FROM_PORT(&up->port);
+
+	__ip22zilog_reset(up);
+
+	__load_zsregs(channel, up->curregs);
+	/* set master interrupt enable */
+	write_zsreg(channel, R9, up->curregs[R9]);
 	up->prev_status = readb(&channel->control);
 
 	/* Enable receiver and transmitter.  */
@@ -859,8 +894,6 @@ ip22zilog_set_termios(struct uart_port *port, struct ktermios *termios,
 	else
 		up->flags &= ~IP22ZILOG_FLAG_MODEM_STATUS;
 
-	up->cflag = termios->c_cflag;
-
 	ip22zilog_maybe_update_regs(up, ZILOG_CHANNEL_FROM_PORT(port));
 	uart_update_timeout(port, termios->c_cflag, baud);
 
@@ -992,74 +1025,29 @@ ip22zilog_console_write(struct console *con, const char *s, unsigned int count)
 	spin_unlock_irqrestore(&up->port.lock, flags);
 }
 
-void
-ip22serial_console_termios(struct console *con, char *options)
-{
-	int baud = 9600, bits = 8, cflag;
-	int parity = 'n';
-	int flow = 'n';
-
-	if (options)
-		uart_parse_options(options, &baud, &parity, &bits, &flow);
-
-	cflag = CREAD | HUPCL | CLOCAL;
-
-	switch (baud) {
-		case 150: cflag |= B150; break;
-		case 300: cflag |= B300; break;
-		case 600: cflag |= B600; break;
-		case 1200: cflag |= B1200; break;
-		case 2400: cflag |= B2400; break;
-		case 4800: cflag |= B4800; break;
-		case 9600: cflag |= B9600; break;
-		case 19200: cflag |= B19200; break;
-		case 38400: cflag |= B38400; break;
-		default: baud = 9600; cflag |= B9600; break;
-	}
-
-	con->cflag = cflag | CS8;			/* 8N1 */
-
-	uart_update_timeout(&ip22zilog_port_table[con->index].port, cflag, baud);
-}
-
 static int __init ip22zilog_console_setup(struct console *con, char *options)
 {
 	struct uart_ip22zilog_port *up = &ip22zilog_port_table[con->index];
 	unsigned long flags;
-	int baud, brg;
-
-	printk("Console: ttyS%d (IP22-Zilog)\n", con->index);
+	int baud = 9600, bits = 8;
+	int parity = 'n';
+	int flow = 'n';
 
-	/* Get firmware console settings.  */
-	ip22serial_console_termios(con, options);
+	up->flags |= IP22ZILOG_FLAG_IS_CONS;
 
-	/* Firmware console speed is limited to 150-->38400 baud so
-	 * this hackish cflag thing is OK.
-	 */
-	switch (con->cflag & CBAUD) {
-	case B150: baud = 150; break;
-	case B300: baud = 300; break;
-	case B600: baud = 600; break;
-	case B1200: baud = 1200; break;
-	case B2400: baud = 2400; break;
-	case B4800: baud = 4800; break;
-	default: case B9600: baud = 9600; break;
-	case B19200: baud = 19200; break;
-	case B38400: baud = 38400; break;
-	};
-
-	brg = BPS_TO_BRG(baud, ZS_CLOCK / ZS_CLOCK_DIVISOR);
+	printk(KERN_INFO "Console: ttyS%d (IP22-Zilog)\n", con->index);
 
 	spin_lock_irqsave(&up->port.lock, flags);
 
-	up->curregs[R15] = BRKIE;
-	ip22zilog_convert_to_zs(up, con->cflag, 0, brg);
+	up->curregs[R15] |= BRKIE;
 
 	__ip22zilog_startup(up);
 
 	spin_unlock_irqrestore(&up->port.lock, flags);
 
-	return 0;
+	if (options)
+		uart_parse_options(options, &baud, &parity, &bits, &flow);
+	return uart_set_options(&up->port, con, baud, parity, bits, flow);
 }
 
 static struct uart_driver ip22zilog_reg;
@@ -1140,25 +1128,10 @@ static void __init ip22zilog_prepare(void)
 		up[(chip * 2) + 1].port.line = (chip * 2) + 1;
 		up[(chip * 2) + 1].flags |= IP22ZILOG_FLAG_IS_CHANNEL_A;
 	}
-}
-
-static void __init ip22zilog_init_hw(void)
-{
-	int i;
-
-	for (i = 0; i < NUM_CHANNELS; i++) {
-		struct uart_ip22zilog_port *up = &ip22zilog_port_table[i];
-		struct zilog_channel *channel = ZILOG_CHANNEL_FROM_PORT(&up->port);
-		unsigned long flags;
-		int baud, brg;
 
-		spin_lock_irqsave(&up->port.lock, flags);
-
-		if (ZS_IS_CHANNEL_A(up)) {
-			write_zsreg(channel, R9, FHWRES);
-			ZSDELAY_LONG();
-			(void) read_zsreg(channel, R0);
-		}
+	for (channel = 0; channel < NUM_CHANNELS; channel++) {
+		struct uart_ip22zilog_port *up = &ip22zilog_port_table[channel];
+		int brg;
 
 		/* Normal serial TTY. */
 		up->parity_mask = 0xff;
@@ -1169,16 +1142,10 @@ static void __init ip22zilog_init_hw(void)
 		up->curregs[R9] = NV | MIE;
 		up->curregs[R10] = NRZ;
 		up->curregs[R11] = TCBR | RCBR;
-		baud = 9600;
-		brg = BPS_TO_BRG(baud, ZS_CLOCK / ZS_CLOCK_DIVISOR);
+		brg = BPS_TO_BRG(9600, ZS_CLOCK / ZS_CLOCK_DIVISOR);
 		up->curregs[R12] = (brg & 0xff);
 		up->curregs[R13] = (brg >> 8) & 0xff;
 		up->curregs[R14] = BRENAB;
-		__load_zsregs(channel, up->curregs);
-	        /* set master interrupt enable */
-	        write_zsreg(channel, R9, up->curregs[R9]);
-
-		spin_unlock_irqrestore(&up->port.lock, flags);
 	}
 }
 
@@ -1195,8 +1162,6 @@ static int __init ip22zilog_ports_init(void)
 		panic("IP22-Zilog: Unable to register zs interrupt handler.\n");
 	}
 
-	ip22zilog_init_hw();
-
 	ret = uart_register_driver(&ip22zilog_reg);
 	if (ret == 0) {
 		int i;
diff --git a/drivers/serial/pxa.c b/drivers/serial/pxa.c
index af3a011b2b24..352fcb8926a6 100644
--- a/drivers/serial/pxa.c
+++ b/drivers/serial/pxa.c
@@ -585,11 +585,11 @@ serial_pxa_type(struct uart_port *port)
 	return up->name;
 }
 
-#ifdef CONFIG_SERIAL_PXA_CONSOLE
-
 static struct uart_pxa_port *serial_pxa_ports[4];
 static struct uart_driver serial_pxa_reg;
 
+#ifdef CONFIG_SERIAL_PXA_CONSOLE
+
 #define BOTH_EMPTY (UART_LSR_TEMT | UART_LSR_THRE)
 
 /*
diff --git a/drivers/spi/Kconfig b/drivers/spi/Kconfig
index a77ede598d34..abf05048c638 100644
--- a/drivers/spi/Kconfig
+++ b/drivers/spi/Kconfig
@@ -61,7 +61,7 @@ config SPI_ATMEL
 
 config SPI_BFIN
 	tristate "SPI controller driver for ADI Blackfin5xx"
-	depends on SPI_MASTER && BFIN
+	depends on SPI_MASTER && BLACKFIN
 	help
 	  This is the SPI controller master driver for Blackfin 5xx processor.
 
diff --git a/drivers/spi/atmel_spi.c b/drivers/spi/atmel_spi.c
index 0d342dcdd302..ff6a14bf1280 100644
--- a/drivers/spi/atmel_spi.c
+++ b/drivers/spi/atmel_spi.c
@@ -497,7 +497,7 @@ static int atmel_spi_setup(struct spi_device *spi)
 	/* chipselect must have been muxed as GPIO (e.g. in board setup) */
 	npcs_pin = (unsigned int)spi->controller_data;
 	if (!spi->controller_state) {
-		ret = gpio_request(npcs_pin, "spi_npcs");
+		ret = gpio_request(npcs_pin, spi->dev.bus_id);
 		if (ret)
 			return ret;
 		spi->controller_state = (void *)npcs_pin;
diff --git a/drivers/spi/spi_s3c24xx_gpio.c b/drivers/spi/spi_s3c24xx_gpio.c
index 0fa25e2e80fe..109d82c1abc0 100644
--- a/drivers/spi/spi_s3c24xx_gpio.c
+++ b/drivers/spi/spi_s3c24xx_gpio.c
@@ -96,6 +96,7 @@ static void s3c2410_spigpio_chipselect(struct spi_device *dev, int value)
 
 static int s3c2410_spigpio_probe(struct platform_device *dev)
 {
+	struct s3c2410_spigpio_info *info;
 	struct spi_master	*master;
 	struct s3c2410_spigpio  *sp;
 	int ret;
@@ -113,10 +114,11 @@ static int s3c2410_spigpio_probe(struct platform_device *dev)
 	platform_set_drvdata(dev, sp);
 
 	/* copy in the plkatform data */
-	sp->info = dev->dev.platform_data;
+	info = sp->info = dev->dev.platform_data;
 
 	/* setup spi bitbang adaptor */
 	sp->bitbang.master = spi_master_get(master);
+	sp->bitbang.master->bus_num = info->bus_num;
 	sp->bitbang.chipselect = s3c2410_spigpio_chipselect;
 
 	sp->bitbang.txrx_word[SPI_MODE_0] = s3c2410_spigpio_txrx_mode0;
@@ -124,13 +126,18 @@ static int s3c2410_spigpio_probe(struct platform_device *dev)
 	sp->bitbang.txrx_word[SPI_MODE_2] = s3c2410_spigpio_txrx_mode2;
 	sp->bitbang.txrx_word[SPI_MODE_3] = s3c2410_spigpio_txrx_mode3;
 
-	/* set state of spi pins */
-	s3c2410_gpio_setpin(sp->info->pin_clk, 0);
-	s3c2410_gpio_setpin(sp->info->pin_mosi, 0);
+	/* set state of spi pins, always assume that the clock is
+	 * available, but do check the MOSI and MISO. */
+	s3c2410_gpio_setpin(info->pin_clk, 0);
+	s3c2410_gpio_cfgpin(info->pin_clk, S3C2410_GPIO_OUTPUT);
 
-	s3c2410_gpio_cfgpin(sp->info->pin_clk, S3C2410_GPIO_OUTPUT);
-	s3c2410_gpio_cfgpin(sp->info->pin_mosi, S3C2410_GPIO_OUTPUT);
-	s3c2410_gpio_cfgpin(sp->info->pin_miso, S3C2410_GPIO_INPUT);
+	if (info->pin_mosi < S3C2410_GPH10) {
+		s3c2410_gpio_setpin(info->pin_mosi, 0);
+		s3c2410_gpio_cfgpin(info->pin_mosi, S3C2410_GPIO_OUTPUT);
+	}
+
+	if (info->pin_miso != S3C2410_GPA0 && info->pin_miso < S3C2410_GPH10)
+		s3c2410_gpio_cfgpin(info->pin_miso, S3C2410_GPIO_INPUT);
 
 	ret = spi_bitbang_start(&sp->bitbang);
 	if (ret)
diff --git a/drivers/usb/README b/drivers/usb/README
index 3c8434128554..284f46b3e1cc 100644
--- a/drivers/usb/README
+++ b/drivers/usb/README
@@ -39,12 +39,12 @@ first subdirectory in the list below that it fits into.
 
 image/		- This is for still image drivers, like scanners or
 		  digital cameras.
-input/		- This is for any driver that uses the input subsystem,
+../input/	- This is for any driver that uses the input subsystem,
 		  like keyboard, mice, touchscreens, tablets, etc.
-media/		- This is for multimedia drivers, like video cameras,
+../media/	- This is for multimedia drivers, like video cameras,
 		  radios, and any other drivers that talk to the v4l
 		  subsystem.
-net/		- This is for network drivers.
+../net/		- This is for network drivers.
 serial/		- This is for USB to serial drivers.
 storage/	- This is for USB mass-storage drivers.
 class/		- This is for all USB device drivers that do not fit
diff --git a/drivers/usb/core/driver.c b/drivers/usb/core/driver.c
index 8586817698ad..c51f8e9312e0 100644
--- a/drivers/usb/core/driver.c
+++ b/drivers/usb/core/driver.c
@@ -585,9 +585,6 @@ static int usb_uevent(struct device *dev, struct kobj_uevent_env *env)
 {
 	struct usb_device *usb_dev;
 
-	if (!dev)
-		return -ENODEV;
-
 	/* driver is often null here; dev_dbg() would oops */
 	pr_debug ("usb %s: uevent\n", dev->bus_id);
 
@@ -631,14 +628,6 @@ static int usb_uevent(struct device *dev, struct kobj_uevent_env *env)
 			   usb_dev->descriptor.bDeviceProtocol))
 		return -ENOMEM;
 
-	if (add_uevent_var(env, "BUSNUM=%03d",
-			   usb_dev->bus->busnum))
-		return -ENOMEM;
-
-	if (add_uevent_var(env, "DEVNUM=%03d",
-			   usb_dev->devnum))
-		return -ENOMEM;
-
 	return 0;
 }
 
diff --git a/drivers/usb/core/hcd.c b/drivers/usb/core/hcd.c
index fea8256a18d6..d5ed3fa9e304 100644
--- a/drivers/usb/core/hcd.c
+++ b/drivers/usb/core/hcd.c
@@ -1311,8 +1311,8 @@ void usb_hcd_flush_endpoint(struct usb_device *udev,
 	hcd = bus_to_hcd(udev->bus);
 
 	/* No more submits can occur */
-rescan:
 	spin_lock_irq(&hcd_urb_list_lock);
+rescan:
 	list_for_each_entry (urb, &ep->urb_list, urb_list) {
 		int	is_in;
 
@@ -1345,6 +1345,7 @@ rescan:
 		usb_put_urb (urb);
 
 		/* list contents may have changed */
+		spin_lock(&hcd_urb_list_lock);
 		goto rescan;
 	}
 	spin_unlock_irq(&hcd_urb_list_lock);
diff --git a/drivers/usb/core/hub.c b/drivers/usb/core/hub.c
index 036c3dea855e..13b326a13377 100644
--- a/drivers/usb/core/hub.c
+++ b/drivers/usb/core/hub.c
@@ -335,7 +335,7 @@ static void kick_khubd(struct usb_hub *hub)
 	to_usb_interface(hub->intfdev)->pm_usage_cnt = 1;
 
 	spin_lock_irqsave(&hub_event_lock, flags);
-	if (!hub->disconnected & list_empty(&hub->event_list)) {
+	if (!hub->disconnected && list_empty(&hub->event_list)) {
 		list_add_tail(&hub->event_list, &hub_event_list);
 		wake_up(&khubd_wait);
 	}
diff --git a/drivers/usb/core/message.c b/drivers/usb/core/message.c
index 316a746e0080..fcd40ecbeecc 100644
--- a/drivers/usb/core/message.c
+++ b/drivers/usb/core/message.c
@@ -1172,7 +1172,6 @@ int usb_set_interface(struct usb_device *dev, int interface, int alternate)
 	struct usb_host_interface *alt;
 	int ret;
 	int manual = 0;
-	int changed;
 
 	if (dev->state == USB_STATE_SUSPENDED)
 		return -EHOSTUNREACH;
@@ -1212,8 +1211,7 @@ int usb_set_interface(struct usb_device *dev, int interface, int alternate)
 	 */
 
 	/* prevent submissions using previous endpoint settings */
-	changed = (iface->cur_altsetting != alt);
-	if (changed && device_is_registered(&iface->dev))
+	if (iface->cur_altsetting != alt && device_is_registered(&iface->dev))
 		usb_remove_sysfs_intf_files(iface);
 	usb_disable_interface(dev, iface);
 
@@ -1250,7 +1248,7 @@ int usb_set_interface(struct usb_device *dev, int interface, int alternate)
 	 * (Likewise, EP0 never "halts" on well designed devices.)
 	 */
 	usb_enable_interface(dev, iface);
-	if (changed && device_is_registered(&iface->dev))
+	if (device_is_registered(&iface->dev))
 		usb_create_sysfs_intf_files(iface);
 
 	return 0;
@@ -1348,34 +1346,10 @@ static int usb_if_uevent(struct device *dev, struct kobj_uevent_env *env)
 	struct usb_interface *intf;
 	struct usb_host_interface *alt;
 
-	if (!dev)
-		return -ENODEV;
-
-	/* driver is often null here; dev_dbg() would oops */
-	pr_debug ("usb %s: uevent\n", dev->bus_id);
-
 	intf = to_usb_interface(dev);
 	usb_dev = interface_to_usbdev(intf);
 	alt = intf->cur_altsetting;
 
-#ifdef CONFIG_USB_DEVICEFS
-	if (add_uevent_var(env, "DEVICE=/proc/bus/usb/%03d/%03d",
-			   usb_dev->bus->busnum, usb_dev->devnum))
-		return -ENOMEM;
-#endif
-
-	if (add_uevent_var(env, "PRODUCT=%x/%x/%x",
-			   le16_to_cpu(usb_dev->descriptor.idVendor),
-			   le16_to_cpu(usb_dev->descriptor.idProduct),
-			   le16_to_cpu(usb_dev->descriptor.bcdDevice)))
-		return -ENOMEM;
-
-	if (add_uevent_var(env, "TYPE=%d/%d/%d",
-			   usb_dev->descriptor.bDeviceClass,
-			   usb_dev->descriptor.bDeviceSubClass,
-			   usb_dev->descriptor.bDeviceProtocol))
-		return -ENOMEM;
-
 	if (add_uevent_var(env, "INTERFACE=%d/%d/%d",
 		   alt->desc.bInterfaceClass,
 		   alt->desc.bInterfaceSubClass,
@@ -1641,12 +1615,6 @@ free_interfaces:
 				intf->dev.bus_id, ret);
 			continue;
 		}
-
-		/* The driver's probe method can call usb_set_interface(),
-		 * which would mean the interface's sysfs files are already
-		 * created.  Just in case, we'll remove them first.
-		 */
-		usb_remove_sysfs_intf_files(intf);
 		usb_create_sysfs_intf_files(intf);
 	}
 
diff --git a/drivers/usb/core/sysfs.c b/drivers/usb/core/sysfs.c
index b04afd06e502..32bd130b1eed 100644
--- a/drivers/usb/core/sysfs.c
+++ b/drivers/usb/core/sysfs.c
@@ -735,6 +735,8 @@ int usb_create_sysfs_intf_files(struct usb_interface *intf)
 	struct usb_host_interface *alt = intf->cur_altsetting;
 	int retval;
 
+	if (intf->sysfs_files_created)
+		return 0;
 	retval = sysfs_create_group(&dev->kobj, &intf_attr_grp);
 	if (retval)
 		return retval;
@@ -746,6 +748,7 @@ int usb_create_sysfs_intf_files(struct usb_interface *intf)
 	if (intf->intf_assoc)
 		retval = sysfs_create_group(&dev->kobj, &intf_assoc_attr_grp);
 	usb_create_intf_ep_files(intf, udev);
+	intf->sysfs_files_created = 1;
 	return 0;
 }
 
@@ -753,8 +756,11 @@ void usb_remove_sysfs_intf_files(struct usb_interface *intf)
 {
 	struct device *dev = &intf->dev;
 
+	if (!intf->sysfs_files_created)
+		return;
 	usb_remove_intf_ep_files(intf);
 	device_remove_file(dev, &dev_attr_interface);
 	sysfs_remove_group(&dev->kobj, &intf_attr_grp);
 	sysfs_remove_group(&intf->dev.kobj, &intf_assoc_attr_grp);
+	intf->sysfs_files_created = 0;
 }
diff --git a/drivers/usb/core/usb.c b/drivers/usb/core/usb.c
index c4a6f1095b8b..8f142370103d 100644
--- a/drivers/usb/core/usb.c
+++ b/drivers/usb/core/usb.c
@@ -192,9 +192,34 @@ static void usb_release_dev(struct device *dev)
 	kfree(udev);
 }
 
+#ifdef	CONFIG_HOTPLUG
+static int usb_dev_uevent(struct device *dev, struct kobj_uevent_env *env)
+{
+	struct usb_device *usb_dev;
+
+	usb_dev = to_usb_device(dev);
+
+	if (add_uevent_var(env, "BUSNUM=%03d", usb_dev->bus->busnum))
+		return -ENOMEM;
+
+	if (add_uevent_var(env, "DEVNUM=%03d", usb_dev->devnum))
+		return -ENOMEM;
+
+	return 0;
+}
+
+#else
+
+static int usb_dev_uevent(struct device *dev, struct kobj_uevent_env *env)
+{
+	return -ENODEV;
+}
+#endif	/* CONFIG_HOTPLUG */
+
 struct device_type usb_device_type = {
 	.name =		"usb_device",
 	.release =	usb_release_dev,
+	.uevent =	usb_dev_uevent,
 };
 
 #ifdef	CONFIG_PM
diff --git a/drivers/usb/gadget/omap_udc.c b/drivers/usb/gadget/omap_udc.c
index 87c4f50dfb61..d377154658b5 100644
--- a/drivers/usb/gadget/omap_udc.c
+++ b/drivers/usb/gadget/omap_udc.c
@@ -1241,14 +1241,14 @@ static void pullup_enable(struct omap_udc *udc)
 	udc->gadget.dev.parent->power.power_state = PMSG_ON;
 	udc->gadget.dev.power.power_state = PMSG_ON;
 	UDC_SYSCON1_REG |= UDC_PULLUP_EN;
-	if (!gadget_is_otg(udc->gadget) && !cpu_is_omap15xx())
+	if (!gadget_is_otg(&udc->gadget) && !cpu_is_omap15xx())
 		OTG_CTRL_REG |= OTG_BSESSVLD;
 	UDC_IRQ_EN_REG = UDC_DS_CHG_IE;
 }
 
 static void pullup_disable(struct omap_udc *udc)
 {
-	if (!gadget_is_otg(udc->gadget) && !cpu_is_omap15xx())
+	if (!gadget_is_otg(&udc->gadget) && !cpu_is_omap15xx())
 		OTG_CTRL_REG &= ~OTG_BSESSVLD;
 	UDC_IRQ_EN_REG = UDC_DS_CHG_IE;
 	UDC_SYSCON1_REG &= ~UDC_PULLUP_EN;
@@ -1386,7 +1386,7 @@ static void update_otg(struct omap_udc *udc)
 {
 	u16	devstat;
 
-	if (!gadget_is_otg(udc->gadget))
+	if (!gadget_is_otg(&udc->gadget))
 		return;
 
 	if (OTG_CTRL_REG & OTG_ID)
diff --git a/drivers/usb/gadget/s3c2410_udc.c b/drivers/usb/gadget/s3c2410_udc.c
index e3e90f8a75e7..4ce050c3d13f 100644
--- a/drivers/usb/gadget/s3c2410_udc.c
+++ b/drivers/usb/gadget/s3c2410_udc.c
@@ -52,10 +52,10 @@
 #include <asm/arch/irqs.h>
 
 #include <asm/arch/hardware.h>
-#include <asm/arch/regs-clock.h>
 #include <asm/arch/regs-gpio.h>
-#include <asm/arch/regs-udc.h>
-#include <asm/arch/udc.h>
+
+#include <asm/plat-s3c24xx/regs-udc.h>
+#include <asm/plat-s3c24xx/udc.h>
 
 #include <asm/mach-types.h>
 
@@ -1511,7 +1511,11 @@ static irqreturn_t s3c2410_udc_vbus_irq(int irq, void *_dev)
 	unsigned int		value;
 
 	dprintk(DEBUG_NORMAL, "%s()\n", __func__);
+
+	/* some cpus cannot read from an line configured to IRQ! */
+	s3c2410_gpio_cfgpin(udc_info->vbus_pin, S3C2410_GPIO_INPUT);
 	value = s3c2410_gpio_getpin(udc_info->vbus_pin);
+	s3c2410_gpio_cfgpin(udc_info->vbus_pin, S3C2410_GPIO_SFN2);
 
 	if (udc_info->vbus_pin_inverted)
 		value = !value;
@@ -1872,9 +1876,9 @@ static int s3c2410_udc_probe(struct platform_device *pdev)
 	if (udc_info && udc_info->vbus_pin > 0) {
 		irq = s3c2410_gpio_getirq(udc_info->vbus_pin);
 		retval = request_irq(irq, s3c2410_udc_vbus_irq,
-				IRQF_DISABLED | IRQF_TRIGGER_RISING
-				| IRQF_TRIGGER_FALLING,
-				gadget_name, udc);
+				     IRQF_DISABLED | IRQF_TRIGGER_RISING
+				     | IRQF_TRIGGER_FALLING | IRQF_SHARED,
+				     gadget_name, udc);
 
 		if (retval != 0) {
 			dev_err(dev, "can't get vbus irq %i, err %d\n",
diff --git a/drivers/usb/host/Kconfig b/drivers/usb/host/Kconfig
index 177e78ed241b..49a91c5ee51b 100644
--- a/drivers/usb/host/Kconfig
+++ b/drivers/usb/host/Kconfig
@@ -156,7 +156,7 @@ config USB_OHCI_HCD_PCI
 
 config USB_OHCI_HCD_SSB
 	bool "OHCI support for Broadcom SSB OHCI core"
-	depends on USB_OHCI_HCD && (SSB = y || SSB = CONFIG_USB_OHCI_HCD) && EXPERIMENTAL
+	depends on USB_OHCI_HCD && (SSB = y || SSB = USB_OHCI_HCD) && EXPERIMENTAL
 	default n
 	---help---
 	  Support for the Sonics Silicon Backplane (SSB) attached
diff --git a/drivers/usb/host/ehci-hcd.c b/drivers/usb/host/ehci-hcd.c
index c1514442883e..5f2d74ed5ad7 100644
--- a/drivers/usb/host/ehci-hcd.c
+++ b/drivers/usb/host/ehci-hcd.c
@@ -575,12 +575,15 @@ static int ehci_run (struct usb_hcd *hcd)
 	 * from the companions to the EHCI controller.  If any of the
 	 * companions are in the middle of a port reset at the time, it
 	 * could cause trouble.  Write-locking ehci_cf_port_reset_rwsem
-	 * guarantees that no resets are in progress.
+	 * guarantees that no resets are in progress.  After we set CF,
+	 * a short delay lets the hardware catch up; new resets shouldn't
+	 * be started before the port switching actions could complete.
 	 */
 	down_write(&ehci_cf_port_reset_rwsem);
 	hcd->state = HC_STATE_RUNNING;
 	ehci_writel(ehci, FLAG_CF, &ehci->regs->configured_flag);
 	ehci_readl(ehci, &ehci->regs->command);	/* unblock posted writes */
+	msleep(5);
 	up_write(&ehci_cf_port_reset_rwsem);
 
 	temp = HC_VERSION(ehci_readl(ehci, &ehci->caps->hc_capbase));
diff --git a/drivers/usb/image/microtek.c b/drivers/usb/image/microtek.c
index 91e999c9f680..bc207e3c21f5 100644
--- a/drivers/usb/image/microtek.c
+++ b/drivers/usb/image/microtek.c
@@ -819,7 +819,7 @@ static int mts_usb_probe(struct usb_interface *intf,
 		goto out_kfree2;
 
 	new_desc->host->hostdata[0] = (unsigned long)new_desc;
-	if (scsi_add_host(new_desc->host, NULL)) {
+	if (scsi_add_host(new_desc->host, &dev->dev)) {
 		err_retval = -EIO;
 		goto out_host_put;
 	}
diff --git a/drivers/usb/misc/adutux.c b/drivers/usb/misc/adutux.c
index c567aa7a41ea..5a2c44e4c1f7 100644
--- a/drivers/usb/misc/adutux.c
+++ b/drivers/usb/misc/adutux.c
@@ -79,12 +79,22 @@ MODULE_DEVICE_TABLE(usb, device_table);
 
 #define COMMAND_TIMEOUT	(2*HZ)	/* 60 second timeout for a command */
 
+/*
+ * The locking scheme is a vanilla 3-lock:
+ *   adu_device.buflock: A spinlock, covers what IRQs touch.
+ *   adutux_mutex:       A Static lock to cover open_count. It would also cover
+ *                       any globals, but we don't have them in 2.6.
+ *   adu_device.mtx:     A mutex to hold across sleepers like copy_from_user.
+ *                       It covers all of adu_device, except the open_count
+ *                       and what .buflock covers.
+ */
+
 /* Structure to hold all of our device specific stuff */
 struct adu_device {
-	struct mutex		mtx; /* locks this structure */
+	struct mutex		mtx;
 	struct usb_device*	udev; /* save off the usb device pointer */
 	struct usb_interface*	interface;
-	unsigned char		minor; /* the starting minor number for this device */
+	unsigned int		minor; /* the starting minor number for this device */
 	char			serial_number[8];
 
 	int			open_count; /* number of times this port has been opened */
@@ -107,8 +117,11 @@ struct adu_device {
 	char*			interrupt_out_buffer;
 	struct usb_endpoint_descriptor* interrupt_out_endpoint;
 	struct urb*		interrupt_out_urb;
+	int			out_urb_finished;
 };
 
+static DEFINE_MUTEX(adutux_mutex);
+
 static struct usb_driver adu_driver;
 
 static void adu_debug_data(int level, const char *function, int size,
@@ -132,27 +145,31 @@ static void adu_debug_data(int level, const char *function, int size,
  */
 static void adu_abort_transfers(struct adu_device *dev)
 {
-	dbg(2," %s : enter", __FUNCTION__);
+	unsigned long flags;
 
-	if (dev == NULL) {
-		dbg(1," %s : dev is null", __FUNCTION__);
-		goto exit;
-	}
+	dbg(2," %s : enter", __FUNCTION__);
 
 	if (dev->udev == NULL) {
 		dbg(1," %s : udev is null", __FUNCTION__);
 		goto exit;
 	}
 
-	dbg(2," %s : udev state %d", __FUNCTION__, dev->udev->state);
-	if (dev->udev->state == USB_STATE_NOTATTACHED) {
-		dbg(1," %s : udev is not attached", __FUNCTION__);
-		goto exit;
-	}
-
 	/* shutdown transfer */
-	usb_unlink_urb(dev->interrupt_in_urb);
-	usb_unlink_urb(dev->interrupt_out_urb);
+
+	/* XXX Anchor these instead */
+	spin_lock_irqsave(&dev->buflock, flags);
+	if (!dev->read_urb_finished) {
+		spin_unlock_irqrestore(&dev->buflock, flags);
+		usb_kill_urb(dev->interrupt_in_urb);
+	} else
+		spin_unlock_irqrestore(&dev->buflock, flags);
+
+	spin_lock_irqsave(&dev->buflock, flags);
+	if (!dev->out_urb_finished) {
+		spin_unlock_irqrestore(&dev->buflock, flags);
+		usb_kill_urb(dev->interrupt_out_urb);
+	} else
+		spin_unlock_irqrestore(&dev->buflock, flags);
 
 exit:
 	dbg(2," %s : leave", __FUNCTION__);
@@ -162,8 +179,6 @@ static void adu_delete(struct adu_device *dev)
 {
 	dbg(2, "%s enter", __FUNCTION__);
 
-	adu_abort_transfers(dev);
-
 	/* free data structures */
 	usb_free_urb(dev->interrupt_in_urb);
 	usb_free_urb(dev->interrupt_out_urb);
@@ -239,7 +254,10 @@ static void adu_interrupt_out_callback(struct urb *urb)
 		goto exit;
 	}
 
-	wake_up_interruptible(&dev->write_wait);
+	spin_lock(&dev->buflock);
+	dev->out_urb_finished = 1;
+	wake_up(&dev->write_wait);
+	spin_unlock(&dev->buflock);
 exit:
 
 	adu_debug_data(5, __FUNCTION__, urb->actual_length,
@@ -252,12 +270,17 @@ static int adu_open(struct inode *inode, struct file *file)
 	struct adu_device *dev = NULL;
 	struct usb_interface *interface;
 	int subminor;
-	int retval = 0;
+	int retval;
 
 	dbg(2,"%s : enter", __FUNCTION__);
 
 	subminor = iminor(inode);
 
+	if ((retval = mutex_lock_interruptible(&adutux_mutex))) {
+		dbg(2, "%s : mutex lock failed", __FUNCTION__);
+		goto exit_no_lock;
+	}
+
 	interface = usb_find_interface(&adu_driver, subminor);
 	if (!interface) {
 		err("%s - error, can't find device for minor %d",
@@ -267,54 +290,54 @@ static int adu_open(struct inode *inode, struct file *file)
 	}
 
 	dev = usb_get_intfdata(interface);
-	if (!dev) {
+	if (!dev || !dev->udev) {
 		retval = -ENODEV;
 		goto exit_no_device;
 	}
 
-	/* lock this device */
-	if ((retval = mutex_lock_interruptible(&dev->mtx))) {
-		dbg(2, "%s : mutex lock failed", __FUNCTION__);
+	/* check that nobody else is using the device */
+	if (dev->open_count) {
+		retval = -EBUSY;
 		goto exit_no_device;
 	}
 
-	/* increment our usage count for the device */
 	++dev->open_count;
 	dbg(2,"%s : open count %d", __FUNCTION__, dev->open_count);
 
 	/* save device in the file's private structure */
 	file->private_data = dev;
 
-	if (dev->open_count == 1) {
-		/* initialize in direction */
-		dev->read_buffer_length = 0;
+	/* initialize in direction */
+	dev->read_buffer_length = 0;
 
-		/* fixup first read by having urb waiting for it */
-		usb_fill_int_urb(dev->interrupt_in_urb,dev->udev,
-				 usb_rcvintpipe(dev->udev,
-				 		dev->interrupt_in_endpoint->bEndpointAddress),
-				 dev->interrupt_in_buffer,
-				 le16_to_cpu(dev->interrupt_in_endpoint->wMaxPacketSize),
-				 adu_interrupt_in_callback, dev,
-				 dev->interrupt_in_endpoint->bInterval);
-		/* dev->interrupt_in_urb->transfer_flags |= URB_ASYNC_UNLINK; */
-		dev->read_urb_finished = 0;
-		retval = usb_submit_urb(dev->interrupt_in_urb, GFP_KERNEL);
-		if (retval)
-			--dev->open_count;
-	}
-	mutex_unlock(&dev->mtx);
+	/* fixup first read by having urb waiting for it */
+	usb_fill_int_urb(dev->interrupt_in_urb,dev->udev,
+			 usb_rcvintpipe(dev->udev,
+					dev->interrupt_in_endpoint->bEndpointAddress),
+			 dev->interrupt_in_buffer,
+			 le16_to_cpu(dev->interrupt_in_endpoint->wMaxPacketSize),
+			 adu_interrupt_in_callback, dev,
+			 dev->interrupt_in_endpoint->bInterval);
+	dev->read_urb_finished = 0;
+	if (usb_submit_urb(dev->interrupt_in_urb, GFP_KERNEL))
+		dev->read_urb_finished = 1;
+	/* we ignore failure */
+	/* end of fixup for first read */
+
+	/* initialize out direction */
+	dev->out_urb_finished = 1;
+
+	retval = 0;
 
 exit_no_device:
+	mutex_unlock(&adutux_mutex);
+exit_no_lock:
 	dbg(2,"%s : leave, return value %d ", __FUNCTION__, retval);
-
 	return retval;
 }
 
-static int adu_release_internal(struct adu_device *dev)
+static void adu_release_internal(struct adu_device *dev)
 {
-	int retval = 0;
-
 	dbg(2," %s : enter", __FUNCTION__);
 
 	/* decrement our usage count for the device */
@@ -326,12 +349,11 @@ static int adu_release_internal(struct adu_device *dev)
 	}
 
 	dbg(2," %s : leave", __FUNCTION__);
-	return retval;
 }
 
 static int adu_release(struct inode *inode, struct file *file)
 {
-	struct adu_device *dev = NULL;
+	struct adu_device *dev;
 	int retval = 0;
 
 	dbg(2," %s : enter", __FUNCTION__);
@@ -343,15 +365,13 @@ static int adu_release(struct inode *inode, struct file *file)
 	}
 
 	dev = file->private_data;
-
 	if (dev == NULL) {
  		dbg(1," %s : object is NULL", __FUNCTION__);
 		retval = -ENODEV;
 		goto exit;
 	}
 
-	/* lock our device */
-	mutex_lock(&dev->mtx); /* not interruptible */
+	mutex_lock(&adutux_mutex); /* not interruptible */
 
 	if (dev->open_count <= 0) {
 		dbg(1," %s : device not opened", __FUNCTION__);
@@ -359,19 +379,15 @@ static int adu_release(struct inode *inode, struct file *file)
 		goto exit;
 	}
 
+	adu_release_internal(dev);
 	if (dev->udev == NULL) {
 		/* the device was unplugged before the file was released */
-		mutex_unlock(&dev->mtx);
-		adu_delete(dev);
-		dev = NULL;
-	} else {
-		/* do the work */
-		retval = adu_release_internal(dev);
+		if (!dev->open_count)	/* ... and we're the last user */
+			adu_delete(dev);
 	}
 
 exit:
-	if (dev)
-		mutex_unlock(&dev->mtx);
+	mutex_unlock(&adutux_mutex);
 	dbg(2," %s : leave, return value %d", __FUNCTION__, retval);
 	return retval;
 }
@@ -393,12 +409,12 @@ static ssize_t adu_read(struct file *file, __user char *buffer, size_t count,
 
 	dev = file->private_data;
 	dbg(2," %s : dev=%p", __FUNCTION__, dev);
-	/* lock this object */
+
 	if (mutex_lock_interruptible(&dev->mtx))
 		return -ERESTARTSYS;
 
 	/* verify that the device wasn't unplugged */
-	if (dev->udev == NULL || dev->minor == 0) {
+	if (dev->udev == NULL) {
 		retval = -ENODEV;
 		err("No device or device unplugged %d", retval);
 		goto exit;
@@ -452,7 +468,7 @@ static ssize_t adu_read(struct file *file, __user char *buffer, size_t count,
 				should_submit = 1;
 			} else {
 				/* even the primary was empty - we may need to do IO */
-				if (dev->interrupt_in_urb->status == -EINPROGRESS) {
+				if (!dev->read_urb_finished) {
 					/* somebody is doing IO */
 					spin_unlock_irqrestore(&dev->buflock, flags);
 					dbg(2," %s : submitted already", __FUNCTION__);
@@ -460,6 +476,7 @@ static ssize_t adu_read(struct file *file, __user char *buffer, size_t count,
 					/* we must initiate input */
 					dbg(2," %s : initiate input", __FUNCTION__);
 					dev->read_urb_finished = 0;
+					spin_unlock_irqrestore(&dev->buflock, flags);
 
 					usb_fill_int_urb(dev->interrupt_in_urb,dev->udev,
 							 usb_rcvintpipe(dev->udev,
@@ -469,15 +486,12 @@ static ssize_t adu_read(struct file *file, __user char *buffer, size_t count,
 							 adu_interrupt_in_callback,
 							 dev,
 							 dev->interrupt_in_endpoint->bInterval);
-					retval = usb_submit_urb(dev->interrupt_in_urb, GFP_ATOMIC);
-					if (!retval) {
-						spin_unlock_irqrestore(&dev->buflock, flags);
-						dbg(2," %s : submitted OK", __FUNCTION__);
-					} else {
+					retval = usb_submit_urb(dev->interrupt_in_urb, GFP_KERNEL);
+					if (retval) {
+						dev->read_urb_finished = 1;
 						if (retval == -ENOMEM) {
 							retval = bytes_read ? bytes_read : -ENOMEM;
 						}
-						spin_unlock_irqrestore(&dev->buflock, flags);
 						dbg(2," %s : submit failed", __FUNCTION__);
 						goto exit;
 					}
@@ -486,10 +500,14 @@ static ssize_t adu_read(struct file *file, __user char *buffer, size_t count,
 				/* we wait for I/O to complete */
 				set_current_state(TASK_INTERRUPTIBLE);
 				add_wait_queue(&dev->read_wait, &wait);
-				if (!dev->read_urb_finished)
+				spin_lock_irqsave(&dev->buflock, flags);
+				if (!dev->read_urb_finished) {
+					spin_unlock_irqrestore(&dev->buflock, flags);
 					timeout = schedule_timeout(COMMAND_TIMEOUT);
-				else
+				} else {
+					spin_unlock_irqrestore(&dev->buflock, flags);
 					set_current_state(TASK_RUNNING);
+				}
 				remove_wait_queue(&dev->read_wait, &wait);
 
 				if (timeout <= 0) {
@@ -509,19 +527,23 @@ static ssize_t adu_read(struct file *file, __user char *buffer, size_t count,
 
 	retval = bytes_read;
 	/* if the primary buffer is empty then use it */
-	if (should_submit && !dev->interrupt_in_urb->status==-EINPROGRESS) {
+	spin_lock_irqsave(&dev->buflock, flags);
+	if (should_submit && dev->read_urb_finished) {
+		dev->read_urb_finished = 0;
+		spin_unlock_irqrestore(&dev->buflock, flags);
 		usb_fill_int_urb(dev->interrupt_in_urb,dev->udev,
 				 usb_rcvintpipe(dev->udev,
 				 		dev->interrupt_in_endpoint->bEndpointAddress),
-						dev->interrupt_in_buffer,
-						le16_to_cpu(dev->interrupt_in_endpoint->wMaxPacketSize),
-						adu_interrupt_in_callback,
-						dev,
-						dev->interrupt_in_endpoint->bInterval);
-		/* dev->interrupt_in_urb->transfer_flags |= URB_ASYNC_UNLINK; */
-		dev->read_urb_finished = 0;
-		usb_submit_urb(dev->interrupt_in_urb, GFP_KERNEL);
+				dev->interrupt_in_buffer,
+				le16_to_cpu(dev->interrupt_in_endpoint->wMaxPacketSize),
+				adu_interrupt_in_callback,
+				dev,
+				dev->interrupt_in_endpoint->bInterval);
+		if (usb_submit_urb(dev->interrupt_in_urb, GFP_KERNEL) != 0)
+			dev->read_urb_finished = 1;
 		/* we ignore failure */
+	} else {
+		spin_unlock_irqrestore(&dev->buflock, flags);
 	}
 
 exit:
@@ -535,24 +557,24 @@ exit:
 static ssize_t adu_write(struct file *file, const __user char *buffer,
 			 size_t count, loff_t *ppos)
 {
+	DECLARE_WAITQUEUE(waita, current);
 	struct adu_device *dev;
 	size_t bytes_written = 0;
 	size_t bytes_to_write;
 	size_t buffer_size;
+	unsigned long flags;
 	int retval;
-	int timeout = 0;
 
 	dbg(2," %s : enter, count = %Zd", __FUNCTION__, count);
 
 	dev = file->private_data;
 
-	/* lock this object */
 	retval = mutex_lock_interruptible(&dev->mtx);
 	if (retval)
 		goto exit_nolock;
 
 	/* verify that the device wasn't unplugged */
-	if (dev->udev == NULL || dev->minor == 0) {
+	if (dev->udev == NULL) {
 		retval = -ENODEV;
 		err("No device or device unplugged %d", retval);
 		goto exit;
@@ -564,42 +586,37 @@ static ssize_t adu_write(struct file *file, const __user char *buffer,
 		goto exit;
 	}
 
-
 	while (count > 0) {
-		if (dev->interrupt_out_urb->status == -EINPROGRESS) {
-			timeout = COMMAND_TIMEOUT;
+		add_wait_queue(&dev->write_wait, &waita);
+		set_current_state(TASK_INTERRUPTIBLE);
+		spin_lock_irqsave(&dev->buflock, flags);
+		if (!dev->out_urb_finished) {
+			spin_unlock_irqrestore(&dev->buflock, flags);
 
-			while (timeout > 0) {
-				if (signal_pending(current)) {
+			mutex_unlock(&dev->mtx);
+			if (signal_pending(current)) {
 				dbg(1," %s : interrupted", __FUNCTION__);
+				set_current_state(TASK_RUNNING);
 				retval = -EINTR;
-				goto exit;
+				goto exit_onqueue;
 			}
-			mutex_unlock(&dev->mtx);
-			timeout = interruptible_sleep_on_timeout(&dev->write_wait, timeout);
+			if (schedule_timeout(COMMAND_TIMEOUT) == 0) {
+				dbg(1, "%s - command timed out.", __FUNCTION__);
+				retval = -ETIMEDOUT;
+				goto exit_onqueue;
+			}
+			remove_wait_queue(&dev->write_wait, &waita);
 			retval = mutex_lock_interruptible(&dev->mtx);
 			if (retval) {
 				retval = bytes_written ? bytes_written : retval;
 				goto exit_nolock;
 			}
-			if (timeout > 0) {
-				break;
-			}
-			dbg(1," %s : interrupted timeout: %d", __FUNCTION__, timeout);
-		}
-
-
-		dbg(1," %s : final timeout: %d", __FUNCTION__, timeout);
-
-		if (timeout == 0) {
-			dbg(1, "%s - command timed out.", __FUNCTION__);
-			retval = -ETIMEDOUT;
-			goto exit;
-		}
-
-		dbg(4," %s : in progress, count = %Zd", __FUNCTION__, count);
 
+			dbg(4," %s : in progress, count = %Zd", __FUNCTION__, count);
 		} else {
+			spin_unlock_irqrestore(&dev->buflock, flags);
+			set_current_state(TASK_RUNNING);
+			remove_wait_queue(&dev->write_wait, &waita);
 			dbg(4," %s : sending, count = %Zd", __FUNCTION__, count);
 
 			/* write the data into interrupt_out_buffer from userspace */
@@ -622,11 +639,12 @@ static ssize_t adu_write(struct file *file, const __user char *buffer,
 				bytes_to_write,
 				adu_interrupt_out_callback,
 				dev,
-				dev->interrupt_in_endpoint->bInterval);
-			/* dev->interrupt_in_urb->transfer_flags |= URB_ASYNC_UNLINK; */
+				dev->interrupt_out_endpoint->bInterval);
 			dev->interrupt_out_urb->actual_length = bytes_to_write;
+			dev->out_urb_finished = 0;
 			retval = usb_submit_urb(dev->interrupt_out_urb, GFP_KERNEL);
 			if (retval < 0) {
+				dev->out_urb_finished = 1;
 				err("Couldn't submit interrupt_out_urb %d", retval);
 				goto exit;
 			}
@@ -637,16 +655,17 @@ static ssize_t adu_write(struct file *file, const __user char *buffer,
 			bytes_written += bytes_to_write;
 		}
 	}
-
-	retval = bytes_written;
+	mutex_unlock(&dev->mtx);
+	return bytes_written;
 
 exit:
-	/* unlock the device */
 	mutex_unlock(&dev->mtx);
 exit_nolock:
-
 	dbg(2," %s : leave, return value %d", __FUNCTION__, retval);
+	return retval;
 
+exit_onqueue:
+	remove_wait_queue(&dev->write_wait, &waita);
 	return retval;
 }
 
@@ -831,25 +850,22 @@ static void adu_disconnect(struct usb_interface *interface)
 	dbg(2," %s : enter", __FUNCTION__);
 
 	dev = usb_get_intfdata(interface);
-	usb_set_intfdata(interface, NULL);
 
+	mutex_lock(&dev->mtx);	/* not interruptible */
+	dev->udev = NULL;	/* poison */
 	minor = dev->minor;
-
-	/* give back our minor */
 	usb_deregister_dev(interface, &adu_class);
-	dev->minor = 0;
+	mutex_unlock(&dev->mtx);
 
-	mutex_lock(&dev->mtx); /* not interruptible */
+	mutex_lock(&adutux_mutex);
+	usb_set_intfdata(interface, NULL);
 
 	/* if the device is not opened, then we clean up right now */
 	dbg(2," %s : open count %d", __FUNCTION__, dev->open_count);
-	if (!dev->open_count) {
-		mutex_unlock(&dev->mtx);
+	if (!dev->open_count)
 		adu_delete(dev);
-	} else {
-		dev->udev = NULL;
-		mutex_unlock(&dev->mtx);
-	}
+
+	mutex_unlock(&adutux_mutex);
 
 	dev_info(&interface->dev, "ADU device adutux%d now disconnected\n",
 		 (minor - ADU_MINOR_BASE));
diff --git a/drivers/usb/misc/usbled.c b/drivers/usb/misc/usbled.c
index 49c5c5c4c431..06cb71942dc7 100644
--- a/drivers/usb/misc/usbled.c
+++ b/drivers/usb/misc/usbled.c
@@ -144,12 +144,14 @@ static void led_disconnect(struct usb_interface *interface)
 	struct usb_led *dev;
 
 	dev = usb_get_intfdata (interface);
-	usb_set_intfdata (interface, NULL);
 
 	device_remove_file(&interface->dev, &dev_attr_blue);
 	device_remove_file(&interface->dev, &dev_attr_red);
 	device_remove_file(&interface->dev, &dev_attr_green);
 
+	/* first remove the files, then set the pointer to NULL */
+	usb_set_intfdata (interface, NULL);
+
 	usb_put_dev(dev->udev);
 
 	kfree(dev);
diff --git a/drivers/usb/serial/generic.c b/drivers/usb/serial/generic.c
index 9eb4a65ee4d9..d41531139c55 100644
--- a/drivers/usb/serial/generic.c
+++ b/drivers/usb/serial/generic.c
@@ -327,6 +327,7 @@ void usb_serial_generic_read_bulk_callback (struct urb *urb)
 	struct usb_serial_port *port = (struct usb_serial_port *)urb->context;
 	unsigned char *data = urb->transfer_buffer;
 	int status = urb->status;
+	unsigned long flags;
 
 	dbg("%s - port %d", __FUNCTION__, port->number);
 
@@ -339,11 +340,11 @@ void usb_serial_generic_read_bulk_callback (struct urb *urb)
 	usb_serial_debug_data(debug, &port->dev, __FUNCTION__, urb->actual_length, data);
 
 	/* Throttle the device if requested by tty */
-	spin_lock(&port->lock);
+	spin_lock_irqsave(&port->lock, flags);
 	if (!(port->throttled = port->throttle_req))
 		/* Handle data and continue reading from device */
 		flush_and_resubmit_read_urb(port);
-	spin_unlock(&port->lock);
+	spin_unlock_irqrestore(&port->lock, flags);
 }
 EXPORT_SYMBOL_GPL(usb_serial_generic_read_bulk_callback);
 
diff --git a/drivers/usb/serial/keyspan.c b/drivers/usb/serial/keyspan.c
index 1f7ab15df36d..feba9679ace8 100644
--- a/drivers/usb/serial/keyspan.c
+++ b/drivers/usb/serial/keyspan.c
@@ -1215,12 +1215,14 @@ static int keyspan_chars_in_buffer (struct usb_serial_port *port)
 
 static int keyspan_open (struct usb_serial_port *port, struct file *filp)
 {
-	struct keyspan_port_private	*p_priv;
-	struct keyspan_serial_private	*s_priv;
-	struct usb_serial		*serial = port->serial;
+	struct keyspan_port_private 	*p_priv;
+	struct keyspan_serial_private 	*s_priv;
+	struct usb_serial 		*serial = port->serial;
 	const struct keyspan_device_details	*d_details;
 	int				i, err;
+	int				baud_rate, device_port;
 	struct urb			*urb;
+	unsigned int			cflag;
 
 	s_priv = usb_get_serial_data(serial);
 	p_priv = usb_get_serial_port_data(port);
@@ -1263,6 +1265,30 @@ static int keyspan_open (struct usb_serial_port *port, struct file *filp)
 		/* usb_settoggle(urb->dev, usb_pipeendpoint(urb->pipe), usb_pipeout(urb->pipe), 0); */
 	}
 
+	/* get the terminal config for the setup message now so we don't
+	 * need to send 2 of them */
+
+	cflag = port->tty->termios->c_cflag;
+	device_port = port->number - port->serial->minor;
+
+	/* Baud rate calculation takes baud rate as an integer
+	   so other rates can be generated if desired. */
+	baud_rate = tty_get_baud_rate(port->tty);
+	/* If no match or invalid, leave as default */
+	if (baud_rate >= 0
+	    && d_details->calculate_baud_rate(baud_rate, d_details->baudclk,
+				NULL, NULL, NULL, device_port) == KEYSPAN_BAUD_RATE_OK) {
+		p_priv->baud = baud_rate;
+	}
+
+	/* set CTS/RTS handshake etc. */
+	p_priv->cflag = cflag;
+	p_priv->flow_control = (cflag & CRTSCTS)? flow_cts: flow_none;
+
+	keyspan_send_setup(port, 1);
+	//mdelay(100);
+	//keyspan_set_termios(port, NULL);
+
 	return (0);
 }
 
diff --git a/drivers/usb/serial/mos7840.c b/drivers/usb/serial/mos7840.c
index a5ced7e08cbf..c29c91271133 100644
--- a/drivers/usb/serial/mos7840.c
+++ b/drivers/usb/serial/mos7840.c
@@ -2711,7 +2711,7 @@ static int mos7840_startup(struct usb_serial *serial)
 	status = mos7840_set_reg_sync(serial->port[0], ZLP_REG5, Data);
 	if (status < 0) {
 		dbg("Writing ZLP_REG5 failed status-0x%x\n", status);
-		return -1;
+		goto error;
 	} else
 		dbg("ZLP_REG5 Writing success status%d\n", status);
 
diff --git a/drivers/usb/serial/pl2303.c b/drivers/usb/serial/pl2303.c
index 2cd3f1d4b687..cf8add91de05 100644
--- a/drivers/usb/serial/pl2303.c
+++ b/drivers/usb/serial/pl2303.c
@@ -86,6 +86,7 @@ static struct usb_device_id id_table [] = {
 	{ USB_DEVICE(ALCOR_VENDOR_ID, ALCOR_PRODUCT_ID) },
 	{ USB_DEVICE(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_ID) },
 	{ USB_DEVICE(WS002IN_VENDOR_ID, WS002IN_PRODUCT_ID) },
+	{ USB_DEVICE(COREGA_VENDOR_ID, COREGA_PRODUCT_ID) },
 	{ }					/* Terminating entry */
 };
 
diff --git a/drivers/usb/serial/pl2303.h b/drivers/usb/serial/pl2303.h
index ed603e3decd6..d31f5d299989 100644
--- a/drivers/usb/serial/pl2303.h
+++ b/drivers/usb/serial/pl2303.h
@@ -104,3 +104,6 @@
 #define WS002IN_VENDOR_ID	0x11f6
 #define WS002IN_PRODUCT_ID	0x2001
 
+/* Corega CG-USBRS232R Serial Adapter */
+#define COREGA_VENDOR_ID	0x07aa
+#define COREGA_PRODUCT_ID	0x002a
diff --git a/drivers/usb/serial/sierra.c b/drivers/usb/serial/sierra.c
index 833f6e1e3721..605ebccdcd51 100644
--- a/drivers/usb/serial/sierra.c
+++ b/drivers/usb/serial/sierra.c
@@ -136,6 +136,8 @@ static struct usb_device_id id_table_3port [] = {
 	{ USB_DEVICE(0x0f30, 0x1b1d) },	/* Sierra Wireless MC5720 */
 	{ USB_DEVICE(0x1199, 0x0218) },	/* Sierra Wireless MC5720 */
 	{ USB_DEVICE(0x1199, 0x0020) },	/* Sierra Wireless MC5725 */
+	{ USB_DEVICE(0x1199, 0x0220) },	/* Sierra Wireless MC5725 */
+	{ USB_DEVICE(0x1199, 0x0220) },	/* Sierra Wireless MC5725 */
 	{ USB_DEVICE(0x1199, 0x0019) },	/* Sierra Wireless AirCard 595 */
 	{ USB_DEVICE(0x1199, 0x0021) },	/* Sierra Wireless AirCard 597E */
 	{ USB_DEVICE(0x1199, 0x0120) },	/* Sierra Wireless USB Dongle 595U*/
diff --git a/drivers/usb/storage/scsiglue.c b/drivers/usb/storage/scsiglue.c
index 1ba19eaa1970..836a34ae6ec6 100644
--- a/drivers/usb/storage/scsiglue.c
+++ b/drivers/usb/storage/scsiglue.c
@@ -177,6 +177,10 @@ static int slave_configure(struct scsi_device *sdev)
 		 * is an occasional series of retries that will all fail. */
 		sdev->retry_hwerror = 1;
 
+		/* USB disks should allow restart.  Some drives spin down
+		 * automatically, requiring a START-STOP UNIT command. */
+		sdev->allow_restart = 1;
+
 	} else {
 
 		/* Non-disk-type devices don't need to blacklist any pages
diff --git a/drivers/usb/storage/unusual_devs.h b/drivers/usb/storage/unusual_devs.h
index 22ab2380367d..2c27721bd259 100644
--- a/drivers/usb/storage/unusual_devs.h
+++ b/drivers/usb/storage/unusual_devs.h
@@ -342,11 +342,11 @@ UNUSUAL_DEV(  0x04b0, 0x040d, 0x0100, 0x0100,
 		US_FL_FIX_CAPACITY),
 
 /* Reported by Graber and Mike Pagano <mpagano-kernel@mpagano.com> */
-UNUSUAL_DEV(  0x04b0, 0x040f, 0x0200, 0x0200,
-       "NIKON",
-       "NIKON DSC D200",
-       US_SC_DEVICE, US_PR_DEVICE, NULL,
-       US_FL_FIX_CAPACITY),
+UNUSUAL_DEV(  0x04b0, 0x040f, 0x0100, 0x0200,
+		"NIKON",
+		"NIKON DSC D200",
+		US_SC_DEVICE, US_PR_DEVICE, NULL,
+		US_FL_FIX_CAPACITY),
 
 /* Reported by Emil Larsson <emil@swip.net> */
 UNUSUAL_DEV(  0x04b0, 0x0411, 0x0100, 0x0101,
@@ -731,6 +731,13 @@ UNUSUAL_DEV(  0x0584, 0x0008, 0x0102, 0x0102,
  		US_SC_SCSI, US_PR_ALAUDA, init_alauda, 0 ),
 #endif
 
+/* Reported by RTE <raszilki@yandex.ru> */
+UNUSUAL_DEV(  0x058f, 0x6387, 0x0141, 0x0141,
+		"JetFlash",
+		"TS1GJF2A/120",
+		US_SC_DEVICE, US_PR_DEVICE, NULL,
+		US_FL_MAX_SECTORS_64 ),
+
 /* Fabrizio Fellini <fello@libero.it> */
 UNUSUAL_DEV(  0x0595, 0x4343, 0x0000, 0x2210,
 		"Fujifilm",
diff --git a/drivers/video/Kconfig b/drivers/video/Kconfig
index 7d86e9eae915..5b3dbcfcda48 100644
--- a/drivers/video/Kconfig
+++ b/drivers/video/Kconfig
@@ -641,6 +641,17 @@ config FB_VESA
 	  You will get a boot time penguin logo at no additional cost. Please
 	  read <file:Documentation/fb/vesafb.txt>. If unsure, say Y.
 
+config FB_EFI
+	bool "EFI-based Framebuffer Support"
+	depends on (FB = y) && X86
+	select FB_CFB_FILLRECT
+	select FB_CFB_COPYAREA
+	select FB_CFB_IMAGEBLIT
+	help
+	  This is the EFI frame buffer device driver. If the firmware on
+	  your platform is UEFI2.0, select Y to add support for
+	  Graphics Output Protocol for early console messages to appear.
+
 config FB_IMAC
 	bool "Intel-based Macintosh Framebuffer Support"
 	depends on (FB = y) && X86 && EFI
diff --git a/drivers/video/Makefile b/drivers/video/Makefile
index 59d6c45a910d..83e02b3429b6 100644
--- a/drivers/video/Makefile
+++ b/drivers/video/Makefile
@@ -118,6 +118,7 @@ obj-$(CONFIG_FB_OMAP)             += omap/
 obj-$(CONFIG_FB_UVESA)            += uvesafb.o
 obj-$(CONFIG_FB_VESA)             += vesafb.o
 obj-$(CONFIG_FB_IMAC)             += imacfb.o
+obj-$(CONFIG_FB_EFI)              += efifb.o
 obj-$(CONFIG_FB_VGA16)            += vga16fb.o
 obj-$(CONFIG_FB_OF)               += offb.o
 obj-$(CONFIG_FB_BF54X_LQ043)	  += bf54x-lq043fb.o
diff --git a/drivers/video/atmel_lcdfb.c b/drivers/video/atmel_lcdfb.c
index 235b618b4117..11a3a222dfc3 100644
--- a/drivers/video/atmel_lcdfb.c
+++ b/drivers/video/atmel_lcdfb.c
@@ -268,6 +268,10 @@ static int atmel_lcdfb_set_par(struct fb_info *info)
 	/* Turn off the LCD controller and the DMA controller */
 	lcdc_writel(sinfo, ATMEL_LCDC_PWRCON, sinfo->guard_time << ATMEL_LCDC_GUARDT_OFFSET);
 
+	/* Wait for the LCDC core to become idle */
+	while (lcdc_readl(sinfo, ATMEL_LCDC_PWRCON) & ATMEL_LCDC_BUSY)
+		msleep(10);
+
 	lcdc_writel(sinfo, ATMEL_LCDC_DMACON, 0);
 
 	if (info->var.bits_per_pixel == 1)
diff --git a/drivers/video/aty/radeon_base.c b/drivers/video/aty/radeon_base.c
index 1e32b3d13f2e..62867cb63fef 100644
--- a/drivers/video/aty/radeon_base.c
+++ b/drivers/video/aty/radeon_base.c
@@ -202,6 +202,7 @@ static struct pci_device_id radeonfb_pci_table[] = {
 	CHIP_DEF(PCI_CHIP_RV380_3154,	RV380,	CHIP_HAS_CRTC2 | CHIP_IS_MOBILITY),
 	CHIP_DEF(PCI_CHIP_RV370_5B60,	RV380,	CHIP_HAS_CRTC2),
 	CHIP_DEF(PCI_CHIP_RV370_5B62,	RV380,	CHIP_HAS_CRTC2),
+	CHIP_DEF(PCI_CHIP_RV370_5B63,	RV380,	CHIP_HAS_CRTC2),
 	CHIP_DEF(PCI_CHIP_RV370_5B64,	RV380,	CHIP_HAS_CRTC2),
 	CHIP_DEF(PCI_CHIP_RV370_5B65,	RV380,	CHIP_HAS_CRTC2),
 	CHIP_DEF(PCI_CHIP_RV370_5460,	RV380,	CHIP_HAS_CRTC2 | CHIP_IS_MOBILITY),
diff --git a/drivers/video/console/Kconfig b/drivers/video/console/Kconfig
index 267422f66255..b87ed37ac0c1 100644
--- a/drivers/video/console/Kconfig
+++ b/drivers/video/console/Kconfig
@@ -6,7 +6,7 @@ menu "Console display driver support"
 
 config VGA_CONSOLE
 	bool "VGA text console" if EMBEDDED || !X86
-	depends on !ARCH_ACORN && !ARCH_EBSA110 && !4xx && !8xx && !SPARC && !M68K && !PARISC && !FRV && !ARCH_VERSATILE && !SUPERH && !BFIN
+	depends on !ARCH_ACORN && !ARCH_EBSA110 && !4xx && !8xx && !SPARC && !M68K && !PARISC && !FRV && !ARCH_VERSATILE && !SUPERH && !BLACKFIN
 	default y
 	help
 	  Saying Y here will allow you to use Linux in text mode through a
diff --git a/drivers/video/efifb.c b/drivers/video/efifb.c
new file mode 100644
index 000000000000..bd779ae44b1e
--- /dev/null
+++ b/drivers/video/efifb.c
@@ -0,0 +1,232 @@
+/*
+ * Framebuffer driver for EFI/UEFI based system
+ *
+ * (c) 2006 Edgar Hucek <gimli@dark-green.com>
+ * Original efi driver written by Gerd Knorr <kraxel@goldbach.in-berlin.de>
+ *
+ */
+
+#include <linux/module.h>
+#include <linux/kernel.h>
+#include <linux/errno.h>
+#include <linux/fb.h>
+#include <linux/platform_device.h>
+#include <linux/screen_info.h>
+
+#include <video/vga.h>
+
+static struct fb_var_screeninfo efifb_defined __initdata = {
+	.activate		= FB_ACTIVATE_NOW,
+	.height			= -1,
+	.width			= -1,
+	.right_margin		= 32,
+	.upper_margin		= 16,
+	.lower_margin		= 4,
+	.vsync_len		= 4,
+	.vmode			= FB_VMODE_NONINTERLACED,
+};
+
+static struct fb_fix_screeninfo efifb_fix __initdata = {
+	.id			= "EFI VGA",
+	.type			= FB_TYPE_PACKED_PIXELS,
+	.accel			= FB_ACCEL_NONE,
+	.visual			= FB_VISUAL_TRUECOLOR,
+};
+
+static int efifb_setcolreg(unsigned regno, unsigned red, unsigned green,
+			   unsigned blue, unsigned transp,
+			   struct fb_info *info)
+{
+	/*
+	 *  Set a single color register. The values supplied are
+	 *  already rounded down to the hardware's capabilities
+	 *  (according to the entries in the `var' structure). Return
+	 *  != 0 for invalid regno.
+	 */
+
+	if (regno >= info->cmap.len)
+		return 1;
+
+	if (regno < 16) {
+		red   >>= 8;
+		green >>= 8;
+		blue  >>= 8;
+		((u32 *)(info->pseudo_palette))[regno] =
+			(red   << info->var.red.offset)   |
+			(green << info->var.green.offset) |
+			(blue  << info->var.blue.offset);
+	}
+	return 0;
+}
+
+static struct fb_ops efifb_ops = {
+	.owner		= THIS_MODULE,
+	.fb_setcolreg	= efifb_setcolreg,
+	.fb_fillrect	= cfb_fillrect,
+	.fb_copyarea	= cfb_copyarea,
+	.fb_imageblit	= cfb_imageblit,
+};
+
+static int __init efifb_probe(struct platform_device *dev)
+{
+	struct fb_info *info;
+	int err;
+	unsigned int size_vmode;
+	unsigned int size_remap;
+	unsigned int size_total;
+
+	efifb_fix.smem_start = screen_info.lfb_base;
+	efifb_defined.bits_per_pixel = screen_info.lfb_depth;
+	efifb_defined.xres = screen_info.lfb_width;
+	efifb_defined.yres = screen_info.lfb_height;
+	efifb_fix.line_length = screen_info.lfb_linelength;
+
+	/*   size_vmode -- that is the amount of memory needed for the
+	 *                 used video mode, i.e. the minimum amount of
+	 *                 memory we need. */
+	size_vmode = efifb_defined.yres * efifb_fix.line_length;
+
+	/*   size_total -- all video memory we have. Used for
+	 *                 entries, ressource allocation and bounds
+	 *                 checking. */
+	size_total = screen_info.lfb_size;
+	if (size_total < size_vmode)
+		size_total = size_vmode;
+
+	/*   size_remap -- the amount of video memory we are going to
+	 *                 use for efifb.  With modern cards it is no
+	 *                 option to simply use size_total as that
+	 *                 wastes plenty of kernel address space. */
+	size_remap  = size_vmode * 2;
+	if (size_remap < size_vmode)
+		size_remap = size_vmode;
+	if (size_remap > size_total)
+		size_remap = size_total;
+	efifb_fix.smem_len = size_remap;
+
+	if (!request_mem_region(efifb_fix.smem_start, size_total, "efifb"))
+		/* We cannot make this fatal. Sometimes this comes from magic
+		   spaces our resource handlers simply don't know about */
+		printk(KERN_WARNING
+		       "efifb: cannot reserve video memory at 0x%lx\n",
+			efifb_fix.smem_start);
+
+	info = framebuffer_alloc(sizeof(u32) * 16, &dev->dev);
+	if (!info) {
+		err = -ENOMEM;
+		goto err_release_mem;
+	}
+	info->pseudo_palette = info->par;
+	info->par = NULL;
+
+	info->screen_base = ioremap(efifb_fix.smem_start, efifb_fix.smem_len);
+	if (!info->screen_base) {
+		printk(KERN_ERR "efifb: abort, cannot ioremap video memory "
+				"0x%x @ 0x%lx\n",
+			efifb_fix.smem_len, efifb_fix.smem_start);
+		err = -EIO;
+		goto err_unmap;
+	}
+
+	printk(KERN_INFO "efifb: framebuffer at 0x%lx, mapped to 0x%p, "
+	       "using %dk, total %dk\n",
+	       efifb_fix.smem_start, info->screen_base,
+	       size_remap/1024, size_total/1024);
+	printk(KERN_INFO "efifb: mode is %dx%dx%d, linelength=%d, pages=%d\n",
+	       efifb_defined.xres, efifb_defined.yres,
+	       efifb_defined.bits_per_pixel, efifb_fix.line_length,
+	       screen_info.pages);
+
+	efifb_defined.xres_virtual = efifb_defined.xres;
+	efifb_defined.yres_virtual = efifb_fix.smem_len /
+					efifb_fix.line_length;
+	printk(KERN_INFO "efifb: scrolling: redraw\n");
+	efifb_defined.yres_virtual = efifb_defined.yres;
+
+	/* some dummy values for timing to make fbset happy */
+	efifb_defined.pixclock     = 10000000 / efifb_defined.xres *
+					1000 / efifb_defined.yres;
+	efifb_defined.left_margin  = (efifb_defined.xres / 8) & 0xf8;
+	efifb_defined.hsync_len    = (efifb_defined.xres / 8) & 0xf8;
+
+	efifb_defined.red.offset    = screen_info.red_pos;
+	efifb_defined.red.length    = screen_info.red_size;
+	efifb_defined.green.offset  = screen_info.green_pos;
+	efifb_defined.green.length  = screen_info.green_size;
+	efifb_defined.blue.offset   = screen_info.blue_pos;
+	efifb_defined.blue.length   = screen_info.blue_size;
+	efifb_defined.transp.offset = screen_info.rsvd_pos;
+	efifb_defined.transp.length = screen_info.rsvd_size;
+
+	printk(KERN_INFO "efifb: %s: "
+	       "size=%d:%d:%d:%d, shift=%d:%d:%d:%d\n",
+	       "Truecolor",
+	       screen_info.rsvd_size,
+	       screen_info.red_size,
+	       screen_info.green_size,
+	       screen_info.blue_size,
+	       screen_info.rsvd_pos,
+	       screen_info.red_pos,
+	       screen_info.green_pos,
+	       screen_info.blue_pos);
+
+	efifb_fix.ypanstep  = 0;
+	efifb_fix.ywrapstep = 0;
+
+	info->fbops = &efifb_ops;
+	info->var = efifb_defined;
+	info->fix = efifb_fix;
+	info->flags = FBINFO_FLAG_DEFAULT;
+
+	if (fb_alloc_cmap(&info->cmap, 256, 0) < 0) {
+		err = -ENOMEM;
+		goto err_unmap;
+	}
+	if (register_framebuffer(info) < 0) {
+		err = -EINVAL;
+		goto err_fb_dealoc;
+	}
+	printk(KERN_INFO "fb%d: %s frame buffer device\n",
+	       info->node, info->fix.id);
+	return 0;
+
+err_fb_dealoc:
+	fb_dealloc_cmap(&info->cmap);
+err_unmap:
+	iounmap(info->screen_base);
+	framebuffer_release(info);
+err_release_mem:
+	release_mem_region(efifb_fix.smem_start, size_total);
+	return err;
+}
+
+static struct platform_driver efifb_driver = {
+	.probe	= efifb_probe,
+	.driver	= {
+		.name	= "efifb",
+	},
+};
+
+static struct platform_device efifb_device = {
+	.name	= "efifb",
+};
+
+static int __init efifb_init(void)
+{
+	int ret;
+
+	if (screen_info.orig_video_isVGA != VIDEO_TYPE_EFI)
+		return -ENODEV;
+
+	ret = platform_driver_register(&efifb_driver);
+
+	if (!ret) {
+		ret = platform_device_register(&efifb_device);
+		if (ret)
+			platform_driver_unregister(&efifb_driver);
+	}
+	return ret;
+}
+module_init(efifb_init);
+
+MODULE_LICENSE("GPL");
diff --git a/drivers/video/fb_ddc.c b/drivers/video/fb_ddc.c
index f836137a0eda..a0df63289b5f 100644
--- a/drivers/video/fb_ddc.c
+++ b/drivers/video/fb_ddc.c
@@ -56,13 +56,12 @@ unsigned char *fb_ddc_read(struct i2c_adapter *adapter)
 	int i, j;
 
 	algo_data->setscl(algo_data->data, 1);
-	algo_data->setscl(algo_data->data, 0);
 
 	for (i = 0; i < 3; i++) {
 		/* For some old monitors we need the
 		 * following process to initialize/stop DDC
 		 */
-		algo_data->setsda(algo_data->data, 0);
+		algo_data->setsda(algo_data->data, 1);
 		msleep(13);
 
 		algo_data->setscl(algo_data->data, 1);
@@ -97,14 +96,15 @@ unsigned char *fb_ddc_read(struct i2c_adapter *adapter)
 		algo_data->setsda(algo_data->data, 1);
 		msleep(15);
 		algo_data->setscl(algo_data->data, 0);
+		algo_data->setsda(algo_data->data, 0);
 		if (edid)
 			break;
 	}
 	/* Release the DDC lines when done or the Apple Cinema HD display
 	 * will switch off
 	 */
-	algo_data->setsda(algo_data->data, 0);
-	algo_data->setscl(algo_data->data, 0);
+	algo_data->setsda(algo_data->data, 1);
+	algo_data->setscl(algo_data->data, 1);
 
 	return edid;
 }
diff --git a/drivers/video/imacfb.c b/drivers/video/imacfb.c
index 6455fd2a39f2..9366ef2bb5f7 100644
--- a/drivers/video/imacfb.c
+++ b/drivers/video/imacfb.c
@@ -234,10 +234,6 @@ static int __init imacfb_probe(struct platform_device *dev)
 		size_remap = size_total;
 	imacfb_fix.smem_len = size_remap;
 
-#ifndef __i386__
-	screen_info.imacpm_seg = 0;
-#endif
-
 	if (!request_mem_region(imacfb_fix.smem_start, size_total, "imacfb")) {
 		printk(KERN_WARNING
 		       "imacfb: cannot reserve video memory at 0x%lx\n",
diff --git a/drivers/video/ps3fb.c b/drivers/video/ps3fb.c
index 75836aa83191..9c56c492a693 100644
--- a/drivers/video/ps3fb.c
+++ b/drivers/video/ps3fb.c
@@ -51,7 +51,6 @@
 #define L1GPU_DISPLAY_SYNC_HSYNC		1
 #define L1GPU_DISPLAY_SYNC_VSYNC		2
 
-#define DDR_SIZE				(0)	/* used no ddr */
 #define GPU_CMD_BUF_SIZE			(64 * 1024)
 #define GPU_IOIF				(0x0d000000UL)
 #define GPU_ALIGN_UP(x)				_ALIGN_UP((x), 64)
@@ -1060,6 +1059,7 @@ static int __devinit ps3fb_probe(struct ps3_system_bus_device *dev)
 	u64 xdr_lpar;
 	int status, res_index;
 	struct task_struct *task;
+	unsigned long max_ps3fb_size;
 
 	status = ps3_open_hv_device(dev);
 	if (status) {
@@ -1085,8 +1085,15 @@ static int __devinit ps3fb_probe(struct ps3_system_bus_device *dev)
 
 	ps3fb_set_sync(&dev->core);
 
+	max_ps3fb_size = _ALIGN_UP(GPU_IOIF, 256*1024*1024) - GPU_IOIF;
+	if (ps3fb_videomemory.size > max_ps3fb_size) {
+		dev_info(&dev->core, "Limiting ps3fb mem size to %lu bytes\n",
+			 max_ps3fb_size);
+		ps3fb_videomemory.size = max_ps3fb_size;
+	}
+
 	/* get gpu context handle */
-	status = lv1_gpu_memory_allocate(DDR_SIZE, 0, 0, 0, 0,
+	status = lv1_gpu_memory_allocate(ps3fb_videomemory.size, 0, 0, 0, 0,
 					 &ps3fb.memory_handle, &ddr_lpar);
 	if (status) {
 		dev_err(&dev->core, "%s: lv1_gpu_memory_allocate failed: %d\n",
diff --git a/drivers/virtio/virtio.c b/drivers/virtio/virtio.c
index 15d7787dea87..69d7ea02cd48 100644
--- a/drivers/virtio/virtio.c
+++ b/drivers/virtio/virtio.c
@@ -96,10 +96,23 @@ static int virtio_dev_probe(struct device *_d)
 	return err;
 }
 
+static int virtio_dev_remove(struct device *_d)
+{
+	struct virtio_device *dev = container_of(_d,struct virtio_device,dev);
+	struct virtio_driver *drv = container_of(dev->dev.driver,
+						 struct virtio_driver, driver);
+
+	dev->config->set_status(dev, dev->config->get_status(dev)
+				& ~VIRTIO_CONFIG_S_DRIVER);
+	drv->remove(dev);
+	return 0;
+}
+
 int register_virtio_driver(struct virtio_driver *driver)
 {
 	driver->driver.bus = &virtio_bus;
 	driver->driver.probe = virtio_dev_probe;
+	driver->driver.remove = virtio_dev_remove;
 	return driver_register(&driver->driver);
 }
 EXPORT_SYMBOL_GPL(register_virtio_driver);
diff --git a/drivers/zorro/zorro-driver.c b/drivers/zorro/zorro-driver.c
index 067c07be928c..e6c4390d8bd6 100644
--- a/drivers/zorro/zorro-driver.c
+++ b/drivers/zorro/zorro-driver.c
@@ -60,6 +60,20 @@ static int zorro_device_probe(struct device *dev)
 }
 
 
+static int zorro_device_remove(struct device *dev)
+{
+	struct zorro_dev *z = to_zorro_dev(dev);
+	struct zorro_driver *drv = to_zorro_driver(dev->driver);
+
+	if (drv) {
+		if (drv->remove)
+			drv->remove(z);
+		z->driver = NULL;
+	}
+	return 0;
+}
+
+
     /**
      *  zorro_register_driver - register a new Zorro driver
      *  @drv: the driver structure to register
@@ -128,6 +142,7 @@ struct bus_type zorro_bus_type = {
 	.name	= "zorro",
 	.match	= zorro_bus_match,
 	.probe	= zorro_device_probe,
+	.remove	= zorro_device_remove,
 };
author	Jeff Garzik <jeff@garzik.org>	2007-12-01 16:18:56 -0500
committer	Jeff Garzik <jeff@garzik.org>	2007-12-01 16:18:56 -0500
commit	c99da91e7a12724127475a85cc7a38214b3504e2 (patch)
tree	de0eb3fe32ce58804457963fd133a53bb8fba5b8 /drivers
parent	a31e23e15cbb9734c5883a4a7f58d8712d303e0b (diff)
parent	92d499d991ec4f5cbd00d6f33967eab9d3ee8d6c (diff)