Merge branch 'release' of git://git.kernel.org/pub/scm/linux/kernel/git/lenb/linux-acpi-2.6

* 'release' of git://git.kernel.org/pub/scm/linux/kernel/git/lenb/linux-acpi-2.6:
  ACPI: invoke DSDT corruption workaround on all Toshiba Satellite
  ACPI, APEI, Fix ERST MOVE_DATA instruction implementation
  ACPI: fan: Fix more unbalanced code block
  ACPI: acpi_pad: simplify code to avoid false gcc build warning
  ACPI, APEI, Fix error path for memory allocation
  ACPI, APEI, HEST Fix the unsuitable usage of platform_data
  ACPI, APEI, Fix acpi_pre_map() return value
  ACPI, APEI, Fix APEI related table size checking
  ACPI: Disable Windows Vista compatibility for Toshiba P305D
  ACPI: Kconfig: fix typo.
  ACPI: add missing __percpu markup in arch/x86/kernel/acpi/cstate.c
  ACPI: Fix typos
  ACPI video: fix a poor warning message
  ACPI: fix build warnings resulting from merge window conflict
  ACPI: EC: add Vista incompatibility DMI entry for Toshiba Satellite L355
  ACPI: expand Vista blacklist to include SP1 and SP2
  ACPI: delete ZEPTO idle=nomwait DMI quirk
  ACPI: enable repeated PCIEXP wakeup by clearing PCIEXP_WAKE_STS on resume
  PM / ACPI: Blacklist systems known to require acpi_sleep=nonvs
  ACPI: Don't report current_now if battery reports in mWh

24 files changed, 153 insertions, 76 deletions

diff --git a/arch/x86/kernel/acpi/cstate.c b/arch/x86/kernel/acpi/cstate.c
index fb7a5f0..fb16f17 100644
--- a/arch/x86/kernel/acpi/cstate.c
+++ b/arch/x86/kernel/acpi/cstate.c
@@ -61,7 +61,7 @@ struct cstate_entry {
 		unsigned int ecx;
 	} states[ACPI_PROCESSOR_MAX_POWER];
 };
-static struct cstate_entry *cpu_cstate_entry;	/* per CPU ptr */
+static struct cstate_entry __percpu *cpu_cstate_entry;	/* per CPU ptr */
 
 static short mwait_supported[ACPI_PROCESSOR_MAX_POWER];
 
diff --git a/drivers/acpi/Kconfig b/drivers/acpi/Kconfig
index b811f21..88681ac 100644
--- a/drivers/acpi/Kconfig
+++ b/drivers/acpi/Kconfig
@@ -105,7 +105,7 @@ config ACPI_EC_DEBUGFS
 
 	  Be aware that using this interface can confuse your Embedded
 	  Controller in a way that a normal reboot is not enough. You then
-	  have to power of your system, and remove the laptop battery for
+	  have to power off your system, and remove the laptop battery for
 	  some seconds.
 	  An Embedded Controller typically is available on laptops and reads
 	  sensor values like battery state and temperature.
diff --git a/drivers/acpi/acpi_pad.c b/drivers/acpi/acpi_pad.c
index b76848c..6b115f6 100644
--- a/drivers/acpi/acpi_pad.c
+++ b/drivers/acpi/acpi_pad.c
@@ -382,31 +382,32 @@ static void acpi_pad_remove_sysfs(struct acpi_device *device)
 	device_remove_file(&device->dev, &dev_attr_rrtime);
 }
 
-/* Query firmware how many CPUs should be idle */
-static int acpi_pad_pur(acpi_handle handle, int *num_cpus)
+/*
+ * Query firmware how many CPUs should be idle
+ * return -1 on failure
+ */
+static int acpi_pad_pur(acpi_handle handle)
 {
 	struct acpi_buffer buffer = {ACPI_ALLOCATE_BUFFER, NULL};
 	union acpi_object *package;
-	int rev, num, ret = -EINVAL;
+	int num = -1;
 
 	if (ACPI_FAILURE(acpi_evaluate_object(handle, "_PUR", NULL, &buffer)))
-		return -EINVAL;
+		return num;
 
 	if (!buffer.length || !buffer.pointer)
-		return -EINVAL;
+		return num;
 
 	package = buffer.pointer;
-	if (package->type != ACPI_TYPE_PACKAGE || package->package.count != 2)
-		goto out;
-	rev = package->package.elements[0].integer.value;
-	num = package->package.elements[1].integer.value;
-	if (rev != 1 || num < 0)
-		goto out;
-	*num_cpus = num;
-	ret = 0;
-out:
+
+	if (package->type == ACPI_TYPE_PACKAGE &&
+		package->package.count == 2 &&
+		package->package.elements[0].integer.value == 1) /* rev 1 */
+
+		num = package->package.elements[1].integer.value;
+
 	kfree(buffer.pointer);
-	return ret;
+	return num;
 }
 
 /* Notify firmware how many CPUs are idle */
@@ -433,7 +434,8 @@ static void acpi_pad_handle_notify(acpi_handle handle)
 	uint32_t idle_cpus;
 
 	mutex_lock(&isolated_cpus_lock);
-	if (acpi_pad_pur(handle, &num_cpus)) {
+	num_cpus = acpi_pad_pur(handle);
+	if (num_cpus < 0) {
 		mutex_unlock(&isolated_cpus_lock);
 		return;
 	}
diff --git a/drivers/acpi/acpica/aclocal.h b/drivers/acpi/acpica/aclocal.h
index df85b53..7dad916 100644
--- a/drivers/acpi/acpica/aclocal.h
+++ b/drivers/acpi/acpica/aclocal.h
@@ -854,6 +854,7 @@ struct acpi_bit_register_info {
 	ACPI_BITMASK_POWER_BUTTON_STATUS   | \
 	ACPI_BITMASK_SLEEP_BUTTON_STATUS   | \
 	ACPI_BITMASK_RT_CLOCK_STATUS       | \
+	ACPI_BITMASK_PCIEXP_WAKE_DISABLE   | \
 	ACPI_BITMASK_WAKE_STATUS)
 
 #define ACPI_BITMASK_TIMER_ENABLE               0x0001
diff --git a/drivers/acpi/acpica/exutils.c b/drivers/acpi/acpica/exutils.c
index 74c24d5..4093522 100644
--- a/drivers/acpi/acpica/exutils.c
+++ b/drivers/acpi/acpica/exutils.c
@@ -109,7 +109,7 @@ void acpi_ex_enter_interpreter(void)
  *
  * DESCRIPTION: Reacquire the interpreter execution region from within the
  *              interpreter code. Failure to enter the interpreter region is a
- *              fatal system error. Used in  conjuction with
+ *              fatal system error. Used in  conjunction with
  *              relinquish_interpreter
  *
  ******************************************************************************/
diff --git a/drivers/acpi/acpica/rsutils.c b/drivers/acpi/acpica/rsutils.c
index 22cfcfb..491191e 100644
--- a/drivers/acpi/acpica/rsutils.c
+++ b/drivers/acpi/acpica/rsutils.c
@@ -149,7 +149,7 @@ acpi_rs_move_data(void *destination, void *source, u16 item_count, u8 move_type)
 
 			/*
 			 * 16-, 32-, and 64-bit cases must use the move macros that perform
-			 * endian conversion and/or accomodate hardware that cannot perform
+			 * endian conversion and/or accommodate hardware that cannot perform
 			 * misaligned memory transfers
 			 */
 		case ACPI_RSC_MOVE16:
diff --git a/drivers/acpi/apei/Kconfig b/drivers/acpi/apei/Kconfig
index 907e350..fca34cc 100644
--- a/drivers/acpi/apei/Kconfig
+++ b/drivers/acpi/apei/Kconfig
@@ -34,6 +34,6 @@ config ACPI_APEI_ERST_DEBUG
 	depends on ACPI_APEI
 	help
 	  ERST is a way provided by APEI to save and retrieve hardware
-	  error infomation to and from a persistent store. Enable this
+	  error information to and from a persistent store. Enable this
 	  if you want to debugging and testing the ERST kernel support
 	  and firmware implementation.
diff --git a/drivers/acpi/apei/apei-base.c b/drivers/acpi/apei/apei-base.c
index 73fd0c7..4a904a4 100644
--- a/drivers/acpi/apei/apei-base.c
+++ b/drivers/acpi/apei/apei-base.c
@@ -445,11 +445,15 @@ EXPORT_SYMBOL_GPL(apei_resources_sub);
 int apei_resources_request(struct apei_resources *resources,
 			   const char *desc)
 {
-	struct apei_res *res, *res_bak;
+	struct apei_res *res, *res_bak = NULL;
 	struct resource *r;
+	int rc;
 
-	apei_resources_sub(resources, &apei_resources_all);
+	rc = apei_resources_sub(resources, &apei_resources_all);
+	if (rc)
+		return rc;
 
+	rc = -EINVAL;
 	list_for_each_entry(res, &resources->iomem, list) {
 		r = request_mem_region(res->start, res->end - res->start,
 				       desc);
@@ -475,7 +479,11 @@ int apei_resources_request(struct apei_resources *resources,
 		}
 	}
 
-	apei_resources_merge(&apei_resources_all, resources);
+	rc = apei_resources_merge(&apei_resources_all, resources);
+	if (rc) {
+		pr_err(APEI_PFX "Fail to merge resources!\n");
+		goto err_unmap_ioport;
+	}
 
 	return 0;
 err_unmap_ioport:
@@ -491,12 +499,13 @@ err_unmap_iomem:
 			break;
 		release_mem_region(res->start, res->end - res->start);
 	}
-	return -EINVAL;
+	return rc;
 }
 EXPORT_SYMBOL_GPL(apei_resources_request);
 
 void apei_resources_release(struct apei_resources *resources)
 {
+	int rc;
 	struct apei_res *res;
 
 	list_for_each_entry(res, &resources->iomem, list)
@@ -504,7 +513,9 @@ void apei_resources_release(struct apei_resources *resources)
 	list_for_each_entry(res, &resources->ioport, list)
 		release_region(res->start, res->end - res->start);
 
-	apei_resources_sub(&apei_resources_all, resources);
+	rc = apei_resources_sub(&apei_resources_all, resources);
+	if (rc)
+		pr_err(APEI_PFX "Fail to sub resources!\n");
 }
 EXPORT_SYMBOL_GPL(apei_resources_release);
 
diff --git a/drivers/acpi/apei/einj.c b/drivers/acpi/apei/einj.c
index 465c885..cf29df6 100644
--- a/drivers/acpi/apei/einj.c
+++ b/drivers/acpi/apei/einj.c
@@ -426,7 +426,9 @@ DEFINE_SIMPLE_ATTRIBUTE(error_inject_fops, NULL,
 
 static int einj_check_table(struct acpi_table_einj *einj_tab)
 {
-	if (einj_tab->header_length != sizeof(struct acpi_table_einj))
+	if ((einj_tab->header_length !=
+	     (sizeof(struct acpi_table_einj) - sizeof(einj_tab->header)))
+	    && (einj_tab->header_length != sizeof(struct acpi_table_einj)))
 		return -EINVAL;
 	if (einj_tab->header.length < sizeof(struct acpi_table_einj))
 		return -EINVAL;
diff --git a/drivers/acpi/apei/erst-dbg.c b/drivers/acpi/apei/erst-dbg.c
index 5281ddd..da1228a 100644
--- a/drivers/acpi/apei/erst-dbg.c
+++ b/drivers/acpi/apei/erst-dbg.c
@@ -2,7 +2,7 @@
  * APEI Error Record Serialization Table debug support
  *
  * ERST is a way provided by APEI to save and retrieve hardware error
- * infomation to and from a persistent store. This file provide the
+ * information to and from a persistent store. This file provide the
  * debugging/testing support for ERST kernel support and firmware
  * implementation.
  *
@@ -111,11 +111,13 @@ retry:
 		goto out;
 	}
 	if (len > erst_dbg_buf_len) {
-		kfree(erst_dbg_buf);
+		void *p;
 		rc = -ENOMEM;
-		erst_dbg_buf = kmalloc(len, GFP_KERNEL);
-		if (!erst_dbg_buf)
+		p = kmalloc(len, GFP_KERNEL);
+		if (!p)
 			goto out;
+		kfree(erst_dbg_buf);
+		erst_dbg_buf = p;
 		erst_dbg_buf_len = len;
 		goto retry;
 	}
@@ -150,11 +152,13 @@ static ssize_t erst_dbg_write(struct file *filp, const char __user *ubuf,
 	if (mutex_lock_interruptible(&erst_dbg_mutex))
 		return -EINTR;
 	if (usize > erst_dbg_buf_len) {
-		kfree(erst_dbg_buf);
+		void *p;
 		rc = -ENOMEM;
-		erst_dbg_buf = kmalloc(usize, GFP_KERNEL);
-		if (!erst_dbg_buf)
+		p = kmalloc(usize, GFP_KERNEL);
+		if (!p)
 			goto out;
+		kfree(erst_dbg_buf);
+		erst_dbg_buf = p;
 		erst_dbg_buf_len = usize;
 	}
 	rc = copy_from_user(erst_dbg_buf, ubuf, usize);
diff --git a/drivers/acpi/apei/erst.c b/drivers/acpi/apei/erst.c
index 18645f4..1211c03 100644
--- a/drivers/acpi/apei/erst.c
+++ b/drivers/acpi/apei/erst.c
@@ -2,7 +2,7 @@
  * APEI Error Record Serialization Table support
  *
  * ERST is a way provided by APEI to save and retrieve hardware error
- * infomation to and from a persistent store.
+ * information to and from a persistent store.
  *
  * For more information about ERST, please refer to ACPI Specification
  * version 4.0, section 17.4.
@@ -266,13 +266,30 @@ static int erst_exec_move_data(struct apei_exec_context *ctx,
 {
 	int rc;
 	u64 offset;
+	void *src, *dst;
+
+	/* ioremap does not work in interrupt context */
+	if (in_interrupt()) {
+		pr_warning(ERST_PFX
+			   "MOVE_DATA can not be used in interrupt context");
+		return -EBUSY;
+	}
 
 	rc = __apei_exec_read_register(entry, &offset);
 	if (rc)
 		return rc;
-	memmove((void *)ctx->dst_base + offset,
-		(void *)ctx->src_base + offset,
-		ctx->var2);
+
+	src = ioremap(ctx->src_base + offset, ctx->var2);
+	if (!src)
+		return -ENOMEM;
+	dst = ioremap(ctx->dst_base + offset, ctx->var2);
+	if (!dst)
+		return -ENOMEM;
+
+	memmove(dst, src, ctx->var2);
+
+	iounmap(src);
+	iounmap(dst);
 
 	return 0;
 }
@@ -750,7 +767,9 @@ __setup("erst_disable", setup_erst_disable);
 
 static int erst_check_table(struct acpi_table_erst *erst_tab)
 {
-	if (erst_tab->header_length != sizeof(struct acpi_table_erst))
+	if ((erst_tab->header_length !=
+	     (sizeof(struct acpi_table_erst) - sizeof(erst_tab->header)))
+	    && (erst_tab->header_length != sizeof(struct acpi_table_einj)))
 		return -EINVAL;
 	if (erst_tab->header.length < sizeof(struct acpi_table_erst))
 		return -EINVAL;
diff --git a/drivers/acpi/apei/ghes.c b/drivers/acpi/apei/ghes.c
index 385a605..0d505e5 100644
--- a/drivers/acpi/apei/ghes.c
+++ b/drivers/acpi/apei/ghes.c
@@ -302,7 +302,7 @@ static int __devinit ghes_probe(struct platform_device *ghes_dev)
 	struct ghes *ghes = NULL;
 	int rc = -EINVAL;
 
-	generic = ghes_dev->dev.platform_data;
+	generic = *(struct acpi_hest_generic **)ghes_dev->dev.platform_data;
 	if (!generic->enabled)
 		return -ENODEV;
 
diff --git a/drivers/acpi/apei/hest.c b/drivers/acpi/apei/hest.c
index 343168d..1a3508a 100644
--- a/drivers/acpi/apei/hest.c
+++ b/drivers/acpi/apei/hest.c
@@ -137,20 +137,23 @@ static int hest_parse_ghes_count(struct acpi_hest_header *hest_hdr, void *data)
 
 static int hest_parse_ghes(struct acpi_hest_header *hest_hdr, void *data)
 {
-	struct acpi_hest_generic *generic;
 	struct platform_device *ghes_dev;
 	struct ghes_arr *ghes_arr = data;
 	int rc;
 
 	if (hest_hdr->type != ACPI_HEST_TYPE_GENERIC_ERROR)
 		return 0;
-	generic = (struct acpi_hest_generic *)hest_hdr;
-	if (!generic->enabled)
+
+	if (!((struct acpi_hest_generic *)hest_hdr)->enabled)
 		return 0;
 	ghes_dev = platform_device_alloc("GHES", hest_hdr->source_id);
 	if (!ghes_dev)
 		return -ENOMEM;
-	ghes_dev->dev.platform_data = generic;
+
+	rc = platform_device_add_data(ghes_dev, &hest_hdr, sizeof(void *));
+	if (rc)
+		goto err;
+
 	rc = platform_device_add(ghes_dev);
 	if (rc)
 		goto err;
diff --git a/drivers/acpi/atomicio.c b/drivers/acpi/atomicio.c
index 8f8bd73..542e539 100644
--- a/drivers/acpi/atomicio.c
+++ b/drivers/acpi/atomicio.c
@@ -142,7 +142,7 @@ static void __iomem *acpi_pre_map(phys_addr_t paddr,
 	list_add_tail_rcu(&map->list, &acpi_iomaps);
 	spin_unlock_irqrestore(&acpi_iomaps_lock, flags);
 
-	return vaddr + (paddr - pg_off);
+	return map->vaddr + (paddr - map->paddr);
 err_unmap:
 	iounmap(vaddr);
 	return NULL;
diff --git a/drivers/acpi/battery.c b/drivers/acpi/battery.c
index dc58402..9841720 100644
--- a/drivers/acpi/battery.c
+++ b/drivers/acpi/battery.c
@@ -273,7 +273,6 @@ static enum power_supply_property energy_battery_props[] = {
 	POWER_SUPPLY_PROP_CYCLE_COUNT,
 	POWER_SUPPLY_PROP_VOLTAGE_MIN_DESIGN,
 	POWER_SUPPLY_PROP_VOLTAGE_NOW,
-	POWER_SUPPLY_PROP_CURRENT_NOW,
 	POWER_SUPPLY_PROP_POWER_NOW,
 	POWER_SUPPLY_PROP_ENERGY_FULL_DESIGN,
 	POWER_SUPPLY_PROP_ENERGY_FULL,
diff --git a/drivers/acpi/blacklist.c b/drivers/acpi/blacklist.c
index 2bb28b9..f761960 100644
--- a/drivers/acpi/blacklist.c
+++ b/drivers/acpi/blacklist.c
@@ -183,6 +183,8 @@ static int __init dmi_disable_osi_vista(const struct dmi_system_id *d)
 {
 	printk(KERN_NOTICE PREFIX "DMI detected: %s\n", d->ident);
 	acpi_osi_setup("!Windows 2006");
+	acpi_osi_setup("!Windows 2006 SP1");
+	acpi_osi_setup("!Windows 2006 SP2");
 	return 0;
 }
 static int __init dmi_disable_osi_win7(const struct dmi_system_id *d)
@@ -226,6 +228,14 @@ static struct dmi_system_id acpi_osi_dmi_table[] __initdata = {
 		},
 	},
 	{
+	.callback = dmi_disable_osi_vista,
+	.ident = "Toshiba Satellite L355",
+	.matches = {
+		     DMI_MATCH(DMI_SYS_VENDOR, "TOSHIBA"),
+		     DMI_MATCH(DMI_PRODUCT_VERSION, "Satellite L355"),
+		},
+	},
+	{
 	.callback = dmi_disable_osi_win7,
 	.ident = "ASUS K50IJ",
 	.matches = {
@@ -233,6 +243,14 @@ static struct dmi_system_id acpi_osi_dmi_table[] __initdata = {
 		     DMI_MATCH(DMI_PRODUCT_NAME, "K50IJ"),
 		},
 	},
+	{
+	.callback = dmi_disable_osi_vista,
+	.ident = "Toshiba P305D",
+	.matches = {
+		     DMI_MATCH(DMI_SYS_VENDOR, "TOSHIBA"),
+		     DMI_MATCH(DMI_PRODUCT_NAME, "Satellite P305D"),
+		},
+	},
 
 	/*
 	 * BIOS invocation of _OSI(Linux) is almost always a BIOS bug.
diff --git a/drivers/acpi/bus.c b/drivers/acpi/bus.c
index 5c221ab..310e3b9 100644
--- a/drivers/acpi/bus.c
+++ b/drivers/acpi/bus.c
@@ -55,7 +55,7 @@ EXPORT_SYMBOL(acpi_root_dir);
 static int set_power_nocheck(const struct dmi_system_id *id)
 {
 	printk(KERN_NOTICE PREFIX "%s detected - "
-		"disable power check in power transistion\n", id->ident);
+		"disable power check in power transition\n", id->ident);
 	acpi_power_nocheck = 1;
 	return 0;
 }
@@ -80,23 +80,15 @@ static int set_copy_dsdt(const struct dmi_system_id *id)
 
 static struct dmi_system_id dsdt_dmi_table[] __initdata = {
 	/*
-	 * Insyde BIOS on some TOSHIBA machines corrupt the DSDT.
+	 * Invoke DSDT corruption work-around on all Toshiba Satellite.
 	 * https://bugzilla.kernel.org/show_bug.cgi?id=14679
 	 */
 	{
 	 .callback = set_copy_dsdt,
-	 .ident = "TOSHIBA Satellite A505",
+	 .ident = "TOSHIBA Satellite",
 	 .matches = {
 		DMI_MATCH(DMI_SYS_VENDOR, "TOSHIBA"),
-		DMI_MATCH(DMI_PRODUCT_NAME, "Satellite A505"),
-		},
-	},
-	{
-	 .callback = set_copy_dsdt,
-	 .ident = "TOSHIBA Satellite L505D",
-	 .matches = {
-		DMI_MATCH(DMI_SYS_VENDOR, "TOSHIBA"),
-		DMI_MATCH(DMI_PRODUCT_NAME, "Satellite L505D"),
+		DMI_MATCH(DMI_PRODUCT_NAME, "Satellite"),
 		},
 	},
 	{}
@@ -1027,7 +1019,7 @@ static int __init acpi_init(void)
 
 	/*
 	 * If the laptop falls into the DMI check table, the power state check
-	 * will be disabled in the course of device power transistion.
+	 * will be disabled in the course of device power transition.
 	 */
 	dmi_check_system(power_nocheck_dmi_table);
 
diff --git a/drivers/acpi/fan.c b/drivers/acpi/fan.c
index 8a3b840..d94d295 100644
--- a/drivers/acpi/fan.c
+++ b/drivers/acpi/fan.c
@@ -369,7 +369,9 @@ static void __exit acpi_fan_exit(void)
 
 	acpi_bus_unregister_driver(&acpi_fan_driver);
 
+#ifdef CONFIG_ACPI_PROCFS
 	remove_proc_entry(ACPI_FAN_CLASS, acpi_root_dir);
+#endif
 
 	return;
 }
diff --git a/drivers/acpi/processor_core.c b/drivers/acpi/processor_core.c
index e9699aae..b618f88 100644
--- a/drivers/acpi/processor_core.c
+++ b/drivers/acpi/processor_core.c
@@ -29,12 +29,6 @@ static int set_no_mwait(const struct dmi_system_id *id)
 
 static struct dmi_system_id __cpuinitdata processor_idle_dmi_table[] = {
 	{
-	set_no_mwait, "IFL91 board", {
-	DMI_MATCH(DMI_BIOS_VENDOR, "COMPAL"),
-	DMI_MATCH(DMI_SYS_VENDOR, "ZEPTO"),
-	DMI_MATCH(DMI_PRODUCT_VERSION, "3215W"),
-	DMI_MATCH(DMI_BOARD_NAME, "IFL91") }, NULL},
-	{
 	set_no_mwait, "Extensa 5220", {
 	DMI_MATCH(DMI_BIOS_VENDOR, "Phoenix Technologies LTD"),
 	DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
diff --git a/drivers/acpi/processor_perflib.c b/drivers/acpi/processor_perflib.c
index ba1bd26..3a73a93 100644
--- a/drivers/acpi/processor_perflib.c
+++ b/drivers/acpi/processor_perflib.c
@@ -447,8 +447,8 @@ int acpi_processor_notify_smm(struct module *calling_module)
 	if (!try_module_get(calling_module))
 		return -EINVAL;
 
-	/* is_done is set to negative if an error occured,
-	 * and to postitive if _no_ error occured, but SMM
+	/* is_done is set to negative if an error occurred,
+	 * and to postitive if _no_ error occurred, but SMM
 	 * was already notified. This avoids double notification
 	 * which might lead to unexpected results...
 	 */
diff --git a/drivers/acpi/sleep.c b/drivers/acpi/sleep.c
index cf82989..4754ff6 100644
--- a/drivers/acpi/sleep.c
+++ b/drivers/acpi/sleep.c
@@ -363,6 +363,12 @@ static int __init init_old_suspend_ordering(const struct dmi_system_id *d)
 	return 0;
 }
 
+static int __init init_nvs_nosave(const struct dmi_system_id *d)
+{
+	acpi_nvs_nosave();
+	return 0;
+}
+
 static struct dmi_system_id __initdata acpisleep_dmi_table[] = {
 	{
 	.callback = init_old_suspend_ordering,
@@ -397,6 +403,22 @@ static struct dmi_system_id __initdata acpisleep_dmi_table[] = {
 		DMI_MATCH(DMI_BOARD_NAME, "CF51-2L"),
 		},
 	},
+	{
+	.callback = init_nvs_nosave,
+	.ident = "Sony Vaio VGN-SR11M",
+	.matches = {
+		DMI_MATCH(DMI_SYS_VENDOR, "Sony Corporation"),
+		DMI_MATCH(DMI_PRODUCT_NAME, "VGN-SR11M"),
+		},
+	},
+	{
+	.callback = init_nvs_nosave,
+	.ident = "Everex StepNote Series",
+	.matches = {
+		DMI_MATCH(DMI_SYS_VENDOR, "Everex Systems, Inc."),
+		DMI_MATCH(DMI_PRODUCT_NAME, "Everex StepNote Series"),
+		},
+	},
 	{},
 };
 #endif /* CONFIG_SUSPEND */
diff --git a/drivers/acpi/sysfs.c b/drivers/acpi/sysfs.c
index 68e2e45..f8588f8 100644
--- a/drivers/acpi/sysfs.c
+++ b/drivers/acpi/sysfs.c
@@ -100,7 +100,7 @@ static const struct acpi_dlevel acpi_debug_levels[] = {
 	ACPI_DEBUG_INIT(ACPI_LV_EVENTS),
 };
 
-static int param_get_debug_layer(char *buffer, struct kernel_param *kp)
+static int param_get_debug_layer(char *buffer, const struct kernel_param *kp)
 {
 	int result = 0;
 	int i;
@@ -128,7 +128,7 @@ static int param_get_debug_layer(char *buffer, struct kernel_param *kp)
 	return result;
 }
 
-static int param_get_debug_level(char *buffer, struct kernel_param *kp)
+static int param_get_debug_level(char *buffer, const struct kernel_param *kp)
 {
 	int result = 0;
 	int i;
@@ -149,10 +149,18 @@ static int param_get_debug_level(char *buffer, struct kernel_param *kp)
 	return result;
 }
 
-module_param_call(debug_layer, param_set_uint, param_get_debug_layer,
-		  &acpi_dbg_layer, 0644);
-module_param_call(debug_level, param_set_uint, param_get_debug_level,
-		  &acpi_dbg_level, 0644);
+static struct kernel_param_ops param_ops_debug_layer = {
+	.set = param_set_uint,
+	.get = param_get_debug_layer,
+};
+
+static struct kernel_param_ops param_ops_debug_level = {
+	.set = param_set_uint,
+	.get = param_get_debug_level,
+};
+
+module_param_cb(debug_layer, &param_ops_debug_layer, &acpi_dbg_layer, 0644);
+module_param_cb(debug_level, &param_ops_debug_level, &acpi_dbg_level, 0644);
 
 static char trace_method_name[6];
 module_param_string(trace_method_name, trace_method_name, 6, 0644);
diff --git a/drivers/acpi/video_detect.c b/drivers/acpi/video_detect.c
index c5fef01..b836761 100644
--- a/drivers/acpi/video_detect.c
+++ b/drivers/acpi/video_detect.c
@@ -59,8 +59,8 @@ acpi_backlight_cap_match(acpi_handle handle, u32 level, void *context,
 				  "support\n"));
 		*cap |= ACPI_VIDEO_BACKLIGHT;
 		if (ACPI_FAILURE(acpi_get_handle(handle, "_BQC", &h_dummy)))
-			printk(KERN_WARNING FW_BUG PREFIX "ACPI brightness "
-					"control misses _BQC function\n");
+			printk(KERN_WARNING FW_BUG PREFIX "No _BQC method, "
+				"cannot determine initial brightness\n");
 		/* We have backlight support, no need to scan further */
 		return AE_CTRL_TERMINATE;
 	}
diff --git a/include/acpi/acpixf.h b/include/acpi/acpixf.h
index c0786d4..984cdc6 100644
--- a/include/acpi/acpixf.h
+++ b/include/acpi/acpixf.h
@@ -55,7 +55,7 @@
 extern u8 acpi_gbl_permanent_mmap;
 
 /*
- * Globals that are publically available, allowing for
+ * Globals that are publicly available, allowing for
  * run time configuration
  */
 extern u32 acpi_dbg_level;