diff --git a/[refs] b/[refs]
index 2fbc0a968e2b..83a81729f466 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 9443d7c93499e2b4bd37d30c09e8ac3aa4208466
+refs/heads/master: 4d6bd5ea4ec4991901a8cf5a586babef68e1fa3f
diff --git a/trunk/drivers/acpi/asus_acpi.c b/trunk/drivers/acpi/asus_acpi.c
index c7ac9297a204..e9ee4c52a5f6 100644
--- a/trunk/drivers/acpi/asus_acpi.c
+++ b/trunk/drivers/acpi/asus_acpi.c
@@ -138,7 +138,6 @@ struct asus_hotk {
 		S2x,		//S200 (J1 reported), Victor MP-XP7210
 		W1N,		//W1000N
 		W5A,		//W5A
-		W3V,            //W3030V
 		xxN,		//M2400N, M3700N, M5200N, M6800N, S1300N, S5200N
 		//(Centrino)
 		END_MODEL
@@ -377,17 +376,6 @@ static struct model_data model_conf[END_MODEL] = {
 	 .display_get = "\\ADVG"},
 
 	{
-	 .name = "W3V",
-	 .mt_mled = "MLED",
-	 .mt_wled = "WLED",
-	 .mt_lcd_switch = xxN_PREFIX "_Q10",
-	 .lcd_status = "\\BKLT",
-	 .brightness_set = "SPLV",
-	 .brightness_get = "GPLV",
-	 .display_set = "SDSP",
-	 .display_get = "\\INFB"},
-
-       {
 	 .name = "xxN",
 	 .mt_mled = "MLED",
 /* WLED present, but not controlled by ACPI */
@@ -567,11 +555,11 @@ static int
 write_led(const char __user * buffer, unsigned long count,
 	  char *ledname, int ledmask, int invert)
 {
-	int rv, value;
+	int value;
 	int led_out = 0;
 
-	rv = parse_arg(buffer, count, &value);
-	if (rv > 0)
+	count = parse_arg(buffer, count, &value);
+	if (count > 0)
 		led_out = value ? 1 : 0;
 
 	hotk->status =
@@ -584,7 +572,7 @@ write_led(const char __user * buffer, unsigned long count,
 		printk(KERN_WARNING "Asus ACPI: LED (%s) write failed\n",
 		       ledname);
 
-	return rv;
+	return count;
 }
 
 /*
@@ -619,18 +607,20 @@ static int
 proc_write_ledd(struct file *file, const char __user * buffer,
 		unsigned long count, void *data)
 {
-	int rv, value;
+	int value;
 
-	rv = parse_arg(buffer, count, &value);
-	if (rv > 0) {
+	count = parse_arg(buffer, count, &value);
+	if (count > 0) {
 		if (!write_acpi_int
 		    (hotk->handle, hotk->methods->mt_ledd, value, NULL))
 			printk(KERN_WARNING
 			       "Asus ACPI: LED display write failed\n");
 		else
 			hotk->ledd_status = (u32) value;
-	}
-	return rv;
+	} else if (count < 0)
+		printk(KERN_WARNING "Asus ACPI: Error reading user input\n");
+
+	return count;
 }
 
 /*
@@ -771,12 +761,12 @@ static int
 proc_write_lcd(struct file *file, const char __user * buffer,
 	       unsigned long count, void *data)
 {
-	int rv, value;
+	int value;
 
-	rv = parse_arg(buffer, count, &value);
-	if (rv > 0)
+	count = parse_arg(buffer, count, &value);
+	if (count > 0)
 		set_lcd_state(value);
-	return rv;
+	return count;
 }
 
 static int read_brightness(void)
@@ -840,15 +830,18 @@ static int
 proc_write_brn(struct file *file, const char __user * buffer,
 	       unsigned long count, void *data)
 {
-	int rv, value;
+	int value;
 
-	rv = parse_arg(buffer, count, &value);
-	if (rv > 0) {
+	count = parse_arg(buffer, count, &value);
+	if (count > 0) {
 		value = (0 < value) ? ((15 < value) ? 15 : value) : 0;
 		/* 0 <= value <= 15 */
 		set_brightness(value);
+	} else if (count < 0) {
+		printk(KERN_WARNING "Asus ACPI: Error reading user input\n");
 	}
-	return rv;
+
+	return count;
 }
 
 static void set_display(int value)
@@ -887,12 +880,15 @@ static int
 proc_write_disp(struct file *file, const char __user * buffer,
 		unsigned long count, void *data)
 {
-	int rv, value;
+	int value;
 
-	rv = parse_arg(buffer, count, &value);
-	if (rv > 0)
+	count = parse_arg(buffer, count, &value);
+	if (count > 0)
 		set_display(value);
-	return rv;
+	else if (count < 0)
+		printk(KERN_WARNING "Asus ACPI: Error reading user input\n");
+
+	return count;
 }
 
 typedef int (proc_readfunc) (char *page, char **start, off_t off, int count,
@@ -1101,8 +1097,6 @@ static int asus_model_match(char *model)
 		return A4G;
 	else if (strncmp(model, "W1N", 3) == 0)
 		return W1N;
-	else if (strncmp(model, "W3V", 3) == 0)
-		return W3V;
 	else if (strncmp(model, "W5A", 3) == 0)
 		return W5A;
 	else
@@ -1206,10 +1200,9 @@ static int asus_hotk_get_info(void)
 		hotk->methods->mt_wled = NULL;
 	/* L5D's WLED is not controlled by ACPI */
 	else if (strncmp(string, "M2N", 3) == 0 ||
-		 strncmp(string, "W3V", 3) == 0 ||
 		 strncmp(string, "S1N", 3) == 0)
 		hotk->methods->mt_wled = "WLED";
-	/* M2N, S1N and W3V have a usable WLED */
+	/* M2N and S1N have a usable WLED */
 	else if (asus_info) {
 		if (strncmp(asus_info->oem_table_id, "L1", 2) == 0)
 			hotk->methods->mled_status = NULL;
diff --git a/trunk/drivers/acpi/events/evrgnini.c b/trunk/drivers/acpi/events/evrgnini.c
index 203d1359190a..5b3c7a85eb9a 100644
--- a/trunk/drivers/acpi/events/evrgnini.c
+++ b/trunk/drivers/acpi/events/evrgnini.c
@@ -225,12 +225,13 @@ acpi_ev_pci_config_region_setup(acpi_handle handle,
 				if (!
 				    (ACPI_STRNCMP
 				     (object_hID.value, PCI_ROOT_HID_STRING,
-				      sizeof(PCI_ROOT_HID_STRING)))
-				    ||
-				    !(ACPI_STRNCMP
-				      (object_hID.value,
-				       PCI_EXPRESS_ROOT_HID_STRING,
-				       sizeof(PCI_EXPRESS_ROOT_HID_STRING)))) {
+				      sizeof(PCI_ROOT_HID_STRING))
+				     ||
+				     !(ACPI_STRNCMP
+				       (object_hID.value,
+					PCI_EXPRESS_ROOT_HID_STRING,
+					sizeof(PCI_EXPRESS_ROOT_HID_STRING)))))
+				{
 
 					/* Install a handler for this PCI root bridge */
 
diff --git a/trunk/drivers/acpi/ibm_acpi.c b/trunk/drivers/acpi/ibm_acpi.c
index 15fc12482ba0..003a9876c968 100644
--- a/trunk/drivers/acpi/ibm_acpi.c
+++ b/trunk/drivers/acpi/ibm_acpi.c
@@ -1702,13 +1702,11 @@ static struct ibm_struct ibms[] = {
 	 .name = "brightness",
 	 .read = brightness_read,
 	 .write = brightness_write,
-	 .experimental = 1,
 	 },
 	{
 	 .name = "volume",
 	 .read = volume_read,
 	 .write = volume_write,
-	 .experimental = 1,
 	 },
 	{
 	 .name = "fan",