diff --git a/Documentation/laptops/thinkpad-acpi.txt b/Documentation/laptops/thinkpad-acpi.txt
index 02dc748b76c4ac861549077392ef1deb3ca9c652..71f0fe1fc1b0f341996fa3fbef5c59b6af8ebd46 100644
--- a/Documentation/laptops/thinkpad-acpi.txt
+++ b/Documentation/laptops/thinkpad-acpi.txt
@@ -44,7 +44,7 @@ detailed description):
 	- LCD brightness control
 	- Volume control
 	- Fan control and monitoring: fan speed, fan enable/disable
-	- Experimental: WAN enable and disable
+	- WAN enable and disable
 
 A compatibility table by model and feature is maintained on the web
 site, http://ibm-acpi.sf.net/. I appreciate any success or failure
@@ -1375,18 +1375,13 @@ with EINVAL, try to set pwm1_enable to 1 and pwm1 to at least 128 (255
 would be the safest choice, though).
 
 
-EXPERIMENTAL: WAN
------------------
+WAN
+---
 
 procfs: /proc/acpi/ibm/wan
 sysfs device attribute: wwan_enable (deprecated)
 sysfs rfkill class: switch "tpacpi_wwan_sw"
 
-This feature is marked EXPERIMENTAL because the implementation
-directly accesses hardware registers and may not work as expected. USE
-WITH CAUTION! To use this feature, you need to supply the
-experimental=1 parameter when loading the module.
-
 This feature shows the presence and current state of a W-WAN (Sierra
 Wireless EV-DO) device.
 
diff --git a/MAINTAINERS b/MAINTAINERS
index ced3c202f8e6cf13d825cd220639f82909f8e162..af279458b6140f065bb89afb891747a70e098702 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -222,8 +222,7 @@ W:	http://code.google.com/p/aceracpi
 S:	Maintained
 
 ACPI
-P:	Andi Kleen
-M:	ak@linux.intel.com
+P:	Len Brown
 M:	lenb@kernel.org
 L:	linux-acpi@vger.kernel.org
 W:	http://www.lesswatts.org/projects/acpi/
diff --git a/drivers/acpi/dispatcher/dsobject.c b/drivers/acpi/dispatcher/dsobject.c
index 1022e38994c2bffcdd8a52d676e9ecf951cc49f7..0f280589921025c5e8f9f4e8caebc3ea5efc21b0 100644
--- a/drivers/acpi/dispatcher/dsobject.c
+++ b/drivers/acpi/dispatcher/dsobject.c
@@ -496,7 +496,7 @@ acpi_ds_build_internal_package_obj(struct acpi_walk_state *walk_state,
 			arg = arg->common.next;
 		}
 
-		ACPI_ERROR((AE_INFO,
+		ACPI_WARNING((AE_INFO,
 			    "Package List length (%X) larger than NumElements count (%X), truncated\n",
 			    i, element_count));
 	} else if (i < element_count) {
diff --git a/drivers/acpi/processor_perflib.c b/drivers/acpi/processor_perflib.c
index 80e32093e977c6a3c5427e0746c1732a2282e017..80c251ec6d2aac7dff658a9c6df5fec5733bc168 100644
--- a/drivers/acpi/processor_perflib.c
+++ b/drivers/acpi/processor_perflib.c
@@ -71,7 +71,7 @@ static DEFINE_MUTEX(performance_mutex);
  *  1 -> ignore _PPC totally -> forced by user through boot param
  */
 static int ignore_ppc = -1;
-module_param(ignore_ppc, uint, 0644);
+module_param(ignore_ppc, int, 0644);
 MODULE_PARM_DESC(ignore_ppc, "If the frequency of your machine gets wrongly" \
 		 "limited by BIOS, this should help");
 
diff --git a/drivers/acpi/sbshc.c b/drivers/acpi/sbshc.c
index bcf2c70fca87f498b9a3c5af5e0037248c488b37..a4e3767b8c64241c6bd1c11010f0c2001fd7e7c1 100644
--- a/drivers/acpi/sbshc.c
+++ b/drivers/acpi/sbshc.c
@@ -107,6 +107,13 @@ static int wait_transaction_complete(struct acpi_smb_hc *hc, int timeout)
 	if (wait_event_timeout(hc->wait, smb_check_done(hc),
 			       msecs_to_jiffies(timeout)))
 		return 0;
+	/*
+	 * After the timeout happens, OS will try to check the status of SMbus.
+	 * If the status is what OS expected, it will be regarded as the bogus
+	 * timeout.
+	 */
+	if (smb_check_done(hc))
+		return 0;
 	else
 		return -ETIME;
 }
diff --git a/drivers/acpi/tables.c b/drivers/acpi/tables.c
index c3419182c9a72fd033b765f1d48e4ea14c11256c..775c97a282bd0d036bdcee72e192d502e8ba08ea 100644
--- a/drivers/acpi/tables.c
+++ b/drivers/acpi/tables.c
@@ -300,6 +300,8 @@ int __init acpi_table_init(void)
 
 static int __init acpi_parse_apic_instance(char *str)
 {
+	if (!str)
+		return -EINVAL;
 
 	acpi_apic_instance = simple_strtoul(str, NULL, 0);
 
diff --git a/drivers/misc/fujitsu-laptop.c b/drivers/misc/fujitsu-laptop.c
index 7a1ef6c262defaf338bbfcbb7dff8c56f3c03c99..3e56203e494720fc4af8bb8f44ed047f81cf1b8a 100644
--- a/drivers/misc/fujitsu-laptop.c
+++ b/drivers/misc/fujitsu-laptop.c
@@ -463,6 +463,13 @@ static struct dmi_system_id __initdata fujitsu_dmi_table[] = {
 		     DMI_MATCH(DMI_PRODUCT_NAME, "LIFEBOOK S6410"),
 		     },
 	 .callback = dmi_check_cb_s6410},
+	{
+	 .ident = "FUJITSU LifeBook P8010",
+	 .matches = {
+		     DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU"),
+		     DMI_MATCH(DMI_PRODUCT_NAME, "LifeBook P8010"),
+		    },
+	 .callback = dmi_check_cb_s6410},
 	{}
 };
 
diff --git a/drivers/misc/thinkpad_acpi.c b/drivers/misc/thinkpad_acpi.c
index d3eb7903c346aa9db41abf5897d8be04445f6213..6b9300779a431c1828acad495ddfbbec41332836 100644
--- a/drivers/misc/thinkpad_acpi.c
+++ b/drivers/misc/thinkpad_acpi.c
@@ -3086,7 +3086,6 @@ static struct ibm_struct wan_driver_data = {
 	.read = wan_read,
 	.write = wan_write,
 	.exit = wan_exit,
-	.flags.experimental = 1,
 };
 
 /*************************************************************************
diff --git a/drivers/pnp/pnpacpi/rsparser.c b/drivers/pnp/pnpacpi/rsparser.c
index d7e9f2152df0913305495ee7c7c25f36cdbb9f18..95015cbfd33f47bbfbb729b48aada46bd6d8d27e 100644
--- a/drivers/pnp/pnpacpi/rsparser.c
+++ b/drivers/pnp/pnpacpi/rsparser.c
@@ -405,8 +405,6 @@ static acpi_status pnpacpi_allocated_resource(struct acpi_resource *res,
 
 	case ACPI_RESOURCE_TYPE_EXTENDED_IRQ:
 		extended_irq = &res->data.extended_irq;
-		if (extended_irq->producer_consumer == ACPI_PRODUCER)
-			return AE_OK;
 
 		if (extended_irq->interrupt_count == 0)
 			pnp_add_irq_resource(dev, 0, IORESOURCE_DISABLED);