diff --git a/[refs] b/[refs]
index b76d60f60b44..3ca5a8e8f24e 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 80187431762989ebade986468d3c548287a12689
+refs/heads/master: a57f7f9175b8ccbc9df83ac13860488913115de4
diff --git a/trunk/drivers/acpi/acpica/aclocal.h b/trunk/drivers/acpi/acpica/aclocal.h
index cc80fe10e8ea..493529a3500a 100644
--- a/trunk/drivers/acpi/acpica/aclocal.h
+++ b/trunk/drivers/acpi/acpica/aclocal.h
@@ -932,6 +932,7 @@ struct acpi_bit_register_info {
 #define ACPI_OSI_WIN_VISTA_SP1          0x09
 #define ACPI_OSI_WIN_VISTA_SP2          0x0A
 #define ACPI_OSI_WIN_7                  0x0B
+#define ACPI_OSI_WIN_8                  0x0C
 
 #define ACPI_ALWAYS_ILLEGAL             0x00
 
diff --git a/trunk/drivers/acpi/acpica/utosi.c b/trunk/drivers/acpi/acpica/utosi.c
index 34ef0bd7e4b4..676285d6116d 100644
--- a/trunk/drivers/acpi/acpica/utosi.c
+++ b/trunk/drivers/acpi/acpica/utosi.c
@@ -73,6 +73,7 @@ static struct acpi_interface_info acpi_default_supported_interfaces[] = {
 	{"Windows 2006 SP1", NULL, 0, ACPI_OSI_WIN_VISTA_SP1},	/* Windows Vista SP1 - Added 09/2009 */
 	{"Windows 2006 SP2", NULL, 0, ACPI_OSI_WIN_VISTA_SP2},	/* Windows Vista SP2 - Added 09/2010 */
 	{"Windows 2009", NULL, 0, ACPI_OSI_WIN_7},	/* Windows 7 and Server 2008 R2 - Added 09/2009 */
+	{"Windows 2012", NULL, 0, ACPI_OSI_WIN_8},	/* Windows 8 and Server 2012 - Added 08/2012 */
 
 	/* Feature Group Strings */