2 files changed, 3 insertions, 1 deletions

diff --git a/drivers/acpi/acpica/aclocal.h b/drivers/acpi/acpica/aclocal.h
index 04ce32272546..1bb18c0d0881 100644
--- a/drivers/acpi/acpica/aclocal.h
+++ b/drivers/acpi/acpica/aclocal.h
@@ -908,7 +908,8 @@ struct acpi_bit_register_info {
 #define ACPI_OSI_WIN_VISTA              0x07
 #define ACPI_OSI_WINSRV_2008            0x08
 #define ACPI_OSI_WIN_VISTA_SP1          0x09
-#define ACPI_OSI_WIN_7                  0x0A
+#define ACPI_OSI_WIN_VISTA_SP2          0x0A
+#define ACPI_OSI_WIN_7                  0x0B
 
 #define ACPI_ALWAYS_ILLEGAL             0x00
 
diff --git a/drivers/acpi/acpica/utosi.c b/drivers/acpi/acpica/utosi.c
index 0a37950c96aa..18c59a85fdca 100644
--- a/drivers/acpi/acpica/utosi.c
+++ b/drivers/acpi/acpica/utosi.c
@@ -71,6 +71,7 @@ static struct acpi_interface_info acpi_default_supported_interfaces[] = {
         {"Windows 2006", NULL, 0, ACPI_OSI_WIN_VISTA},  /* Windows Vista - Added 03/2006 */
         {"Windows 2006.1", NULL, 0, ACPI_OSI_WINSRV_2008},      /* Windows Server 2008 - Added 09/2009 */
         {"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 */
 
         /* Feature Group Strings */