x86: Add Dell OptiPlex 760 reboot quirk

Dell OptiPlex 760 hangs on reboot unless reboot=bios is used.  Add quirk
to reboot through the BIOS.

BugLink: https://bugs.launchpad.net/bugs/488319
Signed-off-by: Leann Ogasawara <leann.ogasawara@canonical.com>
LKML-Reference: <1264634958.27335.1091.camel@emiko>
Cc: <stable@kernel.org>
Signed-off-by: H. Peter Anvin <hpa@zytor.com>

diff --git a/arch/x86/kernel/reboot.c b/arch/x86/kernel/reboot.c
index 1545bc0..704bddc 100644 (file)
--- a/arch/x86/kernel/reboot.c
+++ b/arch/x86/kernel/reboot.c
@@ -203,6 +203,15 @@ static struct dmi_system_id __initdata reboot_dmi_table[] = {
                        DMI_MATCH(DMI_BOARD_NAME, "0T656F"),
                },
        },
+       {       /* Handle problems with rebooting on Dell OptiPlex 760 with 0G919G*/
+               .callback = set_bios_reboot,
+               .ident = "Dell OptiPlex 760",
+               .matches = {
+                       DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
+                       DMI_MATCH(DMI_PRODUCT_NAME, "OptiPlex 760"),
+                       DMI_MATCH(DMI_BOARD_NAME, "0G919G"),
+               },
+       },
        {       /* Handle problems with rebooting on Dell 2400's */
                .callback = set_bios_reboot,
                .ident = "Dell PowerEdge 2400",