x86: DMI match for the Sony VGN-Z540N as it needs BIOS reboot

x86: DMI match for the Sony VGN-Z540N as it needs BIOS reboot,
see:

  http://bugzilla.kernel.org/show_bug.cgi?id=12901

[ Impact: fix hung reboot on certain systems ]

Signed-off-by: Zhang Rui <rui.zhang@intel.com>
Cc: Len Brown <lenb@kernel.org>
LKML-Reference: <1242963350.32574.53.camel@rzhang-dt>
Signed-off-by: Ingo Molnar <mingo@elte.hu>

1 files changed, 8 insertions, 0 deletions

diff --git a/arch/x86/kernel/reboot.c b/arch/x86/kernel/reboot.c
index 1340dad417f4..667188e0b5a0 100644
--- a/arch/x86/kernel/reboot.c
+++ b/arch/x86/kernel/reboot.c
@@ -232,6 +232,14 @@ static struct dmi_system_id __initdata reboot_dmi_table[] = {
                         DMI_MATCH(DMI_PRODUCT_NAME, "Dell DXP061"),
                 },
         },
+        {       /* Handle problems with rebooting on Sony VGN-Z540N */
+                .callback = set_bios_reboot,
+                .ident = "Sony VGN-Z540N",
+                .matches = {
+                        DMI_MATCH(DMI_SYS_VENDOR, "Sony Corporation"),
+                        DMI_MATCH(DMI_PRODUCT_NAME, "VGN-Z540N"),
+                },
+        },
         { }
 };