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>

diff --git a/arch/x86/kernel/reboot.c b/arch/x86/kernel/reboot.c
index 1340dad..667188e 100644 (file)
--- 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"),
+               },
+       },
        { }
 };