x86: Fix rebooting on Dell Precision WorkStation T7400

Dell Precision WorkStation T7400 freezes on reboot unless
reboot=b is used.

Reference: https://qa.mandriva.com/show_bug.cgi?id=58017

Signed-off-by: Thomas Backlund <tmb@mandriva.org>
LKML-Reference: <4C1CC6E9.6000701@mandriva.org>
Signed-off-by: Ingo Molnar <mingo@elte.hu>

diff --git a/arch/x86/kernel/reboot.c b/arch/x86/kernel/reboot.c
index 8e1aac86b50c6dcce26df41a1728ea21cf2a54e8..e3af342fe83ae7a57b8f6db6de4fb9541c4ab15e 100644 (file)
--- a/arch/x86/kernel/reboot.c
+++ b/arch/x86/kernel/reboot.c
@@ -228,6 +228,14 @@ static struct dmi_system_id __initdata reboot_dmi_table[] = {
                        DMI_MATCH(DMI_PRODUCT_NAME, "Precision WorkStation T5400"),
                },
        },
+       {       /* Handle problems with rebooting on Dell T7400's */
+               .callback = set_bios_reboot,
+               .ident = "Dell Precision T7400",
+               .matches = {
+                       DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
+                       DMI_MATCH(DMI_PRODUCT_NAME, "Precision WorkStation T7400"),
+               },
+       },
        {       /* Handle problems with rebooting on HP laptops */
                .callback = set_bios_reboot,
                .ident = "HP Compaq Laptop",