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authorTim Gardner <tim.gardner@ubuntu.com>2007-06-01 00:46:40 -0700
committerLinus Torvalds <torvalds@woody.linux-foundation.org>2007-06-01 08:18:28 -0700
commitb9e82af823c10d8f981072e0d7c3a8a31f73e0bd (patch)
tree6af18231fb5e0117f66a3aa1f24797feeb175f18
parent0939c17c7bcf1c838bea4445b80a6966809a438f (diff)
downloadlinux-b9e82af823c10d8f981072e0d7c3a8a31f73e0bd.tar.gz
Work around Dell E520 BIOS reboot bug
Force Dell E520 to use the BIOS to shutdown/reboot.

I have at least one report that this patch fixes shutdown/reboot
problems on the Dell E520 platform.

(Andi says: People can always set the boot option.  It hardly seems like a
critical issue needing a backport.)

Signed-off-by: Tim Gardner <tim.gardner@ubuntu.com>
Acked-by: Andi Kleen <ak@suse.de>
Acked-by: Matt Domsch <Matt_Domsch@dell.com>
Cc: <stable@kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
-rw-r--r--arch/i386/kernel/reboot.c8
1 files changed, 8 insertions, 0 deletions
diff --git a/arch/i386/kernel/reboot.c b/arch/i386/kernel/reboot.c
index 50dfc65319cd..5513f8d5b5be 100644
--- a/arch/i386/kernel/reboot.c
+++ b/arch/i386/kernel/reboot.c
@@ -89,6 +89,14 @@ static int __init set_bios_reboot(struct dmi_system_id *d)
 }
 
 static struct dmi_system_id __initdata reboot_dmi_table[] = {
+	{	/* Handle problems with rebooting on Dell E520's */
+		.callback = set_bios_reboot,
+		.ident = "Dell E520",
+		.matches = {
+			DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
+			DMI_MATCH(DMI_PRODUCT_NAME, "Dell DM061"),
+		},
+	},
 	{	/* Handle problems with rebooting on Dell 1300's */
 		.callback = set_bios_reboot,
 		.ident = "Dell PowerEdge 1300",