linux-kernel - [PATCH 1/1] Work around Dell E520 BIOS reboot bug.

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Message-Id: <20070523191244.50078196AA1@rtg.theglobal.net>
Date:	Wed, 23 May 2007 13:12:44 -0600 (MDT)
From:	rtg@....com (Tim Gardner)
To:	akpm@...ux-foundation.org, linux-kernel@...r.kernel.org,
	tim.gardner@...ntu.com
Subject: [PATCH 1/1] Work around Dell E520 BIOS reboot bug.

From: Tim Gardner <tim.gardner@...ntu.com>
Subject: [PATCH] Work around Dell E520 BIOS reboot bug.

Force Dell E520 to use the BIOS to shutdown/reboot.

Signed-off-by: Tim Gardner <tim.gardner@...ntu.com>
---

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

 arch/i386/kernel/reboot.c |    8 ++++++++
 1 files changed, 8 insertions(+), 0 deletions(-)

diff --git a/arch/i386/kernel/reboot.c b/arch/i386/kernel/reboot.c
index 3514b41..e33f51a 100644
--- a/arch/i386/kernel/reboot.c
+++ b/arch/i386/kernel/reboot.c
@@ -88,6 +88,14 @@ 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",
-- 
1.4.4.2

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