linux-kernel - [tip:x86/urgent] x86: Fix reboot problem on VersaLogic Menlow boards

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Date:	Mon, 21 Feb 2011 07:43:05 GMT
From:	tip-bot for Kushal Koolwal <kushalkoolwal@...il.com>
To:	linux-tip-commits@...r.kernel.org
Cc:	linux-kernel@...r.kernel.org, hpa@...or.com, mingo@...hat.com,
	kushalkoolwal@...il.com, tglx@...utronix.de, mingo@...e.hu
Subject: [tip:x86/urgent] x86: Fix reboot problem on VersaLogic Menlow boards

Commit-ID:  e19e074b1525d11a66c8e3386fec7db248ad3005
Gitweb:     http://git.kernel.org/tip/e19e074b1525d11a66c8e3386fec7db248ad3005
Author:     Kushal Koolwal <kushalkoolwal@...il.com>
AuthorDate: Sat, 19 Feb 2011 13:56:03 -0800
Committer:  Ingo Molnar <mingo@...e.hu>
CommitDate: Mon, 21 Feb 2011 08:41:26 +0100

x86: Fix reboot problem on VersaLogic Menlow boards

VersaLogic Menlow based boards hang on reboot unless reboot=bios
is used. Add quirk to reboot through the BIOS.

Tested on at least four boards.

Signed-off-by: Kushal Koolwal <kushalkoolwal@...il.com>
LKML-Reference: <1298152563-21594-1-git-send-email-kushalkoolwal@...il.com>
Signed-off-by: Ingo Molnar <mingo@...e.hu>
---
 arch/x86/kernel/reboot.c |    8 ++++++++
 1 files changed, 8 insertions(+), 0 deletions(-)

diff --git a/arch/x86/kernel/reboot.c b/arch/x86/kernel/reboot.c
index fc7aae1..715037c 100644
--- a/arch/x86/kernel/reboot.c
+++ b/arch/x86/kernel/reboot.c
@@ -285,6 +285,14 @@ static struct dmi_system_id __initdata reboot_dmi_table[] = {
 			DMI_MATCH(DMI_BOARD_NAME, "P4S800"),
 		},
 	},
+	{	/* Handle problems with rebooting on VersaLogic Menlow boards */
+		.callback = set_bios_reboot,
+		.ident = "VersaLogic Menlow based board",
+		.matches = {
+			DMI_MATCH(DMI_BOARD_VENDOR, "VersaLogic Corporation"),
+			DMI_MATCH(DMI_BOARD_NAME, "VersaLogic Menlow board"),
+		},
+	},
 	{ }
 };
 
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