linux-kernel - [PATCH 1/1] x86: Fix reboot problem on VersaLogic Menlow boards.

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Date:	Sat, 19 Feb 2011 13:56:03 -0800
From:	Kushal Koolwal <kushalkoolwal@...il.com>
To:	Thomas Gleixner <tglx@...utronix.de>,
	Ingo Molnar <mingo@...hat.com>,
	"H. Peter Anvin" <hpa@...or.com>, x86@...nel.org
Cc:	linux-kernel@...r.kernel.org,
	Kushal Koolwal <kushalkoolwal@...il.com>
Subject: [PATCH 1/1] 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>
---
 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"),
+		},
+	},
 	{ }
 };
 
-- 
1.7.2.3

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