linux-kernel - [PATCH] x86: Add Dell E5420 reboot quirk

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Message-Id: <1305248699-2347-1-git-send-email-daniel.blueman@gmail.com>
Date:	Fri, 13 May 2011 09:04:59 +0800
From:	Daniel J Blueman <daniel.blueman@...il.com>
To:	Thomas Gleixner <tglx@...utronix.de>,
	Ingo Molnar <mingo@...hat.com>,
	"H. Peter Anvin" <hpa@...or.com>
Cc:	linux-kernel@...r.kernel.org,
	Daniel J Blueman <daniel.blueman@...il.com>
Subject: [PATCH] x86: Add Dell E5420 reboot quirk

Rebooting on the Dell E5420 often hangs with the keyboard method,
but is reliable via the PCI method.

Signed-off-by: Daniel J Blueman <daniel.blueman@...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 08c44b0..b16032d 100644
--- a/arch/x86/kernel/reboot.c
+++ b/arch/x86/kernel/reboot.c
@@ -411,6 +411,14 @@ static struct dmi_system_id __initdata pci_reboot_dmi_table[] = {
 			DMI_MATCH(DMI_PRODUCT_NAME, "iMac9,1"),
 		},
 	},
+	{
+		.callback = set_pci_reboot,
+		.ident = "Dell Latitude E5420",
+		.matches = {
+			DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
+			DMI_MATCH(DMI_PRODUCT_NAME, "Latitude E5420"),
+		},
+	},
 	{ }
 };
 
-- 
1.7.4.1

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