linux-kernel - [PATCH] x86: Add quirk to make Dell C6100 use reboot=pci.

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Date:	Fri, 20 Sep 2013 15:59:07 -0700
From:	Vinson Lee <vlee@...edesktop.org>
To:	Thomas Gleixner <tglx@...utronix.de>,
	Ingo Molnar <mingo@...hat.com>,
	"H. Peter Anvin" <hpa@...or.com>, x86@...nel.org,
	Andrew Morton <akpm@...ux-foundation.org>,
	Robin Holt <holt@....com>,
	Russell King <rmk+kernel@....linux.org.uk>,
	Guan Xuetao <gxt@...c.pku.edu.cn>, linux-kernel@...r.kernel.org
Cc:	Vinson Lee <vlee@...edesktop.org>,
	Masoud Sharbiani <msharbiani@...tter.com>,
	stable@...r.kernel.org, Vinson Lee <vlee@...tter.com>
Subject: [PATCH] x86: Add quirk to make Dell C6100 use reboot=pci.

From: Masoud Sharbiani <msharbiani@...tter.com>

Dell PowerEdge C6100 machines fail to completely reboot about 20% of the
time.

Signed-off-by: Masoud Sharbiani <msharbiani@...tter.com>
Cc: stable@...r.kernel.org
Signed-off-by: Vinson Lee <vlee@...tter.com>
---
 arch/x86/kernel/reboot.c | 16 ++++++++++++++++
 1 file changed, 16 insertions(+)

diff --git a/arch/x86/kernel/reboot.c b/arch/x86/kernel/reboot.c
index df1b604..d139208 100644
--- a/arch/x86/kernel/reboot.c
+++ b/arch/x86/kernel/reboot.c
@@ -479,6 +479,22 @@ static struct dmi_system_id __initdata pci_reboot_dmi_table[] = {
 			DMI_MATCH(DMI_PRODUCT_NAME, "Precision M6600"),
 		},
 	},
+	{	/* Handle problems with rebooting on the Dell PowerEdge C6100. */
+		.callback = set_pci_reboot,
+		.ident = "Dell PowerEdge C6100",
+		.matches = {
+			DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
+			DMI_MATCH(DMI_PRODUCT_NAME, "C6100"),
+		},
+	},
+	{	/* Some C6100 machines were shipped with vendor being 'Dell'. */
+		.callback = set_pci_reboot,
+		.ident = "Dell PowerEdge C6100",
+		.matches = {
+			DMI_MATCH(DMI_SYS_VENDOR, "Dell"),
+			DMI_MATCH(DMI_PRODUCT_NAME, "C6100"),
+		},
+	},
 	{ }
 };
 
-- 
1.8.1.2

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