linux-kernel - [tip:x86/urgent] x86/reboot: Add quirk to make Dell C6100 use reboot=pci automatically

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Message-ID: <tip-4f0acd31c31f03ba42494c8baf6c0465150e2621@git.kernel.org>
Date:	Mon, 23 Sep 2013 06:37:40 -0700
From:	tip-bot for Masoud Sharbiani <tipbot@...or.com>
To:	linux-tip-commits@...r.kernel.org
Cc:	linux-kernel@...r.kernel.org, hpa@...or.com, mingo@...nel.org,
	rmk+kernel@....linux.org.uk, holt@....com, stable@...r.kernel.org,
	tglx@...utronix.de, gxt@...c.pku.edu.cn, msharbiani@...tter.com,
	vlee@...tter.com
Subject: [tip:x86/urgent] x86/reboot:
  Add quirk to make Dell C6100 use reboot=pci automatically

Commit-ID:  4f0acd31c31f03ba42494c8baf6c0465150e2621
Gitweb:     http://git.kernel.org/tip/4f0acd31c31f03ba42494c8baf6c0465150e2621
Author:     Masoud Sharbiani <msharbiani@...tter.com>
AuthorDate: Fri, 20 Sep 2013 15:59:07 -0700
Committer:  Ingo Molnar <mingo@...nel.org>
CommitDate: Mon, 23 Sep 2013 10:26:08 +0200

x86/reboot: Add quirk to make Dell C6100 use reboot=pci automatically

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

Signed-off-by: Masoud Sharbiani <msharbiani@...tter.com>
Signed-off-by: Vinson Lee <vlee@...tter.com>
Cc: Robin Holt <holt@....com>
Cc: Russell King <rmk+kernel@....linux.org.uk>
Cc: Guan Xuetao <gxt@...c.pku.edu.cn>
Cc: <stable@...r.kernel.org>
Link: http://lkml.kernel.org/r/1379717947-18042-1-git-send-email-vlee@freedesktop.org
Signed-off-by: Ingo Molnar <mingo@...nel.org>
---
 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 563ed91..5f4ad27 100644
--- a/arch/x86/kernel/reboot.c
+++ b/arch/x86/kernel/reboot.c
@@ -358,6 +358,22 @@ static struct dmi_system_id __initdata 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"),
+		},
+	},
 	{ }
 };
 
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