[PATCH 3.2 163/221] x86/reboot: Add quirk to make Dell C6100 use reboot=pci automatically

[Ben Hutchings]

3.2.69-rc1 review patch.  If anyone has any objections, please let me know.

------------------

From: Masoud Sharbiani <msharbiani@xxxxxxxxxxx>

commit 4f0acd31c31f03ba42494c8baf6c0465150e2621 upstream.

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

Signed-off-by: Masoud Sharbiani <msharbiani@xxxxxxxxxxx>
Signed-off-by: Vinson Lee <vlee@xxxxxxxxxxx>
Cc: Robin Holt <holt@xxxxxxx>
Cc: Russell King <rmk+kernel@xxxxxxxxxxxxxxxx>
Cc: Guan Xuetao <gxt@xxxxxxxxxxxxxxx>
Link: http://lkml.kernel.org/r/1379717947-18042-1-git-send-email-vlee@xxxxxxxxxxxxxxx
Signed-off-by: Ingo Molnar <mingo@xxxxxxxxxx>
Signed-off-by: Ben Hutchings <ben@xxxxxxxxxxxxxxx>
---
 arch/x86/kernel/reboot.c | 16 ++++++++++++++++
 1 file changed, 16 insertions(+)

--- a/arch/x86/kernel/reboot.c
+++ b/arch/x86/kernel/reboot.c
@@ -476,6 +476,22 @@ static struct dmi_system_id __initdata p
 			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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