linux-kernel - [PATCH] x86 / reboot: Blacklist Dell OptiPlex 990 known to require PCI reboot

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Message-Id: <201111160019.51303.rjw@sisk.pl>
Date:	Wed, 16 Nov 2011 00:19:51 +0100
From:	"Rafael J. Wysocki" <rjw@...k.pl>
To:	"H. Peter Anvin" <hpa@...or.com>, Ingo Molnar <mingo@...e.hu>,
	Thomas Gleixner <tglx@...utronix.de>
Cc:	LKML <linux-kernel@...r.kernel.org>, x86@...nel.org
Subject: [PATCH] x86 / reboot: Blacklist Dell OptiPlex 990 known to require PCI reboot

From: Rafael J. Wysocki <rjw@...k.pl>

Dell OptiPlex 990 is known to require PCI reboot, so add it to the reboot
blacklist in pci_reboot_dmi_table[].

Signed-off-by: Rafael J. Wysocki <rjw@...k.pl>
---
 arch/x86/kernel/reboot.c |    8 ++++++++
 1 file changed, 8 insertions(+)

Index: linux/arch/x86/kernel/reboot.c
===================================================================
--- linux.orig/arch/x86/kernel/reboot.c
+++ linux/arch/x86/kernel/reboot.c
@@ -443,6 +443,14 @@ static struct dmi_system_id __initdata p
 			DMI_MATCH(DMI_PRODUCT_NAME, "Latitude E6420"),
 		},
 	},
+	{	/* Handle problems with rebooting on the OptiPlex 990. */
+		.callback = set_pci_reboot,
+		.ident = "Dell OptiPlex 990",
+		.matches = {
+			DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
+			DMI_MATCH(DMI_PRODUCT_NAME, "OptiPlex 990"),
+		},
+	},
 	{ }
 };
 
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