linux-kernel - Add Thinkpad SL510 to pci=nocrs blacklist

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Message-ID: <20120104163052.GA31667@redhat.com>
Date:	Wed, 4 Jan 2012 11:30:52 -0500
From:	Dave Jones <davej@...hat.com>
To:	Bjorn Helgaas <bhelgaas@...gle.com>
Cc:	Jesse Barnes <jbarnes@...tuousgeek.org>,
	Ingo Molnar <mingo@...e.hu>,
	Linux Kernel <linux-kernel@...r.kernel.org>, x86@...nel.org
Subject: Add Thinkpad SL510 to pci=nocrs blacklist

Enabling CRS by default breaks suspend on the Thinkpad SL510.
Details in https://bugzilla.redhat.com/show_bug.cgi?id=769657

Reported-by: Stefan Kirrmann <stefan.kirrmann@...il.com>
Signed-off-by: Dave Jones <davej@...hat.com>

--- linux-3.1.noarch/arch/x86/pci/acpi.c~	2011-12-30 14:42:43.495717907 -0500
+++ linux-3.1.noarch/arch/x86/pci/acpi.c	2011-12-30 14:45:09.296198024 -0500
@@ -72,6 +72,16 @@ static const struct dmi_system_id pci_us
 			DMI_MATCH(DMI_BOARD_NAME, "0M273C"),
 		},
 	},
+	/* https://bugzilla.redhat.com/show_bug.cgi?id=769657 */
+	{
+		.callback = set_nouse_crs,
+		.ident = "Thinkpad SL510",
+		.matches = {
+			DMI_MATCH(DMI_BOARD_VENDOR, "LENOVO"),
+			DMI_MATCH(DMI_BOARD_NAME, "2847DFG"),
+			DMI_MATCH(DMI_BIOS_VERSION, "6JET85WW (1.43 )"),
+		},
+	},
 	{}
 };
 

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