linux-kernel - [ 081/187] ACPI, x86: fix Dell M6600 ACPI reboot regression via DMI

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Message-Id: <20120712191529.930920177@linuxfoundation.org>
Date:	Thu, 12 Jul 2012 15:33:57 -0700
From:	Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:	linux-kernel@...r.kernel.org, stable@...r.kernel.org
Cc:	Greg KH <gregkh@...uxfoundation.org>,
	torvalds@...ux-foundation.org, akpm@...ux-foundation.org,
	alan@...rguk.ukuu.org.uk, Zhang Rui <rui.zhang@...el.com>,
	Len Brown <len.brown@...el.com>, x86@...nel.org
Subject: [ 081/187] ACPI, x86: fix Dell M6600 ACPI reboot regression via DMI

From: Greg KH <gregkh@...uxfoundation.org>

3.4-stable review patch.  If anyone has any objections, please let me know.

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

From: Zhang Rui <rui.zhang@...el.com>

commit 76eb9a30db4bc8fd172f9155247264b5f2686d7b upstream.

Dell Precision M6600 is known to require PCI reboot, so add it to
the reboot blacklist in pci_reboot_dmi_table[].

https://bugzilla.kernel.org/show_bug.cgi?id=42749

cc: x86@...nel.org
Signed-off-by: Zhang Rui <rui.zhang@...el.com>
Signed-off-by: Len Brown <len.brown@...el.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org>

---
 arch/x86/kernel/reboot.c |    8 ++++++++
 1 file changed, 8 insertions(+)

--- a/arch/x86/kernel/reboot.c
+++ b/arch/x86/kernel/reboot.c
@@ -471,6 +471,14 @@ static struct dmi_system_id __initdata p
 			DMI_MATCH(DMI_PRODUCT_NAME, "OptiPlex 990"),
 		},
 	},
+	{	/* Handle problems with rebooting on the Precision M6600. */
+		.callback = set_pci_reboot,
+		.ident = "Dell OptiPlex 990",
+		.matches = {
+			DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
+			DMI_MATCH(DMI_PRODUCT_NAME, "Precision M6600"),
+		},
+	},
 	{ }
 };
 


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