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Subject[ 081/187] ACPI, x86: fix Dell M6600 ACPI reboot regression via DMI
Date
From: Greg KH <gregkh@linuxfoundation.org>

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

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

From: Zhang Rui <rui.zhang@intel.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@kernel.org
Signed-off-by: Zhang Rui <rui.zhang@intel.com>
Signed-off-by: Len Brown <len.brown@intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.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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