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From 0430a8402ee6125c909ae3f4c3a89696e9a24077 Mon Sep 17 00:00:00 2001
From: Feng Tang <feng.tang@intel.com>
Date: Mon, 4 Jun 2012 15:00:06 +0800
Subject: [PATCH 093/109] ACPI: Add a quirk for "AMILO PRO V2030" to ignore
the timer overriding
commit b939c2acf1dc42b08407ef5174f2e8d6f43dd5ea upstream.
commit f6b54f083cc66cf9b11d2120d8df3c2ad4e0836d upstream.
This is the 2nd part of fix for kernel bugzilla 40002:
"IRQ 0 assigned to VGA"
https://bugzilla.kernel.org/show_bug.cgi?id=40002
The root cause is the buggy FW, whose ACPI tables assign the GSI 16
to 2 irqs 0 and 16(VGA), and the VGA is the right owner of GSI 16.
So add a quirk to ignore the irq0 overriding GSI 16 for the
FUJITSU SIEMENS AMILO PRO V2030 platform will solve this issue.
Reported-and-tested-by: Szymon Kowalczyk <fazerxlo@o2.pl>
Signed-off-by: Feng Tang <feng.tang@intel.com>
Signed-off-by: Len Brown <len.brown@intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Ben Hutchings <ben@decadent.org.uk>
---
arch/x86/kernel/acpi/boot.c | 8 ++++++++
1 files changed, 8 insertions(+), 0 deletions(-)
diff --git a/arch/x86/kernel/acpi/boot.c b/arch/x86/kernel/acpi/boot.c
index 882960e..479d03c 100644
--- a/arch/x86/kernel/acpi/boot.c
+++ b/arch/x86/kernel/acpi/boot.c
@@ -1463,6 +1463,14 @@ static struct dmi_system_id __initdata acpi_dmi_table_late[] = {
DMI_MATCH(DMI_PRODUCT_NAME, "HP Compaq 6715b"),
},
},
+ {
+ .callback = dmi_ignore_irq0_timer_override,
+ .ident = "FUJITSU SIEMENS",
+ .matches = {
+ DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU SIEMENS"),
+ DMI_MATCH(DMI_PRODUCT_NAME, "AMILO PRO V2030"),
+ },
+ },
{}
};
--
1.7.7.6
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