From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1756505Ab2FDF1n (ORCPT ); Mon, 4 Jun 2012 01:27:43 -0400 Received: from mga01.intel.com ([192.55.52.88]:41685 "EHLO mga01.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1756436Ab2FDF1Q convert rfc822-to-8bit (ORCPT ); Mon, 4 Jun 2012 01:27:16 -0400 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="4.71,315,1320652800"; d="scan'208,223";a="160218313" Date: Mon, 4 Jun 2012 13:23:41 +0800 From: Feng Tang To: Len Brown Cc: , , , , Subject: [PATCH 3/3] ACPI: Add a quirk for "AMILO PRO V2030" to ignore the timer overriding Message-ID: <20120604132341.70d5c05f@feng-i7> In-Reply-To: <4FC8F36C.8080409@kernel.org> References: <1338259418-6167-1-git-send-email-feng.tang@intel.com> <4FC8F36C.8080409@kernel.org> Organization: intel X-Mailer: Claws Mail 3.7.6 (GTK+ 2.22.0; i486-pc-linux-gnu) Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 8BIT Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org >>From cfca8634132c1b2f89c39f681ae2aa1fe227c9f5 Mon Sep 17 00:00:00 2001 From: Feng Tang Date: Mon, 4 Jun 2012 11:06:35 +0800 Subject: [PATCH 3/3] ACPI: Add a quirk for "AMILO PRO V2030" to ignore the timer overriding 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 Signed-off-by: Feng Tang --- 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 3a6afba..b2297e5 100644 --- a/arch/x86/kernel/acpi/boot.c +++ b/arch/x86/kernel/acpi/boot.c @@ -1470,6 +1470,14 @@ 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"), + }, + }, {} }; -- 1.7.9