From mboxrd@z Thu Jan 1 00:00:00 1970 From: Len Brown Subject: [PATCH] ACPICA: delete check for AML access to port 0x81-83 Date: Tue, 07 Apr 2009 17:56:09 -0400 (EDT) Message-ID: References: <7a3045780904051727o3780c7d3hebb26028a1b4eba5@mail.gmail.com> Mime-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII Return-path: Received: from vms173007pub.verizon.net ([206.46.173.7]:26226 "EHLO vms173007pub.verizon.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751116AbZDGV4T (ORCPT ); Tue, 7 Apr 2009 17:56:19 -0400 Received: from localhost.localdomain ([96.237.168.40]) by vms173007.mailsrvcs.net (Sun Java(tm) System Messaging Server 6.3-7.04 (built Sep 26 2008; 32bit)) with ESMTPA id <0KHR006PS3LNNV2E@vms173007.mailsrvcs.net> for linux-acpi@vger.kernel.org; Tue, 07 Apr 2009 16:56:12 -0500 (CDT) In-reply-to: <7a3045780904051727o3780c7d3hebb26028a1b4eba5@mail.gmail.com> Sender: linux-acpi-owner@vger.kernel.org List-Id: linux-acpi@vger.kernel.org To: Rodrigo Luiz Cc: malattia@linux.it, linux-acpi@vger.kernel.org From: Len Brown Sony laptops apparently write 4-bytes (rather than 1 byte) to debug port 0x80, which spews error messages: Denied AML access to port 0x00000080/4 (DMA1 0x0081-0x0083) [20090320] http://bugzilla.kernel.org/show_bug.cgi?id=13036 Signed-off-by: Len Brown --- Rodrigo, Please verify that this makes the warnings go away. thanks, -Len drivers/acpi/acpica/hwvalid.c | 1 - 1 files changed, 0 insertions(+), 1 deletions(-) diff --git a/drivers/acpi/acpica/hwvalid.c b/drivers/acpi/acpica/hwvalid.c index bd3c937..7737afb 100644 --- a/drivers/acpi/acpica/hwvalid.c +++ b/drivers/acpi/acpica/hwvalid.c @@ -90,7 +90,6 @@ static const struct acpi_port_info acpi_protected_ports[] = { {"PIT2", 0x0048, 0x004B, ACPI_OSI_WIN_XP}, {"RTC", 0x0070, 0x0071, ACPI_OSI_WIN_XP}, {"CMOS", 0x0074, 0x0076, ACPI_OSI_WIN_XP}, - {"DMA1", 0x0081, 0x0083, ACPI_OSI_WIN_XP}, {"DMA1L", 0x0087, 0x0087, ACPI_OSI_WIN_XP}, {"DMA2", 0x0089, 0x008B, ACPI_OSI_WIN_XP}, {"DMA2L", 0x008F, 0x008F, ACPI_OSI_WIN_XP}, -- 1.6.2.2.446.gfbdc