From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755433AbYD2Vqf (ORCPT ); Tue, 29 Apr 2008 17:46:35 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1752966AbYD2Vq1 (ORCPT ); Tue, 29 Apr 2008 17:46:27 -0400 Received: from www.tglx.de ([62.245.132.106]:37221 "EHLO www.tglx.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752920AbYD2Vq0 (ORCPT ); Tue, 29 Apr 2008 17:46:26 -0400 Date: Tue, 29 Apr 2008 23:46:02 +0200 (CEST) From: Thomas Gleixner To: LKML cc: Ingo Molnar , Helge Wagner , Peter Zijlstra , Alan Cox Subject: [PATCH] x86: restrict keyboard io ports reservation to make ipmi driver work Message-ID: User-Agent: Alpine 1.10 (LFD 962 2008-03-14) MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Helge Wagner On some of our (single board computer) boards (x86) we are using an IPMI controller that uses I/O ports 0x62 and 0x66 for a KCS (keyboard controller style) IPMI system interface. Trying to load the openipmi driver fails, because the ports (0x62/0x66) are reserved for keyboard. keyboard reserves the full range 0x60-0x6F while it doesn't need to. Reserve only ports 0x60 and 0x64 for the legacy PS/2 i8042 keyboad controller instead of 0x60-0x6F to allow the openipmi driver to work. Signed-off-by: Thomas Gleixner --- arch/x86/kernel/setup_32.c | 7 ++++++- 1 file changed, 6 insertions(+), 1 deletion(-) Index: linux-2.6/arch/x86/kernel/setup_32.c =================================================================== --- linux-2.6.orig/arch/x86/kernel/setup_32.c +++ linux-2.6/arch/x86/kernel/setup_32.c @@ -127,7 +127,12 @@ static struct resource standard_io_resou }, { .name = "keyboard", .start = 0x0060, - .end = 0x006f, + .end = 0x0060, + .flags = IORESOURCE_BUSY | IORESOURCE_IO +}, { + .name = "keyboard", + .start = 0x0064, + .end = 0x0064, .flags = IORESOURCE_BUSY | IORESOURCE_IO }, { .name = "dma page reg",