Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1756988AbZLOISm (ORCPT ); Tue, 15 Dec 2009 03:18:42 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1752204AbZLOISl (ORCPT ); Tue, 15 Dec 2009 03:18:41 -0500 Received: from hera.kernel.org ([140.211.167.34]:46815 "EHLO hera.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752162AbZLOISk (ORCPT ); Tue, 15 Dec 2009 03:18:40 -0500 Message-ID: <4B274694.6020701@kernel.org> Date: Tue, 15 Dec 2009 17:19:32 +0900 From: Tejun Heo User-Agent: Mozilla/5.0 (X11; U; Linux x86_64; en-US; rv:1.9.1.5) Gecko/20091130 SUSE/3.0.0-1.1.1 Thunderbird/3.0 MIME-Version: 1.0 To: Krzysztof Halasa CC: Jeff Garzik , linux-ide@vger.kernel.org, lkml Subject: Re: SATA_SIL: Add a work-around for IXP4xx CPU. References: In-Reply-To: X-Enigmail-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 832 Lines: 24 Hello, On 11/11/2009 09:04 AM, Krzysztof Halasa wrote: > IXP4xx CPUs can't read from 8 and 16-bit PCI MMIO registers, we have to read > from normal IO regions instead. > > Tested on SIL3512, and specifically not tested on 4-port SIL3114. > > Signed-off-by: Krzysztof Hałasa Hmmm... Given that there are some platforms which have problem with mmio and sil3112/4 can do everything via io accesses, it would be nice to generalize this so that there's CONFIG_SATA_SIL_NO_MMIO which is selected by affected platforms. Are you interested in doing it? Thanks. -- tejun -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/