From mboxrd@z Thu Jan 1 00:00:00 1970 From: Alek Du Subject: Re: [PATCH] ata: Add Intel SCH PATA support (revised) Date: Wed, 30 Apr 2008 10:49:31 +0800 Message-ID: <20080430104931.3aaab288@dxy.sh.intel.com> References: <20080426140007.63cfeede@dxy.sh.intel.com> <20080428094123.59d055c7@core> <20080428170751.097bdbe6@dxy.sh.intel.com> <200804282101.33012.bzolnier@gmail.com> <20080429113905.757703fd@dxy.sh.intel.com> <48174EF9.8020208@ru.mvista.com> Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Return-path: Received: from mga14.intel.com ([143.182.124.37]:44247 "EHLO mga14.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752825AbYD3C4W (ORCPT ); Tue, 29 Apr 2008 22:56:22 -0400 In-Reply-To: <48174EF9.8020208@ru.mvista.com> Sender: linux-ide-owner@vger.kernel.org List-Id: linux-ide@vger.kernel.org To: Sergei Shtylyov Cc: Bartlomiej Zolnierkiewicz , Alan Cox , jgarzik@pobox.com, linux-ide@vger.kernel.org, rob.rhoads@intel.com Hi Sergei, On Wed, 30 Apr 2008 00:38:17 +0800 "Sergei Shtylyov" wrote: > > > NAK this patch completely -- both libata and IDE parts. > Luckily, I have just had a quick look at the datasheet to which you've > linked and that was enough to conclude that SCH is *not* compatible to > ICH/PIIX family, so absolutely needs a separate driver! > Most registers are same except for port enable bit, IOCFG and DMA timing. Now I know why my patch just works -- the BIOS set the timing correctly. Thanks for point this out. I will post a separate driver patch later. Thanks, Alek