Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755135AbZLCUuM (ORCPT ); Thu, 3 Dec 2009 15:50:12 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1754122AbZLCUuL (ORCPT ); Thu, 3 Dec 2009 15:50:11 -0500 Received: from mail-yx0-f187.google.com ([209.85.210.187]:62744 "EHLO mail-yx0-f187.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753631AbZLCUuJ (ORCPT ); Thu, 3 Dec 2009 15:50:09 -0500 DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=gamma; h=sender:message-id:date:from:user-agent:mime-version:to:cc:subject :references:in-reply-to:content-type:content-transfer-encoding; b=cOobMyjoxo88pjKUwXh0LzmQk0niP99QbGrNqGabSrIUocrUPx+i1gm2yi1wM8OP0D ZWp31gKxUm9GOI2CAGAQoSxvO0AHdM4ZiZgAk9oXPbPGzhHedZFKHNTgcKs4Gp8U7xhf COHG0APgfAxLE/Fw0UMCqpMMsR0aXAYf7DGYs= Message-ID: <4B182486.6050505@garzik.org> Date: Thu, 03 Dec 2009 15:50:14 -0500 From: Jeff Garzik User-Agent: Mozilla/5.0 (X11; U; Linux x86_64; en-US; rv:1.9.1.4pre) Gecko/20091014 Fedora/3.0-2.8.b4.fc11 Thunderbird/3.0b4 MIME-Version: 1.0 To: Alan Cox CC: Bartlomiej Zolnierkiewicz , linux-ide@vger.kernel.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH 16/86] pata_efar: MWDMA0 is unsupported References: <20091125170218.5446.13513.sendpatchset@localhost> <20091125170415.5446.15073.sendpatchset@localhost> <20091125172552.6817e3da@lxorguk.ukuu.org.uk> <200911261553.58941.bzolnier@gmail.com> <20091126151546.6c891014@lxorguk.ukuu.org.uk> In-Reply-To: <20091126151546.6c891014@lxorguk.ukuu.org.uk> Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1390 Lines: 39 On 11/26/2009 10:15 AM, Alan Cox wrote: > On Thu, 26 Nov 2009 15:53:58 +0100 > Bartlomiej Zolnierkiewicz wrote: > >> On Wednesday 25 November 2009 06:25:52 pm Alan Cox wrote: >>> On Wed, 25 Nov 2009 18:04:15 +0100 >>> Bartlomiej Zolnierkiewicz wrote: >>> >>>> From: Bartlomiej Zolnierkiewicz >>>> Subject: [PATCH] pata_efar: MWDMA0 is unsupported >>>> >>>> MWDMA0 timings cannot be met with the PIIX based controller >>>> programming interface. >>> >>> The efar documentation makes no reference to not being capable of MWDMA0, >>> so where does this come from ? No MWDMA0 is an Intel erratum it appears. >> >> No MWDMA0 support is a common issue on all 'PIIX-like' controllers. >> >> In case of this chipset while the (preliminary) documentation claims MWDMA0 >> support on the 'FEATURES' page the later 'programming guide' part describes >> only PIO0-4, SWDMA2, MWDMA1-2 and UDMA0-4 transfer modes as supported. > > Cool - I only have the original docs. ACK Bart's patch, then? This thread was a bit unclear, and I want to be certain (well, as certain as we can be :)) Jeff -- 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/