From mboxrd@z Thu Jan 1 00:00:00 1970 From: Bartlomiej Zolnierkiewicz Subject: Re: [PATCH] hpt366: fix HPT370 DMA timeouts Date: Thu, 16 Apr 2009 20:54:20 +0200 Message-ID: <200904162054.27279.bzolnier@gmail.com> References: <200904072009.32070.sshtylyov@ru.mvista.com> Mime-Version: 1.0 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: 7bit Return-path: Received: from fk-out-0910.google.com ([209.85.128.190]:37422 "EHLO fk-out-0910.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752395AbZDPTjK (ORCPT ); Thu, 16 Apr 2009 15:39:10 -0400 Received: by fk-out-0910.google.com with SMTP id 18so261811fkq.5 for ; Thu, 16 Apr 2009 12:39:09 -0700 (PDT) In-Reply-To: <200904072009.32070.sshtylyov@ru.mvista.com> Content-Disposition: inline Sender: linux-ide-owner@vger.kernel.org List-Id: linux-ide@vger.kernel.org To: Sergei Shtylyov Cc: linux-ide@vger.kernel.org, stable@kernel.org On Tuesday 07 April 2009 18:09:32 Sergei Shtylyov wrote: > The big driver change in 2.4.19-rc1 introduced a regression for many HPT370[A] > chips -- DMA stopped to work completely, only causing endless timeouts... > > The culprit has been identified (at last!): it turned to be the code resetting > the DMA state machine before each transfer. Stop doing it now as this counter- > measure has clearly caused more harm than good. > > This should fix the kernel.org bug #7703. > > Signed-off-by: Sergei Shtylyov Wow! applied