From mboxrd@z Thu Jan 1 00:00:00 1970 From: Bartlomiej Zolnierkiewicz Subject: Re: [PATCH] ide: identify data word 53 bit 1 doesn't cover words 62 and 63 (take 3) Date: Wed, 11 Mar 2009 17:35:13 +0100 Message-ID: <200903111735.13247.bzolnier@gmail.com> References: <200903101744.54938.sshtylyov@ru.mvista.com> Mime-Version: 1.0 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: 7bit Return-path: Received: from ey-out-2122.google.com ([74.125.78.26]:8407 "EHLO ey-out-2122.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751406AbZCKRAu (ORCPT ); Wed, 11 Mar 2009 13:00:50 -0400 Received: by ey-out-2122.google.com with SMTP id 25so23606eya.37 for ; Wed, 11 Mar 2009 10:00:48 -0700 (PDT) In-Reply-To: <200903101744.54938.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 On Tuesday 10 March 2009, Sergei Shtylyov wrote: > The IDE code assumed for years that the bit 1 of the identify data word 53 also > covers the validity of the SW/MW DMA information in words 62 and 63, but it has > always covered only words 64 thru 70, with words 62 and 63 being defined in the > original ATA spec, not in ATA-2... > > This fix however should only concern *very* old hard disks and rather old CF > cards... > > Signed-off-by: Sergei Shtylyov > > --- > This patch is against the recent Linus' tree... > I failed to notice that this change is needed not only in generic code but in > the couple of drivers too -- hence another take... applied (I just replaced the older patch with this one)