From mboxrd@z Thu Jan  1 00:00:00 1970
From: Jeff Garzik <jeff@garzik.org>
Subject: Re: [PATCH] libata: clear TF before IDENTIFYing
Date: Thu, 15 Feb 2007 18:08:58 -0500
Message-ID: <45D4E80A.1010300@garzik.org>
References: <20070202151856.GD1625@htj.dyndns.org> <20070202211441.GA2933@artsapartment.org> <45C3EECF.2080100@gmail.com> <45C4E6BB.6020307@pobox.com> <45C84650.3030703@gmail.com> <20070206163303.GA2185@artsapartment.org> <45C93F1D.8090504@gmail.com> <20070207193513.GA1929@artsapartment.org> <45CA2DBF.9040403@pobox.com> <45CA3895.5010108@gmail.com>
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To: Tejun Heo <htejun@gmail.com>
Cc: Mark Lord <mlord@pobox.com>, Art Haas <ahaas@airmail.net>, Alan Cox <alan@lxorguk.ukuu.org.uk>, linux-ide@vger.kernel.org, Albert Lee <albertcc@tw.ibm.com>, Sergei Shtylyov <sshtylyov@ru.mvista.com>, stable@kernel.org

Tejun Heo wrote:
> Some devices chock if Feature is not clear when IDENTIFY is issued.
> Set ATA_TFLAG_ISADDR | ATA_TFLAG_DEVICE for IDENTIFY such that whole
> TF is cleared when reading ID data.
> 
> Kudos to Art Haas for testing various futile patches over several
> months and Mark Lord for pointing out the fix.
> 
> Signed-off-by: Tejun Heo <htejun@gmail.com>
> Cc: Art Haas <ahaas@airmail.net>
> Cc: Mark Lord <mlord@pobox.com>
> ---
> I think this should go into -stable but a little bit hesitant because
> the code hasn't been tested widely.  This patch should really be
> harmless but who knows.  Jeff, Mark, what do you think?

applied