linux-kernel - Re: [PATCH 05/20] pata_efar: always program master_data before slave

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Message-ID: <4D514754.30203@ru.mvista.com>
Date:	Tue, 08 Feb 2011 16:38:28 +0300
From:	Sergei Shtylyov <sshtylyov@...sta.com>
To:	Alan Cox <alan@...rguk.ukuu.org.uk>
CC:	Bartlomiej Zolnierkiewicz <bzolnier@...il.com>,
	linux-ide@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH 05/20] pata_efar: always program master_data before slave_data

Hello.

On 08-02-2011 16:25, Alan Cox wrote:

>>>> We may need to set SITRE before programming slave_data.

>>> Do you have a documentation cite for this or is it random fiddling with a
>>> driver you can't test ?

>> It is good to enable SITRE register before programming it and all
>> Intel controllers

> That sounds like someone quoting religion. Documentation cite please.

    SLC90E66 datasheet only says that SIDETIM register has no effect without 
SITRE bit set.

WBR, Sergei
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