linux-kernel - Re: libata and legacy ide pcmcia failure

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Message-ID: <20070521123738.GA30639@devserv.devel.redhat.com>
Date:	Mon, 21 May 2007 08:37:38 -0400
From:	Alan Cox <alan@...hat.com>
To:	Tejun Heo <htejun@...il.com>
Cc:	Robert de Rooy <robert.de.rooy@...il.com>,
	linux-kernel@...r.kernel.org, alan@...hat.com, bzolnier@...il.com,
	jgarzik@...ox.com
Subject: Re: libata and legacy ide pcmcia failure

On Mon, May 21, 2007 at 01:50:48PM +0200, Tejun Heo wrote:
> > May 20 23:02:56 localhost kernel: ata3.00: qc timeout (cmd 0xef)
> > May 20 23:02:56 localhost kernel: ata3.00: failed to set xfermode
> > (err_mask=0x4)
> 
> Hmmm... It doesn't like SETXFERMASK either.  Please try the attached patch.

The CF 1.1 command list is pretty short. Unfortunately the patch you've
given below won't itself cure the problem as some of the newer CF cards do
need SETXFERMASK issuing to do higher PIO modes.

The CFA people also didn't put the CFA version in the ident data. What might
work sanely would be

	if (supports_pio == only_pio0 && cfa)

Alan

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