Subject: Re: 2.6.24-rc4-mm1 and Very Slow PCMCIA Compact Flash
From: Zan Lynx <zlynx@acm.org>
To: Andrew Morton <akpm@linux-foundation.org>
Cc: linux-kernel@vger.kernel.org, linux-pcmcia@lists.infradead.org,
       linux-ide@vger.kernel.org
In-Reply-To: <20071207152249.360af326.akpm@linux-foundation.org>
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Date: Fri, 07 Dec 2007 22:01:33 -0700
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On Fri, 2007-12-07 at 15:22 -0800, Andrew Morton wrote:
> On Fri, 07 Dec 2007 23:09:43 +0000
> Zan Lynx <zlynx@acm.org> wrote:
[cut]=20
> > > > Now with MM kernels 2.6.24 rc1-4 the PCMCIA adapter works again, bu=
t I
> > > > only get read rates of 1.6 MB/s.  When it used to work in 2.6.20 I =
got
> > > > at least 16 MB/s.  The card itself is capable of 30+ in the USB-2
> > > > reader.
[cut]
> Maybe pata_pcmcia-minor-cleanups-and-support-for-dual-channel-cards.patch=
?
>=20
> Could you try a `patch -R' of the below?
>=20
>=20
> From: Alan Cox <alan@lxorguk.ukuu.org.uk>
>=20
> Signed-off-by: Alan Cox <alan@redhat.com>
> Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
> ---
>=20
>  drivers/ata/pata_pcmcia.c |   31 +++++++++++++++++--------------
>  1 file changed, 17 insertions(+), 14 deletions(-)
>=20
> diff -puN drivers/ata/pata_pcmcia.c~pata_pcmcia-minor-cleanups-and-suppor=
t-for-dual-channel-cards drivers/ata/pata_pcmcia.c
[cut]

Nope, that did not change anything.  It still detects as PIO0 and still
runs at 1.6 MB/s.
--=20
Zan Lynx <zlynx@acm.org>

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