Re: 2.6.24-rc4-mm1 and Very Slow PCMCIA Compact Flash

Zan Lynx
2007-12-08T05:01:49Z

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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:
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> > > > Now with MM kernels 2.6.24 rc1-4 the PCMCIA adapter works again, but 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.
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> Maybe pata_pcmcia-minor-cleanups-and-support-for-dual-channel-cards.patch?
>
> Could you try a `patch -R' of the below?
>
>
> From: Alan Cox <alan@lxorguk.ukuu.org.uk>
>
> Signed-off-by: Alan Cox <alan@redhat.com>
> Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
> ---
>
> drivers/ata/pata_pcmcia.c | 31 +++++++++++++++++--------------
> 1 file changed, 17 insertions(+), 14 deletions(-)
>
> diff -puN drivers/ata/pata_pcmcia.c~pata_pcmcia-minor-cleanups-and-support-for-dual-channel-cards drivers/ata/pata_pcmcia.c
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Nope, that did not change anything. It still detects as PIO0 and still
runs at 1.6 MB/s.