Re: [patch for 2.6.29? 2/4] pata_amd: program FIFO

[Jeff Garzik <jeff@garzik.org>]

akpm@linux-foundation.org wrote:
> From: Alan Cox <alan@lxorguk.ukuu.org.uk>
> 
> With 32bit PIO we can use the posted write buffers, but only for 32bit I/O
> cycles.  This means we must disable the FIFO for ATAPI where a final 16bit
> cycle may occur.
> 
> Rework the FIFO logic so that we disable the FIFO then selectively
> re-enable it when we set the timings on AMD devices.  Also fix a case
> where we scribbled on PCI config 0x41 of Nvidia chips when we shouldn't.
> 
> Signed-off-by: Alan Cox <alan@lxorguk.ukuu.org.uk>
> Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
> ---
> 
>  drivers/ata/pata_amd.c |   76 ++++++++++++++++++++++++++++++---------
>  1 file changed, 59 insertions(+), 17 deletions(-)

applied