Re: [PATCH #upstream-fixes] libata: skip 0xff polling for PATA controllers

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On Thu, 08 Nov 2007 11:20:18 +0900
Tejun Heo <htejun@xxxxxxxxx> wrote:

> In a presentation of true workmanship, pata_ali asserts IRQ
> permanantly if the TF status register is read more than once when
> there's no device attached to the port.
> 
> Avoid waiting polling for !0xff if it's PATA.  It's needed only for
> some rare SATA devices anyway.
> 
> This problem is reported by Luca Tettamanti in bugzilla bug 9298.
> 
> Signed-off-by: Tejun Heo <htejun@xxxxxxxxx>
> Tested-By: Luca Tettamanti <kronos.it@xxxxxxxxx>
> ---
>  drivers/ata/libata-core.c |   16 +++++++++++-----
>  1 file changed, 11 insertions(+), 5 deletions(-)

Bletch.. 8)

Acked-by: Alan Cox <alan@xxxxxxxxxx>

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