Re: [PATCH 2.6.26-rc2 1/3] sata_promise: fix irq clearing buglets

[Jeff Garzik <jeff@garzik.org>]

Mikael Pettersson wrote:
> This patch fixes two bugs in sata_promise's irq status clearing paths:
> 1. When clearing the irq status for a specific port, the driver
>    read the global SEQMASK register. This is wrong because that
>    clears the irq status for _all_ ports.
> 2. pdc_thaw() incorrectly added the PDC_INT_SEQMASK host register
>    offset to a per-port ata engine base address. This resulted in
>    it reading the unrelated PDC_PKT_SUBMIT register, which did not
>    have the desired irq status clearing effect.
> 
> In both cases the fix is to read from the port's Command/Status
> register. This also matches what Promise's own driver does.
> 
> Signed-off-by: Mikael Pettersson <mikpe@it.uu.se>
> ---
>  drivers/ata/sata_promise.c |    7 +++----
>  1 file changed, 3 insertions(+), 4 deletions(-)

is sata_sx4 similarly affected?