>>> On 09.09.10 at 17:00, Tejun Heo <tj@xxxxxxxxxx> wrote:
> Can you please test whether the patch at the end of this message is
> enough to fix the problem?
Both the revert of the original change and the patch here solved the
problem also for me (on .36-rc3).
Thanks, Jan
> diff --git a/drivers/ata/libata-sff.c b/drivers/ata/libata-sff.c
> index 030b1c4..6a43129 100644
> --- a/drivers/ata/libata-sff.c
> +++ b/drivers/ata/libata-sff.c
> @@ -418,6 +418,7 @@ void ata_sff_tf_load(struct ata_port *ap, const struct
> ata_taskfile *tf)
> if (ioaddr->ctl_addr)
> iowrite8(tf->ctl, ioaddr->ctl_addr);
> ap->last_ctl = tf->ctl;
> + ap->ops->sff_check_status(ap);
> }
>
> if (is_addr && (tf->flags & ATA_TFLAG_LBA48)) {
> @@ -453,6 +454,7 @@ void ata_sff_tf_load(struct ata_port *ap, const struct
> ata_taskfile *tf)
> iowrite8(tf->device, ioaddr->device_addr);
> VPRINTK("device 0x%X\n", tf->device);
> }
> + ap->ops->sff_check_status(ap);
> }
> EXPORT_SYMBOL_GPL(ata_sff_tf_load);
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