On Thu, Nov 1, 2012 at 8:58 PM, Sergei Shtylyov <sshtylyov@xxxxxxxxxxxxx> wrote:
> 'acdev->qc', 'acdev->qc->ap', and 'acdev->qc->tf' expressions are used multiple
> times in this function, so it makes sense to use the local variables for them.
>
> Signed-off-by: Sergei Shtylyov <sshtylyov@xxxxxxxxxxxxx>
> Acked-by: Viresh Kumar <viresh.kumar@xxxxxxxxxx>
>
> ---
> The patch is atop of the 'upstream' branch of libata-dev.git...
>
> drivers/ata/pata_arasan_cf.c | 7 +++++--
> 1 file changed, 5 insertions(+), 2 deletions(-)
>
> Index: libata-dev/drivers/ata/pata_arasan_cf.c
> ===================================================================
> --- libata-dev.orig/drivers/ata/pata_arasan_cf.c
> +++ libata-dev/drivers/ata/pata_arasan_cf.c
> @@ -668,13 +668,16 @@ void arasan_cf_error_handler(struct ata_
>
> static void arasan_cf_dma_start(struct arasan_cf_dev *acdev)
> {
> + struct ata_queued_cmd *qc = acdev->qc;
> + struct ata_port *ap = qc->ap;
> + struct ata_taskfile *tf = &qc->tf;
> u32 xfer_ctr = readl(acdev->vbase + XFER_CTR) & ~XFER_DIR_MASK;
> - u32 write = acdev->qc->tf.flags & ATA_TFLAG_WRITE;
> + u32 write = tf->flags & ATA_TFLAG_WRITE;
>
> xfer_ctr |= write ? XFER_WRITE : XFER_READ;
> writel(xfer_ctr, acdev->vbase + XFER_CTR);
>
> - acdev->qc->ap->ops->sff_exec_command(acdev->qc->ap, &acdev->qc->tf);
> + ap->ops->sff_exec_command(ap, tf);
> ata_sff_queue_work(&acdev->work);
Looks fine. Thanks.
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