ata_sff_qc_issue() can't handle DMA commands and thus we have to avoid it for
them. Do call ata_bmdma_qc_issue() instead for this case.

Suggested-by: Christian Lamparter <chunk...@googlemail.com>
Signed-off-by: Andy Shevchenko <andriy.shevche...@linux.intel.com>
---
 drivers/ata/sata_dwc_460ex.c | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/drivers/ata/sata_dwc_460ex.c b/drivers/ata/sata_dwc_460ex.c
index 038e5fb..845c35d 100644
--- a/drivers/ata/sata_dwc_460ex.c
+++ b/drivers/ata/sata_dwc_460ex.c
@@ -1061,10 +1061,12 @@ static unsigned int sata_dwc_qc_issue(struct 
ata_queued_cmd *qc)
                        __func__, tag, qc->ap->link.sactive, sactive);
 
                ap->ops->sff_tf_load(ap, &qc->tf);
-               sata_dwc_exec_command_by_tag(ap, &qc->tf, qc->tag,
+               sata_dwc_exec_command_by_tag(ap, &qc->tf, tag,
                                             SATA_DWC_CMD_ISSUED_PEND);
+       } else if (ata_is_dma(qc->tf.protocol)) {
+               return ata_bmdma_qc_issue(qc);
        } else {
-               ata_sff_qc_issue(qc);
+               return ata_sff_qc_issue(qc);
        }
        return 0;
 }
-- 
2.8.0.rc3

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