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-rw-r--r--drivers/ata/libata-scsi.c12
1 files changed, 8 insertions, 4 deletions
diff --git a/drivers/ata/libata-scsi.c b/drivers/ata/libata-scsi.c
index 4bb268b9aae..bc5cf6b8a4b 100644
--- a/drivers/ata/libata-scsi.c
+++ b/drivers/ata/libata-scsi.c
@@ -824,9 +824,6 @@ static void ata_scsi_sdev_config(struct scsi_device *sdev)
* requests.
*/
sdev->max_device_blocked = 1;
-
- /* set the min alignment */
- blk_queue_update_dma_alignment(sdev->request_queue, ATA_DMA_PAD_SZ - 1);
}
static void ata_scsi_dev_config(struct scsi_device *sdev,
@@ -842,7 +839,14 @@ static void ata_scsi_dev_config(struct scsi_device *sdev,
if (dev->class == ATA_DEV_ATAPI) {
struct request_queue *q = sdev->request_queue;
blk_queue_max_hw_segments(q, q->max_hw_segments - 1);
- }
+
+ /* set the min alignment */
+ blk_queue_update_dma_alignment(sdev->request_queue,
+ ATA_DMA_PAD_SZ - 1);
+ } else
+ /* ATA devices must be sector aligned */
+ blk_queue_update_dma_alignment(sdev->request_queue,
+ ATA_SECT_SIZE - 1);
if (dev->flags & ATA_DFLAG_AN)
set_bit(SDEV_EVT_MEDIA_CHANGE, sdev->supported_events);