ieee1394: sbp2: relax SCSI DMA alignment

Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de>

ieee1394: sbp2: relax SCSI DMA alignment
Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de>
a4b47d62 · Stefan Richter · 4b119e21 · a4b47d62
Commit a4b47d62 authored Jan 27, 2008 by Stefan Richter
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Showing with 2 additions and 5 deletions

drivers/ieee1394/sbp2.c drivers/ieee1394/sbp2.c +2 -5

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--- a/drivers/ieee1394/sbp2.c
+++ b/drivers/ieee1394/sbp2.c
@@ -1985,11 +1985,8 @@ static int sbp2scsi_slave_alloc(struct scsi_device *sdev)
 	lu->sdev = sdev;
 	sdev->allow_restart = 1;
-	/*
+	/* SBP-2 requires quadlet alignment of the data buffers. */
-	 * Update the dma alignment (minimum alignment requirements for
+	blk_queue_update_dma_alignment(sdev->request_queue, 4 - 1);
-	 * start and end of DMA transfers) to be a sector
-	 */
-	blk_queue_update_dma_alignment(sdev->request_queue, 511);
 	if (lu->workarounds & SBP2_WORKAROUND_INQUIRY_36)
 		sdev->inquiry_len = 36;