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ieee1394: sbp2: relax SCSI DMA alignment
author
Stefan Richter
<stefanr@s5r6.in-berlin.de>
Sun, 27 Jan 2008 21:32:22 +0000
(22:32 +0100)
committer
Stefan Richter
<stefanr@s5r6.in-berlin.de>
Fri, 18 Apr 2008 15:55:29 +0000
(17:55 +0200)
Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de>
drivers/ieee1394/sbp2.c
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diff --git
a/drivers/ieee1394/sbp2.c
b/drivers/ieee1394/sbp2.c
index
f53f72d
..
5f713a0
100644
(file)
--- 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;
- /*
- * Update the dma alignment (minimum alignment requirements for
- * start and end of DMA transfers) to be a sector
- */
- blk_queue_update_dma_alignment(sdev->request_queue, 511);
+ /* SBP-2 requires quadlet alignment of the data buffers. */
+ blk_queue_update_dma_alignment(sdev->request_queue, 4 - 1);
if (lu->workarounds & SBP2_WORKAROUND_INQUIRY_36)
sdev->inquiry_len = 36;