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authorStefan Richter <stefanr@s5r6.in-berlin.de>2008-01-27 22:32:22 +0100
committerStefan Richter <stefanr@s5r6.in-berlin.de>2008-04-18 17:55:29 +0200
commita4b47d62c5018e81e2b8ee9843d8a8268e886d25 (patch)
treec07ce7fcc9c1cd06df8673d88bccfdde67beef19 /drivers/ieee1394
parent4b119e21d0c66c22e8ca03df05d9de623d0eb50f (diff)
ieee1394: sbp2: relax SCSI DMA alignment
Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de>
Diffstat (limited to 'drivers/ieee1394')
-rw-r--r--drivers/ieee1394/sbp2.c7
1 files changed, 2 insertions, 5 deletions
diff --git a/drivers/ieee1394/sbp2.c b/drivers/ieee1394/sbp2.c
index f53f72daae34..5f713a01f044 100644
--- 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;