From 8ac3a47cab32e5e5a40de4bc210b5b0063bf6e84 Mon Sep 17 00:00:00 2001 From: Stefan Richter Date: Sun, 27 Jan 2008 22:31:27 +0100 Subject: [PATCH] firewire: fw-sbp2: relax SCSI DMA alignment Signed-off-by: Stefan Richter --- drivers/firewire/fw-sbp2.c | 7 ++----- 1 file changed, 2 insertions(+), 5 deletions(-) diff --git a/drivers/firewire/fw-sbp2.c b/drivers/firewire/fw-sbp2.c index c7aba5cff5d2..ea62e825a3b6 100644 --- a/drivers/firewire/fw-sbp2.c +++ b/drivers/firewire/fw-sbp2.c @@ -1518,11 +1518,8 @@ static int sbp2_scsi_slave_alloc(struct scsi_device *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->tgt->workarounds & SBP2_WORKAROUND_INQUIRY_36) sdev->inquiry_len = 36; -- 2.20.1