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Date: Sun, 27 Jan 2008 22:31:27 +0100 (CET) From: Stefan Richter <stefanr@...6.in-berlin.de> To: linux1394-devel@...ts.sourceforge.net cc: linux-scsi@...r.kernel.org, linux-kernel@...r.kernel.org Subject: [PATCH 2.6.24-git3] firewire: fw-sbp2: relax SCSI DMA alignment Signed-off-by: Stefan Richter <stefanr@...6.in-berlin.de> --- Not run-time tested yet. drivers/firewire/fw-sbp2.c | 7 ++----- 1 file changed, 2 insertions(+), 5 deletions(-) Index: linux-2.6.24-git3/drivers/firewire/fw-sbp2.c =================================================================== --- linux-2.6.24-git3.orig/drivers/firewire/fw-sbp2.c +++ linux-2.6.24-git3/drivers/firewire/fw-sbp2.c @@ -1309,11 +1309,8 @@ static int sbp2_scsi_slave_alloc(struct 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; -- Stefan Richter -=====-==--- ---= ==-== http://arcgraph.de/sr/ -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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