scsi: dc395x: fix DMA API usage in sg_update_list
[ Upstream commit 6c404a68bf83b4135a8a9aa1c388ebdf98e8ba7f ] We need to transfer device ownership to the CPU before we can manipulate the mapped data. Signed-off-by: NChristoph Hellwig <hch@lst.de> Signed-off-by: NMartin K. Petersen <martin.petersen@oracle.com> Signed-off-by: NSasha Levin <sashal@kernel.org>
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