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scsi: ufs: core: Micro-optimize ufshcd_map_sg()
authorBart Van Assche <bvanassche@acm.org>
Wed, 20 Oct 2021 21:40:24 +0000 (14:40 -0700)
committerMartin K. Petersen <martin.petersen@oracle.com>
Wed, 27 Oct 2021 03:24:50 +0000 (23:24 -0400)
commit1ea7d8026300f72344bb574a12667f9543f73348
tree5f67c6a24671ff0bf59d4a7d338b10f5ac7ae9b8tree | snapshot
parent9a868c8ad3f467fe3487e3d96fc0e2f3c90f34f9commit | diff
scsi: ufs: core: Micro-optimize ufshcd_map_sg()

Replace two cpu_to_le32() calls by a single cpu_to_le64() call.

Additionally, issue a warning if the length of an scatter gather list
element exceeds what is allowed by the UFSHCI specification.

Link: https://lore.kernel.org/r/20211020214024.2007615-11-bvanassche@acm.org
Acked-by: Avri Altman <Avri.Altman@wdc.com>
Signed-off-by: Bart Van Assche <bvanassche@acm.org>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
drivers/scsi/ufs/ufshcd.c diff | blob | blame | history
drivers/scsi/ufs/ufshci.h diff | blob | blame | history
Linux 6.x block layer and io_uring tree(s)