scsi: hisi_sas: Remove some unnecessary code

Remove some unnecessary code, including:

 - Explicit zeroing of memory allocated for dmam_alloc_coherent()

 - Some duplicated code

 - Some redundant masking

Signed-off-by: Xiang Chen <chenxiang66@hisilicon.com>
Signed-off-by: John Garry <john.garry@huawei.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
This commit is contained in:
Xiang Chen 2019-08-05 21:48:10 +08:00 • committed by Martin K. Petersen
commit a07b48766c
2 changed files with 3 additions and 7 deletions