]> git.baikalelectronics.ru Git - kernel.git/commit
projects / kernel.git / commit
? search:
summary | shortlog | log | commit | commitdiff | tree
(parent: 51c8960) | patch
scsi: hisi_sas: check PHY state in get_wideport_bitmap_v3_hw()
authorXiaofei Tan <tanxiaofei@huawei.com>
Tue, 24 Oct 2017 15:51:42 +0000 (23:51 +0800)
committerMartin K. Petersen <martin.petersen@oracle.com>
Tue, 31 Oct 2017 16:27:58 +0000 (12:27 -0400)
commitb9f45ffe6d6171451bf5e1efb99ebc62248fb04d
tree0f486ecc49a7d9274b0f182ec45408e669527a7btree | snapshot
parent51c8960b6d72d7677899a4b84ab894f0d888a756commit | diff
scsi: hisi_sas: check PHY state in get_wideport_bitmap_v3_hw()

We should check register PHY_STATE when getting the bitmap of a
wideport, as, if the PHY is not ready, the value of register
PHY_PORT_NUM_MA is not valid.

V2 hw has done this check, and v3 hw should do this check too.

Signed-off-by: Xiaofei Tan <tanxiaofei@huawei.com>
Signed-off-by: John Garry <john.garry@huawei.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
drivers/scsi/hisi_sas/hisi_sas_v3_hw.c diff | blob | history
Linux Kernel Source Tree.