scsi: hisi_sas: fix a bug when free device for v3 hw

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Use completion to wait on ITCT CLR interrupt finishing before
processing other things when freeing a device.

This is safer than the pre-existing process of polling the register.

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>

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Xiang Chen 2017-10-24 23:51:46 +08:00 • committed by Martin K. Petersen

parent b4241f0fa3

commit 13cd5ed612

1 changed files with 7 additions and 18 deletions

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drivers/scsi/hisi_sas/hisi_sas_v3_hw.c

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