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scsi: hisi_sas: disable dlvry queues once at reset for v2 hw

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The Delivery queue enable register should only be written to once at
reset for v2 hw.

Signed-off-by: John Garry <john.garry@huawei.com>
Reviewed-by: Hannes Reinecke <hare@suse.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
This commit is contained in:
John Garry 2016-09-06 23:36:16 +08:00 committed by Martin K. Petersen
parent 433f569601
commit d0df8f9ad5
1 changed files with 1 additions and 3 deletions
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drivers/scsi/hisi_sas/hisi_sas_v2_hw.c
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@ -685,8 +685,6 @@ static int reset_hw_v2_hw(struct hisi_hba *hisi_hba)
else
reset_val = 0x7ffff;
/* Disable all of the DQ */
for (i = 0; i < HISI_SAS_MAX_QUEUES; i++)
hisi_sas_write32(hisi_hba, DLVRY_QUEUE_ENABLE, 0);
/* Disable all of the PHYs */