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| From | John Garry <john.garry@huawei.com> |
| Newsgroups | linux.kernel |
| Subject | [PATCH 06/15] hisi_sas: disable dlvry queues once at reset for v2 hw |
| Date | Tue, 06 Sep 2016 17:30:01 +0200 |
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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>
---
drivers/scsi/hisi_sas/hisi_sas_v2_hw.c | 4 +---
1 file changed, 1 insertion(+), 3 deletions(-)
diff --git a/drivers/scsi/hisi_sas/hisi_sas_v2_hw.c b/drivers/scsi/hisi_sas/hisi_sas_v2_hw.c
index 25e7c58..aca2b80 100644
--- a/drivers/scsi/hisi_sas/hisi_sas_v2_hw.c
+++ b/drivers/scsi/hisi_sas/hisi_sas_v2_hw.c
@@ -685,9 +685,7 @@ 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);
+ hisi_sas_write32(hisi_hba, DLVRY_QUEUE_ENABLE, 0);
/* Disable all of the PHYs */
for (i = 0; i < hisi_hba->n_phy; i++) {
--
1.9.1
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[PATCH 06/15] hisi_sas: disable dlvry queues once at reset for v2 hw John Garry <john.garry@huawei.com> - 2016-09-06 17:30 +0200
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