Message ID | 1473176185-217808-7-git-send-email-john.garry@huawei.com (mailing list archive) |
---|---|
State | Accepted, archived |
Headers | show |
On 09/06/2016 05:36 PM, John Garry wrote: > 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++) { > Reviewed-by: Hannes Reinecke <hare@suse.com> Cheers, Hannes
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++) {
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(-)