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@xxxxxxxxxx>
> ---
> 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@xxxxxxxx>
Cheers,
Hannes
--
Dr. Hannes Reinecke zSeries & Storage
hare@xxxxxxx +49 911 74053 688
SUSE LINUX Products GmbH, Maxfeldstr. 5, 90409 Nürnberg
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