On 23.02.23 4:27 PM, Po-Wen Kao wrote:
Since MAXQ is 0 based value, add one to obtain number of hardware queue.
MAXQ in Multi-Circular Queue Capability Register is 0 based, hence ..
Signed-off-by: Po-Wen Kao<powen.kao@xxxxxxxxxxxx>
---
drivers/ufs/core/ufs-mcq.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/drivers/ufs/core/ufs-mcq.c b/drivers/ufs/core/ufs-mcq.c
index a39746b2a8be..f9af658b4ba2 100644
--- a/drivers/ufs/core/ufs-mcq.c
+++ b/drivers/ufs/core/ufs-mcq.c
@@ -150,7 +150,8 @@ static int ufshcd_mcq_config_nr_queues(struct ufs_hba *hba)
u32 hba_maxq, rem, tot_queues;
struct Scsi_Host *host = hba->host;
- hba_maxq = FIELD_GET(MAX_QUEUE_SUP, hba->mcq_capabilities);
+ /* maxq is 0 based value */
+ hba_maxq = FIELD_GET(MAX_QUEUE_SUP, hba->mcq_capabilities) + 1 ;
Reviewed-by: Bean Huo <beanhuo@xxxxxxxxxx>
