[PATCH v4 3/5] scsi: ufs: core: Fix mcq nr_hw_queues

[Po-Wen Kao]

Since MAXQ is 0 based value, add one to obtain number of hardware queue.

Signed-off-by: Po-Wen Kao <powen.kao at mediatek.com>
Reviewed-by: Bean Huo <beanhuo at micron.com>
Reviewed-by: Manivannan Sadhasivam <mani at kernel.org>
Reviewed-by: Bart Van Assche <bvanassche at acm.org>
Reviewed-by: Stanley Chu <stanley.chu at mediatek.com>
---
 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..c7b807f58dca 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;
 
 	tot_queues = UFS_MCQ_NUM_DEV_CMD_QUEUES + read_queues + poll_queues +
 			rw_queues;
-- 
2.18.0