scsi: ufs: core: Fix MCQ nr_hw_queues

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

Signed-off-by: Po-Wen Kao <powen.kao@mediatek.com>
Link: https://lore.kernel.org/r/20230504154454.26654-4-powen.kao@mediatek.com
Reviewed-by: Bean Huo <beanhuo@micron.com>
Reviewed-by: Manivannan Sadhasivam <mani@kernel.org>
Reviewed-by: Bart Van Assche <bvanassche@acm.org>
Reviewed-by: Stanley Chu <stanley.chu@mediatek.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>

diff --git a/drivers/ufs/core/ufs-mcq.c b/drivers/ufs/core/ufs-mcq.c
index 937933d..51b3c6a 100644 (file)
--- 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;