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

Po-Wen Kao posted 5 patches 1 year, 8 months ago
There is a newer version of this series
[PATCH v4 3/5] scsi: ufs: core: Fix mcq nr_hw_queues
Posted by Po-Wen Kao 1 year, 8 months ago
Since MAXQ is 0 based value, add one to obtain number of hardware queue.

Signed-off-by: Po-Wen Kao <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>
---
 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
Re: [PATCH v4 3/5] scsi: ufs: core: Fix mcq nr_hw_queues
Posted by Bart Van Assche 1 year, 6 months ago
On 3/6/23 22:54, Po-Wen Kao wrote:
> Since MAXQ is 0 based value, add one to obtain number of hardware queue.
> 
> Signed-off-by: Po-Wen Kao <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>
> ---
>   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;

Please resend this patch.

Thanks,

Bart.