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

Bart Van Assche bvanassche at acm.org
Fri Apr 21 13:06:43 PDT 2023


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 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;

Please resend this patch.

Thanks,

Bart.



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