Re: [PATCH v2 4/4] scsi: ufs: Use UPIU query trace in devman_upiu_cmd

[Can Guo <cang@codeaurora.org>]

Hi Bean,

On 2021-05-31 18:43, Bean Huo wrote:
> From: Bean Huo <beanhuo@micron.com>
> 
> Since devman_upiu_cmd is not COMMAND UPIU, and doesn't have
> CDB, it is better to use UPIU query trace, which provides more
> helpful information for issue shooting.
> 
> Signed-off-by: Bean Huo <beanhuo@micron.com>
> ---
>  drivers/scsi/ufs/ufshcd.c | 3 +++
>  1 file changed, 3 insertions(+)
> 
> diff --git a/drivers/scsi/ufs/ufshcd.c b/drivers/scsi/ufs/ufshcd.c
> index c84bd8e045f6..deb9e232b349 100644
> --- a/drivers/scsi/ufs/ufshcd.c
> +++ b/drivers/scsi/ufs/ufshcd.c
> @@ -6701,6 +6701,7 @@ static int ufshcd_issue_devman_upiu_cmd(struct
> ufs_hba *hba,
> 
>  	hba->dev_cmd.complete = &wait;
> 
> +	ufshcd_add_query_upiu_trace(hba, UFS_QUERY_SEND, lrbp->ucd_req_ptr);
>  	/* Make sure descriptors are ready before ringing the doorbell */
>  	wmb();
>  	spin_lock_irqsave(hba->host->host_lock, flags);
> @@ -6732,6 +6733,8 @@ static int ufshcd_issue_devman_upiu_cmd(struct
> ufs_hba *hba,
>  			err = -EINVAL;
>  		}
>  	}
> +	ufshcd_add_query_upiu_trace(hba, err ? UFS_QUERY_ERR : 
> UFS_QUERY_COMP,
> +				    (struct utp_upiu_req *)lrbp->ucd_rsp_ptr);
> 
>  out:
>  	blk_put_request(req);

What about ufshcd_exec_dev_cmd()?

Thanks,
Can Guo.