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Subject: Re: [PATCH v1 3/3] scsi: ufs: Use UPIU query trace in
 devman_upiu_cmd
From:   Bean Huo <huobean@gmail.com>
To:     Bart Van Assche <bvanassche@acm.org>, alim.akhtar@samsung.com,
        avri.altman@wdc.com, asutoshd@codeaurora.org, jejb@linux.ibm.com,
        martin.petersen@oracle.com, stanley.chu@mediatek.com,
        beanhuo@micron.com, tomas.winkler@intel.com, cang@codeaurora.org
Cc:     linux-scsi@vger.kernel.org, linux-kernel@vger.kernel.org
Date:   Tue, 25 May 2021 22:04:06 +0200
In-Reply-To: <74d9b6e5-489d-9267-1c6f-c59f9164136d@acm.org>
References: <20210523211409.210304-1-huobean@gmail.com>
         <20210523211409.210304-4-huobean@gmail.com>
         <74d9b6e5-489d-9267-1c6f-c59f9164136d@acm.org>
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On Sun, 2021-05-23 at 18:32 -0700, Bart Van Assche wrote:
> On 5/23/21 2:14 PM, Bean Huo wrote:
> 
> > +     ufshcd_add_query_upiu_trace(hba, err ? UFS_QUERY_ERR :
> > UFS_QUERY_COMP,
> > +                                 (struct utp_upiu_req *)lrbp-
> > >ucd_rsp_ptr);
> 
> 
> Why is there a cast in the above code from a response pointer to a
> 
> request pointer type?
> 
> 

Ok, I think it is the same question as one in patch 1/3.

> 
> Thanks,
> 
> 
> 
> Bart.