linux-kernel - Re: [PATCH v1 3/3] scsi: ufs: Use UPIU query trace in devman_upiu

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Date:   Sun, 23 May 2021 18:32:58 -0700
From:   Bart Van Assche <bvanassche@....org>
To:     Bean Huo <huobean@...il.com>, alim.akhtar@...sung.com,
        avri.altman@....com, asutoshd@...eaurora.org, jejb@...ux.ibm.com,
        martin.petersen@...cle.com, stanley.chu@...iatek.com,
        beanhuo@...ron.com, tomas.winkler@...el.com, cang@...eaurora.org
Cc:     linux-scsi@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH v1 3/3] scsi: ufs: Use UPIU query trace in devman_upiu_cmd

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?

Thanks,

Bart.