linux-kernel - Re: [PATCH v3 14/17] ufs: mcq: Add completion support of a cqe

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Message-ID: <712bf977-26c5-db5b-158a-9b3d8b0f2125@acm.org>
Date:   Fri, 28 Oct 2022 15:05:52 -0700
From:   Bart Van Assche <bvanassche@....org>
To:     Asutosh Das <quic_asutoshd@...cinc.com>, quic_cang@...cinc.com,
        martin.petersen@...cle.com, linux-scsi@...r.kernel.org
Cc:     quic_nguyenb@...cinc.com, quic_xiaosenh@...cinc.com,
        stanley.chu@...iatek.com, eddie.huang@...iatek.com,
        daejun7.park@...sung.com, avri.altman@....com, mani@...nel.org,
        beanhuo@...ron.com, quic_richardp@...cinc.com,
        linux-arm-msm@...r.kernel.org,
        Alim Akhtar <alim.akhtar@...sung.com>,
        "James E.J. Bottomley" <jejb@...ux.ibm.com>,
        Andy Gross <agross@...nel.org>,
        Bjorn Andersson <bjorn.andersson@...aro.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>,
        Kiwoong Kim <kwmad.kim@...sung.com>,
        open list <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH v3 14/17] ufs: mcq: Add completion support of a cqe

On 10/20/22 11:03, Asutosh Das wrote:
> Add support for completing requests from Completion Queue.
> Some HC support vendor specific registers that provide a
> bit-map of all CQ's which have at least one completed CQE.
> Add this support.
> The MCQ specification doesn't provide the Task Tag or its
> equivalent in the Completion Queue Entry.
> So use an indirect method to find the Task Tag from the
> Completion Queue Entry.

Please change "HC" into "host controllers" since it is an uncommon 
abbreviation.

> +	int tag;
> +
> +	tag = ufshcd_mcq_get_tag(hba, hwq, cqe);

Please combine the above declaration and assignment into a single line.

Otherwise this patch looks good to me. Hence:

Reviewed-by: Bart Van Assche <bvanassche@....org>