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From:   Stanley Chu <chu.stanley@gmail.com>
Date:   Thu, 1 Dec 2022 08:46:37 +0800
Message-ID: <CAGaU9a-T3YFQ6XJAee_zU9idN=cx=KLaONtMppAabv6oMPxwMw@mail.gmail.com>
Subject: Re: [PATCH v9 02/16] ufs: core: Probe for ext_iid support
To:     Asutosh Das <quic_asutoshd@quicinc.com>
Cc:     quic_cang@quicinc.com, martin.petersen@oracle.com,
        linux-scsi@vger.kernel.org, quic_nguyenb@quicinc.com,
        quic_xiaosenh@quicinc.com, stanley.chu@mediatek.com,
        eddie.huang@mediatek.com, daejun7.park@samsung.com,
        bvanassche@acm.org, avri.altman@wdc.com, mani@kernel.org,
        beanhuo@micron.com, linux-arm-msm@vger.kernel.org,
        Alim Akhtar <alim.akhtar@samsung.com>,
        "James E.J. Bottomley" <jejb@linux.ibm.com>,
        Jinyoung Choi <j-young.choi@samsung.com>,
        Kiwoong Kim <kwmad.kim@samsung.com>,
        open list <linux-kernel@vger.kernel.org>
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On Thu, Dec 1, 2022 at 8:05 AM Asutosh Das <quic_asutoshd@quicinc.com> wrote:
>
> Task Tag is limited to 8 bits and this restricts the number
> of active IOs to 255.
> In Multi-circular queue mode, this may not be enough.
> The specification provides EXT_IID which can be used to increase
> the number of IOs if the UFS device and UFSHC support it.
> This patch adds support to probe for ext_iid support in
> ufs device and UFSHC.
>
> Co-developed-by: Can Guo <quic_cang@quicinc.com>
> Signed-off-by: Can Guo <quic_cang@quicinc.com>
> Signed-off-by: Asutosh Das <quic_asutoshd@quicinc.com>
> Reviewed-by: Bart Van Assche <bvanassche@acm.org>
> Reviewed-by: Avri Altman <avri.altman@wdc.com>
> Reviewed-by: Manivannan Sadhasivam <mani@kernel.org>

Reviewed-by: Stanley Chu <stanley.chu@mediatek.com>