Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) client-ip=23.128.96.18;
MIME-Version: 1.0
References: <20200604063559.18080-1-manivannan.sadhasivam@linaro.org>
In-Reply-To: <20200604063559.18080-1-manivannan.sadhasivam@linaro.org>
From:   Alim Akhtar <alim.akhtar@gmail.com>
Date:   Wed, 10 Jun 2020 09:05:59 +0530
Message-ID: <CAGOxZ505Zq=VDhG-S2h5yVRSqpUQmzYi=iYGTGgHAqZm0uOqRQ@mail.gmail.com>
Subject: Re: [PATCH] scsi: ufs: Bump supported UFS HCI version to 3.0
To:     Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
Cc:     Alim Akhtar <alim.akhtar@samsung.com>,
        Avri Altman <avri.altman@wdc.com>,
        "James E.J. Bottomley" <jejb@linux.ibm.com>,
        "Martin K. Petersen" <martin.petersen@oracle.com>,
        linux-scsi@vger.kernel.org,
        open list <linux-kernel@vger.kernel.org>,
        linux-arm-msm@vger.kernel.org, amit.kucheria@linaro.org
Content-Type: text/plain; charset="UTF-8"
Sender: linux-kernel-owner@vger.kernel.org
Precedence: bulk

HI Manivannan

On Thu, Jun 4, 2020 at 12:08 PM Manivannan Sadhasivam
<manivannan.sadhasivam@linaro.org> wrote:
>
> UFS HCI 3.0 versions are being used in Qcom SM8250 based boards. Hence,
> adding it to the list of supported versions.
>
> I don't have the exact information of the additional registers supported
> in version 3.0. Hence the change just adds 0x300 to the list of supported
> versions to remove the below warning:
>
> "ufshcd-qcom 1d84000.ufshc: invalid UFS version 0x300"
>
> Signed-off-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
> ---
>  drivers/scsi/ufs/ufshci.h | 1 +
>  1 file changed, 1 insertion(+)
>
> diff --git a/drivers/scsi/ufs/ufshci.h b/drivers/scsi/ufs/ufshci.h
> index c2961d37cc1c..f2ee81669b00 100644
> --- a/drivers/scsi/ufs/ufshci.h
> +++ b/drivers/scsi/ufs/ufshci.h
> @@ -104,6 +104,7 @@ enum {
>         UFSHCI_VERSION_11 = 0x00010100, /* 1.1 */
>         UFSHCI_VERSION_20 = 0x00000200, /* 2.0 */
>         UFSHCI_VERSION_21 = 0x00000210, /* 2.1 */
> +       UFSHCI_VERSION_30 = 0x00000300, /* 3.0 */

See the current discussion on this https://lkml.org/lkml/2020/4/27/192

>  };
>
>  /*
> --
> 2.17.1
>


-- 
Regards,
Alim