linux-kernel - RE: [PATCH v2 3/3] ufs-qcom: scsi: configure write booster type

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Message-ID: <SN6PR04MB46405270EB2E9FEF579F1115FCD20@SN6PR04MB4640.namprd04.prod.outlook.com>
Date:   Wed, 22 Apr 2020 08:51:55 +0000
From:   Avri Altman <Avri.Altman@....com>
To:     Asutosh Das <asutoshd@...eaurora.org>,
        "cang@...eaurora.org" <cang@...eaurora.org>,
        "martin.petersen@...cle.com" <martin.petersen@...cle.com>,
        "linux-scsi@...r.kernel.org" <linux-scsi@...r.kernel.org>
CC:     "linux-arm-msm@...r.kernel.org" <linux-arm-msm@...r.kernel.org>,
        Andy Gross <agross@...nel.org>,
        Bjorn Andersson <bjorn.andersson@...aro.org>,
        Alim Akhtar <alim.akhtar@...sung.com>,
        "James E.J. Bottomley" <jejb@...ux.ibm.com>,
        open list <linux-kernel@...r.kernel.org>
Subject: RE: [PATCH v2 3/3] ufs-qcom: scsi: configure write booster type

 
> 
> Configure the WriteBooster type to preserve user-space mode.
> This would ensure that no user-space capacity is reduced
> when write booster is enabled.
The above does no longer apply - leftover from previous patch?

Thanks,
Avri

> Enable WB for Qualcomm platform.
> 
> Signed-off-by: Asutosh Das <asutoshd@...eaurora.org>
> ---
>  drivers/scsi/ufs/ufs-qcom.c | 1 +
>  1 file changed, 1 insertion(+)
> 
> diff --git a/drivers/scsi/ufs/ufs-qcom.c b/drivers/scsi/ufs/ufs-qcom.c
> index 19aa5c4..6e4000d 100644
> --- a/drivers/scsi/ufs/ufs-qcom.c
> +++ b/drivers/scsi/ufs/ufs-qcom.c
> @@ -1071,6 +1071,7 @@ static void ufs_qcom_set_caps(struct ufs_hba
> *hba)
>         hba->caps |= UFSHCD_CAP_CLK_GATING |
> UFSHCD_CAP_HIBERN8_WITH_CLK_GATING;
>         hba->caps |= UFSHCD_CAP_CLK_SCALING;
>         hba->caps |= UFSHCD_CAP_AUTO_BKOPS_SUSPEND;
> +       hba->caps |= UFSHCD_CAP_WB_EN;
> 
>         if (host->hw_ver.major >= 0x2) {
>                 host->caps = UFS_QCOM_CAP_QUNIPRO |
> --
> Qualcomm Innovation Center, Inc. is a member of Code Aurora Forum, a
> Linux Foundation Collaborative Project.