linux-kernel - RE: [EXT] [PATCH v1 4/4] scsi: ufs-mediatek: enable WriteBooster capability

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Date:   Wed, 29 Apr 2020 10:19:13 +0000
From:   "Bean Huo (beanhuo)" <beanhuo@...ron.com>
To:     Stanley Chu <stanley.chu@...iatek.com>,
        "linux-scsi@...r.kernel.org" <linux-scsi@...r.kernel.org>,
        "martin.petersen@...cle.com" <martin.petersen@...cle.com>,
        "avri.altman@....com" <avri.altman@....com>,
        "alim.akhtar@...sung.com" <alim.akhtar@...sung.com>,
        "jejb@...ux.ibm.com" <jejb@...ux.ibm.com>,
        "asutoshd@...eaurora.org" <asutoshd@...eaurora.org>
CC:     "cang@...eaurora.org" <cang@...eaurora.org>,
        "matthias.bgg@...il.com" <matthias.bgg@...il.com>,
        "bvanassche@....org" <bvanassche@....org>,
        "linux-mediatek@...ts.infradead.org" 
        <linux-mediatek@...ts.infradead.org>,
        "linux-arm-kernel@...ts.infradead.org" 
        <linux-arm-kernel@...ts.infradead.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        "kuohong.wang@...iatek.com" <kuohong.wang@...iatek.com>,
        "peter.wang@...iatek.com" <peter.wang@...iatek.com>,
        "chun-hung.wu@...iatek.com" <chun-hung.wu@...iatek.com>,
        "andy.teng@...iatek.com" <andy.teng@...iatek.com>
Subject: RE: [EXT] [PATCH v1 4/4] scsi: ufs-mediatek: enable WriteBooster
 capability

> -----Original Message-----
> From: Stanley Chu <stanley.chu@...iatek.com>
> Sent: Tuesday, April 28, 2020 1:14 PM
> To: linux-scsi@...r.kernel.org; martin.petersen@...cle.com;
> avri.altman@....com; alim.akhtar@...sung.com; jejb@...ux.ibm.com;
> asutoshd@...eaurora.org
> Cc: Bean Huo (beanhuo) <beanhuo@...ron.com>; cang@...eaurora.org;
> matthias.bgg@...il.com; bvanassche@....org; linux-
> mediatek@...ts.infradead.org; linux-arm-kernel@...ts.infradead.org; linux-
> kernel@...r.kernel.org; kuohong.wang@...iatek.com;
> peter.wang@...iatek.com; chun-hung.wu@...iatek.com;
> andy.teng@...iatek.com; Stanley Chu <stanley.chu@...iatek.com>
> Subject: [EXT] [PATCH v1 4/4] scsi: ufs-mediatek: enable WriteBooster capability
> 
> Enable WriteBooster capability on MediaTek UFS platforms.
> 
> Signed-off-by: Stanley Chu <stanley.chu@...iatek.com>
> ---
>  drivers/scsi/ufs/ufs-mediatek.c | 3 +++
>  1 file changed, 3 insertions(+)
> 
> diff --git a/drivers/scsi/ufs/ufs-mediatek.c b/drivers/scsi/ufs/ufs-mediatek.c
> index 673c16596fb2..15b9c420a3a5 100644
> --- a/drivers/scsi/ufs/ufs-mediatek.c
> +++ b/drivers/scsi/ufs/ufs-mediatek.c
> @@ -263,6 +263,9 @@ static int ufs_mtk_init(struct ufs_hba *hba)
>  	/* Enable clock-gating */
>  	hba->caps |= UFSHCD_CAP_CLK_GATING;
> 
> +	/* Enable WriteBooster */
> +	hba->caps |= UFSHCD_CAP_WB_EN;
> +
>  	/*
>  	 * ufshcd_vops_init() is invoked after
>  	 * ufshcd_setup_clock(true) in ufshcd_hba_init() thus
> --
> 2.18.0

Reviewed-by: Bean Huo <beanhuo@...ron.com>