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Date:   Mon, 11 May 2020 19:19:42 -0700
From:   "Asutosh Das (asd)" <asutoshd@...eaurora.org>
To:     Stanley Chu <stanley.chu@...iatek.com>, linux-scsi@...r.kernel.org,
        martin.petersen@...cle.com, avri.altman@....com,
        alim.akhtar@...sung.com, jejb@...ux.ibm.com
Cc:     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
Subject: Re: [PATCH v2 4/4] scsi: ufs-mediatek: customize WriteBooster flush
 policy

On 5/9/2020 2:37 AM, Stanley Chu wrote:
> Change the WriteBooster policy to keep VCC on during
> runtime suspend if available WriteBooster buffer is less
> than 80%.
> 
> Signed-off-by: Stanley Chu <stanley.chu@...iatek.com>
> ---
>   drivers/scsi/ufs/ufs-mediatek.c | 1 +
>   1 file changed, 1 insertion(+)
> 
> diff --git a/drivers/scsi/ufs/ufs-mediatek.c b/drivers/scsi/ufs/ufs-mediatek.c
> index 56620f7d88ce..94e97701f456 100644
> --- a/drivers/scsi/ufs/ufs-mediatek.c
> +++ b/drivers/scsi/ufs/ufs-mediatek.c
> @@ -271,6 +271,7 @@ static int ufs_mtk_init(struct ufs_hba *hba)
>   
>   	/* Enable WriteBooster */
>   	hba->caps |= UFSHCD_CAP_WB_EN;
> +	hba->vps->wb_flush_threshold = UFS_WB_BUF_REMAIN_PERCENT(80);
>   
>   	/*
>   	 * ufshcd_vops_init() is invoked after
> 

Patchset looks good to me.

Reviewed-by: Asutosh Das <asutoshd@...eaurora.org>


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