Re: [PATCH v2 4/4] scsi: ufs-mediatek: customize WriteBooster flush policy
From: Asutosh Das (asd)
Date: Mon May 11 2020 - 22:20:08 EST
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@xxxxxxxxxxxx>
---
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@xxxxxxxxxxxxxx>
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