[PATCH v3 4/5] scsi: ufs-mediatek: enable WriteBooster capability

From: Stanley Chu
Date: Fri May 01 2020 - 10:38:47 EST


Enable WriteBooster capability on MediaTek UFS platforms.

Signed-off-by: Stanley Chu <stanley.chu@xxxxxxxxxxxx>
Reviewed-by: Bean Huo <beanhuo@xxxxxxxxxx>
---
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