Re: [PATCH v1] scsi: ufs-mediatek: Enable UFSHCI_QUIRK_SKIP_MANUAL_WB_FLUSH_CTRL

From: Can Guo
Date: Tue Dec 22 2020 - 06:35:18 EST


On 2020-12-22 15:29, Stanley Chu wrote:
Flush during hibern8 is sufficient on MediaTek platforms, thus
enable UFSHCI_QUIRK_SKIP_MANUAL_WB_FLUSH_CTRL to skip enabling
fWriteBoosterBufferFlush during WriteBooster initialization.

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 80618af7c872..c55202b92a43 100644
--- a/drivers/scsi/ufs/ufs-mediatek.c
+++ b/drivers/scsi/ufs/ufs-mediatek.c
@@ -661,6 +661,7 @@ static int ufs_mtk_init(struct ufs_hba *hba)

/* Enable WriteBooster */
hba->caps |= UFSHCD_CAP_WB_EN;
+ hba->quirks |= UFSHCI_QUIRK_SKIP_MANUAL_WB_FLUSH_CTRL;
hba->vps->wb_flush_threshold = UFS_WB_BUF_REMAIN_PERCENT(80);

if (host->caps & UFS_MTK_CAP_DISABLE_AH8)

I guess we need it too...

Change LGTM.

Regards,

Can Guo.