[PATCH 5.11 18/36] scsi: ufs-mediatek: Enable UFSHCI_QUIRK_SKIP_MANUAL_WB_FLUSH_CTRL

gregkh
2021-03-10T13:25:46Z

From: Stanley Chu <stanley.chu@mediatek.com>

[ Upstream commit 46ec9592ffd679fa26142dcb9e5119aad7e60b55 ]

Flush during hibern8 is sufficient on MediaTek platforms, thus enable
UFSHCI_QUIRK_SKIP_MANUAL_WB_FLUSH_CTRL to skip enabling
fWriteBoosterBufferFlush during WriteBooster initialization.

Link: https://lore.kernel.org/r/20201222072928.32328-1-stanley.chu@mediatek.com
Reviewed-by: Avri Altman <avri.altman@wdc.com>
Signed-off-by: Stanley Chu <stanley.chu@mediatek.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
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)
--
2.30.1