[PATCH v1 3/4] scsi: ufs-mediatek: configure customized auto-hibern8 timer

[Stanley Chu]

Configure customized auto-hibern8 timer in MediaTek Chipsets.

Signed-off-by: Stanley Chu <stanley.chu@xxxxxxxxxxxx>
---
 drivers/scsi/ufs/ufs-mediatek.c | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/drivers/scsi/ufs/ufs-mediatek.c b/drivers/scsi/ufs/ufs-mediatek.c
index 690483c78212..71e2e0e4ea11 100644
--- a/drivers/scsi/ufs/ufs-mediatek.c
+++ b/drivers/scsi/ufs/ufs-mediatek.c
@@ -7,6 +7,7 @@
  */
 
 #include <linux/arm-smccc.h>
+#include <linux/bitfield.h>
 #include <linux/of.h>
 #include <linux/of_address.h>
 #include <linux/phy/phy.h>
@@ -300,6 +301,13 @@ static int ufs_mtk_post_link(struct ufs_hba *hba)
 	/* enable unipro clock gating feature */
 	ufs_mtk_cfg_unipro_cg(hba, true);
 
+	/* configure auto-hibern8 timer to 10ms */
+	if (ufshcd_is_auto_hibern8_supported(hba)) {
+		ufshcd_auto_hibern8_update(hba,
+			FIELD_PREP(UFSHCI_AHIBERN8_TIMER_MASK, 10) |
+			FIELD_PREP(UFSHCI_AHIBERN8_SCALE_MASK, 3));
+	}
+
 	return 0;
 }
 
-- 
2.18.0