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
