Configure customized auto-hibern8 timer in MediaTek Chipsets.
Cc: Alim Akhtar <alim.akhtar@xxxxxxxxxxx>
Cc: Avri Altman <avri.altman@xxxxxxx>
Cc: Bart Van Assche <bvanassche@xxxxxxx>
Cc: Bean Huo <beanhuo@xxxxxxxxxx>
Cc: Can Guo <cang@xxxxxxxxxxxxxx>
Cc: Florian Fainelli <f.fainelli@xxxxxxxxx>
Cc: Matthias Brugger <matthias.bgg@xxxxxxxxx>
Signed-off-by: Stanley Chu <stanley.chu@xxxxxxxxxxxx>
Reviewed-by: Alim Akhtar <alim.akhtar@xxxxxxxxxxx>
---
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 fc5ba21ec02a..1f025723b61b 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>
@@ -305,6 +306,13 @@ 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
