diff mbox series

[v3,07/17] scsi: ufs: ufs-exynos: add refclkout_stop control

Message ID 20210917065436.145629-8-chanho61.park@samsung.com (mailing list archive)
State Superseded
Headers show
Series [v3,01/17] scsi: ufs: add quirk to handle broken UIC command | expand

Commit Message

Chanho Park Sept. 17, 2021, 6:54 a.m. UTC 
This patch adds REFCLKOUT_STOP control to CLK_STOP_MASK. It can
en/disable reference clock out control for UFS device.

Reviewed-by: Alim Akhtar <alim.akhtar@samsung.com>
Signed-off-by: Chanho Park <chanho61.park@samsung.com>
---
 drivers/scsi/ufs/ufs-exynos.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)
diff mbox series

Patch

diff --git a/drivers/scsi/ufs/ufs-exynos.c b/drivers/scsi/ufs/ufs-exynos.c
index f7a1b99c823b..627edef4fbeb 100644
--- a/drivers/scsi/ufs/ufs-exynos.c
+++ b/drivers/scsi/ufs/ufs-exynos.c
@@ -49,10 +49,11 @@ 
 #define HCI_ERR_EN_T_LAYER	0x84
 #define HCI_ERR_EN_DME_LAYER	0x88
 #define HCI_CLKSTOP_CTRL	0xB0
+#define REFCLKOUT_STOP		BIT(4)
 #define REFCLK_STOP		BIT(2)
 #define UNIPRO_MCLK_STOP	BIT(1)
 #define UNIPRO_PCLK_STOP	BIT(0)
-#define CLK_STOP_MASK		(REFCLK_STOP |\
+#define CLK_STOP_MASK		(REFCLKOUT_STOP | REFCLK_STOP |\
 				 UNIPRO_MCLK_STOP |\
 				 UNIPRO_PCLK_STOP)
 #define HCI_MISC		0xB4