diff mbox series

[v2,06/15] scsi: ufs: ufs-exynos: add refclkout_stop control

Message ID 20210714071131.101204-7-chanho61.park@samsung.com (mailing list archive)
State Not Applicable
Headers show
Series introduce exynosauto v9 ufs driver | expand

Commit Message

Chanho Park July 14, 2021, 7:11 a.m. UTC 
This patch adds REFCLKOUT_STOP control to CLK_STOP_MASK. It can
en/disable reference clock out control for UFS device.

Signed-off-by: Chanho Park <chanho61.park@samsung.com>
Reviewed-by: Alim Akhtar <alim.akhtar@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 da02ad3b036c..78cc5bda0a1f 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