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

Chanho Park
2021-07-14T07:12:23Z

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 --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
--
2.32.0