From: Chanho Park <chanho61.park@samsung.com>
Date: Mon, 18 Oct 2021 21:42:06 +0900
Subject: [PATCH] scsi: ufs: ufs-exynos: Add refclkout_stop control
Git-commit: e1f3e22e93e620a7ba1b2ab74c9e8ed618a87de7
Patch-mainline: v5.16-rc1
References: jsc#PED-818
This patch adds REFCLKOUT_STOP control to CLK_STOP_MASK. This permits
enabling/disabling reference clock out control for the UFS device.
Link: https://lore.kernel.org/r/20211018124216.153072-6-chanho61.park@samsung.com
Reviewed-by: Alim Akhtar <alim.akhtar@samsung.com>
Signed-off-by: Chanho Park <chanho61.park@samsung.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Acked-by: Hannes Reinecke <hare@suse.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 853c83fd8242..f320b5689830 100644
--- a/drivers/scsi/ufs/ufs-exynos.c
+++ b/drivers/scsi/ufs/ufs-exynos.c
@@ -48,10 +48,11 @@
#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
--
2.35.3