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authorChanho Park <chanho61.park@samsung.com>2021-10-18 21:42:06 +0900
committerMartin K. Petersen <martin.petersen@oracle.com>2021-10-27 23:10:11 -0400
commite1f3e22e93e620a7ba1b2ab74c9e8ed618a87de7 (patch)
tree9b65781228001d1f4c4568000e82b70f0dd8bb57
parent51cc3bb54286639e364061c36998f43d00fdd2b4 (diff)
downloadlinux-e1f3e22e93e620a7ba1b2ab74c9e8ed618a87de7.tar.bz2
scsi: ufs: ufs-exynos: Add refclkout_stop control
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>
-rw-r--r--drivers/scsi/ufs/ufs-exynos.c3
1 files changed, 2 insertions, 1 deletions
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