[RFC PATCH] phy: exynos-ufs: exynos_ufs_phy_calibrate() can be static

[kbuild test robot <lkp@intel.com>]

Signed-off-by: Fengguang Wu <fengguang.wu@intel.com>
---
 phy-exynos-ufs.c |    6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/drivers/phy/phy-exynos-ufs.c b/drivers/phy/phy-exynos-ufs.c
index 343fcaf..835ee78 100644
--- a/drivers/phy/phy-exynos-ufs.c
+++ b/drivers/phy/phy-exynos-ufs.c
@@ -66,7 +66,7 @@ static bool match_cfg_to_pwr_mode(u8 desc, u8 required_pwr)
 	return false;
 }
 
-int exynos_ufs_phy_calibrate(struct phy *phy, enum phy_cfg_tag tag, u8 pwr)
+static int exynos_ufs_phy_calibrate(struct phy *phy, enum phy_cfg_tag tag, u8 pwr)
 {
 	struct exynos_ufs_phy *ufs_phy = get_exynos_ufs_phy(phy);
 	struct exynos_ufs_phy_cfg **cfgs = ufs_phy->cfg;
@@ -93,14 +93,14 @@ out:
 	return 0;
 }
 
-void exynos_ufs_phy_set_lane_cnt(struct phy *phy, u8 lane_cnt)
+static void exynos_ufs_phy_set_lane_cnt(struct phy *phy, u8 lane_cnt)
 {
 	struct exynos_ufs_phy *ufs_phy = get_exynos_ufs_phy(phy);
 
 	ufs_phy->lane_cnt = lane_cnt;
 }
 
-int exynos_ufs_phy_wait_for_lock_acq(struct phy *phy)
+static int exynos_ufs_phy_wait_for_lock_acq(struct phy *phy)
 {
 	struct exynos_ufs_phy *ufs_phy = get_exynos_ufs_phy(phy);
 	const unsigned int timeout_us = 100000;