phy: qcom-ufs: Remove stale methods that handle ref clk

Remove ufs_qcom_phy_enable/(disable)_dev_ref_clk() that
are not being used by any code.

Signed-off-by: Vivek Gautam <vivek.gautam@codeaurora.org>
Reviewed-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com>

diff --git a/drivers/phy/qualcomm/phy-qcom-ufs.c b/drivers/phy/qualcomm/phy-qcom-ufs.c
index c5493ea..f2979cc 100644 (file)
--- a/drivers/phy/qualcomm/phy-qcom-ufs.c
+++ b/drivers/phy/qualcomm/phy-qcom-ufs.c
@@ -431,56 +431,6 @@ static void ufs_qcom_phy_disable_ref_clk(struct ufs_qcom_phy *phy)
        }
 }
 
-#define UFS_REF_CLK_EN (1 << 5)
-
-static void ufs_qcom_phy_dev_ref_clk_ctrl(struct phy *generic_phy, bool enable)
-{
-       struct ufs_qcom_phy *phy = get_ufs_qcom_phy(generic_phy);
-
-       if (phy->dev_ref_clk_ctrl_mmio &&
-           (enable ^ phy->is_dev_ref_clk_enabled)) {
-               u32 temp = readl_relaxed(phy->dev_ref_clk_ctrl_mmio);
-
-               if (enable)
-                       temp |= UFS_REF_CLK_EN;
-               else
-                       temp &= ~UFS_REF_CLK_EN;
-
-               /*
-                * If we are here to disable this clock immediately after
-                * entering into hibern8, we need to make sure that device
-                * ref_clk is active atleast 1us after the hibern8 enter.
-                */
-               if (!enable)
-                       udelay(1);
-
-               writel_relaxed(temp, phy->dev_ref_clk_ctrl_mmio);
-               /* ensure that ref_clk is enabled/disabled before we return */
-               wmb();
-               /*
-                * If we call hibern8 exit after this, we need to make sure that
-                * device ref_clk is stable for atleast 1us before the hibern8
-                * exit command.
-                */
-               if (enable)
-                       udelay(1);
-
-               phy->is_dev_ref_clk_enabled = enable;
-       }
-}
-
-void ufs_qcom_phy_enable_dev_ref_clk(struct phy *generic_phy)
-{
-       ufs_qcom_phy_dev_ref_clk_ctrl(generic_phy, true);
-}
-EXPORT_SYMBOL_GPL(ufs_qcom_phy_enable_dev_ref_clk);
-
-void ufs_qcom_phy_disable_dev_ref_clk(struct phy *generic_phy)
-{
-       ufs_qcom_phy_dev_ref_clk_ctrl(generic_phy, false);
-}
-EXPORT_SYMBOL_GPL(ufs_qcom_phy_disable_dev_ref_clk);
-
 /* Turn ON M-PHY RMMI interface clocks */
 static int ufs_qcom_phy_enable_iface_clk(struct ufs_qcom_phy *phy)
 {

diff --git a/include/linux/phy/phy-qcom-ufs.h b/include/linux/phy/phy-qcom-ufs.h
index 0a2c18a..9dd8507 100644 (file)
--- a/include/linux/phy/phy-qcom-ufs.h
+++ b/include/linux/phy/phy-qcom-ufs.h
@@ -17,20 +17,6 @@
 
 #include "phy.h"
 
-/**
- * ufs_qcom_phy_enable_dev_ref_clk() - Enable the device
- * ref clock.
- * @phy: reference to a generic phy.
- */
-void ufs_qcom_phy_enable_dev_ref_clk(struct phy *phy);
-
-/**
- * ufs_qcom_phy_disable_dev_ref_clk() - Disable the device
- * ref clock.
- * @phy: reference to a generic phy.
- */
-void ufs_qcom_phy_disable_dev_ref_clk(struct phy *phy);
-
 int ufs_qcom_phy_set_tx_lane_enable(struct phy *phy, u32 tx_lanes);
 void ufs_qcom_phy_save_controller_version(struct phy *phy,
                        u8 major, u16 minor, u16 step);