Commit 2ba3c43f authored by Vivek Gautam's avatar Vivek Gautam Committed by Kishon Vijay Abraham I
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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: default avatarVivek Gautam <vivek.gautam@codeaurora.org>
Reviewed-by: default avatarBjorn Andersson <bjorn.andersson@linaro.org>
Signed-off-by: default avatarKishon Vijay Abraham I <kishon@ti.com>
parent 99c7c736
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+0 −50
Original line number Diff line number Diff line
@@ -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)
{
+0 −14
Original line number Diff line number Diff line
@@ -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);