[RFC,16/24] drm/msi/dsi: inline msm_dsi_pll_helper_clk_prepare/unprepare

diff --git a/drivers/gpu/drm/msm/dsi/phy/dsi_phy.h b/drivers/gpu/drm/msm/dsi/phy/dsi_phy.h
index 75fc24f9f013..0fff9e3afb53 100644
--- a/drivers/gpu/drm/msm/dsi/phy/dsi_phy.h
+++ b/drivers/gpu/drm/msm/dsi/phy/dsi_phy.h
@@ -35,8 +35,6 @@  struct msm_dsi_phy_ops {
 };
 
 struct msm_dsi_pll_ops {
-	int (*enable_seq)(struct msm_dsi_pll *pll);
-	void (*disable_seq)(struct msm_dsi_pll *pll);
 	void (*save_state)(struct msm_dsi_pll *pll);
 	int (*restore_state)(struct msm_dsi_pll *pll);
 };
diff --git a/drivers/gpu/drm/msm/dsi/phy/dsi_phy_14nm.c b/drivers/gpu/drm/msm/dsi/phy/dsi_phy_14nm.c
index 023727623847..23f198164c0e 100644
--- a/drivers/gpu/drm/msm/dsi/phy/dsi_phy_14nm.c
+++ b/drivers/gpu/drm/msm/dsi/phy/dsi_phy_14nm.c
@@ -652,12 +652,58 @@  static unsigned long dsi_pll_14nm_vco_recalc_rate(struct clk_hw *hw,
 	return (unsigned long)vco_rate;
 }
 
+static int dsi_pll_14nm_vco_prepare(struct clk_hw *hw)
+{
+	struct msm_dsi_pll *pll = hw_clk_to_pll(hw);
+	struct dsi_pll_14nm *pll_14nm = to_pll_14nm(pll);
+	void __iomem *base = pll_14nm->mmio;
+	void __iomem *cmn_base = pll_14nm->phy_cmn_mmio;
+	bool locked;
+
+	DBG("");
+
+	if (unlikely(pll->pll_on))
+		return 0;
+
+	pll_write(base + REG_DSI_14nm_PHY_PLL_VREF_CFG1, 0x10);
+	pll_write(cmn_base + REG_DSI_14nm_PHY_CMN_PLL_CNTRL, 1);
+
+	locked = pll_14nm_poll_for_ready(pll_14nm, POLL_MAX_READS,
+					 POLL_TIMEOUT_US);
+
+	if (unlikely(!locked)) {
+		DRM_DEV_ERROR(&pll_14nm->pdev->dev, "DSI PLL lock failed\n");
+		return -EINVAL;
+	}
+
+	DBG("DSI PLL lock success");
+	pll->pll_on = true;
+
+	return 0;
+}
+
+static void dsi_pll_14nm_vco_unprepare(struct clk_hw *hw)
+{
+	struct msm_dsi_pll *pll = hw_clk_to_pll(hw);
+	struct dsi_pll_14nm *pll_14nm = to_pll_14nm(pll);
+	void __iomem *cmn_base = pll_14nm->phy_cmn_mmio;
+
+	DBG("");
+
+	if (unlikely(!pll->pll_on))
+		return;
+
+	pll_write(cmn_base + REG_DSI_14nm_PHY_CMN_PLL_CNTRL, 0);
+
+	pll->pll_on = false;
+}
+
 static const struct clk_ops clk_ops_dsi_pll_14nm_vco = {
 	.round_rate = msm_dsi_pll_helper_clk_round_rate,
 	.set_rate = dsi_pll_14nm_vco_set_rate,
 	.recalc_rate = dsi_pll_14nm_vco_recalc_rate,
-	.prepare = msm_dsi_pll_helper_clk_prepare,
-	.unprepare = msm_dsi_pll_helper_clk_unprepare,
+	.prepare = dsi_pll_14nm_vco_prepare,
+	.unprepare = dsi_pll_14nm_vco_unprepare,
 };
 
 /*
@@ -749,39 +795,6 @@  static const struct clk_ops clk_ops_dsi_pll_14nm_postdiv = {
  * PLL Callbacks
  */
 
-static int dsi_pll_14nm_enable_seq(struct msm_dsi_pll *pll)
-{
-	struct dsi_pll_14nm *pll_14nm = to_pll_14nm(pll);
-	void __iomem *base = pll_14nm->mmio;
-	void __iomem *cmn_base = pll_14nm->phy_cmn_mmio;
-	bool locked;
-
-	DBG("");
-
-	pll_write(base + REG_DSI_14nm_PHY_PLL_VREF_CFG1, 0x10);
-	pll_write(cmn_base + REG_DSI_14nm_PHY_CMN_PLL_CNTRL, 1);
-
-	locked = pll_14nm_poll_for_ready(pll_14nm, POLL_MAX_READS,
-					 POLL_TIMEOUT_US);
-
-	if (unlikely(!locked))
-		DRM_DEV_ERROR(&pll_14nm->pdev->dev, "DSI PLL lock failed\n");
-	else
-		DBG("DSI PLL lock success");
-
-	return locked ? 0 : -EINVAL;
-}
-
-static void dsi_pll_14nm_disable_seq(struct msm_dsi_pll *pll)
-{
-	struct dsi_pll_14nm *pll_14nm = to_pll_14nm(pll);
-	void __iomem *cmn_base = pll_14nm->phy_cmn_mmio;
-
-	DBG("");
-
-	pll_write(cmn_base + REG_DSI_14nm_PHY_CMN_PLL_CNTRL, 0);
-}
-
 static void dsi_pll_14nm_save_state(struct msm_dsi_pll *pll)
 {
 	struct dsi_pll_14nm *pll_14nm = to_pll_14nm(pll);
@@ -1158,8 +1171,6 @@  const struct msm_dsi_phy_cfg dsi_phy_14nm_cfgs = {
 	.pll_ops = {
 		.save_state = dsi_pll_14nm_save_state,
 		.restore_state = dsi_pll_14nm_restore_state,
-		.disable_seq = dsi_pll_14nm_disable_seq,
-		.enable_seq = dsi_pll_14nm_enable_seq,
 	},
 	.min_pll_rate = VCO_MIN_RATE,
 	.max_pll_rate = VCO_MAX_RATE,
@@ -1185,8 +1196,6 @@  const struct msm_dsi_phy_cfg dsi_phy_14nm_660_cfgs = {
 	.pll_ops = {
 		.save_state = dsi_pll_14nm_save_state,
 		.restore_state = dsi_pll_14nm_restore_state,
-		.disable_seq = dsi_pll_14nm_disable_seq,
-		.enable_seq = dsi_pll_14nm_enable_seq,
 	},
 	.min_pll_rate = VCO_MIN_RATE,
 	.max_pll_rate = VCO_MAX_RATE,
diff --git a/drivers/gpu/drm/msm/dsi/phy/dsi_phy_28nm.c b/drivers/gpu/drm/msm/dsi/phy/dsi_phy_28nm.c
index e77b21f0d3bf..5188ba21afa7 100644
--- a/drivers/gpu/drm/msm/dsi/phy/dsi_phy_28nm.c
+++ b/drivers/gpu/drm/msm/dsi/phy/dsi_phy_28nm.c
@@ -286,19 +286,7 @@  static unsigned long dsi_pll_28nm_clk_recalc_rate(struct clk_hw *hw,
 	return vco_rate;
 }
 
-static const struct clk_ops clk_ops_dsi_pll_28nm_vco = {
-	.round_rate = msm_dsi_pll_helper_clk_round_rate,
-	.set_rate = dsi_pll_28nm_clk_set_rate,
-	.recalc_rate = dsi_pll_28nm_clk_recalc_rate,
-	.prepare = msm_dsi_pll_helper_clk_prepare,
-	.unprepare = msm_dsi_pll_helper_clk_unprepare,
-	.is_enabled = dsi_pll_28nm_clk_is_enabled,
-};
-
-/*
- * PLL Callbacks
- */
-static int _dsi_pll_28nm_enable_seq_hpm(struct msm_dsi_pll *pll)
+static int _dsi_pll_28nm_vco_prepare_hpm(struct msm_dsi_pll *pll)
 {
 	struct dsi_pll_28nm *pll_28nm = to_pll_28nm(pll);
 	struct device *dev = &pll_28nm->pdev->dev;
@@ -373,21 +361,28 @@  static int _dsi_pll_28nm_enable_seq_hpm(struct msm_dsi_pll *pll)
 	return locked ? 0 : -EINVAL;
 }
 
-static int dsi_pll_28nm_enable_seq_hpm(struct msm_dsi_pll *pll)
+static int dsi_pll_28nm_vco_prepare_hpm(struct clk_hw *hw)
 {
+	struct msm_dsi_pll *pll = hw_clk_to_pll(hw);
 	int i, ret;
 
+	if (unlikely(pll->pll_on))
+		return 0;
+
 	for (i = 0; i < 3; i++) {
-		ret = _dsi_pll_28nm_enable_seq_hpm(pll);
-		if (!ret)
+		ret = _dsi_pll_28nm_vco_prepare_hpm(pll);
+		if (!ret) {
+			pll->pll_on = true;
 			return 0;
+		}
 	}
 
 	return ret;
 }
 
-static int dsi_pll_28nm_enable_seq_lp(struct msm_dsi_pll *pll)
+static int dsi_pll_28nm_vco_prepare_lp(struct clk_hw *hw)
 {
+	struct msm_dsi_pll *pll = hw_clk_to_pll(hw);
 	struct dsi_pll_28nm *pll_28nm = to_pll_28nm(pll);
 	struct device *dev = &pll_28nm->pdev->dev;
 	void __iomem *base = pll_28nm->mmio;
@@ -397,6 +392,9 @@  static int dsi_pll_28nm_enable_seq_lp(struct msm_dsi_pll *pll)
 
 	DBG("id=%d", pll_28nm->id);
 
+	if (unlikely(pll->pll_on))
+		return 0;
+
 	pll_28nm_software_reset(pll_28nm);
 
 	/*
@@ -421,22 +419,54 @@  static int dsi_pll_28nm_enable_seq_lp(struct msm_dsi_pll *pll)
 
 	locked = pll_28nm_poll_for_ready(pll_28nm, max_reads, timeout_us);
 
-	if (unlikely(!locked))
+	if (unlikely(!locked)) {
 		DRM_DEV_ERROR(dev, "DSI PLL lock failed\n");
-	else
-		DBG("DSI PLL lock success");
+		return -EINVAL;
+	}
 
-	return locked ? 0 : -EINVAL;
+	DBG("DSI PLL lock success");
+	pll->pll_on = true;
+
+	return 0;
 }
 
-static void dsi_pll_28nm_disable_seq(struct msm_dsi_pll *pll)
+static void dsi_pll_28nm_vco_unprepare(struct clk_hw *hw)
 {
+	struct msm_dsi_pll *pll = hw_clk_to_pll(hw);
 	struct dsi_pll_28nm *pll_28nm = to_pll_28nm(pll);
 
 	DBG("id=%d", pll_28nm->id);
+
+	if (unlikely(!pll->pll_on))
+		return;
+
 	pll_write(pll_28nm->mmio + REG_DSI_28nm_PHY_PLL_GLB_CFG, 0x00);
+
+	pll->pll_on = false;
 }
 
+static const struct clk_ops clk_ops_dsi_pll_28nm_vco_hpm = {
+	.round_rate = msm_dsi_pll_helper_clk_round_rate,
+	.set_rate = dsi_pll_28nm_clk_set_rate,
+	.recalc_rate = dsi_pll_28nm_clk_recalc_rate,
+	.prepare = dsi_pll_28nm_vco_prepare_hpm,
+	.unprepare = dsi_pll_28nm_vco_unprepare,
+	.is_enabled = dsi_pll_28nm_clk_is_enabled,
+};
+
+static const struct clk_ops clk_ops_dsi_pll_28nm_vco_lp = {
+	.round_rate = msm_dsi_pll_helper_clk_round_rate,
+	.set_rate = dsi_pll_28nm_clk_set_rate,
+	.recalc_rate = dsi_pll_28nm_clk_recalc_rate,
+	.prepare = dsi_pll_28nm_vco_prepare_lp,
+	.unprepare = dsi_pll_28nm_vco_unprepare,
+	.is_enabled = dsi_pll_28nm_clk_is_enabled,
+};
+
+/*
+ * PLL Callbacks
+ */
+
 static void dsi_pll_28nm_save_state(struct msm_dsi_pll *pll)
 {
 	struct dsi_pll_28nm *pll_28nm = to_pll_28nm(pll);
@@ -479,7 +509,7 @@  static int dsi_pll_28nm_restore_state(struct msm_dsi_pll *pll)
 	return 0;
 }
 
-static int pll_28nm_register(struct dsi_pll_28nm *pll_28nm, struct clk_hw_onecell_data *provided_clocks)
+static int pll_28nm_register(struct dsi_pll_28nm *pll_28nm, struct clk_hw_onecell_data *provided_clocks, const struct clk_ops *vco_ops)
 {
 	char clk_name[32], parent1[32], parent2[32], vco_name[32];
 	struct clk_init_data vco_init = {
@@ -487,7 +517,7 @@  static int pll_28nm_register(struct dsi_pll_28nm *pll_28nm, struct clk_hw_onecel
 		.num_parents = 1,
 		.name = vco_name,
 		.flags = CLK_IGNORE_UNUSED,
-		.ops = &clk_ops_dsi_pll_28nm_vco,
+		.ops = vco_ops,
 	};
 	struct device *dev = &pll_28nm->pdev->dev;
 	struct clk_hw *hw;
@@ -579,7 +609,7 @@  static int dsi_pll_28nm_hpm_init(struct msm_dsi_phy *phy)
 
 	pll->cfg = phy->cfg;
 
-	ret = pll_28nm_register(pll_28nm, phy->provided_clocks);
+	ret = pll_28nm_register(pll_28nm, phy->provided_clocks, &clk_ops_dsi_pll_28nm_vco_hpm);
 	if (ret) {
 		DRM_DEV_ERROR(&pdev->dev, "failed to register PLL: %d\n", ret);
 		return ret;
@@ -618,7 +648,7 @@  static int dsi_pll_28nm_lp_init(struct msm_dsi_phy *phy)
 
 	pll->cfg = phy->cfg;
 
-	ret = pll_28nm_register(pll_28nm, phy->provided_clocks);
+	ret = pll_28nm_register(pll_28nm, phy->provided_clocks, &clk_ops_dsi_pll_28nm_vco_lp);
 	if (ret) {
 		DRM_DEV_ERROR(&pdev->dev, "failed to register PLL: %d\n", ret);
 		return ret;
@@ -792,8 +822,6 @@  const struct msm_dsi_phy_cfg dsi_phy_28nm_hpm_cfgs = {
 	.pll_ops = {
 		.save_state = dsi_pll_28nm_save_state,
 		.restore_state = dsi_pll_28nm_restore_state,
-		.disable_seq = dsi_pll_28nm_disable_seq,
-		.enable_seq = dsi_pll_28nm_enable_seq_hpm,
 	},
 	.min_pll_rate = VCO_MIN_RATE,
 	.max_pll_rate = VCO_MAX_RATE,
@@ -819,8 +847,6 @@  const struct msm_dsi_phy_cfg dsi_phy_28nm_hpm_famb_cfgs = {
 	.pll_ops = {
 		.save_state = dsi_pll_28nm_save_state,
 		.restore_state = dsi_pll_28nm_restore_state,
-		.disable_seq = dsi_pll_28nm_disable_seq,
-		.enable_seq = dsi_pll_28nm_enable_seq_hpm,
 	},
 	.min_pll_rate = VCO_MIN_RATE,
 	.max_pll_rate = VCO_MAX_RATE,
@@ -846,8 +872,6 @@  const struct msm_dsi_phy_cfg dsi_phy_28nm_lp_cfgs = {
 	.pll_ops = {
 		.save_state = dsi_pll_28nm_save_state,
 		.restore_state = dsi_pll_28nm_restore_state,
-		.disable_seq = dsi_pll_28nm_disable_seq,
-		.enable_seq = dsi_pll_28nm_enable_seq_lp,
 	},
 	.min_pll_rate = VCO_MIN_RATE,
 	.max_pll_rate = VCO_MAX_RATE,
diff --git a/drivers/gpu/drm/msm/dsi/phy/dsi_phy_28nm_8960.c b/drivers/gpu/drm/msm/dsi/phy/dsi_phy_28nm_8960.c
index 558d311b13a9..15b05ae554a0 100644
--- a/drivers/gpu/drm/msm/dsi/phy/dsi_phy_28nm_8960.c
+++ b/drivers/gpu/drm/msm/dsi/phy/dsi_phy_28nm_8960.c
@@ -178,12 +178,76 @@  static unsigned long dsi_pll_28nm_clk_recalc_rate(struct clk_hw *hw,
 	return vco_rate;
 }
 
+static int dsi_pll_28nm_vco_prepare(struct clk_hw *hw)
+{
+	struct msm_dsi_pll *pll = hw_clk_to_pll(hw);
+	struct dsi_pll_28nm *pll_28nm = to_pll_28nm(pll);
+	struct device *dev = &pll_28nm->pdev->dev;
+	void __iomem *base = pll_28nm->mmio;
+	bool locked;
+	unsigned int bit_div, byte_div;
+	int max_reads = 1000, timeout_us = 100;
+	u32 val;
+
+	DBG("id=%d", pll_28nm->id);
+
+	if (unlikely(pll->pll_on))
+		return 0;
+
+	/*
+	 * before enabling the PLL, configure the bit clock divider since we
+	 * don't expose it as a clock to the outside world
+	 * 1: read back the byte clock divider that should already be set
+	 * 2: divide by 8 to get bit clock divider
+	 * 3: write it to POSTDIV1
+	 */
+	val = pll_read(base + REG_DSI_28nm_8960_PHY_PLL_CTRL_9);
+	byte_div = val + 1;
+	bit_div = byte_div / 8;
+
+	val = pll_read(base + REG_DSI_28nm_8960_PHY_PLL_CTRL_8);
+	val &= ~0xf;
+	val |= (bit_div - 1);
+	pll_write(base + REG_DSI_28nm_8960_PHY_PLL_CTRL_8, val);
+
+	/* enable the PLL */
+	pll_write(base + REG_DSI_28nm_8960_PHY_PLL_CTRL_0,
+			DSI_28nm_8960_PHY_PLL_CTRL_0_ENABLE);
+
+	locked = pll_28nm_poll_for_ready(pll_28nm, max_reads, timeout_us);
+
+	if (unlikely(!locked)) {
+		DRM_DEV_ERROR(dev, "DSI PLL lock failed\n");
+		return -EINVAL;
+	}
+
+	DBG("DSI PLL lock success");
+	pll->pll_on = true;
+
+	return 0;
+}
+
+static void dsi_pll_28nm_vco_unprepare(struct clk_hw *hw)
+{
+	struct msm_dsi_pll *pll = hw_clk_to_pll(hw);
+	struct dsi_pll_28nm *pll_28nm = to_pll_28nm(pll);
+
+	DBG("id=%d", pll_28nm->id);
+
+	if (unlikely(!pll->pll_on))
+		return;
+
+	pll_write(pll_28nm->mmio + REG_DSI_28nm_8960_PHY_PLL_CTRL_0, 0x00);
+
+	pll->pll_on = false;
+}
+
 static const struct clk_ops clk_ops_dsi_pll_28nm_vco = {
 	.round_rate = msm_dsi_pll_helper_clk_round_rate,
 	.set_rate = dsi_pll_28nm_clk_set_rate,
 	.recalc_rate = dsi_pll_28nm_clk_recalc_rate,
-	.prepare = msm_dsi_pll_helper_clk_prepare,
-	.unprepare = msm_dsi_pll_helper_clk_unprepare,
+	.prepare = dsi_pll_28nm_vco_prepare,
+	.unprepare = dsi_pll_28nm_vco_unprepare,
 	.is_enabled = dsi_pll_28nm_clk_is_enabled,
 };
 
@@ -270,56 +334,6 @@  static const struct clk_ops clk_bytediv_ops = {
 /*
  * PLL Callbacks
  */
-static int dsi_pll_28nm_enable_seq(struct msm_dsi_pll *pll)
-{
-	struct dsi_pll_28nm *pll_28nm = to_pll_28nm(pll);
-	struct device *dev = &pll_28nm->pdev->dev;
-	void __iomem *base = pll_28nm->mmio;
-	bool locked;
-	unsigned int bit_div, byte_div;
-	int max_reads = 1000, timeout_us = 100;
-	u32 val;
-
-	DBG("id=%d", pll_28nm->id);
-
-	/*
-	 * before enabling the PLL, configure the bit clock divider since we
-	 * don't expose it as a clock to the outside world
-	 * 1: read back the byte clock divider that should already be set
-	 * 2: divide by 8 to get bit clock divider
-	 * 3: write it to POSTDIV1
-	 */
-	val = pll_read(base + REG_DSI_28nm_8960_PHY_PLL_CTRL_9);
-	byte_div = val + 1;
-	bit_div = byte_div / 8;
-
-	val = pll_read(base + REG_DSI_28nm_8960_PHY_PLL_CTRL_8);
-	val &= ~0xf;
-	val |= (bit_div - 1);
-	pll_write(base + REG_DSI_28nm_8960_PHY_PLL_CTRL_8, val);
-
-	/* enable the PLL */
-	pll_write(base + REG_DSI_28nm_8960_PHY_PLL_CTRL_0,
-			DSI_28nm_8960_PHY_PLL_CTRL_0_ENABLE);
-
-	locked = pll_28nm_poll_for_ready(pll_28nm, max_reads, timeout_us);
-
-	if (unlikely(!locked))
-		DRM_DEV_ERROR(dev, "DSI PLL lock failed\n");
-	else
-		DBG("DSI PLL lock success");
-
-	return locked ? 0 : -EINVAL;
-}
-
-static void dsi_pll_28nm_disable_seq(struct msm_dsi_pll *pll)
-{
-	struct dsi_pll_28nm *pll_28nm = to_pll_28nm(pll);
-
-	DBG("id=%d", pll_28nm->id);
-	pll_write(pll_28nm->mmio + REG_DSI_28nm_8960_PHY_PLL_CTRL_0, 0x00);
-}
-
 static void dsi_pll_28nm_save_state(struct msm_dsi_pll *pll)
 {
 	struct dsi_pll_28nm *pll_28nm = to_pll_28nm(pll);
@@ -653,8 +667,6 @@  const struct msm_dsi_phy_cfg dsi_phy_28nm_8960_cfgs = {
 	.pll_ops = {
 		.save_state = dsi_pll_28nm_save_state,
 		.restore_state = dsi_pll_28nm_restore_state,
-		.disable_seq = dsi_pll_28nm_disable_seq,
-		.enable_seq = dsi_pll_28nm_enable_seq,
 	},
 	.min_pll_rate = VCO_MIN_RATE,
 	.max_pll_rate = VCO_MAX_RATE,
diff --git a/drivers/gpu/drm/msm/dsi/phy/dsi_pll.c b/drivers/gpu/drm/msm/dsi/phy/dsi_pll.c
index 652c2d6bfeec..cae668b669a4 100644
--- a/drivers/gpu/drm/msm/dsi/phy/dsi_pll.c
+++ b/drivers/gpu/drm/msm/dsi/phy/dsi_pll.c
@@ -21,38 +21,3 @@  long msm_dsi_pll_helper_clk_round_rate(struct clk_hw *hw,
 	else
 		return rate;
 }
-
-int msm_dsi_pll_helper_clk_prepare(struct clk_hw *hw)
-{
-	struct msm_dsi_pll *pll = hw_clk_to_pll(hw);
-	int ret = 0;
-
-	/*
-	 * Certain PLLs do not allow VCO rate update when it is on.
-	 * Keep track of their status to turn on/off after set rate success.
-	 */
-	if (unlikely(pll->pll_on))
-		return 0;
-
-	ret = pll->cfg->pll_ops.enable_seq(pll);
-	if (ret) {
-		DRM_ERROR("DSI PLL failed to lock\n");
-		return ret;
-	}
-
-	pll->pll_on = true;
-
-	return 0;
-}
-
-void msm_dsi_pll_helper_clk_unprepare(struct clk_hw *hw)
-{
-	struct msm_dsi_pll *pll = hw_clk_to_pll(hw);
-
-	if (unlikely(!pll->pll_on))
-		return;
-
-	pll->cfg->pll_ops.disable_seq(pll);
-
-	pll->pll_on = false;
-}
diff --git a/drivers/gpu/drm/msm/dsi/phy/dsi_pll.h b/drivers/gpu/drm/msm/dsi/phy/dsi_pll.h
index eca13cf67c21..da83e4c11f4f 100644
--- a/drivers/gpu/drm/msm/dsi/phy/dsi_pll.h
+++ b/drivers/gpu/drm/msm/dsi/phy/dsi_pll.h
@@ -39,8 +39,6 @@  static inline void pll_write_ndelay(void __iomem *reg, u32 data, u32 delay_ns)
 /* clock callbacks */
 long msm_dsi_pll_helper_clk_round_rate(struct clk_hw *hw,
 		unsigned long rate, unsigned long *parent_rate);
-int msm_dsi_pll_helper_clk_prepare(struct clk_hw *hw);
-void msm_dsi_pll_helper_clk_unprepare(struct clk_hw *hw);
 
 #endif /* __DSI_PLL_H__ */