diff --git a/drivers/clk/clk-mux.c b/drivers/clk/clk-mux.c
index 54244889a9487c48dced8fbb3901a42fe187d05e..bd5e598b9f1e0f986d135c49cad7b5acd7055f67 100644
--- a/drivers/clk/clk-mux.c
+++ b/drivers/clk/clk-mux.c
@@ -89,7 +89,7 @@ const struct clk_ops clk_mux_ops = {
 EXPORT_SYMBOL_GPL(clk_mux_ops);
 
 struct clk *clk_register_mux(struct device *dev, const char *name,
-		char **parent_names, u8 num_parents, unsigned long flags,
+		const char **parent_names, u8 num_parents, unsigned long flags,
 		void __iomem *reg, u8 shift, u8 width,
 		u8 clk_mux_flags, spinlock_t *lock)
 {
diff --git a/drivers/clk/clk.c b/drivers/clk/clk.c
index a24b121747ac3a8b77b269f405310ad483240c1a..ddade8759ea9e56c16759b4a295b6e0df1cdeb51 100644
--- a/drivers/clk/clk.c
+++ b/drivers/clk/clk.c
@@ -1328,7 +1328,7 @@ void __clk_init(struct device *dev, struct clk *clk)
  */
 struct clk *clk_register(struct device *dev, const char *name,
 		const struct clk_ops *ops, struct clk_hw *hw,
-		char **parent_names, u8 num_parents, unsigned long flags)
+		const char **parent_names, u8 num_parents, unsigned long flags)
 {
 	struct clk *clk;
 
diff --git a/include/linux/clk-private.h b/include/linux/clk-private.h
index f19fee0190cbb738a2a8706fe74b5ea173eb0cf2..e9c8b9841b1686fd0263b41e240e135edf33efa4 100644
--- a/include/linux/clk-private.h
+++ b/include/linux/clk-private.h
@@ -30,7 +30,7 @@ struct clk {
 	const struct clk_ops	*ops;
 	struct clk_hw		*hw;
 	struct clk		*parent;
-	char			**parent_names;
+	const char		**parent_names;
 	struct clk		**parents;
 	u8			num_parents;
 	unsigned long		rate;
diff --git a/include/linux/clk-provider.h b/include/linux/clk-provider.h
index 6eb8e5da788e293b58ad8652e40bfab73b14342a..8981435f906407bb28c38e968afa3bec838c88ce 100644
--- a/include/linux/clk-provider.h
+++ b/include/linux/clk-provider.h
@@ -176,7 +176,7 @@ struct clk_gate {
 	u8		bit_idx;
 	u8		flags;
 	spinlock_t	*lock;
-	char		*parent[1];
+	const char	*parent[1];
 };
 
 #define CLK_GATE_SET_TO_DISABLE		BIT(0)
@@ -214,7 +214,7 @@ struct clk_divider {
 	u8		width;
 	u8		flags;
 	spinlock_t	*lock;
-	char		*parent[1];
+	const char	*parent[1];
 };
 
 #define CLK_DIVIDER_ONE_BASED		BIT(0)
@@ -257,7 +257,7 @@ struct clk_mux {
 
 extern const struct clk_ops clk_mux_ops;
 struct clk *clk_register_mux(struct device *dev, const char *name,
-		char **parent_names, u8 num_parents, unsigned long flags,
+		const char **parent_names, u8 num_parents, unsigned long flags,
 		void __iomem *reg, u8 shift, u8 width,
 		u8 clk_mux_flags, spinlock_t *lock);
 
@@ -278,7 +278,7 @@ struct clk *clk_register_mux(struct device *dev, const char *name,
  */
 struct clk *clk_register(struct device *dev, const char *name,
 		const struct clk_ops *ops, struct clk_hw *hw,
-		char **parent_names, u8 num_parents, unsigned long flags);
+		const char **parent_names, u8 num_parents, unsigned long flags);
 
 /* helper functions */
 const char *__clk_get_name(struct clk *clk);