diff --git a/drivers/clk/samsung/clk-acpm.c b/drivers/clk/samsung/clk-acpm.c
index b90809ce3f88..d8944160793a 100644
--- a/drivers/clk/samsung/clk-acpm.c
+++ b/drivers/clk/samsung/clk-acpm.c
@@ -20,7 +20,7 @@ struct acpm_clk {
 	u32 id;
 	struct clk_hw hw;
 	unsigned int mbox_chan_id;
-	const struct acpm_handle *handle;
+	struct acpm_handle *handle;
 };
 
 struct acpm_clk_variant {
@@ -113,7 +113,7 @@ static int acpm_clk_register(struct device *dev, struct acpm_clk *aclk,
 
 static int acpm_clk_probe(struct platform_device *pdev)
 {
-	const struct acpm_handle *acpm_handle;
+	struct acpm_handle *acpm_handle;
 	struct clk_hw_onecell_data *clk_data;
 	struct clk_hw **hws;
 	struct device *dev = &pdev->dev;
diff --git a/drivers/firmware/samsung/exynos-acpm-dvfs.c b/drivers/firmware/samsung/exynos-acpm-dvfs.c
index 17e7be7757b3..06bdf62dea1f 100644
--- a/drivers/firmware/samsung/exynos-acpm-dvfs.c
+++ b/drivers/firmware/samsung/exynos-acpm-dvfs.c
@@ -43,7 +43,7 @@ static void acpm_dvfs_init_set_rate_cmd(u32 cmd[4], unsigned int clk_id,
 	cmd[3] = ktime_to_ms(ktime_get());
 }
 
-int acpm_dvfs_set_rate(const struct acpm_handle *handle,
+int acpm_dvfs_set_rate(struct acpm_handle *handle,
 		       unsigned int acpm_chan_id, unsigned int clk_id,
 		       unsigned long rate)
 {
@@ -63,7 +63,7 @@ static void acpm_dvfs_init_get_rate_cmd(u32 cmd[4], unsigned int clk_id)
 	cmd[3] = ktime_to_ms(ktime_get());
 }
 
-unsigned long acpm_dvfs_get_rate(const struct acpm_handle *handle,
+unsigned long acpm_dvfs_get_rate(struct acpm_handle *handle,
 				 unsigned int acpm_chan_id, unsigned int clk_id)
 {
 	struct acpm_xfer xfer;
diff --git a/drivers/firmware/samsung/exynos-acpm-dvfs.h b/drivers/firmware/samsung/exynos-acpm-dvfs.h
index 9f2778e649c9..b37b15426102 100644
--- a/drivers/firmware/samsung/exynos-acpm-dvfs.h
+++ b/drivers/firmware/samsung/exynos-acpm-dvfs.h
@@ -11,10 +11,10 @@
 
 struct acpm_handle;
 
-int acpm_dvfs_set_rate(const struct acpm_handle *handle,
+int acpm_dvfs_set_rate(struct acpm_handle *handle,
 		       unsigned int acpm_chan_id, unsigned int id,
 		       unsigned long rate);
-unsigned long acpm_dvfs_get_rate(const struct acpm_handle *handle,
+unsigned long acpm_dvfs_get_rate(struct acpm_handle *handle,
 				 unsigned int acpm_chan_id,
 				 unsigned int clk_id);
 
diff --git a/drivers/firmware/samsung/exynos-acpm-pmic.c b/drivers/firmware/samsung/exynos-acpm-pmic.c
index 26a9024d8ed8..0c50993cc9a8 100644
--- a/drivers/firmware/samsung/exynos-acpm-pmic.c
+++ b/drivers/firmware/samsung/exynos-acpm-pmic.c
@@ -77,7 +77,7 @@ static void acpm_pmic_init_read_cmd(u32 cmd[4], u8 type, u8 reg, u8 chan)
 	cmd[3] = ktime_to_ms(ktime_get());
 }
 
-int acpm_pmic_read_reg(const struct acpm_handle *handle,
+int acpm_pmic_read_reg(struct acpm_handle *handle,
 		       unsigned int acpm_chan_id, u8 type, u8 reg, u8 chan,
 		       u8 *buf)
 {
@@ -107,7 +107,7 @@ static void acpm_pmic_init_bulk_read_cmd(u32 cmd[4], u8 type, u8 reg, u8 chan,
 		 FIELD_PREP(ACPM_PMIC_VALUE, count);
 }
 
-int acpm_pmic_bulk_read(const struct acpm_handle *handle,
+int acpm_pmic_bulk_read(struct acpm_handle *handle,
 			unsigned int acpm_chan_id, u8 type, u8 reg, u8 chan,
 			u8 count, u8 *buf)
 {
@@ -150,7 +150,7 @@ static void acpm_pmic_init_write_cmd(u32 cmd[4], u8 type, u8 reg, u8 chan,
 	cmd[3] = ktime_to_ms(ktime_get());
 }
 
-int acpm_pmic_write_reg(const struct acpm_handle *handle,
+int acpm_pmic_write_reg(struct acpm_handle *handle,
 			unsigned int acpm_chan_id, u8 type, u8 reg, u8 chan,
 			u8 value)
 {
@@ -187,7 +187,7 @@ static void acpm_pmic_init_bulk_write_cmd(u32 cmd[4], u8 type, u8 reg, u8 chan,
 	}
 }
 
-int acpm_pmic_bulk_write(const struct acpm_handle *handle,
+int acpm_pmic_bulk_write(struct acpm_handle *handle,
 			 unsigned int acpm_chan_id, u8 type, u8 reg, u8 chan,
 			 u8 count, const u8 *buf)
 {
@@ -220,7 +220,7 @@ static void acpm_pmic_init_update_cmd(u32 cmd[4], u8 type, u8 reg, u8 chan,
 	cmd[3] = ktime_to_ms(ktime_get());
 }
 
-int acpm_pmic_update_reg(const struct acpm_handle *handle,
+int acpm_pmic_update_reg(struct acpm_handle *handle,
 			 unsigned int acpm_chan_id, u8 type, u8 reg, u8 chan,
 			 u8 value, u8 mask)
 {
diff --git a/drivers/firmware/samsung/exynos-acpm-pmic.h b/drivers/firmware/samsung/exynos-acpm-pmic.h
index 078421888a14..88ae9aada2ae 100644
--- a/drivers/firmware/samsung/exynos-acpm-pmic.h
+++ b/drivers/firmware/samsung/exynos-acpm-pmic.h
@@ -11,19 +11,19 @@
 
 struct acpm_handle;
 
-int acpm_pmic_read_reg(const struct acpm_handle *handle,
+int acpm_pmic_read_reg(struct acpm_handle *handle,
 		       unsigned int acpm_chan_id, u8 type, u8 reg, u8 chan,
 		       u8 *buf);
-int acpm_pmic_bulk_read(const struct acpm_handle *handle,
+int acpm_pmic_bulk_read(struct acpm_handle *handle,
 			unsigned int acpm_chan_id, u8 type, u8 reg, u8 chan,
 			u8 count, u8 *buf);
-int acpm_pmic_write_reg(const struct acpm_handle *handle,
+int acpm_pmic_write_reg(struct acpm_handle *handle,
 			unsigned int acpm_chan_id, u8 type, u8 reg, u8 chan,
 			u8 value);
-int acpm_pmic_bulk_write(const struct acpm_handle *handle,
+int acpm_pmic_bulk_write(struct acpm_handle *handle,
 			 unsigned int acpm_chan_id, u8 type, u8 reg, u8 chan,
 			 u8 count, const u8 *buf);
-int acpm_pmic_update_reg(const struct acpm_handle *handle,
+int acpm_pmic_update_reg(struct acpm_handle *handle,
 			 unsigned int acpm_chan_id, u8 type, u8 reg, u8 chan,
 			 u8 value, u8 mask);
 #endif /* __EXYNOS_ACPM_PMIC_H__ */
diff --git a/drivers/firmware/samsung/exynos-acpm.c b/drivers/firmware/samsung/exynos-acpm.c
index c616ac951a0d..16c46ed60837 100644
--- a/drivers/firmware/samsung/exynos-acpm.c
+++ b/drivers/firmware/samsung/exynos-acpm.c
@@ -410,7 +410,7 @@ static int acpm_wait_for_message_response(struct acpm_chan *achan,
  *
  * Return: 0 on success, -errno otherwise.
  */
-int acpm_do_xfer(const struct acpm_handle *handle, const struct acpm_xfer *xfer)
+int acpm_do_xfer(struct acpm_handle *handle, const struct acpm_xfer *xfer)
 {
 	struct acpm_info *acpm = handle_to_acpm_info(handle);
 	struct exynos_mbox_msg msg;
@@ -674,7 +674,7 @@ static int acpm_probe(struct platform_device *pdev)
  * acpm_handle_put() - release the handle acquired by acpm_get_by_phandle.
  * @handle:	Handle acquired by acpm_get_by_phandle.
  */
-static void acpm_handle_put(const struct acpm_handle *handle)
+static void acpm_handle_put(struct acpm_handle *handle)
 {
 	struct acpm_info *acpm = handle_to_acpm_info(handle);
 	struct device *dev = acpm->dev;
@@ -700,9 +700,11 @@ static void devm_acpm_release(struct device *dev, void *res)
  * @np:		ACPM device tree node.
  *
  * Return: pointer to handle on success, ERR_PTR(-errno) otherwise.
+ *
+ * Note: handle CANNOT be pointer to const
  */
-static const struct acpm_handle *acpm_get_by_node(struct device *dev,
-						  struct device_node *np)
+static struct acpm_handle *acpm_get_by_node(struct device *dev,
+					    struct device_node *np)
 {
 	struct platform_device *pdev;
 	struct device_link *link;
@@ -743,10 +745,10 @@ static const struct acpm_handle *acpm_get_by_node(struct device *dev,
  *
  * Return: pointer to handle on success, ERR_PTR(-errno) otherwise.
  */
-const struct acpm_handle *devm_acpm_get_by_node(struct device *dev,
-						struct device_node *np)
+struct acpm_handle *devm_acpm_get_by_node(struct device *dev,
+					  struct device_node *np)
 {
-	const struct acpm_handle **ptr, *handle;
+	struct acpm_handle **ptr, *handle;
 
 	ptr = devres_alloc(devm_acpm_release, sizeof(*ptr), GFP_KERNEL);
 	if (!ptr)
diff --git a/drivers/firmware/samsung/exynos-acpm.h b/drivers/firmware/samsung/exynos-acpm.h
index 8392fcb91f45..5df8354dc96c 100644
--- a/drivers/firmware/samsung/exynos-acpm.h
+++ b/drivers/firmware/samsung/exynos-acpm.h
@@ -17,7 +17,7 @@ struct acpm_xfer {
 
 struct acpm_handle;
 
-int acpm_do_xfer(const struct acpm_handle *handle,
+int acpm_do_xfer(struct acpm_handle *handle,
 		 const struct acpm_xfer *xfer);
 
 #endif /* __EXYNOS_ACPM_H__ */
diff --git a/drivers/mfd/sec-acpm.c b/drivers/mfd/sec-acpm.c
index 537ea65685bf..0e23b9d9f7ee 100644
--- a/drivers/mfd/sec-acpm.c
+++ b/drivers/mfd/sec-acpm.c
@@ -367,7 +367,7 @@ static const struct regmap_config s2mpg11_regmap_config_meter = {
 };
 
 struct sec_pmic_acpm_shared_bus_context {
-	const struct acpm_handle *acpm;
+	struct acpm_handle *acpm;
 	unsigned int acpm_chan_id;
 	u8 speedy_channel;
 };
@@ -390,7 +390,7 @@ static int sec_pmic_acpm_bus_write(void *context, const void *data,
 				   size_t count)
 {
 	struct sec_pmic_acpm_bus_context *ctx = context;
-	const struct acpm_handle *acpm = ctx->shared->acpm;
+	struct acpm_handle *acpm = ctx->shared->acpm;
 	const struct acpm_pmic_ops *pmic_ops = &acpm->ops.pmic_ops;
 	size_t val_count = count - BITS_TO_BYTES(ACPM_ADDR_BITS);
 	const u8 *d = data;
@@ -410,7 +410,7 @@ static int sec_pmic_acpm_bus_read(void *context, const void *reg_buf, size_t reg
 				  void *val_buf, size_t val_size)
 {
 	struct sec_pmic_acpm_bus_context *ctx = context;
-	const struct acpm_handle *acpm = ctx->shared->acpm;
+	struct acpm_handle *acpm = ctx->shared->acpm;
 	const struct acpm_pmic_ops *pmic_ops = &acpm->ops.pmic_ops;
 	const u8 *r = reg_buf;
 	u8 reg;
@@ -429,7 +429,7 @@ static int sec_pmic_acpm_bus_reg_update_bits(void *context, unsigned int reg, un
 					     unsigned int val)
 {
 	struct sec_pmic_acpm_bus_context *ctx = context;
-	const struct acpm_handle *acpm = ctx->shared->acpm;
+	struct acpm_handle *acpm = ctx->shared->acpm;
 	const struct acpm_pmic_ops *pmic_ops = &acpm->ops.pmic_ops;
 
 	return pmic_ops->update_reg(acpm, ctx->shared->acpm_chan_id, ctx->type, reg & 0xff,
@@ -480,7 +480,7 @@ static int sec_pmic_acpm_probe(struct platform_device *pdev)
 	struct regmap *regmap_common, *regmap_pmic, *regmap;
 	const struct sec_pmic_acpm_platform_data *pdata;
 	struct sec_pmic_acpm_shared_bus_context *shared_ctx;
-	const struct acpm_handle *acpm;
+	struct acpm_handle *acpm;
 	struct device *dev = &pdev->dev;
 	int ret, irq;
 
diff --git a/include/linux/firmware/samsung/exynos-acpm-protocol.h b/include/linux/firmware/samsung/exynos-acpm-protocol.h
index 2091da965a5a..13f17dc4443b 100644
--- a/include/linux/firmware/samsung/exynos-acpm-protocol.h
+++ b/include/linux/firmware/samsung/exynos-acpm-protocol.h
@@ -14,30 +14,24 @@ struct acpm_handle;
 struct device_node;
 
 struct acpm_dvfs_ops {
-	int (*set_rate)(const struct acpm_handle *handle,
-			unsigned int acpm_chan_id, unsigned int clk_id,
-			unsigned long rate);
-	unsigned long (*get_rate)(const struct acpm_handle *handle,
+	int (*set_rate)(struct acpm_handle *handle, unsigned int acpm_chan_id,
+			unsigned int clk_id, unsigned long rate);
+	unsigned long (*get_rate)(struct acpm_handle *handle,
 				  unsigned int acpm_chan_id,
 				  unsigned int clk_id);
 };
 
 struct acpm_pmic_ops {
-	int (*read_reg)(const struct acpm_handle *handle,
-			unsigned int acpm_chan_id, u8 type, u8 reg, u8 chan,
-			u8 *buf);
-	int (*bulk_read)(const struct acpm_handle *handle,
-			 unsigned int acpm_chan_id, u8 type, u8 reg, u8 chan,
-			 u8 count, u8 *buf);
-	int (*write_reg)(const struct acpm_handle *handle,
-			 unsigned int acpm_chan_id, u8 type, u8 reg, u8 chan,
-			 u8 value);
-	int (*bulk_write)(const struct acpm_handle *handle,
-			  unsigned int acpm_chan_id, u8 type, u8 reg, u8 chan,
-			  u8 count, const u8 *buf);
-	int (*update_reg)(const struct acpm_handle *handle,
-			  unsigned int acpm_chan_id, u8 type, u8 reg, u8 chan,
-			  u8 value, u8 mask);
+	int (*read_reg)(struct acpm_handle *handle, unsigned int acpm_chan_id,
+			u8 type, u8 reg, u8 chan, u8 *buf);
+	int (*bulk_read)(struct acpm_handle *handle, unsigned int acpm_chan_id,
+			 u8 type, u8 reg, u8 chan, u8 count, u8 *buf);
+	int (*write_reg)(struct acpm_handle *handle, unsigned int acpm_chan_id,
+			 u8 type, u8 reg, u8 chan, u8 value);
+	int (*bulk_write)(struct acpm_handle *handle, unsigned int acpm_chan_id,
+			  u8 type, u8 reg, u8 chan, u8 count, const u8 *buf);
+	int (*update_reg)(struct acpm_handle *handle, unsigned int acpm_chan_id,
+			  u8 type, u8 reg, u8 chan, u8 value, u8 mask);
 };
 
 struct acpm_ops {
@@ -56,12 +50,12 @@ struct acpm_handle {
 struct device;
 
 #if IS_ENABLED(CONFIG_EXYNOS_ACPM_PROTOCOL)
-const struct acpm_handle *devm_acpm_get_by_node(struct device *dev,
-						struct device_node *np);
+struct acpm_handle *devm_acpm_get_by_node(struct device *dev,
+					  struct device_node *np);
 #else
 
-static inline const struct acpm_handle *devm_acpm_get_by_node(struct device *dev,
-							      struct device_node *np)
+static inline struct acpm_handle *devm_acpm_get_by_node(struct device *dev,
+							struct device_node *np)
 {
 	return NULL;
 }