diff --git a/drivers/pinctrl/renesas/pfc-r8a77470.c b/drivers/pinctrl/renesas/pfc-r8a77470.c
index 3a722e0da48b781b..ee6e8fabab246c2b 100644
--- a/drivers/pinctrl/renesas/pfc-r8a77470.c
+++ b/drivers/pinctrl/renesas/pfc-r8a77470.c
@@ -3345,8 +3345,7 @@ static const struct pinmux_cfg_reg pinmux_config_regs[] = {
 	{ },
 };
 
-static int r8a77470_pin_to_pocctrl(struct sh_pfc *pfc, unsigned int pin,
-				   u32 *pocctrl)
+static int r8a77470_pin_to_pocctrl(unsigned int pin, u32 *pocctrl)
 {
 	int bit = -EINVAL;
 
diff --git a/drivers/pinctrl/renesas/pfc-r8a7790.c b/drivers/pinctrl/renesas/pfc-r8a7790.c
index 9c264dee03dfa906..0aa141069daf3389 100644
--- a/drivers/pinctrl/renesas/pfc-r8a7790.c
+++ b/drivers/pinctrl/renesas/pfc-r8a7790.c
@@ -5873,7 +5873,7 @@ static const struct pinmux_cfg_reg pinmux_config_regs[] = {
 	{ },
 };
 
-static int r8a7790_pin_to_pocctrl(struct sh_pfc *pfc, unsigned int pin, u32 *pocctrl)
+static int r8a7790_pin_to_pocctrl(unsigned int pin, u32 *pocctrl)
 {
 	if (pin < RCAR_GP_PIN(3, 0) || pin > RCAR_GP_PIN(3, 31))
 		return -EINVAL;
diff --git a/drivers/pinctrl/renesas/pfc-r8a7791.c b/drivers/pinctrl/renesas/pfc-r8a7791.c
index e4a284ae7cfaf59e..076a8b7d71de04d2 100644
--- a/drivers/pinctrl/renesas/pfc-r8a7791.c
+++ b/drivers/pinctrl/renesas/pfc-r8a7791.c
@@ -6602,7 +6602,7 @@ static const struct pinmux_cfg_reg pinmux_config_regs[] = {
 	{ },
 };
 
-static int r8a7791_pin_to_pocctrl(struct sh_pfc *pfc, unsigned int pin, u32 *pocctrl)
+static int r8a7791_pin_to_pocctrl(unsigned int pin, u32 *pocctrl)
 {
 	if (pin < RCAR_GP_PIN(6, 0) || pin > RCAR_GP_PIN(6, 23))
 		return -EINVAL;
diff --git a/drivers/pinctrl/renesas/pfc-r8a7794.c b/drivers/pinctrl/renesas/pfc-r8a7794.c
index 3835c3956bd1f017..d1b0e651738249ca 100644
--- a/drivers/pinctrl/renesas/pfc-r8a7794.c
+++ b/drivers/pinctrl/renesas/pfc-r8a7794.c
@@ -5570,7 +5570,7 @@ static const struct pinmux_cfg_reg pinmux_config_regs[] = {
 	{ },
 };
 
-static int r8a7794_pin_to_pocctrl(struct sh_pfc *pfc, unsigned int pin, u32 *pocctrl)
+static int r8a7794_pin_to_pocctrl(unsigned int pin, u32 *pocctrl)
 {
 	if (pin < RCAR_GP_PIN(6, 0) || pin > RCAR_GP_PIN(6, 23))
 		return -EINVAL;
diff --git a/drivers/pinctrl/renesas/pfc-r8a77950.c b/drivers/pinctrl/renesas/pfc-r8a77950.c
index ae3dd734c724bebf..63c9f6d6468b3869 100644
--- a/drivers/pinctrl/renesas/pfc-r8a77950.c
+++ b/drivers/pinctrl/renesas/pfc-r8a77950.c
@@ -5514,8 +5514,7 @@ static const struct pinmux_ioctrl_reg pinmux_ioctrl_regs[] = {
 	{ /* sentinel */ },
 };
 
-static int r8a77950_pin_to_pocctrl(struct sh_pfc *pfc, unsigned int pin,
-				   u32 *pocctrl)
+static int r8a77950_pin_to_pocctrl(unsigned int pin, u32 *pocctrl)
 {
 	int bit = -EINVAL;
 
diff --git a/drivers/pinctrl/renesas/pfc-r8a77951.c b/drivers/pinctrl/renesas/pfc-r8a77951.c
index bd6f83485e565210..9d6eef4e9d1885b9 100644
--- a/drivers/pinctrl/renesas/pfc-r8a77951.c
+++ b/drivers/pinctrl/renesas/pfc-r8a77951.c
@@ -5962,8 +5962,7 @@ static const struct pinmux_ioctrl_reg pinmux_ioctrl_regs[] = {
 	{ /* sentinel */ },
 };
 
-static int r8a77951_pin_to_pocctrl(struct sh_pfc *pfc,
-				   unsigned int pin, u32 *pocctrl)
+static int r8a77951_pin_to_pocctrl(unsigned int pin, u32 *pocctrl)
 {
 	int bit = -EINVAL;
 
diff --git a/drivers/pinctrl/renesas/pfc-r8a7796.c b/drivers/pinctrl/renesas/pfc-r8a7796.c
index 6079f588a201430d..75ea36829a70e024 100644
--- a/drivers/pinctrl/renesas/pfc-r8a7796.c
+++ b/drivers/pinctrl/renesas/pfc-r8a7796.c
@@ -5913,8 +5913,7 @@ static const struct pinmux_ioctrl_reg pinmux_ioctrl_regs[] = {
 	{ /* sentinel */ },
 };
 
-static int r8a7796_pin_to_pocctrl(struct sh_pfc *pfc,
-				  unsigned int pin, u32 *pocctrl)
+static int r8a7796_pin_to_pocctrl(unsigned int pin, u32 *pocctrl)
 {
 	int bit = -EINVAL;
 
diff --git a/drivers/pinctrl/renesas/pfc-r8a77965.c b/drivers/pinctrl/renesas/pfc-r8a77965.c
index 75e7b02337b2efea..6bb7f7543c37ca8d 100644
--- a/drivers/pinctrl/renesas/pfc-r8a77965.c
+++ b/drivers/pinctrl/renesas/pfc-r8a77965.c
@@ -6154,8 +6154,7 @@ static const struct pinmux_ioctrl_reg pinmux_ioctrl_regs[] = {
 	{ /* sentinel */ },
 };
 
-static int r8a77965_pin_to_pocctrl(struct sh_pfc *pfc,
-				   unsigned int pin, u32 *pocctrl)
+static int r8a77965_pin_to_pocctrl(unsigned int pin, u32 *pocctrl)
 {
 	int bit = -EINVAL;
 
diff --git a/drivers/pinctrl/renesas/pfc-r8a77970.c b/drivers/pinctrl/renesas/pfc-r8a77970.c
index bcbd5904451d2b79..94f90c13989eceb9 100644
--- a/drivers/pinctrl/renesas/pfc-r8a77970.c
+++ b/drivers/pinctrl/renesas/pfc-r8a77970.c
@@ -2434,8 +2434,7 @@ static const struct pinmux_ioctrl_reg pinmux_ioctrl_regs[] = {
 	{ /* sentinel */ },
 };
 
-static int r8a77970_pin_to_pocctrl(struct sh_pfc *pfc, unsigned int pin,
-				   u32 *pocctrl)
+static int r8a77970_pin_to_pocctrl(unsigned int pin, u32 *pocctrl)
 {
 	int bit = pin & 0x1f;
 
diff --git a/drivers/pinctrl/renesas/pfc-r8a77980.c b/drivers/pinctrl/renesas/pfc-r8a77980.c
index df15d9a2007e4828..c229a5d8fa573816 100644
--- a/drivers/pinctrl/renesas/pfc-r8a77980.c
+++ b/drivers/pinctrl/renesas/pfc-r8a77980.c
@@ -2878,8 +2878,7 @@ static const struct pinmux_ioctrl_reg pinmux_ioctrl_regs[] = {
 	{ /* sentinel */ },
 };
 
-static int r8a77980_pin_to_pocctrl(struct sh_pfc *pfc, unsigned int pin,
-				   u32 *pocctrl)
+static int r8a77980_pin_to_pocctrl(unsigned int pin, u32 *pocctrl)
 {
 	int bit = pin & 0x1f;
 
diff --git a/drivers/pinctrl/renesas/pfc-r8a77990.c b/drivers/pinctrl/renesas/pfc-r8a77990.c
index 68e82d4bc06ec663..228896529545c441 100644
--- a/drivers/pinctrl/renesas/pfc-r8a77990.c
+++ b/drivers/pinctrl/renesas/pfc-r8a77990.c
@@ -5023,8 +5023,7 @@ static const struct pinmux_ioctrl_reg pinmux_ioctrl_regs[] = {
 	{ /* sentinel */ },
 };
 
-static int r8a77990_pin_to_pocctrl(struct sh_pfc *pfc, unsigned int pin,
-				   u32 *pocctrl)
+static int r8a77990_pin_to_pocctrl(unsigned int pin, u32 *pocctrl)
 {
 	int bit = -EINVAL;
 
diff --git a/drivers/pinctrl/renesas/pfc-r8a77995.c b/drivers/pinctrl/renesas/pfc-r8a77995.c
index c3106fd040d90ae4..e8c896f19f45e376 100644
--- a/drivers/pinctrl/renesas/pfc-r8a77995.c
+++ b/drivers/pinctrl/renesas/pfc-r8a77995.c
@@ -2822,7 +2822,7 @@ static const struct pinmux_cfg_reg pinmux_config_regs[] = {
 	{ },
 };
 
-static int r8a77995_pin_to_pocctrl(struct sh_pfc *pfc, unsigned int pin, u32 *pocctrl)
+static int r8a77995_pin_to_pocctrl(unsigned int pin, u32 *pocctrl)
 {
 	int bit = -EINVAL;
 
diff --git a/drivers/pinctrl/renesas/pfc-r8a779a0.c b/drivers/pinctrl/renesas/pfc-r8a779a0.c
index 463ebd6c6c70d931..155294d0dd5abfb4 100644
--- a/drivers/pinctrl/renesas/pfc-r8a779a0.c
+++ b/drivers/pinctrl/renesas/pfc-r8a779a0.c
@@ -4011,8 +4011,7 @@ static const struct pinmux_ioctrl_reg pinmux_ioctrl_regs[] = {
 	{ /* sentinel */ },
 };
 
-static int r8a779a0_pin_to_pocctrl(struct sh_pfc *pfc, unsigned int pin,
-				   u32 *pocctrl)
+static int r8a779a0_pin_to_pocctrl(unsigned int pin, u32 *pocctrl)
 {
 	int bit = pin & 0x1f;
 
diff --git a/drivers/pinctrl/renesas/pinctrl.c b/drivers/pinctrl/renesas/pinctrl.c
index 96b9de974246ac23..a5862c67a6ecc22e 100644
--- a/drivers/pinctrl/renesas/pinctrl.c
+++ b/drivers/pinctrl/renesas/pinctrl.c
@@ -639,7 +639,7 @@ static int sh_pfc_pinconf_get(struct pinctrl_dev *pctldev, unsigned _pin,
 		if (!pfc->info->ops || !pfc->info->ops->pin_to_pocctrl)
 			return -ENOTSUPP;
 
-		bit = pfc->info->ops->pin_to_pocctrl(pfc, _pin, &pocctrl);
+		bit = pfc->info->ops->pin_to_pocctrl(_pin, &pocctrl);
 		if (WARN(bit < 0, "invalid pin %#x", _pin))
 			return bit;
 
@@ -711,7 +711,7 @@ static int sh_pfc_pinconf_set(struct pinctrl_dev *pctldev, unsigned _pin,
 			if (!pfc->info->ops || !pfc->info->ops->pin_to_pocctrl)
 				return -ENOTSUPP;
 
-			bit = pfc->info->ops->pin_to_pocctrl(pfc, _pin, &pocctrl);
+			bit = pfc->info->ops->pin_to_pocctrl(_pin, &pocctrl);
 			if (WARN(bit < 0, "invalid pin %#x", _pin))
 				return bit;
 
diff --git a/drivers/pinctrl/renesas/sh_pfc.h b/drivers/pinctrl/renesas/sh_pfc.h
index 4124e3b46c16c8de..d8a6bd0412e496d3 100644
--- a/drivers/pinctrl/renesas/sh_pfc.h
+++ b/drivers/pinctrl/renesas/sh_pfc.h
@@ -254,7 +254,7 @@ struct sh_pfc_soc_operations {
 	unsigned int (*get_bias)(struct sh_pfc *pfc, unsigned int pin);
 	void (*set_bias)(struct sh_pfc *pfc, unsigned int pin,
 			 unsigned int bias);
-	int (*pin_to_pocctrl)(struct sh_pfc *pfc, unsigned int pin, u32 *pocctrl);
+	int (*pin_to_pocctrl)(unsigned int pin, u32 *pocctrl);
 	void __iomem * (*pin_to_portcr)(struct sh_pfc *pfc, unsigned int pin);
 };
 
