pinctrl: sh-pfc: Remove obsolete sh_pfc_pin_to_bias_info()

All users of sh_pfc_pin_to_bias_info() and the related data structures
have been converted to sh_pfc_pin_to_bias_reg(), so those can be
removed.
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>

drivers/pinctrl/sh-pfc/core.c

@@ -389,21 +389,6 @@ int sh_pfc_config_mux(struct sh_pfc *pfc, unsigned mark, int pinmux_type)
 	return 0;
 }
 
-const struct sh_pfc_bias_info *
-sh_pfc_pin_to_bias_info(const struct sh_pfc_bias_info *info,
-			unsigned int num, unsigned int pin)
-{
-	unsigned int i;
-
-	for (i = 0; i < num; i++)
-		if (info[i].pin == pin)
-			return &info[i];
-
-	WARN_ONCE(1, "Pin %u is not in bias info list\n", pin);
-
-	return NULL;
-}
-
 const struct pinmux_bias_reg *
 sh_pfc_pin_to_bias_reg(const struct sh_pfc *pfc, unsigned int pin,
 		       unsigned int *bit)

drivers/pinctrl/sh-pfc/core.h

@@ -32,9 +32,6 @@ void sh_pfc_write(struct sh_pfc *pfc, u32 reg, u32 data);
 int sh_pfc_get_pin_index(struct sh_pfc *pfc, unsigned int pin);
 int sh_pfc_config_mux(struct sh_pfc *pfc, unsigned mark, int pinmux_type);
 
-const struct sh_pfc_bias_info *
-sh_pfc_pin_to_bias_info(const struct sh_pfc_bias_info *info,
-			unsigned int num, unsigned int pin);
 const struct pinmux_bias_reg *
 sh_pfc_pin_to_bias_reg(const struct sh_pfc *pfc, unsigned int pin,
 		       unsigned int *bit);

drivers/pinctrl/sh-pfc/sh_pfc.h

@@ -200,12 +200,6 @@ struct sh_pfc_window {
 	unsigned long size;
 };
 
-struct sh_pfc_bias_info {
-	u16 pin;
-	u16 reg : 11;
-	u16 bit : 5;
-};
-
 struct sh_pfc_pin_range;
 
 struct sh_pfc {