pinctrl: sh-pfc: Confine legacy function GPIOs to SH

Legacy function GPIOs are no longer used on ARM since commit
a27c5cd1a08cc95c ("sh-pfc: sh73a0: Remove function GPIOs").
Extract its setup code into a separate function, and make all function
GPIO related code and data depend on CONFIG_SUPERH.

Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Acked-by: Linus Walleij <linus.walleij@linaro.org>
Acked-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>

diff --git a/drivers/pinctrl/sh-pfc/core.h b/drivers/pinctrl/sh-pfc/core.h
index 4c3c37bf7161804d4481f1860f8d0c7c6687eddc..c38ace46d7111b0d0d16de3b2684a391dec81cd8 100644 (file)
--- a/drivers/pinctrl/sh-pfc/core.h
+++ b/drivers/pinctrl/sh-pfc/core.h
@@ -46,7 +46,9 @@ struct sh_pfc {
        unsigned int nr_gpio_pins;
 
        struct sh_pfc_chip *gpio;
+#ifdef CONFIG_SUPERH
        struct sh_pfc_chip *func;
+#endif
 
        struct sh_pfc_pinctrl *pinctrl;
 };

diff --git a/drivers/pinctrl/sh-pfc/gpio.c b/drivers/pinctrl/sh-pfc/gpio.c
index e46439030914ad13bdc25f30c242d119a63deedc..685b3c24627daf03e6f049dc0a9e38ffa74419ff 100644 (file)
--- a/drivers/pinctrl/sh-pfc/gpio.c
+++ b/drivers/pinctrl/sh-pfc/gpio.c
@@ -261,6 +261,7 @@ static int gpio_pin_setup(struct sh_pfc_chip *chip)
  * Function GPIOs
  */
 
+#ifdef CONFIG_SUPERH
 static int gpio_function_request(struct gpio_chip *gc, unsigned offset)
 {
        static bool __print_once;
@@ -300,6 +301,7 @@ static int gpio_function_setup(struct sh_pfc_chip *chip)
 
        return 0;
 }
+#endif
 
 /* -----------------------------------------------------------------------------
  * Register/unregister
@@ -399,6 +401,7 @@ int sh_pfc_register_gpiochip(struct sh_pfc *pfc)
                }
        }
 
+#ifdef CONFIG_SUPERH
        /* Register the function GPIOs chip. */
        if (pfc->info->nr_func_gpios == 0)
                return 0;
@@ -408,6 +411,7 @@ int sh_pfc_register_gpiochip(struct sh_pfc *pfc)
                return PTR_ERR(chip);
 
        pfc->func = chip;
+#endif /* CONFIG_SUPERH */
 
        return 0;
 }
@@ -415,7 +419,8 @@ int sh_pfc_register_gpiochip(struct sh_pfc *pfc)
 int sh_pfc_unregister_gpiochip(struct sh_pfc *pfc)
 {
        gpiochip_remove(&pfc->gpio->gpio_chip);
+#ifdef CONFIG_SUPERH
        gpiochip_remove(&pfc->func->gpio_chip);
-
+#endif
        return 0;
 }

diff --git a/drivers/pinctrl/sh-pfc/sh_pfc.h b/drivers/pinctrl/sh-pfc/sh_pfc.h
index 15afd49fd4e33b5e72a9fe4b8c618d5ef4d2aa3a..7cb1ed61b303a722530e8e7d44e8c0f78fa5542c 100644 (file)
--- a/drivers/pinctrl/sh-pfc/sh_pfc.h
+++ b/drivers/pinctrl/sh-pfc/sh_pfc.h
@@ -143,8 +143,10 @@ struct sh_pfc_soc_info {
        const struct sh_pfc_function *functions;
        unsigned int nr_functions;
 
+#ifdef CONFIG_SUPERH
        const struct pinmux_func *func_gpios;
        unsigned int nr_func_gpios;
+#endif
 
        const struct pinmux_cfg_reg *cfg_regs;
        const struct pinmux_data_reg *data_regs;