pinctrl: sh-pfc: Convert to devm_gpiochip_add_data()

This allows to remove the .remove() callback, and all functions and data
it needed for its own bookkeeping.

Suggested-by: Laxman Dewangan <ldewangan@nvidia.com>
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Acked-by: Linus Walleij <linus.walleij@linaro.org>

4 files changed, 1 insertions, 26 deletions

diff --git a/drivers/pinctrl/sh-pfc/core.c b/drivers/pinctrl/sh-pfc/core.c
index 9b9cee06ec59..a3b82041b6a2 100644
--- a/drivers/pinctrl/sh-pfc/core.c
+++ b/drivers/pinctrl/sh-pfc/core.c
@@ -598,15 +598,6 @@ static int sh_pfc_probe(struct platform_device *pdev)
         return 0;
 }
 
-static int sh_pfc_remove(struct platform_device *pdev)
-{
-#ifdef CONFIG_PINCTRL_SH_PFC_GPIO
-        sh_pfc_unregister_gpiochip(platform_get_drvdata(pdev));
-#endif
-
-        return 0;
-}
-
 static const struct platform_device_id sh_pfc_id_table[] = {
 #ifdef CONFIG_PINCTRL_PFC_SH7203
         { "pfc-sh7203", (kernel_ulong_t)&sh7203_pinmux_info },
@@ -650,7 +641,6 @@ static const struct platform_device_id sh_pfc_id_table[] = {
 
 static struct platform_driver sh_pfc_driver = {
         .probe          = sh_pfc_probe,
-        .remove         = sh_pfc_remove,
         .id_table       = sh_pfc_id_table,
         .driver         = {
                 .name   = DRV_NAME,
diff --git a/drivers/pinctrl/sh-pfc/core.h b/drivers/pinctrl/sh-pfc/core.h
index 9dde6ea5e28f..0bbdea5849f4 100644
--- a/drivers/pinctrl/sh-pfc/core.h
+++ b/drivers/pinctrl/sh-pfc/core.h
@@ -20,7 +20,6 @@ struct sh_pfc_pin_range {
 };
 
 int sh_pfc_register_gpiochip(struct sh_pfc *pfc);
-int sh_pfc_unregister_gpiochip(struct sh_pfc *pfc);
 
 int sh_pfc_register_pinctrl(struct sh_pfc *pfc);
 
diff --git a/drivers/pinctrl/sh-pfc/gpio.c b/drivers/pinctrl/sh-pfc/gpio.c
index 97dff6a09ff0..6b5422766f13 100644
--- a/drivers/pinctrl/sh-pfc/gpio.c
+++ b/drivers/pinctrl/sh-pfc/gpio.c
@@ -318,7 +318,7 @@ sh_pfc_add_gpiochip(struct sh_pfc *pfc, int(*setup)(struct sh_pfc_chip *),
         if (ret < 0)
                 return ERR_PTR(ret);
 
-        ret = gpiochip_add_data(&chip->gpio_chip, chip);
+        ret = devm_gpiochip_add_data(pfc->dev, &chip->gpio_chip, chip);
         if (unlikely(ret < 0))
                 return ERR_PTR(ret);
 
@@ -399,18 +399,7 @@ int sh_pfc_register_gpiochip(struct sh_pfc *pfc)
         chip = sh_pfc_add_gpiochip(pfc, gpio_function_setup, NULL);
         if (IS_ERR(chip))
                 return PTR_ERR(chip);
-
-        pfc->func = chip;
 #endif /* CONFIG_SUPERH */
 
         return 0;
 }
-
-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 5732752667e2..5e966c09434d 100644
--- a/drivers/pinctrl/sh-pfc/sh_pfc.h
+++ b/drivers/pinctrl/sh-pfc/sh_pfc.h
@@ -207,9 +207,6 @@ 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_soc_operations {