[PATCH 3/3] pinctrl: sh-pfc: Convert to devm_gpiochip_add_data()

[Geert Uytterhoeven]

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

Suggested-by: Laxman Dewangan <ldewan...@nvidia.com>
Signed-off-by: Geert Uytterhoeven <geert+rene...@glider.be>
---
 drivers/pinctrl/sh-pfc/core.c   | 10 ----------
 drivers/pinctrl/sh-pfc/core.h   |  1 -
 drivers/pinctrl/sh-pfc/gpio.c   | 13 +------------
 drivers/pinctrl/sh-pfc/sh_pfc.h |  3 ---
 4 files changed, 1 insertion(+), 26 deletions(-)

diff --git a/drivers/pinctrl/sh-pfc/core.c b/drivers/pinctrl/sh-pfc/core.c
index 9b9cee06ec59aad3..a3b82041b6a22b13 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 9dde6ea5e28f3a1b..0bbdea5849f41713 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 97dff6a09ff08115..6b5422766f13d7f8 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 5732752667e2654a..5e966c09434d969c 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 {
-- 
1.9.1