gpio: tps65910: use gpiochip data pointer

This makes the driver use the data pointer added to the gpio_chip
to store a pointer to the state container instead of relying on
container_of().

Acked-By: Rhyland Klein <rklein@nvidia.com>
Acked-by: Laxman Dewangan <ldewangan@nvidia.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>

diff --git a/drivers/gpio/gpio-tps65910.c b/drivers/gpio/gpio-tps65910.c
index 83894c0387fbef1e880b02d00a2ba8828a9dc88d..e81eee7627a36dd5e67039707947e192504841f3 100644 (file)
--- a/drivers/gpio/gpio-tps65910.c
+++ b/drivers/gpio/gpio-tps65910.c
@@ -27,14 +27,9 @@ struct tps65910_gpio {
        struct tps65910 *tps65910;
 };
 
-static inline struct tps65910_gpio *to_tps65910_gpio(struct gpio_chip *chip)
-{
-       return container_of(chip, struct tps65910_gpio, gpio_chip);
-}
-
 static int tps65910_gpio_get(struct gpio_chip *gc, unsigned offset)
 {
-       struct tps65910_gpio *tps65910_gpio = to_tps65910_gpio(gc);
+       struct tps65910_gpio *tps65910_gpio = gpiochip_get_data(gc);
        struct tps65910 *tps65910 = tps65910_gpio->tps65910;
        unsigned int val;
 
@@ -49,7 +44,7 @@ static int tps65910_gpio_get(struct gpio_chip *gc, unsigned offset)
 static void tps65910_gpio_set(struct gpio_chip *gc, unsigned offset,
                              int value)
 {
-       struct tps65910_gpio *tps65910_gpio = to_tps65910_gpio(gc);
+       struct tps65910_gpio *tps65910_gpio = gpiochip_get_data(gc);
        struct tps65910 *tps65910 = tps65910_gpio->tps65910;
 
        if (value)
@@ -63,7 +58,7 @@ static void tps65910_gpio_set(struct gpio_chip *gc, unsigned offset,
 static int tps65910_gpio_output(struct gpio_chip *gc, unsigned offset,
                                int value)
 {
-       struct tps65910_gpio *tps65910_gpio = to_tps65910_gpio(gc);
+       struct tps65910_gpio *tps65910_gpio = gpiochip_get_data(gc);
        struct tps65910 *tps65910 = tps65910_gpio->tps65910;
 
        /* Set the initial value */
@@ -75,7 +70,7 @@ static int tps65910_gpio_output(struct gpio_chip *gc, unsigned offset,
 
 static int tps65910_gpio_input(struct gpio_chip *gc, unsigned offset)
 {
-       struct tps65910_gpio *tps65910_gpio = to_tps65910_gpio(gc);
+       struct tps65910_gpio *tps65910_gpio = gpiochip_get_data(gc);
        struct tps65910 *tps65910 = tps65910_gpio->tps65910;
 
        return tps65910_reg_clear_bits(tps65910, TPS65910_GPIO0 + offset,
@@ -175,7 +170,7 @@ static int tps65910_gpio_probe(struct platform_device *pdev)
        }
 
 skip_init:
-       ret = gpiochip_add(&tps65910_gpio->gpio_chip);
+       ret = gpiochip_add_data(&tps65910_gpio->gpio_chip, tps65910_gpio);
        if (ret < 0) {
                dev_err(&pdev->dev, "Could not register gpiochip, %d\n", ret);
                return ret;