gpio: ucb1400: 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().
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
diff --git a/drivers/gpio/gpio-ucb1400.c b/drivers/gpio/gpio-ucb1400.c
index cca78fb..2c5cd46 100644
--- a/drivers/gpio/gpio-ucb1400.c
+++ b/drivers/gpio/gpio-ucb1400.c
@@ -15,7 +15,7 @@
static int ucb1400_gpio_dir_in(struct gpio_chip *gc, unsigned off)
{
struct ucb1400_gpio *gpio;
- gpio = container_of(gc, struct ucb1400_gpio, gc);
+ gpio = gpiochip_get_data(gc);
ucb1400_gpio_set_direction(gpio->ac97, off, 0);
return 0;
}
@@ -23,7 +23,7 @@
static int ucb1400_gpio_dir_out(struct gpio_chip *gc, unsigned off, int val)
{
struct ucb1400_gpio *gpio;
- gpio = container_of(gc, struct ucb1400_gpio, gc);
+ gpio = gpiochip_get_data(gc);
ucb1400_gpio_set_direction(gpio->ac97, off, 1);
ucb1400_gpio_set_value(gpio->ac97, off, val);
return 0;
@@ -32,14 +32,15 @@
static int ucb1400_gpio_get(struct gpio_chip *gc, unsigned off)
{
struct ucb1400_gpio *gpio;
- gpio = container_of(gc, struct ucb1400_gpio, gc);
+
+ gpio = gpiochip_get_data(gc);
return !!ucb1400_gpio_get_value(gpio->ac97, off);
}
static void ucb1400_gpio_set(struct gpio_chip *gc, unsigned off, int val)
{
struct ucb1400_gpio *gpio;
- gpio = container_of(gc, struct ucb1400_gpio, gc);
+ gpio = gpiochip_get_data(gc);
ucb1400_gpio_set_value(gpio->ac97, off, val);
}
@@ -66,7 +67,7 @@
ucb->gc.set = ucb1400_gpio_set;
ucb->gc.can_sleep = true;
- err = gpiochip_add(&ucb->gc);
+ err = gpiochip_add_data(&ucb->gc, ucb);
if (err)
goto err;