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gpio: tps6586x: use gpiochip data pointer

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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: Laxman Dewangan <ldewangan@nvidia.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
This commit is contained in:
Linus Walleij 2015-12-07 14:46:45 +01:00
parent 92a41e2f73
commit 94a9037042
1 changed files with 5 additions and 10 deletions
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15
drivers/gpio/gpio-tps6586x.c
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@ -38,14 +38,9 @@ struct tps6586x_gpio {
struct device *parent;
};
static inline struct tps6586x_gpio *to_tps6586x_gpio(struct gpio_chip *chip)
{
return container_of(chip, struct tps6586x_gpio, gpio_chip);
}
static int tps6586x_gpio_get(struct gpio_chip *gc, unsigned offset)
{
struct tps6586x_gpio *tps6586x_gpio = to_tps6586x_gpio(gc);
struct tps6586x_gpio *tps6586x_gpio = gpiochip_get_data(gc);
uint8_t val;
int ret;
@ -59,7 +54,7 @@ static int tps6586x_gpio_get(struct gpio_chip *gc, unsigned offset)
static void tps6586x_gpio_set(struct gpio_chip *gc, unsigned offset,
int value)
{
struct tps6586x_gpio *tps6586x_gpio = to_tps6586x_gpio(gc);
struct tps6586x_gpio *tps6586x_gpio = gpiochip_get_data(gc);
tps6586x_update(tps6586x_gpio->parent, TPS6586X_GPIOSET2,
value << offset, 1 << offset);
@ -68,7 +63,7 @@ static void tps6586x_gpio_set(struct gpio_chip *gc, unsigned offset,
static int tps6586x_gpio_output(struct gpio_chip *gc, unsigned offset,
int value)
{
struct tps6586x_gpio *tps6586x_gpio = to_tps6586x_gpio(gc);
struct tps6586x_gpio *tps6586x_gpio = gpiochip_get_data(gc);
uint8_t val, mask;
tps6586x_gpio_set(gc, offset, value);
@ -82,7 +77,7 @@ static int tps6586x_gpio_output(struct gpio_chip *gc, unsigned offset,
static int tps6586x_gpio_to_irq(struct gpio_chip *gc, unsigned offset)
{
struct tps6586x_gpio *tps6586x_gpio = to_tps6586x_gpio(gc);
struct tps6586x_gpio *tps6586x_gpio = gpiochip_get_data(gc);
return tps6586x_irq_get_virq(tps6586x_gpio->parent,
TPS6586X_INT_PLDO_0 + offset);
@ -122,7 +117,7 @@ static int tps6586x_gpio_probe(struct platform_device *pdev)
else
tps6586x_gpio->gpio_chip.base = -1;
ret = gpiochip_add(&tps6586x_gpio->gpio_chip);
ret = gpiochip_add_data(&tps6586x_gpio->gpio_chip, tps6586x_gpio);
if (ret < 0) {
dev_err(&pdev->dev, "Could not register gpiochip, %d\n", ret);
return ret;