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gpio: tps65912: 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().

Cc: Nicolas Saenz Julienne <nicolassaenzj@gmail.com>
Cc: Margarita Olaya <magi@slimlogic.co.uk>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
hifive-unleashed-5.1
Linus Walleij 2015-12-07 14:50:42 +01:00
parent b7c17b1b97
commit ad8dd23c45
1 changed files with 5 additions and 7 deletions
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12
drivers/gpio/gpio-tps65912.c
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@ -26,11 +26,9 @@ struct tps65912_gpio_data {
struct gpio_chip gpio_chip;
};
#define to_tgd(gc) container_of(gc, struct tps65912_gpio_data, gpio_chip)
static int tps65912_gpio_get(struct gpio_chip *gc, unsigned offset)
{
struct tps65912_gpio_data *tps65912_gpio = to_tgd(gc);
struct tps65912_gpio_data *tps65912_gpio = gpiochip_get_data(gc);
struct tps65912 *tps65912 = tps65912_gpio->tps65912;
int val;
@ -45,7 +43,7 @@ static int tps65912_gpio_get(struct gpio_chip *gc, unsigned offset)
static void tps65912_gpio_set(struct gpio_chip *gc, unsigned offset,
int value)
{
struct tps65912_gpio_data *tps65912_gpio = to_tgd(gc);
struct tps65912_gpio_data *tps65912_gpio = gpiochip_get_data(gc);
struct tps65912 *tps65912 = tps65912_gpio->tps65912;
if (value)
@ -59,7 +57,7 @@ static void tps65912_gpio_set(struct gpio_chip *gc, unsigned offset,
static int tps65912_gpio_output(struct gpio_chip *gc, unsigned offset,
int value)
{
struct tps65912_gpio_data *tps65912_gpio = to_tgd(gc);
struct tps65912_gpio_data *tps65912_gpio = gpiochip_get_data(gc);
struct tps65912 *tps65912 = tps65912_gpio->tps65912;
/* Set the initial value */
@ -71,7 +69,7 @@ static int tps65912_gpio_output(struct gpio_chip *gc, unsigned offset,
static int tps65912_gpio_input(struct gpio_chip *gc, unsigned offset)
{
struct tps65912_gpio_data *tps65912_gpio = to_tgd(gc);
struct tps65912_gpio_data *tps65912_gpio = gpiochip_get_data(gc);
struct tps65912 *tps65912 = tps65912_gpio->tps65912;
return tps65912_clear_bits(tps65912, TPS65912_GPIO1 + offset,
@ -108,7 +106,7 @@ static int tps65912_gpio_probe(struct platform_device *pdev)
if (pdata && pdata->gpio_base)
tps65912_gpio->gpio_chip.base = pdata->gpio_base;
ret = gpiochip_add(&tps65912_gpio->gpio_chip);
ret = gpiochip_add_data(&tps65912_gpio->gpio_chip, tps65912_gpio);
if (ret < 0) {
dev_err(&pdev->dev, "Failed to register gpiochip, %d\n", ret);
return ret;