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gpio: max730x: 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().

Cc: Roland Stigge <stigge@antcom.de>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
This commit is contained in:
Linus Walleij 2015-12-07 09:27:05 +01:00
parent f291e0063b
commit 5e45e01916
1 changed files with 5 additions and 5 deletions
repo.diff.show_diff_stats Download patch file Download diff file Expand all files Collapse all files

10
drivers/gpio/gpio-max730x.c
View file

@ -50,7 +50,7 @@
static int max7301_direction_input(struct gpio_chip *chip, unsigned offset)
{
struct max7301 *ts = container_of(chip, struct max7301, chip);
struct max7301 *ts = gpiochip_get_data(chip);
u8 *config;
u8 offset_bits, pin_config;
int ret;
@ -92,7 +92,7 @@ static int __max7301_set(struct max7301 *ts, unsigned offset, int value)
static int max7301_direction_output(struct gpio_chip *chip, unsigned offset,
int value)
{
struct max7301 *ts = container_of(chip, struct max7301, chip);
struct max7301 *ts = gpiochip_get_data(chip);
u8 *config;
u8 offset_bits;
int ret;
@ -120,7 +120,7 @@ static int max7301_direction_output(struct gpio_chip *chip, unsigned offset,
static int max7301_get(struct gpio_chip *chip, unsigned offset)
{
struct max7301 *ts = container_of(chip, struct max7301, chip);
struct max7301 *ts = gpiochip_get_data(chip);
int config, level = -EINVAL;
/* First 4 pins are unused in the controller */
@ -148,7 +148,7 @@ static int max7301_get(struct gpio_chip *chip, unsigned offset)
static void max7301_set(struct gpio_chip *chip, unsigned offset, int value)
{
struct max7301 *ts = container_of(chip, struct max7301, chip);
struct max7301 *ts = gpiochip_get_data(chip);
/* First 4 pins are unused in the controller */
offset += 4;
@ -213,7 +213,7 @@ int __max730x_probe(struct max7301 *ts)
}
}
ret = gpiochip_add(&ts->chip);
ret = gpiochip_add_data(&ts->chip, ts);
if (ret)
goto exit_destroy;