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gpio: samsung: 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: Paul Bolle <pebolle@tiscali.nl>
Cc: Kukjin Kim <kgene.kim@samsung.com>
Acked-by: Tomasz Figa <tomasz.figa@gmail.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
This commit is contained in:
Linus Walleij 2015-12-07 14:19:19 +01:00
parent 78132252cc
commit ff4cd029c1
1 changed files with 2 additions and 2 deletions
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4
drivers/gpio/gpio-samsung.c
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@ -753,7 +753,7 @@ static void __init samsung_gpiolib_add(struct samsung_gpio_chip *chip)
#endif
/* gpiochip_add() prints own failure message on error. */
ret = gpiochip_add(gc);
ret = gpiochip_add_data(gc, chip);
if (ret >= 0)
s3c_gpiolib_track(chip);
}
@ -862,7 +862,7 @@ static void __init samsung_gpiolib_add_4bit2_chips(struct samsung_gpio_chip *chi
int samsung_gpiolib_to_irq(struct gpio_chip *chip, unsigned int offset)
{
struct samsung_gpio_chip *samsung_chip = container_of(chip, struct samsung_gpio_chip, chip);
struct samsung_gpio_chip *samsung_chip = gpiochip_get_data(chip);
return samsung_chip->irq_base + offset;
}