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gpio: em: 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: Geert Uytterhoeven <geert+renesas@glider.be>
Cc: Magnus Damm <damm@opensource.se>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
This commit is contained in:
Linus Walleij 2015-12-06 00:36:39 +01:00
parent 1880657a15
commit 6219e7bba9
1 changed files with 2 additions and 2 deletions
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4
drivers/gpio/gpio-em.c
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@ -192,7 +192,7 @@ static irqreturn_t em_gio_irq_handler(int irq, void *dev_id)
static inline struct em_gio_priv *gpio_to_priv(struct gpio_chip *chip)
{
return container_of(chip, struct em_gio_priv, gpio_chip);
return gpiochip_get_data(chip);
}
static int em_gio_direction_input(struct gpio_chip *chip, unsigned offset)
@ -368,7 +368,7 @@ static int em_gio_probe(struct platform_device *pdev)
goto err1;
}
ret = gpiochip_add(gpio_chip);
ret = gpiochip_add_data(gpio_chip, p);
if (ret) {
dev_err(&pdev->dev, "failed to add GPIO controller\n");
goto err1;