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Message-Id: <1410703015-24127-1-git-send-email-fabf@skynet.be> Date: Sun, 14 Sep 2014 15:56:55 +0200 From: Fabian Frederick <fabf@...net.be> To: linux-kernel@...r.kernel.org Cc: Fabian Frederick <fabf@...net.be>, Linus Walleij <linus.walleij@...aro.org>, Alexandre Courbot <gnurou@...il.com>, linux-gpio@...r.kernel.org Subject: [PATCH 1/1 linux-next] gpio: use container_of to resolve cs5535_gpio_chip from gpio_chip Use container_of instead of casting first structure member. Signed-off-by: Fabian Frederick <fabf@...net.be> --- Compiled but untested. drivers/gpio/gpio-cs5535.c | 9 ++++++--- 1 file changed, 6 insertions(+), 3 deletions(-) diff --git a/drivers/gpio/gpio-cs5535.c b/drivers/gpio/gpio-cs5535.c index 92ec58f..668127f 100644 --- a/drivers/gpio/gpio-cs5535.c +++ b/drivers/gpio/gpio-cs5535.c @@ -201,7 +201,8 @@ EXPORT_SYMBOL_GPL(cs5535_gpio_setup_event); static int chip_gpio_request(struct gpio_chip *c, unsigned offset) { - struct cs5535_gpio_chip *chip = (struct cs5535_gpio_chip *) c; + struct cs5535_gpio_chip *chip = + container_of(c, struct cs5535_gpio_chip, chip); unsigned long flags; spin_lock_irqsave(&chip->lock, flags); @@ -241,7 +242,8 @@ static void chip_gpio_set(struct gpio_chip *chip, unsigned offset, int val) static int chip_direction_input(struct gpio_chip *c, unsigned offset) { - struct cs5535_gpio_chip *chip = (struct cs5535_gpio_chip *) c; + struct cs5535_gpio_chip *chip = + container_of(c, struct cs5535_gpio_chip, chip); unsigned long flags; spin_lock_irqsave(&chip->lock, flags); @@ -254,7 +256,8 @@ static int chip_direction_input(struct gpio_chip *c, unsigned offset) static int chip_direction_output(struct gpio_chip *c, unsigned offset, int val) { - struct cs5535_gpio_chip *chip = (struct cs5535_gpio_chip *) c; + struct cs5535_gpio_chip *chip = + container_of(c, struct cs5535_gpio_chip, chip); unsigned long flags; spin_lock_irqsave(&chip->lock, flags); -- 1.9.1 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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