gpio: vf610: use container_of() to get state container

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The state container of the vf610 GPIO driver is sometimes
extracted from the gpio_chip exploiting the fact that offsetof()
the struct gpio_chip inside the struct vf610_gpio_port is 0, so
the container_of() is in practice a noop. However if a member
is added to struct vf610_gpio_port in front of struct gpio_chip,
things will break. Using proper container_of() avoids this
problem.

Semantically this is a noop, the compiler will optimize it away,
but syntactically it makes me happier.

Also replace some explicit container_of() calls with the helper
function.

Acked-by: Stefan Agner <stefan@agner.ch>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>

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This commit is contained in:

Linus Walleij 2015-08-27 14:13:46 +02:00

parent 218f1f8b50

commit 2f930643c5

1 changed files with 19 additions and 10 deletions

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drivers/gpio/gpio-vf610.c

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