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gpio: cdev: open-code to_gpio_chardev_data()

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This function is a wrapper around container_of(). It's used only once and
we will have a second notifier soon, so instead of having two flavors of
this helper, let's just open-code where needed.

Signed-off-by: Bartosz Golaszewski <bartosz.golaszewski@linaro.org>
Reviewed-by: Linus Walleij <linus.walleij@linaro.org>
Reviewed-by: Kent Gibson <warthog618@gmail.com>
This commit is contained in:
Bartosz Golaszewski 2023-08-17 13:42:34 +02:00
parent 17a7ca3589
commit e82bbd6761
1 changed files with 2 additions and 7 deletions
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9
drivers/gpio/gpiolib-cdev.c
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@ -2491,16 +2491,11 @@ static long gpio_ioctl_compat(struct file *file, unsigned int cmd,
}
#endif
static struct gpio_chardev_data *
to_gpio_chardev_data(struct notifier_block *nb)
{
return container_of(nb, struct gpio_chardev_data, lineinfo_changed_nb);
}
static int lineinfo_changed_notify(struct notifier_block *nb,
unsigned long action, void *data)
{
struct gpio_chardev_data *cdev = to_gpio_chardev_data(nb);
struct gpio_chardev_data *cdev =
container_of(nb, struct gpio_chardev_data, lineinfo_changed_nb);
struct gpio_v2_line_info_changed chg;
struct gpio_desc *desc = data;
int ret;