gpio: gpiolib: make gpio_bus_type const

Now that the driver core can properly handle constant struct bus_type,
move the gpio_bus_type variable to be a constant structure as well,
placing it into read-only memory which can not be modified at runtime.

Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Suggested-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Ricardo B. Marliere <ricardo@marliere.net>
Signed-off-by: Bartosz Golaszewski <bartosz.golaszewski@linaro.org>
This commit is contained in:
Ricardo B. Marliere 2024-02-04 13:29:42 -03:00 committed by Bartosz Golaszewski
parent fc449cefe6
commit a875746f60

View File

@ -63,7 +63,7 @@ static int gpio_bus_match(struct device *dev, struct device_driver *drv)
return 1;
}
static struct bus_type gpio_bus_type = {
static const struct bus_type gpio_bus_type = {
.name = "gpio",
.match = gpio_bus_match,
};