/* Common GPIO driver for STM32 MCUs. 
EXTI interrupt callback  */
static void gpio_stm32_isr(int line, void *arg)
/* Common GPIO driver for STM32 MCUs. 
EXTI interrupt callback  */
static void gpio_stm32_isr(int line, void *arg)
{
	struct gpio_stm32_data *data = arg;
	gpio_fire_callbacks(&data->cb, data->dev, BIT(line));
}