stm32_exti_hwspin_lock 326 drivers/irqchip/irq-stm32-exti.c err = stm32_exti_hwspin_lock(chip_data); stm32_exti_hwspin_lock 513 drivers/irqchip/irq-stm32-exti.c err = stm32_exti_hwspin_lock(chip_data);