Edit File: irqreturn.h
#ifndef _LINUX_IRQRETURN_H #define _LINUX_IRQRETURN_H /** * enum irqreturn * @IRQ_NONE interrupt was not from this device * @IRQ_HANDLED interrupt was handled by this device * @IRQ_WAKE_THREAD handler requests to wake the handler thread */ enum irqreturn { IRQ_NONE = (0 << 0), IRQ_HANDLED = (1 << 0), IRQ_WAKE_THREAD = (1 << 1), }; typedef enum irqreturn irqreturn_t; #define IRQ_RETVAL(x) ((x) != IRQ_NONE) #endif