#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 */ enum irqreturn { IRQ_NONE, IRQ_HANDLED, }; typedef enum irqreturn irqreturn_t; #define IRQ_RETVAL(x) ((x) != IRQ_NONE) #endif