1 #ifndef _LINUX_IRQRETURN_H 2 #define _LINUX_IRQRETURN_H 3 4 /** 5 * enum irqreturn 6 * @IRQ_NONE interrupt was not from this device 7 * @IRQ_HANDLED interrupt was handled by this device 8 */ 9 enum irqreturn { 10 IRQ_NONE, 11 IRQ_HANDLED, 12 }; 13 14 typedef enum irqreturn irqreturn_t; 15 #define IRQ_RETVAL(x) ((x) != IRQ_NONE) 16 17 #endif 18