include/linux/irqreturn.h

   1 #ifndef _LINUX_IRQRETURN_H
   2 #define _LINUX_IRQRETURN_H
   3
   4 /**
   5  * enum irqreturn
   6  * @IRQ_NONE            interrupt was not from this device or was not handled
   7  * @IRQ_HANDLED         interrupt was handled by this device
   8  * @IRQ_WAKE_THREAD     handler requests to wake the handler thread
   9  */
  10 enum irqreturn {
  11         IRQ_NONE                = (0 << 0),
  12         IRQ_HANDLED             = (1 << 0),
  13         IRQ_WAKE_THREAD         = (1 << 1),
  14 };
  15
  16 typedef enum irqreturn irqreturn_t;
  17 #define IRQ_RETVAL(x)   ((x) ? IRQ_HANDLED : IRQ_NONE)
  18
  19 #endif