linux/include/linux/irqreturn.h
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   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 * @IRQ_WAKE_THREAD     handler requests to wake the handler thread
   9 */
  10enum irqreturn {
  11        IRQ_NONE                = (0 << 0),
  12        IRQ_HANDLED             = (1 << 0),
  13        IRQ_WAKE_THREAD         = (1 << 1),
  14};
  15
  16typedef enum irqreturn irqreturn_t;
  17#define IRQ_RETVAL(x)   ((x) != IRQ_NONE)
  18
  19#endif
  20
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