root/include/linux/irqreturn.h

INCLUDED FROM

   1 /* SPDX-License-Identifier: GPL-2.0 */
   2 #ifndef _LINUX_IRQRETURN_H
   3 #define _LINUX_IRQRETURN_H
   4 
   5 /**
   6  * enum irqreturn
   7  * @IRQ_NONE            interrupt was not from this device or was not handled
   8  * @IRQ_HANDLED         interrupt was handled by this device
   9  * @IRQ_WAKE_THREAD     handler requests to wake the handler thread
  10  */
  11 enum irqreturn {
  12         IRQ_NONE                = (0 << 0),
  13         IRQ_HANDLED             = (1 << 0),
  14         IRQ_WAKE_THREAD         = (1 << 1),
  15 };
  16 
  17 typedef enum irqreturn irqreturn_t;
  18 #define IRQ_RETVAL(x)   ((x) ? IRQ_HANDLED : IRQ_NONE)
  19 
  20 #endif