Release 4.9 include/linux/irqreturn.h

#ifndef _LINUX_IRQRETURN_H

#define _LINUX_IRQRETURN_H

/**
 * enum irqreturn
 * @IRQ_NONE            interrupt was not from this device or was not handled
 * @IRQ_HANDLED         interrupt was handled by this device
 * @IRQ_WAKE_THREAD     handler requests to wake the handler thread
 */

enum irqreturn {
	
IRQ_NONE		= (0 << 0),
	
IRQ_HANDLED		= (1 << 0),
	
IRQ_WAKE_THREAD		= (1 << 1),
};


typedef enum irqreturn irqreturn_t;

#define IRQ_RETVAL(x)	((x) ? IRQ_HANDLED : IRQ_NONE)

#endif
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Directory: include/linux