https://github.com/torvalds/linux
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Tip revision: c3b92c8787367a8bb53d57d9789b558f1295cc96 authored by Linus Torvalds on 24 October 2011, 07:10:05 UTC
Linux 3.1
Tip revision: c3b92c8
irqreturn.h
#ifndef _LINUX_IRQRETURN_H
#define _LINUX_IRQRETURN_H

/**
 * enum irqreturn
 * @IRQ_NONE		interrupt was not from this device
 * @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_NONE)

#endif
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