irqreturn.h 432 字节
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#ifndef _LINUX_IRQRETURN_H
#define _LINUX_IRQRETURN_H

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/**
 * enum irqreturn
 * @IRQ_NONE		interrupt was not from this device
 * @IRQ_HANDLED		interrupt was handled by this device
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 * @IRQ_WAKE_THREAD	handler requests to wake the handler thread
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 */
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enum irqreturn {
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	IRQ_NONE		= (0 << 0),
	IRQ_HANDLED		= (1 << 0),
	IRQ_WAKE_THREAD		= (1 << 1),
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};
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typedef enum irqreturn irqreturn_t;
#define IRQ_RETVAL(x)	((x) != IRQ_NONE)
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#endif