[linux.git] / include / linux / irqreturn.h

/* irqreturn.h */
#ifndef _LINUX_IRQRETURN_H
#define _LINUX_IRQRETURN_H

/*
 * For 2.4.x compatibility, 2.4.x can use
 *
 *	typedef void irqreturn_t;
 *	#define IRQ_NONE
 *	#define IRQ_HANDLED
 *	#define IRQ_RETVAL(x)
 *
 * To mix old-style and new-style irq handler returns.
 *
 * IRQ_NONE means we didn't handle it.
 * IRQ_HANDLED means that we did have a valid interrupt and handled it.
 * IRQ_RETVAL(x) selects on the two depending on x being non-zero (for handled)
 */
typedef int irqreturn_t;

#define IRQ_NONE	(0)
#define IRQ_HANDLED	(1)
#define IRQ_RETVAL(x)	((x) != 0)

#endif
Commit	Line	Data
908dcecd JB	1	/* irqreturn.h */
	2	#ifndef _LINUX_IRQRETURN_H
	3	#define _LINUX_IRQRETURN_H
	4
	5	/*
	6	* For 2.4.x compatibility, 2.4.x can use
	7	*
	8	* typedef void irqreturn_t;
	9	* #define IRQ_NONE
	10	* #define IRQ_HANDLED
	11	* #define IRQ_RETVAL(x)
	12	*
	13	* To mix old-style and new-style irq handler returns.
	14	*
	15	* IRQ_NONE means we didn't handle it.
	16	* IRQ_HANDLED means that we did have a valid interrupt and handled it.
	17	* IRQ_RETVAL(x) selects on the two depending on x being non-zero (for handled)
	18	*/
	19	typedef int irqreturn_t;
	20
	21	#define IRQ_NONE (0)
	22	#define IRQ_HANDLED (1)
	23	#define IRQ_RETVAL(x) ((x) != 0)
	24
	25	#endif