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26 lines
586 B
C
26 lines
586 B
C
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/* irqreturn.h */
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#ifndef _LINUX_IRQRETURN_H
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#define _LINUX_IRQRETURN_H
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/*
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* For 2.4.x compatibility, 2.4.x can use
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*
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* typedef void irqreturn_t;
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* #define IRQ_NONE
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* #define IRQ_HANDLED
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* #define IRQ_RETVAL(x)
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*
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* To mix old-style and new-style irq handler returns.
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*
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* IRQ_NONE means we didn't handle it.
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* IRQ_HANDLED means that we did have a valid interrupt and handled it.
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* IRQ_RETVAL(x) selects on the two depending on x being non-zero (for handled)
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*/
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typedef int irqreturn_t;
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#define IRQ_NONE (0)
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#define IRQ_HANDLED (1)
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#define IRQ_RETVAL(x) ((x) != 0)
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#endif
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