| /* 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 |