| /* 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 |
