diff options
Diffstat (limited to 'include/linux/irqnr.h')
| -rw-r--r-- | include/linux/irqnr.h | 26 |
1 files changed, 20 insertions, 6 deletions
diff --git a/include/linux/irqnr.h b/include/linux/irqnr.h index 452c280c8115..95d2b74641f5 100644 --- a/include/linux/irqnr.h +++ b/include/linux/irqnr.h | |||
| @@ -1,24 +1,38 @@ | |||
| 1 | #ifndef _LINUX_IRQNR_H | 1 | #ifndef _LINUX_IRQNR_H |
| 2 | #define _LINUX_IRQNR_H | 2 | #define _LINUX_IRQNR_H |
| 3 | 3 | ||
| 4 | /* | ||
| 5 | * Generic irq_desc iterators: | ||
| 6 | */ | ||
| 7 | #ifdef __KERNEL__ | ||
| 8 | |||
| 4 | #ifndef CONFIG_GENERIC_HARDIRQS | 9 | #ifndef CONFIG_GENERIC_HARDIRQS |
| 5 | #include <asm/irq.h> | 10 | #include <asm/irq.h> |
| 6 | # define nr_irqs NR_IRQS | 11 | # define nr_irqs NR_IRQS |
| 7 | 12 | ||
| 8 | # define for_each_irq_desc(irq, desc) \ | 13 | # define for_each_irq_desc(irq, desc) \ |
| 9 | for (irq = 0; irq < nr_irqs; irq++) | 14 | for (irq = 0; irq < nr_irqs; irq++) |
| 15 | |||
| 16 | # define for_each_irq_desc_reverse(irq, desc) \ | ||
| 17 | for (irq = nr_irqs - 1; irq >= 0; irq--) | ||
| 10 | #else | 18 | #else |
| 19 | |||
| 11 | extern int nr_irqs; | 20 | extern int nr_irqs; |
| 12 | 21 | ||
| 22 | #ifndef CONFIG_SPARSE_IRQ | ||
| 23 | |||
| 24 | struct irq_desc; | ||
| 13 | # define for_each_irq_desc(irq, desc) \ | 25 | # define for_each_irq_desc(irq, desc) \ |
| 14 | for (irq = 0, desc = irq_desc; irq < nr_irqs; irq++, desc++) | 26 | for (irq = 0, desc = irq_desc; irq < nr_irqs; irq++, desc++) |
| 15 | 27 | # define for_each_irq_desc_reverse(irq, desc) \ | |
| 16 | # define for_each_irq_desc_reverse(irq, desc) \ | 28 | for (irq = nr_irqs - 1, desc = irq_desc + (nr_irqs - 1); \ |
| 17 | for (irq = nr_irqs - 1, desc = irq_desc + (nr_irqs - 1); \ | 29 | irq >= 0; irq--, desc--) |
| 18 | irq >= 0; irq--, desc--) | 30 | #endif |
| 19 | #endif | 31 | #endif |
| 20 | 32 | ||
| 21 | #define for_each_irq_nr(irq) \ | 33 | #define for_each_irq_nr(irq) \ |
| 22 | for (irq = 0; irq < nr_irqs; irq++) | 34 | for (irq = 0; irq < nr_irqs; irq++) |
| 35 | |||
| 36 | #endif /* __KERNEL__ */ | ||
| 23 | 37 | ||
| 24 | #endif | 38 | #endif |
