| Thomas Gleixner | dd3a1db | 2008-10-16 18:20:58 +0200 | [diff] [blame] | 1 | #ifndef _LINUX_IRQNR_H |
| 2 | #define _LINUX_IRQNR_H |
| 3 | |
| Ingo Molnar | 0ebb26e | 2008-12-12 11:26:39 +0100 | [diff] [blame] | 4 | /* |
| 5 | * Generic irq_desc iterators: |
| 6 | */ |
| 7 | #ifdef __KERNEL__ |
| 8 | |
| Thomas Gleixner | dd3a1db | 2008-10-16 18:20:58 +0200 | [diff] [blame] | 9 | #ifndef CONFIG_GENERIC_HARDIRQS |
| 10 | #include <asm/irq.h> |
| 11 | # define nr_irqs NR_IRQS |
| 12 | |
| 13 | # define for_each_irq_desc(irq, desc) \ |
| 14 | for (irq = 0; irq < nr_irqs; irq++) |
| Thomas Gleixner | dd3a1db | 2008-10-16 18:20:58 +0200 | [diff] [blame] | 15 | |
| Yinghai Lu | 240d367 | 2008-12-08 14:06:17 -0800 | [diff] [blame] | 16 | # define for_each_irq_desc_reverse(irq, desc) \ |
| 17 | for (irq = nr_irqs - 1; irq >= 0; irq--) |
| 18 | #else |
| Ingo Molnar | 0ebb26e | 2008-12-12 11:26:39 +0100 | [diff] [blame] | 19 | |
| 20 | extern int nr_irqs; |
| 21 | |
| Yinghai Lu | 240d367 | 2008-12-08 14:06:17 -0800 | [diff] [blame] | 22 | #ifndef CONFIG_SPARSE_IRQ |
| 23 | |
| 24 | struct irq_desc; |
| Yinghai Lu | 240d367 | 2008-12-08 14:06:17 -0800 | [diff] [blame] | 25 | # define for_each_irq_desc(irq, desc) \ |
| 26 | for (irq = 0, desc = irq_desc; irq < nr_irqs; irq++, desc++) |
| 27 | # define for_each_irq_desc_reverse(irq, desc) \ |
| 28 | for (irq = nr_irqs - 1, desc = irq_desc + (nr_irqs - 1); \ |
| 29 | irq >= 0; irq--, desc--) |
| Thomas Gleixner | dd3a1db | 2008-10-16 18:20:58 +0200 | [diff] [blame] | 30 | #endif |
| Yinghai Lu | 240d367 | 2008-12-08 14:06:17 -0800 | [diff] [blame] | 31 | #endif |
| 32 | |
| 33 | #define for_each_irq_nr(irq) \ |
| 34 | for (irq = 0; irq < nr_irqs; irq++) |
| Thomas Gleixner | dd3a1db | 2008-10-16 18:20:58 +0200 | [diff] [blame] | 35 | |
| Ingo Molnar | 0ebb26e | 2008-12-12 11:26:39 +0100 | [diff] [blame] | 36 | #endif /* __KERNEL__ */ |
| 37 | |
| Thomas Gleixner | dd3a1db | 2008-10-16 18:20:58 +0200 | [diff] [blame] | 38 | #endif |