diff options
| author | Lachlan McIlroy <lachlan@redback.melbourne.sgi.com> | 2009-01-08 13:22:55 +1100 |
|---|---|---|
| committer | Lachlan McIlroy <lachlan@redback.melbourne.sgi.com> | 2009-01-08 13:22:55 +1100 |
| commit | 6206aa8b2b9a45b4cf3ee31b7209b014be349fd9 (patch) | |
| tree | 72c4223a2cc21bf055948eadb3b314ed0568ae9d /include/linux/irqnr.h | |
| parent | 95f8e302c04c0b0c6de35ab399a5551605eeb006 (diff) | |
| parent | 9e42d0cf5020aaf217433cad1a224745241d212a (diff) | |
Merge git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux-2.6
Diffstat (limited to 'include/linux/irqnr.h')
| -rw-r--r-- | include/linux/irqnr.h | 40 |
1 files changed, 31 insertions, 9 deletions
diff --git a/include/linux/irqnr.h b/include/linux/irqnr.h index 452c280c811..86af92e9e84 100644 --- a/include/linux/irqnr.h +++ b/include/linux/irqnr.h @@ -1,24 +1,46 @@ #ifndef _LINUX_IRQNR_H #define _LINUX_IRQNR_H +/* + * Generic irq_desc iterators: + */ +#ifdef __KERNEL__ + #ifndef CONFIG_GENERIC_HARDIRQS #include <asm/irq.h> -# define nr_irqs NR_IRQS + +/* + * Wrappers for non-genirq architectures: + */ +#define nr_irqs NR_IRQS +#define irq_to_desc(irq) (&irq_desc[irq]) # define for_each_irq_desc(irq, desc) \ for (irq = 0; irq < nr_irqs; irq++) -#else + +# define for_each_irq_desc_reverse(irq, desc) \ + for (irq = nr_irqs - 1; irq >= 0; irq--) +#else /* CONFIG_GENERIC_HARDIRQS */ + extern int nr_irqs; +extern struct irq_desc *irq_to_desc(unsigned int irq); + +# define for_each_irq_desc(irq, desc) \ + for (irq = 0, desc = irq_to_desc(irq); irq < nr_irqs; \ + irq++, desc = irq_to_desc(irq)) \ + if (desc) -# define for_each_irq_desc(irq, desc) \ - for (irq = 0, desc = irq_desc; irq < nr_irqs; irq++, desc++) # define for_each_irq_desc_reverse(irq, desc) \ - for (irq = nr_irqs - 1, desc = irq_desc + (nr_irqs - 1); \ - irq >= 0; irq--, desc--) -#endif + for (irq = nr_irqs - 1, desc = irq_to_desc(irq); irq >= 0; \ + irq--, desc = irq_to_desc(irq)) \ + if (desc) -#define for_each_irq_nr(irq) \ - for (irq = 0; irq < nr_irqs; irq++) +#endif /* CONFIG_GENERIC_HARDIRQS */ + +#define for_each_irq_nr(irq) \ + for (irq = 0; irq < nr_irqs; irq++) + +#endif /* __KERNEL__ */ #endif |