diff options
| author | Len Brown <len.brown@intel.com> | 2009-01-09 11:39:43 +0300 |
|---|---|---|
| committer | Len Brown <len.brown@intel.com> | 2009-01-09 11:39:43 +0300 |
| commit | b2576e1d4408e134e2188c967b1f28af39cd79d4 (patch) | |
| tree | 004f3c82faab760f304ce031d6d2f572e7746a50 /include/linux/irqnr.h | |
| parent | 3cc8a5f4ba91f67bbdb81a43a99281a26aab8d77 (diff) | |
| parent | 2150edc6c5cf00f7adb54538b9ea2a3e9cedca3f (diff) | |
| download | linux-b2576e1d4408e134e2188c967b1f28af39cd79d4.tar.xz | |
Merge branch 'linus' into release
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 452c280c8115..86af92e9e84c 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 |