diff options
| author | Takashi Iwai <tiwai@suse.de> | 2009-01-15 18:27:20 +0100 |
|---|---|---|
| committer | Takashi Iwai <tiwai@suse.de> | 2009-01-15 18:27:20 +0100 |
| commit | c0106d72b8d71696dbe9dc80e2c77d4ac63f7531 (patch) | |
| tree | ca96d2baecb0555e36219ed6968dc8e306e530ca /include/linux/irqnr.h | |
| parent | 5852973c129cf7c7e6c229abb7250673fc2a50c9 (diff) | |
| parent | eff317d0834ad1ff03f747f6bc2d76b9a9c95160 (diff) | |
Merge branch 'topic/asoc' into next/asoc
Diffstat (limited to 'include/linux/irqnr.h')
| -rw-r--r-- | include/linux/irqnr.h | 30 |
1 files changed, 19 insertions, 11 deletions
diff --git a/include/linux/irqnr.h b/include/linux/irqnr.h index 95d2b74641f5..86af92e9e84c 100644 --- a/include/linux/irqnr.h +++ b/include/linux/irqnr.h @@ -8,27 +8,35 @@ #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++) # define for_each_irq_desc_reverse(irq, desc) \ for (irq = nr_irqs - 1; irq >= 0; irq--) -#else +#else /* CONFIG_GENERIC_HARDIRQS */ extern int nr_irqs; +extern struct irq_desc *irq_to_desc(unsigned int irq); -#ifndef CONFIG_SPARSE_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) -struct irq_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 -#endif + +# define for_each_irq_desc_reverse(irq, desc) \ + for (irq = nr_irqs - 1, desc = irq_to_desc(irq); irq >= 0; \ + irq--, desc = irq_to_desc(irq)) \ + if (desc) + +#endif /* CONFIG_GENERIC_HARDIRQS */ #define for_each_irq_nr(irq) \ for (irq = 0; irq < nr_irqs; irq++) |