diff options
Diffstat (limited to 'libdde-linux26/contrib/include/linux/irqnr.h')
| -rw-r--r-- | libdde-linux26/contrib/include/linux/irqnr.h | 46 |
1 files changed, 46 insertions, 0 deletions
diff --git a/libdde-linux26/contrib/include/linux/irqnr.h b/libdde-linux26/contrib/include/linux/irqnr.h new file mode 100644 index 00000000..86af92e9 --- /dev/null +++ b/libdde-linux26/contrib/include/linux/irqnr.h @@ -0,0 +1,46 @@ +#ifndef _LINUX_IRQNR_H +#define _LINUX_IRQNR_H + +/* + * Generic irq_desc iterators: + */ +#ifdef __KERNEL__ + +#ifndef CONFIG_GENERIC_HARDIRQS +#include <asm/irq.h> + +/* + * 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 /* 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_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++) + +#endif /* __KERNEL__ */ + +#endif |