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authorThomas Gleixner <tglx@linutronix.de>2010-09-30 10:45:07 +0200
committerThomas Gleixner <tglx@linutronix.de>2010-10-12 16:39:07 +0200
commita98d24b71b6e229965f18dc00d28dc71cb8fe324 (patch)
tree213a6daf67e459b2078e630d5a8163c3b8fd3a9c /include/linux/irqnr.h
parent13bfe99e09123ef5edb6acb81ba337d2db600b53 (diff)
downloadlinux-linaro-stable-a98d24b71b6e229965f18dc00d28dc71cb8fe324.tar.gz
genirq: Implement sane enumeration
Use the allocator bitmap to lookup active interrupts. Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Reviewed-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'include/linux/irqnr.h')
-rw-r--r--include/linux/irqnr.h5
1 files changed, 5 insertions, 0 deletions
diff --git a/include/linux/irqnr.h b/include/linux/irqnr.h
index 7bf89bc8cbca..05aa8c23483f 100644
--- a/include/linux/irqnr.h
+++ b/include/linux/irqnr.h
@@ -25,6 +25,7 @@
extern int nr_irqs;
extern struct irq_desc *irq_to_desc(unsigned int irq);
+unsigned int irq_get_next_irq(unsigned int offset);
# define for_each_irq_desc(irq, desc) \
for (irq = 0, desc = irq_to_desc(irq); irq < nr_irqs; \
@@ -47,6 +48,10 @@ extern struct irq_desc *irq_to_desc(unsigned int irq);
#define irq_node(irq) 0
#endif
+# define for_each_active_irq(irq) \
+ for (irq = irq_get_next_irq(0); irq < nr_irqs; \
+ irq = irq_get_next_irq(irq + 1))
+
#endif /* CONFIG_GENERIC_HARDIRQS */
#define for_each_irq_nr(irq) \