genirq: Implement sane enumeration

[firefly-linux-kernel-4.4.55.git] / include / linux / irqnr.h

diff --git a/include/linux/irqnr.h b/include/linux/irqnr.h
index 7bf89bc8cbca32762d082664c1839d8d642f8782..05aa8c23483ff502bdf94e76365236fa44ff9721 100644 (file)
--- 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)                   \