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-rw-r--r--include/linux/irqnr.h19
1 files changed, 16 insertions, 3 deletions
diff --git a/include/linux/irqnr.h b/include/linux/irqnr.h
index 7a299e989f8b..13754f813589 100644
--- a/include/linux/irqnr.h
+++ b/include/linux/irqnr.h
@@ -8,9 +8,22 @@
# define for_each_irq_desc(irq, desc) \
for (irq = 0; irq < nr_irqs; irq++)
-static inline early_sparse_irq_init(void)
-{
-}
+# define for_each_irq_desc_reverse(irq, desc) \
+ for (irq = nr_irqs - 1; irq >= 0; irq--)
+#else
+#ifndef CONFIG_SPARSE_IRQ
+
+struct irq_desc;
+extern int nr_irqs;
+# 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_nr(irq) \
+ for (irq = 0; irq < nr_irqs; irq++)
#endif