1 files changed, 24 insertions, 0 deletions

diff --git a/include/linux/irqnr.h b/include/linux/irqnr.h
new file mode 100644
index 000000000000..452c280c8115
--- /dev/null
+++ b/include/linux/irqnr.h
@@ -0,0 +1,24 @@
+#ifndef _LINUX_IRQNR_H
+#define _LINUX_IRQNR_H
+
+#ifndef CONFIG_GENERIC_HARDIRQS
+#include <asm/irq.h>
+# define nr_irqs                NR_IRQS
+
+# define for_each_irq_desc(irq, desc)           \
+        for (irq = 0; irq < nr_irqs; irq++)
+#else
+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
+
+#define for_each_irq_nr(irq)                    \
+        for (irq = 0; irq < nr_irqs; irq++)
+
+#endif