genirq: improve include files
Move the irq_desc related iterators out of irq.h, into irqnr.h, also
available via interrupt.h.
This way non-genirq (and even non-hardirq) architectures get the
common definitions and iterators.
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
diff --git a/include/linux/irqnr.h b/include/linux/irqnr.h
new file mode 100644
index 0000000..3171ddc
--- /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