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authorThomas Gleixner <tglx@linutronix.de>2008-10-16 18:20:58 +0200
committerIngo Molnar <mingo@elte.hu>2008-10-18 14:05:18 +0200
commitdd3a1db900f2a215a7d7dd71b836e149a6cf5fed (patch)
treeb7e124cec8f750116907a86701937f3edf272936 /include/linux/irqnr.h
parentcc8e920aaf5558f87851169b33c420cc4516c253 (diff)
downloadlinux-linaro-stable-dd3a1db900f2a215a7d7dd71b836e149a6cf5fed.tar.gz
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>
Diffstat (limited to 'include/linux/irqnr.h')
-rw-r--r--include/linux/irqnr.h24
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..3171ddc3b39d
--- /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