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-rw-r--r--arch/s390/include/asm/irq.h23
1 files changed, 23 insertions, 0 deletions
diff --git a/arch/s390/include/asm/irq.h b/arch/s390/include/asm/irq.h
new file mode 100644
index 000000000000..7da991a858f8
--- /dev/null
+++ b/arch/s390/include/asm/irq.h
@@ -0,0 +1,23 @@
+#ifndef _ASM_IRQ_H
+#define _ASM_IRQ_H
+
+#ifdef __KERNEL__
+#include <linux/hardirq.h>
+
+/*
+ * the definition of irqs has changed in 2.5.46:
+ * NR_IRQS is no longer the number of i/o
+ * interrupts (65536), but rather the number
+ * of interrupt classes (2).
+ * Only external and i/o interrupts make much sense here (CH).
+ */
+
+enum interruption_class {
+ EXTERNAL_INTERRUPT,
+ IO_INTERRUPT,
+
+ NR_IRQS,
+};
+
+#endif /* __KERNEL__ */
+#endif