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-rw-r--r--include/asm-powerpc/irq.h7
1 files changed, 7 insertions, 0 deletions
diff --git a/include/asm-powerpc/irq.h b/include/asm-powerpc/irq.h
index 51f87d9993b6..7bc6d73b2823 100644
--- a/include/asm-powerpc/irq.h
+++ b/include/asm-powerpc/irq.h
@@ -54,6 +54,13 @@
*/
extern unsigned int virt_irq_to_real_map[NR_IRQS];
+/* The maximum virtual IRQ number that we support. This
+ * can be set by the platform and will be reduced by the
+ * value of __irq_offset_value. It defaults to and is
+ * capped by (NR_IRQS - 1).
+ */
+extern unsigned int virt_irq_max;
+
/* Create a mapping for a real_irq if it doesn't already exist.
* Return the virtual irq as a convenience.
*/