of: Export of_irq_find_parent()
We have platform code that needs to find a node's interrupt parent, so
export of_irq_find_parent() so we can use it.
Signed-off-by: Michael Ellerman <michael@ellerman.id.au>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
diff --git a/include/linux/of_irq.h b/include/linux/of_irq.h
index 109e013..e6955f5 100644
--- a/include/linux/of_irq.h
+++ b/include/linux/of_irq.h
@@ -68,6 +68,7 @@
extern int of_irq_count(struct device_node *dev);
extern int of_irq_to_resource_table(struct device_node *dev,
struct resource *res, int nr_irqs);
+extern struct device_node *of_irq_find_parent(struct device_node *child);
#endif /* CONFIG_OF_IRQ */
#endif /* CONFIG_OF */