[PATCH] kernel: irq: fix build failure

[Sudip Mukherjee]

The allmodconfig build of powerpc is failing with the error:
ERROR: ".irq_set_parent" [drivers/mfd/tps65217.ko] undefined!

export the symbol to fix the failure.

Signed-off-by: Sudip Mukherjee <sudip.mukherjee@xxxxxxxxxxxxxxx>
---

build log is at:
https://travis-ci.org/sudipm-mukherjee/parport/jobs/165418652

 kernel/irq/manage.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/kernel/irq/manage.c b/kernel/irq/manage.c
index 0c5f1a5..5072814 100644
--- a/kernel/irq/manage.c
+++ b/kernel/irq/manage.c
@@ -721,6 +721,7 @@ int irq_set_parent(int irq, int parent_irq)
 	irq_put_desc_unlock(desc, flags);
 	return 0;
 }
+EXPORT_SYMBOL(irq_set_parent);
 #endif
 
 /*
-- 
1.9.1