diff --git a/arch/powerpc/kernel/prom.c b/arch/powerpc/kernel/prom.c
index 6a5b468edb4d2e8021d6fc07807e3a4a6cb8fbb6..3bf968e740950bf041d65dff2b01c0795e94a153 100644
--- a/arch/powerpc/kernel/prom.c
+++ b/arch/powerpc/kernel/prom.c
@@ -1368,6 +1368,7 @@ prom_n_addr_cells(struct device_node* np)
 	/* No #address-cells property for the root node, default to 1 */
 	return 1;
 }
+EXPORT_SYMBOL(prom_n_addr_cells);
 
 int
 prom_n_size_cells(struct device_node* np)
@@ -1383,6 +1384,7 @@ prom_n_size_cells(struct device_node* np)
 	/* No #size-cells property for the root node, default to 1 */
 	return 1;
 }
+EXPORT_SYMBOL(prom_n_size_cells);
 
 /**
  * Work out the sense (active-low level / active-high edge)