[PATCH v3 1/6] of/irq: Export of_irq_find_parent again

[Carlo Caione]

From: Carlo Caione <carlo at endlessm.com>

of_irq_find_parent was made static since it had no users outside of
of_irq.c. Export it again since we are going to use it again.

Signed-off-by: Carlo Caione <carlo at endlessm.com>
---
 drivers/of/irq.c       | 3 ++-
 include/linux/of_irq.h | 6 ++++++
 2 files changed, 8 insertions(+), 1 deletion(-)

diff --git a/drivers/of/irq.c b/drivers/of/irq.c
index 902b89b..4fa916d 100644
--- a/drivers/of/irq.c
+++ b/drivers/of/irq.c
@@ -53,7 +53,7 @@ EXPORT_SYMBOL_GPL(irq_of_parse_and_map);
  * Returns a pointer to the interrupt parent node, or NULL if the interrupt
  * parent could not be determined.
  */
-static struct device_node *of_irq_find_parent(struct device_node *child)
+struct device_node *of_irq_find_parent(struct device_node *child)
 {
 	struct device_node *p;
 	const __be32 *parp;
@@ -77,6 +77,7 @@ static struct device_node *of_irq_find_parent(struct device_node *child)
 
 	return p;
 }
+EXPORT_SYMBOL_GPL(of_irq_find_parent);
 
 /**
  * of_irq_parse_raw - Low level interrupt tree parsing
diff --git a/include/linux/of_irq.h b/include/linux/of_irq.h
index 039f2ee..6f879c6 100644
--- a/include/linux/of_irq.h
+++ b/include/linux/of_irq.h
@@ -94,6 +94,7 @@ static inline void of_msi_configure(struct device *dev, struct device_node *np)
  */
 extern unsigned int irq_of_parse_and_map(struct device_node *node, int index);
 u32 of_msi_map_rid(struct device *dev, struct device_node *msi_np, u32 rid_in);
+extern struct device_node *of_irq_find_parent(struct device_node *child);
 
 #else /* !CONFIG_OF && !CONFIG_SPARC */
 static inline unsigned int irq_of_parse_and_map(struct device_node *dev,
@@ -107,6 +108,11 @@ static inline u32 of_msi_map_rid(struct device *dev,
 {
 	return rid_in;
 }
+
+static inline void *of_irq_find_parent(struct device_node *child)
+{
+	return NULL;
+}
 #endif /* !CONFIG_OF */
 
 #endif /* __OF_IRQ_H */
-- 
2.5.0