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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>
This commit is contained in:
Michael Ellerman 2011-04-14 22:31:57 +00:00 committed by Benjamin Herrenschmidt
parent 931e1241a2
commit 0b2e9a8e10
2 changed files with 2 additions and 1 deletions
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2
drivers/of/irq.c
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@ -56,7 +56,7 @@ 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;

1
include/linux/of_irq.h
View File

@ -68,6 +68,7 @@ extern int of_irq_to_resource(struct device_node *dev, int index,
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 */