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authorGrant Likely <grant.likely@secretlab.ca>2011-07-05 23:42:28 -0600
committerGrant Likely <grant.likely@secretlab.ca>2011-07-18 16:32:26 -0600
commit90e33f62e027d330485d03598e1b2d8db3ff031c (patch)
tree8dea43baa65a88ba28771a945f126a511024f804 /include/linux/of_address.h
parent8c11642a50555e584774737f7c296f9aece310cf (diff)
downloadlwn-90e33f62e027d330485d03598e1b2d8db3ff031c.tar.gz
lwn-90e33f62e027d330485d03598e1b2d8db3ff031c.zip
of/address: Add of_find_matching_node_by_address helper
of_find_matching_node_by_address() can be used to find a device tree node for a device at a specific address. Signed-off-by: Grant Likely <grant.likely@secretlab.ca>
Diffstat (limited to 'include/linux/of_address.h')
-rw-r--r--include/linux/of_address.h4
1 files changed, 4 insertions, 0 deletions
diff --git a/include/linux/of_address.h b/include/linux/of_address.h
index 2feda6ee6140..bdfc20d8ff84 100644
--- a/include/linux/of_address.h
+++ b/include/linux/of_address.h
@@ -6,6 +6,10 @@
extern u64 of_translate_address(struct device_node *np, const __be32 *addr);
extern int of_address_to_resource(struct device_node *dev, int index,
struct resource *r);
+extern struct device_node *of_find_matching_node_by_address(
+ struct device_node *from,
+ const struct of_device_id *matches,
+ u64 base_address);
extern void __iomem *of_iomap(struct device_node *device, int index);
/* Extract an address from a device, returns the region size and