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| author | John Stultz <john.stultz@linaro.org> | 2011-07-25 09:58:06 -0700 |
|---|---|---|
| committer | John Stultz <john.stultz@linaro.org> | 2011-07-25 09:58:06 -0700 |
| commit | 21a602b5cdc203cbcf8bbeeb26edeb3de7c65955 (patch) | |
| tree | 8618b4a8882f78076a779ebb416b54332cc213db /drivers/of/address.c | |
| parent | 1a3807e5a6bea7e4b195fbb399bbc09e73230d4c (diff) | |
| parent | 81f6236c4811b2b2b3ea64a306c071f76788ac4b (diff) | |
Merge branch 'upstream/linaro-3.0' into linaro-android-3.0linux-linaro-3.0-2011.07-1-android-0
Diffstat (limited to 'drivers/of/address.c')
| -rw-r--r-- | drivers/of/address.c | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/drivers/of/address.c b/drivers/of/address.c index b4559c58c09..da1f4b9605d 100644 --- a/drivers/of/address.c +++ b/drivers/of/address.c @@ -577,6 +577,24 @@ int of_address_to_resource(struct device_node *dev, int index, } EXPORT_SYMBOL_GPL(of_address_to_resource); +struct device_node *of_find_matching_node_by_address(struct device_node *from, + const struct of_device_id *matches, + u64 base_address) +{ + struct device_node *dn = of_find_matching_node(from, matches); + struct resource res; + + while (dn) { + if (of_address_to_resource(dn, 0, &res)) + continue; + if (res.start == base_address) + return dn; + dn = of_find_matching_node(dn, matches); + } + + return NULL; +} + /** * of_iomap - Maps the memory mapped IO for a given device_node |