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author | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2012-08-27 07:08:39 -0700 |
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committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2012-08-27 07:08:39 -0700 |
commit | 9db48aaf18d675ac41f550c9384154e0c00de2ef (patch) | |
tree | 70a19b9164c103e5f52dddff609e01672f8ef616 /drivers/of/base.c | |
parent | 0592969e73ae50ce6852d1aff3d222a335289094 (diff) | |
parent | fea7a08acb13524b47711625eebea40a0ede69a0 (diff) |
Merge 3.6-rc3 into driver-core-next
This picks up the printk fixes in 3.6-rc3 that are needed in this branch.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/of/base.c')
-rw-r--r-- | drivers/of/base.c | 27 |
1 files changed, 27 insertions, 0 deletions
diff --git a/drivers/of/base.c b/drivers/of/base.c index c181b94abc3..d4a1c9a043e 100644 --- a/drivers/of/base.c +++ b/drivers/of/base.c @@ -364,6 +364,33 @@ struct device_node *of_get_next_child(const struct device_node *node, EXPORT_SYMBOL(of_get_next_child); /** + * of_get_next_available_child - Find the next available child node + * @node: parent node + * @prev: previous child of the parent node, or NULL to get first + * + * This function is like of_get_next_child(), except that it + * automatically skips any disabled nodes (i.e. status = "disabled"). + */ +struct device_node *of_get_next_available_child(const struct device_node *node, + struct device_node *prev) +{ + struct device_node *next; + + read_lock(&devtree_lock); + next = prev ? prev->sibling : node->child; + for (; next; next = next->sibling) { + if (!of_device_is_available(next)) + continue; + if (of_node_get(next)) + break; + } + of_node_put(prev); + read_unlock(&devtree_lock); + return next; +} +EXPORT_SYMBOL(of_get_next_available_child); + +/** * of_find_node_by_path - Find a node matching a full OF path * @path: The full path to match * |