diff options
| author | Simon Glass <sjg@chromium.org> | 2020-11-28 17:50:02 -0700 |
|---|---|---|
| committer | Simon Glass <sjg@chromium.org> | 2020-12-13 07:58:18 -0700 |
| commit | 0de1b07406d709c3951dbb1a69ca196d80bd516d (patch) | |
| tree | a741e4a124438112f6ef63c0fce2473da2870227 /include/dm/ofnode.h | |
| parent | 734206dda14b328bfb946eea1e343f06a5fcceea (diff) | |
dm: core: Add a livetree function to check node status
Add a way to find out if a node is enabled or not, based on its 'status'
property.
Signed-off-by: Simon Glass <sjg@chromium.org>
Diffstat (limited to 'include/dm/ofnode.h')
| -rw-r--r-- | include/dm/ofnode.h | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/include/dm/ofnode.h b/include/dm/ofnode.h index ced7f6ffb2..ee8c44a71e 100644 --- a/include/dm/ofnode.h +++ b/include/dm/ofnode.h @@ -345,6 +345,17 @@ const char *ofnode_read_string(ofnode node, const char *propname); */ int ofnode_read_u32_array(ofnode node, const char *propname, u32 *out_values, size_t sz); +/** + * ofnode_is_enabled() - Checks whether a node is enabled. + * This looks for a 'status' property. If this exists, then returns true if + * the status is 'okay' and false otherwise. If there is no status property, + * it returns true on the assumption that anything mentioned should be enabled + * by default. + * + * @node: node to examine + * @return false (not enabled) or true (enabled) + */ +bool ofnode_is_enabled(ofnode node); /** * ofnode_read_bool() - read a boolean value from a property |