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| author | Sakari Ailus <sakari.ailus@linux.intel.com> | 2017-03-28 10:52:22 +0300 |
|---|---|---|
| committer | Rafael J. Wysocki <rafael.j.wysocki@intel.com> | 2017-03-29 00:00:28 +0200 |
| commit | e7887c284969a23a98fe1aff2f631c5ccdcd1757 (patch) | |
| tree | b0e8e433d7d97eb4c05b5dbaad451efc58544195 /drivers/base | |
| parent | 07bb80d40b0e6a43aafb422296d33baed255569a (diff) | |
| download | linux-e7887c284969a23a98fe1aff2f631c5ccdcd1757.tar.bz2 | |
device property: Add fwnode_handle_get()
fwnode_handle_get() is used to obtain a reference to a fwnode_handle
container. In this case this is OF specific struct device_node.
This complements fwnode_handle_put() which is already implemented.
Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Reviewed-by: Mika Westerberg <mika.westerberg@linux.intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Diffstat (limited to 'drivers/base')
| -rw-r--r-- | drivers/base/property.c | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/drivers/base/property.c b/drivers/base/property.c index 4e98a6fad33f..23514bf67933 100644 --- a/drivers/base/property.c +++ b/drivers/base/property.c @@ -1041,6 +1041,17 @@ struct fwnode_handle *device_get_named_child_node(struct device *dev, EXPORT_SYMBOL_GPL(device_get_named_child_node); /** + * fwnode_handle_get - Obtain a reference to a device node + * @fwnode: Pointer to the device node to obtain the reference to. + */ +void fwnode_handle_get(struct fwnode_handle *fwnode) +{ + if (is_of_node(fwnode)) + of_node_get(to_of_node(fwnode)); +} +EXPORT_SYMBOL_GPL(fwnode_handle_get); + +/** * fwnode_handle_put - Drop reference to a device node * @fwnode: Pointer to the device node to drop the reference to. * |