mirror of
https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
synced 2024-08-23 01:10:04 +00:00
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>
This commit is contained in:
parent
07bb80d40b
commit
e7887c2849
2 changed files with 12 additions and 0 deletions
|
@ -1040,6 +1040,17 @@ 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.
|
||||
|
|
|
@ -90,6 +90,7 @@ struct fwnode_handle *fwnode_get_named_child_node(struct fwnode_handle *fwnode,
|
|||
struct fwnode_handle *device_get_named_child_node(struct device *dev,
|
||||
const char *childname);
|
||||
|
||||
void fwnode_handle_get(struct fwnode_handle *fwnode);
|
||||
void fwnode_handle_put(struct fwnode_handle *fwnode);
|
||||
|
||||
unsigned int device_get_child_node_count(struct device *dev);
|
||||
|
|
Loading…
Reference in a new issue