diff options
Diffstat (limited to 'drivers/base/core.c')
| -rw-r--r-- | drivers/base/core.c | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/drivers/base/core.c b/drivers/base/core.c index bbecaf9293be..c3064ff09af5 100644 --- a/drivers/base/core.c +++ b/drivers/base/core.c @@ -2884,3 +2884,19 @@ void set_secondary_fwnode(struct device *dev, struct fwnode_handle *fwnode) else dev->fwnode = fwnode; } + +/** + * device_set_of_node_from_dev - reuse device-tree node of another device + * @dev: device whose device-tree node is being set + * @dev2: device whose device-tree node is being reused + * + * Takes another reference to the new device-tree node after first dropping + * any reference held to the old node. + */ +void device_set_of_node_from_dev(struct device *dev, const struct device *dev2) +{ + of_node_put(dev->of_node); + dev->of_node = of_node_get(dev2->of_node); + dev->of_node_reused = true; +} +EXPORT_SYMBOL_GPL(device_set_of_node_from_dev); |