Hi, > +/** > + * device_get_child_node_count_named - number of child nodes with given name > + * > + * Scan device's child nodes and find all the nodes with a specific name and > + * return the number of found nodes. Potential '@number' -ending for scanned > + * names is ignored. Eg, > + * device_get_child_node_count(dev, "channel"); > + * would match all the nodes: > + * channel { }, channel@0 {}, channel@0xabba {}... > + * > + * @dev: Device to count the child nodes for > + * > + * Return: the number of child nodes with a matching name for a given device. > + */ > +unsigned int device_get_child_node_count_named(const struct device *dev, > + const char *name) > +{ > + struct fwnode_handle *child; > + unsigned int count = 0; > + > + device_for_each_child_node(dev, child) > + if (fwnode_name_eq(child, "channel")) s/"channel"/name/ ? > + count++; > + > + return count; > +} > +EXPORT_SYMBOL_GPL(device_get_child_node_count_named); I did not check how many users are you proposing for this, but if there's only one, then IMO this should not be a global function yet. It just feels to special case to me. But let's see what the others think. thanks, -- heikki