fwnode_get_child_node_count(9)

fwnode_get_child_node_count(9) 💅

bestie, welcome to the Kernel API Manual — this is the fwnode_get_child_node_count(9) page and it is lowkey iconic. ✨

🌸 NAME 🌸

fwnode_get_child_node_count — return the number of child nodes for a given firmware node. That's the whole vibe, no cap. 🫶

✨ SYNOPSIS ✨

unsigned int fwnode_get_child_node_count (const struct fwnode_handle
*fwnode );

💬 ARGUMENTS 💬

• fwnode — pointer to the parent firmware node. That's it, bestie; it's the parent firmware node pointer. 🎀

🎀 RETURN 🎀

the number of child nodes for a given firmware node. Periodt. 🔥

🦋 SEE ALSO 🦋

Kernel file ./drivers/base/property.c — that's the source file, bestie. The whole see-also crew is:

• device_property_present(9)
• fwnode_property_present(9)
• device_property_read_bool(9)
• fwnode_property_read_bool(9)
• device_property_read_u8_array(9)
• device_property_read_u16_array(9)
• device_property_read_u32_array(9)
• device_property_read_u64_array(9)
• device_property_read_string_array(9)
• device_property_read_string(9)
• device_property_match_string(9)
• fwnode_property_read_u8_array(9)
• fwnode_property_read_u16_array(9)
• fwnode_property_read_u32_array(9)
• fwnode_property_read_u64_array(9)
• fwnode_property_read_string_array(9)
• fwnode_property_read_string(9)
• fwnode_property_match_string(9)
• fwnode_property_match_property_string(9)
• fwnode_property_get_reference_args(9)
• fwnode_find_reference(9)
• fwnode_get_name(9)
• fwnode_get_name_prefix(9)
• fwnode_name_eq(9)
• fwnode_get_parent(9)
• fwnode_get_next_parent(9)
• fwnode_count_parents(9)
• fwnode_get_nth_parent(9)
• fwnode_get_next_child_node(9)
• fwnode_get_next_available_child_node(9)
• device_get_next_child_node(9)
• fwnode_get_named_child_node(9)
• device_get_named_child_node(9)
• fwnode_handle_get(9)
• fwnode_device_is_available(9)
• fwnode_get_named_child_node_count(9)
• fwnode_get_phy_mode(9)
• device_get_phy_mode(9)
• fwnode_iomap(9)
• fwnode_irq_get(9)
• fwnode_irq_get_byname(9)
• fwnode_graph_get_next_endpoint(9)
• fwnode_graph_get_port_parent(9)
• fwnode_graph_get_remote_port_parent(9)
• fwnode_graph_get_remote_port(9)
• fwnode_graph_get_remote_endpoint(9)
• fwnode_graph_get_endpoint_by_id(9)
• fwnode_graph_get_endpoint_count(9)
• fwnode_graph_parse_endpoint(9)
• fwnode_connection_find_match(9)
• fwnode_connection_find_matches(9)

✨ source ./drivers/base · date October 2026 · page fwnode_get_child_node_count(9) — that's the footer, bestie, and we're done! 💖