of_property_count_u16_elems(9)

🎀 NAME 🎀

okay bestie, this is the of_property_count_u16_elems(9) page from the Kernel API Manual, and the function of_property_count_u16_elems is literally here to count the number of u16 elements in a property. iconic behavior, no notes 💅✨

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✨ SYNOPSIS ✨

int of_property_count_u16_elems (const struct device_node *np , const char *propname );

periodt, that's the whole signature 🫶

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🦋 ARGUMENTS 🦋

• np — the device node from which the property value is to be read. like, which node are we reading from? that one 🔍
• propname — the name of the property to be searched. the property's lil name tag 🏷️

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🌸 DESCRIPTION 🌸

Search for a property in a device node and count the number of u16 elements in it. that's the vibe check, and it passes ✅

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💖 RETURN 💖

• the number of elements on success — slay 🔥
• -EINVAL if the property does not exist or its length does not match a multiple of u16 — not the right shape, bestie 😭
• -ENODATA if the property does not have a value — empty vibes 💀

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🌈 SEE ALSO 🌈

Kernel file: ./include/linux/of.h — the source with the receipts 📁✨ and then the whole friend group:

• of_node_init(9)
• of_machine_is_compatible(9)
• of_parse_phandle(9)
• of_parse_phandle_with_args(9)
• of_parse_phandle_with_fixed_args(9)
• of_parse_phandle_with_optional_args(9)
• of_phandle_args_equal(9)
• of_property_count_u8_elems(9)
• of_property_count_u32_elems(9)
• of_property_count_u64_elems(9)
• of_property_read_string_array(9)
• of_property_count_strings(9)
• of_property_read_string_index(9)
• of_property_present(9)
• of_property_read_u8_array(9)
• of_property_read_u16_array(9)
• of_property_read_u32_array(9)
• of_property_read_u64_array(9)
• struct of_changeset_entry(9)
• struct of_changeset(9)
• of_device_is_system_power_controller(9)
• of_have_populated_dt(9)

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mwah 💋 this page lives under ./include/linux, dated October 2026, and it's all about of_property_count_u16_elems(9) — byeee bestie! 🫶🎀