device_find_child_by_name(9)

💅 device_find_child_by_name(9) 💅

okay so this is from the Kernel API Manual, bestie — welcome to the kernel, it's giving ✨ chaos but make it cute ✨

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🌸 NAME 🌸

device_find_child_by_name — device iterator for locating a child device. that's it, that's the whole gig 🎀

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✨ SYNOPSIS ✨

struct device * device_find_child_by_name (struct device *parent , const
char *name );

look at that signature. gorgeous. no notes. 💖

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🫶 ARGUMENTS 🫶

• parent — the parent struct device. the main character whose kids we're snooping on 👑
• name — name of the child device. like, the actual name you're looking for, no cap 🔍

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💜 DESCRIPTION 💜

so this is similar to the device_find_child function above, but plot twist — it returns a reference to a device that has the name name. literally just vibes-matching by name. the way it does that is lowkey iconic 🦋

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💀 NOTE 💀

you will need to drop the reference with put_device after use. fr fr. don't leave it hanging or the kernel will be Big Mad 😭

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🌈 SEE ALSO 🌈

Kernel file ./include/linux/device.h — and honestly? the whole friend group came:

• struct subsys_interface(9)
• struct device_attribute(9)
• struct dev_ext_attribute(9)
• DEVICE_ATTR(9)
• DEVICE_ATTR_RW(9)
• DEVICE_ATTR_ADMIN_RW(9)
• DEVICE_ATTR_RW_NAMED(9)
• DEVICE_ATTR_RO(9)
• DEVICE_ATTR_ADMIN_RO(9)
• DEVICE_ATTR_RO_NAMED(9)
• DEVICE_ATTR_WO(9)
• DEVICE_ATTR_WO_NAMED(9)
• DEVICE_ULONG_ATTR(9)
• DEVICE_INT_ATTR(9)
• DEVICE_BOOL_ATTR(9)
• DEVICE_STRING_ATTR_RO(9)
• enum device_link_state(9)
• enum dl_dev_state(9)
• enum device_removable(9)
• struct dev_links_info(9)
• struct dev_msi_info(9)
• enum device_physical_location_panel(9)
• enum device_physical_location_vertical_position(9)
• enum device_physical_location_horizontal_position(9)
• struct device_physical_location(9)
• enum struct_device_flags(9)
• struct device(9)
• struct device_link(9)
• device_set_driver_override(9)
• device_has_driver_override(9)
• device_match_driver_override(9)
• device_iommu_mapped(9)
• dev_name(9)
• dev_bus_name(9)
• device_find_any_child(9)
• device_lock_set_class(9)
• device_lock_reset_class(9)

like, the entire extended family showed up to the group chat 💅🔥

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so yeah, that's the whole page bestie — sourced from ./include/linux, dated October 2026, and this lil manpage is literally called device_find_child_by_name(9). slay, go find those children (devices) 👑💖✨