usb_state_string(9)

💖 usb_state_string — Kernel API Manual, section 9 💖

okay so bestie, welcome to usb_state_string(9) from the Kernel API Manual. It’s giving “translator for USB states,” and honestly? iconic. ✨

🌸 NAME 🌸

usb_state_string — returns a human-readable name for the state. Periodt. 💅

✨ SYNOPSIS ✨

const char * usb_state_string (enum usb_device_state state );

🎀 ARGUMENTS 🎀

• state — the state you want a human-readable name for, bestie. If it’s not any of the states/devices in the usb_device_state_string enum, the string UNKNOWN gets returned. No cap. 🙈

🦋 SEE ALSO 🦋

Kernel file ./drivers/usb/common/common.c is the source-y bestie. Also go peek at these icons:

• usb_ep_type_string(9)
• usb_otg_state_string(9)
• usb_speed_string(9)
• usb_get_maximum_speed(9)
• usb_get_maximum_ssp_rate(9)
• usb_get_dr_mode_from_string(9)
• usb_get_role_switch_default_mode(9)
• usb_decode_interval(9)
• of_usb_get_dr_mode_by_phy(9)
• of_usb_host_tpl_support(9)
• of_usb_update_otg_caps(9)
• usb_of_get_companion_dev(9)

xoxo, this page is sourced from ./drivers/usb/common and dated October 2026 💖🫶