usb_get_maximum_speed(9)

💅 usb_get_maximum_speed 💅

okay so bestie, welcome to the Kernel API Manual page for usb_get_maximum_speed — yes, that whole manual, we're doing this together ✨🫶.

✨ NAME ✨

usb_get_maximum_speed — Get maximum requested speed for a given USB controller. That's the whole vibe check, no cap 💖.

🌸 SYNOPSIS 🌸

enum usb_device_speed usb_get_maximum_speed (struct device *dev );

🎀 ARGUMENTS 🎀

• dev — Pointer to the given USB controller device. That's it, that's the argument, slay 🫶.

🦋 DESCRIPTION 🦋

Okay so here's the tea, bestie: the function gets the maximum speed string from property "maximum-speed", and returns the corresponding enum usb_device_speed. No cap, that's literally the whole bit — iconic behavior, honestly 💅✨.

💖 SEE ALSO 💖

Kernel file ./drivers/usb/common/common.c, plus this friend group of absolute legends:

• usb_ep_type_string(9)
• usb_otg_state_string(9)
• usb_speed_string(9)
• usb_get_maximum_ssp_rate(9)
• usb_state_string(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)

k bye bestie — this page’s source/version is ./drivers/usb/common, dated October 2026 🫶💖🎀.