Chapter 3. USB-Standard Types

Table of Contents

usb_speed_string — Returns human readable-name of the speed.
usb_get_maximum_speed — Get maximum requested speed for a given USB controller.
usb_state_string — Returns human readable name for the state.

In <linux/usb/ch9.h> you will find the USB data types defined in chapter 9 of the USB specification. These data types are used throughout USB, and in APIs including this host side API, gadget APIs, and usbfs.