blob: d29503e954abf829c71e69f08ec995da39291481 [file] [log] [blame]
* Provides code common for host and device side USB.
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License as
* published by the Free Software Foundation, version 2.
* If either host side (ie. CONFIG_USB=y) or device side USB stack
* (ie. CONFIG_USB_GADGET=y) is compiled in the kernel, this module is
* compiled-in as well. Otherwise, if either of the two stacks is
* compiled as module, this file is compiled as module as well.
#include <linux/kernel.h>
#include <linux/module.h>
#include <linux/usb/ch9.h>
const char *usb_speed_string(enum usb_device_speed speed)
static const char *const names[] = {
[USB_SPEED_LOW] = "low-speed",
[USB_SPEED_FULL] = "full-speed",
[USB_SPEED_HIGH] = "high-speed",
[USB_SPEED_WIRELESS] = "wireless",
[USB_SPEED_SUPER] = "super-speed",
if (speed < 0 || speed >= ARRAY_SIZE(names))
return names[speed];