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/*
* 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_UNKNOWN] = "UNKNOWN",
[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))
speed = USB_SPEED_UNKNOWN;
return names[speed];
}
EXPORT_SYMBOL_GPL(usb_speed_string);
MODULE_LICENSE("GPL");
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