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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);
- const char *usb_state_string(enum usb_device_state state)
- {
- static const char *const names[] = {
- [USB_STATE_NOTATTACHED] = "not attached",
- [USB_STATE_ATTACHED] = "attached",
- [USB_STATE_POWERED] = "powered",
- [USB_STATE_RECONNECTING] = "reconnecting",
- [USB_STATE_UNAUTHENTICATED] = "unauthenticated",
- [USB_STATE_DEFAULT] = "default",
- [USB_STATE_ADDRESS] = "addresssed",
- [USB_STATE_CONFIGURED] = "configured",
- [USB_STATE_SUSPENDED] = "suspended",
- };
- if (state < 0 || state >= ARRAY_SIZE(names))
- return "UNKNOWN";
- return names[state];
- }
- EXPORT_SYMBOL_GPL(usb_state_string);
- MODULE_LICENSE("GPL");
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