From 871480933a1c28f8a9fed4c4d34d06c439a7a422 Mon Sep 17 00:00:00 2001 From: Srikant Patnaik Date: Sun, 11 Jan 2015 12:28:04 +0530 Subject: Moved, renamed, and deleted files The original directory structure was scattered and unorganized. Changes are basically to make it look like kernel structure. --- drivers/usb/usb-common.c | 35 +++++++++++++++++++++++++++++++++++ 1 file changed, 35 insertions(+) create mode 100644 drivers/usb/usb-common.c (limited to 'drivers/usb/usb-common.c') diff --git a/drivers/usb/usb-common.c b/drivers/usb/usb-common.c new file mode 100644 index 00000000..d29503e9 --- /dev/null +++ b/drivers/usb/usb-common.c @@ -0,0 +1,35 @@ +/* + * 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 +#include +#include + +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"); -- cgit