linux/usb/ch9.h

1 /* SPDX-License-Identifier: GPL-2.0 */
9  * - the host side Linux-USB kernel driver API;
10  * - the "usbfs" user space API; and
11  * - the Linux "gadget" device/peripheral side driver API.
25  * [b] so that accessing bigger-than-a-bytes fields will never
30  *     someone that the two other points are non-issues for that
40  * usb_ep_type_string() - Returns human readable-name of the endpoint type.
41  * @ep_type: The endpoint type to return human-readable name for.  If it's not
48  * usb_speed_string() - Returns human readable-name of the speed.
49  * @speed: The speed to return human-readable name for.  If it's not
53 extern const char *usb_speed_string(enum usb_device_speed speed);
56  * usb_get_maximum_speed - Get maximum requested speed for a given USB
60  * The function gets the maximum speed string from property "maximum-speed",
66  * usb_state_string - Returns human readable name for the state.
67  * @state: The state to return a human-readable name for. If it's not
75  * usb_decode_ctrl - Returns human readable representation of control request.
76  * @str: buffer to return a human-readable representation of control request.
85  * Function returns decoded, formatted and human-readable description of