usb_bus_start_enum(9)
NAME
usb_bus_start_enum - start immediate enumeration (for OTG)
SYNOPSIS
int usb_bus_start_enum(struct usb_bus * bus, unsigned port_num);
ARGUMENTS
- bus
- the bus (must use hcd framework)
- port_num
- 1-based number of port; usually bus->otg_port
CONTEXT
in_interrupt
DESCRIPTION
Starts enumeration, with an immediate reset followed later by khubd
identifying and possibly configuring the device. This is needed by OTG
controller drivers, where it helps meet HNP protocol timing
requirements for starting a port reset.