USB OTG HNP (can you find any other appropriate TLAs?)

Dave:

In this section from usb_new_device():

	if (!is_targeted(udev)) {

		/* Maybe it can talk to us, though we can't talk to it.
		 * (Includes HNP test device.)
		 */
		if (udev->bus->b_hnp_enable || udev->bus->is_b_host) {
			err = __usb_port_suspend(udev, udev->bus->otg_port);
			if (err < 0)
				dev_dbg(&udev->dev, "HNP fail, %d\n", err);
		}

Is there any reason to call __usb_port_suspend() rather than 
usb_port_suspend()?  After all, an OTG device is required to have no 
more than one USB connection, so the port number would always be equal 
to udev->portnum and to 1.

Alan Stern


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