Commit d66895f9 authored Aug 14, 2013 by Peter Chen Committed by Greg Kroah-Hartman Aug 14, 2013

usb: chipidea: udc: otg_set_peripheral is useless for some chipidea users



It is useless at below cases:
- If we implement both usb host and device at chipidea driver.
- If we don't need phy->otg.

Tested-by: Marek Vasut <marex@denx.de>
Signed-off-by: Peter Chen <peter.chen@freescale.com>
Signed-off-by: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

parent 40ed51a4

drivers/usb/chipidea/udc.c

+6 −1

Original line number	Diff line number	Diff line
		@@ -1805,7 +1805,12 @@ static int udc_start(struct ci_hdrc *ci)
		if (ci->transceiver) {
		retval = otg_set_peripheral(ci->transceiver->otg,
		&ci->gadget);
		if (retval)
		/*
		* If we implement all USB functions using chipidea drivers,
		* it doesn't need to call above API, meanwhile, if we only
		* use gadget function, calling above API is useless.
		*/
		if (retval && retval != -ENOTSUPP)
		goto put_transceiver;
		}