Commit e63688d0 authored Aug 15, 2012 by Manu Gautam Committed by Stephen Boyd Jul 08, 2013

usb: gadget: Do not pullup D+ by default on bootup



UDC core is starting device controllers as soon as gadget driver
is registered with the UDC, resulting in controller pulling up D+.
This can cause problems with drivers which registers with UDC during
initialization but are ready for enumeration only after user enables
it later. One example of such a driver is android.c

Change-Id: I8985839bd2659f3e3962fe85bd261cd63f43a991
Signed-off-by: Manu Gautam <mgautam@codeaurora.org>

parent 60ba24a3

drivers/usb/gadget/udc-core.c

+0 −1

Original line number	Diff line number	Diff line
		@@ -335,7 +335,6 @@ static int udc_bind_to_driver(struct usb_udc udc, struct usb_gadget_driver dri
		driver->unbind(udc->gadget);
		goto err1;
		}
		usb_gadget_connect(udc->gadget);

		kobject_uevent(&udc->dev.kobj, KOBJ_CHANGE);
		return 0;