Hi Roger, > From: Roger Quadros > Sent: Wednesday, June 08, 2016 6:04 PM > > The OTG state machine needs a mechanism to start and > stop the gadget controller as well as connect/disconnect > from the bus. Add usb_gadget_start(), usb_gadget_stop() > and usb_gadget_connect_control(). > > Introduce usb_otg_add_gadget_udc() to allow controller drivers > to register a gadget controller that is part of an OTG instance. > > Register with OTG core when UDC is added in usb_add_gadget_udc_release() > and unregister on usb_del_gadget_udc(). > > Notify the OTG core when gadget function driver is available on > udc_bind_to_driver() and when it is removed in usb_gadget_remove_driver(). > > We need to unlock the usb_lock mutex before calling > usb_otg_register_gadget() else it will cause a circular > locking dependency. > > Ignore softconnect sysfs control when we're in OTG > mode as OTG FSM should care of gadget softconnect using > the b_bus_req mechanism. > > Signed-off-by: Roger Quadros <rogerq@xxxxxx> > --- > drivers/usb/gadget/udc/udc-core.c | 202 ++++++++++++++++++++++++++++++++++++-- > include/linux/usb/gadget.h | 4 + > 2 files changed, 196 insertions(+), 10 deletions(-) I tried to apply this patch on the Felipe's usb.git / testing/next branch, but I couldn't apply because the udc-core.c was renamed to core.c. https://git.kernel.org/cgit/linux/kernel/git/balbi/usb.git/commit/?h=testing/next&id=a22b539c7082b6a3046b3a9cebb356a047a2d81d I guess this patch needs rebase for that. Best regards, Yoshihiro Shimoda -- To unsubscribe from this list: send the line "unsubscribe devicetree" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
