From mboxrd@z Thu Jan 1 00:00:00 1970 From: Peter Chen Subject: Re: [PATCH v3 06/11] usb: gadget.h: Add OTG to gadget interface Date: Fri, 17 Jul 2015 08:31:27 +0800 Message-ID: <20150717003126.GC3609@shlinux2> References: <1436350777-28056-1-git-send-email-rogerq@ti.com> <1436350777-28056-7-git-send-email-rogerq@ti.com> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Return-path: Content-Disposition: inline In-Reply-To: <1436350777-28056-7-git-send-email-rogerq-l0cyMroinI0@public.gmane.org> Sender: linux-usb-owner-u79uwXL29TY76Z2rM5mHXA@public.gmane.org To: Roger Quadros Cc: stern-nwvwT67g6+6dFdvTe/nMLpVzexx5G7lz@public.gmane.org, balbi-l0cyMroinI0@public.gmane.org, gregkh-hQyY1W1yCW8ekmWlsbkhG0B+6BGkLq7r@public.gmane.org, dan.j.williams-ral2JQCrhuEAvxtiuMwx3w@public.gmane.org, jun.li-KZfg59tc24xl57MIdRCFDg@public.gmane.org, mathias.nyman-VuQAYsv1563Yd54FQh9/CA@public.gmane.org, tony-4v6yS6AI5VpBDgjK7y7TUQ@public.gmane.org, Joao.Pinto-HKixBCOQz3hWk0Htik3J/w@public.gmane.org, linux-usb-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, linux-omap-u79uwXL29TY76Z2rM5mHXA@public.gmane.org List-Id: linux-omap@vger.kernel.org On Wed, Jul 08, 2015 at 01:19:32PM +0300, Roger Quadros wrote: > The OTG core will use struct otg_gadget_ops to > start/stop the gadget controller. > > The main purpose of this interface is to avoid directly > calling usb_gadget_start/stop() from the OTG core as they > wouldn't be defined in the built-in symbol table if > CONFIG_USB_GADGET is m. > > Signed-off-by: Roger Quadros > --- > include/linux/usb/gadget.h | 14 ++++++++++++++ > 1 file changed, 14 insertions(+) > > diff --git a/include/linux/usb/gadget.h b/include/linux/usb/gadget.h > index 4f3dfb7..0b4b341 100644 > --- a/include/linux/usb/gadget.h > +++ b/include/linux/usb/gadget.h > @@ -887,6 +887,20 @@ struct usb_gadget_driver { > }; > > > +/*-------------------------------------------------------------------------*/ > + > +/** > + * struct otg_gadget_ops - Interface between OTG core and gadget > + * > + * Provided by the gadget core to allow the OTG core to start/stop the gadget > + * > + * @start: function to start the gadget > + * @stop: function to stop the gadget > + */ > +struct otg_gadget_ops { > + int (*start)(struct usb_gadget *gadget); > + int (*stop)(struct usb_gadget *gadget); > +}; > > /*-------------------------------------------------------------------------*/ > > -- > 2.1.4 > Reviewed-by: Peter Chen -- Best Regards, Peter Chen -- To unsubscribe from this list: send the line "unsubscribe linux-usb" in the body of a message to majordomo-u79uwXL29TY76Z2rM5mHXA@public.gmane.org More majordomo info at http://vger.kernel.org/majordomo-info.html