From mboxrd@z Thu Jan 1 00:00:00 1970 From: Roger Quadros Subject: [PATCH v9 06/14] usb: gadget.h: Add OTG to gadget interface Date: Wed, 8 Jun 2016 12:03:38 +0300 Message-ID: <1465376626-30122-7-git-send-email-rogerq@ti.com> References: <1465376626-30122-1-git-send-email-rogerq@ti.com> Mime-Version: 1.0 Content-Type: text/plain Return-path: In-Reply-To: <1465376626-30122-1-git-send-email-rogerq@ti.com> Sender: linux-kernel-owner@vger.kernel.org To: peter.chen@freescale.com Cc: balbi@kernel.org, tony@atomide.com, gregkh@linuxfoundation.org, dan.j.williams@intel.com, mathias.nyman@linux.intel.com, Joao.Pinto@synopsys.com, sergei.shtylyov@cogentembedded.com, jun.li@freescale.com, grygorii.strashko@ti.com, yoshihiro.shimoda.uh@renesas.com, robh@kernel.org, nsekhar@ti.com, b-liu@ti.com, linux-usb@vger.kernel.org, linux-omap@vger.kernel.org, linux-kernel@vger.kernel.org, devicetree@vger.kernel.org, Roger Quadros List-Id: devicetree@vger.kernel.org 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 | 16 ++++++++++++++++ 1 file changed, 16 insertions(+) diff --git a/include/linux/usb/gadget.h b/include/linux/usb/gadget.h index 457651b..51e3bde 100644 --- a/include/linux/usb/gadget.h +++ b/include/linux/usb/gadget.h @@ -1100,6 +1100,22 @@ 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 + * @connect_control: function to connect/disconnect from the bus + */ +struct otg_gadget_ops { + int (*start)(struct usb_gadget *gadget); + int (*stop)(struct usb_gadget *gadget); + int (*connect_control)(struct usb_gadget *gadget, bool connect); +}; /*-------------------------------------------------------------------------*/ -- 2.7.4