Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S933511AbcDEOG1 (ORCPT ); Tue, 5 Apr 2016 10:06:27 -0400 Received: from arroyo.ext.ti.com ([192.94.94.40]:57992 "EHLO arroyo.ext.ti.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S933488AbcDEOGV (ORCPT ); Tue, 5 Apr 2016 10:06:21 -0400 From: Roger Quadros To: , , , CC: , , , , , , , , , , Roger Quadros Subject: [PATCH v6 05/12] usb: gadget.h: Add OTG to gadget interface Date: Tue, 5 Apr 2016 17:05:10 +0300 Message-ID: <1459865117-7032-6-git-send-email-rogerq@ti.com> X-Mailer: git-send-email 2.5.0 In-Reply-To: <1459865117-7032-1-git-send-email-rogerq@ti.com> References: <1459865117-7032-1-git-send-email-rogerq@ti.com> MIME-Version: 1.0 Content-Type: text/plain Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1210 Lines: 41 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 Reviewed-by: Peter Chen --- 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 5d4e151..8c0ae64 100644 --- a/include/linux/usb/gadget.h +++ b/include/linux/usb/gadget.h @@ -1100,6 +1100,20 @@ 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); +}; /*-------------------------------------------------------------------------*/ -- 2.5.0