From patchwork Mon Aug 24 13:21:16 2015 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Roger Quadros X-Patchwork-Id: 7064381 Return-Path: X-Original-To: patchwork-linux-omap@patchwork.kernel.org Delivered-To: patchwork-parsemail@patchwork2.web.kernel.org Received: from mail.kernel.org (mail.kernel.org [198.145.29.136]) by patchwork2.web.kernel.org (Postfix) with ESMTP id 927B4C05AC for ; Mon, 24 Aug 2015 13:25:21 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id 9E3A620614 for ; Mon, 24 Aug 2015 13:25:20 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id AC7F020600 for ; Mon, 24 Aug 2015 13:25:19 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S933019AbbHXNV5 (ORCPT ); Mon, 24 Aug 2015 09:21:57 -0400 Received: from devils.ext.ti.com ([198.47.26.153]:34455 "EHLO devils.ext.ti.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S932941AbbHXNVz (ORCPT ); Mon, 24 Aug 2015 09:21:55 -0400 Received: from dflxv15.itg.ti.com ([128.247.5.124]) by devils.ext.ti.com (8.13.7/8.13.7) with ESMTP id t7ODLmJ3021230; Mon, 24 Aug 2015 08:21:48 -0500 Received: from DLEE70.ent.ti.com (dlee70.ent.ti.com [157.170.170.113]) by dflxv15.itg.ti.com (8.14.3/8.13.8) with ESMTP id t7ODLmEo006926; Mon, 24 Aug 2015 08:21:48 -0500 Received: from dflp32.itg.ti.com (10.64.6.15) by DLEE70.ent.ti.com (157.170.170.113) with Microsoft SMTP Server id 14.3.224.2; Mon, 24 Aug 2015 08:21:48 -0500 Received: from rockdesk.ti.com (ileax41-snat.itg.ti.com [10.172.224.153]) by dflp32.itg.ti.com (8.14.3/8.13.8) with ESMTP id t7ODLQR8027049; Mon, 24 Aug 2015 08:21:45 -0500 From: Roger Quadros To: , , , CC: , , , , , , , , , Roger Quadros Subject: [PATCH v4 05/13] usb: hcd.h: Add OTG to HCD interface Date: Mon, 24 Aug 2015 16:21:16 +0300 Message-ID: <1440422484-4737-6-git-send-email-rogerq@ti.com> X-Mailer: git-send-email 2.1.4 In-Reply-To: <1440422484-4737-1-git-send-email-rogerq@ti.com> References: <1440422484-4737-1-git-send-email-rogerq@ti.com> MIME-Version: 1.0 Sender: linux-omap-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-omap@vger.kernel.org X-Spam-Status: No, score=-8.3 required=5.0 tests=BAYES_00, RCVD_IN_DNSWL_HI, RP_MATCHES_RCVD, UNPARSEABLE_RELAY autolearn=unavailable version=3.3.1 X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on mail.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP The OTG core will use struct otg_hcd_ops to add/remove the HCD controller. The main purpose of this interface is to avoid directly calling usb_add/remove_hcd() from the OTG core as they wouldn't be defined in the built-in symbol table if CONFIG_USB is m. Signed-off-by: Roger Quadros Reviewed-by: Peter Chen --- include/linux/usb/hcd.h | 14 ++++++++++++++ 1 file changed, 14 insertions(+) diff --git a/include/linux/usb/hcd.h b/include/linux/usb/hcd.h index d2784c1..27d78b1 100644 --- a/include/linux/usb/hcd.h +++ b/include/linux/usb/hcd.h @@ -386,6 +386,20 @@ struct hc_driver { }; +/** + * struct otg_hcd_ops - Interface between OTG core and HCD + * + * Provided by the HCD core to allow the OTG core to start/stop the HCD + * + * @add: function to add the HCD + * @remove: function to remove the HCD + */ +struct otg_hcd_ops { + int (*add)(struct usb_hcd *hcd, + unsigned int irqnum, unsigned long irqflags); + void (*remove)(struct usb_hcd *hcd); +}; + static inline int hcd_giveback_urb_in_bh(struct usb_hcd *hcd) { return hcd->driver->flags & HCD_BH;