From patchwork Wed Jun 8 09:03:35 2016 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Roger Quadros X-Patchwork-Id: 69591 Delivered-To: patch@linaro.org Received: by 10.140.106.246 with SMTP id e109csp2383203qgf; Wed, 8 Jun 2016 02:04:36 -0700 (PDT) X-Received: by 10.66.249.234 with SMTP id yx10mr4629991pac.29.1465376676837; Wed, 08 Jun 2016 02:04:36 -0700 (PDT) Return-Path: Received: from vger.kernel.org (vger.kernel.org. [209.132.180.67]) by mx.google.com with ESMTP id o81si393922pfa.34.2016.06.08.02.04.36; Wed, 08 Jun 2016 02:04:36 -0700 (PDT) Received-SPF: pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) client-ip=209.132.180.67; Authentication-Results: mx.google.com; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1423050AbcFHJE3 (ORCPT + 31 others); Wed, 8 Jun 2016 05:04:29 -0400 Received: from bear.ext.ti.com ([198.47.19.11]:44092 "EHLO bear.ext.ti.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1423051AbcFHJEX (ORCPT ); Wed, 8 Jun 2016 05:04:23 -0400 Received: from dflxv15.itg.ti.com ([128.247.5.124]) by bear.ext.ti.com (8.13.7/8.13.7) with ESMTP id u5894DRJ026717; Wed, 8 Jun 2016 04:04:13 -0500 Received: from DFLE72.ent.ti.com (dfle72.ent.ti.com [128.247.5.109]) by dflxv15.itg.ti.com (8.14.3/8.13.8) with ESMTP id u5894DPc020139; Wed, 8 Jun 2016 04:04:13 -0500 Received: from dflp32.itg.ti.com (10.64.6.15) by DFLE72.ent.ti.com (128.247.5.109) with Microsoft SMTP Server id 14.3.294.0; Wed, 8 Jun 2016 04:04:11 -0500 Received: from lta0400828d.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 u5893q5R001659; Wed, 8 Jun 2016 04:04:07 -0500 From: Roger Quadros To: CC: , , , , , , , , , , , , , , , , , Roger Quadros Subject: [PATCH v9 03/14] usb: hcd.h: Add OTG to HCD interface Date: Wed, 8 Jun 2016 12:03:35 +0300 Message-ID: <1465376626-30122-4-git-send-email-rogerq@ti.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1465376626-30122-1-git-send-email-rogerq@ti.com> References: <1465376626-30122-1-git-send-email-rogerq@ti.com> MIME-Version: 1.0 Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org The OTG core will use struct otg_hcd_ops to interface with the HCD controller. The main purpose of this interface is to avoid directly calling HCD APIs 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 Acked-by: Peter Chen --- include/linux/usb/hcd.h | 24 ++++++++++++++++++++++++ 1 file changed, 24 insertions(+) -- 2.7.4 diff --git a/include/linux/usb/hcd.h b/include/linux/usb/hcd.h index 66fc137..7914bed 100644 --- a/include/linux/usb/hcd.h +++ b/include/linux/usb/hcd.h @@ -400,6 +400,30 @@ struct hc_driver { }; +/** + * struct otg_hcd_ops - Interface between OTG core and HCD + * + * Provided by the HCD core to allow the OTG core to interface with the HCD + * + * @add: function to add the HCD + * @remove: function to remove the HCD + * @usb_bus_start_enum: function to immediately start bus enumeration + * @usb_control_msg: function to build and send of a control urb + * @usb_hub_find_child: function to get pointer to the child device + */ +struct otg_hcd_ops { + int (*add)(struct usb_hcd *hcd, + unsigned int irqnum, unsigned long irqflags); + void (*remove)(struct usb_hcd *hcd); + int (*usb_bus_start_enum)(struct usb_bus *bus, unsigned int port_num); + int (*usb_control_msg)(struct usb_device *dev, unsigned int pipe, + __u8 request, __u8 requesttype, __u16 value, + __u16 index, void *data, __u16 size, + int timeout); + struct usb_device * (*usb_hub_find_child)(struct usb_device *hdev, + int port1); +}; + static inline int hcd_giveback_urb_in_bh(struct usb_hcd *hcd) { return hcd->driver->flags & HCD_BH;