From mboxrd@z Thu Jan 1 00:00:00 1970 From: Roger Quadros Subject: [PATCH v3 05/11] usb: hcd.h: Add OTG to HCD interface Date: Wed, 8 Jul 2015 13:19:31 +0300 Message-ID: <1436350777-28056-6-git-send-email-rogerq@ti.com> References: <1436350777-28056-1-git-send-email-rogerq@ti.com> Mime-Version: 1.0 Content-Type: text/plain Return-path: In-Reply-To: <1436350777-28056-1-git-send-email-rogerq@ti.com> Sender: linux-kernel-owner@vger.kernel.org To: stern@rowland.harvard.edu, balbi@ti.com, gregkh@linuxfoundation.org, peter.chen@freescale.com Cc: dan.j.williams@intel.com, jun.li@freescale.com, mathias.nyman@linux.intel.com, tony@atomide.com, Joao.Pinto@synopsys.com, linux-usb@vger.kernel.org, linux-kernel@vger.kernel.org, linux-omap@vger.kernel.org, Roger Quadros List-Id: linux-omap@vger.kernel.org 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 --- 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 c9aa779..4108288 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; -- 2.1.4