From: Roger Quadros <rogerq@ti.com>
To: Alan Stern <stern@rowland.harvard.edu>
Cc: peter.chen@freescale.com, 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, joe@perches.com,
linux-usb@vger.kernel.org, linux-omap@vger.kernel.org,
linux-kernel@vger.kernel.org, devicetree@vger.kernel.org
Subject: Re: [PATCH v10 03/14] usb: hcd.h: Add OTG to HCD interface
Date: Tue, 14 Jun 2016 11:17:17 +0300 [thread overview]
Message-ID: <575FBD8D.7090700@ti.com> (raw)
In-Reply-To: <1465564043-27163-4-git-send-email-rogerq@ti.com>
+Alan
On 10/06/16 16:07, Roger Quadros wrote:
> The OTG core will use struct otg_hcd_ops to interface
> with the HCD (Host Controller Driver).
>
> 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 <rogerq@ti.com>
> Acked-by: Peter Chen <peter.chen@nxp.com>
> ---
> include/linux/usb/hcd.h | 24 ++++++++++++++++++++++++
> 1 file changed, 24 insertions(+)
>
> diff --git a/include/linux/usb/hcd.h b/include/linux/usb/hcd.h
> index 66fc137..7729c1f 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 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;
>
next prev parent reply other threads:[~2016-06-14 8:17 UTC|newest]
Thread overview: 90+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-06-10 13:07 [PATCH v10 00/14] USB OTG/dual-role framework Roger Quadros
2016-06-10 13:07 ` [PATCH v10 01/14] usb: hcd: Initialize hcd->flags to 0 Roger Quadros
[not found] ` <1465564043-27163-2-git-send-email-rogerq-l0cyMroinI0@public.gmane.org>
2016-06-14 8:16 ` Roger Quadros
2016-06-10 13:07 ` [PATCH v10 02/14] usb: otg-fsm: Prevent build warning "VDBG" redefined Roger Quadros
2016-06-10 13:07 ` [PATCH v10 03/14] usb: hcd.h: Add OTG to HCD interface Roger Quadros
2016-06-14 8:17 ` Roger Quadros [this message]
[not found] ` <575FBD8D.7090700-l0cyMroinI0@public.gmane.org>
2016-06-14 14:21 ` Alan Stern
2016-06-15 7:14 ` Roger Quadros
2016-06-10 13:07 ` [PATCH v10 04/14] usb: otg-fsm: use usb_otg wherever possible Roger Quadros
2016-06-10 13:07 ` [PATCH v10 05/14] usb: otg-fsm: move host controller operations into usb_otg->hcd_ops Roger Quadros
2016-06-10 13:07 ` [PATCH v10 07/14] usb: otg: get rid of CONFIG_USB_OTG_FSM in favour of CONFIG_USB_OTG Roger Quadros
2016-06-10 13:07 ` [PATCH v10 09/14] usb: of: add an API to get OTG device from USB controller node Roger Quadros
[not found] ` <1465564043-27163-10-git-send-email-rogerq-l0cyMroinI0@public.gmane.org>
2016-06-13 8:13 ` Jun Li
[not found] ` <AM4PR04MB213007B012120B6FF67F869689530-WOempg8NbQQzjTQnahXoOs9NdZoXdze2vxpqHgZTriW3zl9H0oFU5g@public.gmane.org>
2016-06-13 8:16 ` Roger Quadros
2016-06-13 8:23 ` [PATCH v11 " Roger Quadros
2016-06-10 13:07 ` [PATCH v10 10/14] usb: otg: add hcd companion support Roger Quadros
2016-06-10 13:07 ` [PATCH v10 11/14] usb: otg: use dev_vdbg() instead of VDBG() Roger Quadros
2016-06-10 13:07 ` [PATCH v10 12/14] usb: hcd: Adapt to OTG core Roger Quadros
2016-06-14 8:17 ` Roger Quadros
[not found] ` <1465564043-27163-1-git-send-email-rogerq-l0cyMroinI0@public.gmane.org>
2016-06-10 13:07 ` [PATCH v10 06/14] usb: gadget.h: Add OTG to gadget interface Roger Quadros
2016-06-12 9:13 ` Peter Chen
2016-06-20 7:21 ` Felipe Balbi
2016-06-20 7:28 ` Roger Quadros
[not found] ` <57679B30.6030809-l0cyMroinI0@public.gmane.org>
2016-06-20 8:13 ` Felipe Balbi
[not found] ` <87d1ncxopa.fsf-VuQAYsv1563Yd54FQh9/CA@public.gmane.org>
2016-06-20 8:25 ` Roger Quadros
[not found] ` <5767A87C.20704-l0cyMroinI0@public.gmane.org>
2016-06-20 9:24 ` Felipe Balbi
[not found] ` <87inx4qkka.fsf-VuQAYsv1563Yd54FQh9/CA@public.gmane.org>
2016-06-20 9:43 ` Roger Quadros
2016-06-10 13:07 ` [PATCH v10 08/14] usb: otg: add OTG/dual-role core Roger Quadros
[not found] ` <1465564043-27163-9-git-send-email-rogerq-l0cyMroinI0@public.gmane.org>
2016-06-12 11:21 ` Peter Chen
2016-06-13 7:42 ` Roger Quadros
2016-06-13 7:56 ` [PATCH v11 " Roger Quadros
2016-06-13 7:58 ` Peter Chen
[not found] ` <575E672E.5070603-l0cyMroinI0@public.gmane.org>
2016-06-20 7:45 ` Felipe Balbi
[not found] ` <87h9coxq04.fsf-VuQAYsv1563Yd54FQh9/CA@public.gmane.org>
2016-06-20 10:13 ` Roger Quadros
2016-06-20 12:03 ` Felipe Balbi
[not found] ` <878ty0qd7q.fsf-VuQAYsv1563Yd54FQh9/CA@public.gmane.org>
2016-06-20 12:26 ` Roger Quadros
2016-06-20 12:46 ` Felipe Balbi
2016-06-21 6:39 ` Peter Chen
2016-06-21 7:19 ` Felipe Balbi
2016-06-21 8:02 ` Peter Chen
2016-06-21 8:18 ` Felipe Balbi
[not found] ` <87mvmfneeq.fsf-VuQAYsv1563Yd54FQh9/CA@public.gmane.org>
2016-06-21 9:14 ` Peter Chen
2016-06-21 12:35 ` Felipe Balbi
2016-06-21 13:12 ` Peter Chen
2016-06-21 14:47 ` Felipe Balbi
[not found] ` <874m8mmwdo.fsf-VuQAYsv1563Yd54FQh9/CA@public.gmane.org>
2016-06-22 3:33 ` Peter Chen
2016-06-22 6:51 ` Felipe Balbi
[not found] ` <87shw5lnrs.fsf-VuQAYsv1563Yd54FQh9/CA@public.gmane.org>
2016-06-22 7:30 ` Peter Chen
2016-06-22 8:00 ` Felipe Balbi
2016-06-23 7:41 ` Yoshihiro Shimoda
[not found] ` <5767C1B9.2060805-l0cyMroinI0@public.gmane.org>
2016-06-21 2:30 ` Yoshihiro Shimoda
[not found] ` <SG2PR06MB0919045392F2545FF85033CED82B0-ESzmfEwOt/zNQ8RBPPB5A20DtJ1/0DrXvxpqHgZTriW3zl9H0oFU5g@public.gmane.org>
2016-06-21 7:21 ` Felipe Balbi
2016-06-20 11:49 ` Peter Chen
2016-06-20 12:08 ` Felipe Balbi
2016-06-21 6:05 ` Peter Chen
2016-06-21 7:26 ` Felipe Balbi
[not found] ` <877fdjovef.fsf-VuQAYsv1563Yd54FQh9/CA@public.gmane.org>
2016-06-21 9:07 ` Peter Chen
2016-06-21 10:02 ` Felipe Balbi
[not found] ` <87h9cmoo4s.fsf-VuQAYsv1563Yd54FQh9/CA@public.gmane.org>
2016-06-21 10:43 ` Tony Lindgren
2016-06-21 10:56 ` Felipe Balbi
2016-06-21 13:05 ` Peter Chen
2016-06-22 6:56 ` Felipe Balbi
2016-06-22 7:33 ` Peter Chen
2016-06-22 8:03 ` Felipe Balbi
2016-06-22 7:49 ` Roger Quadros
2016-06-22 8:14 ` Felipe Balbi
2016-06-22 8:30 ` Roger Quadros
2017-01-19 11:56 ` Vivek Gautam
2017-01-19 12:15 ` Roger Quadros
2017-01-19 15:15 ` vivek.gautam
[not found] ` <3c95b592d78aa569de33d420c4c93018-sgV2jX0FEOL9JmXXK+q4OQ@public.gmane.org>
2017-01-20 8:30 ` Roger Quadros
2017-01-20 11:39 ` Vivek Gautam
[not found] ` <576A4321.6020209-l0cyMroinI0@public.gmane.org>
2016-06-23 7:42 ` Yoshihiro Shimoda
2016-06-10 13:07 ` [PATCH v10 13/14] usb: gadget: udc: adapt to OTG core Roger Quadros
[not found] ` <1465564043-27163-14-git-send-email-rogerq-l0cyMroinI0@public.gmane.org>
2016-06-12 11:36 ` Peter Chen
2016-06-13 7:14 ` Roger Quadros
[not found] ` <575E5D57.7010700-l0cyMroinI0@public.gmane.org>
2016-06-13 7:20 ` Peter Chen
2016-06-13 7:37 ` Roger Quadros
[not found] ` <575E62D7.8010409-l0cyMroinI0@public.gmane.org>
2016-06-13 7:40 ` Peter Chen
2016-06-13 7:55 ` [PATCH v11 " Roger Quadros
2016-06-13 7:56 ` Peter Chen
2016-06-13 8:06 ` Roger Quadros
2016-06-10 13:07 ` [PATCH v10 14/14] usb: host: xhci-plat: Add otg device to platform data Roger Quadros
2016-06-14 8:18 ` Roger Quadros
2016-06-14 2:17 ` [PATCH v10 00/14] USB OTG/dual-role framework Peter Chen
2016-06-14 8:12 ` Roger Quadros
2016-06-16 11:07 ` Roger Quadros
[not found] ` <5762887A.4060606-l0cyMroinI0@public.gmane.org>
2016-06-17 7:17 ` Felipe Balbi
2016-06-17 7:31 ` Roger Quadros
-- strict thread matches above, loose matches on Subject: below --
2016-06-08 9:03 [PATCH v9 " Roger Quadros
2016-06-08 9:03 ` [PATCH v9 03/14] usb: hcd.h: Add OTG to HCD interface Roger Quadros
2016-06-09 7:51 ` [PATCH v10 " Roger Quadros
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