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From: Felipe Balbi <balbi@kernel.org>
To: Roger Quadros <rogerq@ti.com>,
	Sergei Shtylyov <sergei.shtylyov@cogentembedded.com>,
	peter.chen@freescale.com
Cc: tony@atomide.com, gregkh@linuxfoundation.org,
	dan.j.williams@intel.com, mathias.nyman@linux.intel.com,
	Joao.Pinto@synopsys.com, jun.li@freescale.com,
	grygorii.strashko@ti.com, yoshihiro.shimoda.uh@renesas.com,
	robh@kernel.org, nsekhar@ti.com, b-liu@ti.com,
	linux-usb@vger.kernel.org, linux-omap@vger.kernel.org,
	linux-kernel@vger.kernel.org, devicetree@vger.kernel.org
Subject: Re: [PATCH v10 08/14] usb: otg: add OTG/dual-role core
Date: Fri, 10 Jun 2016 14:02:36 +0300	[thread overview]
Message-ID: <87ziqt5msz.fsf@linux.intel.com> (raw)
In-Reply-To: <575A9C7C.7020902@ti.com>

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Hi,

Roger Quadros <rogerq@ti.com> writes:
>>> What is wrong with calling it gadget controller?
>> 
>>    It's not a controller, it's a piece of software AFAIU. Or is my English just too weak? :-)
>
> Everything at this point is a piece of software :).
>
> struct usb_gadget, represents the gadget controller device not the
> driver (or software).
>
> struct usb_gadget_driver represents the gadget function driver.
> struct usb_gadget_ops represents the UDC driver ops.

right, and usb_udc was added just to have a way of linking usb_gadget
with usb_gadget_driver so we could have more than one peripheral port in
a system.

-- 
balbi

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  reply	other threads:[~2016-06-10 11:02 UTC|newest]

Thread overview: 53+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2016-06-08  9:03 [PATCH v9 00/14] USB OTG/dual-role framework Roger Quadros
2016-06-08  9:03 ` [PATCH v9 01/14] usb: hcd: Initialize hcd->flags to 0 Roger Quadros
2016-06-08  9:03 ` [PATCH v9 02/14] usb: otg-fsm: Prevent build warning "VDBG" redefined Roger Quadros
2016-06-08  9:03 ` [PATCH v9 03/14] usb: hcd.h: Add OTG to HCD interface Roger Quadros
2016-06-08 11:39   ` Sergei Shtylyov
2016-06-08 12:04     ` Roger Quadros
2016-06-08 12:10       ` Sergei Shtylyov
2016-06-09  7:31         ` Roger Quadros
2016-06-09 10:16           ` Sergei Shtylyov
2016-06-09 14:11             ` Alan Stern
2016-06-10  7:01               ` Roger Quadros
2016-06-09  7:51   ` [PATCH v10 " Roger Quadros
2016-06-08  9:03 ` [PATCH v9 04/14] usb: otg-fsm: use usb_otg wherever possible Roger Quadros
2016-06-08  9:03 ` [PATCH v9 05/14] usb: otg-fsm: move host controller operations into usb_otg->hcd_ops Roger Quadros
2016-06-08  9:03 ` [PATCH v9 06/14] usb: gadget.h: Add OTG to gadget interface Roger Quadros
2016-06-08  9:03 ` [PATCH v9 07/14] usb: otg: get rid of CONFIG_USB_OTG_FSM in favour of CONFIG_USB_OTG Roger Quadros
2016-06-08  9:03 ` [PATCH v9 08/14] usb: otg: add OTG/dual-role core Roger Quadros
2016-06-08  9:53   ` Peter Chen
2016-06-08 10:12     ` Roger Quadros
2016-06-08 12:42       ` Peter Chen
2016-06-09  7:24         ` Roger Quadros
2016-06-12  6:26           ` Peter Chen
2016-06-12 10:56             ` Peter Chen
2016-06-09  7:53   ` [PATCH v10 " Roger Quadros
2016-06-09 12:34     ` Sergei Shtylyov
2016-06-10  7:04       ` Roger Quadros
2016-06-10 10:19       ` Roger Quadros
2016-06-10 10:44         ` Sergei Shtylyov
2016-06-10 10:54           ` Roger Quadros
2016-06-10 11:02             ` Felipe Balbi [this message]
2016-06-08  9:03 ` [PATCH v9 09/14] usb: of: add an API to get OTG device from USB controller node Roger Quadros
2016-06-08  9:03 ` [PATCH v9 10/14] usb: otg: add hcd companion support Roger Quadros
2016-06-08  9:03 ` [PATCH v9 11/14] usb: otg: use dev_dbg() instead of VDBG() Roger Quadros
2016-06-08 15:10   ` Joe Perches
2016-06-09  7:25     ` Roger Quadros
2016-06-09  7:55   ` [PATCH v10 " Roger Quadros
2016-06-09 15:43     ` Joe Perches
2016-06-10  7:05       ` Roger Quadros
2016-06-08  9:03 ` [PATCH v9 12/14] usb: hcd: Adapt to OTG core Roger Quadros
2016-06-08 11:42   ` Sergei Shtylyov
2016-06-08 12:06     ` Roger Quadros
2016-06-08 12:11       ` Sergei Shtylyov
2016-06-09  7:27         ` Roger Quadros
2016-06-08  9:03 ` [PATCH v9 13/14] usb: gadget: udc: adapt " Roger Quadros
2016-06-09 10:49   ` Yoshihiro Shimoda
2016-06-10  7:06     ` Roger Quadros
2016-06-08  9:03 ` [PATCH v9 14/14] usb: host: xhci-plat: Add otg device to platform data Roger Quadros
2016-06-09  5:27 ` [PATCH v9 00/14] USB OTG/dual-role framework Peter Chen
2016-06-09  7:30   ` Roger Quadros
2016-06-09 10:13     ` Yoshihiro Shimoda
2016-06-10 13:07 [PATCH v10 " Roger Quadros
2016-06-10 13:07 ` [PATCH v10 08/14] usb: otg: add OTG/dual-role core Roger Quadros
2016-06-12 11:21   ` Peter Chen
2016-06-13  7:42     ` Roger Quadros

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