From: Rob Herring <robh-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org>
To: Roger Quadros <rogerq-l0cyMroinI0@public.gmane.org>
Cc: peter.chen-KZfg59tc24xl57MIdRCFDg@public.gmane.org,
stern-nwvwT67g6+6dFdvTe/nMLpVzexx5G7lz@public.gmane.org,
balbi-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org,
gregkh-hQyY1W1yCW8ekmWlsbkhG0B+6BGkLq7r@public.gmane.org,
dan.j.williams-ral2JQCrhuEAvxtiuMwx3w@public.gmane.org,
jun.li-KZfg59tc24xl57MIdRCFDg@public.gmane.org,
mathias.nyman-VuQAYsv1563Yd54FQh9/CA@public.gmane.org,
tony-4v6yS6AI5VpBDgjK7y7TUQ@public.gmane.org,
Joao.Pinto-HKixBCOQz3hWk0Htik3J/w@public.gmane.org,
abrestic-F7+t8E8rja9g9hUCZPvPmw@public.gmane.org,
yoshihiro.shimoda.uh-zM6kxYcvzFBBDgjK7y7TUQ@public.gmane.org,
linux-usb-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
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linux-omap-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
devicetree-u79uwXL29TY76Z2rM5mHXA@public.gmane.org
Subject: Re: [PATCH v7 10/14] usb: otg: add hcd companion support
Date: Wed, 4 May 2016 08:17:00 -0500 [thread overview]
Message-ID: <20160504131700.GA20184@rob-hp-laptop> (raw)
In-Reply-To: <1462191537-10314-11-git-send-email-rogerq-l0cyMroinI0@public.gmane.org>
On Mon, May 02, 2016 at 03:18:53PM +0300, Roger Quadros wrote:
> From: Yoshihiro Shimoda <yoshihiro.shimoda.uh-zM6kxYcvzFBBDgjK7y7TUQ@public.gmane.org>
>
> Since some host controller (e.g. EHCI) needs a companion host controller
> (e.g. OHCI), this patch adds such a configuration to use it in the OTG
> core.
>
> Signed-off-by: Yoshihiro Shimoda <yoshihiro.shimoda.uh-zM6kxYcvzFBBDgjK7y7TUQ@public.gmane.org>
> Signed-off-by: Roger Quadros <rogerq-l0cyMroinI0@public.gmane.org>
> ---
> Documentation/devicetree/bindings/usb/generic.txt | 3 +++
> drivers/usb/common/usb-otg.c | 32 ++++++++++++++++-------
> include/linux/usb/otg.h | 7 ++++-
> 3 files changed, 32 insertions(+), 10 deletions(-)
>
> diff --git a/Documentation/devicetree/bindings/usb/generic.txt b/Documentation/devicetree/bindings/usb/generic.txt
> index f6866c1..1db1c33 100644
> --- a/Documentation/devicetree/bindings/usb/generic.txt
> +++ b/Documentation/devicetree/bindings/usb/generic.txt
> @@ -27,6 +27,9 @@ Optional properties:
> - otg-controller: phandle to otg controller. Host or gadget controllers can
> contain this property to link it to a particular OTG
> controller.
> + - hcd-needs-companion: must be present if otg controller is dealing with
> + EHCI host controller that needs a companion OHCI host
> + controller.
Don't you need to have a link to the companion controller node?
>
> This is an attribute to a USB controller such as:
>
--
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next prev parent reply other threads:[~2016-05-04 13:17 UTC|newest]
Thread overview: 60+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-05-02 12:18 [PATCH v7 00/14] USB OTG/dual-role framework Roger Quadros
2016-05-02 12:18 ` [PATCH v7 01/14] usb: hcd: Initialize hcd->flags to 0 Roger Quadros
[not found] ` <1462191537-10314-2-git-send-email-rogerq-l0cyMroinI0@public.gmane.org>
2016-05-06 9:05 ` Peter Chen
2016-05-02 12:18 ` [PATCH v7 02/14] usb: otg-fsm: Prevent build warning "VDBG" redefined Roger Quadros
2016-05-11 8:17 ` Peter Chen
2016-05-02 12:18 ` [PATCH v7 03/14] usb: hcd.h: Add OTG to HCD interface Roger Quadros
2016-05-06 9:41 ` Peter Chen
[not found] ` <20160506094103.GF32359-Fb7DQEYuewWctlrPMvKcciBecyulp+rMXqFh9Ls21Oc@public.gmane.org>
2016-05-09 9:45 ` Roger Quadros
[not found] ` <57305C42.90300-l0cyMroinI0@public.gmane.org>
2016-05-10 3:14 ` Peter Chen
2016-05-10 7:34 ` Roger Quadros
2016-05-10 8:03 ` Jun Li
2016-05-10 9:20 ` Roger Quadros
2016-05-11 6:19 ` Peter Chen
2016-05-10 8:12 ` Felipe Balbi
2016-05-10 9:12 ` Roger Quadros
[not found] ` <1462191537-10314-1-git-send-email-rogerq-l0cyMroinI0@public.gmane.org>
2016-05-02 12:18 ` [PATCH v7 04/14] usb: otg-fsm: use usb_otg wherever possible Roger Quadros
2016-05-02 12:18 ` [PATCH v7 05/14] usb: otg-fsm: move host controller operations into usb_otg->hcd_ops Roger Quadros
[not found] ` <1462191537-10314-6-git-send-email-rogerq-l0cyMroinI0@public.gmane.org>
2016-05-11 6:10 ` Peter Chen
[not found] ` <20160511061001.GA16910-Fb7DQEYuewWctlrPMvKcciBecyulp+rMXqFh9Ls21Oc@public.gmane.org>
2016-05-11 11:02 ` Roger Quadros
[not found] ` <5733113D.2030009-l0cyMroinI0@public.gmane.org>
2016-05-11 12:32 ` Roger Quadros
[not found] ` <5733265E.2040105-l0cyMroinI0@public.gmane.org>
2016-05-12 8:18 ` Peter Chen
[not found] ` <20160512081843.GA23083-Fb7DQEYuewWctlrPMvKcciBecyulp+rMXqFh9Ls21Oc@public.gmane.org>
2016-05-12 8:29 ` Roger Quadros
2016-05-02 12:18 ` [PATCH v7 06/14] usb: gadget.h: Add OTG to gadget interface Roger Quadros
2016-05-02 12:18 ` [PATCH v7 07/14] usb: otg: get rid of CONFIG_USB_OTG_FSM in favour of CONFIG_USB_OTG Roger Quadros
[not found] ` <1462191537-10314-8-git-send-email-rogerq-l0cyMroinI0@public.gmane.org>
2016-05-11 8:21 ` Peter Chen
2016-05-02 12:18 ` [PATCH v7 08/14] usb: otg: add OTG/dual-role core Roger Quadros
2016-05-11 8:34 ` Peter Chen
2016-05-11 11:03 ` Roger Quadros
2016-05-02 12:18 ` [PATCH v7 09/14] usb: of: add an API to get OTG device from USB controller node Roger Quadros
[not found] ` <1462191537-10314-10-git-send-email-rogerq-l0cyMroinI0@public.gmane.org>
2016-05-04 13:15 ` Rob Herring
2016-05-11 8:40 ` Peter Chen
2016-05-11 11:04 ` Roger Quadros
2016-05-02 12:18 ` [PATCH v7 10/14] usb: otg: add hcd companion support Roger Quadros
[not found] ` <1462191537-10314-11-git-send-email-rogerq-l0cyMroinI0@public.gmane.org>
2016-05-04 13:17 ` Rob Herring [this message]
2016-05-04 13:47 ` Roger Quadros
2016-05-11 13:54 ` Rob Herring
2016-05-11 14:13 ` Roger Quadros
[not found] ` <57333DFF.3090609-l0cyMroinI0@public.gmane.org>
2016-05-11 14:47 ` Alan Stern
[not found] ` <Pine.LNX.4.44L0.1605111043030.1882-100000-IYeN2dnnYyZXsRXLowluHWD2FQJk+8+b@public.gmane.org>
2016-05-12 4:00 ` Yoshihiro Shimoda
[not found] ` <SG2PR06MB09194AB523C3ABDB425285C7D8730-ESzmfEwOt/zNQ8RBPPB5A20DtJ1/0DrXvxpqHgZTriW3zl9H0oFU5g@public.gmane.org>
2016-05-12 8:34 ` Roger Quadros
[not found] ` <57343FFC.9090105-l0cyMroinI0@public.gmane.org>
2016-05-12 9:31 ` Roger Quadros
[not found] ` <57344D7B.3050005-l0cyMroinI0@public.gmane.org>
2016-05-12 10:31 ` Yoshihiro Shimoda
[not found] ` <SG2PR06MB091923EEBAA67EC1D1E48B6DD8730-ESzmfEwOt/zNQ8RBPPB5A20DtJ1/0DrXvxpqHgZTriW3zl9H0oFU5g@public.gmane.org>
2016-05-12 12:13 ` Roger Quadros
2016-05-16 2:13 ` Peter Chen
[not found] ` <20160516021350.GA24609-Fb7DQEYuewWctlrPMvKcciBecyulp+rMXqFh9Ls21Oc@public.gmane.org>
2016-05-16 8:01 ` Roger Quadros
[not found] ` <57397E57.8060903-l0cyMroinI0@public.gmane.org>
2016-05-16 8:13 ` Peter Chen
[not found] ` <20160516081326.GC24609-Fb7DQEYuewWctlrPMvKcciBecyulp+rMXqFh9Ls21Oc@public.gmane.org>
2016-05-16 8:35 ` Roger Quadros
2016-05-12 18:16 ` Alan Stern
2016-05-11 8:43 ` Peter Chen
2016-05-02 12:18 ` [PATCH v7 11/14] usb: otg: use dev_dbg() instead of VDBG() Roger Quadros
[not found] ` <1462191537-10314-12-git-send-email-rogerq-l0cyMroinI0@public.gmane.org>
2016-05-06 9:04 ` Peter Chen
[not found] ` <20160506090425.GD32359-Fb7DQEYuewWctlrPMvKcciBecyulp+rMXqFh9Ls21Oc@public.gmane.org>
2016-05-09 9:48 ` Roger Quadros
2016-05-11 8:43 ` Peter Chen
2016-05-02 12:18 ` [PATCH v7 13/14] usb: gadget: udc: adapt to OTG core Roger Quadros
2016-05-11 8:36 ` [PATCH v7 00/14] USB OTG/dual-role framework Peter Chen
[not found] ` <20160511083619.GF16910-Fb7DQEYuewWctlrPMvKcciBecyulp+rMXqFh9Ls21Oc@public.gmane.org>
2016-05-11 11:05 ` Roger Quadros
2016-05-02 12:18 ` [PATCH v7 12/14] usb: hcd: Adapt to OTG core Roger Quadros
[not found] ` <1462191537-10314-13-git-send-email-rogerq-l0cyMroinI0@public.gmane.org>
2016-05-11 8:57 ` Peter Chen
2016-05-02 12:18 ` [PATCH v7 14/14] usb: host: xhci-plat: Add otg device to platform data Roger Quadros
2016-05-11 9:00 ` Peter Chen
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