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Message-ID: <CAMz4kuKtof=wret_JJVaxe3uXjtaSeCFWn8V6y2wzTjjmrQVLQ@mail.gmail.com>
Date: Tue, 21 Jun 2016 20:05:36 +0800
From: Baolin Wang <baolin.wang@...aro.org>
To: Felipe Balbi <balbi@...nel.org>
Cc: Greg KH <gregkh@...uxfoundation.org>,
Sebastian Reichel <sre@...nel.org>,
Dmitry Eremin-Solenikov <dbaryshkov@...il.com>,
David Woodhouse <dwmw2@...radead.org>, robh@...nel.org,
Jun Li <jun.li@....com>,
Marek Szyprowski <m.szyprowski@...sung.com>,
Ruslan Bilovol <ruslan.bilovol@...il.com>,
Peter Chen <peter.chen@...escale.com>,
Alan Stern <stern@...land.harvard.edu>, r.baldyga@...sung.com,
grygorii.strashko@...com,
Yoshihiro Shimoda <yoshihiro.shimoda.uh@...esas.com>,
Lee Jones <lee.jones@...aro.org>,
Mark Brown <broonie@...nel.org>,
Charles Keepax <ckeepax@...nsource.wolfsonmicro.com>,
patches@...nsource.wolfsonmicro.com,
Linux PM list <linux-pm@...r.kernel.org>,
USB <linux-usb@...r.kernel.org>,
device-mainlining@...ts.linuxfoundation.org,
LKML <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH v12 2/4] gadget: Support for the usb charger framework
On 21 June 2016 at 19:49, Felipe Balbi <balbi@...nel.org> wrote:
>
> Hi,
>
> Baolin Wang <baolin.wang@...aro.org> writes:
>>> Can't you just tie a charger to a UDC and avoid the charger class
>>> completely?
>>
>> Yeah, I also hope so. But we really want something to manage the
>> charger devices, do you have any good suggestion to avoid the 'class'
>> but also can manage the charger devices?
>
> manage in what way? It seems to me that they don't need to be real
> devices, just a handle as part of struct usb_gadget, no?
Although charger device is not one real hardware device, we also use
one 'struct device' to describe it in charger.c file. So we should
manage the 'struct device' with one proper way.
--
Baolin.wang
Best Regards
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