linux-kernel - Re: Re[8]: [PATCH v3] mfd: syscon: Add non-DT support

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Message-ID: <CAP1dx+xj3+PVu98pRBAOhLxvOzhwE7VNShMLmqk-jy_CgXh8GA@mail.gmail.com>
Date:	Wed, 20 Feb 2013 19:05:59 +0800
From:	Dong Aisheng <dong.aisheng@...aro.org>
To:	Arnd Bergmann <arnd@...db.de>
Cc:	Alexander Shiyan <shc_work@...l.ru>, linux-kernel@...r.kernel.org,
	Samuel Ortiz <sameo@...ux.intel.com>,
	Mark Brown <broonie@...nsource.wolfsonmicro.com>
Subject: Re: Re[8]: [PATCH v3] mfd: syscon: Add non-DT support

On 20 February 2013 18:06, Arnd Bergmann <arnd@...db.de> wrote:
> On Wednesday 20 February 2013, Alexander Shiyan wrote:
>> On 20 February 2013 13:41, Alexander Shiyan <shc_work@...l.ru> wrote:
>> >
>> > One problem is that every user needs to add their syscon compatible device
>> > support(platform_device_id) in syscon driver first before they can use it.
>> > But it looks to me just like how other driver generally does.
>>
>> I agree, this is a more proper way, but in this case we should create a big table
>> here with records for each device...
>>
>> > Arnd,
>> > Do you think this is an issue?
>
> I would first like to get an answer to the question I asked in my first mail,
> which is what the use case of non-DT support in this driver is. If this
> is used only by a new platform that has to use DT anyway, or by an existing
> platform that is easy enough to convert, we probably shouldn't do all this
> at all.
>

If the platform can convert to dt, then we do not have such issue.
The question is do we allow the existing non-dt platforms to use it
before converting?

Regards
Dong Aisheng
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