linux-kernel - Re: [PATCH v2 00/16] ARM: support for ICP DAS LP-8x4x (with dts)

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Date:	Thu, 19 Dec 2013 00:56:33 +0400
From:	Sergei Ianovich <ynvich@...il.com>
To:	Arnd Bergmann <arnd@...db.de>
Cc:	linux-kernel@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
	Daniel Mack <zonque@...il.com>,
	Haojian Zhuang <haojian.zhuang@...il.com>
Subject: Re: [PATCH v2 00/16] ARM: support for ICP DAS LP-8x4x (with dts)

On Wed, 2013-12-18 at 21:50 +0100, Arnd Bergmann wrote:
> > This is a platform-specific bus (PXA27x). Should it go into pxa27x.dtsi
> > rather than machine dts?
> 
> Yes, that was the idea.

Great.

> > There seems to be none at the moment. However, some machines need to
> > setup these partitions as a part of their initialization. So complete
> > migration to DT will require this driver.
> > 
> > In LP-8x4x case everything is setup by the bootloader. So "simple-bus"
> > works for me.
> 
> Hmm, this is a bit tricky then. I think it would be best to not
> use "simple-bus" then, to allow migrating the other platforms later,
> but that will be a little more work. Maybe you can register a trivial
> driver in the platform code that only calls of_platform_populate on
> the device for now?

Could we postpone this until someone needs this functionality?


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