linux-kernel - Re: [PATCH] gpio: gpio-rcar: init at postcore level

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Message-ID: <530A477C.6070007@codethink.co.uk>
Date:	Sun, 23 Feb 2014 19:09:48 +0000
From:	Ben Dooks <ben.dooks@...ethink.co.uk>
To:	vladimir.barinov@...entembedded.com
CC:	linux-sh@...r.kernel.org, linus.walleij@...aro.org,
	linux-gpio@...r.kernel.org, magnus.damm@...il.com,
	horms@...ge.net.au, gnurou@...il.com, linux-kernel@...r.kernel.org,
	kuninori.morimoto.gx@...esas.com
Subject: Re: [PATCH] gpio: gpio-rcar: init at postcore level

On 23/02/14 16:37, vladimir.barinov@...entembedded.com wrote:
> From: Vladimir Barinov <vladimir.barinov@...entembedded.com>
>
> This adds ability to use gpio API at board init_machine level.
>
> F.e. it can be used in the following situation.
> Many reference hardware has onboard switches that selects which periferals
> to connect to the system. The gpio input state from switches can be used
> in choosing platform devices runtime in board code instead of ifdefs/defconfig
> changes.

Firstly, anyone still using platform_devices to describe their
system needs to be stopped. We cannot go on supporting this when
our primary boot method is supposed to be device-tree. If we keep
doing this then we will not get any of the current issues fixed.

Will it impact the devicetree bindings on rcar?


-- 
Ben Dooks				http://www.codethink.co.uk/
Senior Engineer				Codethink - Providing Genius
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