[PATCH] ARM: at91/Documentation: add a README for Atmel SoCs

[Nicolas Ferre]

Le 13/01/2015 03:03, Olof Johansson a écrit :
> On Fri, Jan 09, 2015 at 02:20:31PM +0100, Nicolas Ferre wrote:
>> Add a README file to describe Atmel SoCs (aka AT91) support in Mainline Linux:
>> - SoC list + datasheet web links
>> - Basic but useful information
>> - Device Tree conventions and Work In Progress statement.
>>
>> Signed-off-by: Nicolas Ferre <nicolas.ferre at atmel.com>
>> Cc: ARM Maintainers <arm at kernel.org>
> 
> Acked-by: Olof Johansson <olof at lixom.net>
> 
> With the understanding that:
> 
>> +Device Tree for AT91 SoCs and boards
>> +------------------------------------
>> +All AT91 SoCs are converted to Device Tree. Since Linux 3.19, these products
>> +must use this method to boot the Linux kernel.
>> +
>> +Work In Progress statement:
>> +Device Tree files and Device Tree bindings that apply to AT91 SoCs and boards are
>> +considered as "Unstable". To be completely clear, any at91 binding can change at
>> +any time. So, be sure to use a Device Tree Binary and a Kernel Image generated from
>> +the same source tree.
>> +Please refer to the Documentation/devicetree/bindings/ABI.txt file for a
>> +definition of a "Stable" binding/ABI.
>> +This statement will be removed by AT91 MAINTAINERS when appropriated.
> 
> While this statement is here, at the end of the day if you break a user
> you're responsible for fixing them. I.e. if a tree falls in the forest
> and nobody notices, then so be it.
> 
> But you can't break existing users and point to this and get away with
> it. However, hopefully based on this doc users will go with practices
> that means that you can revise bindings if you have to.

Yes, that was the intention.

Thanks, bye,
-- 
Nicolas Ferre