linux-kernel - Re: [PATCH] firmware: meson-sm: use generic compatible

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Date:   Thu, 19 Oct 2017 12:25:30 +0200
From:   Kevin Hilman <khilman@...libre.com>
To:     Rob Herring <robh@...nel.org>
Cc:     Jerome Brunet <jbrunet@...libre.com>,
        Carlo Caione <carlo@...one.org>, devicetree@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org,
        linux-amlogic@...ts.infradead.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] firmware: meson-sm: use generic compatible

Rob Herring <robh@...nel.org> writes:

> On Thu, Oct 12, 2017 at 03:47:43PM +0200, Jerome Brunet wrote:
>> The meson secure monitor seems to be compatible with more SoCs than
>> initially thought. Let's use the most generic compatible he have in
>> DT instead of the gxbb specific one
>> 
>> Signed-off-by: Jerome Brunet <jbrunet@...libre.com>
>> ---
>>  Documentation/devicetree/bindings/firmware/meson/meson_sm.txt | 4 ++--
>>  drivers/firmware/meson/meson_sm.c                             | 4 ++--
>>  2 files changed, 4 insertions(+), 4 deletions(-)
>
> Seems like a pointless, not backwards compatible change to me.

I've verified that it's backwards compatible with existing upstream DTs.

> end, it's just a string to match on. Who cares what the string is.

As platform maintiner, I very much care what the strings are and I want
it to be coherent with the platform generic names, and I want the
SoC-specific strings to correspond to the actual SoC names.

Kevin