linux-kernel - Re: [PATCH 0/2] spi: meson: Add Amlogic GXBB compatible

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Date:   Thu, 08 Sep 2016 11:17:08 -0700
From:   Kevin Hilman <khilman@...libre.com>
To:     Andreas Färber <afaerber@...e.de>
Cc:     Neil Armstrong <narmstrong@...libre.com>,
        linux-kernel@...r.kernel.org, linux-spi@...r.kernel.org,
        broonie@...nel.org, carlo@...one.org,
        linux-amlogic@...ts.infradead.org,
        linux-arm-kernel@...ts.infradead.org,
        devicetree <devicetree@...r.kernel.org>,
        Rob Herring <robh@...nel.org>
Subject: Re: [PATCH 0/2] spi: meson: Add Amlogic GXBB compatible

Andreas Färber <afaerber@...e.de> writes:

> Am 08.09.2016 um 14:04 schrieb Andreas Färber:
>> Am 08.09.2016 um 09:53 schrieb Neil Armstrong:
>>> This patchset adds a specific compatible string in the Meson SPIFC driver for
>>> the Amlogic Meson GXBB SoC.
>> 
>> Any particular reason? We could just reuse the meson6 one since there
>> appear to be no code changes so far.
>
> So Neil is essentially telling me they don't know whether there are any
> differences in the IP block, so a separate compatible string was chosen.
>
> No objection from my side, but a general clarification from device tree
> maintainers when and when not to would be appreciated. (+ devicetree)

I'm not sure what the "right" way is (Rob?) but I think the usual way is
to add new compatibles when needed.

Kevin