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Date:   Wed, 5 Sep 2018 09:14:35 +0200
From:   Maxime Ripard <maxime.ripard@bootlin.com>
To:     Icenowy Zheng <icenowy@aosc.io>
Cc:     Chen-Yu Tsai <wens@csie.org>,
        Jernej Skrabec <jernej.skrabec@siol.net>,
        dri-devel@lists.freedesktop.org, devicetree@vger.kernel.org,
        linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org,
        linux-sunxi@googlegroups.com
Subject: Re: [PATCH 1/3] dt-bindings: change the A64 HDMI PHY binding to R40
Message-ID: <20180905071435.lgsogpzmh5nw6bcy@flea>
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 <20180903133434.58188-2-icenowy@aosc.io>
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On Mon, Sep 03, 2018 at 09:34:32PM +0800, Icenowy Zheng wrote:
> By experiment, the A64 HDMi PHY doesn't support the PLL-VIDEO mux
> introduced in R40, although it has two PLL-VIDEOs.
>=20
> Change the A64 HDMI PHY binding to R40 one.
>=20
> This binding is introduced in v4.19, which is still in RC stage, so we
> have change to fix it.
>=20
> Signed-off-by: Icenowy Zheng <icenowy@aosc.io>

That doesn't make much sense. The A64 doesn't have any particular
reason to behave like the R40, and the R40 can definitely use a
different compatible if it has a different behaviour. But I don't see
*why* the A64 not behaving like the R40 is a justification to remove
the A64 compatible. Especially when the R40 was released later.

Add a new compatible, and leave the A64 compatible alone.

Maxime

--=20
Maxime Ripard, Bootlin
Embedded Linux and Kernel engineering
https://bootlin.com

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