linux-kernel - Re: [PATCH] arm64: dts: rockchip: rk3399: Add xin32k clk

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Message-ID: <CAD=FV=W7sYY5n609erPpTxux+0Efad_0YpPkoVZB14Kqm=baXA@mail.gmail.com>
Date:   Fri, 16 Nov 2018 08:00:56 -0800
From:   Doug Anderson <dianders@...omium.org>
To:     Derek Basehore <dbasehore@...omium.org>
Cc:     LKML <linux-kernel@...r.kernel.org>,
        "open list:ARM/Rockchip SoC..." <linux-rockchip@...ts.infradead.org>,
        Linux ARM <linux-arm-kernel@...ts.infradead.org>,
        devicetree@...r.kernel.org, Tony Xie <tony.xie@...k-chips.com>,
        Chris <zyw@...k-chips.com>, ayaka@...lik.info,
        "nickey.yang" <nickey.yang@...k-chips.com>,
        郑舜乾 <zhengsq@...k-chips.com>,
        Klaus Goger <klaus.goger@...obroma-systems.com>,
        Brian Norris <briannorris@...omium.org>,
        Enric Balletbo i Serra <enric.balletbo@...labora.com>,
        Heiko Stübner <heiko@...ech.de>,
        Mark Rutland <mark.rutland@....com>,
        Rob Herring <robh+dt@...nel.org>
Subject: Re: [PATCH] arm64: dts: rockchip: rk3399: Add xin32k clk

Hi,

On Thu, Nov 15, 2018 at 9:17 PM Derek Basehore <dbasehore@...omium.org> wrote:
>
> This adds the xin32k clock to the RK3399 CPU. Even though it's not
> directly used, muxes will end up traversing the entire clk tree on
> calls to determine_rate if it doesn't exist.
>
> Signed-off-by: Derek Basehore <dbasehore@...omium.org>
> ---
>  arch/arm64/boot/dts/rockchip/rk3399.dtsi | 7 +++++++
>  1 file changed, 7 insertions(+)

nit: I would have expected ${SUBJECT} to have v2 in it somewhere.


> diff --git a/arch/arm64/boot/dts/rockchip/rk3399.dtsi b/arch/arm64/boot/dts/rockchip/rk3399.dtsi
> index 99e7f65c1779..3d09472978f8 100644
> --- a/arch/arm64/boot/dts/rockchip/rk3399.dtsi
> +++ b/arch/arm64/boot/dts/rockchip/rk3399.dtsi

Aww crud.  I was at the airport yesterday and so I didn't notice that
you were touching rk3399, not rk3399-gru.  This belongs in the gru
device tree file, not in the top level rk3399.  As you have written
this it will break rk3399 boards that have an rk808 on them, AKA:

arch/arm64/boot/dts/rockchip/rk3399-ficus.dts:
arch/arm64/boot/dts/rockchip/rk3399-firefly.dts:
arch/arm64/boot/dts/rockchip/rk3399-puma.dtsi:
arch/arm64/boot/dts/rockchip/rk3399-sapphire.dtsi:

-Doug