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Date:   Fri, 3 May 2019 16:58:09 -0700
From:   Matthias Kaehlcke <mka@...omium.org>
To:     Douglas Anderson <dianders@...omium.org>
Cc:     Heiko Stuebner <heiko@...ech.de>,
        linux-rockchip@...ts.infradead.org, briannorris@...omium.org,
        amstan@...omium.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org, Rob Herring <robh+dt@...nel.org>,
        Mark Rutland <mark.rutland@....com>,
        linux-arm-kernel@...ts.infradead.org
Subject: Re: [PATCH] ARM: dts: rockchip: Remove bogus 'i2s_clk_out' from
 rk3288-veyron-mickey

On Fri, May 03, 2019 at 04:48:14PM -0700, Douglas Anderson wrote:
> The rk3288-veyron-mickey device tree overrides the default "i2s" clock
> settings to add the clock for "i2s_clk_out".
> 
> That clock is only present in the bindings downstream Chrome OS 3.14
> tree.  Upstream the i2s port bindings doesn't specify that as a
> possible clock.
> 
> Let's remove it.
> 
> NOTE: for other rk3288-veyron devices this clock is consumed by
> 'maxim,max98090'.  Presumably if this clock is needed for mickey it'll
> need to be consumed by something similar.
> 
> Signed-off-by: Douglas Anderson <dianders@...omium.org>
> ---
> 
>  arch/arm/boot/dts/rk3288-veyron-mickey.dts | 2 --
>  1 file changed, 2 deletions(-)
> 
> diff --git a/arch/arm/boot/dts/rk3288-veyron-mickey.dts b/arch/arm/boot/dts/rk3288-veyron-mickey.dts
> index e852594417b5..f9c4ece3c0d3 100644
> --- a/arch/arm/boot/dts/rk3288-veyron-mickey.dts
> +++ b/arch/arm/boot/dts/rk3288-veyron-mickey.dts
> @@ -142,8 +142,6 @@
>  
>  &i2s {
>  	status = "okay";
> -	clock-names = "i2s_hclk", "i2s_clk", "i2s_clk_out";
> -	clocks = <&cru HCLK_I2S0>, <&cru SCLK_I2S0>, <&cru SCLK_I2S0_OUT>;
>  };
>  
>  &rk808 {

effectively, 'i2s_clk_out' is not use in the upstream kernel.

Reviewed-by: Matthias Kaehlcke <mka@...omium.org>

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