Re: [PATCH v7 16/20] arm64: tegra: Enable wake from deep sleep on RTC alarm

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31.07.2019 3:20, Sowjanya Komatineni пишет:
> This patch updates device tree for RTC and PMC to allow system wake
> from deep sleep on RTC alarm.
> 
> Signed-off-by: Sowjanya Komatineni <skomatineni@xxxxxxxxxx>
> ---
>  arch/arm64/boot/dts/nvidia/tegra210.dtsi | 5 ++++-
>  1 file changed, 4 insertions(+), 1 deletion(-)
> 
> diff --git a/arch/arm64/boot/dts/nvidia/tegra210.dtsi b/arch/arm64/boot/dts/nvidia/tegra210.dtsi
> index 659753118e96..30a7c48385a2 100644
> --- a/arch/arm64/boot/dts/nvidia/tegra210.dtsi
> +++ b/arch/arm64/boot/dts/nvidia/tegra210.dtsi
> @@ -768,7 +768,8 @@
>  	rtc@7000e000 {
>  		compatible = "nvidia,tegra210-rtc", "nvidia,tegra20-rtc";
>  		reg = <0x0 0x7000e000 0x0 0x100>;
> -		interrupts = <GIC_SPI 2 IRQ_TYPE_LEVEL_HIGH>;
> +		interrupts = <16 IRQ_TYPE_LEVEL_HIGH>;
> +		interrupt-parent = <&pmc>;
>  		clocks = <&tegra_car TEGRA210_CLK_RTC>;
>  		clock-names = "rtc";
>  	};
> @@ -778,6 +779,8 @@
>  		reg = <0x0 0x7000e400 0x0 0x400>;
>  		clocks = <&tegra_car TEGRA210_CLK_PCLK>, <&clk32k_in>;
>  		clock-names = "pclk", "clk32k_in";
> +		#interrupt-cells = <2>;
> +		interrupt-controller;
>  
>  		powergates {
>  			pd_audio: aud {
> 

Is this a backwards-compatible change? Or it's not really worth to care
about the compatibility with older kernel versions, I'm not sure about
overall state of T210 in the upstream kernel.



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