linux-kernel - Re: [PATCH v2 1/9] arm64: dts: rockchip: add eMMC's power domain support for rk3399

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Message-ID: <2342292.tK2jqRKrXH@phil>
Date:   Mon, 14 Nov 2016 15:45:20 +0100
From:   Heiko Stuebner <heiko@...ech.de>
To:     Caesar Wang <wxt@...k-chips.com>
Cc:     eddie.cai@...k-chips.com, tfiga@...omium.org,
        Ziyuan Xu <xzy.xu@...k-chips.com>,
        Elaine Zhang <zhangqing@...k-chips.com>,
        Douglas Anderson <dianders@...omium.org>,
        David Wu <david.wu@...k-chips.com>,
        Jianqun Xu <jay.xu@...k-chips.com>,
        Yakir Yang <ykk@...k-chips.com>,
        Brian Norris <briannorris@...omium.org>,
        linux-kernel@...r.kernel.org, linux-rockchip@...ts.infradead.org,
        devicetree@...r.kernel.org, Rob Herring <robh+dt@...nel.org>,
        Will Deacon <will.deacon@....com>,
        Mark Rutland <mark.rutland@....com>,
        Catalin Marinas <catalin.marinas@....com>,
        linux-arm-kernel@...ts.infradead.org
Subject: Re: [PATCH v2 1/9] arm64: dts: rockchip: add eMMC's power domain support for rk3399

Am Mittwoch, 9. November 2016, 21:21:53 CET schrieb Caesar Wang:
> From: Ziyuan Xu <xzy.xu@...k-chips.com>
> 
> Control power domain for eMMC via genpd to reduce power consumption.
> 
> Signed-off-by: Elaine Zhang <zhangqing@...k-chips.com>
> Signed-off-by: Ziyuan Xu <xzy.xu@...k-chips.com>
> Signed-off-by: Caesar Wang <wxt@...k-chips.com>

Authorship / Signed-off mismatch. From above suggest Ziyuan is the author 
while first Signed-off-by indicates Elaine as author. Please clarify.


Thanks
Heiko

> ---
> 
> Changes in v2:
> - Reviewed-on: https://chromium-review.googlesource.com/376558
> - Verified on ChromeOS kernel4.4
> 
>  arch/arm64/boot/dts/rockchip/rk3399.dtsi | 11 +++++++++++
>  1 file changed, 11 insertions(+)
> 
> diff --git a/arch/arm64/boot/dts/rockchip/rk3399.dtsi
> b/arch/arm64/boot/dts/rockchip/rk3399.dtsi index cbb7f8b..b401176 100644
> --- a/arch/arm64/boot/dts/rockchip/rk3399.dtsi
> +++ b/arch/arm64/boot/dts/rockchip/rk3399.dtsi
> @@ -269,6 +269,7 @@
>  		#clock-cells = <0>;
>  		phys = <&emmc_phy>;
>  		phy-names = "phy_arasan";
> +		power-domains = <&power RK3399_PD_EMMC>;
>  		status = "disabled";
>  	};
> 
> @@ -690,6 +691,11 @@
>  		status = "disabled";
>  	};
> 
> +	qos_emmc: qos@...58000 {
> +		compatible = "syscon";
> +		reg = <0x0 0xffa58000 0x0 0x20>;
> +	};
> +
>  	qos_gmac: qos@...5c000 {
>  		compatible = "syscon";
>  		reg = <0x0 0xffa5c000 0x0 0x20>;
> @@ -823,6 +829,11 @@
>  			};
> 
>  			/* These power domains are grouped by VD_LOGIC */
> +			pd_emmc@...399_PD_EMMC {
> +				reg = <RK3399_PD_EMMC>;
> +				clocks = <&cru ACLK_EMMC>;
> +				pm_qos = <&qos_emmc>;
> +			};
>  			pd_gmac@...399_PD_GMAC {
>  				reg = <RK3399_PD_GMAC>;
>  				clocks = <&cru ACLK_GMAC>;