linux-kernel - Re: [PATCH 1/1] arm64: dts: rockchip: increase spi-max-frequency of nor flash for roc-rk3399-pc

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Date:   Wed, 23 Nov 2022 15:04:43 +0100
From:   Heiko Stuebner <heiko@...ech.de>
To:     Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Manoj Sai <abbaraju.manojsai@...rulasolutions.com>
Cc:     Robin Murphy <robin.murphy@....com>,
        Chris Morgan <macromorgan@...mail.com>,
        Markus Reichl <m.reichl@...etechno.de>,
        devicetree@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
        linux-rockchip@...ts.infradead.org, linux-kernel@...r.kernel.org,
        linux-amarula@...rulasolutions.com, Da Xue <da.xue@...retech.co>,
        dsx724 <da@...sconfused.com>,
        Jagan Teki <jagan@...rulasolutions.com>,
        Suniel Mahesh <sunil@...rulasolutions.com>,
        Manoj Sai <abbaraju.manojsai@...rulasolutions.com>
Subject: Re: [PATCH 1/1] arm64: dts: rockchip: increase spi-max-frequency of nor flash for roc-rk3399-pc

Hi Manoj,

Am Mittwoch, 23. November 2022, 10:48:27 CET schrieb Manoj Sai:
> Increase the spi-max-frequency of nor flash from 10Mhz to 30Mhz,this improves the
> flash raw write speed by 0.9 MB/s to 1.6MB/s and the time taken to write is
> get reduced from 36 seconds to 20 seconds.
> 
> Signed-off-by: Manoj Sai <abbaraju.manojsai@...rulasolutions.com>
> Signed-off-by: Da Xue <da.xue@...retech.co>
> Signed-off-by: dsx724 <da@...sconfused.com>

who are these other people? :-)

I.e. it looks like you're the author of the patch,
and so it should only have your Signed-off-by line.

If Da Xue and dsx724 have tested / reviewed the change, they
should respond individually to the posted patch with
either a "Reviewed-by: ..." or "Tested-by: ..." line.


Thanks
Heiko

> ---
>  arch/arm64/boot/dts/rockchip/rk3399-roc-pc.dtsi | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/arch/arm64/boot/dts/rockchip/rk3399-roc-pc.dtsi b/arch/arm64/boot/dts/rockchip/rk3399-roc-pc.dtsi
> index 2f4b1b2e3ac7..8fd808a0df85 100644
> --- a/arch/arm64/boot/dts/rockchip/rk3399-roc-pc.dtsi
> +++ b/arch/arm64/boot/dts/rockchip/rk3399-roc-pc.dtsi
> @@ -735,7 +735,7 @@ &spi1 {
>  	flash@0 {
>  		compatible = "jedec,spi-nor";
>  		reg = <0>;
> -		spi-max-frequency = <10000000>;
> +		spi-max-frequency = <30000000>;
>  	};
>  };
>  
>