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Date:   Fri, 24 Aug 2018 16:24:25 -0700
From:   Eduardo Valentin <edubezval@gmail.com>
To:     Amit Kucheria <amit.kucheria@linaro.org>
Cc:     linux-kernel@vger.kernel.org, rnayak@codeaurora.org,
        linux-arm-msm@vger.kernel.org, bjorn.andersson@linaro.org,
        smohanad@codeaurora.org, andy.gross@linaro.org,
        dianders@chromium.org, mka@chromium.org,
        Zhang Rui <rui.zhang@intel.com>,
        Rob Herring <robh+dt@kernel.org>,
        Mark Rutland <mark.rutland@arm.com>, linux-pm@vger.kernel.org,
        devicetree@vger.kernel.org
Subject: Re: [PATCH v1 02/10] dt-bindings: thermal: Fix a typo in
 documentation
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 <08b528ddc26adcb57539b1ac9d352850d7d80bfb.1533815718.git.amit.kucheria@linaro.org>
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On Thu, Aug 09, 2018 at 06:02:34PM +0530, Amit Kucheria wrote:
> c(1) + x(1) was actually meant to be c(1) * x(1).
> 
> While we're at it, add some brackets to make it nicer to read.
> 
> Signed-off-by: Amit Kucheria <amit.kucheria@linaro.org>
> ---
>  Documentation/devicetree/bindings/thermal/thermal.txt | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/Documentation/devicetree/bindings/thermal/thermal.txt b/Documentation/devicetree/bindings/thermal/thermal.txt
> index cc553f0952c5..751104213d08 100644
> --- a/Documentation/devicetree/bindings/thermal/thermal.txt
> +++ b/Documentation/devicetree/bindings/thermal/thermal.txt
> @@ -152,7 +152,7 @@ Optional property:
>    Elem size: one cell	the sensors listed in the thermal-sensors property.
>    Elem type: signed	Coefficients defaults to 1, in case this property
>  			is not specified. A simple linear polynomial is used:
> -			Z = c0 * x0 + c1 + x1 + ... + c(n-1) * x(n-1) + cn.
> +			Z = (c0 * x0) + (c1 * x1) + ... + (c(n-1) * x(n-1)) + cn.

To be honest, I would prefer if this looks like:
+			Z = c0 * x0 + c1 * x1 + ... + c(n-1) * x(n-1) + cn.

The extra bracketing seams unnecessary confusion

>  
>  			The coefficients are ordered and they match with sensors
>  			by means of sensor ID. Additional coefficients are
> -- 
> 2.17.1
>