linux-kernel - RE: [PATCH] dt-bindings: thermal: Make cooling-maps property optional

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Message-ID: <VI1PR04MB43335AE882F7898F4DDD1A23F3150@VI1PR04MB4333.eurprd04.prod.outlook.com>
Date:   Tue, 4 Jun 2019 05:56:02 +0000
From:   Andy Tang <andy.tang@....com>
To:     Andy Tang <andy.tang@....com>,
        "rui.zhang@...el.com" <rui.zhang@...el.com>,
        "edubezval@...il.com" <edubezval@...il.com>
CC:     "robh+dt@...nel.org" <robh+dt@...nel.org>,
        "daniel.lezcano@...aro.org" <daniel.lezcano@...aro.org>,
        "mark.rutland@....com" <mark.rutland@....com>,
        "linux-pm@...r.kernel.org" <linux-pm@...r.kernel.org>,
        "devicetree@...r.kernel.org" <devicetree@...r.kernel.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: RE: [PATCH] dt-bindings: thermal: Make cooling-maps property optional

Hi Edubezval, Rui,

Any further comments?

BR,
Andy

> -----Original Message-----
> From: Yuantian Tang <andy.tang@....com>
> Sent: 2019年5月15日 17:37
> To: rui.zhang@...el.com; edubezval@...il.com
> Cc: robh+dt@...nel.org; daniel.lezcano@...aro.org; mark.rutland@....com;
> linux-pm@...r.kernel.org; devicetree@...r.kernel.org;
> linux-kernel@...r.kernel.org; Andy Tang <andy.tang@....com>
> Subject: [PATCH] dt-bindings: thermal: Make cooling-maps property optional
> 
> There may be no cooling device on system, or there are no enough cooling
> devices for each thermal zone in multiple thermal zone cases since cooling
> devices can't be shared.
> So make this property optional to remove such limitations.
> 
> Signed-off-by: Yuantian Tang <andy.tang@....com>
> ---
>  .../devicetree/bindings/thermal/thermal.txt        |    4 ++--
>  1 files changed, 2 insertions(+), 2 deletions(-)
> 
> diff --git a/Documentation/devicetree/bindings/thermal/thermal.txt
> b/Documentation/devicetree/bindings/thermal/thermal.txt
> index ca14ba9..694e834 100644
> --- a/Documentation/devicetree/bindings/thermal/thermal.txt
> +++ b/Documentation/devicetree/bindings/thermal/thermal.txt
> @@ -142,11 +142,11 @@ Required properties:
>  - trips:		A sub-node which is a container of only trip point nodes
>    Type: sub-node	required to describe the thermal zone.
> 
> +
> +Optional property:
>  - cooling-maps:		A sub-node which is a container of only cooling device
>    Type: sub-node	map nodes, used to describe the relation between
> trips
>  			and cooling devices.
> -
> -Optional property:
>  - coefficients:		An array of integers (one signed cell) containing
>    Type: array		coefficients to compose a linear relation between
>    Elem size: one cell	the sensors listed in the thermal-sensors property.
> --
> 1.7.1