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Date:   Mon, 23 Mar 2020 13:56:38 -0600
From:   Rob Herring <robh@kernel.org>
To:     andy.tang@nxp.com
Cc:     daniel.lezcano@linaro.org, edubezval@gmail.com,
        rui.zhang@intel.com, linux-pm@vger.kernel.org,
        devicetree@vger.kernel.org, linux-kernel@vger.kernel.org,
        Yuantian Tang <andy.tang@nxp.com>
Subject: Re: [PATCH] dt-bindings: thermal: make cooling-maps property optional
Message-ID: <20200323195638.GA8059@bogus>
References: <20200309045411.21859-1-andy.tang@nxp.com>
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On Mon,  9 Mar 2020 12:54:11 +0800, andy.tang@nxp.com wrote:
> From: Yuantian Tang <andy.tang@nxp.com>
> 
> Cooling-maps doesn't have to be a required property because 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.
> 
> For thermal zones with no cooling-maps, there could be critic trips
> that can trigger CPU reset or shutdown. So they still can take actions.
> 
> Signed-off-by: Yuantian Tang <andy.tang@nxp.com>
> ---
>  Documentation/devicetree/bindings/thermal/thermal.txt | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 

Acked-by: Rob Herring <robh@kernel.org>