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List: linux-arm-kernel
Subject: Re: [PATCH v6 2/5] dt-bindings: thermal: qcom-spmi-temp-alarm: Improve thermal zone in example
From: Rob Herring <robh () kernel ! org>
Date: 2018-07-31 19:20:36
Message-ID: 20180731192036.GA3770 () rob-hp-laptop
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On Tue, Jul 31, 2018 at 11:59:14AM -0700, Matthias Kaehlcke wrote:
> The current example for a thermal zone isn't very useful as reference
> since it would result in a hardware shutdown at 145=B0C, instead of
> allowing the system to try to shutdown gracefully. Without an ADC
> channel a maximum of two trip points is useful in practice for this
> sensor, with temperatures corresponding to the stage 1 and stage 2
> 'hardware trip points'. A critical trip point at stage 2 may allow the
> system to shutdown before a hardware shutdown at stage 3 kicks in. It
> should be noted though that by default the chip performs a 'partial
> shutdown' when the temperature reaches stage 2, which may prevent an
> orderly shutdown. The 'partial shutdown' can be disabled by software.
> =
> Signed-off-by: Matthias Kaehlcke <mka@chromium.org>
> Reviewed-by: Douglas Anderson <dianders@chromium.org>
> ---
> Changes in v6:
> - patch added to the series
> ---
> .../bindings/thermal/qcom-spmi-temp-alarm.txt | 11 +++--------
> 1 file changed, 3 insertions(+), 8 deletions(-)
Reviewed-by: Rob Herring <robh@kernel.org>
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