From: Rob Herring <robh@kernel.org>
To: Matthias Kaehlcke <mka@chromium.org>
Cc: Andy Gross <andy.gross@linaro.org>,
David Brown <david.brown@linaro.org>,
Mark Rutland <mark.rutland@arm.com>,
Catalin Marinas <catalin.marinas@arm.com>,
Will Deacon <will.deacon@arm.com>,
Zhang Rui <rui.zhang@intel.com>,
Eduardo Valentin <edubezval@gmail.com>,
linux-soc@vger.kernel.org, linux-arm-msm@vger.kernel.org,
linux-arm-kernel@lists.infradead.org,
linux-kernel@vger.kernel.org, devicetree@vger.kernel.org,
linux-pm@vger.kernel.org, David Collins <collinsd@codeaurora.org>,
Douglas Anderson <dianders@chromium.org>,
Stephen Boyd <sboyd@kernel.org>
Subject: Re: [PATCH v6 2/5] dt-bindings: thermal: qcom-spmi-temp-alarm: Improve thermal zone in example
Date: Tue, 31 Jul 2018 13:20:36 -0600 [thread overview]
Message-ID: <20180731192036.GA3770@rob-hp-laptop> (raw)
In-Reply-To: <20180731185917.176074-2-mka@chromium.org>
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°C, 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>
next prev parent reply other threads:[~2018-07-31 19:20 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-07-31 18:59 [PATCH v6 1/5] dt-bindings: thermal: qcom-spmi-temp-alarm: Fix documentation of 'reg' Matthias Kaehlcke
2018-07-31 18:59 ` [PATCH v6 2/5] dt-bindings: thermal: qcom-spmi-temp-alarm: Improve thermal zone in example Matthias Kaehlcke
2018-07-31 19:20 ` Rob Herring [this message]
2018-07-31 18:59 ` [PATCH v6 3/5] thermal: qcom-spmi: Use PMIC thermal stage 2 for critical trip points Matthias Kaehlcke
2018-08-09 21:28 ` Doug Anderson
2018-07-31 18:59 ` [PATCH v6 4/5] arm64: dts: qcom: pm8998: Add spmi-temp-alarm node Matthias Kaehlcke
2018-07-31 18:59 ` [PATCH v6 5/5] arm64: dts: qcom: pm8998: Add pm8998 thermal zone Matthias Kaehlcke
2018-07-31 19:18 ` [PATCH v6 1/5] dt-bindings: thermal: qcom-spmi-temp-alarm: Fix documentation of 'reg' Rob Herring
2018-08-24 23:11 ` Eduardo Valentin
-- strict thread matches above, loose matches on Subject: below --
2018-07-31 18:45 Matthias Kaehlcke
2018-07-31 18:45 ` [PATCH v6 2/5] dt-bindings: thermal: qcom-spmi-temp-alarm: Improve thermal zone in example Matthias Kaehlcke
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