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Subject: Re: [PATCH RESEND v10 03/11] thermal: Use generic HW-protection
 shutdown API
To:     Matti Vaittinen <matti.vaittinen@fi.rohmeurope.com>,
        Matti Vaittinen <mazziesaccount@gmail.com>
Cc:     Mark Brown <broonie@kernel.org>, Kees Cook <keescook@chromium.org>,
        Andy Shevchenko <andy.shevchenko@gmail.com>,
        Zhang Rui <rui.zhang@intel.com>,
        Guenter Roeck <linux@roeck-us.net>,
        "agross@kernel.org" <agross@kernel.org>,
        "devicetree@vger.kernel.org" <devicetree@vger.kernel.org>,
        linux-power <linux-power@fi.rohmeurope.com>,
        "linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
        "linux-renesas-soc@vger.kernel.org" 
        <linux-renesas-soc@vger.kernel.org>,
        "linux-arm-msm@vger.kernel.org" <linux-arm-msm@vger.kernel.org>,
        "bjorn.andersson@linaro.org" <bjorn.andersson@linaro.org>,
        "lgirdwood@gmail.com" <lgirdwood@gmail.com>,
        "robh+dt@kernel.org" <robh+dt@kernel.org>,
        Amit Kucheria <amitk@kernel.org>,
        Matteo Croce <mcroce@microsoft.com>,
        Andrew Morton <akpm@linux-foundation.org>,
        Petr Mladek <pmladek@suse.com>,
        "Rafael J. Wysocki" <rafael.j.wysocki@intel.com>,
        Mike Rapoport <rppt@kernel.org>,
        Josef Bacik <josef@toxicpanda.com>,
        Kai-Heng Feng <kai.heng.feng@canonical.com>,
        linux-pm@vger.kernel.org
References: <cover.1622628333.git.matti.vaittinen@fi.rohmeurope.com>
 <5531e89d9e710f5d10e7cdce3ee58957335b9e03.1622628333.git.matti.vaittinen@fi.rohmeurope.com>
From:   Daniel Lezcano <daniel.lezcano@linaro.org>
Message-ID: <1c33f42c-4986-b758-da53-631ac0b82c6f@linaro.org>
Date:   Thu, 17 Jun 2021 18:18:26 +0200
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On 03/06/2021 07:41, Matti Vaittinen wrote:
> The hardware shutdown function was exported from kernel/reboot for
> other subsystems to use. Logic is copied from the thermal_core. The
> protection mutex is replaced by an atomic_t to allow calls also from
> an IRQ context. Also the WARN() was replaced by pr_emerg() based on
> discussions here:
> https://lore.kernel.org/lkml/YJuPwAZroVZ%2Fw633@alley/
> and here:
> https://lore.kernel.org/linux-iommu/20210331093104.383705-4-geert+renesas@glider.be/
> 
> Use the exported API instead of implementing own just for the
> thermal_core.
> 
> Signed-off-by: Matti Vaittinen <matti.vaittinen@fi.rohmeurope.com>
> 

Acked-by: Daniel Lezcano <daniel.lezcano@linaro.org>


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