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Message-ID: <e1c0721e-7a73-aee6-9fe2-9cab8f353a49@kapsi.fi>
Date:   Fri, 31 Mar 2023 10:12:39 +0300
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Subject: Re: [PATCH v2] thermal: tegra-bpmp: Handle offline zones
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To:     Daniel Lezcano <daniel.lezcano@linaro.org>,
        "Rafael J. Wysocki" <rafael@kernel.org>,
        Amit Kucheria <amitk@kernel.org>,
        Zhang Rui <rui.zhang@intel.com>,
        Thierry Reding <thierry.reding@gmail.com>,
        Jonathan Hunter <jonathanh@nvidia.com>
Cc:     Mikko Perttunen <mperttunen@nvidia.com>, linux-pm@vger.kernel.org,
        linux-tegra@vger.kernel.org, linux-kernel@vger.kernel.org
References: <20230330094904.2589428-1-cyndis@kapsi.fi>
 <f0d51904-d363-cb76-cd6f-f1ebefd0aa5a@linaro.org>
From:   Mikko Perttunen <cyndis@kapsi.fi>
In-Reply-To: <f0d51904-d363-cb76-cd6f-f1ebefd0aa5a@linaro.org>
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On 3/31/23 00:14, Daniel Lezcano wrote:
> On 30/03/2023 11:49, Mikko Perttunen wrote:
>> From: Mikko Perttunen <mperttunen@nvidia.com>
>>
>> Thermal zones located in power domains may not be accessible when
>> the domain is powergated. In this situation, reading the temperature
>> will return -BPMP_EFAULT. When evaluating trips, BPMP will internally
>> use -256C as the temperature for offline zones.
>>
>> For smooth operation, for offline zones, return -EAGAIN when reading
>> the temperature and allow registration of zones even if they are
>> offline during probe.
>>
>> Signed-off-by: Mikko Perttunen <mperttunen@nvidia.com>
> 
> Applied, thanks
> 

Thank you!
Mikko