linux-kernel - Re: [PATCH v1 17/33] thermal/drivers/rcar: Switch to new of API

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Date:   Mon, 25 Jul 2022 12:00:30 +0200
From:   Daniel Lezcano <daniel.lezcano@...aro.org>
To:     Niklas Söderlund <niklas.soderlund@...natech.se>,
        Daniel Lezcano <daniel.lezcano@...exp.org>
Cc:     rafael@...nel.org, rui.zhang@...el.com, khilman@...libre.com,
        abailon@...libre.com, amitk@...nel.org,
        linux-kernel@...r.kernel.org, linux-pm@...r.kernel.org,
        "open list:RENESAS R-CAR THERMAL DRIVERS" 
        <linux-renesas-soc@...r.kernel.org>
Subject: Re: [PATCH v1 17/33] thermal/drivers/rcar: Switch to new of API


Hi Niklas,

On 25/07/2022 01:28, Niklas Söderlund wrote:
> Hi (again) Daniel,
> 
> I figured it out, the thermal zone is disabled after this change. For
> both rcar sensors with the new API thermal_zone_device_enable() is never
> called.
> 
> In the old API the zone is enabled in the call chain of
> devm_thermal_zone_of_sensor_register(). While after this change the zone
> is not enabled by the core when calling thermal_zone_device_enable().
> 
> If I add a call to thermal_zone_device_enable() together with the new
> API everything works as before. But I'm not sure if the correct solution
> is to add a call to thermal_zone_device_enable() in the sensor drivers
> or in the call chain of the new API?
> 
> On 2022-07-25 00:39:10 +0200, Niklas Söderlund wrote:
>> Hi Daniel,
>>
>> I tested your branch, unfortunately with the same result for
>> rcar_gen3_thermal. Manipulation of emul_temp file do not trigger
>> actions.

Thanks for investigating, I updated the branch. Does it fix the issue ?




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