From: Daniel Lezcano <daniel.lezcano@linaro.org>
To: Guenter Roeck <linux@roeck-us.net>
Cc: linux-pm@vger.kernel.org, linux-kernel@vger.kernel.org,
Amit Kucheria <amitk@kernel.org>, Zhang Rui <rui.zhang@intel.com>,
rafael@kernel.org
Subject: Re: [PATCH v1 07/17] thermal/hwmon: Use the thermal API instead tampering the internals
Date: Mon, 20 Feb 2023 16:39:48 +0100 [thread overview]
Message-ID: <1c8efdae-1ef4-ab45-d891-72010d8a4343@linaro.org> (raw)
In-Reply-To: <20230220141154.GB4009286@roeck-us.net>
On 20/02/2023 15:11, Guenter Roeck wrote:
> On Mon, Feb 20, 2023 at 02:34:08PM +0100, Daniel Lezcano wrote:
>> Hi Guenter,
>>
>> my script should have Cc'ed you but it didn't, so just a heads up this patch
>> ;)
>>
>> On 19/02/2023 15:36, Daniel Lezcano wrote:
>>> In this function, there is a guarantee the thermal zone is registered.
>>>
>>> The sysfs hwmon unregistering will be blocked until we exit the
>>> function. The thermal zone is unregistered after the sysfs hwmon is
>>> unregistered.
>>>
>>> When we are in this function, the thermal zone is registered.
>>>
>>> We can call the thermal_zone_get_crit_temp() function safely and let
>>> the function use the lock which is private the thermal core code.
>>>
>
> Hmm, if you say so. That very same call used to cause a crash in
> Chromebooks, which is why I had added the locking.
Mmh, I see. I guess we can assume thermal_hwmon is part of the core code
and remove this change.
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next prev parent reply other threads:[~2023-02-20 15:39 UTC|newest]
Thread overview: 65+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-02-19 14:36 [PATCH v1 00/17] Self-encapsulate the thermal zone device structure Daniel Lezcano
2023-02-19 14:36 ` [PATCH v1 01/17] thermal/core: Add a thermal zone 'devdata' accessor Daniel Lezcano
2023-02-19 14:36 ` Daniel Lezcano
2023-02-19 14:56 ` Guenter Roeck
2023-02-19 15:07 ` Niklas Söderlund
2023-02-19 17:07 ` Daniel Lezcano
2023-02-19 18:23 ` Niklas Söderlund
2023-02-19 16:23 ` kernel test robot
2023-02-19 22:34 ` Mark Brown
2023-02-20 8:20 ` Ido Schimmel
2023-02-20 9:09 ` AngeloGioacchino Del Regno
2023-02-20 10:34 ` Balsam CHIHI
2023-02-20 10:37 ` Greenman, Gregory
2023-02-20 11:03 ` DLG Adam Ward
2023-02-20 12:18 ` Geert Uytterhoeven
2023-02-20 14:48 ` DLG Adam Ward
2023-02-20 11:13 ` Baolin Wang
2023-02-20 13:23 ` Sebastian Reichel
2023-02-25 17:03 ` Jonathan Cameron
2023-02-19 14:36 ` [PATCH v1 02/17] thermal/core: Show a debug message when get_temp() fails Daniel Lezcano
2023-02-19 14:36 ` [PATCH v1 03/17] thermal: Remove debug or error messages in get_temp() ops Daniel Lezcano
2023-02-19 14:36 ` Daniel Lezcano
2023-02-19 14:36 ` Daniel Lezcano
2023-02-20 8:58 ` Miquel Raynal
2023-02-20 8:58 ` Miquel Raynal
2023-02-20 8:58 ` Miquel Raynal
2023-02-19 14:36 ` [PATCH v1 04/17] thermal/hwmon: Do not set no_hwmon before calling thermal_add_hwmon_sysfs() Daniel Lezcano
2023-02-19 14:36 ` Daniel Lezcano
2023-02-19 14:36 ` Daniel Lezcano
2023-02-19 15:08 ` Niklas Söderlund
2023-02-19 15:08 ` Niklas Söderlund
2023-02-19 15:08 ` Niklas Söderlund
2023-02-19 14:36 ` [PATCH v1 05/17] thermal/hwmon: Use the right device for devm_thermal_add_hwmon_sysfs() Daniel Lezcano
2023-02-19 14:36 ` Daniel Lezcano
2023-02-19 14:36 ` Daniel Lezcano
2023-02-19 17:26 ` Martin Blumenstingl
2023-02-19 17:26 ` Martin Blumenstingl
2023-02-19 17:26 ` Martin Blumenstingl
2023-02-19 14:36 ` [PATCH v1 06/17] thermal: Don't use 'device' internal thermal zone structure field Daniel Lezcano
2023-02-19 14:36 ` Daniel Lezcano
2023-02-20 10:50 ` Balsam CHIHI
2023-02-20 10:50 ` Balsam CHIHI
2023-02-19 14:36 ` [PATCH v1 07/17] thermal/hwmon: Use the thermal API instead tampering the internals Daniel Lezcano
2023-02-20 13:34 ` Daniel Lezcano
2023-02-20 14:11 ` Guenter Roeck
2023-02-20 15:39 ` Daniel Lezcano [this message]
2023-02-20 17:12 ` Guenter Roeck
2023-02-21 16:08 ` Daniel Lezcano
2023-02-19 14:36 ` [PATCH v1 08/17] thermal/drivers/spear: Don't use tz->device but pdev->dev Daniel Lezcano
2023-02-19 14:36 ` [PATCH v1 09/17] thermal: Add a thermal zone id accessor Daniel Lezcano
2023-02-19 14:55 ` Guenter Roeck
2023-02-19 17:15 ` kernel test robot
2023-02-19 14:36 ` [PATCH v1 10/17] thermal: Do not access 'type' field, use the tz id instead Daniel Lezcano
2023-02-19 14:36 ` Daniel Lezcano
2023-02-20 8:22 ` Ido Schimmel
2023-02-20 8:22 ` Ido Schimmel
2023-02-19 14:36 ` [PATCH v1 11/17] thermal/drivers/da9062: Don't access the thermal zone device fields Daniel Lezcano
2023-02-19 14:36 ` [PATCH v1 12/17] thermal/hwmon: Use the thermal_core.h header Daniel Lezcano
2023-02-19 14:36 ` [PATCH v1 13/17] thermal/drivers/tegra: Remove unneeded lock when setting a trip point Daniel Lezcano
2023-02-19 14:36 ` [PATCH v1 14/17] thermal/tegra: Do not enable the thermal zone, it is already enabled Daniel Lezcano
2023-02-19 14:36 ` [PATCH v1 15/17] thermal/drivers/acerhdf: Make interval setting only at module load time Daniel Lezcano
2023-02-19 14:36 ` [PATCH v1 16/17] thermal/drivers/acerhdf: Remove pointless governor test Daniel Lezcano
2023-02-19 14:36 ` [PATCH v1 17/17] thermal/traces: Replace the thermal zone structure parameter with the field value Daniel Lezcano
2023-02-19 21:35 ` [PATCH v1 16/17] thermal/drivers/acerhdf: Remove pointless governor test Peter Kästle
2023-02-19 21:38 ` [PATCH v1 15/17] thermal/drivers/acerhdf: Make interval setting only at module load time Peter Kästle
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