Re: [PATCH v1 2/3] thermal: Drop redundant and confusing device_is_registered() checks

Daniel Lezcano
2023-12-12T10:27:08Z

On 08/12/2023 20:19, Rafael J. Wysocki wrote:
> From: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
>
> Multiple places in the thermal subsystem (most importantly, sysfs
> attribute callback functions) check if the given thermal zone device is
> still registered in order to return early in case the device_del() in
> thermal_zone_device_unregister() has run already.
>
> However, after thermal_zone_device_unregister() has been made wait for
> all of the zone-related activity to complete before returning, it is
> not necessary to do that any more, because all of the code holding a
> reference to the thermal zone device object will be waited for even if
> it does not do anything special to enforce this.
>
> Accordingly, drop all of the device_is_registered() checks that are now
> redundant and get rid of the zone locking that is not necessary any more
> after dropping them.
>
> Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
> ---

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

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