Rafael J. Wysocki 3669716401
thermal: core: Add sanity checks for polling_delay and passive_delay ...
If polling_delay is nonzero and passive_delay is greater than
polling_delay, the thermal zone temperature will be updated less
often when tz->passive is nonzero, which is not as expected. Make
the thermal zone registration fail with -EINVAL in that case as
this is a clear thermal zone configuration mistake.
If polling_delay is nonzero and passive_delay is 0, which is regarded
as a valid thermal zone configuration, the thermal zone will use polling
except when tz->passive is nonzero. However, the expected behavior in
that case is to continue temperature polling with the same delay value
regardless of tz->passive, so set passive_delay to the polling_delay
value then.
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com >
Reviewed-by: Daniel Lezcano <daniel.lezcano@linaro.org >
Link: https://patch.msgid.link/5802156.DvuYhMxLoT@rjwysocki.net
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3669716401