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da781936e7
IPA probe function was recently refactored to perform extra error checks
and make sure the thermal zone has trip points necessary for the IPA
operation. With this change, if a thermal zone is probed such that it
has no trip points that IPA can use, IPA will fail and the TZ won't be
created. This is the case if a platform defines a TZ without cooling
devices and only with "hot"/"critical" trip points, often found on some
Qualcomm devices [1].
Documentation across IPA code (notably get_governor_trips() kerneldoc)
suggests that IPA is supposed to handle such TZ even if it won't
actually do anything.
This commit partially reverts the previous change to allow IPA to bind
to such "empty" thermal zones.
Fixes:
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.. | ||
broadcom | ||
intel | ||
mediatek | ||
qcom | ||
samsung | ||
st | ||
tegra | ||
ti-soc-thermal | ||
amlogic_thermal.c | ||
armada_thermal.c | ||
cpufreq_cooling.c | ||
cpuidle_cooling.c | ||
da9062-thermal.c | ||
db8500_thermal.c | ||
devfreq_cooling.c | ||
dove_thermal.c | ||
gov_bang_bang.c | ||
gov_fair_share.c | ||
gov_power_allocator.c | ||
gov_step_wise.c | ||
gov_user_space.c | ||
hisi_thermal.c | ||
imx8mm_thermal.c | ||
imx_sc_thermal.c | ||
imx_thermal.c | ||
k3_bandgap.c | ||
k3_j72xx_bandgap.c | ||
Kconfig | ||
khadas_mcu_fan.c | ||
kirkwood_thermal.c | ||
loongson2_thermal.c | ||
Makefile | ||
max77620_thermal.c | ||
qoriq_thermal.c | ||
rcar_gen3_thermal.c | ||
rcar_thermal.c | ||
rockchip_thermal.c | ||
rzg2l_thermal.c | ||
spear_thermal.c | ||
sprd_thermal.c | ||
sun8i_thermal.c | ||
thermal-generic-adc.c | ||
thermal_core.c | ||
thermal_core.h | ||
thermal_debugfs.c | ||
thermal_debugfs.h | ||
thermal_helpers.c | ||
thermal_hwmon.c | ||
thermal_hwmon.h | ||
thermal_mmio.c | ||
thermal_netlink.c | ||
thermal_netlink.h | ||
thermal_of.c | ||
thermal_sysfs.c | ||
thermal_trace.h | ||
thermal_trace_ipa.h | ||
thermal_trip.c | ||
uniphier_thermal.c |