On 04/07/2024 18:41, Daniel Lezcano wrote: > On 04/07/2024 10:52, Neil Armstrong wrote: >> If the thermal core tries to update the temperature from an >> uninitialized power supply, it will swawn the following warning: >> thermal thermal_zoneXX: failed to read out thermal zone (-19) >> >> But reading from an uninitialized power supply should not be >> considered as a fatal error, but the thermal core expects >> the -EAGAIN error to be returned in this particular case. >> >> So convert -ENODEV as -EAGAIN to express the fact that reading >> temperature from an uninitialized power supply shouldn't be >> a fatal error, but should indicate to the thermal zone it should >> retry later. >> >> It notably removes such messages on Qualcomm platforms using the >> qcom_battmgr driver spawning warnings until the aDSP firmware >> gets up and the battery manager reports valid data. > > Is it possible to have the aDSP firmware ready first ? I don't think so. ADSP firmware is a file, so as every firmware it can be loaded from rootfs, not initramfs (unlike this driver), or even missing. Best regards, Krzysztof
