[PATCH ath-next v2] wifi: ath12k: add basic hwmon temperature reporting

[Nicolas Escande]

On Thu Feb 19, 2026 at 8:34 AM CET, Maharaja Kennadyrajan wrote:
> Add initial thermal support by wiring up a per-radio (pdev) hwmon temperature
> sensor backed by the existing WMI pdev temperature command and event.
> When userspace reads the sysfs file temp1_input, the driver sends
> WMI_PDEV_GET_TEMPERATURE_CMDID (tag WMI_TAG_PDEV_GET_TEMPERATURE_CMD) and waits
> for the corresponding WMI_PDEV_TEMPERATURE_EVENTID
> (tag WMI_TAG_PDEV_TEMPERATURE_EVENT) to get the temperature and pdev_id.
>
> Export the reported value in millidegrees Celsius as required by hwmon.
> The temperature reported is per-radio (pdev). In a multi-radio wiphy under a
> single phy, a separate hwmon device is created for each radio.
>
> Sample command and output:
> $ cat /sys/devices/pci0000:00/.../ieee80211/phyX/hwmonY/temp1_input
> $ 50000
>
Hello,

In ath10k & ath11k you guys also had the throtling feature. Do you guys plan to
add this also at some point ?

[...]

> --- a/drivers/net/wireless/ath/ath12k/Makefile
> +++ b/drivers/net/wireless/ath/ath12k/Makefile
> @@ -32,6 +32,7 @@ ath12k-$(CONFIG_ATH12K_TRACING) += trace.o
>  ath12k-$(CONFIG_PM) += wow.o
>  ath12k-$(CONFIG_ATH12K_COREDUMP) += coredump.o
>  ath12k-$(CONFIG_NL80211_TESTMODE) += testmode.o
> +ath12k-$(CONFIG_THERMAL) += thermal.o
>

I may be wrong but I do not see Kconfig changes that allows to actually build
the new files. Is this intended ?
  
>  # for tracing framework to find trace.h
>  CFLAGS_trace.o := -I$(src)
> diff --git a/drivers/net/wireless/ath/ath12k/core.c b/drivers/net/wireless/ath/ath12k/core.c