On Wed, Jan 15, 2025 at 12:41 PM Sébastien Szymanski <sebastien.szyman...@armadeus.com> wrote: > > The function disable_thermal_cpu_nodes() corrupts the cooling-device > property. > For example, booting an i.MX93 devices with only one A55 core (IMX93x1) > with the cooling-device property set to: > > $ dtc -I dtb foo.dtb | grep cooling-device > cooling-device = <0x08 0xffffffff 0xffffffff 0x09 0xffffffff 0xffffffff>; > > Linux shows the following error at boot: > > [ 1.715189] OF: /thermal-zones/cpu-thermal/cooling-maps/map0: could not > find phandle 1083699869 > [ 1.723977] thermal_sys: Add a cooling_device property with at least one > device > [ 1.731285] thermal thermal_zone0: binding zone cpu-thermal with cdev > thermal-devfreq-0 failed:-2 > > because the cooling-device property in the device tree passed to the > kernel is > > $ dtc -I dtb /sys/firmware/fdt | grep cooling-device > cooling-device = <0x4097f29d 0x00 0xb05aef9d>; > > The issue is because the wrong variable type is passed to the function > fdt_setprop() called in the function disable_thermal_cpu_nodes(). With > the variable type fixed, the error at boot is gone and the property is > properly set: > > $ dtc -I dtb /sys/firmware/fdt | grep cooling-device > cooling-device = <0x08 0xffffffff 0xffffffff>; > > Signed-off-by: Sébastien Szymanski <sebastien.szyman...@armadeus.com>
Great work! Applied, thanks.