[PATCH v3 2/2] imx: Support i.MX91 11x11 FRDM board

Francesco Valla francesco at valla.it
Wed Dec 10 08:24:53 CET 2025


Hi Joseph,

On 2025-12-10 06:27, Joseph Guo (OSS) wrote:
> On 12/10/2025 2:09 PM, Joseph Guo (OSS) wrote:
>> Hi Francesco,
>> 
> 
>>> 
>>> 
>>> I also get on startup:
>>> 
>>>      Failed to update cpu-thermal trip(s)
>>> 
>>> But this is probably due to lack of thermal support at Linux kernel 
>>> side
>>> and needs a fix there?
>>> 
>> On linux kernel side, 91 thermal driver is not upstream yet. And the 
>> ft update is a common feature for all i.MX9 series SoC. So the fix is 
>> to upstream the 91 thermal driver in kernel and add it into the kernel 
>> dts.
>> 
>> It is not related to this patchset though, I think there is no need to 
>> fix in this patchset. Do you agree with that?
>> 
> 
> Sorry, 91 thermal driver is already upstream. We only need to add it 
> into imx91.dtsi and it will fix the problem.
> 

Yes, it makes sense, rather than add a workaround here.

Regards,
Francesco


More information about the U-Boot mailing list