Re: [BUG] hwmon: (spd5118) resume fails -ENXIO on write protected hubs

[Guenter Roeck <linux@roeck-us.net>]

On 8/17/26 22:00, Armin Wolf wrote:
...
>>>
>>> Looking into the code, it seems like the device may have been instantiated
>>> through the detect path. That makes me wonder which distribution enables
>>> CONFIG_SENSORS_SPD5118_DETECT because it should _not_ be enabled by default.
>>>
>>> Anyway, I guess I'll have to implement a dummy write operation in
>>> spd5118_i2c_init() to check if writes are possible and bail out on error.
>>> That is less than perfect but the best we can do without a flag from the
>>> I2C controller.
>>>
>>> I'll look into that after the commit window closes.
>>>
>>> Thanks,
>>> Guenter
>>
>> I already have prepared two patches for that, i will test them on my machine as soon as possible.
>>
>> Thanks,
>> Armin Wolf 
> 
> Both patches seems to work, but i do not have an DDR5-based Intel system and hand. Still, do you want
> me to send those patches when the new merge window opens?
> 

Please do. We should see a couple of patches applied to the spd5118 driver
during the commit window, adding I3C support, so please remember to rebase
your patches on top of v7.3-rc1 before you send them.

Thanks,
Guenter