Re: i2c issues in 6.18 on R4, but not r4pro (both mt7988 with i2c-mux on i2c2)

Wolfram Sang
2025-11-02T22:50:02Z

> from reset maintainers as i have my own defconfig. Tested and my mux works
> now again.

Glad it works again!

> Maybe this option should be enabled by default or when the i2c-mux is
> selected?

That's what we were discussing. At least a warning will now get printed
to the logs when booting suggesting the above solution.

> When moving from specific to a generic aproach (which makes sense) imho it
> should be
> mentioned in commit description which option needed instead :)

We didn't realize this back then. Only when the first bug report came
in :/

> btw. the Authors Email seems not working, got

Yes, he quit Nokia meanwhile.