U-Boot i2c bus num 1 is broken on Nokia N900

[Pali Rohár]

On Thursday 29 October 2020 10:32:04 Heiko Schocher wrote:
> More mystically is, that it works fine for Pali on bus 0 but
> makes problems on bus 1 ... !?
> 
> Pali: Do you have also on bus 0 i2c writes?

Yes, there are many, search for "i2c_write" and see:
https://gitlab.denx.de/u-boot/u-boot/-/blob/master/board/nokia/rx51/rx51.c

And they works fine.

Everything is for bus 0 except that one problematic i2c write which is
for bus 1.