Hi John,

> John Walicki <johnwali...@gmail.com> hat am 31. Dezember 2018 um 00:18 
> geschrieben:
> 
> 
> In Peter's blog post (1), he mentions that there now experimental CPU 
> frequency support for the Raspberry Pi.
> 

apologize for being the grinch, but there are reasons that the cpufreq driver 
isn't in mainline yet. All affected drivers (sdhost, i2c, aux uart, spi, dpi) 
aren't aware of the VPU clock changes which could result in unexpected 
behavior. For example the debug UART (aux uart) on the RPi 3 isn't usable 
anymore. A workaround here is to disable bluetooth and use that UART.

Further information can be found here:
https://github.com/lategoodbye/rpi-zero/issues/32

Regards
Stefan

> 
> I'm running Fedora 29 4.19.10-300 kernel.  Thanks!
> -- John
> 
> (1) - https://nullr0ute.com/2018/12/raspberry-pi-improvements-in-fedora-29/
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