Just updated the Raspberry Pi to Kernel 3.13, from github:

# git clone -b rpi-3.13.y --single-branch https://github.com/raspberrypi/linux

– And.. everything seems to be working OK (with Pidora 19)

Pidora release 19 (Raspberry Pi Fedora Remix)
Kernel 3.13.0+ on an armv6l (ttyAMA0)
.........
$ uname -a
Linux rgpi 3.13.0+ #1 PREEMPT Wed Jan 22 10:13:51 GMT 2014 armv6l armv6l armv6l GNU/Linux

Robert Gadsdon.  January 22, 2014