Comment 36 for bug 339891

Bryan: Thanks for the write-up and testing it!

Some remarks though:

You can apply the patch with "patch -p1 < /path/to/file.path" if you are inside the base directory for the driver (DPO_RT2860_LinuxSTA_V2.1.0.0 in your case)

The wpa_supplicant stuff is indeed not necessary as NetworkManager does this on the fly for you.

Finally: you might have to take the interface offline and unload the current version before installing the new one:

$ sudo ifconfig ra0 down
$ sudo rmmod rt2860sta
$ sudo mv /lib/modules/`uname -r`/kernel/drivers/staging/rt2860/rt2860sta.ko /tmp # just in case it's still there

You can also do "sudo make install" instead of steps 8 and 9 as follows:
(in the source directory)
$ sudo make install
$ sudo modprobe rt2860sta
$ sudo ifconfig ra0 up

Hope that helps, time for breakfast :)