Comment 11 for bug 815064

Banshee, could you please try the rt2800pci again. As Julian pointed out your devices ID is missing in kernel 3.0. You can however give it to the driver at runtime [1][2] with:
echo "1814 539f" | sudo tee /sys/bus/pci/drivers/rt2800pci/new_id

The whole process for testing this should probably look something like this:
modprobe -rv rt5390sta
modprobe -v rt2800pci
echo "1814 539f" | sudo tee /sys/bus/pci/drivers/rt2800pci/new_id

Hope this works. I never actually tried it myself.

If the rt2800pci then works for you we should backport the ID-patch via <email address hidden> so that we get out of the box support for this on oneiric.

[1]: This works only since kernel 3.0 for rt2x00 drivers due to a bug fixed with:
http://git.kernel.org/?p=linux/kernel/git/torvalds/linux.git;a=commit;h=e01ae27f8ce6bd3ee26ef33c704f62449ce8233b
[2]: General documentation for this:
http://git.kernel.org/?p=linux/kernel/git/torvalds/linux.git;a=blob;f=Documentation/PCI/pci.txt;h=6148d4080f888a9967492717b2837bbbb0b56970;hb=HEAD