curaga.. if dmesg already indicates the correct driver is installed without error, I'm curious what missing config option would help??
ref
dmesg | tail -25
usb 1-6: USB disconnect, device number 3
usb 1-6: new high-speed USB device number 4 using ehci-pci
cfg80211: Calling CRDA to update world regulatory domain
usbcore: registered new interface driver rt2800usb