I have a fresh install of OpenWrt 15.05-rc2 on a RaspBerry B+
root@bnh-traveller:~# uname -a
Linux bnh-traveller 3.18.11 #1 Mon May 18 21:56:20 CEST 2015 armv6l GNU/Linux
I have already installed required packages with success
root@bnh-traveller:~# opkg install kmod-rt2800-lib kmod-rt2800-usb kmod-rt2x00-lib kmod-rt2x00-usb
Package kmod-rt2800-lib (3.18.14+2015-03-09-3) installed in root is up to date.
Package kmod-rt2800-usb (3.18.14+2015-03-09-3) installed in root is up to date.
Package kmod-rt2x00-lib (3.18.14+2015-03-09-3) installed in root is up to date.
Package kmod-rt2x00-usb (3.18.14+2015-03-09-3) installed in root is up to date.
Here is my USB wifi device:
root@bnh-traveller:~# lsusb
Bus 001 Device 005: ID 148f:3070 Ralink Technology, Corp. RT2870/RT3070 Wireless Adapter
But no wireless extension recognize after a reboot
root@bnh-traveller:~# iwconfig
lo no wireless extensions.
eth0 no wireless extensions.
br-lan no wireless extensions.
Tho the kernel recognize my USB wifi card...
[ 500.821888] usb 1-1.3: USB disconnect, device number 5
[ 506.176242] usb 1-1.3: new high-speed USB device number 6 using dwc_otg
[ 506.303676] usb 1-1.3: New USB device found, idVendor=148f, idProduct=3070
[ 506.312046] usb 1-1.3: New USB device strings: Mfr=1, Product=2, SerialNumber=3
[ 506.320858] usb 1-1.3: Product: 802.11 n WLAN
[ 506.326715] usb 1-1.3: Manufacturer: Ralink
[ 506.332343] usb 1-1.3: SerialNumber: 1.0
I have done the extact same setup on a TL-WR842ND with same OpenWrt version and same packages, and it is recognized correctly and I could use it as a wifi usb dongle.
@huafu; Could you managed to get it work?