urtwn driver for Edimax EW-7811U WLAN nano USB Adapter

[Alexey Dokuchaev]

On Sun, Oct 06, 2013 at 10:24:09AM -0700, Alfred Perlstein wrote:
> I got one of these (if_urtwn) and it works enough to download about a meg
> or so before the watchdog kicks in and I have to ifconfig down/up it to
> get it to respond again.
> 
> I even have a patch pending to add the usb identifier for this.

Same here; someone at $work bought couple of these teeny dongles.  I've
applied small id patch (attached), and tried to use it (it reportedly
works flawlessly under Linux using this [*] driver).  I could load the
module, but MAC address was clearly bogus (00:00:30:34:43:30); yet I've
created wlan0 just to find out that there is no list scan results, and
wpa_supplicant(8) gives me this in an endless loop (GENERIC kernel, so
I presume all wlan-related stuff should be in place):

   Successfully initialized wpa_supplicant
   ioctl[SIOCS80211, op=103, val=0, arg_len=128]: Device not configured
   wlan0: Failed to initiate AP scan

This is on relatively fresh 11-CURRENT as of Oct 18th, i386.  Any clues?
It would be nice to get more of these little guys to work, esp. there is
working Linux driver available for reference.

./danfe

[*] https://github.com/liwei/rpi-rtl8188eu
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