Hi,

I'm facing the same issues. After adding the usb_wifi_para section, my wifi 
still refuses to work. I'm able to modprobe the module but nothing after 
that. "wlan0" is not being detected!

On Friday, January 3, 2014 5:30:48 PM UTC+5:30, Luc Verhaegen wrote:
>
> Hi, 
>
> I have just brought up a new a20 tablet and upgraded the kernel on my 
> a10 tablet from sunxi-3.0 to sunxi-3.4. And here are my findings. 
>
> My a20 tablet comes with RTL8188ETV wifi, attached to the usbc2 bus. The 
> 8188eu driver was totally unable to see it until: 
> a) i explicitely powered on the usbc2 bus from script.bin 
> b) i added a usb_wifi_para section to script.bin, especially for the 
> 8188eu driver. 
>
> My a10 tablet was, up until now, happily running sunxi-3.0. The 8192cu 
> driver on sunxi-3.0 worked with the RTL8188CUS just fine. On sunxi-3.4 
> however, it no longer works. It nicely enables the usb bus (which 8188eu 
> doesn't), but then fails to associate, and this is what it spews: 
>
> ioctl[SIOCSIWAP]: Operation not permitted 
> ioctl[SIOCSIWESSID]: Operation not permitted 
> ioctl[SIOCSIWENCODEEXT]: Invalid argument 
> ioctl[SIOCSIWENCODEEXT]: Invalid argument 
> ioctl[SIOCSIWAP]: Operation not permitted 
> ioctl[SIOCSIWESSID]: Operation not permitted 
>
> 8192cu has regressed directly with the change from sunxi-3.0 to 
> sunxi-3.4. 
>
> I could of course go and try 8188eu, but for that i have to: 
> a) explicitely power on the usbc2 bus from script.bin 
> b) add a usb_wifi_para section to script.bin, especially for the 8188eu 
> driver. 
>
> You will find the above changes littered across our wiki and poorly 
> sprinkled into our sunxi-boards. This means that rtl8188* based boards 
> have mostly broken wifi with the script.bins in sunxi-boards. We also no 
> longer can claim that we can just grab script.bin from android, and it 
> will just work. 
>
> This kills one of the main advantages of our project, and puts us in the 
> same league as all the other ARM SoCs: only a handful of development 
> boards work. This is totally unacceptable. 
>
> Luc Verhaegen. 
>

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