Dear all,

I'm currently working on a IEEE802.11s WSN using 5 BBBs and a TP-Link 
stick. To evaluate the wireless link I need to get more information on the 
wireless link. Therefore, I want to enable the debugfs option of the ATH9k 
driver module (because just enabling the debug mode using 'modprobe 
ath9k_htc debug=0xffffffff' didn't work for me).

I think I will have to recompile the ath9k module and some related modules. 
As far as I understand all what I need for that is part of the backports 
project [1]. I have already used this on Android for another purpose and 
everything worked fine. BUT, I will need the kernel source for the 
compiling process! Where to get the source? (I used Roberts 
update_kernel.sh script to upgrade my kernel to 3.19)

Another possibility would be to compile a kernel and using make menuconfig 
to configure the modules. But therefore I would also need the kernel 
source. I really want to use Robert Nelsons version because I will also 
need to use DTBs for CAN. 

Can anyone help me out here? What would be better/easier? 

Thanks a lot in advance and best regards,
Marco

[1] https://www.kernel.org/pub/linux/kernel/projects/backports/

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