[OpenWrt-Devel] what is the current state of support for MT7620A on-SoC 2.4G?

Robert P. J. Day rpjday at crashcourse.ca
Thu Nov 27 04:48:11 EST 2014

  just to prove i've done my homework :-), colleague had been
downloading the alleged driver for 2.4G support for the mediatek
MT7620A from github.com:


that driver clearly admits it's for the 3.10 kernel, so it was only a
matter of time before trying to use it for the 3.14 kernel was going
to break, as it did given this recent commit to openwrt:

$ git show 9d7ff9375d55822a3e4d0b35800a1ebfe938ade2
Author: blogic <blogic at 3c298f89-4303-0410-b956-a3cf2f4a3e73>
Date:   Wed Nov 12 14:54:50 2014 +0000

    ralink: add support for mt7621 ethernet

	... snip ...

part of that commit was to entirely remove a patch file:

diff --git
deleted file mode 100644
index c145a2f..0000000
+++ /dev/null
... snip ...

which, among other things, added support for routines
ra_sw_nat_hook_{rx,tx}, which now (unsurprisingly) generate undefined
symbol errors when trying to compile.

  i also notice that felix's recent addition for support for the 5G
MT7612 chip deactivated 2.4G support, so ... what is the proper
approach to get 2.4G support for the MT7620A? (if it's even possible.)

  BTW, i just received a buffalo airstation WHR-1166D with
MT7620A/MT7612E, so i'm more than ready to try a build and flash.



Robert P. J. Day                                 Ottawa, Ontario, CANADA

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