[PATCH 0/4] RFC: ath79: add support for Mikrotik RB91xG

Sergey Ryazanov ryazanov.s.a at gmail.com
Fri May 14 03:54:35 BST 2021

Hello Denis,

On Thu, May 6, 2021 at 7:31 PM Denis Kalashnikov <denis281089 at gmail.com> wrote:
> When porting RB91xG ad hoc drivers (gpio-latch and rb91x-nand) from ar71xx
> to ath79, I made a decision to rework this to more clear design in my opinion:
> MFD driver that requests and controls the gpio lines, and separate NAND
> driver and GPIO-latch driver that uses API of the MFD driver (like
> how in rb4xx-clpd is done). ar71xx gpio-latch is very good, but somewhat hacky,
> so I don't think that it can be general driver for gpio controller on a latch.
> I could be wrong. Also it is my first attempt to port OpenWrt to a device, so
> I need a review from the community. I've tested all these on my RB912UAG-2HPnD.
> Gigabit Ethernet, 2.4GHz Wi-Fi, sysupgrade and LEDs:) are working for me.
> Not working: beeper, button and USB port/mPCIe (has not tested yet).

Thank you for this considerable work!

Besides the per patch comments, please check checkpatch.pl report, it
produces some useful inputs.


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