[OpenWrt-Devel] Wifi on ZBT-WE1326 broken after commit 5f7396ebef09

[Karl Palsson]

Kristian Evensen <kristian.evensen at gmail.com> wrote:
> Hello,
> 
> On Tue, May 29, 2018 at 5:24 PM, Kristian Evensen
> <kristian.evensen at gmail.com> wrote:
> > Carrying a local revert of the commit in question is always a
> > possibility (and does not seem to have any unintentional
> > side-effects), but I would rather try to fix the problem properly.
> > Does anyone have any suggestions on where to look?
> 
> Banging my head in the wall for some hours seems to have
> resulted in a solution.
> 
> The default PCIe interrupt mapping in mt7621.dtsi is wrong for
> WE1326. After taking a look at which IRQs were set up before
> commit 5f7396ebef09, I noticed that the IRQs in mt7621.dtsi.
> After adding the following to the pcie-node of ZBT-WE1326.dts,
> wifi is working fine:
> 
> interrupt-map = <0x10000 0 0 1 &gic GIC_SHARED 24
> IRQ_TYPE_LEVEL_HIGH>,
>                          <0x20000 0 0 1 &gic GIC_SHARED 25 IRQ_TYPE_LEVEL_HIGH>;
> 
> I will prepare and submit a patch.


There were a few people on this today it seems :)

See also https://github.com/openwrt/mt76/issues/173 and
https://forum.lede-project.org/t/mt76-stopped-working-with-latest-updates/14623/41

There's a patch at the bottom of that from mangix/neheb that
removes from overrides that just set 0s, and that fixed it for my
we1326

Sincerely,
Karl P

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