[OpenWrt-Devel] [PATCH] ramips: Fix WiFi after 5f7396ebef09b224edf08b0bda113613a42f0928

Rosen Penev rosenp at gmail.com
Fri Jun 1 01:20:29 EDT 2018

On Thu, May 31, 2018 at 10:02 PM, Felix Fietkau <nbd at nbd.name> wrote:
> On 2018-05-29 20:03, Rosen Penev wrote:
>> That commit exposed a bug in the DTS files used by mt7621 where the wrong
>> reg value for pcie1 (and potentially pcie2) was being used. This was
>> causing WiFi failures for interfaces in pcie1.
>> eg. 2.4GHz working but not 5GHz.
>> As all of these dts entries are already specified in mt7621.dtsi, remove
>> them.
>> Signed-off-by: Rosen Penev <rosenp at gmail.com>
> Did you verify that the EEPROM related settings in the .dts are still
> used? It looks to me like you actually broke that with this patch.
I did not. One user says it fixed his WiFi and another says it broke it.

On further investigation, it seems the problem is something to do with
the interrupts. cat /proc/interrupts shows interrupts 23,24,25 whereas
I believe it used to show 24,25,26 for the pcie interfaces.

I hope to get this sorted out by the weekend.
> - Felix

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