Re: [PATCH v6 1/3] dt-bindings: net: wireless: add flag marvell,invalid-reg-hint-in-rom

[George Valkov]

On Thu, 27 Aug 2026 at 13:34, Krzysztof Kozlowski <krzk@xxxxxxxxxx> wrote:
>
> On Fri, Aug 21, 2026 at 04:07:26AM +0300, Georgi Valkov wrote:
> > WRT3200ACM and WRT32x routers always report a fixed US regulatory domain
> > from the mwifiex ROM, which conflicts with the platform regulatory
> > configuration on units sold outside the US market. For example:
> > - phy0 mwlwifi 5 GHz, hard-coded region 98 EU mapped to FR
> > - phy1 mwlwifi 2.4 GHz, hard-coded region 98 EU mapped to FR
> > - phy2 mwifiex 2.4 and 5 GHz, hard-coded region US
> >
> > When the system boots, it detects a conflict between the user selected
> > region and the radios, e.g. BG FR US, and applies extreme restrictions,
> > preventing phy0 from starting on any DFS channel. phy2 works.
> >
> > Add a device-tree flag, which allows affected devices, where the radio
> > conflicts with the platform to ignore the incorrect regulatory hint in
> > the ROM of the radio, so the platform regulatory domain can be used.
> > This does not allow the user to change the regulatory configuration of
> > any radio. It only allows phy0 to start and operate according to its
> > certified configuration.
> >
> > [1] https://github.com/kaloz/mwlwifi/issues/173#issuecomment-307879699
> > [2] https://github.com/openwrt/openwrt/issues/9956
> >
> > Cc: stable@xxxxxxxxxxxxxxx
>
> I don't think there is any bug to be fixed here. Support was incomplete,
> so you add a missing quirk, but there was no bug in the binding.
> Binding was correct.
>
> With stable dropped:
>
> Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@xxxxxxxxxxxxxxxx>

I added Reviewed-by to the first patch and sent v7 with these changes:
1. drop Cc: stable, the first patch only documents a binding
2. restore colon after Tested-on as requested by openwrt-ai
3. mention the added wifi@1 node
https://lore.kernel.org/linux-wireless/20260827130335.6606-1-gvalkov@xxxxxxxxx/T/#t

Thank you for your help and patience!
Georgi Valkov