Re: [PATCH v7 2/3] wifi: mwifiex: add dt flag to avoid conflict with platform reg domain

[Krzysztof Kozlowski]

On 27/08/2026 15:03, 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.
> 
> The change affects only platforms which explicitly define this flag, and
> helps overcome the incorrect behaviour of proprietary radio firmware.
> 
> [1] https://github.com/kaloz/mwlwifi/issues/173#issuecomment-307879699
> [2] https://github.com/openwrt/openwrt/issues/9956
> 
> Tested-on: WRT3200ACM, OpenWrt

OK, so this comment from v6 was not about binding, but this is still
wrong - there is no such tag. Just make it a standard sentence.

Do not introduce OpenWRT rules in to the upstream kernel.

Best regards,
Krzysztof