Re: [PATCH wireless-next v2 2/2] dt-bindings: net: wireless: wfx: discourage OOB IRQ with SDIO

[Krzysztof Kozlowski]

On Tue, Sep 01, 2026 at 10:33:20AM +0200, Jérôme Pouiller wrote:
> The WFxxx device provides an SDIO interface. In addition to the usual
> in-band SDIO IRQ, the device also supports an out-of-band IRQ line.
> 
> However, using the OOB IRQ with SDIO requires to poll the control
> register during the device initialization. This polling is unreliable:
> if an IRQ is raised while the host reads the control register, the
> device is lost and only a reset allows to recover it.
> 
> There is no way to fix this in software. So, warn the user that this
> setup should be reserved to debug.
> 
> Signed-off-by: Jérôme Pouiller <jerome.pouiller@xxxxxxxxxx>
> ---
>  Documentation/devicetree/bindings/net/wireless/silabs,wfx.yaml | 3 +++
>  1 file changed, 3 insertions(+)

Acked-by: Krzysztof Kozlowski <krzysztof.kozlowski@xxxxxxxxxxxxxxxx>

Best regards,
Krzysztof