On Mon, 04 Mar 2024 18:48:57 -0600, Adam Ford wrote:
> The IRQ registration currently assumes that the GPIO is dedicated
> to it, but that may not necessarily be the case. If the board has
> another device sharing the GPIO, it won't be registered and the
> hot-plug detect fails to function.
>
> Currently, the handler reads two registers and blindly
> assumes one of them caused the interrupt and returns IRQ_HANDLED
> unless there is an error. In order to properly do this, the IRQ
> handler needs to check if it needs to handle the IRQ and return
> IRQ_NONE if there is nothing to handle. With the check added
> and the return code properly indicating whether or not it there
> was an IRQ, the IRQF_SHARED can be set to share a GPIO IRQ.
>
> [...]
Applied to drm-misc-next, thanks!
[1/2] drm/bridge: adv7511: Allow IRQ to share GPIO pins
commit: f3d9683346d6b1d6e24f57e954385995601594d4
Best regards,
--
With best wishes
Dmitry
