Re: [PATCH v3 1/2] mailbox: pcc: support polling mode when there is no platform IRQ

[Sudeep Holla]

On Tue, Dec 02, 2025 at 11:12:14AM +0100, Andrea Tomassetti wrote:
> The goal is to allow clients to submit a message in both irq and polling
> mode of the pcc mailbox. The ACPI specification does not require a
> platform irq for pcc channels. Let's implement the case where it is not
> available.
>

Just curious if you have a real use case for this polling mode on your
platforms or ...

> Tested-by: Thibault Cantori <thibault.cantori@xxxxxxxxxxx>
> Co-developed-by: Olivier Dautricourt <olivier.dautricourt@xxxxxxxxxxx>
> Signed-off-by: Olivier Dautricourt <olivier.dautricourt@xxxxxxxxxxx>
> Signed-off-by: Andrea Tomassetti <andrea.tomassetti@xxxxxxxxxxx>
> Reported-by: kernel test robot <lkp@xxxxxxxxx>
> Closes: https://lore.kernel.org/oe-kbuild-all/202511120243.soxAFpqQ-lkp@xxxxxxxxx/
> Closes: https://lore.kernel.org/oe-kbuild-all/202511120558.Cln7LF6M-lkp@xxxxxxxxx/
> Closes: https://lore.kernel.org/oe-kbuild-all/202511120729.R3XQNSnx-lkp@xxxxxxxxx/

You are just trying to fix these warnings. If it is latter, we don't have to
add support for polling mode especially if it can't be tested on real
platforms.

-- 
Regards,
Sudeep