Re: [PATCH v3 06/15] irqchip/qcom-mpm: Use mbox_ring_doorbell() instead of NULL message

[Thomas Gleixner]

On Mon, Feb 16 2026 at 10:09, Douglas Anderson wrote:

> As per the patch ("mailbox: Deprecate NULL mbox messages; Introduce
> mbox_ring_doorbell()"), we want to switch all users of NULL mailbox
> messages to use mbox_ring_doorbell().
>
> This client only ever sent NULL messages, so the transition is
> straightforward.
>
> This client didn't previously call mbox_client_txdone() and it appears
> that the mailboxes it hooks up with (qcom-apcs-ipc-mailbox.c or
> qcom-ipcc.c) have both `txdone_irq` and `txdone_poll` as
> false. Presumably this means the client was relying the mailbox core's
> quirky behavior when sending NULL messages.
>
> Signed-off-by: Douglas Anderson <dianders@xxxxxxxxxxxx>

Acked-by: Thomas Gleixner <tglx@xxxxxxxxxx>