[PATCH v2 5/9] mailbox: imx: Start splitting the IRQ handler in primary and threaded handler

[Peng Fan]

On Wed, Jun 03, 2026 at 03:05:08PM +0200, Sebastian Andrzej Siewior wrote:
>Split the mailbox irq handling into a primary handler (imx_mu_isr()) and
>a threaded handler (imx_mu_isr_th()). The primary handler masks the
>interrupt event so the threaded handler can run without raising the
>interrupt again. The threaded handler can invoke the actuall callback in
>preemtible context.
>
>As a first step, prepare the logic and move TX handling part.
>
>Signed-off-by: Sebastian Andrzej Siewior <bigeasy at linutronix.de>

Reviewed-by: Peng Fan <peng.fan at nxp.com>