[PATCH V2 2/4] mailbox: zynqmp-ipi: Remove dev.parent check in zynqmp_ipi_free_mboxes

[Peng Fan]

On Mon, Sep 29, 2025 at 01:07:21PM +0530, Harini T wrote:
>The ipi_mbox->dev.parent check is unreliable proxy for registration
>status as it fails to protect against probe failures that occur after
>the parent is assigned but before device_register() completes.
>
>device_is_registered() is the canonical and robust method to verify the
>registration status.
>
>Remove ipi_mbox->dev.parent check in zynqmp_ipi_free_mboxes().
>
>Fixes: 4981b82ba2ff ("mailbox: ZynqMP IPI mailbox controller")
>Signed-off-by: Harini T <harini.t at amd.com>

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