[PATCH] mailbox: mtk-cmdq: Fix pm_runtime_get_sync() warning in mbox shutdown

[AngeloGioacchino Del Regno]

Il 26/04/24 04:01, Jason-JH.Lin ha scritto:
> The return value of pm_runtime_get_sync() in cmdq_mbox_shutdown()
> will return 1 when pm runtime state is active, and we don't want to
> get the warning message in this case.
> 
> So we change the return value < 0 for WARN_ON().
> 
> Fixes: 8afe816b0c99 ("mailbox: mtk-cmdq-mailbox: Implement Runtime PM with autosuspend")
> Signed-off-by: Jason-JH.Lin <jason-jh.lin at mediatek.com>

Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno at collabora.com>