[PATCH v2 3/4] soc: mediatek: mtk-cmdq: Add cmdq_pkt_poll_addr() function

[AngeloGioacchino Del Regno]

Il 07/03/24 02:34, Jason-JH.Lin ha scritto:
> Add cmdq_pkt_poll_addr function to support CMDQ user making
> an instruction for polling a specific address of hardware rigster
> to check the value with or without mask.
> 
> POLL is a legacy operation in GCE, so it does not support SPR and
> CMDQ_CODE_LOGIC. To support polling the register address which doesn't
> have the subsys id, CMDQ users need to make an instruction with GPR and
> CMDQ_CODE_MASK operation to move the register address to be poll into GPR.
> Then users can make an POLL instruction with GPR to poll the register
> address assigned in previous instruction.
> 
> Signed-off-by: Jason-JH.Lin <jason-jh.lin at mediatek.com>

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