Re: [PATCH 0/2] Apple SIO driver

[Krzysztof Kozlowski]

On 12/07/2023 15:38, Martin Povišer wrote:
> Hi all,
> 
> see attached a driver for the SIO coprocessor found on recent Apple
> SoCs. This coprocessor provides general DMA services, it can feed
> many peripherals but so far it seems it will only be useful for
> audio output over HDMI/DisplayPort. So the driver here only supports
> the DMA_CYCLIC mode of transactions with the focus being on audio.
> There's a downstream prototype ALSA driver the DMA driver is being
> tested against.
> 
> Some of the boilerplate code in implementing the dmaengine interface
> was lifted from apple-admac.c. Among other things these two drivers
> have in common that they implement the DMA_CYCLIC regime on top of
> hardware/coprocessor layer supporting linear transactions only.
> 
> The binding schema saw two RFC rounds before and has a reviewed-by
> from Rob.
> https://lore.kernel.org/asahi/167693643966.613996.10372170526471864080.robh@xxxxxxxxxx

Thank you for explanation. Then this is v3, not v1.

No need for resending, but if it happens, consider naming it v4. :)

Best regards,
Krzysztof