Re: [PATCH v5 8/8] ARM: DTS: dra7x: Integrate sDMA crossbar

From: Peter Ujfalusi
Date: Thu Apr 09 2015 - 15:07:32 EST


On 04/09/2015 10:01 PM, Tony Lindgren wrote:
> * Peter Ujfalusi <peter.ujfalusi@xxxxxx> [150409 11:55]:
>> On 04/09/2015 06:18 PM, Tony Lindgren wrote:
>>> * Peter Ujfalusi <peter.ujfalusi@xxxxxx> [150409 02:37]:
>>>> The sDMA requests are routed through the DMA crossbar and without the
>>>> crossbar only peripherals using DMA request 0-127 can be used.
>>>
>>> I assume this can be merged separately from the driver
>>> changes?
>>
>> Unfortunately not. We need to have the drivers in place for the DTS changes to
>> work.
>
> Right but just merging the driver changes presumably won't
> break things?

No, they will not break anything. We just do not have control over the DMA
crossbar (in a same way as we don't have control right now).

--
Péter
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/