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

Peter Ujfalusi peter.ujfalusi at ti.com
Thu Apr 9 12:05:14 PDT 2015


On 04/09/2015 10:01 PM, Tony Lindgren wrote:
> * Peter Ujfalusi <peter.ujfalusi at ti.com> [150409 11:55]:
>> On 04/09/2015 06:18 PM, Tony Lindgren wrote:
>>> * Peter Ujfalusi <peter.ujfalusi at ti.com> [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



More information about the linux-arm-kernel mailing list