Re: [PATCH 02/13] dmaengine: Introduce dma_request_slave_channel_compat_reason()

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On Fri, Nov 20, 2015 at 2:30 PM, Peter Ujfalusi <peter.ujfalusi@xxxxxx> wrote:
> On 11/20/2015 02:24 PM, Andy Shevchenko wrote:
>> On Fri, Nov 20, 2015 at 12:58 PM, Arnd Bergmann <arnd@xxxxxxxx> wrote:
>>> On Friday 20 November 2015 12:25:06 Peter Ujfalusi wrote:
>>>> On 11/19/2015 01:25 PM, Arnd Bergmann wrote:
>>
>>> Another idea would be to remove the filter function from struct dma_chan_map
>>> and pass the map through platform data
>>
>> Why not unified device properties?
>
> Is this some Windows/ACPI feature?

Nope.

Check drivers/base/property.c

> Quick search gives mostly MSDN and
> Windows10 related links.
>
> We only need dma_chan_map for platforms which has not been converted to DT and
> still using legacy boot. Or platforms which can still boot in legacy mode. In
> DT/ACPI mode we do not need this map at all.


-- 
With Best Regards,
Andy Shevchenko
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