Messages in this thread | | | Subject | Re: [PATCH 02/13] dmaengine: Introduce dma_request_slave_channel_compat_reason() | From | Peter Ujfalusi <> | Date | Fri, 20 Nov 2015 14:30:11 +0200 |
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On 11/20/2015 02:24 PM, Andy Shevchenko wrote: > On Fri, Nov 20, 2015 at 12:58 PM, Arnd Bergmann <arnd@arndb.de> 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? 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.
-- Péter
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