On Tue, Apr 23, 2013 at 05:54:33PM +0200, Arnd Bergmann wrote: > The exported interface for device drivers is dma_request_slave_channel, > not of_dma_request_slave_channel. The former does not depend on device > tree but also works with ACPI and other interfaces providing an > abstraction for DMA channels.
> This fixes link errors when building ALSA as a loadable module. This has already been changed separately, I'm surprised this applies against current code. Though one does have to wonder why it's in the header file if it's not a supported API...
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