Various drivers use omap_dma_filter_fn() but don't depend on DMA_OMAP. This is fine because there is a trivial inline definition in case DMA_OMAP is disabled... until the caller is built-in and DMA_OMAP=m.
I tried adding the rather weird 'select DMA_OMAP if DMA_OMAP!=n' to these drivers' kconfig symbols to promote it to built-in if necessary. This sort of works but kconfig complains about the circular dependency and it becomes impossible to disable DMA_OMAP in the 'make nconfig' menu. So that's not the right thing to do. Any ideas? Ben. -- Ben Hutchings Sturgeon's Law: Ninety percent of everything is crap.
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