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613c4578d4
Introduce new generic alloc and free methods with attributes argument. Existing alloc_coherent and free_coherent can be implemented on top of the new calls with NULL attributes argument. Later also dma_alloc_non_coherent can be implemented using DMA_ATTR_NONCOHERENT attribute as well as dma_alloc_writecombine with separate DMA_ATTR_WRITECOMBINE attribute. This way the drivers will get more generic, platform independent way of allocating dma buffers with specific parameters. Signed-off-by: Marek Szyprowski <m.szyprowski@samsung.com> Acked-by: Kyungmin Park <kyungmin.park@samsung.com> Reviewed-by: David Gibson <david@gibson.dropbear.ud.au> Reviewed-by: Arnd Bergmann <arnd@arndb.de> |
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