/* * __dma_map_area(start, size, dir) * - start - kernel virtual start address * - size - size of region * - dir - DMA direction */ ENTRY(__dma_map_area) add x1, x1, x0 cmp w2, #DMA_FROM_DEVICE b.eq __dma_inv_range
b __dma_clean_range
ENDPIPROC(__dma_map_area)