diff options
Diffstat (limited to 'arch/arm/mm/cache-v4wt.S')
| -rw-r--r-- | arch/arm/mm/cache-v4wt.S | 25 |
1 files changed, 25 insertions, 0 deletions
diff --git a/arch/arm/mm/cache-v4wt.S b/arch/arm/mm/cache-v4wt.S index b3b7410270b..3d8dad5b265 100644 --- a/arch/arm/mm/cache-v4wt.S +++ b/arch/arm/mm/cache-v4wt.S @@ -172,6 +172,29 @@ ENTRY(v4wt_dma_clean_range) .globl v4wt_dma_flush_range .equ v4wt_dma_flush_range, v4wt_dma_inv_range +/* + * dma_unmap_area(start, size, dir) + * - start - kernel virtual start address + * - size - size of region + * - dir - DMA direction + */ +ENTRY(v4wt_dma_unmap_area) + add r1, r1, r0 + teq r2, #DMA_TO_DEVICE + bne v4wt_dma_inv_range + /* FALLTHROUGH */ + +/* + * dma_map_area(start, size, dir) + * - start - kernel virtual start address + * - size - size of region + * - dir - DMA direction + */ +ENTRY(v4wt_dma_map_area) + mov pc, lr +ENDPROC(v4wt_dma_unmap_area) +ENDPROC(v4wt_dma_map_area) + __INITDATA .type v4wt_cache_fns, #object @@ -182,6 +205,8 @@ ENTRY(v4wt_cache_fns) .long v4wt_coherent_kern_range .long v4wt_coherent_user_range .long v4wt_flush_kern_dcache_area + .long v4wt_dma_map_area + .long v4wt_dma_unmap_area .long v4wt_dma_inv_range .long v4wt_dma_clean_range .long v4wt_dma_flush_range |