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-rw-r--r--arch/arm/mm/cache-v4.S43
1 files changed, 20 insertions, 23 deletions
diff --git a/arch/arm/mm/cache-v4.S b/arch/arm/mm/cache-v4.S
index 5c7da3e..4810f7e 100644
--- a/arch/arm/mm/cache-v4.S
+++ b/arch/arm/mm/cache-v4.S
@@ -94,20 +94,6 @@ ENTRY(v4_flush_kern_dcache_area)
/* FALLTHROUGH */
/*
- * dma_inv_range(start, end)
- *
- * Invalidate (discard) the specified virtual address range.
- * May not write back any entries. If 'start' or 'end'
- * are not cache line aligned, those lines must be written
- * back.
- *
- * - start - virtual start address
- * - end - virtual end address
- */
-ENTRY(v4_dma_inv_range)
- /* FALLTHROUGH */
-
-/*
* dma_flush_range(start, end)
*
* Clean and invalidate the specified virtual address range.
@@ -120,18 +106,29 @@ ENTRY(v4_dma_flush_range)
mov r0, #0
mcr p15, 0, r0, c7, c7, 0 @ flush ID cache
#endif
+ mov pc, lr
+
+/*
+ * dma_unmap_area(start, size, dir)
+ * - start - kernel virtual start address
+ * - size - size of region
+ * - dir - DMA direction
+ */
+ENTRY(v4_dma_unmap_area)
+ teq r2, #DMA_TO_DEVICE
+ bne v4_dma_flush_range
/* FALLTHROUGH */
/*
- * dma_clean_range(start, end)
- *
- * Clean (write back) the specified virtual address range.
- *
- * - start - virtual start address
- * - end - virtual end address
+ * dma_map_area(start, size, dir)
+ * - start - kernel virtual start address
+ * - size - size of region
+ * - dir - DMA direction
*/
-ENTRY(v4_dma_clean_range)
+ENTRY(v4_dma_map_area)
mov pc, lr
+ENDPROC(v4_dma_unmap_area)
+ENDPROC(v4_dma_map_area)
__INITDATA
@@ -143,7 +140,7 @@ ENTRY(v4_cache_fns)
.long v4_coherent_kern_range
.long v4_coherent_user_range
.long v4_flush_kern_dcache_area
- .long v4_dma_inv_range
- .long v4_dma_clean_range
+ .long v4_dma_map_area
+ .long v4_dma_unmap_area
.long v4_dma_flush_range
.size v4_cache_fns, . - v4_cache_fns
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