1 files changed, 25 insertions, 27 deletions

diff --git a/arch/arm/mm/cache-v4.S b/arch/arm/mm/cache-v4.S
index 3668611cb400..4810f7e3e813 100644
--- a/arch/arm/mm/cache-v4.S
+++ b/arch/arm/mm/cache-v4.S
@@ -82,28 +82,15 @@ ENTRY(v4_coherent_user_range)
         mov     pc, lr
 
 /*
- *      flush_kern_dcache_page(void *page)
+ *      flush_kern_dcache_area(void *addr, size_t size)
  *
  *      Ensure no D cache aliasing occurs, either with itself or
  *      the I cache
  *
- *      - addr  - page aligned address
+ *      - addr  - kernel address
+ *      - size  - region size
  */
-ENTRY(v4_flush_kern_dcache_page)
-        /* 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)
+ENTRY(v4_flush_kern_dcache_area)
         /* FALLTHROUGH */
 
 /*
@@ -119,18 +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
 
@@ -141,8 +139,8 @@ ENTRY(v4_cache_fns)
         .long   v4_flush_user_cache_range
         .long   v4_coherent_kern_range
         .long   v4_coherent_user_range
-        .long   v4_flush_kern_dcache_page
-        .long   v4_dma_inv_range
-        .long   v4_dma_clean_range
+        .long   v4_flush_kern_dcache_area
+        .long   v4_dma_map_area
+        .long   v4_dma_unmap_area
         .long   v4_dma_flush_range
         .size   v4_cache_fns, . - v4_cache_fns