1 files changed, 30 insertions, 4 deletions

diff --git a/arch/arm/mm/cache-v7.S b/arch/arm/mm/cache-v7.S
index 9073db849fb4..bcd64f265870 100644
--- a/arch/arm/mm/cache-v7.S
+++ b/arch/arm/mm/cache-v7.S
@@ -216,7 +216,7 @@ ENDPROC(v7_flush_kern_dcache_area)
  *      - start   - virtual start address of region
  *      - end     - virtual end address of region
  */
-ENTRY(v7_dma_inv_range)
+v7_dma_inv_range:
         dcache_line_size r2, r3
         sub     r3, r2, #1
         tst     r0, r3
@@ -240,7 +240,7 @@ ENDPROC(v7_dma_inv_range)
  *      - start   - virtual start address of region
  *      - end     - virtual end address of region
  */
-ENTRY(v7_dma_clean_range)
+v7_dma_clean_range:
         dcache_line_size r2, r3
         sub     r3, r2, #1
         bic     r0, r0, r3
@@ -271,6 +271,32 @@ ENTRY(v7_dma_flush_range)
         mov     pc, lr
 ENDPROC(v7_dma_flush_range)
 
+/*
+ *      dma_map_area(start, size, dir)
+ *      - start - kernel virtual start address
+ *      - size  - size of region
+ *      - dir   - DMA direction
+ */
+ENTRY(v7_dma_map_area)
+        add     r1, r1, r0
+        teq     r2, #DMA_FROM_DEVICE
+        beq     v7_dma_inv_range
+        b       v7_dma_clean_range
+ENDPROC(v7_dma_map_area)
+
+/*
+ *      dma_unmap_area(start, size, dir)
+ *      - start - kernel virtual start address
+ *      - size  - size of region
+ *      - dir   - DMA direction
+ */
+ENTRY(v7_dma_unmap_area)
+        add     r1, r1, r0
+        teq     r2, #DMA_TO_DEVICE
+        bne     v7_dma_inv_range
+        mov     pc, lr
+ENDPROC(v7_dma_unmap_area)
+
         __INITDATA
 
         .type   v7_cache_fns, #object
@@ -281,7 +307,7 @@ ENTRY(v7_cache_fns)
         .long   v7_coherent_kern_range
         .long   v7_coherent_user_range
         .long   v7_flush_kern_dcache_area
-        .long   v7_dma_inv_range
-        .long   v7_dma_clean_range
+        .long   v7_dma_map_area
+        .long   v7_dma_unmap_area
         .long   v7_dma_flush_range
         .size   v7_cache_fns, . - v7_cache_fns