m68knommu: add a local dma_sync_single_for_cpu() function

The onboard ethernet of many ColdFire parts uses DMA. The driver
is being cleaned up to use the correct DMA handling functions, and
m68knommuy currently does not implement dma_sync_single_for_cpu().

Signed-off-by: Greg Ungerer <gerg@uclinux.org>

1 files changed, 7 insertions, 1 deletions

diff --git a/arch/m68knommu/kernel/dma.c b/arch/m68knommu/kernel/dma.c
index e10eafc52789..936125806638 100644
--- a/arch/m68knommu/kernel/dma.c
+++ b/arch/m68knommu/kernel/dma.c
@@ -9,10 +9,11 @@
 #include <linux/mm.h>
 #include <linux/string.h>
 #include <linux/device.h>
+#include <linux/dma-mapping.h>
 #include <asm/io.h>
 
 void *dma_alloc_coherent(struct device *dev, size_t size,
-                           dma_addr_t *dma_handle, int gfp)
+                           dma_addr_t *dma_handle, gfp_t gfp)
 {
         void *ret;
         /* ignore region specifiers */
@@ -34,3 +35,8 @@ void dma_free_coherent(struct device *dev, size_t size,
 {
         free_pages((unsigned long)vaddr, get_order(size));
 }
+
+void dma_sync_single_for_cpu(struct device *dev, dma_addr_t handle, size_t size, enum dma_data_direction dir)
+{
+}
+