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Commit bf5fe9ed authored by Greg Ungerer's avatar Greg Ungerer
Browse files

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: default avatarGreg Ungerer <gerg@uclinux.org>
parent dffc9efc

arch/m68knommu/kernel/dma.c

+7 −1
Original line number Diff line number Diff line
@@ -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)

{

}