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m68knommu: add a local dma_sync_single_for_cpu() function

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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>
This commit is contained in:
Greg Ungerer 2009-01-28 17:29:35 +10:00
parent dffc9efc56
commit bf5fe9ed73
1 changed files with 7 additions and 1 deletions
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8
arch/m68knommu/kernel/dma.c
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@ -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)
{
}