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-rw-r--r--include/linux/dma-mapping.h31
1 files changed, 1 insertions, 30 deletions
diff --git a/include/linux/dma-mapping.h b/include/linux/dma-mapping.h
index ba8319ae5fc..347fdc32177 100644
--- a/include/linux/dma-mapping.h
+++ b/include/linux/dma-mapping.h
@@ -4,17 +4,9 @@
4#include <linux/device.h> 4#include <linux/device.h>
5#include <linux/err.h> 5#include <linux/err.h>
6#include <linux/dma-attrs.h> 6#include <linux/dma-attrs.h>
7#include <linux/dma-direction.h>
7#include <linux/scatterlist.h> 8#include <linux/scatterlist.h>
8 9
9/* These definitions mirror those in pci.h, so they can be used
10 * interchangeably with their PCI_ counterparts */
11enum dma_data_direction {
12 DMA_BIDIRECTIONAL = 0,
13 DMA_TO_DEVICE = 1,
14 DMA_FROM_DEVICE = 2,
15 DMA_NONE = 3,
16};
17
18struct dma_map_ops { 10struct dma_map_ops {
19 void* (*alloc_coherent)(struct device *dev, size_t size, 11 void* (*alloc_coherent)(struct device *dev, size_t size,
20 dma_addr_t *dma_handle, gfp_t gfp); 12 dma_addr_t *dma_handle, gfp_t gfp);
@@ -54,27 +46,6 @@ struct dma_map_ops {
54 46
55#define DMA_BIT_MASK(n) (((n) == 64) ? ~0ULL : ((1ULL<<(n))-1)) 47#define DMA_BIT_MASK(n) (((n) == 64) ? ~0ULL : ((1ULL<<(n))-1))
56 48
57typedef u64 DMA_nnBIT_MASK __deprecated;
58
59/*
60 * NOTE: do not use the below macros in new code and do not add new definitions
61 * here.
62 *
63 * Instead, just open-code DMA_BIT_MASK(n) within your driver
64 */
65#define DMA_64BIT_MASK (DMA_nnBIT_MASK)DMA_BIT_MASK(64)
66#define DMA_48BIT_MASK (DMA_nnBIT_MASK)DMA_BIT_MASK(48)
67#define DMA_47BIT_MASK (DMA_nnBIT_MASK)DMA_BIT_MASK(47)
68#define DMA_40BIT_MASK (DMA_nnBIT_MASK)DMA_BIT_MASK(40)
69#define DMA_39BIT_MASK (DMA_nnBIT_MASK)DMA_BIT_MASK(39)
70#define DMA_35BIT_MASK (DMA_nnBIT_MASK)DMA_BIT_MASK(35)
71#define DMA_32BIT_MASK (DMA_nnBIT_MASK)DMA_BIT_MASK(32)
72#define DMA_31BIT_MASK (DMA_nnBIT_MASK)DMA_BIT_MASK(31)
73#define DMA_30BIT_MASK (DMA_nnBIT_MASK)DMA_BIT_MASK(30)
74#define DMA_29BIT_MASK (DMA_nnBIT_MASK)DMA_BIT_MASK(29)
75#define DMA_28BIT_MASK (DMA_nnBIT_MASK)DMA_BIT_MASK(28)
76#define DMA_24BIT_MASK (DMA_nnBIT_MASK)DMA_BIT_MASK(24)
77
78#define DMA_MASK_NONE 0x0ULL 49#define DMA_MASK_NONE 0x0ULL
79 50
80static inline int valid_dma_direction(int dma_direction) 51static inline int valid_dma_direction(int dma_direction)