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Merge branch 'dma_slave_direction' into next_test_dirn

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resolved conflicts:
	drivers/media/video/mx3_camera.c
This commit is contained in:
Vinod Koul 2011-11-17 14:54:38 +05:30
commit e0d23ef29e
55 changed files with 253 additions and 224 deletions
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22
include/linux/dmaengine.h
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@ -23,7 +23,6 @@
#include <linux/device.h>
#include <linux/uio.h>
#include <linux/dma-direction.h>
#include <linux/scatterlist.h>
#include <linux/bitmap.h>
#include <asm/page.h>
@ -77,6 +76,19 @@ enum dma_transaction_type {
/* last transaction type for creation of the capabilities mask */
#define DMA_TX_TYPE_END (DMA_CYCLIC + 1)
/**
* enum dma_transfer_direction - dma transfer mode and direction indicator
* @DMA_MEM_TO_MEM: Async/Memcpy mode
* @DMA_MEM_TO_DEV: Slave mode & From Memory to Device
* @DMA_DEV_TO_MEM: Slave mode & From Device to Memory
* @DMA_DEV_TO_DEV: Slave mode & From Device to Device
*/
enum dma_transfer_direction {
DMA_MEM_TO_MEM,
DMA_MEM_TO_DEV,
DMA_DEV_TO_MEM,
DMA_DEV_TO_DEV,
};
/**
* enum dma_ctrl_flags - DMA flags to augment operation preparation,
@ -269,7 +281,7 @@ enum dma_slave_buswidth {
* struct, if applicable.
*/
struct dma_slave_config {
enum dma_data_direction direction;
enum dma_transfer_direction direction;
dma_addr_t src_addr;
dma_addr_t dst_addr;
enum dma_slave_buswidth src_addr_width;
@ -492,11 +504,11 @@ struct dma_device {
struct dma_async_tx_descriptor *(*device_prep_slave_sg)(
struct dma_chan *chan, struct scatterlist *sgl,
unsigned int sg_len, enum dma_data_direction direction,
unsigned int sg_len, enum dma_transfer_direction direction,
unsigned long flags);
struct dma_async_tx_descriptor *(*device_prep_dma_cyclic)(
struct dma_chan *chan, dma_addr_t buf_addr, size_t buf_len,
size_t period_len, enum dma_data_direction direction);
size_t period_len, enum dma_transfer_direction direction);
int (*device_control)(struct dma_chan *chan, enum dma_ctrl_cmd cmd,
unsigned long arg);
@ -522,7 +534,7 @@ static inline int dmaengine_slave_config(struct dma_chan *chan,
static inline struct dma_async_tx_descriptor *dmaengine_prep_slave_single(
struct dma_chan *chan, void *buf, size_t len,
enum dma_data_direction dir, unsigned long flags)
enum dma_transfer_direction dir, unsigned long flags)
{
struct scatterlist sg;
sg_init_one(&sg, buf, len);