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-rw-r--r--drivers/dma/dmaengine.c18
-rw-r--r--include/linux/dmaengine.h15
2 files changed, 9 insertions, 24 deletions
diff --git a/drivers/dma/dmaengine.c b/drivers/dma/dmaengine.c
index a53e71d2bbd4..ac8ef6cf7626 100644
--- a/drivers/dma/dmaengine.c
+++ b/drivers/dma/dmaengine.c
@@ -872,24 +872,6 @@ found:
EXPORT_SYMBOL_GPL(dma_request_chan);
/**
- * dma_request_slave_channel - try to allocate an exclusive slave channel
- * @dev: pointer to client device structure
- * @name: slave channel name
- *
- * Returns pointer to appropriate DMA channel on success or NULL.
- */
-struct dma_chan *dma_request_slave_channel(struct device *dev,
- const char *name)
-{
- struct dma_chan *ch = dma_request_chan(dev, name);
- if (IS_ERR(ch))
- return NULL;
-
- return ch;
-}
-EXPORT_SYMBOL_GPL(dma_request_slave_channel);
-
-/**
* dma_request_chan_by_mask - allocate a channel satisfying certain capabilities
* @mask: capabilities that the channel must satisfy
*
diff --git a/include/linux/dmaengine.h b/include/linux/dmaengine.h
index 011371b7f081..dd357a747780 100644
--- a/include/linux/dmaengine.h
+++ b/include/linux/dmaengine.h
@@ -1472,7 +1472,6 @@ void dma_issue_pending_all(void);
struct dma_chan *__dma_request_channel(const dma_cap_mask_t *mask,
dma_filter_fn fn, void *fn_param,
struct device_node *np);
-struct dma_chan *dma_request_slave_channel(struct device *dev, const char *name);
struct dma_chan *dma_request_chan(struct device *dev, const char *name);
struct dma_chan *dma_request_chan_by_mask(const dma_cap_mask_t *mask);
@@ -1502,11 +1501,6 @@ static inline struct dma_chan *__dma_request_channel(const dma_cap_mask_t *mask,
{
return NULL;
}
-static inline struct dma_chan *dma_request_slave_channel(struct device *dev,
- const char *name)
-{
- return NULL;
-}
static inline struct dma_chan *dma_request_chan(struct device *dev,
const char *name)
{
@@ -1575,6 +1569,15 @@ void dma_run_dependencies(struct dma_async_tx_descriptor *tx);
#define dma_request_channel(mask, x, y) \
__dma_request_channel(&(mask), x, y, NULL)
+/* Deprecated, please use dma_request_chan() directly */
+static inline struct dma_chan * __deprecated
+dma_request_slave_channel(struct device *dev, const char *name)
+{
+ struct dma_chan *ch = dma_request_chan(dev, name);
+
+ return IS_ERR(ch) ? NULL : ch;
+}
+
static inline struct dma_chan
*dma_request_slave_channel_compat(const dma_cap_mask_t mask,
dma_filter_fn fn, void *fn_param,