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authorIngo Molnar <mingo@elte.hu>2009-02-12 13:08:57 +0100
committerIngo Molnar <mingo@elte.hu>2009-02-12 13:08:57 +0100
commit871cafcc962fa1655c44b4f0e54d4c5cc14e273c (patch)
treefdb7bc65d2606c85b7be6c33ba0dfd5b4e472245 /include/linux/dmaengine.h
parentcf2592f59c0e8ed4308adbdb2e0a88655379d579 (diff)
parentb578f3fcca1e78624dfb5f358776e63711d7fda2 (diff)
downloadblackbird-obmc-linux-871cafcc962fa1655c44b4f0e54d4c5cc14e273c.tar.gz
blackbird-obmc-linux-871cafcc962fa1655c44b4f0e54d4c5cc14e273c.zip
Merge branch 'linus' into core/softlockup
Diffstat (limited to 'include/linux/dmaengine.h')
-rw-r--r--include/linux/dmaengine.h23
1 files changed, 22 insertions, 1 deletions
diff --git a/include/linux/dmaengine.h b/include/linux/dmaengine.h
index c73f1e2b59b7..3e68469c1885 100644
--- a/include/linux/dmaengine.h
+++ b/include/linux/dmaengine.h
@@ -282,6 +282,18 @@ static inline void dmaengine_put(void)
}
#endif
+#ifdef CONFIG_NET_DMA
+#define net_dmaengine_get() dmaengine_get()
+#define net_dmaengine_put() dmaengine_put()
+#else
+static inline void net_dmaengine_get(void)
+{
+}
+static inline void net_dmaengine_put(void)
+{
+}
+#endif
+
dma_cookie_t dma_async_memcpy_buf_to_buf(struct dma_chan *chan,
void *dest, void *src, size_t len);
dma_cookie_t dma_async_memcpy_buf_to_pg(struct dma_chan *chan,
@@ -297,6 +309,11 @@ static inline void async_tx_ack(struct dma_async_tx_descriptor *tx)
tx->flags |= DMA_CTRL_ACK;
}
+static inline void async_tx_clear_ack(struct dma_async_tx_descriptor *tx)
+{
+ tx->flags &= ~DMA_CTRL_ACK;
+}
+
static inline bool async_tx_test_ack(struct dma_async_tx_descriptor *tx)
{
return (tx->flags & DMA_CTRL_ACK) == DMA_CTRL_ACK;
@@ -400,11 +417,16 @@ static inline enum dma_status dma_async_is_complete(dma_cookie_t cookie,
enum dma_status dma_sync_wait(struct dma_chan *chan, dma_cookie_t cookie);
#ifdef CONFIG_DMA_ENGINE
enum dma_status dma_wait_for_async_tx(struct dma_async_tx_descriptor *tx);
+void dma_issue_pending_all(void);
#else
static inline enum dma_status dma_wait_for_async_tx(struct dma_async_tx_descriptor *tx)
{
return DMA_SUCCESS;
}
+static inline void dma_issue_pending_all(void)
+{
+ do { } while (0);
+}
#endif
/* --- DMA device --- */
@@ -413,7 +435,6 @@ int dma_async_device_register(struct dma_device *device);
void dma_async_device_unregister(struct dma_device *device);
void dma_run_dependencies(struct dma_async_tx_descriptor *tx);
struct dma_chan *dma_find_channel(enum dma_transaction_type tx_type);
-void dma_issue_pending_all(void);
#define dma_request_channel(mask, x, y) __dma_request_channel(&(mask), x, y)
struct dma_chan *__dma_request_channel(dma_cap_mask_t *mask, dma_filter_fn fn, void *fn_param);
void dma_release_channel(struct dma_chan *chan);
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