1 files changed, 10 insertions, 1 deletions

diff --git a/include/linux/dmaengine.h b/include/linux/dmaengine.h
index c73f1e2b59b7..3e0f64c335c8 100644
--- a/include/linux/dmaengine.h
+++ b/include/linux/dmaengine.h
@@ -297,6 +297,11 @@ 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 +405,16 @@ 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 +423,6 @@ 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);