--- zzzz-none-000/linux-2.6.39.4/include/linux/dmaengine.h	2011-08-03 19:43:28.000000000 +0000
+++ puma6-arm-6490-729/linux-2.6.39.4/include/linux/dmaengine.h	2021-11-10 13:23:10.000000000 +0000
@@ -329,27 +329,27 @@
 };
 
 #ifndef CONFIG_ASYNC_TX_ENABLE_CHANNEL_SWITCH
-static inline void txd_lock(struct dma_async_tx_descriptor *txd)
+static inline void txd_lock(struct dma_async_tx_descriptor *txd __attribute__((unused)))
 {
 }
-static inline void txd_unlock(struct dma_async_tx_descriptor *txd)
+static inline void txd_unlock(struct dma_async_tx_descriptor *txd __attribute__((unused)))
 {
 }
-static inline void txd_chain(struct dma_async_tx_descriptor *txd, struct dma_async_tx_descriptor *next)
+static inline void txd_chain(struct dma_async_tx_descriptor *txd __attribute__((unused)), struct dma_async_tx_descriptor *next __attribute__((unused)))
 {
 	BUG();
 }
-static inline void txd_clear_parent(struct dma_async_tx_descriptor *txd)
+static inline void txd_clear_parent(struct dma_async_tx_descriptor *txd __attribute__((unused)))
 {
 }
-static inline void txd_clear_next(struct dma_async_tx_descriptor *txd)
+static inline void txd_clear_next(struct dma_async_tx_descriptor *txd __attribute__((unused)))
 {
 }
-static inline struct dma_async_tx_descriptor *txd_next(struct dma_async_tx_descriptor *txd)
+static inline struct dma_async_tx_descriptor *txd_next(struct dma_async_tx_descriptor *txd __attribute__((unused)))
 {
 	return NULL;
 }
-static inline struct dma_async_tx_descriptor *txd_parent(struct dma_async_tx_descriptor *txd)
+static inline struct dma_async_tx_descriptor *txd_parent(struct dma_async_tx_descriptor *txd __attribute__((unused)))
 {
 	return NULL;
 }
@@ -669,7 +669,7 @@
 {
 }
 static inline struct dma_chan *
-async_dma_find_channel(enum dma_transaction_type type)
+async_dma_find_channel(enum dma_transaction_type type __attribute__((unused)))
 {
 	return NULL;
 }
@@ -827,19 +827,19 @@
 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);
 #else
-static inline enum dma_status dma_wait_for_async_tx(struct dma_async_tx_descriptor *tx)
+static inline enum dma_status dma_wait_for_async_tx(struct dma_async_tx_descriptor *tx __attribute__((unused)))
 {
 	return DMA_SUCCESS;
 }
 static inline void dma_issue_pending_all(void)
 {
 }
-static inline struct dma_chan *__dma_request_channel(dma_cap_mask_t *mask,
-					      dma_filter_fn fn, void *fn_param)
+static inline struct dma_chan *__dma_request_channel(dma_cap_mask_t *mask __attribute__((unused)),
+					      dma_filter_fn fn __attribute__((unused)), void *fn_param __attribute__((unused)))
 {
 	return NULL;
 }
-static inline void dma_release_channel(struct dma_chan *chan)
+static inline void dma_release_channel(struct dma_chan *chan __attribute__((unused)))
 {
 }
 #endif