From: Andrew Morton <akpm@linux-foundation.org>

Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
---

 drivers/dma/dmaengine.c |   18 ++++++++++++------
 1 file changed, 12 insertions(+), 6 deletions(-)

diff -puN drivers/dma/dmaengine.c~revert-rm-pointless-dmaengine-exports drivers/dma/dmaengine.c
--- a/drivers/dma/dmaengine.c~revert-rm-pointless-dmaengine-exports
+++ a/drivers/dma/dmaengine.c
@@ -176,7 +176,6 @@ void dma_chan_cleanup(struct kref *kref)
 	chan->client = NULL;
 	kref_put(&chan->device->refcount, dma_async_device_cleanup);
 }
-EXPORT_SYMBOL(dma_chan_cleanup);
 
 static void dma_chan_free_rcu(struct rcu_head *rcu)
 {
@@ -262,7 +261,6 @@ struct dma_client *dma_async_client_regi
 
 	return client;
 }
-EXPORT_SYMBOL(dma_async_client_register);
 
 /**
  * dma_async_client_unregister - unregister a client and free the &dma_client
@@ -289,7 +287,6 @@ void dma_async_client_unregister(struct 
 	kfree(client);
 	dma_chans_rebalance();
 }
-EXPORT_SYMBOL(dma_async_client_unregister);
 
 /**
  * dma_async_client_chan_request - request DMA channels
@@ -307,7 +304,6 @@ void dma_async_client_chan_request(struc
 	client->chans_desired = number;
 	dma_chans_rebalance();
 }
-EXPORT_SYMBOL(dma_async_client_chan_request);
 
 /**
  * dma_async_device_register - registers DMA devices found
@@ -350,7 +346,6 @@ int dma_async_device_register(struct dma
 
 	return 0;
 }
-EXPORT_SYMBOL(dma_async_device_register);
 
 /**
  * dma_async_device_cleanup - function called when all references are released
@@ -395,12 +390,23 @@ void dma_async_device_unregister(struct 
 	kref_put(&device->refcount, dma_async_device_cleanup);
 	wait_for_completion(&device->done);
 }
-EXPORT_SYMBOL(dma_async_device_unregister);
 
 static int __init dma_bus_init(void)
 {
 	mutex_init(&dma_list_mutex);
 	return class_register(&dma_devclass);
 }
+
 subsys_initcall(dma_bus_init);
 
+EXPORT_SYMBOL(dma_async_client_register);
+EXPORT_SYMBOL(dma_async_client_unregister);
+EXPORT_SYMBOL(dma_async_client_chan_request);
+EXPORT_SYMBOL(dma_async_memcpy_buf_to_buf);
+EXPORT_SYMBOL(dma_async_memcpy_buf_to_pg);
+EXPORT_SYMBOL(dma_async_memcpy_pg_to_pg);
+EXPORT_SYMBOL(dma_async_memcpy_complete);
+EXPORT_SYMBOL(dma_async_memcpy_issue_pending);
+EXPORT_SYMBOL(dma_async_device_register);
+EXPORT_SYMBOL(dma_async_device_unregister);
+EXPORT_SYMBOL(dma_chan_cleanup);
_