dmaengine: centralize channel allocation, introduce dma_find_channel
[linux-2.6.git] / crypto / async_tx / async_memset.c
index 27a97dc..5b5eb99 100644 (file)
@@ -72,19 +72,11 @@ async_memset(struct page *dest, int val, unsigned int offset,
                dest_buf = (void *) (((char *) page_address(dest)) + offset);
 
                /* wait for any prerequisite operations */
-               if (depend_tx) {
-                       /* if ack is already set then we cannot be sure
-                        * we are referring to the correct operation
-                        */
-                       BUG_ON(async_tx_test_ack(depend_tx));
-                       if (dma_wait_for_async_tx(depend_tx) == DMA_ERROR)
-                               panic("%s: DMA_ERROR waiting for depend_tx\n",
-                                       __func__);
-               }
+               async_tx_quiesce(&depend_tx);
 
                memset(dest_buf, val, len);
 
-               async_tx_sync_epilog(flags, depend_tx, cb_fn, cb_param);
+               async_tx_sync_epilog(cb_fn, cb_param);
        }
 
        return tx;