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-rw-r--r--include/linux/dmaengine.h2
1 files changed, 2 insertions, 0 deletions
diff --git a/include/linux/dmaengine.h b/include/linux/dmaengine.h
index 3e68469c188..f0413845f20 100644
--- a/include/linux/dmaengine.h
+++ b/include/linux/dmaengine.h
@@ -121,6 +121,7 @@ struct dma_chan_percpu {
* @local: per-cpu pointer to a struct dma_chan_percpu
* @client-count: how many clients are using this channel
* @table_count: number of appearances in the mem-to-mem allocation table
+ * @private: private data for certain client-channel associations
*/
struct dma_chan {
struct dma_device *device;
@@ -134,6 +135,7 @@ struct dma_chan {
struct dma_chan_percpu *local;
int client_count;
int table_count;
+ void *private;
};
/**