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-rw-r--r--include/linux/dmaengine.h4
1 files changed, 2 insertions, 2 deletions
diff --git a/include/linux/dmaengine.h b/include/linux/dmaengine.h
index 64461fc64e1b..7adc007f2023 100644
--- a/include/linux/dmaengine.h
+++ b/include/linux/dmaengine.h
@@ -336,13 +336,11 @@ struct dma_chan {
* @chan: driver channel device
* @device: sysfs device
* @dev_id: parent dma_device dev_id
- * @idr_ref: reference count to gate release of dma_device dev_id
*/
struct dma_chan_dev {
struct dma_chan *chan;
struct device device;
int dev_id;
- atomic_t *idr_ref;
};
/**
@@ -827,6 +825,8 @@ struct dma_device {
int dev_id;
struct device *dev;
struct module *owner;
+ struct ida chan_ida;
+ struct mutex chan_mutex; /* to protect chan_ida */
u32 src_addr_widths;
u32 dst_addr_widths;