1 files changed, 15 insertions, 12 deletions
diff --git a/drivers/dma-buf/dma-heap.c b/drivers/dma-buf/dma-heap.c
index 2298ca5e112e..3cbe87d4a464 100644
--- a/drivers/dma-buf/dma-heap.c
+++ b/drivers/dma-buf/dma-heap.c
@@ -7,17 +7,15 @@
  */
 
 #include <linux/cdev.h>
-#include <linux/debugfs.h>
 #include <linux/device.h>
 #include <linux/dma-buf.h>
+#include <linux/dma-heap.h>
 #include <linux/err.h>
-#include <linux/xarray.h>
 #include <linux/list.h>
-#include <linux/slab.h>
 #include <linux/nospec.h>
-#include <linux/uaccess.h>
 #include <linux/syscalls.h>
-#include <linux/dma-heap.h>
+#include <linux/uaccess.h>
+#include <linux/xarray.h>
 #include <uapi/linux/dma-heap.h>
 
 #define DEVNAME "dma_heap"
@@ -28,9 +26,10 @@
  * struct dma_heap - represents a dmabuf heap in the system
  * @name:		used for debugging/device-node name
  * @ops:		ops struct for this heap
- * @heap_devt		heap device node
- * @list		list head connecting to list of heaps
- * @heap_cdev		heap char device
+ * @priv:		private data for this heap
+ * @heap_devt:		heap device node
+ * @list:		list head connecting to list of heaps
+ * @heap_cdev:		heap char device
  *
  * Represents a heap of memory from which buffers can be made.
  */
@@ -193,11 +192,11 @@ static const struct file_operations dma_heap_fops = {
 };
 
 /**
- * dma_heap_get_drvdata() - get per-subdriver data for the heap
+ * dma_heap_get_drvdata - get per-heap driver data
  * @heap: DMA-Heap to retrieve private data for
  *
  * Returns:
- * The per-subdriver data for the heap.
+ * The per-heap data for the heap.
  */
 void *dma_heap_get_drvdata(struct dma_heap *heap)
 {
@@ -205,8 +204,8 @@ void *dma_heap_get_drvdata(struct dma_heap *heap)
 }
 
 /**
- * dma_heap_get_name() - get heap name
- * @heap: DMA-Heap to retrieve private data for
+ * dma_heap_get_name - get heap name
+ * @heap: DMA-Heap to retrieve the name of
  *
  * Returns:
  * The char* for the heap name.
@@ -216,6 +215,10 @@ const char *dma_heap_get_name(struct dma_heap *heap)
 	return heap->name;
 }
 
+/**
+ * dma_heap_add - adds a heap to dmabuf heaps
+ * @exp_info: information needed to register this heap
+ */
 struct dma_heap *dma_heap_add(const struct dma_heap_export_info *exp_info)
 {
 	struct dma_heap *heap, *h, *err_ret;