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-rw-r--r--drivers/misc/mei/dma-ring.c4
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/misc/mei/dma-ring.c b/drivers/misc/mei/dma-ring.c
index e5d800e68cb1..651e77ef82bd 100644
--- a/drivers/misc/mei/dma-ring.c
+++ b/drivers/misc/mei/dma-ring.c
@@ -124,6 +124,8 @@ void mei_dma_ring_reset(struct mei_device *dev)
* @buf: data buffer
* @offset: offset in slots.
* @n: number of slots to copy.
+ *
+ * Return: number of bytes copied
*/
static size_t mei_dma_copy_from(struct mei_device *dev, unsigned char *buf,
u32 offset, u32 n)
@@ -144,6 +146,8 @@ static size_t mei_dma_copy_from(struct mei_device *dev, unsigned char *buf,
* @buf: data buffer
* @offset: offset in slots.
* @n: number of slots to copy.
+ *
+ * Return: number of bytes copied
*/
static size_t mei_dma_copy_to(struct mei_device *dev, unsigned char *buf,
u32 offset, u32 n)