[PATCH] rpmsg: virtio: fix compilation warning for virtio_rpmsg_channel description

[Arnaud Pouliquen]

Complete the virtio_rpmsg_channel structure description to fix a
compilation warning with W=1 option:

drivers/rpmsg/virtio_rpmsg_bus.c:95: warning: Cannot understand
 * @vrp: the remote processor this channel belongs to

Signed-off-by: Arnaud Pouliquen <arnaud.pouliquen@xxxxxx>
---
 drivers/rpmsg/virtio_rpmsg_bus.c | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/drivers/rpmsg/virtio_rpmsg_bus.c b/drivers/rpmsg/virtio_rpmsg_bus.c
index 9006fc7f73d0..7d7ed4e5cce7 100644
--- a/drivers/rpmsg/virtio_rpmsg_bus.c
+++ b/drivers/rpmsg/virtio_rpmsg_bus.c
@@ -123,7 +123,12 @@ enum rpmsg_ns_flags {
 };
 
 /**
- * @vrp: the remote processor this channel belongs to
+ * struct virtio_rpmsg_channel - rpmsg channel descriptor
+ * @rpdev: the rpmsg channel device
+ * @vrp: the virtio remote processor device this channel belongs to
+ *
+ * This structure stores the channel that links the rpmsg device to the virtio
+ * remote processor device.
  */
 struct virtio_rpmsg_channel {
 	struct rpmsg_device rpdev;
-- 
2.17.1