[PATCH v2 23/24] RDMA: add a missing kernel-doc parameter markup

[Mauro Carvalho Chehab <mchehab+huawei@kernel.org>]

Changeset 54816d3e69d1 ("RDMA: Explicitly pass in the dma_device to ib_register_device")
added a new parameter to ib_register_device().

Document it.

Fixes: 54816d3e69d1 ("RDMA: Explicitly pass in the dma_device to ib_register_device")
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
---
 drivers/infiniband/core/device.c | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/drivers/infiniband/core/device.c b/drivers/infiniband/core/device.c
index feaec8d2f0ca..a3b1fc84cdca 100644
--- a/drivers/infiniband/core/device.c
+++ b/drivers/infiniband/core/device.c
@@ -1318,7 +1318,10 @@ static void prevent_dealloc_device(struct ib_device *ib_dev)
  * ib_register_device - Register an IB device with IB core
  * @device: Device to register
  * @name: unique string device name. This may include a '%' which will
- * cause a unique index to be added to the passed device name.
+ * 	  cause a unique index to be added to the passed device name.
+ * @dma_device: pointer to a DMA-capable device. If %NULL, then the IB
+ *	        device will be used. In this case the caller should fully
+ *		setup the ibdev for DMA. This usually means using dma_virt_ops.
  *
  * Low-level drivers use ib_register_device() to register their
  * devices with the IB core.  All registered clients will receive a
-- 
2.26.2