RDMA/hw/hfi1/qp: Fix some formatting issues and demote kernel-doc abuse

Fixes the following W=1 kernel build warning(s):

 drivers/infiniband/hw/hfi1/qp.c:195: warning: Function parameter or member 'dev' not described in 'verbs_mtu_enum_to_int'
 drivers/infiniband/hw/hfi1/qp.c:195: warning: Function parameter or member 'mtu' not described in 'verbs_mtu_enum_to_int'
 drivers/infiniband/hw/hfi1/qp.c:306: warning: Function parameter or member 'qp' not described in 'hfi1_setup_wqe'
 drivers/infiniband/hw/hfi1/qp.c:306: warning: Function parameter or member 'wqe' not described in 'hfi1_setup_wqe'
 drivers/infiniband/hw/hfi1/qp.c:306: warning: Function parameter or member 'call_send' not described in 'hfi1_setup_wqe'
 drivers/infiniband/hw/hfi1/qp.c:922: warning: Function parameter or member 'qp' not described in 'hfi1_qp_iter_cb'
 drivers/infiniband/hw/hfi1/qp.c:922: warning: Function parameter or member 'v' not described in 'hfi1_qp_iter_cb'

Link: https://lore.kernel.org/r/20210126124732.3320971-13-lee.jones@linaro.org
Cc: Mike Marciniszyn <mike.marciniszyn@cornelisnetworks.com>
Cc: Dennis Dalessandro <dennis.dalessandro@cornelisnetworks.com>
Cc: Doug Ledford <dledford@redhat.com>
Cc: Jason Gunthorpe <jgg@ziepe.ca>
Cc: linux-rdma@vger.kernel.org
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>

drivers/infiniband/hw/hfi1/qp.c

@@ -186,7 +186,7 @@ static void flush_iowait(struct rvt_qp *qp)
 	write_sequnlock_irqrestore(lock, flags);
 }
 
-/**
+/*
  * This function is what we would push to the core layer if we wanted to be a
  * "first class citizen".  Instead we hide this here and rely on Verbs ULPs
  * to blindly pass the MTU enum value from the PathRecord to us.
@@ -289,9 +289,9 @@ void hfi1_modify_qp(struct rvt_qp *qp, struct ib_qp_attr *attr,
 
 /**
  * hfi1_setup_wqe - set up the wqe
- * @qp - The qp
- * @wqe - The built wqe
- * @call_send - Determine if the send should be posted or scheduled.
+ * @qp: The qp
+ * @wqe: The built wqe
+ * @call_send: Determine if the send should be posted or scheduled.
  *
  * Perform setup of the wqe.  This is called
  * prior to inserting the wqe into the ring but after
@@ -595,7 +595,7 @@ struct sdma_engine *qp_to_sdma_engine(struct rvt_qp *qp, u8 sc5)
 	return sde;
 }
 
-/*
+/**
  * qp_to_send_context - map a qp to a send context
  * @qp: the QP
  * @sc5: the 5 bit sc
@@ -912,8 +912,8 @@ void notify_error_qp(struct rvt_qp *qp)
 
 /**
  * hfi1_qp_iter_cb - callback for iterator
- * @qp - the qp
- * @v - the sl in low bits of v
+ * @qp: the qp
+ * @v: the sl in low bits of v
  *
  * This is called from the iterator callback to work
  * on an individual qp.