Merge branch 'smc-updates'

Wenjia Zhang says:

====================
net/smc: updates 2022-07-25

please apply the following patches to netdev's net-next tree.

These patches do some preparation to make ISM available for uses beyond
SMC-D, and a bunch of cleanups.

v2: add "Reviewed-by: Tony Lu <tonylu@linux.alibaba.com>"
====================

Signed-off-by: David S. Miller <davem@davemloft.net>