r8169: add helpers for locking / unlocking the config registers

Add helpers for locking / unlocking the config registers.

Signed-off-by: Heiner Kallweit <hkallweit1@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Heiner Kallweit 2019-01-19 22:05:48 +01:00 • committed by David S. Miller
commit df320ed7b3