net: mvmdio: slight optimisation of orion_mdio_write

Make only a single call to mutex_unlock in orion_mdio_write.

Signed-off-by: Leigh Brown <leigh@solinno.co.uk>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Leigh Brown 2013-10-29 09:33:33 +00:00 • committed by David S. Miller
commit 526edcf567