gianfar: Add change_carrier() for Fixed PHYs

This allows to control carrier from /sys/class/net/ethX/carrier
for Fixed PHYs.

Signed-off-by: Joakim Tjernlund <joakim.tjernlund@infinera.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Joakim Tjernlund 2018-12-14 15:17:07 +01:00 • committed by David S. Miller
commit 6211d46713