[PATCH] enp2611: disable/enable SERDES carrier on interface down/up

Disable/enable the SERDES carrier when an interface is administratively
downed/upped.

Signed-off-by: Lennert Buytenhek <buytenh@wantstofly.org>
Signed-off-by: Jeff Garzik <jgarzik@pobox.com>

1 files changed, 5 insertions, 0 deletions

diff --git a/drivers/net/ixp2000/enp2611.c b/drivers/net/ixp2000/enp2611.c
index 2542e3bacfb..d82651a97ba 100644
--- a/drivers/net/ixp2000/enp2611.c
+++ b/drivers/net/ixp2000/enp2611.c
@@ -175,10 +175,15 @@ static void enp2611_set_port_admin_status(int port, int up)
 {
         if (up) {
                 caleb_enable_rx(port);
+
+                pm3386_set_carrier(port, 1);
                 pm3386_enable_rx(port);
         } else {
                 caleb_disable_tx(port);
                 pm3386_disable_tx(port);
+                /* @@@ Flush out pending packets.  */
+                pm3386_set_carrier(port, 0);
+
                 pm3386_disable_rx(port);
                 caleb_disable_rx(port);
         }