net: bcmgenet: add begin/complete ethtool ops

Make sure clock is enabled for ethtool ops.

Fixes: 1c1008c793fa ("net: bcmgenet: add main driver file")
Signed-off-by: Edwin Chan <edwin.chan@broadcom.com>
Signed-off-by: Doug Berger <opendmb@gmail.com>
Reviewed-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

1 files changed, 18 insertions, 0 deletions

diff --git a/drivers/net/ethernet/broadcom/genet/bcmgenet.c b/drivers/net/ethernet/broadcom/genet/bcmgenet.c
index f93098840775..ec1f3014e410 100644
--- a/drivers/net/ethernet/broadcom/genet/bcmgenet.c
+++ b/drivers/net/ethernet/broadcom/genet/bcmgenet.c
@@ -450,6 +450,22 @@ static inline void bcmgenet_rdma_ring_writel(struct bcmgenet_priv *priv,
                         genet_dma_ring_regs[r]);
 }
 
+static int bcmgenet_begin(struct net_device *dev)
+{
+        struct bcmgenet_priv *priv = netdev_priv(dev);
+
+        /* Turn on the clock */
+        return clk_prepare_enable(priv->clk);
+}
+
+static void bcmgenet_complete(struct net_device *dev)
+{
+        struct bcmgenet_priv *priv = netdev_priv(dev);
+
+        /* Turn off the clock */
+        clk_disable_unprepare(priv->clk);
+}
+
 static int bcmgenet_get_link_ksettings(struct net_device *dev,
                                        struct ethtool_link_ksettings *cmd)
 {
@@ -1022,6 +1038,8 @@ static int bcmgenet_set_eee(struct net_device *dev, struct ethtool_eee *e)
 
 /* standard ethtool support functions. */
 static const struct ethtool_ops bcmgenet_ethtool_ops = {
+        .begin                  = bcmgenet_begin,
+        .complete               = bcmgenet_complete,
         .get_strings            = bcmgenet_get_strings,
         .get_sset_count         = bcmgenet_get_sset_count,
         .get_ethtool_stats      = bcmgenet_get_ethtool_stats,