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path: root/drivers/net/ethernet/freescale/dpaa2/dpaa2-mac.c
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Diffstat (limited to 'drivers/net/ethernet/freescale/dpaa2/dpaa2-mac.c')
-rw-r--r--drivers/net/ethernet/freescale/dpaa2/dpaa2-mac.c22
1 files changed, 17 insertions, 5 deletions
diff --git a/drivers/net/ethernet/freescale/dpaa2/dpaa2-mac.c b/drivers/net/ethernet/freescale/dpaa2/dpaa2-mac.c
index 49ff85633783..c886f33f8c6f 100644
--- a/drivers/net/ethernet/freescale/dpaa2/dpaa2-mac.c
+++ b/drivers/net/ethernet/freescale/dpaa2/dpaa2-mac.c
@@ -105,6 +105,7 @@ static struct fwnode_handle *dpaa2_mac_get_node(struct device *dev,
* thus the fwnode field is not yet set. Defer probe if we are
* facing this situation.
*/
+ dev_dbg(dev, "dprc not finished probing\n");
return ERR_PTR(-EPROBE_DEFER);
}
@@ -235,7 +236,6 @@ static void dpaa2_mac_link_down(struct phylink_config *config,
}
static const struct phylink_mac_ops dpaa2_mac_phylink_ops = {
- .validate = phylink_generic_validate,
.mac_select_pcs = dpaa2_mac_select_pcs,
.mac_config = dpaa2_mac_config,
.mac_link_up = dpaa2_mac_link_up,
@@ -264,8 +264,10 @@ static int dpaa2_pcs_create(struct dpaa2_mac *mac,
mdiodev = fwnode_mdio_find_device(node);
fwnode_handle_put(node);
- if (!mdiodev)
+ if (!mdiodev) {
+ netdev_dbg(mac->net_dev, "missing PCS device\n");
return -EPROBE_DEFER;
+ }
mac->pcs = lynx_pcs_create(mdiodev);
if (!mac->pcs) {
@@ -336,12 +338,20 @@ static void dpaa2_mac_set_supported_interfaces(struct dpaa2_mac *mac)
void dpaa2_mac_start(struct dpaa2_mac *mac)
{
+ ASSERT_RTNL();
+
if (mac->serdes_phy)
phy_power_on(mac->serdes_phy);
+
+ phylink_start(mac->phylink);
}
void dpaa2_mac_stop(struct dpaa2_mac *mac)
{
+ ASSERT_RTNL();
+
+ phylink_stop(mac->phylink);
+
if (mac->serdes_phy)
phy_power_off(mac->serdes_phy);
}
@@ -420,7 +430,9 @@ int dpaa2_mac_connect(struct dpaa2_mac *mac)
}
mac->phylink = phylink;
+ rtnl_lock();
err = phylink_fwnode_phy_connect(mac->phylink, dpmac_node, 0);
+ rtnl_unlock();
if (err) {
netdev_err(net_dev, "phylink_fwnode_phy_connect() = %d\n", err);
goto err_phylink_destroy;
@@ -438,10 +450,10 @@ err_pcs_destroy:
void dpaa2_mac_disconnect(struct dpaa2_mac *mac)
{
- if (!mac->phylink)
- return;
-
+ rtnl_lock();
phylink_disconnect_phy(mac->phylink);
+ rtnl_unlock();
+
phylink_destroy(mac->phylink);
dpaa2_pcs_destroy(mac);
of_phy_put(mac->serdes_phy);