[PATCH net 7/7] net: mscc: ocelot: unregister net devices on unbind

[Vladimir Oltean]

From: Vladimir Oltean <vladimir.olt...@nxp.com>

This driver was not unregistering its network interfaces on unbind.
Now it is.

Signed-off-by: Vladimir Oltean <vladimir.olt...@nxp.com>
---
 drivers/net/ethernet/mscc/ocelot_vsc7514.c | 22 ++++++++++++++++++++++
 1 file changed, 22 insertions(+)

diff --git a/drivers/net/ethernet/mscc/ocelot_vsc7514.c 
b/drivers/net/ethernet/mscc/ocelot_vsc7514.c
index 851e79e11aed..b8f895483653 100644
--- a/drivers/net/ethernet/mscc/ocelot_vsc7514.c
+++ b/drivers/net/ethernet/mscc/ocelot_vsc7514.c
@@ -896,6 +896,26 @@ static struct ptp_clock_info ocelot_ptp_clock_info = {
        .enable         = ocelot_ptp_enable,
 };
 
+static void mscc_ocelot_release_ports(struct ocelot *ocelot)
+{
+       int port;
+
+       for (port = 0; port < ocelot->num_phys_ports; port++) {
+               struct ocelot_port_private *priv;
+               struct ocelot_port *ocelot_port;
+
+               ocelot_port = ocelot->ports[port];
+               if (!ocelot_port)
+                       continue;
+
+               priv = container_of(ocelot_port, struct ocelot_port_private,
+                                   port);
+
+               unregister_netdev(priv->dev);
+               free_netdev(priv->dev);
+       }
+}
+
 static int mscc_ocelot_init_ports(struct platform_device *pdev)
 {
        struct ocelot *ocelot = platform_get_drvdata(pdev);
@@ -1008,6 +1028,7 @@ static int mscc_ocelot_init_ports(struct platform_device 
*pdev)
 
 out_put_ports:
        of_node_put(ports);
+       mscc_ocelot_release_ports(ocelot);
        return err;
 }
 
@@ -1132,6 +1153,7 @@ static int mscc_ocelot_remove(struct platform_device 
*pdev)
        struct ocelot *ocelot = platform_get_drvdata(pdev);
 
        ocelot_deinit_timestamp(ocelot);
+       mscc_ocelot_release_ports(ocelot);
        ocelot_deinit(ocelot);
        unregister_switchdev_blocking_notifier(&ocelot_switchdev_blocking_nb);
        unregister_switchdev_notifier(&ocelot_switchdev_nb);
-- 
2.25.1