Commit c5e648f8 authored by Ioana Ciornei's avatar Ioana Ciornei Committed by Greg Kroah-Hartman
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staging: dpaa2-ethsw: move port notifier per ethsw



Register a different net_device notifier block per ethsw instance.
When probing multiple dpaa2-ethsw instances, without this the register
will fail.

Signed-off-by: default avatarIoana Ciornei <ioana.ciornei@nxp.com>
Link: https://lore.kernel.org/r/1573491058-24766-2-git-send-email-ioana.ciornei@nxp.com


Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
parent 7db57ca4
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+6 −7
Original line number Diff line number Diff line
@@ -1174,10 +1174,6 @@ static int port_netdevice_event(struct notifier_block *unused,
	return notifier_from_errno(err);
}

static struct notifier_block port_nb __read_mostly = {
	.notifier_call = port_netdevice_event,
};

struct ethsw_switchdev_event_work {
	struct work_struct work;
	struct switchdev_notifier_fdb_info fdb_info;
@@ -1328,9 +1324,11 @@ static struct notifier_block port_switchdev_blocking_nb = {

static int ethsw_register_notifier(struct device *dev)
{
	struct ethsw_core *ethsw = dev_get_drvdata(dev);
	int err;

	err = register_netdevice_notifier(&port_nb);
	ethsw->port_nb.notifier_call = port_netdevice_event;
	err = register_netdevice_notifier(&ethsw->port_nb);
	if (err) {
		dev_err(dev, "Failed to register netdev notifier\n");
		return err;
@@ -1353,7 +1351,7 @@ static int ethsw_register_notifier(struct device *dev)
err_switchdev_blocking_nb:
	unregister_switchdev_notifier(&port_switchdev_nb);
err_switchdev_nb:
	unregister_netdevice_notifier(&port_nb);
	unregister_netdevice_notifier(&ethsw->port_nb);
	return err;
}

@@ -1491,6 +1489,7 @@ static int ethsw_port_init(struct ethsw_port_priv *port_priv, u16 port)

static void ethsw_unregister_notifier(struct device *dev)
{
	struct ethsw_core *ethsw = dev_get_drvdata(dev);
	struct notifier_block *nb;
	int err;

@@ -1505,7 +1504,7 @@ static void ethsw_unregister_notifier(struct device *dev)
		dev_err(dev,
			"Failed to unregister switchdev notifier (%d)\n", err);

	err = unregister_netdevice_notifier(&port_nb);
	err = unregister_netdevice_notifier(&ethsw->port_nb);
	if (err)
		dev_err(dev,
			"Failed to unregister netdev notifier (%d)\n", err);
+2 −0
Original line number Diff line number Diff line
@@ -66,6 +66,8 @@ struct ethsw_core {

	u8				vlans[VLAN_VID_MASK + 1];
	bool				learning;

	struct notifier_block		port_nb;
};

#endif	/* __ETHSW_H */