lists.openwall.net   lists  /  announce  owl-users  owl-dev  john-users  john-dev  passwdqc-users  yescrypt  popa3d-users  /  oss-security  kernel-hardening  musl  sabotage  tlsify  passwords  /  crypt-dev  xvendor  /  Bugtraq  Full-Disclosure  linux-kernel  linux-netdev  linux-ext4  linux-hardening  PHC 
Open Source and information security mailing list archives
 
Hash Suite: Windows password security audit tool. GUI, reports in PDF.
[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]
Date:   Sun, 28 Apr 2019 02:56:21 +0200
From:   Andrew Lunn <andrew@...n.ch>
To:     David Miller <davem@...emloft.net>
Cc:     netdev <netdev@...r.kernel.org>,
        Florian Fainelli <f.fainelli@...il.com>,
        Vivien Didelot <vivien.didelot@...il.com>,
        Andrew Lunn <andrew@...n.ch>
Subject: [PATCH net-next 1/4] net: dsa: mv88e6060: Support probing as an mdio device

Probing DSA devices as platform devices has been superseded by using
normal bus drivers. Add support for probing the mv88e6060 device as an
mdio device.

Signed-off-by: Andrew Lunn <andrew@...n.ch>
---
 drivers/net/dsa/mv88e6060.c | 59 ++++++++++++++++++++++++++++++++++++-
 1 file changed, 58 insertions(+), 1 deletion(-)

diff --git a/drivers/net/dsa/mv88e6060.c b/drivers/net/dsa/mv88e6060.c
index 4ca06b3b9d4f..93ed23c5b31f 100644
--- a/drivers/net/dsa/mv88e6060.c
+++ b/drivers/net/dsa/mv88e6060.c
@@ -276,15 +276,72 @@ static struct dsa_switch_driver mv88e6060_switch_drv = {
 	.ops		= &mv88e6060_switch_ops,
 };
 
+static int mv88e6060_probe(struct mdio_device *mdiodev)
+{
+	struct device *dev = &mdiodev->dev;
+	struct mv88e6060_priv *priv;
+	struct dsa_switch *ds;
+	const char *name;
+
+	priv = devm_kzalloc(dev, sizeof(*priv), GFP_KERNEL);
+	if (!priv)
+		return -ENOMEM;
+
+	priv->bus = mdiodev->bus;
+	priv->sw_addr = mdiodev->addr;
+
+	name = mv88e6060_get_name(priv->bus, priv->sw_addr);
+	if (!name)
+		return -ENODEV;
+
+	dev_info(dev, "switch %s detected\n", name);
+
+	ds = dsa_switch_alloc(dev, MV88E6060_PORTS);
+	if (!ds)
+		return -ENOMEM;
+
+	ds->priv = priv;
+	ds->dev = dev;
+	ds->ops = &mv88e6060_switch_ops;
+
+	dev_set_drvdata(dev, ds);
+
+	return dsa_register_switch(ds);
+}
+
+static void mv88e6060_remove(struct mdio_device *mdiodev)
+{
+	struct dsa_switch *ds = dev_get_drvdata(&mdiodev->dev);
+
+	dsa_unregister_switch(ds);
+}
+
+static const struct of_device_id mv88e6060_of_match[] = {
+	{
+		.compatible = "marvell,mv88e6060",
+	},
+	{ /* sentinel */ },
+};
+
+static struct mdio_driver mv88e6060_driver = {
+	.probe	= mv88e6060_probe,
+	.remove = mv88e6060_remove,
+	.mdiodrv.driver = {
+		.name = "mv88e6060",
+		.of_match_table = mv88e6060_of_match,
+	},
+};
+
 static int __init mv88e6060_init(void)
 {
 	register_switch_driver(&mv88e6060_switch_drv);
-	return 0;
+	return mdio_driver_register(&mv88e6060_driver);
 }
 module_init(mv88e6060_init);
 
 static void __exit mv88e6060_cleanup(void)
 {
+	mdio_driver_unregister(&mv88e6060_driver);
 	unregister_switch_driver(&mv88e6060_switch_drv);
 }
 module_exit(mv88e6060_cleanup);
-- 
2.20.1

Powered by blists - more mailing lists