net: plip: use new parport device model
authorSudip Mukherjee <sudipm.mukherjee@gmail.com>
Thu, 7 Jan 2016 10:12:37 +0000 (15:42 +0530)
committerDavid S. Miller <davem@davemloft.net>
Sun, 10 Jan 2016 02:02:05 +0000 (21:02 -0500)
Modify plip driver to use the new parallel port device model.

Signed-off-by: Sudip Mukherjee <sudip@vectorindia.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
drivers/net/plip/plip.c

index 040b897..9c4b41a 100644 (file)
@@ -1249,6 +1249,7 @@ static void plip_attach (struct parport *port)
        struct net_device *dev;
        struct net_local *nl;
        char name[IFNAMSIZ];
+       struct pardev_cb plip_cb;
 
        if ((parport[0] == -1 && (!timid || !port->devices)) ||
            plip_searchfor(parport, port->number)) {
@@ -1273,9 +1274,15 @@ static void plip_attach (struct parport *port)
 
                nl = netdev_priv(dev);
                nl->dev = dev;
-               nl->pardev = parport_register_device(port, dev->name, plip_preempt,
-                                                plip_wakeup, plip_interrupt,
-                                                0, dev);
+
+               memset(&plip_cb, 0, sizeof(plip_cb));
+               plip_cb.private = dev;
+               plip_cb.preempt = plip_preempt;
+               plip_cb.wakeup = plip_wakeup;
+               plip_cb.irq_func = plip_interrupt;
+
+               nl->pardev = parport_register_dev_model(port, dev->name,
+                                                       &plip_cb, unit);
 
                if (!nl->pardev) {
                        printk(KERN_ERR "%s: parport_register failed\n", name);
@@ -1315,10 +1322,23 @@ static void plip_detach (struct parport *port)
        /* Nothing to do */
 }
 
+static int plip_probe(struct pardevice *par_dev)
+{
+       struct device_driver *drv = par_dev->dev.driver;
+       int len = strlen(drv->name);
+
+       if (strncmp(par_dev->name, drv->name, len))
+               return -ENODEV;
+
+       return 0;
+}
+
 static struct parport_driver plip_driver = {
-       .name   = "plip",
-       .attach = plip_attach,
-       .detach = plip_detach
+       .name           = "plip",
+       .probe          = plip_probe,
+       .match_port     = plip_attach,
+       .detach         = plip_detach,
+       .devmodel       = true,
 };
 
 static void __exit plip_cleanup_module (void)
@@ -1326,8 +1346,6 @@ static void __exit plip_cleanup_module (void)
        struct net_device *dev;
        int i;
 
-       parport_unregister_driver (&plip_driver);
-
        for (i=0; i < PLIP_MAX; i++) {
                if ((dev = dev_plip[i])) {
                        struct net_local *nl = netdev_priv(dev);
@@ -1339,6 +1357,8 @@ static void __exit plip_cleanup_module (void)
                        dev_plip[i] = NULL;
                }
        }
+
+       parport_unregister_driver(&plip_driver);
 }
 
 #ifndef MODULE