[ixp4xx] experimental multiphy support for 2.6.29
[openwrt.git] / target / linux / ixp4xx / patches-2.6.29 / 205-npe_driver_separate_phy_functions.patch
1 --- a/drivers/net/arm/ixp4xx_eth.c
2 +++ b/drivers/net/arm/ixp4xx_eth.c
3 @@ -394,6 +394,53 @@ static void ixp4xx_adjust_link(struct ne
4                dev->name, port->speed, port->duplex ? "full" : "half");
5  }
6  
7 +static int ixp4xx_phy_connect(struct net_device *dev)
8 +{
9 +       struct port *port = netdev_priv(dev);
10 +       struct eth_plat_info *plat = port->plat;
11 +       char phy_id[BUS_ID_SIZE];
12 +
13 +       snprintf(phy_id, BUS_ID_SIZE, PHY_ID_FMT, "0", plat->phy);
14 +       port->phydev = phy_connect(dev, phy_id, &ixp4xx_adjust_link, 0,
15 +                                  PHY_INTERFACE_MODE_MII);
16 +       if (IS_ERR(port->phydev)) {
17 +               printk(KERN_ERR "%s: Could not attach to PHY\n", dev->name);
18 +               return PTR_ERR(port->phydev);
19 +       }
20 +
21 +       /* mask with MAC supported features */
22 +       port->phydev->supported &= PHY_BASIC_FEATURES;
23 +       port->phydev->advertising = port->phydev->supported;
24 +
25 +       port->phydev->irq = PHY_POLL;
26 +
27 +       printk(KERN_INFO "%s: MII PHY %i on %s\n", dev->name, plat->phy,
28 +              npe_name(port->npe));
29 +
30 +       return 0;
31 +}
32 +
33 +static void ixp4xx_phy_disconnect(struct net_device *dev)
34 +{
35 +       struct port *port = netdev_priv(dev);
36 +
37 +       phy_disconnect(port->phydev);
38 +}
39 +
40 +static void ixp4xx_phy_start(struct net_device *dev)
41 +{
42 +       struct port *port = netdev_priv(dev);
43 +
44 +       port->speed = 0;        /* force "link up" message */
45 +       phy_start(port->phydev);
46 +}
47 +
48 +static void ixp4xx_phy_stop(struct net_device *dev)
49 +{
50 +       struct port *port = netdev_priv(dev);
51 +
52 +       phy_stop(port->phydev);
53 +}
54  
55  static inline void debug_pkt(struct net_device *dev, const char *func,
56                              u8 *data, int len)
57 @@ -1001,8 +1048,7 @@ static int eth_open(struct net_device *d
58                 return err;
59         }
60  
61 -       port->speed = 0;        /* force "link up" message */
62 -       phy_start(port->phydev);
63 +       ixp4xx_phy_start(dev);
64  
65         for (i = 0; i < ETH_ALEN; i++)
66                 __raw_writel(dev->dev_addr[i], &port->regs->hw_addr[i]);
67 @@ -1123,7 +1169,7 @@ static int eth_close(struct net_device *
68                 printk(KERN_CRIT "%s: unable to disable loopback\n",
69                        dev->name);
70  
71 -       phy_stop(port->phydev);
72 +       ixp4xx_phy_stop(dev);
73  
74         if (!ports_open)
75                 qmgr_disable_irq(TXDONE_QUEUE);
76 @@ -1147,7 +1193,6 @@ static int __devinit eth_init_one(struct
77         struct net_device *dev;
78         struct eth_plat_info *plat = pdev->dev.platform_data;
79         u32 regs_phys;
80 -       char phy_id[BUS_ID_SIZE];
81         int err;
82  
83         if (!(dev = alloc_etherdev(sizeof(struct port))))
84 @@ -1210,22 +1255,9 @@ static int __devinit eth_init_one(struct
85         __raw_writel(DEFAULT_CORE_CNTRL, &port->regs->core_control);
86         udelay(50);
87  
88 -       snprintf(phy_id, BUS_ID_SIZE, PHY_ID_FMT, "0", plat->phy);
89 -       port->phydev = phy_connect(dev, phy_id, &ixp4xx_adjust_link, 0,
90 -                                  PHY_INTERFACE_MODE_MII);
91 -       if (IS_ERR(port->phydev)) {
92 -               printk(KERN_ERR "%s: Could not attach to PHY\n", dev->name);
93 -               return PTR_ERR(port->phydev);
94 -       }
95 -
96 -       /* mask with MAC supported features */
97 -       port->phydev->supported &= PHY_BASIC_FEATURES;
98 -       port->phydev->advertising = port->phydev->supported;
99 -
100 -       port->phydev->irq = PHY_POLL;
101 -
102 -       printk(KERN_INFO "%s: MII PHY %i on %s\n", dev->name, plat->phy,
103 -              npe_name(port->npe));
104 +       err = ixp4xx_phy_connect(dev);
105 +       if (err)
106 +               goto err_unreg;
107  
108         return 0;
109  
110 @@ -1243,7 +1275,7 @@ static int __devexit eth_remove_one(stru
111         struct net_device *dev = platform_get_drvdata(pdev);
112         struct port *port = netdev_priv(dev);
113  
114 -       phy_disconnect(port->phydev);
115 +       ixp4xx_phy_disconnect(dev);
116         unregister_netdev(dev);
117         npe_port_tab[NPE_ID(port->id)] = NULL;
118         platform_set_drvdata(pdev, NULL);