diff options
Diffstat (limited to 'drivers/net/macb.c')
| -rw-r--r-- | drivers/net/macb.c | 100 |
1 files changed, 74 insertions, 26 deletions
diff --git a/drivers/net/macb.c b/drivers/net/macb.c index 92dccd43bdca..01f7a31bac76 100644 --- a/drivers/net/macb.c +++ b/drivers/net/macb.c @@ -21,8 +21,8 @@ #include <linux/platform_device.h> #include <linux/phy.h> -#include <asm/arch/board.h> -#include <asm/arch/cpu.h> +#include <mach/board.h> +#include <mach/cpu.h> #include "macb.h" @@ -80,8 +80,12 @@ static void __init macb_get_hwaddr(struct macb *bp) addr[4] = top & 0xff; addr[5] = (top >> 8) & 0xff; - if (is_valid_ether_addr(addr)) + if (is_valid_ether_addr(addr)) { memcpy(bp->dev->dev_addr, addr, sizeof(addr)); + } else { + dev_info(&bp->pdev->dev, "invalid hw address, using random\n"); + random_ether_addr(bp->dev->dev_addr); + } } static int macb_mdio_read(struct mii_bus *bus, int mii_id, int regnum) @@ -160,9 +164,7 @@ static void macb_handle_link_change(struct net_device *dev) } if (phydev->link != bp->link) { - if (phydev->link) - netif_schedule(dev); - else { + if (!phydev->link) { bp->speed = 0; bp->duplex = -1; } @@ -193,8 +195,8 @@ static int macb_mii_probe(struct net_device *dev) /* find the first phy */ for (phy_addr = 0; phy_addr < PHY_MAX_ADDR; phy_addr++) { - if (bp->mii_bus.phy_map[phy_addr]) { - phydev = bp->mii_bus.phy_map[phy_addr]; + if (bp->mii_bus->phy_map[phy_addr]) { + phydev = bp->mii_bus->phy_map[phy_addr]; break; } } @@ -242,30 +244,36 @@ static int macb_mii_init(struct macb *bp) /* Enable managment port */ macb_writel(bp, NCR, MACB_BIT(MPE)); - bp->mii_bus.name = "MACB_mii_bus"; - bp->mii_bus.read = &macb_mdio_read; - bp->mii_bus.write = &macb_mdio_write; - bp->mii_bus.reset = &macb_mdio_reset; - snprintf(bp->mii_bus.id, MII_BUS_ID_SIZE, "%x", bp->pdev->id); - bp->mii_bus.priv = bp; - bp->mii_bus.dev = &bp->dev->dev; + bp->mii_bus = mdiobus_alloc(); + if (bp->mii_bus == NULL) { + err = -ENOMEM; + goto err_out; + } + + bp->mii_bus->name = "MACB_mii_bus"; + bp->mii_bus->read = &macb_mdio_read; + bp->mii_bus->write = &macb_mdio_write; + bp->mii_bus->reset = &macb_mdio_reset; + snprintf(bp->mii_bus->id, MII_BUS_ID_SIZE, "%x", bp->pdev->id); + bp->mii_bus->priv = bp; + bp->mii_bus->parent = &bp->dev->dev; pdata = bp->pdev->dev.platform_data; if (pdata) - bp->mii_bus.phy_mask = pdata->phy_mask; + bp->mii_bus->phy_mask = pdata->phy_mask; - bp->mii_bus.irq = kmalloc(sizeof(int)*PHY_MAX_ADDR, GFP_KERNEL); - if (!bp->mii_bus.irq) { + bp->mii_bus->irq = kmalloc(sizeof(int)*PHY_MAX_ADDR, GFP_KERNEL); + if (!bp->mii_bus->irq) { err = -ENOMEM; - goto err_out; + goto err_out_free_mdiobus; } for (i = 0; i < PHY_MAX_ADDR; i++) - bp->mii_bus.irq[i] = PHY_POLL; + bp->mii_bus->irq[i] = PHY_POLL; - platform_set_drvdata(bp->dev, &bp->mii_bus); + platform_set_drvdata(bp->dev, bp->mii_bus); - if (mdiobus_register(&bp->mii_bus)) + if (mdiobus_register(bp->mii_bus)) goto err_out_free_mdio_irq; if (macb_mii_probe(bp->dev) != 0) { @@ -275,9 +283,11 @@ static int macb_mii_init(struct macb *bp) return 0; err_out_unregister_bus: - mdiobus_unregister(&bp->mii_bus); + mdiobus_unregister(bp->mii_bus); err_out_free_mdio_irq: - kfree(bp->mii_bus.irq); + kfree(bp->mii_bus->irq); +err_out_free_mdiobus: + mdiobus_free(bp->mii_bus); err_out: return err; } @@ -1259,8 +1269,9 @@ static int __exit macb_remove(struct platform_device *pdev) bp = netdev_priv(dev); if (bp->phy_dev) phy_disconnect(bp->phy_dev); - mdiobus_unregister(&bp->mii_bus); - kfree(bp->mii_bus.irq); + mdiobus_unregister(bp->mii_bus); + kfree(bp->mii_bus->irq); + mdiobus_free(bp->mii_bus); unregister_netdev(dev); free_irq(dev->irq, dev); iounmap(bp->regs); @@ -1277,8 +1288,45 @@ static int __exit macb_remove(struct platform_device *pdev) return 0; } +#ifdef CONFIG_PM +static int macb_suspend(struct platform_device *pdev, pm_message_t state) +{ + struct net_device *netdev = platform_get_drvdata(pdev); + struct macb *bp = netdev_priv(netdev); + + netif_device_detach(netdev); + +#ifndef CONFIG_ARCH_AT91 + clk_disable(bp->hclk); +#endif + clk_disable(bp->pclk); + + return 0; +} + +static int macb_resume(struct platform_device *pdev) +{ + struct net_device *netdev = platform_get_drvdata(pdev); + struct macb *bp = netdev_priv(netdev); + + clk_enable(bp->pclk); +#ifndef CONFIG_ARCH_AT91 + clk_enable(bp->hclk); +#endif + + netif_device_attach(netdev); + + return 0; +} +#else +#define macb_suspend NULL +#define macb_resume NULL +#endif + static struct platform_driver macb_driver = { .remove = __exit_p(macb_remove), + .suspend = macb_suspend, + .resume = macb_resume, .driver = { .name = "macb", .owner = THIS_MODULE, |