diff options
Diffstat (limited to 'drivers/net/macb.c')
| -rw-r--r-- | drivers/net/macb.c | 47 |
1 files changed, 43 insertions, 4 deletions
diff --git a/drivers/net/macb.c b/drivers/net/macb.c index 92dccd43bdca..daba82bbcb56 100644 --- a/drivers/net/macb.c +++ b/drivers/net/macb.c @@ -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; } @@ -1277,8 +1279,45 @@ 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, |