summaryrefslogtreecommitdiffstats
path: root/drivers/net/macb.c
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/net/macb.c')
-rw-r--r--drivers/net/macb.c45
1 files changed, 43 insertions, 2 deletions
diff --git a/drivers/net/macb.c b/drivers/net/macb.c
index 92dccd43bdc..0496d16f9de 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)
@@ -161,7 +165,7 @@ static void macb_handle_link_change(struct net_device *dev)
if (phydev->link != bp->link) {
if (phydev->link)
- netif_schedule(dev);
+ netif_tx_schedule_all(dev);
else {
bp->speed = 0;
bp->duplex = -1;
@@ -1277,8 +1281,45 @@ 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,