netxen: remove old flash check.

[safe/jmp/linux-2.6] / drivers / net / macb.c

diff --git a/drivers/net/macb.c b/drivers/net/macb.c
index d513bb8..f6c4936 100644 (file)
--- 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;
 }
@@ -311,6 +321,10 @@ static void macb_tx(struct macb *bp)
                printk(KERN_ERR "%s: TX underrun, resetting buffers\n",
                        bp->dev->name);
 
+               /* Transfer ongoing, disable transmitter, to avoid confusion */
+               if (status & MACB_BIT(TGO))
+                       macb_writel(bp, NCR, macb_readl(bp, NCR) & ~MACB_BIT(TE));
+
                head = bp->tx_head;
 
                /*Mark all the buffer as used to avoid sending a lost buffer*/
@@ -333,6 +347,10 @@ static void macb_tx(struct macb *bp)
                }
 
                bp->tx_head = bp->tx_tail = 0;
+
+               /* Enable the transmitter again */
+               if (status & MACB_BIT(TGO))
+                       macb_writel(bp, NCR, macb_readl(bp, NCR) | MACB_BIT(TE));
        }
 
        if (!(status & MACB_BIT(COMP)))
@@ -425,7 +443,6 @@ static int macb_rx_frame(struct macb *bp, unsigned int first_frag,
 
        bp->stats.rx_packets++;
        bp->stats.rx_bytes += len;
-       bp->dev->last_rx = jiffies;
        dev_dbg(&bp->pdev->dev, "received skb of length %u, csum: %08x\n",
                skb->len, skb->csum);
        netif_receive_skb(skb);
@@ -510,7 +527,7 @@ static int macb_poll(struct napi_struct *napi, int budget)
                 * this function was called last time, and no packets
                 * have been received since.
                 */
-               netif_rx_complete(dev, napi);
+               netif_rx_complete(napi);
                goto out;
        }
 
@@ -521,13 +538,13 @@ static int macb_poll(struct napi_struct *napi, int budget)
                dev_warn(&bp->pdev->dev,
                         "No RX buffers complete, status = %02lx\n",
                         (unsigned long)status);
-               netif_rx_complete(dev, napi);
+               netif_rx_complete(napi);
                goto out;
        }
 
        work_done = macb_rx(bp, budget);
        if (work_done < budget)
-               netif_rx_complete(dev, napi);
+               netif_rx_complete(napi);
 
        /*
         * We've done what we can to clean the buffers. Make sure we
@@ -562,7 +579,7 @@ static irqreturn_t macb_interrupt(int irq, void *dev_id)
                }
 
                if (status & MACB_RX_INT_FLAGS) {
-                       if (netif_rx_schedule_prep(dev, &bp->napi)) {
+                       if (netif_rx_schedule_prep(&bp->napi)) {
                                /*
                                 * There's no point taking any more interrupts
                                 * until we have processed the buffers
@@ -570,7 +587,7 @@ static irqreturn_t macb_interrupt(int irq, void *dev_id)
                                macb_writel(bp, IDR, MACB_RX_INT_FLAGS);
                                dev_dbg(&bp->pdev->dev,
                                        "scheduling RX softirq\n");
-                               __netif_rx_schedule(dev, &bp->napi);
+                               __netif_rx_schedule(&bp->napi);
                        }
                }
 
@@ -1094,7 +1111,6 @@ static int __init macb_probe(struct platform_device *pdev)
        unsigned long pclk_hz;
        u32 config;
        int err = -ENXIO;
-       DECLARE_MAC_BUF(mac);
 
        regs = platform_get_resource(pdev, IORESOURCE_MEM, 0);
        if (!regs) {
@@ -1213,10 +1229,8 @@ static int __init macb_probe(struct platform_device *pdev)
 
        platform_set_drvdata(pdev, dev);
 
-       printk(KERN_INFO "%s: Atmel MACB at 0x%08lx irq %d "
-              "(%s)\n",
-              dev->name, dev->base_addr, dev->irq,
-              print_mac(mac, dev->dev_addr));
+       printk(KERN_INFO "%s: Atmel MACB at 0x%08lx irq %d (%pM)\n",
+              dev->name, dev->base_addr, dev->irq, dev->dev_addr);
 
        phydev = bp->phy_dev;
        printk(KERN_INFO "%s: attached PHY driver [%s] "
@@ -1259,8 +1273,9 @@ 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);
@@ -1277,10 +1292,48 @@ 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,
        },
 };
 
@@ -1300,3 +1353,4 @@ module_exit(macb_exit);
 MODULE_LICENSE("GPL");
 MODULE_DESCRIPTION("Atmel MACB Ethernet driver");
 MODULE_AUTHOR("Haavard Skinnemoen <hskinnemoen@atmel.com>");
+MODULE_ALIAS("platform:macb");