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wifipineapple-openwrt
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wifipineapple-openwrt/target/linux/brcm63xx/patches-2.6.30/060-bcm63xx_enet_upstream_f...

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--- a/drivers/net/bcm63xx_enet.c 2009-07-31 22:06:20.000000000 +0200
+++ b/drivers/net/bcm63xx_enet.c 2009-08-05 10:02:28.000000000 +0200
@@ -28,7 +28,6 @@
#include <linux/dma-mapping.h>
#include <linux/platform_device.h>
#include <linux/if_vlan.h>
-#include <linux/version.h>
#include <bcm63xx_dev_enet.h>
#include "bcm63xx_enet.h"
@@ -321,7 +320,7 @@
if (len < copybreak) {
struct sk_buff *nskb;
- nskb = netdev_alloc_skb(dev, len + 2);
+ nskb = netdev_alloc_skb(dev, len + NET_IP_ALIGN);
if (!nskb) {
/* forget packet, just rearm desc */
priv->stats.rx_dropped++;
@@ -452,11 +451,7 @@
/* no more packet in rx/tx queue, remove device from poll
* queue */
-#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,30)
- netif_rx_complete(dev, napi);
-#else
napi_complete(napi);
-#endif
/* restore rx/tx interrupt */
enet_dma_writel(priv, ENETDMA_IR_PKTDONE_MASK,
@@ -508,11 +503,7 @@
enet_dma_writel(priv, 0, ENETDMA_IRMASK_REG(priv->rx_chan));
enet_dma_writel(priv, 0, ENETDMA_IRMASK_REG(priv->tx_chan));
-#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,30)
- netif_rx_schedule(dev, &priv->napi);
-#else
napi_schedule(&priv->napi);
-#endif
return IRQ_HANDLED;
}
@@ -764,11 +755,11 @@
pr_info("%s: link %s", dev->name, phydev->link ?
"UP" : "DOWN");
if (phydev->link)
- printk(" - %d/%s - flow control %s", phydev->speed,
+ pr_cont(" - %d/%s - flow control %s", phydev->speed,
DUPLEX_FULL == phydev->duplex ? "full" : "half",
phydev->pause == 1 ? "rx&tx" : "off");
- printk("\n");
+ pr_cont("\n");
}
}
@@ -782,6 +773,7 @@
priv = netdev_priv(dev);
bcm_enet_set_duplex(priv, priv->force_duplex_full);
bcm_enet_set_flow(priv, priv->pause_rx, priv->pause_tx);
+ netif_carrier_on(dev);
pr_info("%s: link forced UP - %d/%s - flow control %s/%s\n",
dev->name,
@@ -800,21 +792,18 @@
struct sockaddr addr;
struct device *kdev;
struct phy_device *phydev;
- int irq_requested, i, ret;
+ int i, ret;
unsigned int size;
- char phy_id[BUS_ID_SIZE];
+ char phy_id[MII_BUS_ID_SIZE + 3];
void *p;
u32 val;
priv = netdev_priv(dev);
- priv->rx_desc_cpu = priv->tx_desc_cpu = NULL;
- priv->rx_skb = priv->tx_skb = NULL;
-
kdev = &priv->pdev->dev;
if (priv->has_phy) {
/* connect to PHY */
- snprintf(phy_id, BUS_ID_SIZE, PHY_ID_FMT,
+ snprintf(phy_id, sizeof(phy_id), PHY_ID_FMT,
priv->mac_id ? "1" : "0", priv->phy_id);
phydev = phy_connect(dev, phy_id, &bcm_enet_adjust_phy_link, 0,
@@ -854,23 +843,19 @@
enet_dma_writel(priv, 0, ENETDMA_IRMASK_REG(priv->rx_chan));
enet_dma_writel(priv, 0, ENETDMA_IRMASK_REG(priv->tx_chan));
- irq_requested = 0;
ret = request_irq(dev->irq, bcm_enet_isr_mac, 0, dev->name, dev);
if (ret)
- goto out;
- irq_requested++;
+ goto out_phy_disconnect;
ret = request_irq(priv->irq_rx, bcm_enet_isr_dma,
IRQF_SAMPLE_RANDOM | IRQF_DISABLED, dev->name, dev);
if (ret)
- goto out;
- irq_requested++;
+ goto out_freeirq;
ret = request_irq(priv->irq_tx, bcm_enet_isr_dma,
IRQF_DISABLED, dev->name, dev);
if (ret)
- goto out;
- irq_requested++;
+ goto out_freeirq_rx;
/* initialize perfect match registers */
for (i = 0; i < 4; i++) {
@@ -888,7 +873,7 @@
if (!p) {
dev_err(kdev, "cannot allocate rx ring %u\n", size);
ret = -ENOMEM;
- goto out;
+ goto out_freeirq_tx;
}
memset(p, 0, size);
@@ -901,7 +886,7 @@
if (!p) {
dev_err(kdev, "cannot allocate tx ring\n");
ret = -ENOMEM;
- goto out;
+ goto out_free_rx_ring;
}
memset(p, 0, size);
@@ -913,7 +898,7 @@
if (!priv->tx_skb) {
dev_err(kdev, "cannot allocate rx skb queue\n");
ret = -ENOMEM;
- goto out;
+ goto out_free_tx_ring;
}
priv->tx_desc_count = priv->tx_ring_size;
@@ -927,7 +912,7 @@
if (!priv->rx_skb) {
dev_err(kdev, "cannot allocate rx skb queue\n");
ret = -ENOMEM;
- goto out;
+ goto out_free_tx_skb;
}
priv->rx_desc_count = 0;
@@ -1012,13 +997,6 @@
return 0;
out:
- phy_disconnect(priv->phydev);
- if (irq_requested > 2)
- free_irq(priv->irq_tx, dev);
- if (irq_requested > 1)
- free_irq(priv->irq_rx, dev);
- if (irq_requested > 0)
- free_irq(dev->irq, dev);
for (i = 0; i < priv->rx_ring_size; i++) {
struct bcm_enet_desc *desc;
@@ -1030,14 +1008,31 @@
DMA_FROM_DEVICE);
kfree_skb(priv->rx_skb[i]);
}
- if (priv->rx_desc_cpu)
- dma_free_coherent(kdev, priv->rx_desc_alloc_size,
- priv->rx_desc_cpu, priv->rx_desc_dma);
- if (priv->tx_desc_cpu)
- dma_free_coherent(kdev, priv->tx_desc_alloc_size,
- priv->tx_desc_cpu, priv->tx_desc_dma);
kfree(priv->rx_skb);
+
+out_free_tx_skb:
kfree(priv->tx_skb);
+
+out_free_tx_ring:
+ dma_free_coherent(kdev, priv->tx_desc_alloc_size,
+ priv->tx_desc_cpu, priv->tx_desc_dma);
+
+out_free_rx_ring:
+ dma_free_coherent(kdev, priv->rx_desc_alloc_size,
+ priv->rx_desc_cpu, priv->rx_desc_dma);
+
+out_freeirq_tx:
+ free_irq(priv->irq_tx, dev);
+
+out_freeirq_rx:
+ free_irq(priv->irq_rx, dev);
+
+out_freeirq:
+ free_irq(dev->irq, dev);
+
+out_phy_disconnect:
+ phy_disconnect(priv->phydev);
+
return ret;
}
@@ -1606,6 +1601,20 @@
enet_writel(priv, val, ENET_MIBCTL_REG);
}
+static const struct net_device_ops bcm_enet_ops = {
+ .ndo_open = bcm_enet_open,
+ .ndo_stop = bcm_enet_stop,
+ .ndo_start_xmit = bcm_enet_start_xmit,
+ .ndo_get_stats = bcm_enet_get_stats,
+ .ndo_set_mac_address = bcm_enet_set_mac_address,
+ .ndo_set_multicast_list = bcm_enet_set_multicast_list,
+ .ndo_do_ioctl = bcm_enet_ioctl,
+ .ndo_change_mtu = bcm_enet_change_mtu,
+#ifdef CONFIG_NET_POLL_CONTROLLER
+ .ndo_poll_controller = bcm_enet_netpoll,
+#endif
+};
+
/*
* allocate netdevice, request register memory and register device.
*/
@@ -1618,15 +1627,13 @@
struct mii_bus *bus;
const char *clk_name;
unsigned int iomem_size;
- int i, ret, mdio_registered, mem_requested;
+ int i, ret;
/* stop if shared driver failed, assume driver->probe will be
* called in the same order we register devices (correct ?) */
if (!bcm_enet_shared_base)
return -ENODEV;
- mdio_registered = mem_requested = 0;
-
res_mem = platform_get_resource(pdev, IORESOURCE_MEM, 0);
res_irq = platform_get_resource(pdev, IORESOURCE_IRQ, 0);
res_irq_rx = platform_get_resource(pdev, IORESOURCE_IRQ, 1);
@@ -1648,14 +1655,13 @@
iomem_size = res_mem->end - res_mem->start + 1;
if (!request_mem_region(res_mem->start, iomem_size, "bcm63xx_enet")) {
ret = -EBUSY;
- goto err;
+ goto out;
}
- mem_requested = 1;
priv->base = ioremap(res_mem->start, iomem_size);
if (priv->base == NULL) {
ret = -ENOMEM;
- goto err;
+ goto out_release_mem;
}
dev->irq = priv->irq = res_irq->start;
priv->irq_rx = res_irq_rx->start;
@@ -1676,8 +1682,7 @@
priv->mac_clk = clk_get(&pdev->dev, clk_name);
if (IS_ERR(priv->mac_clk)) {
ret = PTR_ERR(priv->mac_clk);
- priv->mac_clk = NULL;
- goto err;
+ goto out_unmap;
}
clk_enable(priv->mac_clk);
@@ -1706,7 +1711,7 @@
if (IS_ERR(priv->phy_clk)) {
ret = PTR_ERR(priv->phy_clk);
priv->phy_clk = NULL;
- goto err;
+ goto out_put_clk_mac;
}
clk_enable(priv->phy_clk);
}
@@ -1716,13 +1721,16 @@
/* MII bus registration */
if (priv->has_phy) {
- bus = &priv->mii_bus;
+
+ priv->mii_bus = mdiobus_alloc();
+ if (!priv->mii_bus) {
+ ret = -ENOMEM;
+ goto out_uninit_hw;
+ }
+
+ bus = priv->mii_bus;
bus->name = "bcm63xx_enet MII bus";
-#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,28)
- bus->dev = &pdev->dev;
-#else
bus->parent = &pdev->dev;
-#endif
bus->priv = priv;
bus->read = bcm_enet_mdio_read_phylib;
bus->write = bcm_enet_mdio_write_phylib;
@@ -1736,7 +1744,7 @@
bus->irq = kmalloc(sizeof(int) * PHY_MAX_ADDR, GFP_KERNEL);
if (!bus->irq) {
ret = -ENOMEM;
- goto err;
+ goto out_free_mdio;
}
if (priv->has_phy_interrupt)
@@ -1747,9 +1755,8 @@
ret = mdiobus_register(bus);
if (ret) {
dev_err(&pdev->dev, "unable to register mdio bus\n");
- goto err;
+ goto out_free_mdio;
}
- mdio_registered = 1;
} else {
/* run platform code to initialize PHY device */
@@ -1757,7 +1764,7 @@
pd->mii_config(dev, 1, bcm_enet_mdio_read_mii,
bcm_enet_mdio_write_mii)) {
dev_err(&pdev->dev, "unable to configure mdio bus\n");
- goto err;
+ goto out_uninit_hw;
}
}
@@ -1777,51 +1784,50 @@
enet_writel(priv, 0, ENET_MIB_REG(i));
/* register netdevice */
- dev->open = bcm_enet_open;
- dev->stop = bcm_enet_stop;
- dev->hard_start_xmit = bcm_enet_start_xmit;
- dev->get_stats = bcm_enet_get_stats;
- dev->set_mac_address = bcm_enet_set_mac_address;
- dev->set_multicast_list = bcm_enet_set_multicast_list;
+ dev->netdev_ops = &bcm_enet_ops;
netif_napi_add(dev, &priv->napi, bcm_enet_poll, 16);
- dev->do_ioctl = bcm_enet_ioctl;
-#ifdef CONFIG_NET_POLL_CONTROLLER
- dev->poll_controller = bcm_enet_netpoll;
-#endif
- dev->change_mtu = bcm_enet_change_mtu;
SET_ETHTOOL_OPS(dev, &bcm_enet_ethtool_ops);
- SET_NETDEV_DEV(dev, &pdev->dev);
ret = register_netdev(dev);
if (ret)
- goto err;
+ goto out_unregister_mdio;
+ netif_carrier_off(dev);
platform_set_drvdata(pdev, dev);
priv->pdev = pdev;
priv->net_dev = dev;
+ SET_NETDEV_DEV(dev, &pdev->dev);
return 0;
-err:
- if (mem_requested)
- release_mem_region(res_mem->start, iomem_size);
- if (mdio_registered)
- mdiobus_unregister(&priv->mii_bus);
- kfree(priv->mii_bus.irq);
- if (priv->mac_clk) {
- clk_disable(priv->mac_clk);
- clk_put(priv->mac_clk);
+out_unregister_mdio:
+ if (priv->mii_bus) {
+ mdiobus_unregister(priv->mii_bus);
+ kfree(priv->mii_bus->irq);
}
+
+out_free_mdio:
+ if (priv->mii_bus)
+ mdiobus_free(priv->mii_bus);
+
+out_uninit_hw:
+ /* turn off mdc clock */
+ enet_writel(priv, 0, ENET_MIISC_REG);
if (priv->phy_clk) {
clk_disable(priv->phy_clk);
clk_put(priv->phy_clk);
}
- if (priv->base) {
- /* turn off mdc clock */
- enet_writel(priv, 0, ENET_MIISC_REG);
- iounmap(priv->base);
- }
+
+out_put_clk_mac:
+ clk_disable(priv->mac_clk);
+ clk_put(priv->mac_clk);
+
+out_unmap:
+ iounmap(priv->base);
+
+out_release_mem:
+ release_mem_region(res_mem->start, iomem_size);
out:
free_netdev(dev);
return ret;
@@ -1846,8 +1852,9 @@
enet_writel(priv, 0, ENET_MIISC_REG);
if (priv->has_phy) {
- mdiobus_unregister(&priv->mii_bus);
- kfree(priv->mii_bus.irq);
+ mdiobus_unregister(priv->mii_bus);
+ kfree(priv->mii_bus->irq);
+ mdiobus_free(priv->mii_bus);
} else {
struct bcm63xx_enet_platform_data *pd;
@@ -1870,7 +1877,6 @@
clk_disable(priv->mac_clk);
clk_put(priv->mac_clk);
- platform_set_drvdata(pdev, NULL);
free_netdev(dev);
return 0;
}
--- a/drivers/net/bcm63xx_enet.h 2009-06-07 11:25:51.000000000 +0200
+++ b/drivers/net/bcm63xx_enet.h 2009-08-05 10:02:28.000000000 +0200
@@ -258,7 +258,7 @@
int phy_interrupt;
/* used when a phy is connected (phylib used) */
- struct mii_bus mii_bus;
+ struct mii_bus *mii_bus;
struct phy_device *phydev;
int old_link;
int old_duplex;
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