net: pxa168_eth: clean up
Clean up a bit the pxa168_eth driver before adding the device tree support. Signed-off-by: Antoine Tenart <antoine.tenart@free-electrons.com> Acked-by: Arnd Bergmann <arnd@arndb.de> Signed-off-by: David S. Miller <davem@davemloft.net>
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4cb53f3f51
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307f65657d
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@ -22,27 +22,29 @@
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* along with this program; if not, see <http://www.gnu.org/licenses/>.
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*/
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#include <linux/dma-mapping.h>
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#include <linux/in.h>
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#include <linux/ip.h>
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#include <linux/tcp.h>
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#include <linux/udp.h>
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#include <linux/etherdevice.h>
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#include <linux/bitops.h>
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#include <linux/delay.h>
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#include <linux/ethtool.h>
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#include <linux/platform_device.h>
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#include <linux/module.h>
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#include <linux/kernel.h>
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#include <linux/workqueue.h>
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#include <linux/clk.h>
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#include <linux/phy.h>
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#include <linux/io.h>
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#include <linux/delay.h>
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#include <linux/dma-mapping.h>
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#include <linux/etherdevice.h>
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#include <linux/ethtool.h>
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#include <linux/in.h>
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#include <linux/interrupt.h>
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#include <linux/io.h>
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#include <linux/ip.h>
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#include <linux/kernel.h>
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#include <linux/module.h>
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#include <linux/of.h>
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#include <linux/phy.h>
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#include <linux/platform_device.h>
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#include <linux/pxa168_eth.h>
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#include <linux/tcp.h>
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#include <linux/types.h>
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#include <linux/udp.h>
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#include <linux/workqueue.h>
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#include <asm/pgtable.h>
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#include <asm/cacheflush.h>
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#include <linux/pxa168_eth.h>
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#define DRIVER_NAME "pxa168-eth"
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#define DRIVER_VERSION "0.3"
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@ -296,7 +298,7 @@ static void abort_dma(struct pxa168_eth_private *pep)
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} while (max_retries-- > 0 && delay <= 0);
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if (max_retries <= 0)
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printk(KERN_ERR "%s : DMA Stuck\n", __func__);
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netdev_err(pep->dev, "%s : DMA Stuck\n", __func__);
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}
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static int ethernet_phy_get(struct pxa168_eth_private *pep)
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@ -507,9 +509,10 @@ static int add_del_hash_entry(struct pxa168_eth_private *pep,
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if (i == HOP_NUMBER) {
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if (!del) {
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printk(KERN_INFO "%s: table section is full, need to "
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"move to 16kB implementation?\n",
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__FILE__);
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netdev_info(pep->dev,
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"%s: table section is full, need to "
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"move to 16kB implementation?\n",
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__FILE__);
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return -ENOSPC;
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} else
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return 0;
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@ -726,7 +729,7 @@ static int txq_reclaim(struct net_device *dev, int force)
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if (cmd_sts & TX_ERROR) {
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if (net_ratelimit())
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printk(KERN_ERR "%s: Error in TX\n", dev->name);
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netdev_err(dev, "Error in TX\n");
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dev->stats.tx_errors++;
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}
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dma_unmap_single(NULL, addr, count, DMA_TO_DEVICE);
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@ -743,8 +746,7 @@ static void pxa168_eth_tx_timeout(struct net_device *dev)
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{
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struct pxa168_eth_private *pep = netdev_priv(dev);
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printk(KERN_INFO "%s: TX timeout desc_count %d\n",
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dev->name, pep->tx_desc_count);
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netdev_info(dev, "TX timeout desc_count %d\n", pep->tx_desc_count);
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schedule_work(&pep->tx_timeout_task);
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}
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@ -814,9 +816,8 @@ static int rxq_process(struct net_device *dev, int budget)
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if ((cmd_sts & (RX_FIRST_DESC | RX_LAST_DESC)) !=
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(RX_FIRST_DESC | RX_LAST_DESC)) {
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if (net_ratelimit())
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printk(KERN_ERR
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"%s: Rx pkt on multiple desc\n",
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dev->name);
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netdev_err(dev,
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"Rx pkt on multiple desc\n");
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}
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if (cmd_sts & RX_ERROR)
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stats->rx_errors++;
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@ -871,7 +872,7 @@ static void handle_link_event(struct pxa168_eth_private *pep)
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port_status = rdl(pep, PORT_STATUS);
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if (!(port_status & LINK_UP)) {
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if (netif_carrier_ok(dev)) {
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printk(KERN_INFO "%s: link down\n", dev->name);
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netdev_info(dev, "link down\n");
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netif_carrier_off(dev);
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txq_reclaim(dev, 1);
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}
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@ -884,9 +885,8 @@ static void handle_link_event(struct pxa168_eth_private *pep)
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duplex = (port_status & FULL_DUPLEX) ? 1 : 0;
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fc = (port_status & FLOW_CONTROL_ENABLED) ? 1 : 0;
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printk(KERN_INFO "%s: link up, %d Mb/s, %s duplex, "
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"flow control %sabled\n", dev->name,
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speed, duplex ? "full" : "half", fc ? "en" : "dis");
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netdev_info(dev, "link up, %d Mb/s, %s duplex, flow control %sabled\n",
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speed, duplex ? "full" : "half", fc ? "en" : "dis");
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if (!netif_carrier_ok(dev))
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netif_carrier_on(dev);
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}
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@ -1039,9 +1039,8 @@ static void rxq_deinit(struct net_device *dev)
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}
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}
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if (pep->rx_desc_count)
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printk(KERN_ERR
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"Error in freeing Rx Ring. %d skb's still\n",
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pep->rx_desc_count);
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netdev_err(dev, "Error in freeing Rx Ring. %d skb's still\n",
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pep->rx_desc_count);
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/* Free RX ring */
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if (pep->p_rx_desc_area)
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dma_free_coherent(pep->dev->dev.parent, pep->rx_desc_area_size,
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@ -1280,15 +1279,15 @@ static int pxa168_smi_read(struct mii_bus *bus, int phy_addr, int regnum)
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int val;
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if (smi_wait_ready(pep)) {
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printk(KERN_WARNING "pxa168_eth: SMI bus busy timeout\n");
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netdev_warn(pep->dev, "pxa168_eth: SMI bus busy timeout\n");
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return -ETIMEDOUT;
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}
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wrl(pep, SMI, (phy_addr << 16) | (regnum << 21) | SMI_OP_R);
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/* now wait for the data to be valid */
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for (i = 0; !((val = rdl(pep, SMI)) & SMI_R_VALID); i++) {
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if (i == PHY_WAIT_ITERATIONS) {
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printk(KERN_WARNING
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"pxa168_eth: SMI bus read not valid\n");
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netdev_warn(pep->dev,
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"pxa168_eth: SMI bus read not valid\n");
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return -ENODEV;
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}
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msleep(10);
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@ -1303,7 +1302,7 @@ static int pxa168_smi_write(struct mii_bus *bus, int phy_addr, int regnum,
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struct pxa168_eth_private *pep = bus->priv;
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if (smi_wait_ready(pep)) {
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printk(KERN_WARNING "pxa168_eth: SMI bus busy timeout\n");
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netdev_warn(pep->dev, "pxa168_eth: SMI bus busy timeout\n");
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return -ETIMEDOUT;
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}
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@ -1311,7 +1310,7 @@ static int pxa168_smi_write(struct mii_bus *bus, int phy_addr, int regnum,
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SMI_OP_W | (value & 0xffff));
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if (smi_wait_ready(pep)) {
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printk(KERN_ERR "pxa168_eth: SMI bus busy timeout\n");
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netdev_err(pep->dev, "pxa168_eth: SMI bus busy timeout\n");
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return -ETIMEDOUT;
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}
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@ -1425,23 +1424,23 @@ static void pxa168_get_drvinfo(struct net_device *dev,
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}
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static const struct ethtool_ops pxa168_ethtool_ops = {
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.get_settings = pxa168_get_settings,
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.set_settings = pxa168_set_settings,
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.get_drvinfo = pxa168_get_drvinfo,
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.get_link = ethtool_op_get_link,
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.get_ts_info = ethtool_op_get_ts_info,
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.get_settings = pxa168_get_settings,
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.set_settings = pxa168_set_settings,
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.get_drvinfo = pxa168_get_drvinfo,
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.get_link = ethtool_op_get_link,
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.get_ts_info = ethtool_op_get_ts_info,
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};
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static const struct net_device_ops pxa168_eth_netdev_ops = {
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.ndo_open = pxa168_eth_open,
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.ndo_stop = pxa168_eth_stop,
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.ndo_start_xmit = pxa168_eth_start_xmit,
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.ndo_set_rx_mode = pxa168_eth_set_rx_mode,
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.ndo_set_mac_address = pxa168_eth_set_mac_address,
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.ndo_validate_addr = eth_validate_addr,
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.ndo_do_ioctl = pxa168_eth_do_ioctl,
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.ndo_change_mtu = pxa168_eth_change_mtu,
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.ndo_tx_timeout = pxa168_eth_tx_timeout,
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.ndo_open = pxa168_eth_open,
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.ndo_stop = pxa168_eth_stop,
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.ndo_start_xmit = pxa168_eth_start_xmit,
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.ndo_set_rx_mode = pxa168_eth_set_rx_mode,
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.ndo_set_mac_address = pxa168_eth_set_mac_address,
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.ndo_validate_addr = eth_validate_addr,
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.ndo_do_ioctl = pxa168_eth_do_ioctl,
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.ndo_change_mtu = pxa168_eth_change_mtu,
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.ndo_tx_timeout = pxa168_eth_tx_timeout,
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};
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static int pxa168_eth_probe(struct platform_device *pdev)
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@ -1456,8 +1455,7 @@ static int pxa168_eth_probe(struct platform_device *pdev)
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clk = clk_get(&pdev->dev, "MFUCLK");
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if (IS_ERR(clk)) {
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printk(KERN_ERR "%s: Fast Ethernet failed to get clock\n",
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DRIVER_NAME);
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dev_err(&pdev->dev, "Fast Ethernet failed to get clock\n");
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return -ENODEV;
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}
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clk_enable(clk);
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@ -1492,7 +1490,7 @@ static int pxa168_eth_probe(struct platform_device *pdev)
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INIT_WORK(&pep->tx_timeout_task, pxa168_eth_tx_timeout_task);
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printk(KERN_INFO "%s:Using random mac address\n", DRIVER_NAME);
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dev_info(&pdev->dev, "Using random mac address\n");
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eth_hw_addr_random(dev);
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pep->pd = dev_get_platdata(&pdev->dev);
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