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path: root/drivers/net/ethernet/rdc
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Diffstat (limited to 'drivers/net/ethernet/rdc')
-rw-r--r--drivers/net/ethernet/rdc/Kconfig1
-rw-r--r--drivers/net/ethernet/rdc/r6040.c27
2 files changed, 11 insertions, 17 deletions
diff --git a/drivers/net/ethernet/rdc/Kconfig b/drivers/net/ethernet/rdc/Kconfig
index c8ba4b3494c..2055f7eb2ba 100644
--- a/drivers/net/ethernet/rdc/Kconfig
+++ b/drivers/net/ethernet/rdc/Kconfig
@@ -22,7 +22,6 @@ config R6040
tristate "RDC R6040 Fast Ethernet Adapter support"
depends on PCI
select CRC32
- select NET_CORE
select MII
select PHYLIB
---help---
diff --git a/drivers/net/ethernet/rdc/r6040.c b/drivers/net/ethernet/rdc/r6040.c
index 5b4103db70f..cd045ecb981 100644
--- a/drivers/net/ethernet/rdc/r6040.c
+++ b/drivers/net/ethernet/rdc/r6040.c
@@ -34,7 +34,6 @@
#include <linux/netdevice.h>
#include <linux/etherdevice.h>
#include <linux/skbuff.h>
-#include <linux/init.h>
#include <linux/delay.h>
#include <linux/mii.h>
#include <linux/ethtool.h>
@@ -222,13 +221,17 @@ static int r6040_phy_read(void __iomem *ioaddr, int phy_addr, int reg)
cmd = ioread16(ioaddr + MMDIO);
if (!(cmd & MDIO_READ))
break;
+ udelay(1);
}
+ if (limit < 0)
+ return -ETIMEDOUT;
+
return ioread16(ioaddr + MMRD);
}
/* Write a word data from PHY Chip */
-static void r6040_phy_write(void __iomem *ioaddr,
+static int r6040_phy_write(void __iomem *ioaddr,
int phy_addr, int reg, u16 val)
{
int limit = MAC_DEF_TIMEOUT;
@@ -242,7 +245,10 @@ static void r6040_phy_write(void __iomem *ioaddr,
cmd = ioread16(ioaddr + MMDIO);
if (!(cmd & MDIO_WRITE))
break;
+ udelay(1);
}
+
+ return (limit < 0) ? -ETIMEDOUT : 0;
}
static int r6040_mdiobus_read(struct mii_bus *bus, int phy_addr, int reg)
@@ -261,14 +267,7 @@ static int r6040_mdiobus_write(struct mii_bus *bus, int phy_addr,
struct r6040_private *lp = netdev_priv(dev);
void __iomem *ioaddr = lp->base;
- r6040_phy_write(ioaddr, phy_addr, reg, value);
-
- return 0;
-}
-
-static int r6040_mdiobus_reset(struct mii_bus *bus)
-{
- return 0;
+ return r6040_phy_write(ioaddr, phy_addr, reg, value);
}
static void r6040_free_txbufs(struct net_device *dev)
@@ -347,7 +346,6 @@ static int r6040_alloc_rxbufs(struct net_device *dev)
do {
skb = netdev_alloc_skb(dev, MAX_BUF_SIZE);
if (!skb) {
- netdev_err(dev, "failed to alloc skb for rx\n");
rc = -ENOMEM;
goto err_exit;
}
@@ -832,8 +830,8 @@ static netdev_tx_t r6040_start_xmit(struct sk_buff *skb,
/* Set TX descriptor & Transmit it */
lp->tx_free_desc--;
descptr = lp->tx_insert_ptr;
- if (skb->len < MISR)
- descptr->len = MISR;
+ if (skb->len < ETH_ZLEN)
+ descptr->len = ETH_ZLEN;
else
descptr->len = skb->len;
@@ -1188,7 +1186,6 @@ static int r6040_init_one(struct pci_dev *pdev, const struct pci_device_id *ent)
lp->mii_bus->priv = dev;
lp->mii_bus->read = r6040_mdiobus_read;
lp->mii_bus->write = r6040_mdiobus_write;
- lp->mii_bus->reset = r6040_mdiobus_reset;
lp->mii_bus->name = "r6040_eth_mii";
snprintf(lp->mii_bus->id, MII_BUS_ID_SIZE, "%s-%x",
dev_name(&pdev->dev), card_idx);
@@ -1229,7 +1226,6 @@ err_out_mdio:
mdiobus_free(lp->mii_bus);
err_out_unmap:
netif_napi_del(&lp->napi);
- pci_set_drvdata(pdev, NULL);
pci_iounmap(pdev, ioaddr);
err_out_free_res:
pci_release_regions(pdev);
@@ -1255,7 +1251,6 @@ static void r6040_remove_one(struct pci_dev *pdev)
pci_release_regions(pdev);
free_netdev(dev);
pci_disable_device(pdev);
- pci_set_drvdata(pdev, NULL);
}