Support and updates available at
http://www.scyld.com/network/hamachi.html
+ [link no longer provides useful info -jgarzik]
or
http://www.parl.clemson.edu/~keithu/hamachi.html
-
-
- Linux kernel changelog:
-
- LK1.0.1:
- - fix lack of pci_dev<->dev association
- - ethtool support (jgarzik)
-
*/
#define DRV_NAME "hamachi"
-#define DRV_VERSION "1.01+LK1.0.1"
-#define DRV_RELDATE "5/18/2001"
+#define DRV_VERSION "2.0"
+#define DRV_RELDATE "June 27, 2006"
/* A few user-configurable values. */
#include <linux/skbuff.h>
#include <linux/ip.h>
#include <linux/delay.h>
+#include <linux/bitops.h>
#include <asm/uaccess.h>
#include <asm/processor.h> /* Processor type for cache alignment. */
-#include <asm/bitops.h>
#include <asm/io.h>
#include <asm/unaligned.h>
#include <asm/cache.h>
#define RUN_AT(x) (jiffies + (x))
+#ifndef ADDRLEN
+#define ADDRLEN 32
+#endif
+
/* Condensed bus+endian portability operations. */
#if ADDRLEN == 64
#define cpu_to_leXX(addr) cpu_to_le64(addr)
static void hamachi_timer(unsigned long data);
enum capability_flags {CanHaveMII=1, };
-static struct chip_info {
+static const struct chip_info {
u16 vendor_id, device_id, device_id_mask, pad;
const char *name;
void (*media_timer)(unsigned long data);
u32 rx_int_var, tx_int_var; /* interrupt control variables */
u32 option; /* Hold on to a copy of the options */
struct pci_dev *pci_dev;
+ void __iomem *base;
};
MODULE_AUTHOR("Donald Becker <becker@scyld.com>, Eric Kasten <kasten@nscl.msu.edu>, Keith Underwood <keithu@parl.clemson.edu>");
MODULE_DESCRIPTION("Packet Engines 'Hamachi' GNIC-II Gigabit Ethernet driver");
MODULE_LICENSE("GPL");
-MODULE_PARM(max_interrupt_work, "i");
-MODULE_PARM(mtu, "i");
-MODULE_PARM(debug, "i");
-MODULE_PARM(min_rx_pkt, "i");
-MODULE_PARM(max_rx_gap, "i");
-MODULE_PARM(max_rx_latency, "i");
-MODULE_PARM(min_tx_pkt, "i");
-MODULE_PARM(max_tx_gap, "i");
-MODULE_PARM(max_tx_latency, "i");
-MODULE_PARM(rx_copybreak, "i");
-MODULE_PARM(rx_params, "1-" __MODULE_STRING(MAX_UNITS) "i");
-MODULE_PARM(tx_params, "1-" __MODULE_STRING(MAX_UNITS) "i");
-MODULE_PARM(options, "1-" __MODULE_STRING(MAX_UNITS) "i");
-MODULE_PARM(full_duplex, "1-" __MODULE_STRING(MAX_UNITS) "i");
-MODULE_PARM(force32, "i");
+module_param(max_interrupt_work, int, 0);
+module_param(mtu, int, 0);
+module_param(debug, int, 0);
+module_param(min_rx_pkt, int, 0);
+module_param(max_rx_gap, int, 0);
+module_param(max_rx_latency, int, 0);
+module_param(min_tx_pkt, int, 0);
+module_param(max_tx_gap, int, 0);
+module_param(max_tx_latency, int, 0);
+module_param(rx_copybreak, int, 0);
+module_param_array(rx_params, int, NULL, 0);
+module_param_array(tx_params, int, NULL, 0);
+module_param_array(options, int, NULL, 0);
+module_param_array(full_duplex, int, NULL, 0);
+module_param(force32, int, 0);
MODULE_PARM_DESC(max_interrupt_work, "GNIC-II maximum events handled per interrupt");
MODULE_PARM_DESC(mtu, "GNIC-II MTU (all boards)");
MODULE_PARM_DESC(debug, "GNIC-II debug level (0-7)");
MODULE_PARM_DESC(full_duplex, "GNIC-II full duplex setting(s) (1)");
MODULE_PARM_DESC(force32, "GNIC-II: Bit 0: 32 bit PCI, bit 1: disable parity, bit 2: 64 bit PCI (all boards)");
-static int read_eeprom(long ioaddr, int location);
+static int read_eeprom(void __iomem *ioaddr, int location);
static int mdio_read(struct net_device *dev, int phy_id, int location);
static void mdio_write(struct net_device *dev, int phy_id, int location, int value);
static int hamachi_open(struct net_device *dev);
static void hamachi_init_ring(struct net_device *dev);
static int hamachi_start_xmit(struct sk_buff *skb, struct net_device *dev);
static irqreturn_t hamachi_interrupt(int irq, void *dev_instance, struct pt_regs *regs);
-static inline int hamachi_rx(struct net_device *dev);
+static int hamachi_rx(struct net_device *dev);
static inline int hamachi_tx(struct net_device *dev);
static void hamachi_error(struct net_device *dev, int intr_status);
static int hamachi_close(struct net_device *dev);
static struct net_device_stats *hamachi_get_stats(struct net_device *dev);
static void set_rx_mode(struct net_device *dev);
-
+static struct ethtool_ops ethtool_ops;
+static struct ethtool_ops ethtool_ops_no_mii;
static int __devinit hamachi_init_one (struct pci_dev *pdev,
const struct pci_device_id *ent)
int option, i, rx_int_var, tx_int_var, boguscnt;
int chip_id = ent->driver_data;
int irq;
- long ioaddr;
+ void __iomem *ioaddr;
+ unsigned long base;
static int card_idx;
struct net_device *dev;
void *ring_space;
goto err_out;
}
- ioaddr = pci_resource_start(pdev, 0);
+ base = pci_resource_start(pdev, 0);
#ifdef __alpha__ /* Really "64 bit addrs" */
- ioaddr |= (pci_resource_start(pdev, 1) << 32);
+ base |= (pci_resource_start(pdev, 1) << 32);
#endif
pci_set_master(pdev);
i = pci_request_regions(pdev, DRV_NAME);
- if (i) return i;
+ if (i)
+ return i;
irq = pdev->irq;
- ioaddr = (long) ioremap(ioaddr, 0x400);
+ ioaddr = ioremap(base, 0x400);
if (!ioaddr)
goto err_out_release;
read_eeprom(ioaddr, i), i % 16 != 15 ? " " : "\n");
#endif
- hmp = dev->priv;
+ hmp = netdev_priv(dev);
spin_lock_init(&hmp->lock);
hmp->mii_if.dev = dev;
i = readb(ioaddr + PCIClkMeas);
}
- dev->base_addr = ioaddr;
+ hmp->base = ioaddr;
+ dev->base_addr = (unsigned long)ioaddr;
dev->irq = irq;
pci_set_drvdata(pdev, dev);
dev->get_stats = &hamachi_get_stats;
dev->set_multicast_list = &set_rx_mode;
dev->do_ioctl = &netdev_ioctl;
+ if (chip_tbl[hmp->chip_id].flags & CanHaveMII)
+ SET_ETHTOOL_OPS(dev, ðtool_ops);
+ else
+ SET_ETHTOOL_OPS(dev, ðtool_ops_no_mii);
dev->tx_timeout = &hamachi_tx_timeout;
dev->watchdog_timeo = TX_TIMEOUT;
if (mtu)
goto err_out_unmap_rx;
}
- printk(KERN_INFO "%s: %s type %x at 0x%lx, ",
+ printk(KERN_INFO "%s: %s type %x at %p, ",
dev->name, chip_tbl[chip_id].name, readl(ioaddr + ChipRev),
ioaddr);
for (i = 0; i < 5; i++)
err_out_cleardev:
free_netdev (dev);
err_out_iounmap:
- iounmap((char *)ioaddr);
+ iounmap(ioaddr);
err_out_release:
pci_release_regions(pdev);
err_out:
return ret;
}
-static int __devinit read_eeprom(long ioaddr, int location)
+static int __devinit read_eeprom(void __iomem *ioaddr, int location)
{
int bogus_cnt = 1000;
static int mdio_read(struct net_device *dev, int phy_id, int location)
{
- long ioaddr = dev->base_addr;
+ struct hamachi_private *hmp = netdev_priv(dev);
+ void __iomem *ioaddr = hmp->base;
int i;
/* We should check busy first - per docs -KDU */
static void mdio_write(struct net_device *dev, int phy_id, int location, int value)
{
- long ioaddr = dev->base_addr;
+ struct hamachi_private *hmp = netdev_priv(dev);
+ void __iomem *ioaddr = hmp->base;
int i;
/* We should check busy first - per docs -KDU */
\f
static int hamachi_open(struct net_device *dev)
{
- struct hamachi_private *hmp = dev->priv;
- long ioaddr = dev->base_addr;
+ struct hamachi_private *hmp = netdev_priv(dev);
+ void __iomem *ioaddr = hmp->base;
int i;
u32 rx_int_var, tx_int_var;
u16 fifo_info;
- i = request_irq(dev->irq, &hamachi_interrupt, SA_SHIRQ, dev->name, dev);
+ i = request_irq(dev->irq, &hamachi_interrupt, IRQF_SHARED, dev->name, dev);
if (i)
return i;
writew(0x001D, ioaddr + RxDMACtrl);
writew(0x001D, ioaddr + TxDMACtrl);
#endif
- writew(0x0001, dev->base_addr + RxCmd);
+ writew(0x0001, ioaddr + RxCmd);
if (hamachi_debug > 2) {
printk(KERN_DEBUG "%s: Done hamachi_open(), status: Rx %x Tx %x.\n",
static inline int hamachi_tx(struct net_device *dev)
{
- struct hamachi_private *hmp = dev->priv;
+ struct hamachi_private *hmp = netdev_priv(dev);
/* Update the dirty pointer until we find an entry that is
still owned by the card */
static void hamachi_timer(unsigned long data)
{
struct net_device *dev = (struct net_device *)data;
- struct hamachi_private *hmp = dev->priv;
- long ioaddr = dev->base_addr;
+ struct hamachi_private *hmp = netdev_priv(dev);
+ void __iomem *ioaddr = hmp->base;
int next_tick = 10*HZ;
if (hamachi_debug > 2) {
static void hamachi_tx_timeout(struct net_device *dev)
{
int i;
- struct hamachi_private *hmp = dev->priv;
- long ioaddr = dev->base_addr;
+ struct hamachi_private *hmp = netdev_priv(dev);
+ void __iomem *ioaddr = hmp->base;
printk(KERN_WARNING "%s: Hamachi transmit timed out, status %8.8x,"
" resetting...\n", dev->name, (int)readw(ioaddr + TxStatus));
}
udelay(60); /* Sleep 60 us just for safety sake */
- writew(0x0002, dev->base_addr + RxCmd); /* STOP Rx */
+ writew(0x0002, ioaddr + RxCmd); /* STOP Rx */
writeb(0x01, ioaddr + ChipReset); /* Reinit the hardware */
skb->dev = dev; /* Mark as being used by this device. */
skb_reserve(skb, 2); /* 16 byte align the IP header. */
hmp->rx_ring[i].addr = cpu_to_leXX(pci_map_single(hmp->pci_dev,
- skb->tail, hmp->rx_buf_sz, PCI_DMA_FROMDEVICE));
+ skb->data, hmp->rx_buf_sz, PCI_DMA_FROMDEVICE));
hmp->rx_ring[i].status_n_length = cpu_to_le32(DescOwn |
DescEndPacket | DescIntr | (hmp->rx_buf_sz - 2));
}
hmp->stats.tx_errors++;
/* Restart the chip's Tx/Rx processes . */
- writew(0x0002, dev->base_addr + TxCmd); /* STOP Tx */
- writew(0x0001, dev->base_addr + TxCmd); /* START Tx */
- writew(0x0001, dev->base_addr + RxCmd); /* START Rx */
+ writew(0x0002, ioaddr + TxCmd); /* STOP Tx */
+ writew(0x0001, ioaddr + TxCmd); /* START Tx */
+ writew(0x0001, ioaddr + RxCmd); /* START Rx */
netif_wake_queue(dev);
}
/* Initialize the Rx and Tx rings, along with various 'dev' bits. */
static void hamachi_init_ring(struct net_device *dev)
{
- struct hamachi_private *hmp = dev->priv;
+ struct hamachi_private *hmp = netdev_priv(dev);
int i;
hmp->tx_full = 0;
skb->dev = dev; /* Mark as being used by this device. */
skb_reserve(skb, 2); /* 16 byte align the IP header. */
hmp->rx_ring[i].addr = cpu_to_leXX(pci_map_single(hmp->pci_dev,
- skb->tail, hmp->rx_buf_sz, PCI_DMA_FROMDEVICE));
+ skb->data, hmp->rx_buf_sz, PCI_DMA_FROMDEVICE));
/* -2 because it doesn't REALLY have that first 2 bytes -KDU */
hmp->rx_ring[i].status_n_length = cpu_to_le32(DescOwn |
DescEndPacket | DescIntr | (hmp->rx_buf_sz -2));
static int hamachi_start_xmit(struct sk_buff *skb, struct net_device *dev)
{
- struct hamachi_private *hmp = dev->priv;
+ struct hamachi_private *hmp = netdev_priv(dev);
unsigned entry;
u16 status;
/* Wake the potentially-idle transmit channel. */
/* If we don't need to read status, DON'T -KDU */
- status=readw(dev->base_addr + TxStatus);
+ status=readw(hmp->base + TxStatus);
if( !(status & 0x0001) || (status & 0x0002))
- writew(0x0001, dev->base_addr + TxCmd);
+ writew(0x0001, hmp->base + TxCmd);
return 1;
}
/* Wake the potentially-idle transmit channel. */
/* If we don't need to read status, DON'T -KDU */
- status=readw(dev->base_addr + TxStatus);
+ status=readw(hmp->base + TxStatus);
if( !(status & 0x0001) || (status & 0x0002))
- writew(0x0001, dev->base_addr + TxCmd);
+ writew(0x0001, hmp->base + TxCmd);
/* Immediately before returning, let's clear as many entries as we can. */
hamachi_tx(dev);
static irqreturn_t hamachi_interrupt(int irq, void *dev_instance, struct pt_regs *rgs)
{
struct net_device *dev = dev_instance;
- struct hamachi_private *hmp;
- long ioaddr, boguscnt = max_interrupt_work;
+ struct hamachi_private *hmp = netdev_priv(dev);
+ void __iomem *ioaddr = hmp->base;
+ long boguscnt = max_interrupt_work;
int handled = 0;
#ifndef final_version /* Can never occur. */
}
#endif
- ioaddr = dev->base_addr;
- hmp = dev->priv;
spin_lock(&hmp->lock);
do {
for clarity and better register allocation. */
static int hamachi_rx(struct net_device *dev)
{
- struct hamachi_private *hmp = dev->priv;
+ struct hamachi_private *hmp = netdev_priv(dev);
int entry = hmp->cur_rx % RX_RING_SIZE;
int boguscnt = (hmp->dirty_rx + RX_RING_SIZE) - hmp->cur_rx;
desc->addr,
hmp->rx_buf_sz,
PCI_DMA_FROMDEVICE);
- buf_addr = (u8 *) hmp->rx_skbuff[entry]->tail;
+ buf_addr = (u8 *) hmp->rx_skbuff[entry]->data;
frame_status = le32_to_cpu(get_unaligned((s32*)&(buf_addr[data_size - 12])));
if (hamachi_debug > 4)
printk(KERN_DEBUG " hamachi_rx() status was %8.8x.\n",
skb->dev = dev; /* Mark as being used by this device. */
skb_reserve(skb, 2); /* Align IP on 16 byte boundaries */
desc->addr = cpu_to_leXX(pci_map_single(hmp->pci_dev,
- skb->tail, hmp->rx_buf_sz, PCI_DMA_FROMDEVICE));
+ skb->data, hmp->rx_buf_sz, PCI_DMA_FROMDEVICE));
}
desc->status_n_length = cpu_to_le32(hmp->rx_buf_sz);
if (entry >= RX_RING_SIZE-1)
/* Restart Rx engine if stopped. */
/* If we don't need to check status, don't. -KDU */
- if (readw(dev->base_addr + RxStatus) & 0x0002)
- writew(0x0001, dev->base_addr + RxCmd);
+ if (readw(hmp->base + RxStatus) & 0x0002)
+ writew(0x0001, hmp->base + RxCmd);
return 0;
}
than just errors. */
static void hamachi_error(struct net_device *dev, int intr_status)
{
- long ioaddr = dev->base_addr;
- struct hamachi_private *hmp = dev->priv;
+ struct hamachi_private *hmp = netdev_priv(dev);
+ void __iomem *ioaddr = hmp->base;
if (intr_status & (LinkChange|NegotiationChange)) {
if (hamachi_debug > 1)
static int hamachi_close(struct net_device *dev)
{
- long ioaddr = dev->base_addr;
- struct hamachi_private *hmp = dev->priv;
+ struct hamachi_private *hmp = netdev_priv(dev);
+ void __iomem *ioaddr = hmp->base;
struct sk_buff *skb;
int i;
readl(ioaddr + RxCurPtr) == (long)&hmp->rx_ring[i] ? '>' : ' ',
i, hmp->rx_ring[i].status_n_length, hmp->rx_ring[i].addr);
if (hamachi_debug > 6) {
- if (*(u8*)hmp->rx_skbuff[i]->tail != 0x69) {
+ if (*(u8*)hmp->rx_skbuff[i]->data != 0x69) {
u16 *addr = (u16 *)
- hmp->rx_skbuff[i]->tail;
+ hmp->rx_skbuff[i]->data;
int j;
for (j = 0; j < 0x50; j++)
static struct net_device_stats *hamachi_get_stats(struct net_device *dev)
{
- long ioaddr = dev->base_addr;
- struct hamachi_private *hmp = dev->priv;
+ struct hamachi_private *hmp = netdev_priv(dev);
+ void __iomem *ioaddr = hmp->base;
/* We should lock this segment of code for SMP eventually, although
the vulnerability window is very small and statistics are
static void set_rx_mode(struct net_device *dev)
{
- long ioaddr = dev->base_addr;
+ struct hamachi_private *hmp = netdev_priv(dev);
+ void __iomem *ioaddr = hmp->base;
if (dev->flags & IFF_PROMISC) { /* Set promiscuous. */
/* Unconditionally log net taps. */
}
}
-static int netdev_ethtool_ioctl(struct net_device *dev, void __user *useraddr)
+static int check_if_running(struct net_device *dev)
{
- struct hamachi_private *np = dev->priv;
- u32 ethcmd;
-
- if (copy_from_user(ðcmd, useraddr, sizeof(ethcmd)))
- return -EFAULT;
-
- switch (ethcmd) {
- case ETHTOOL_GDRVINFO: {
- struct ethtool_drvinfo info = {ETHTOOL_GDRVINFO};
- strcpy(info.driver, DRV_NAME);
- strcpy(info.version, DRV_VERSION);
- strcpy(info.bus_info, pci_name(np->pci_dev));
- if (copy_to_user(useraddr, &info, sizeof(info)))
- return -EFAULT;
- return 0;
- }
+ if (!netif_running(dev))
+ return -EINVAL;
+ return 0;
+}
- /* get settings */
- case ETHTOOL_GSET: {
- struct ethtool_cmd ecmd = { ETHTOOL_GSET };
- if (!(chip_tbl[np->chip_id].flags & CanHaveMII))
- return -EINVAL;
- spin_lock_irq(&np->lock);
- mii_ethtool_gset(&np->mii_if, &ecmd);
- spin_unlock_irq(&np->lock);
- if (copy_to_user(useraddr, &ecmd, sizeof(ecmd)))
- return -EFAULT;
- return 0;
- }
- /* set settings */
- case ETHTOOL_SSET: {
- int r;
- struct ethtool_cmd ecmd;
- if (!(chip_tbl[np->chip_id].flags & CanHaveMII))
- return -EINVAL;
- if (copy_from_user(&ecmd, useraddr, sizeof(ecmd)))
- return -EFAULT;
- spin_lock_irq(&np->lock);
- r = mii_ethtool_sset(&np->mii_if, &ecmd);
- spin_unlock_irq(&np->lock);
- return r;
- }
- /* restart autonegotiation */
- case ETHTOOL_NWAY_RST: {
- if (!(chip_tbl[np->chip_id].flags & CanHaveMII))
- return -EINVAL;
- return mii_nway_restart(&np->mii_if);
- }
- /* get link status */
- case ETHTOOL_GLINK: {
- struct ethtool_value edata = {ETHTOOL_GLINK};
- if (!(chip_tbl[np->chip_id].flags & CanHaveMII))
- return -EINVAL;
- edata.data = mii_link_ok(&np->mii_if);
- if (copy_to_user(useraddr, &edata, sizeof(edata)))
- return -EFAULT;
- return 0;
- }
- }
-
- return -EOPNOTSUPP;
+static void hamachi_get_drvinfo(struct net_device *dev, struct ethtool_drvinfo *info)
+{
+ struct hamachi_private *np = netdev_priv(dev);
+ strcpy(info->driver, DRV_NAME);
+ strcpy(info->version, DRV_VERSION);
+ strcpy(info->bus_info, pci_name(np->pci_dev));
+}
+
+static int hamachi_get_settings(struct net_device *dev, struct ethtool_cmd *ecmd)
+{
+ struct hamachi_private *np = netdev_priv(dev);
+ spin_lock_irq(&np->lock);
+ mii_ethtool_gset(&np->mii_if, ecmd);
+ spin_unlock_irq(&np->lock);
+ return 0;
+}
+
+static int hamachi_set_settings(struct net_device *dev, struct ethtool_cmd *ecmd)
+{
+ struct hamachi_private *np = netdev_priv(dev);
+ int res;
+ spin_lock_irq(&np->lock);
+ res = mii_ethtool_sset(&np->mii_if, ecmd);
+ spin_unlock_irq(&np->lock);
+ return res;
}
+static int hamachi_nway_reset(struct net_device *dev)
+{
+ struct hamachi_private *np = netdev_priv(dev);
+ return mii_nway_restart(&np->mii_if);
+}
+
+static u32 hamachi_get_link(struct net_device *dev)
+{
+ struct hamachi_private *np = netdev_priv(dev);
+ return mii_link_ok(&np->mii_if);
+}
+
+static struct ethtool_ops ethtool_ops = {
+ .begin = check_if_running,
+ .get_drvinfo = hamachi_get_drvinfo,
+ .get_settings = hamachi_get_settings,
+ .set_settings = hamachi_set_settings,
+ .nway_reset = hamachi_nway_reset,
+ .get_link = hamachi_get_link,
+};
+
+static struct ethtool_ops ethtool_ops_no_mii = {
+ .begin = check_if_running,
+ .get_drvinfo = hamachi_get_drvinfo,
+};
+
static int netdev_ioctl(struct net_device *dev, struct ifreq *rq, int cmd)
{
- struct hamachi_private *np = dev->priv;
+ struct hamachi_private *np = netdev_priv(dev);
struct mii_ioctl_data *data = if_mii(rq);
int rc;
if (!netif_running(dev))
return -EINVAL;
- if (cmd == SIOCETHTOOL)
- rc = netdev_ethtool_ioctl(dev, rq->ifr_data);
-
- else if (cmd == (SIOCDEVPRIVATE+3)) { /* set rx,tx intr params */
+ if (cmd == (SIOCDEVPRIVATE+3)) { /* set rx,tx intr params */
u32 *d = (u32 *)&rq->ifr_ifru;
/* Should add this check here or an ordinary user can do nasty
* things. -KDU
*/
if (!capable(CAP_NET_ADMIN))
return -EPERM;
- writel(d[0], dev->base_addr + TxIntrCtrl);
- writel(d[1], dev->base_addr + RxIntrCtrl);
+ writel(d[0], np->base + TxIntrCtrl);
+ writel(d[1], np->base + RxIntrCtrl);
printk(KERN_NOTICE "%s: tx %08x, rx %08x intr\n", dev->name,
- (u32) readl(dev->base_addr + TxIntrCtrl),
- (u32) readl(dev->base_addr + RxIntrCtrl));
+ (u32) readl(np->base + TxIntrCtrl),
+ (u32) readl(np->base + RxIntrCtrl));
rc = 0;
}
struct net_device *dev = pci_get_drvdata(pdev);
if (dev) {
- struct hamachi_private *hmp = dev->priv;
+ struct hamachi_private *hmp = netdev_priv(dev);
pci_free_consistent(pdev, RX_TOTAL_SIZE, hmp->rx_ring,
hmp->rx_ring_dma);
pci_free_consistent(pdev, TX_TOTAL_SIZE, hmp->tx_ring,
hmp->tx_ring_dma);
unregister_netdev(dev);
- iounmap((char *)dev->base_addr);
+ iounmap(hmp->base);
free_netdev(dev);
pci_release_regions(pdev);
pci_set_drvdata(pdev, NULL);
#ifdef MODULE
printk(version);
#endif
- if (pci_register_driver(&hamachi_driver) > 0)
- return 0;
- pci_unregister_driver(&hamachi_driver);
- return -ENODEV;
+ return pci_register_driver(&hamachi_driver);
}
static void __exit hamachi_exit (void)
git://git.onelab.eu / linux-2.6.git / blobdiff