#include <linux/delay.h>
#include <net/syncppp.h>
#include <linux/hdlc.h>
+#include <linux/mutex.h>
/* Version */
static const char version[] = "$Id: dscc4.c,v 1.173 2003/09/20 23:55:34 romieu Exp $ for Linux\n";
static int quartz;
#ifdef CONFIG_DSCC4_PCI_RST
-static DECLARE_MUTEX(dscc4_sem);
+static DEFINE_MUTEX(dscc4_mutex);
static u32 dscc4_pci_config_store[16];
#endif
static void dscc4_release_ring(struct dscc4_dev_priv *);
static void dscc4_timer(unsigned long);
static void dscc4_tx_timeout(struct net_device *);
-static irqreturn_t dscc4_irq(int irq, void *dev_id, struct pt_regs *ptregs);
+static irqreturn_t dscc4_irq(int irq, void *dev_id);
static int dscc4_hdlc_attach(struct net_device *, unsigned short, unsigned short);
static int dscc4_set_iface(struct dscc4_dev_priv *, struct net_device *);
#ifdef DSCC4_POLLING
return readl(dpriv->base_addr + CH0FTDA + dpriv->dev_id*4) == dpriv->ltda;
}
-int state_check(u32 state, struct dscc4_dev_priv *dpriv, struct net_device *dev,
- const char *msg)
+static int state_check(u32 state, struct dscc4_dev_priv *dpriv,
+ struct net_device *dev, const char *msg)
{
int ret = 0;
return ret;
}
-void dscc4_tx_print(struct net_device *dev, struct dscc4_dev_priv *dpriv,
- char *msg)
+static void dscc4_tx_print(struct net_device *dev,
+ struct dscc4_dev_priv *dpriv,
+ char *msg)
{
printk(KERN_DEBUG "%s: tx_current=%02d tx_dirty=%02d (%s)\n",
dev->name, dpriv->tx_current, dpriv->tx_dirty, msg);
}
}
-inline int try_get_rx_skb(struct dscc4_dev_priv *dpriv, struct net_device *dev)
+static inline int try_get_rx_skb(struct dscc4_dev_priv *dpriv,
+ struct net_device *dev)
{
unsigned int dirty = dpriv->rx_dirty%RX_RING_SIZE;
struct RxFD *rx_fd = dpriv->rx_fd + dirty;
msg, i);
goto done;
}
- set_current_state(TASK_UNINTERRUPTIBLE);
- schedule_timeout(10);
+ schedule_timeout_uninterruptible(10);
rmb();
} while (++i > 0);
printk(KERN_ERR "%s: %s timeout\n", dev->name, msg);
(dpriv->iqtx[cur] & Xpr))
break;
smp_rmb();
- set_current_state(TASK_UNINTERRUPTIBLE);
- schedule_timeout(10);
+ schedule_timeout_uninterruptible(10);
} while (++i > 0);
return (i >= 0 ) ? i : -EAGAIN;
ioaddr = ioremap(pci_resource_start(pdev, 0),
pci_resource_len(pdev, 0));
if (!ioaddr) {
- printk(KERN_ERR "%s: cannot remap MMIO region %lx @ %lx\n",
- DRV_NAME, pci_resource_len(pdev, 0),
- pci_resource_start(pdev, 0));
+ printk(KERN_ERR "%s: cannot remap MMIO region %llx @ %llx\n",
+ DRV_NAME, (unsigned long long)pci_resource_len(pdev, 0),
+ (unsigned long long)pci_resource_start(pdev, 0));
rc = -EIO;
goto err_free_mmio_regions_2;
}
- printk(KERN_DEBUG "Siemens DSCC4, MMIO at %#lx (regs), %#lx (lbi), IRQ %d\n",
- pci_resource_start(pdev, 0),
- pci_resource_start(pdev, 1), pdev->irq);
+ printk(KERN_DEBUG "Siemens DSCC4, MMIO at %#llx (regs), %#llx (lbi), IRQ %d\n",
+ (unsigned long long)pci_resource_start(pdev, 0),
+ (unsigned long long)pci_resource_start(pdev, 1), pdev->irq);
/* Cf errata DS5 p.2 */
pci_write_config_byte(pdev, PCI_LATENCY_TIMER, 0xf8);
priv = pci_get_drvdata(pdev);
- rc = request_irq(pdev->irq, dscc4_irq, SA_SHIRQ, DRV_NAME, priv->root);
+ rc = request_irq(pdev->irq, dscc4_irq, IRQF_SHARED, DRV_NAME, priv->root);
if (rc < 0) {
printk(KERN_WARNING "%s: IRQ %d busy\n", DRV_NAME, pdev->irq);
goto err_release_4;
{
int i;
- down(&dscc4_sem);
+ mutex_lock(&dscc4_mutex);
for (i = 0; i < 16; i++)
pci_read_config_dword(pdev, i << 2, dscc4_pci_config_store + i);
/* Flush posted writes */
readl(ioaddr + GSTAR);
- set_current_state(TASK_UNINTERRUPTIBLE);
- schedule_timeout(10);
+ schedule_timeout_uninterruptible(10);
for (i = 0; i < 16; i++)
pci_write_config_dword(pdev, i << 2, dscc4_pci_config_store[i]);
- up(&dscc4_sem);
+ mutex_unlock(&dscc4_mutex);
}
#else
#define dscc4_pci_reset(pdev,ioaddr) do {} while (0)
return ret;
}
-static irqreturn_t dscc4_irq(int irq, void *token, struct pt_regs *ptregs)
+static irqreturn_t dscc4_irq(int irq, void *token)
{
struct dscc4_dev_priv *root = token;
struct dscc4_pci_priv *priv;
* It failed and locked solid. Thus the introduction of a dummy skb.
* Problem is acknowledged in errata sheet DS5. Joy :o/
*/
-struct sk_buff *dscc4_init_dummy_skb(struct dscc4_dev_priv *dpriv)
+static struct sk_buff *dscc4_init_dummy_skb(struct dscc4_dev_priv *dpriv)
{
struct sk_buff *skb;
(++i%TX_RING_SIZE)*sizeof(*tx_fd));
} while (i < TX_RING_SIZE);
- if (dscc4_init_dummy_skb(dpriv) < 0)
+ if (!dscc4_init_dummy_skb(dpriv))
goto err_free_dma_tx;
memset(dpriv->rx_skbuff, 0, sizeof(struct sk_buff *)*RX_RING_SIZE);
static int __init dscc4_init_module(void)
{
- return pci_module_init(&dscc4_driver);
+ return pci_register_driver(&dscc4_driver);
}
static void __exit dscc4_cleanup_module(void)