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path: root/drivers/net/tlan.c
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Diffstat (limited to 'drivers/net/tlan.c')
-rw-r--r--drivers/net/tlan.c61
1 files changed, 17 insertions, 44 deletions
diff --git a/drivers/net/tlan.c b/drivers/net/tlan.c
index afc831002db2..01aa331e1838 100644
--- a/drivers/net/tlan.c
+++ b/drivers/net/tlan.c
@@ -218,7 +218,7 @@ static int bbuf;
module_param(bbuf, int, 0);
MODULE_PARM_DESC(bbuf, "ThunderLAN use big buffer (0-1)");
-static char TLanSignature[] = "TLAN";
+static const char TLanSignature[] = "TLAN";
static const char tlan_banner[] = "ThunderLAN driver v1.15\n";
static int tlan_have_pci;
static int tlan_have_eisa;
@@ -297,7 +297,6 @@ static void TLan_tx_timeout( struct net_device *dev);
static void TLan_tx_timeout_work(struct work_struct *work);
static int tlan_init_one( struct pci_dev *pdev, const struct pci_device_id *ent);
-static u32 TLan_HandleInvalid( struct net_device *, u16 );
static u32 TLan_HandleTxEOF( struct net_device *, u16 );
static u32 TLan_HandleStatOverflow( struct net_device *, u16 );
static u32 TLan_HandleRxEOF( struct net_device *, u16 );
@@ -366,7 +365,7 @@ TLan_GetSKB( const struct tlan_list_tag *tag)
static TLanIntVectorFunc *TLanIntVector[TLAN_INT_NUMBER_OF_INTS] = {
- TLan_HandleInvalid,
+ NULL,
TLan_HandleTxEOF,
TLan_HandleStatOverflow,
TLan_HandleRxEOF,
@@ -935,7 +934,8 @@ static int TLan_Open( struct net_device *dev )
int err;
priv->tlanRev = TLan_DioRead8( dev->base_addr, TLAN_DEF_REVISION );
- err = request_irq( dev->irq, TLan_HandleInterrupt, IRQF_SHARED, TLanSignature, dev );
+ err = request_irq( dev->irq, TLan_HandleInterrupt, IRQF_SHARED,
+ dev->name, dev );
if ( err ) {
printk(KERN_ERR "TLAN: Cannot open %s because IRQ %d is already in use.\n", dev->name, dev->irq );
@@ -1167,33 +1167,31 @@ static int TLan_StartTx( struct sk_buff *skb, struct net_device *dev )
static irqreturn_t TLan_HandleInterrupt(int irq, void *dev_id)
{
- u32 ack;
- struct net_device *dev;
- u32 host_cmd;
+ struct net_device *dev = dev_id;
+ TLanPrivateInfo *priv = netdev_priv(dev);
u16 host_int;
- int type;
- TLanPrivateInfo *priv;
-
- dev = dev_id;
- priv = netdev_priv(dev);
+ u16 type;
spin_lock(&priv->lock);
host_int = inw( dev->base_addr + TLAN_HOST_INT );
- outw( host_int, dev->base_addr + TLAN_HOST_INT );
-
type = ( host_int & TLAN_HI_IT_MASK ) >> 2;
+ if ( type ) {
+ u32 ack;
+ u32 host_cmd;
- ack = TLanIntVector[type]( dev, host_int );
+ outw( host_int, dev->base_addr + TLAN_HOST_INT );
+ ack = TLanIntVector[type]( dev, host_int );
- if ( ack ) {
- host_cmd = TLAN_HC_ACK | ack | ( type << 18 );
- outl( host_cmd, dev->base_addr + TLAN_HOST_CMD );
+ if ( ack ) {
+ host_cmd = TLAN_HC_ACK | ack | ( type << 18 );
+ outl( host_cmd, dev->base_addr + TLAN_HOST_CMD );
+ }
}
spin_unlock(&priv->lock);
- return IRQ_HANDLED;
+ return IRQ_RETVAL(type);
} /* TLan_HandleInterrupts */
@@ -1359,31 +1357,6 @@ static void TLan_SetMulticastList( struct net_device *dev )
*****************************************************************************/
- /***************************************************************
- * TLan_HandleInvalid
- *
- * Returns:
- * 0
- * Parms:
- * dev Device assigned the IRQ that was
- * raised.
- * host_int The contents of the HOST_INT
- * port.
- *
- * This function handles invalid interrupts. This should
- * never happen unless some other adapter is trying to use
- * the IRQ line assigned to the device.
- *
- **************************************************************/
-
-static u32 TLan_HandleInvalid( struct net_device *dev, u16 host_int )
-{
- /* printk( "TLAN: Invalid interrupt on %s.\n", dev->name ); */
- return 0;
-
-} /* TLan_HandleInvalid */
-
-
/***************************************************************