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path: root/drivers/net/mipsnet.c
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Diffstat (limited to 'drivers/net/mipsnet.c')
-rw-r--r--drivers/net/mipsnet.c44
1 files changed, 4 insertions, 40 deletions
diff --git a/drivers/net/mipsnet.c b/drivers/net/mipsnet.c
index 37707a0c049..aafc3ce59cb 100644
--- a/drivers/net/mipsnet.c
+++ b/drivers/net/mipsnet.c
@@ -30,6 +30,7 @@ static int ioiocpy_frommipsnet(struct net_device *dev, unsigned char *kdata,
int len)
{
uint32_t available_len = inl(mipsnet_reg_address(dev, rxDataCount));
+
if (available_len < len)
return -EFAULT;
@@ -45,14 +46,8 @@ static inline ssize_t mipsnet_put_todevice(struct net_device *dev,
int count_to_go = skb->len;
char *buf_ptr = skb->data;
- pr_debug("%s: %s(): telling MIPSNET txDataCount(%d)\n",
- dev->name, __FUNCTION__, skb->len);
-
outl(skb->len, mipsnet_reg_address(dev, txDataCount));
- pr_debug("%s: %s(): sending data to MIPSNET txDataBuffer(%d)\n",
- dev->name, __FUNCTION__, skb->len);
-
for (; count_to_go; buf_ptr++, count_to_go--)
outb(*buf_ptr, mipsnet_reg_address(dev, txDataBuffer));
@@ -64,10 +59,8 @@ static inline ssize_t mipsnet_put_todevice(struct net_device *dev,
static int mipsnet_xmit(struct sk_buff *skb, struct net_device *dev)
{
- pr_debug("%s:%s(): transmitting %d bytes\n",
- dev->name, __FUNCTION__, skb->len);
-
- /* Only one packet at a time. Once TXDONE interrupt is serviced, the
+ /*
+ * Only one packet at a time. Once TXDONE interrupt is serviced, the
* queue will be restarted.
*/
netif_stop_queue(dev);
@@ -94,8 +87,6 @@ static inline ssize_t mipsnet_get_fromdev(struct net_device *dev, size_t count)
skb->protocol = eth_type_trans(skb, dev);
skb->ip_summed = CHECKSUM_UNNECESSARY;
- pr_debug("%s:%s(): pushing RXed data to kernel\n",
- dev->name, __FUNCTION__);
netif_rx(skb);
dev->stats.rx_packets++;
@@ -112,44 +103,29 @@ static irqreturn_t mipsnet_interrupt(int irq, void *dev_id)
uint64_t interruptFlags;
if (irq == dev->irq) {
- pr_debug("%s:%s(): irq %d for device\n",
- dev->name, __FUNCTION__, irq);
-
retval = IRQ_HANDLED;
interruptFlags =
inl(mipsnet_reg_address(dev, interruptControl));
- pr_debug("%s:%s(): intCtl=0x%016llx\n", dev->name,
- __FUNCTION__, interruptFlags);
if (interruptFlags & MIPSNET_INTCTL_TXDONE) {
- pr_debug("%s:%s(): got TXDone\n",
- dev->name, __FUNCTION__);
outl(MIPSNET_INTCTL_TXDONE,
mipsnet_reg_address(dev, interruptControl));
/* only one packet at a time, we are done. */
netif_wake_queue(dev);
} else if (interruptFlags & MIPSNET_INTCTL_RXDONE) {
- pr_debug("%s:%s(): got RX data\n",
- dev->name, __FUNCTION__);
mipsnet_get_fromdev(dev,
inl(mipsnet_reg_address(dev, rxDataCount)));
- pr_debug("%s:%s(): clearing RX int\n",
- dev->name, __FUNCTION__);
outl(MIPSNET_INTCTL_RXDONE,
mipsnet_reg_address(dev, interruptControl));
} else if (interruptFlags & MIPSNET_INTCTL_TESTBIT) {
- pr_debug("%s:%s(): got test interrupt\n",
- dev->name, __FUNCTION__);
/*
* TESTBIT is cleared on read.
* And takes effect after a write with 0
*/
outl(0, mipsnet_reg_address(dev, interruptControl));
} else {
- pr_debug("%s:%s(): no valid fags 0x%016llx\n",
- dev->name, __FUNCTION__, interruptFlags);
/* Maybe shared IRQ, just ignore, no clearing. */
retval = IRQ_NONE;
}
@@ -165,22 +141,15 @@ static irqreturn_t mipsnet_interrupt(int irq, void *dev_id)
static int mipsnet_open(struct net_device *dev)
{
int err;
- pr_debug("%s: mipsnet_open\n", dev->name);
err = request_irq(dev->irq, &mipsnet_interrupt,
IRQF_SHARED, dev->name, (void *) dev);
if (err) {
- pr_debug("%s: %s(): can't get irq %d\n",
- dev->name, __FUNCTION__, dev->irq);
release_region(dev->base_addr, MIPSNET_IO_EXTENT);
return err;
}
- pr_debug("%s: %s(): got IO region at 0x%04lx and irq %d for dev.\n",
- dev->name, __FUNCTION__, dev->base_addr, dev->irq);
-
-
netif_start_queue(dev);
/* test interrupt handler */
@@ -193,8 +162,8 @@ static int mipsnet_open(struct net_device *dev)
static int mipsnet_close(struct net_device *dev)
{
- pr_debug("%s: %s()\n", dev->name, __FUNCTION__);
netif_stop_queue(dev);
+
return 0;
}
@@ -229,9 +198,6 @@ static int __init mipsnet_probe(struct device *dev)
/* Get the io region now, get irq on open() */
if (!request_region(netdev->base_addr, MIPSNET_IO_EXTENT, "mipsnet")) {
- pr_debug("%s: %s(): IO region {start: 0x%04lux, len: %d} "
- "for dev is not availble.\n", netdev->name,
- __FUNCTION__, netdev->base_addr, MIPSNET_IO_EXTENT);
err = -EBUSY;
goto out_free_netdev;
}
@@ -295,8 +261,6 @@ static int __init mipsnet_init_module(void)
static void __exit mipsnet_exit_module(void)
{
- pr_debug("MIPSNet Ethernet driver exiting\n");
-
driver_unregister(&mipsnet_driver);
}