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path: root/drivers/net/arm/at91_ether.c
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Diffstat (limited to 'drivers/net/arm/at91_ether.c')
-rw-r--r--drivers/net/arm/at91_ether.c88
1 files changed, 47 insertions, 41 deletions
diff --git a/drivers/net/arm/at91_ether.c b/drivers/net/arm/at91_ether.c
index b54b857e357..fada15d959d 100644
--- a/drivers/net/arm/at91_ether.c
+++ b/drivers/net/arm/at91_ether.c
@@ -41,9 +41,6 @@
#define DRV_NAME "at91_ether"
#define DRV_VERSION "1.0"
-static struct net_device *at91_dev;
-
-static struct timer_list check_timer;
#define LINK_POLL_INTERVAL (HZ)
/* ..................................................................... */
@@ -146,7 +143,7 @@ static void read_phy(unsigned char phy_addr, unsigned char address, unsigned int
*/
static void update_linkspeed(struct net_device *dev, int silent)
{
- struct at91_private *lp = (struct at91_private *) dev->priv;
+ struct at91_private *lp = netdev_priv(dev);
unsigned int bmsr, bmcr, lpa, mac_cfg;
unsigned int speed, duplex;
@@ -199,7 +196,7 @@ static void update_linkspeed(struct net_device *dev, int silent)
static irqreturn_t at91ether_phy_interrupt(int irq, void *dev_id)
{
struct net_device *dev = (struct net_device *) dev_id;
- struct at91_private *lp = (struct at91_private *) dev->priv;
+ struct at91_private *lp = netdev_priv(dev);
unsigned int phy;
/*
@@ -242,7 +239,7 @@ done:
*/
static void enable_phyirq(struct net_device *dev)
{
- struct at91_private *lp = (struct at91_private *) dev->priv;
+ struct at91_private *lp = netdev_priv(dev);
unsigned int dsintr, irq_number;
int status;
@@ -252,8 +249,7 @@ static void enable_phyirq(struct net_device *dev)
* PHY doesn't have an IRQ pin (RTL8201, DP83847, AC101L),
* or board does not have it connected.
*/
- check_timer.expires = jiffies + LINK_POLL_INTERVAL;
- add_timer(&check_timer);
+ mod_timer(&lp->check_timer, jiffies + LINK_POLL_INTERVAL);
return;
}
@@ -294,13 +290,13 @@ static void enable_phyirq(struct net_device *dev)
*/
static void disable_phyirq(struct net_device *dev)
{
- struct at91_private *lp = (struct at91_private *) dev->priv;
+ struct at91_private *lp = netdev_priv(dev);
unsigned int dsintr;
unsigned int irq_number;
irq_number = lp->board_data.phy_irq_pin;
if (!irq_number) {
- del_timer_sync(&check_timer);
+ del_timer_sync(&lp->check_timer);
return;
}
@@ -340,7 +336,7 @@ static void disable_phyirq(struct net_device *dev)
#if 0
static void reset_phy(struct net_device *dev)
{
- struct at91_private *lp = (struct at91_private *) dev->priv;
+ struct at91_private *lp = netdev_priv(dev);
unsigned int bmcr;
spin_lock_irq(&lp->lock);
@@ -362,13 +358,13 @@ static void reset_phy(struct net_device *dev)
static void at91ether_check_link(unsigned long dev_id)
{
struct net_device *dev = (struct net_device *) dev_id;
+ struct at91_private *lp = netdev_priv(dev);
enable_mdi();
update_linkspeed(dev, 1);
disable_mdi();
- check_timer.expires = jiffies + LINK_POLL_INTERVAL;
- add_timer(&check_timer);
+ mod_timer(&lp->check_timer, jiffies + LINK_POLL_INTERVAL);
}
/* ......................... ADDRESS MANAGEMENT ........................ */
@@ -590,7 +586,7 @@ static void mdio_write(struct net_device *dev, int phy_id, int location, int val
static int at91ether_get_settings(struct net_device *dev, struct ethtool_cmd *cmd)
{
- struct at91_private *lp = (struct at91_private *) dev->priv;
+ struct at91_private *lp = netdev_priv(dev);
int ret;
spin_lock_irq(&lp->lock);
@@ -611,7 +607,7 @@ static int at91ether_get_settings(struct net_device *dev, struct ethtool_cmd *cm
static int at91ether_set_settings(struct net_device *dev, struct ethtool_cmd *cmd)
{
- struct at91_private *lp = (struct at91_private *) dev->priv;
+ struct at91_private *lp = netdev_priv(dev);
int ret;
spin_lock_irq(&lp->lock);
@@ -627,7 +623,7 @@ static int at91ether_set_settings(struct net_device *dev, struct ethtool_cmd *cm
static int at91ether_nwayreset(struct net_device *dev)
{
- struct at91_private *lp = (struct at91_private *) dev->priv;
+ struct at91_private *lp = netdev_priv(dev);
int ret;
spin_lock_irq(&lp->lock);
@@ -658,7 +654,7 @@ static const struct ethtool_ops at91ether_ethtool_ops = {
static int at91ether_ioctl(struct net_device *dev, struct ifreq *rq, int cmd)
{
- struct at91_private *lp = (struct at91_private *) dev->priv;
+ struct at91_private *lp = netdev_priv(dev);
int res;
if (!netif_running(dev))
@@ -680,7 +676,7 @@ static int at91ether_ioctl(struct net_device *dev, struct ifreq *rq, int cmd)
*/
static void at91ether_start(struct net_device *dev)
{
- struct at91_private *lp = (struct at91_private *) dev->priv;
+ struct at91_private *lp = netdev_priv(dev);
struct recv_desc_bufs *dlist, *dlist_phys;
int i;
unsigned long ctl;
@@ -712,7 +708,7 @@ static void at91ether_start(struct net_device *dev)
*/
static int at91ether_open(struct net_device *dev)
{
- struct at91_private *lp = (struct at91_private *) dev->priv;
+ struct at91_private *lp = netdev_priv(dev);
unsigned long ctl;
if (!is_valid_ether_addr(dev->dev_addr))
@@ -752,7 +748,7 @@ static int at91ether_open(struct net_device *dev)
*/
static int at91ether_close(struct net_device *dev)
{
- struct at91_private *lp = (struct at91_private *) dev->priv;
+ struct at91_private *lp = netdev_priv(dev);
unsigned long ctl;
/* Disable Receiver and Transmitter */
@@ -779,7 +775,7 @@ static int at91ether_close(struct net_device *dev)
*/
static int at91ether_tx(struct sk_buff *skb, struct net_device *dev)
{
- struct at91_private *lp = (struct at91_private *) dev->priv;
+ struct at91_private *lp = netdev_priv(dev);
if (at91_emac_read(AT91_EMAC_TSR) & AT91_EMAC_TSR_BNQ) {
netif_stop_queue(dev);
@@ -811,7 +807,7 @@ static int at91ether_tx(struct sk_buff *skb, struct net_device *dev)
*/
static struct net_device_stats *at91ether_stats(struct net_device *dev)
{
- struct at91_private *lp = (struct at91_private *) dev->priv;
+ struct at91_private *lp = netdev_priv(dev);
int ale, lenerr, seqe, lcol, ecol;
if (netif_running(dev)) {
@@ -847,7 +843,7 @@ static struct net_device_stats *at91ether_stats(struct net_device *dev)
*/
static void at91ether_rx(struct net_device *dev)
{
- struct at91_private *lp = (struct at91_private *) dev->priv;
+ struct at91_private *lp = netdev_priv(dev);
struct recv_desc_bufs *dlist;
unsigned char *p_recv;
struct sk_buff *skb;
@@ -857,14 +853,13 @@ static void at91ether_rx(struct net_device *dev)
while (dlist->descriptors[lp->rxBuffIndex].addr & EMAC_DESC_DONE) {
p_recv = dlist->recv_buf[lp->rxBuffIndex];
pktlen = dlist->descriptors[lp->rxBuffIndex].size & 0x7ff; /* Length of frame including FCS */
- skb = alloc_skb(pktlen + 2, GFP_ATOMIC);
+ skb = dev_alloc_skb(pktlen + 2);
if (skb != NULL) {
skb_reserve(skb, 2);
memcpy(skb_put(skb, pktlen), p_recv, pktlen);
skb->dev = dev;
skb->protocol = eth_type_trans(skb, dev);
- skb->len = pktlen;
dev->last_rx = jiffies;
lp->stats.rx_bytes += pktlen;
netif_rx(skb);
@@ -891,7 +886,7 @@ static void at91ether_rx(struct net_device *dev)
static irqreturn_t at91ether_interrupt(int irq, void *dev_id)
{
struct net_device *dev = (struct net_device *) dev_id;
- struct at91_private *lp = (struct at91_private *) dev->priv;
+ struct at91_private *lp = netdev_priv(dev);
unsigned long intstatus, ctl;
/* MAC Interrupt Status register indicates what interrupts are pending.
@@ -927,6 +922,17 @@ static irqreturn_t at91ether_interrupt(int irq, void *dev_id)
return IRQ_HANDLED;
}
+#ifdef CONFIG_NET_POLL_CONTROLLER
+static void at91ether_poll_controller(struct net_device *dev)
+{
+ unsigned long flags;
+
+ local_irq_save(flags);
+ at91ether_interrupt(dev->irq, dev);
+ local_irq_restore(flags);
+}
+#endif
+
/*
* Initialize the ethernet interface
*/
@@ -939,9 +945,6 @@ static int __init at91ether_setup(unsigned long phy_type, unsigned short phy_add
unsigned int val;
int res;
- if (at91_dev) /* already initialized */
- return 0;
-
dev = alloc_etherdev(sizeof(struct at91_private));
if (!dev)
return -ENOMEM;
@@ -957,7 +960,7 @@ static int __init at91ether_setup(unsigned long phy_type, unsigned short phy_add
}
/* Allocate memory for DMA Receive descriptors */
- lp = (struct at91_private *)dev->priv;
+ lp = netdev_priv(dev);
lp->dlist = (struct recv_desc_bufs *) dma_alloc_coherent(NULL, sizeof(struct recv_desc_bufs), (dma_addr_t *) &lp->dlist_phys, GFP_KERNEL);
if (lp->dlist == NULL) {
free_irq(dev->irq, dev);
@@ -979,6 +982,9 @@ static int __init at91ether_setup(unsigned long phy_type, unsigned short phy_add
dev->set_mac_address = set_mac_address;
dev->ethtool_ops = &at91ether_ethtool_ops;
dev->do_ioctl = at91ether_ioctl;
+#ifdef CONFIG_NET_POLL_CONTROLLER
+ dev->poll_controller = at91ether_poll_controller;
+#endif
SET_NETDEV_DEV(dev, &pdev->dev);
@@ -1024,7 +1030,6 @@ static int __init at91ether_setup(unsigned long phy_type, unsigned short phy_add
dma_free_coherent(NULL, sizeof(struct recv_desc_bufs), lp->dlist, (dma_addr_t)lp->dlist_phys);
return res;
}
- at91_dev = dev;
/* Determine current link speed */
spin_lock_irq(&lp->lock);
@@ -1036,9 +1041,9 @@ static int __init at91ether_setup(unsigned long phy_type, unsigned short phy_add
/* If board has no PHY IRQ, use a timer to poll the PHY */
if (!lp->board_data.phy_irq_pin) {
- init_timer(&check_timer);
- check_timer.data = (unsigned long)dev;
- check_timer.function = at91ether_check_link;
+ init_timer(&lp->check_timer);
+ lp->check_timer.data = (unsigned long)dev;
+ lp->check_timer.function = at91ether_check_link;
}
/* Display ethernet banner */
@@ -1115,15 +1120,16 @@ static int __init at91ether_probe(struct platform_device *pdev)
static int __devexit at91ether_remove(struct platform_device *pdev)
{
- struct at91_private *lp = (struct at91_private *) at91_dev->priv;
+ struct net_device *dev = platform_get_drvdata(pdev);
+ struct at91_private *lp = netdev_priv(dev);
- unregister_netdev(at91_dev);
- free_irq(at91_dev->irq, at91_dev);
+ unregister_netdev(dev);
+ free_irq(dev->irq, dev);
dma_free_coherent(NULL, sizeof(struct recv_desc_bufs), lp->dlist, (dma_addr_t)lp->dlist_phys);
clk_put(lp->ether_clk);
- free_netdev(at91_dev);
- at91_dev = NULL;
+ platform_set_drvdata(pdev, NULL);
+ free_netdev(dev);
return 0;
}
@@ -1131,8 +1137,8 @@ static int __devexit at91ether_remove(struct platform_device *pdev)
static int at91ether_suspend(struct platform_device *pdev, pm_message_t mesg)
{
- struct at91_private *lp = (struct at91_private *) at91_dev->priv;
struct net_device *net_dev = platform_get_drvdata(pdev);
+ struct at91_private *lp = netdev_priv(net_dev);
int phy_irq = lp->board_data.phy_irq_pin;
if (netif_running(net_dev)) {
@@ -1149,8 +1155,8 @@ static int at91ether_suspend(struct platform_device *pdev, pm_message_t mesg)
static int at91ether_resume(struct platform_device *pdev)
{
- struct at91_private *lp = (struct at91_private *) at91_dev->priv;
struct net_device *net_dev = platform_get_drvdata(pdev);
+ struct at91_private *lp = netdev_priv(net_dev);
int phy_irq = lp->board_data.phy_irq_pin;
if (netif_running(net_dev)) {