X-Git-Url: http://git.onelab.eu/?a=blobdiff_plain;f=drivers%2Fnet%2Farm%2Fat91_ether.c;h=fada15d959dec6fd6a7e8f72c8c32ed50afdb3df;hb=refs%2Fheads%2Fvserver;hp=85493b7b924f5f7528538ffaf80e3bdf5ec0c5fb;hpb=76828883507a47dae78837ab5dec5a5b4513c667;p=linux-2.6.git

diff --git a/drivers/net/arm/at91_ether.c b/drivers/net/arm/at91_ether.c
index 85493b7b9..fada15d95 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;
 
@@ -196,10 +193,10 @@ static void update_linkspeed(struct net_device *dev, int silent)
 /*
  * Handle interrupts from the PHY
  */
-static irqreturn_t at91ether_phy_interrupt(int irq, void *dev_id, struct pt_regs *regs)
+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);
@@ -648,7 +644,7 @@ static void at91ether_get_drvinfo(struct net_device *dev, struct ethtool_drvinfo
 	strlcpy(info->bus_info, dev->class_dev.dev->bus_id, sizeof(info->bus_info));
 }
 
-static struct ethtool_ops at91ether_ethtool_ops = {
+static const struct ethtool_ops at91ether_ethtool_ops = {
 	.get_settings	= at91ether_get_settings,
 	.set_settings	= at91ether_set_settings,
 	.get_drvinfo	= at91ether_get_drvinfo,
@@ -658,7 +654,7 @@ static 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);
@@ -888,10 +883,10 @@ static void at91ether_rx(struct net_device *dev)
 /*
  * MAC interrupt handler
  */
-static irqreturn_t at91ether_interrupt(int irq, void *dev_id, struct pt_regs *regs)
+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, struct pt_regs *re
 	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
  */
@@ -939,15 +945,12 @@ 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;
 
 	dev->base_addr = AT91_VA_BASE_EMAC;
-	dev->irq = AT91_ID_EMAC;
+	dev->irq = AT91RM9200_ID_EMAC;
 	SET_MODULE_OWNER(dev);
 
 	/* Install the interrupt handler */
@@ -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)) {