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path: root/drivers/net/ethernet/realtek/8139cp.c
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Diffstat (limited to 'drivers/net/ethernet/realtek/8139cp.c')
-rw-r--r--drivers/net/ethernet/realtek/8139cp.c55
1 files changed, 31 insertions, 24 deletions
diff --git a/drivers/net/ethernet/realtek/8139cp.c b/drivers/net/ethernet/realtek/8139cp.c
index abc79076f867..995d0cfc4c06 100644
--- a/drivers/net/ethernet/realtek/8139cp.c
+++ b/drivers/net/ethernet/realtek/8139cp.c
@@ -635,9 +635,12 @@ static irqreturn_t cp_interrupt (int irq, void *dev_instance)
*/
static void cp_poll_controller(struct net_device *dev)
{
- disable_irq(dev->irq);
- cp_interrupt(dev->irq, dev);
- enable_irq(dev->irq);
+ struct cp_private *cp = netdev_priv(dev);
+ const int irq = cp->pdev->irq;
+
+ disable_irq(irq);
+ cp_interrupt(irq, dev);
+ enable_irq(irq);
}
#endif
@@ -958,6 +961,11 @@ static inline void cp_start_hw (struct cp_private *cp)
cpw8(Cmd, RxOn | TxOn);
}
+static void cp_enable_irq(struct cp_private *cp)
+{
+ cpw16_f(IntrMask, cp_intr_mask);
+}
+
static void cp_init_hw (struct cp_private *cp)
{
struct net_device *dev = cp->dev;
@@ -971,6 +979,17 @@ static void cp_init_hw (struct cp_private *cp)
cpw32_f (MAC0 + 0, le32_to_cpu (*(__le32 *) (dev->dev_addr + 0)));
cpw32_f (MAC0 + 4, le32_to_cpu (*(__le32 *) (dev->dev_addr + 4)));
+ cpw32_f(HiTxRingAddr, 0);
+ cpw32_f(HiTxRingAddr + 4, 0);
+
+ ring_dma = cp->ring_dma;
+ cpw32_f(RxRingAddr, ring_dma & 0xffffffff);
+ cpw32_f(RxRingAddr + 4, (ring_dma >> 16) >> 16);
+
+ ring_dma += sizeof(struct cp_desc) * CP_RX_RING_SIZE;
+ cpw32_f(TxRingAddr, ring_dma & 0xffffffff);
+ cpw32_f(TxRingAddr + 4, (ring_dma >> 16) >> 16);
+
cp_start_hw(cp);
cpw8(TxThresh, 0x06); /* XXX convert magic num to a constant */
@@ -984,21 +1003,8 @@ static void cp_init_hw (struct cp_private *cp)
cpw8(Config5, cpr8(Config5) & PMEStatus);
- cpw32_f(HiTxRingAddr, 0);
- cpw32_f(HiTxRingAddr + 4, 0);
-
- ring_dma = cp->ring_dma;
- cpw32_f(RxRingAddr, ring_dma & 0xffffffff);
- cpw32_f(RxRingAddr + 4, (ring_dma >> 16) >> 16);
-
- ring_dma += sizeof(struct cp_desc) * CP_RX_RING_SIZE;
- cpw32_f(TxRingAddr, ring_dma & 0xffffffff);
- cpw32_f(TxRingAddr + 4, (ring_dma >> 16) >> 16);
-
cpw16(MultiIntr, 0);
- cpw16_f(IntrMask, cp_intr_mask);
-
cpw8_f(Cfg9346, Cfg9346_Lock);
}
@@ -1114,6 +1120,7 @@ static void cp_free_rings (struct cp_private *cp)
static int cp_open (struct net_device *dev)
{
struct cp_private *cp = netdev_priv(dev);
+ const int irq = cp->pdev->irq;
int rc;
netif_dbg(cp, ifup, dev, "enabling interface\n");
@@ -1126,10 +1133,12 @@ static int cp_open (struct net_device *dev)
cp_init_hw(cp);
- rc = request_irq(dev->irq, cp_interrupt, IRQF_SHARED, dev->name, dev);
+ rc = request_irq(irq, cp_interrupt, IRQF_SHARED, dev->name, dev);
if (rc)
goto err_out_hw;
+ cp_enable_irq(cp);
+
netif_carrier_off(dev);
mii_check_media(&cp->mii_if, netif_msg_link(cp), true);
netif_start_queue(dev);
@@ -1161,7 +1170,7 @@ static int cp_close (struct net_device *dev)
spin_unlock_irqrestore(&cp->lock, flags);
- free_irq(dev->irq, dev);
+ free_irq(cp->pdev->irq, dev);
cp_free_rings(cp);
return 0;
@@ -1627,7 +1636,7 @@ static void eeprom_cmd(void __iomem *ee_addr, int cmd, int cmd_len)
static void eeprom_cmd_end(void __iomem *ee_addr)
{
- writeb (~EE_CS, ee_addr);
+ writeb(0, ee_addr);
eeprom_delay ();
}
@@ -1909,7 +1918,6 @@ static int cp_init_one (struct pci_dev *pdev, const struct pci_device_id *ent)
(unsigned long long)pciaddr);
goto err_out_res;
}
- dev->base_addr = (unsigned long) regs;
cp->regs = regs;
cp_stop_hw(cp);
@@ -1937,14 +1945,12 @@ static int cp_init_one (struct pci_dev *pdev, const struct pci_device_id *ent)
dev->vlan_features = NETIF_F_SG | NETIF_F_IP_CSUM | NETIF_F_TSO |
NETIF_F_HIGHDMA;
- dev->irq = pdev->irq;
-
rc = register_netdev(dev);
if (rc)
goto err_out_iomap;
- netdev_info(dev, "RTL-8139C+ at 0x%lx, %pM, IRQ %d\n",
- dev->base_addr, dev->dev_addr, dev->irq);
+ netdev_info(dev, "RTL-8139C+ at 0x%p, %pM, IRQ %d\n",
+ regs, dev->dev_addr, pdev->irq);
pci_set_drvdata(pdev, dev);
@@ -2031,6 +2037,7 @@ static int cp_resume (struct pci_dev *pdev)
/* FIXME: sh*t may happen if the Rx ring buffer is depleted */
cp_init_rings_index (cp);
cp_init_hw (cp);
+ cp_enable_irq(cp);
netif_start_queue (dev);
spin_lock_irqsave (&cp->lock, flags);