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path: root/drivers/net/sky2.c
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Diffstat (limited to 'drivers/net/sky2.c')
-rw-r--r--drivers/net/sky2.c53
1 files changed, 37 insertions, 16 deletions
diff --git a/drivers/net/sky2.c b/drivers/net/sky2.c
index 959109609d8..fba1e4d4d83 100644
--- a/drivers/net/sky2.c
+++ b/drivers/net/sky2.c
@@ -187,12 +187,11 @@ static u16 gm_phy_read(struct sky2_hw *hw, unsigned port, u16 reg)
return v;
}
-static int sky2_set_power_state(struct sky2_hw *hw, pci_power_t state)
+static void sky2_set_power_state(struct sky2_hw *hw, pci_power_t state)
{
u16 power_control;
u32 reg1;
int vaux;
- int ret = 0;
pr_debug("sky2_set_power_state %d\n", state);
sky2_write8(hw, B2_TST_CTRL1, TST_CFG_WRITE_ON);
@@ -275,12 +274,10 @@ static int sky2_set_power_state(struct sky2_hw *hw, pci_power_t state)
break;
default:
printk(KERN_ERR PFX "Unknown power state %d\n", state);
- ret = -1;
}
sky2_pci_write16(hw, hw->pm_cap + PCI_PM_CTRL, power_control);
sky2_write8(hw, B2_TST_CTRL1, TST_CFG_WRITE_OFF);
- return ret;
}
static void sky2_phy_reset(struct sky2_hw *hw, unsigned port)
@@ -2164,6 +2161,13 @@ static void sky2_descriptor_error(struct sky2_hw *hw, unsigned port,
/* If idle then force a fake soft NAPI poll once a second
* to work around cases where sharing an edge triggered interrupt.
*/
+static inline void sky2_idle_start(struct sky2_hw *hw)
+{
+ if (idle_timeout > 0)
+ mod_timer(&hw->idle_timer,
+ jiffies + msecs_to_jiffies(idle_timeout));
+}
+
static void sky2_idle(unsigned long arg)
{
struct sky2_hw *hw = (struct sky2_hw *) arg;
@@ -2183,6 +2187,9 @@ static int sky2_poll(struct net_device *dev0, int *budget)
int work_done = 0;
u32 status = sky2_read32(hw, B0_Y2_SP_EISR);
+ if (!~status)
+ goto out;
+
if (status & Y2_IS_HW_ERR)
sky2_hw_intr(hw);
@@ -2219,7 +2226,7 @@ static int sky2_poll(struct net_device *dev0, int *budget)
if (sky2_more_work(hw))
return 1;
-
+out:
netif_rx_complete(dev0);
sky2_read32(hw, B0_Y2_SP_LISR);
@@ -2248,8 +2255,10 @@ static irqreturn_t sky2_intr(int irq, void *dev_id, struct pt_regs *regs)
static void sky2_netpoll(struct net_device *dev)
{
struct sky2_port *sky2 = netdev_priv(dev);
+ struct net_device *dev0 = sky2->hw->dev[0];
- sky2_intr(sky2->hw->pdev->irq, sky2->hw, NULL);
+ if (netif_running(dev) && __netif_rx_schedule_prep(dev0))
+ __netif_rx_schedule(dev0);
}
#endif
@@ -3350,9 +3359,7 @@ static int __devinit sky2_probe(struct pci_dev *pdev,
sky2_write32(hw, B0_IMSK, Y2_IS_BASE);
setup_timer(&hw->idle_timer, sky2_idle, (unsigned long) hw);
- if (idle_timeout > 0)
- mod_timer(&hw->idle_timer,
- jiffies + msecs_to_jiffies(idle_timeout));
+ sky2_idle_start(hw);
pci_set_drvdata(pdev, hw);
@@ -3425,8 +3432,14 @@ static int sky2_suspend(struct pci_dev *pdev, pm_message_t state)
{
struct sky2_hw *hw = pci_get_drvdata(pdev);
int i;
+ pci_power_t pstate = pci_choose_state(pdev, state);
+
+ if (!(pstate == PCI_D3hot || pstate == PCI_D3cold))
+ return -EINVAL;
+
+ del_timer_sync(&hw->idle_timer);
- for (i = 0; i < 2; i++) {
+ for (i = 0; i < hw->ports; i++) {
struct net_device *dev = hw->dev[i];
if (dev) {
@@ -3435,10 +3448,14 @@ static int sky2_suspend(struct pci_dev *pdev, pm_message_t state)
sky2_down(dev);
netif_device_detach(dev);
+ netif_poll_disable(dev);
}
}
- return sky2_set_power_state(hw, pci_choose_state(pdev, state));
+ sky2_write32(hw, B0_IMSK, 0);
+ pci_save_state(pdev);
+ sky2_set_power_state(hw, pstate);
+ return 0;
}
static int sky2_resume(struct pci_dev *pdev)
@@ -3448,27 +3465,31 @@ static int sky2_resume(struct pci_dev *pdev)
pci_restore_state(pdev);
pci_enable_wake(pdev, PCI_D0, 0);
- err = sky2_set_power_state(hw, PCI_D0);
- if (err)
- goto out;
+ sky2_set_power_state(hw, PCI_D0);
err = sky2_reset(hw);
if (err)
goto out;
- for (i = 0; i < 2; i++) {
+ sky2_write32(hw, B0_IMSK, Y2_IS_BASE);
+
+ for (i = 0; i < hw->ports; i++) {
struct net_device *dev = hw->dev[i];
if (dev && netif_running(dev)) {
netif_device_attach(dev);
+ netif_poll_enable(dev);
+
err = sky2_up(dev);
if (err) {
printk(KERN_ERR PFX "%s: could not up: %d\n",
dev->name, err);
dev_close(dev);
- break;
+ goto out;
}
}
}
+
+ sky2_idle_start(hw);
out:
return err;
}