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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.c69
1 files changed, 34 insertions, 35 deletions
diff --git a/drivers/net/sky2.c b/drivers/net/sky2.c
index 13f08a390e1..e6d937ec688 100644
--- a/drivers/net/sky2.c
+++ b/drivers/net/sky2.c
@@ -51,7 +51,7 @@
#include "sky2.h"
#define DRV_NAME "sky2"
-#define DRV_VERSION "1.16"
+#define DRV_VERSION "1.17"
#define PFX DRV_NAME " "
/*
@@ -99,10 +99,6 @@ static int disable_msi = 0;
module_param(disable_msi, int, 0);
MODULE_PARM_DESC(disable_msi, "Disable Message Signaled Interrupt (MSI)");
-static int idle_timeout = 100;
-module_param(idle_timeout, int, 0);
-MODULE_PARM_DESC(idle_timeout, "Watchdog timer for lost interrupts (ms)");
-
static const struct pci_device_id sky2_id_table[] = {
{ PCI_DEVICE(PCI_VENDOR_ID_SYSKONNECT, 0x9000) }, /* SK-9Sxx */
{ PCI_DEVICE(PCI_VENDOR_ID_SYSKONNECT, 0x9E00) }, /* SK-9Exx */
@@ -219,9 +215,12 @@ static void sky2_power_on(struct sky2_hw *hw)
else
sky2_write8(hw, B2_Y2_CLK_GATE, 0);
- if (hw->chip_id == CHIP_ID_YUKON_EC_U || hw->chip_id == CHIP_ID_YUKON_EX) {
+ if (hw->chip_id == CHIP_ID_YUKON_EC_U ||
+ hw->chip_id == CHIP_ID_YUKON_EX) {
u32 reg;
+ sky2_pci_write32(hw, PCI_DEV_REG3, 0);
+
reg = sky2_pci_read32(hw, PCI_DEV_REG4);
/* set all bits to 0 except bits 15..12 and 8 */
reg &= P_ASPM_CONTROL_MSK;
@@ -238,6 +237,8 @@ static void sky2_power_on(struct sky2_hw *hw)
reg = sky2_read32(hw, B2_GP_IO);
reg |= GLB_GPIO_STAT_RACE_DIS;
sky2_write32(hw, B2_GP_IO, reg);
+
+ sky2_read32(hw, B2_GP_IO);
}
}
@@ -696,8 +697,8 @@ static void sky2_mac_init(struct sky2_hw *hw, unsigned port)
int i;
const u8 *addr = hw->dev[port]->dev_addr;
- sky2_write32(hw, SK_REG(port, GPHY_CTRL), GPC_RST_SET);
- sky2_write32(hw, SK_REG(port, GPHY_CTRL), GPC_RST_CLR);
+ sky2_write8(hw, SK_REG(port, GPHY_CTRL), GPC_RST_SET);
+ sky2_write8(hw, SK_REG(port, GPHY_CTRL), GPC_RST_CLR);
sky2_write8(hw, SK_REG(port, GMAC_CTRL), GMC_RST_CLR);
@@ -1619,6 +1620,9 @@ static int sky2_down(struct net_device *dev)
if (netif_msg_ifdown(sky2))
printk(KERN_INFO PFX "%s: disabling interface\n", dev->name);
+ if (netif_carrier_ok(dev) && --hw->active == 0)
+ del_timer(&hw->watchdog_timer);
+
/* Stop more packets from being queued */
netif_stop_queue(dev);
@@ -1739,6 +1743,10 @@ static void sky2_link_up(struct sky2_port *sky2)
netif_carrier_on(sky2->netdev);
+ if (hw->active++ == 0)
+ mod_timer(&hw->watchdog_timer, jiffies + 1);
+
+
/* Turn on link LED */
sky2_write8(hw, SK_REG(port, LNK_LED_REG),
LINKLED_ON | LINKLED_BLINK_OFF | LINKLED_LINKSYNC_OFF);
@@ -1790,6 +1798,11 @@ static void sky2_link_down(struct sky2_port *sky2)
netif_carrier_off(sky2->netdev);
+ /* Stop watchdog if both ports are not active */
+ if (--hw->active == 0)
+ del_timer(&hw->watchdog_timer);
+
+
/* Turn on link LED */
sky2_write8(hw, SK_REG(port, LNK_LED_REG), LINKLED_OFF);
@@ -2421,25 +2434,20 @@ static void sky2_le_error(struct sky2_hw *hw, unsigned port,
sky2_write32(hw, Q_ADDR(q, Q_CSR), BMU_CLR_IRQ_CHK);
}
-/* 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)
+/* Check for lost IRQ once a second */
+static void sky2_watchdog(unsigned long arg)
{
struct sky2_hw *hw = (struct sky2_hw *) arg;
- struct net_device *dev = hw->dev[0];
- if (__netif_rx_schedule_prep(dev))
- __netif_rx_schedule(dev);
+ if (sky2_read32(hw, B0_ISRC)) {
+ struct net_device *dev = hw->dev[0];
- mod_timer(&hw->idle_timer, jiffies + msecs_to_jiffies(idle_timeout));
+ if (__netif_rx_schedule_prep(dev))
+ __netif_rx_schedule(dev);
+ }
+
+ if (hw->active > 0)
+ mod_timer(&hw->watchdog_timer, round_jiffies(jiffies + HZ));
}
/* Hardware/software error handling */
@@ -2727,8 +2735,6 @@ static void sky2_restart(struct work_struct *work)
struct net_device *dev;
int i, err;
- del_timer_sync(&hw->idle_timer);
-
rtnl_lock();
sky2_write32(hw, B0_IMSK, 0);
sky2_read32(hw, B0_IMSK);
@@ -2757,8 +2763,6 @@ static void sky2_restart(struct work_struct *work)
}
}
- sky2_idle_start(hw);
-
rtnl_unlock();
}
@@ -3548,7 +3552,6 @@ static const struct ethtool_ops sky2_ethtool_ops = {
.phys_id = sky2_phys_id,
.get_stats_count = sky2_get_stats_count,
.get_ethtool_stats = sky2_get_ethtool_stats,
- .get_perm_addr = ethtool_op_get_perm_addr,
};
#ifdef CONFIG_SKY2_DEBUG
@@ -4026,11 +4029,9 @@ static int __devinit sky2_probe(struct pci_dev *pdev,
sky2_show_addr(dev1);
}
- setup_timer(&hw->idle_timer, sky2_idle, (unsigned long) hw);
+ setup_timer(&hw->watchdog_timer, sky2_watchdog, (unsigned long) hw);
INIT_WORK(&hw->restart_work, sky2_restart);
- sky2_idle_start(hw);
-
pci_set_drvdata(pdev, hw);
return 0;
@@ -4065,7 +4066,7 @@ static void __devexit sky2_remove(struct pci_dev *pdev)
if (!hw)
return;
- del_timer_sync(&hw->idle_timer);
+ del_timer_sync(&hw->watchdog_timer);
flush_scheduled_work();
@@ -4109,7 +4110,6 @@ static int sky2_suspend(struct pci_dev *pdev, pm_message_t state)
if (!hw)
return 0;
- del_timer_sync(&hw->idle_timer);
netif_poll_disable(hw->dev[0]);
for (i = 0; i < hw->ports; i++) {
@@ -4175,7 +4175,7 @@ static int sky2_resume(struct pci_dev *pdev)
}
netif_poll_enable(hw->dev[0]);
- sky2_idle_start(hw);
+
return 0;
out:
dev_err(&pdev->dev, "resume failed (%d)\n", err);
@@ -4192,7 +4192,6 @@ static void sky2_shutdown(struct pci_dev *pdev)
if (!hw)
return;
- del_timer_sync(&hw->idle_timer);
netif_poll_disable(hw->dev[0]);
for (i = 0; i < hw->ports; i++) {
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2024-11-15 06:09:17 +0000