struct nic *nic = container_of(work, struct nic, tx_timeout_task);
struct net_device *netdev = nic->netdev;
- DPRINTK(TX_ERR, DEBUG, "scb.status=0x%02X\n",
- ioread8(&nic->csr->scb.status));
+ netif_printk(nic, tx_err, KERN_DEBUG, nic->netdev,
+ "scb.status=0x%02X\n", ioread8(&nic->csr->scb.status));
- e100_down(netdev_priv(netdev));
- e100_up(netdev_priv(netdev));
+
+ rtnl_lock();
+ if (netif_running(netdev)) {
+ e100_down(netdev_priv(netdev));
+ e100_up(netdev_priv(netdev));
+ }
+ rtnl_unlock();
}
static int e100_loopback_test(struct nic *nic, enum loopback loopback_mode)
}
}
- static void e1000e_disable_l1aspm(struct pci_dev *pdev)
+ #ifdef CONFIG_PCIEASPM
+ static void __e1000e_disable_aspm(struct pci_dev *pdev, u16 state)
+ {
+ pci_disable_link_state(pdev, state);
+ }
+ #else
+ static void __e1000e_disable_aspm(struct pci_dev *pdev, u16 state)
{
int pos;
- u16 val;
+ u16 reg16;
/*
- * 82573 workaround - disable L1 ASPM on mobile chipsets
- *
- * L1 ASPM on various mobile (ich7) chipsets do not behave properly
- * resulting in lost data or garbage information on the pci-e link
- * level. This could result in (false) bad EEPROM checksum errors,
- * long ping times (up to 2s) or even a system freeze/hang.
- *
- * Unfortunately this feature saves about 1W power consumption when
- * active.
+ * Both device and parent should have the same ASPM setting.
+ * Disable ASPM in downstream component first and then upstream.
*/
- pos = pci_find_capability(pdev, PCI_CAP_ID_EXP);
- pci_read_config_word(pdev, pos + PCI_EXP_LNKCTL, &val);
- if (val & 0x2) {
- dev_warn(&pdev->dev, "Disabling L1 ASPM\n");
- val &= ~0x2;
- pci_write_config_word(pdev, pos + PCI_EXP_LNKCTL, val);
- }
+ pos = pci_pcie_cap(pdev);
+ pci_read_config_word(pdev, pos + PCI_EXP_LNKCTL, ®16);
+ reg16 &= ~state;
+ pci_write_config_word(pdev, pos + PCI_EXP_LNKCTL, reg16);
+
+ pos = pci_pcie_cap(pdev->bus->self);
+ pci_read_config_word(pdev->bus->self, pos + PCI_EXP_LNKCTL, ®16);
+ reg16 &= ~state;
+ pci_write_config_word(pdev->bus->self, pos + PCI_EXP_LNKCTL, reg16);
+ }
+ #endif
+ void e1000e_disable_aspm(struct pci_dev *pdev, u16 state)
+ {
+ dev_info(&pdev->dev, "Disabling ASPM %s %s\n",
+ (state & PCIE_LINK_STATE_L0S) ? "L0s" : "",
+ (state & PCIE_LINK_STATE_L1) ? "L1" : "");
+
+ __e1000e_disable_aspm(pdev, state);
}
-#ifdef CONFIG_PM
-static int e1000_suspend(struct pci_dev *pdev, pm_message_t state)
+#ifdef CONFIG_PM_OPS
+static bool e1000e_pm_ready(struct e1000_adapter *adapter)
{
- int retval;
- bool wake;
-
- retval = __e1000_shutdown(pdev, &wake);
- if (!retval)
- e1000_complete_shutdown(pdev, true, wake);
-
- return retval;
+ return !!adapter->tx_ring->buffer_info;
}
-static int e1000_resume(struct pci_dev *pdev)
+static int __e1000_resume(struct pci_dev *pdev)
{
struct net_device *netdev = pci_get_drvdata(pdev);
struct e1000_adapter *adapter = netdev_priv(netdev);
struct e1000_hw *hw = &adapter->hw;
u32 err;
- e1000e_disable_l1aspm(pdev);
+ pci_set_power_state(pdev, PCI_D0);
+ pci_restore_state(pdev);
+ pci_save_state(pdev);
+ if (adapter->flags2 & FLAG2_DISABLE_ASPM_L1)
+ e1000e_disable_aspm(pdev, PCIE_LINK_STATE_L1);
- err = pci_enable_device_mem(pdev);
- if (err) {
- dev_err(&pdev->dev,
- "Cannot enable PCI device from suspend\n");
- return err;
- }
-
- pci_set_master(pdev);
-
- pci_enable_wake(pdev, PCI_D3hot, 0);
- pci_enable_wake(pdev, PCI_D3cold, 0);
-
e1000e_set_interrupt_capability(adapter);
if (netif_running(netdev)) {
err = e1000_request_irq(adapter);