-/*
- Power management interface routines.
- Written by Mariusz Matuszek.
- This code is currently just a placeholder for later work and
- does not do anything useful.
-
- This is part of rtl8180 OpenSource driver.
- Copyright (C) Andrea Merello 2004 <andreamrl@tiscali.it>
- Released under the terms of GPL (General Public Licence)
-*/
-
-
-
-#include "r8180_hw.h"
-#include "r8180_pm.h"
-#include "r8180.h"
-
-int rtl8180_suspend(struct pci_dev *pdev, pm_message_t state)
-{
- struct net_device *dev = pci_get_drvdata(pdev);
-
- if (!netif_running(dev))
- goto out_pci_suspend;
-
- if (dev->netdev_ops->ndo_stop)
- dev->netdev_ops->ndo_stop(dev);
-
- netif_device_detach(dev);
-
-out_pci_suspend:
- pci_save_state(pdev);
- pci_disable_device(pdev);
- pci_set_power_state(pdev, pci_choose_state(pdev, state));
- return 0;
-}
-
-int rtl8180_resume(struct pci_dev *pdev)
-{
- struct net_device *dev = pci_get_drvdata(pdev);
- int err;
- u32 val;
-
- pci_set_power_state(pdev, PCI_D0);
-
- err = pci_enable_device(pdev);
- if (err) {
- printk(KERN_ERR "%s: pci_enable_device failed on resume\n",
- dev->name);
-
- return err;
- }
-
- pci_restore_state(pdev);
-
- /*
- * Suspend/Resume resets the PCI configuration space, so we have to
- * re-disable the RETRY_TIMEOUT register (0x41) to keep PCI Tx retries
- * from interfering with C3 CPU state. pci_restore_state won't help
- * here since it only restores the first 64 bytes pci config header.
- */
- pci_read_config_dword(pdev, 0x40, &val);
- if ((val & 0x0000ff00) != 0)
- pci_write_config_dword(pdev, 0x40, val & 0xffff00ff);
-
- if (!netif_running(dev))
- goto out;
-
- if (dev->netdev_ops->ndo_open)
- dev->netdev_ops->ndo_open(dev);
-
- netif_device_attach(dev);
-out:
- return 0;
-}