Linux Kernel  3.7.1
 All Data Structures Namespaces Files Functions Variables Typedefs Enumerations Enumerator Macros Groups Pages
orinoco_pci.h
Go to the documentation of this file.
1 /* orinoco_pci.h
2  *
3  * Common code for all Orinoco drivers for PCI devices, including
4  * both native PCI and PCMCIA-to-PCI bridges.
5  *
6  * Copyright (C) 2005, Pavel Roskin.
7  * See main.c for license.
8  */
9 
10 #ifndef _ORINOCO_PCI_H
11 #define _ORINOCO_PCI_H
12 
13 #include <linux/netdevice.h>
14 
15 /* Driver specific data */
19 };
20 
21 #ifdef CONFIG_PM
22 static int orinoco_pci_suspend(struct pci_dev *pdev, pm_message_t state)
23 {
24  struct orinoco_private *priv = pci_get_drvdata(pdev);
25 
26  orinoco_down(priv);
27  free_irq(pdev->irq, priv);
28  pci_save_state(pdev);
29  pci_disable_device(pdev);
31 
32  return 0;
33 }
34 
35 static int orinoco_pci_resume(struct pci_dev *pdev)
36 {
37  struct orinoco_private *priv = pci_get_drvdata(pdev);
38  struct net_device *dev = priv->ndev;
39  int err;
40 
41  pci_set_power_state(pdev, 0);
42  err = pci_enable_device(pdev);
43  if (err) {
44  printk(KERN_ERR "%s: pci_enable_device failed on resume\n",
45  dev->name);
46  return err;
47  }
48  pci_restore_state(pdev);
49 
51  dev->name, priv);
52  if (err) {
53  printk(KERN_ERR "%s: cannot re-allocate IRQ on resume\n",
54  dev->name);
55  pci_disable_device(pdev);
56  return -EBUSY;
57  }
58 
59  err = orinoco_up(priv);
60 
61  return err;
62 }
63 #else
64 #define orinoco_pci_suspend NULL
65 #define orinoco_pci_resume NULL
66 #endif
67 
68 #endif /* _ORINOCO_PCI_H */