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kernel/linux-rt-4.4.41/drivers/net/wireless/orinoco/orinoco_pci.h 1.4 KB
5113f6f70   김현기   kernel add
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  /* orinoco_pci.h
   *
   * Common code for all Orinoco drivers for PCI devices, including
   * both native PCI and PCMCIA-to-PCI bridges.
   *
   * Copyright (C) 2005, Pavel Roskin.
   * See main.c for license.
   */
  
  #ifndef _ORINOCO_PCI_H
  #define _ORINOCO_PCI_H
  
  #include <linux/netdevice.h>
  
  /* Driver specific data */
  struct orinoco_pci_card {
  	void __iomem *bridge_io;
  	void __iomem *attr_io;
  };
  
  #ifdef CONFIG_PM
  static int orinoco_pci_suspend(struct pci_dev *pdev, pm_message_t state)
  {
  	struct orinoco_private *priv = pci_get_drvdata(pdev);
  
  	orinoco_down(priv);
  	free_irq(pdev->irq, priv);
  	pci_save_state(pdev);
  	pci_disable_device(pdev);
  	pci_set_power_state(pdev, PCI_D3hot);
  
  	return 0;
  }
  
  static int orinoco_pci_resume(struct pci_dev *pdev)
  {
  	struct orinoco_private *priv = pci_get_drvdata(pdev);
  	struct net_device *dev = priv->ndev;
  	int err;
  
  	pci_set_power_state(pdev, PCI_D0);
  	err = pci_enable_device(pdev);
  	if (err) {
  		printk(KERN_ERR "%s: pci_enable_device failed on resume
  ",
  		       dev->name);
  		return err;
  	}
  	pci_restore_state(pdev);
  
  	err = request_irq(pdev->irq, orinoco_interrupt, IRQF_SHARED,
  			  dev->name, priv);
  	if (err) {
  		printk(KERN_ERR "%s: cannot re-allocate IRQ on resume
  ",
  		       dev->name);
  		pci_disable_device(pdev);
  		return -EBUSY;
  	}
  
  	err = orinoco_up(priv);
  
  	return err;
  }
  #else
  #define orinoco_pci_suspend NULL
  #define orinoco_pci_resume NULL
  #endif
  
  #endif /* _ORINOCO_PCI_H */