linux/drivers/net/wireless/orinoco/orinoco_pci.h
David Kilroy 6415f7df10 orinoco: Handle suspend/restore in core driver
Each device does almost exactly the same things on suspend and resume
when upping and downing the interface. So move this logic into a common
routine.

Signed-off-by: David Kilroy <kilroyd@googlemail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
2009-07-10 15:01:46 -04:00

69 lines
1.4 KiB
C

/* 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, 0);
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);
err = request_irq(pdev->irq, orinoco_interrupt, IRQF_SHARED,
dev->name, priv);
if (err) {
printk(KERN_ERR "%s: cannot re-allocate IRQ on resume\n",
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 */