mirror of
https://github.com/AuxXxilium/linux_dsm_epyc7002.git
synced 2024-11-29 22:06:39 +07:00
1fb9df5d30
Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Cc: Ingo Molnar <mingo@elte.hu> Cc: "David S. Miller" <davem@davemloft.net> Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org> Cc: Jeff Garzik <jeff@garzik.org> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
105 lines
2.2 KiB
C
105 lines
2.2 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 orinoco.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 net_device *dev = pci_get_drvdata(pdev);
|
|
struct orinoco_private *priv = netdev_priv(dev);
|
|
unsigned long flags;
|
|
int err;
|
|
|
|
err = orinoco_lock(priv, &flags);
|
|
if (err) {
|
|
printk(KERN_ERR "%s: cannot lock hardware for suspend\n",
|
|
dev->name);
|
|
return err;
|
|
}
|
|
|
|
err = __orinoco_down(dev);
|
|
if (err)
|
|
printk(KERN_WARNING "%s: error %d bringing interface down "
|
|
"for suspend\n", dev->name, err);
|
|
|
|
netif_device_detach(dev);
|
|
|
|
priv->hw_unavailable++;
|
|
|
|
orinoco_unlock(priv, &flags);
|
|
|
|
free_irq(pdev->irq, dev);
|
|
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 net_device *dev = pci_get_drvdata(pdev);
|
|
struct orinoco_private *priv = netdev_priv(dev);
|
|
unsigned long flags;
|
|
int err;
|
|
|
|
pci_set_power_state(pdev, 0);
|
|
pci_enable_device(pdev);
|
|
pci_restore_state(pdev);
|
|
|
|
err = request_irq(pdev->irq, orinoco_interrupt, IRQF_SHARED,
|
|
dev->name, dev);
|
|
if (err) {
|
|
printk(KERN_ERR "%s: cannot re-allocate IRQ on resume\n",
|
|
dev->name);
|
|
pci_disable_device(pdev);
|
|
return -EBUSY;
|
|
}
|
|
|
|
err = orinoco_reinit_firmware(dev);
|
|
if (err) {
|
|
printk(KERN_ERR "%s: error %d re-initializing firmware "
|
|
"on resume\n", dev->name, err);
|
|
return err;
|
|
}
|
|
|
|
spin_lock_irqsave(&priv->lock, flags);
|
|
|
|
netif_device_attach(dev);
|
|
|
|
priv->hw_unavailable--;
|
|
|
|
if (priv->open && (! priv->hw_unavailable)) {
|
|
err = __orinoco_up(dev);
|
|
if (err)
|
|
printk(KERN_ERR "%s: Error %d restarting card on resume\n",
|
|
dev->name, err);
|
|
}
|
|
|
|
spin_unlock_irqrestore(&priv->lock, flags);
|
|
|
|
return 0;
|
|
}
|
|
#else
|
|
#define orinoco_pci_suspend NULL
|
|
#define orinoco_pci_resume NULL
|
|
#endif
|
|
|
|
#endif /* _ORINOCO_PCI_H */
|