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pcnet32: add suspend and resume capability

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Add suspend and resume capability to the driver.
Tested both to ram and to disk on x86_64 platform.

Signed-off-by:  Don Fry <pcnet32@verizon.net>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
This commit is contained in:
Don Fry 2007-08-26 21:22:32 -07:00 committed by David S. Miller
parent a11a6544c0
commit 917270c6ed
1 changed files with 32 additions and 3 deletions
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35
drivers/net/pcnet32.c
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@ -23,11 +23,11 @@
#define DRV_NAME "pcnet32"
#ifdef CONFIG_PCNET32_NAPI
#define DRV_VERSION "1.33-NAPI"
#define DRV_VERSION "1.34-NAPI"
#else
#define DRV_VERSION "1.33"
#define DRV_VERSION "1.34"
#endif
#define DRV_RELDATE "27.Jun.2006"
#define DRV_RELDATE "14.Aug.2007"
#define PFX DRV_NAME ": "
static const char *const version =
@ -2955,6 +2955,33 @@ static void pcnet32_watchdog(struct net_device *dev)
mod_timer(&(lp->watchdog_timer), PCNET32_WATCHDOG_TIMEOUT);
}
static int pcnet32_pm_suspend(struct pci_dev *pdev, pm_message_t state)
{
struct net_device *dev = pci_get_drvdata(pdev);
if (netif_running(dev)) {
netif_device_detach(dev);
pcnet32_close(dev);
}
pci_save_state(pdev);
pci_set_power_state(pdev, pci_choose_state(pdev, state));
return 0;
}
static int pcnet32_pm_resume(struct pci_dev *pdev)
{
struct net_device *dev = pci_get_drvdata(pdev);
pci_set_power_state(pdev, PCI_D0);
pci_restore_state(pdev);
if (netif_running(dev)) {
pcnet32_open(dev);
netif_device_attach(dev);
}
return 0;
}
static void __devexit pcnet32_remove_one(struct pci_dev *pdev)
{
struct net_device *dev = pci_get_drvdata(pdev);
@ -2978,6 +3005,8 @@ static struct pci_driver pcnet32_driver = {
.probe = pcnet32_probe_pci,
.remove = __devexit_p(pcnet32_remove_one),
.id_table = pcnet32_pci_tbl,
.suspend = pcnet32_pm_suspend,
.resume = pcnet32_pm_resume,
};
/* An additional parameter that may be passed in... */