Commit 917270c6 authored by Don Fry's avatar Don Fry Committed by David S. Miller
Browse files

pcnet32: add suspend and resume capability 



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

Signed-off-by: default avatarDon Fry <pcnet32@verizon.net>
Signed-off-by: default avatarJeff Garzik <jeff@garzik.org>
parent a11a6544

drivers/net/pcnet32.c

+32 −3
Original line number Diff line number Diff line
@@ -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... */