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Commit bc8a8387 authored by Maxim Levitsky's avatar Maxim Levitsky Committed by Jeff Garzik
Browse files

dmfe: add support for suspend/resume 



This adds support for suspend resume

[akpm@linux-foundation.org: fix CONFIG_PM=n, coding style]
Signed-off-by: default avatarMaxim Levitsky <maximlevitsky@gmail.com>
Cc: Valerie Henson <val_henson@linux.intel.com>
Cc: Jeff Garzik <jeff@garzik.org>
Signed-off-by: default avatarAndrew Morton <akpm@linux-foundation.org>
Signed-off-by: default avatarJeff Garzik <jeff@garzik.org>
parent b3df0da8

drivers/net/tulip/dmfe.c

+49 −3
Original line number Original line Diff line number Diff line
@@ -55,9 +55,6 @@ 




    TODO

    TODO





    Implement pci_driver::suspend() and pci_driver::resume()

    power management methods.



    Check on 64 bit boxes.

    Check on 64 bit boxes.

    Check and fix on big endian boxes.

    Check and fix on big endian boxes.
@@ -2050,11 +2047,60 @@ static struct pci_device_id dmfe_pci_tbl[] = { 
MODULE_DEVICE_TABLE(pci, dmfe_pci_tbl);

MODULE_DEVICE_TABLE(pci, dmfe_pci_tbl);









#ifdef CONFIG_PM

static int dmfe_suspend(struct pci_dev *pci_dev, pm_message_t state)

{

	struct net_device *dev = pci_get_drvdata(pci_dev);

	struct dmfe_board_info *db = netdev_priv(dev);



	/* Disable upper layer interface */

	netif_device_detach(dev);



	/* Disable Tx/Rx */

	db->cr6_data &= ~(CR6_RXSC | CR6_TXSC);

	update_cr6(db->cr6_data, dev->base_addr);



	/* Disable Interrupt */

	outl(0, dev->base_addr + DCR7);

	outl(inl (dev->base_addr + DCR5), dev->base_addr + DCR5);



	/* Fre RX buffers */

	dmfe_free_rxbuffer(db);



	/* Power down device*/

	pci_set_power_state(pci_dev, pci_choose_state (pci_dev,state));

	pci_save_state(pci_dev);



	return 0;

}



static int dmfe_resume(struct pci_dev *pci_dev)

{

	struct net_device *dev = pci_get_drvdata(pci_dev);



	pci_restore_state(pci_dev);

	pci_set_power_state(pci_dev, PCI_D0);



	/* Re-initilize DM910X board */

	dmfe_init_dm910x(dev);



	/* Restart upper layer interface */

	netif_device_attach(dev);



	return 0;

}

#else

#define dmfe_suspend NULL

#define dmfe_resume NULL

#endif



static struct pci_driver dmfe_driver = {

static struct pci_driver dmfe_driver = {

	.name		= "dmfe",

	.name		= "dmfe",

	.id_table	= dmfe_pci_tbl,

	.id_table	= dmfe_pci_tbl,

	.probe		= dmfe_init_one,

	.probe		= dmfe_init_one,

	.remove		= __devexit_p(dmfe_remove_one),

	.remove		= __devexit_p(dmfe_remove_one),

	.suspend        = dmfe_suspend,

	.resume         = dmfe_resume

};

};





MODULE_AUTHOR("Sten Wang, sten_wang@davicom.com.tw");

MODULE_AUTHOR("Sten Wang, sten_wang@davicom.com.tw");