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| author | Maxim Levitsky <maximlevitsky@gmail.com> | 2007-03-06 02:41:53 -0800 |
|---|---|---|
| committer | Jeff Garzik <jeff@garzik.org> | 2007-04-28 11:00:57 -0400 |
| commit | bc8a8387ba57db2275e717c19838a8d5a404c270 (patch) | |
| tree | 85ab2d2d2b5786f006c5062b46015faaebc746a7 /drivers | |
| parent | b3df0da886ffdb3e70c3197f589e959e5f8c9c04 (diff) | |
| download | linux-bc8a8387ba57db2275e717c19838a8d5a404c270.tar.gz linux-bc8a8387ba57db2275e717c19838a8d5a404c270.tar.bz2 linux-bc8a8387ba57db2275e717c19838a8d5a404c270.zip | |
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: Maxim Levitsky <maximlevitsky@gmail.com>
Cc: Valerie Henson <val_henson@linux.intel.com>
Cc: Jeff Garzik <jeff@garzik.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/net/tulip/dmfe.c | 52 |
1 files changed, 49 insertions, 3 deletions
diff --git a/drivers/net/tulip/dmfe.c b/drivers/net/tulip/dmfe.c index b3a64ca98634..e3a077977e4c 100644 --- a/drivers/net/tulip/dmfe.c +++ b/drivers/net/tulip/dmfe.c @@ -55,9 +55,6 @@ TODO - Implement pci_driver::suspend() and pci_driver::resume() - power management methods. - Check on 64 bit 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); +#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 = { .name = "dmfe", .id_table = dmfe_pci_tbl, .probe = dmfe_init_one, .remove = __devexit_p(dmfe_remove_one), + .suspend = dmfe_suspend, + .resume = dmfe_resume }; MODULE_AUTHOR("Sten Wang, sten_wang@davicom.com.tw"); |