From: Maxim Levitsky [EMAIL PROTECTED]
This adds support for suspend resume
[EMAIL PROTECTED]: fix CONFIG_PM=n, coding style]
Signed-off-by: Maxim Levitsky [EMAIL PROTECTED]
Cc: Valerie Henson [EMAIL PROTECTED]
Cc: Jeff Garzik [EMAIL PROTECTED]
Signed-off-by: Andrew Morton [EMAIL PROTECTED]
---
drivers/net/tulip/dmfe.c | 52 ++---
1 file changed, 49 insertions(+), 3 deletions(-)
diff -puN drivers/net/tulip/dmfe.c~dmfe-add-support-for-suspend-resume
drivers/net/tulip/dmfe.c
--- a/drivers/net/tulip/dmfe.c~dmfe-add-support-for-suspend-resume
+++ a/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, [EMAIL PROTECTED]);
_
-
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