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Subject[PATCH 3/3] Adapt the e100 driver to the reworked PCI PM
Date
[Note: I have no hardware to test this patch, but it seems pretty
straightforward.]

Adapt the e100 driver to the reworked PCI PM

* Use device_set_wakeup_enable() and friends as needed
* Use pci_pme_active() to clear PME_Status and disable PME#
* Use the observation that it is sufficient to call pci_enable_wake()
once, unless it fails

Signed-off-by: Rafael J. Wysocki <rjw@sisk.pl>
---
drivers/net/e100.c | 20 +++++++++++---------
1 file changed, 11 insertions(+), 9 deletions(-)

Index: linux-2.6/drivers/net/e100.c
===================================================================
--- linux-2.6.orig/drivers/net/e100.c
+++ linux-2.6/drivers/net/e100.c
@@ -2322,7 +2322,8 @@ static int e100_set_wol(struct net_devic
{
struct nic *nic = netdev_priv(netdev);

- if(wol->wolopts != WAKE_MAGIC && wol->wolopts != 0)
+ if ((wol->wolopts && wol->wolopts != WAKE_MAGIC) ||
+ !device_can_wakeup(&nic->pdev->dev))
return -EOPNOTSUPP;

if(wol->wolopts)
@@ -2330,6 +2331,8 @@ static int e100_set_wol(struct net_devic
else
nic->flags &= ~wol_magic;

+ device_set_wakeup_enable(&nic->pdev->dev, wol->wolopts);
+
e100_exec_cb(nic, NULL, e100_configure);

return 0;
@@ -2734,13 +2737,13 @@ static int __devinit e100_probe(struct p

/* Wol magic packet can be enabled from eeprom */
if((nic->mac >= mac_82558_D101_A4) &&
- (nic->eeprom[eeprom_id] & eeprom_id_wol))
+ (nic->eeprom[eeprom_id] & eeprom_id_wol)) {
nic->flags |= wol_magic;
+ device_set_wakeup_enable(&pdev->dev, true);
+ }

/* ack any pending wake events, disable PME */
- err = pci_enable_wake(pdev, 0, 0);
- if (err)
- DPRINTK(PROBE, ERR, "Error clearing wake event\n");
+ pci_pme_active(pdev, false);

strcpy(netdev->name, "eth%d");
if((err = register_netdev(netdev))) {
@@ -2796,11 +2799,10 @@ static int e100_suspend(struct pci_dev *
pci_save_state(pdev);

if ((nic->flags & wol_magic) | e100_asf(nic)) {
- pci_enable_wake(pdev, PCI_D3hot, 1);
- pci_enable_wake(pdev, PCI_D3cold, 1);
+ if (pci_enable_wake(pdev, PCI_D3cold, true))
+ pci_enable_wake(pdev, PCI_D3hot, true);
} else {
- pci_enable_wake(pdev, PCI_D3hot, 0);
- pci_enable_wake(pdev, PCI_D3cold, 0);
+ pci_enable_wake(pdev, PCI_D3hot, false);
}

pci_disable_device(pdev);


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