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Subject[PATCH 4/6] DMFE: WOL fixes:
Date
* Enable wol by default
* Move wol initialization into common function
* use pci_prepare_to_sleep/pci_back_from_sleep

Signed-off-by: Maxim Levitsky <maximlevitsky@gmail.com>
---
drivers/net/tulip/dmfe.c | 51 +++++++++++++++++++++++----------------------
1 files changed, 26 insertions(+), 25 deletions(-)
diff --git a/drivers/net/tulip/dmfe.c b/drivers/net/tulip/dmfe.c
index ee93651..44e1e5d 100644
--- a/drivers/net/tulip/dmfe.c
+++ b/drivers/net/tulip/dmfe.c
@@ -1729,6 +1729,26 @@ static void dmfe_ethtool_get_wol(struct net_device *dev,
}


+static void dmfe_set_wol(struct net_device *dev, int enabled)
+{
+ struct dmfe_board_info *db = netdev_priv(dev);
+ u32 tmp;
+
+ pci_read_config_dword(db->pdev, 0x40, &tmp);
+ tmp &= ~(DMFE_WOL_LINKCHANGE|DMFE_WOL_MAGICPACKET);
+
+ if (enabled && device_may_wakeup(&db->pdev->dev)) {
+
+ if (db->wol_mode & WAKE_PHY)
+ tmp |= DMFE_WOL_LINKCHANGE;
+ if (db->wol_mode & WAKE_MAGIC)
+ tmp |= DMFE_WOL_MAGICPACKET;
+
+ }
+ pci_write_config_dword(db->pdev, 0x40, tmp);
+}
+
+
static const struct ethtool_ops netdev_ethtool_ops = {
.get_drvinfo = dmfe_ethtool_get_drvinfo,
.get_link = ethtool_op_get_link,
@@ -1849,7 +1869,8 @@ static int __devinit dmfe_probe(struct pci_dev *pdev,
db->chip_id = pdev->device;
db->ioaddr = pci_resource_start(pdev, 0);
db->chip_revision = pdev->revision;
- db->wol_mode = 0;
+ db->wol_mode = WAKE_MAGIC;
+ device_set_wakeup_enable(&pdev->dev, 1);

db->pdev = pdev;

@@ -1940,7 +1961,6 @@ 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);
- u32 tmp;

/* Disable upper layer interface */
netif_device_detach(dev);
@@ -1957,45 +1977,26 @@ static int dmfe_suspend(struct pci_dev *pci_dev, pm_message_t state)
dmfe_free_rxbuffer(db);

/* Enable WOL */
- pci_read_config_dword(pci_dev, 0x40, &tmp);
- tmp &= ~(DMFE_WOL_LINKCHANGE|DMFE_WOL_MAGICPACKET);
-
- if (db->wol_mode & WAKE_PHY)
- tmp |= DMFE_WOL_LINKCHANGE;
- if (db->wol_mode & WAKE_MAGIC)
- tmp |= DMFE_WOL_MAGICPACKET;
-
- pci_write_config_dword(pci_dev, 0x40, tmp);
-
- pci_enable_wake(pci_dev, PCI_D3hot, 1);
- pci_enable_wake(pci_dev, PCI_D3cold, 1);
+ dmfe_set_wol(dev, 1);

/* Power down device*/
pci_save_state(pci_dev);
- pci_set_power_state(pci_dev, pci_choose_state(pci_dev, state));
-
+ pci_prepare_to_sleep(pci_dev);
return 0;
}

static int dmfe_resume(struct pci_dev *pci_dev)
{
struct net_device *dev = pci_get_drvdata(pci_dev);
- u32 tmp;

- pci_set_power_state(pci_dev, PCI_D0);
+ pci_back_from_sleep(pci_dev);
pci_restore_state(pci_dev);

/* Re-initilize DM910X board */
dmfe_hardware_init(dev);

/* Disable WOL */
- pci_read_config_dword(pci_dev, 0x40, &tmp);
-
- tmp &= ~(DMFE_WOL_LINKCHANGE | DMFE_WOL_MAGICPACKET);
- pci_write_config_dword(pci_dev, 0x40, tmp);
-
- pci_enable_wake(pci_dev, PCI_D3hot, 0);
- pci_enable_wake(pci_dev, PCI_D3cold, 0);
+ dmfe_set_wol(dev, 0);

/* Restart upper layer interface */
netif_device_attach(dev);
--
1.6.3.3


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