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staging: et131x: Remove error path from suspend/resume code 

Removing an error path from et131x suspend/resume functions.

Also added a call to phy_stop() to complement the phy_start() call
during device start/stop routine.

Thanks to Francois Romieu <romieu@fr.zoreil.com> for pointing this out.

Signed-off-by: Mark Einon <mark.einon@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
This commit is contained in:
Mark Einon 2011-10-07 22:52:50 +01:00 committed by Greg Kroah-Hartman
parent a9bd8ddad6
commit a75fc17aaa
3 changed files with 45 additions and 32 deletions
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2
drivers/staging/et131x/et131x.h
View File

@ -85,6 +85,8 @@ void et1310_setup_device_for_unicast(struct et131x_adapter *adapter);
/* et131x_netdev.c */ /* et131x_netdev.c */
int et131x_open(struct net_device *netdev); int et131x_open(struct net_device *netdev);
int et131x_close(struct net_device *netdev); int et131x_close(struct net_device *netdev);
void et131x_up(struct net_device *netdev);
void et131x_down(struct net_device *netdev);
struct net_device *et131x_device_alloc(void); struct net_device *et131x_device_alloc(void);
void et131x_enable_txrx(struct net_device *netdev); void et131x_enable_txrx(struct net_device *netdev);
void et131x_disable_txrx(struct net_device *netdev); void et131x_disable_txrx(struct net_device *netdev);

35
drivers/staging/et131x/et131x_initpci.c
View File

@ -874,14 +874,12 @@ static int et131x_pci_suspend(struct pci_dev *pdev, pm_message_t state)
{ {
struct net_device *netdev = pci_get_drvdata(pdev); struct net_device *netdev = pci_get_drvdata(pdev);
if (!netif_running(netdev)) if (netif_running(netdev)) {
return 0; netif_device_detach(netdev);
et131x_down(netdev);
et131x_close(netdev); pci_save_state(pdev);
netif_device_detach(netdev); pci_set_power_state(pdev, pci_choose_state(pdev, state));
}
pci_save_state(pdev);
pci_set_power_state(pdev, pci_choose_state(pdev, state));
return 0; return 0;
} }
@ -889,24 +887,15 @@ static int et131x_pci_suspend(struct pci_dev *pdev, pm_message_t state)
static int et131x_pci_resume(struct pci_dev *pdev) static int et131x_pci_resume(struct pci_dev *pdev)
{ {
struct net_device *netdev = pci_get_drvdata(pdev); struct net_device *netdev = pci_get_drvdata(pdev);
int err = 0;
if (!netif_running(netdev)) if (netif_running(netdev)) {
return 0; pci_set_power_state(pdev, PCI_D0);
pci_restore_state(pdev);
pci_set_power_state(pdev, PCI_D0); et131x_up(netdev);
pci_restore_state(pdev); netif_device_attach(netdev);
err = et131x_open(netdev);
if (err) {
dev_err(&pdev->dev, "Can't resume interface!\n");
goto out;
} }
netif_device_attach(netdev); return 0;
out:
return err;
} }
static struct pci_device_id et131x_pci_table[] __devinitdata = { static struct pci_device_id et131x_pci_table[] __devinitdata = {

40
drivers/staging/et131x/et131x_netdev.c
View File

@ -177,6 +177,18 @@ void et131x_disable_txrx(struct net_device *netdev)
et131x_disable_interrupts(adapter); et131x_disable_interrupts(adapter);
} }
/**
* et131x_up - Bring up a device for use.
* @netdev: device to be opened
*/
void et131x_up(struct net_device *netdev)
{
struct et131x_adapter *adapter = netdev_priv(netdev);
et131x_enable_txrx(netdev);
phy_start(adapter->phydev);
}
/** /**
* et131x_open - Open the device for use. * et131x_open - Open the device for use.
* @netdev: device to be opened * @netdev: device to be opened
@ -205,12 +217,27 @@ int et131x_open(struct net_device *netdev)
} }
adapter->flags |= fMP_ADAPTER_INTERRUPT_IN_USE; adapter->flags |= fMP_ADAPTER_INTERRUPT_IN_USE;
et131x_enable_txrx(netdev);
phy_start(adapter->phydev); et131x_up(netdev);
return result; return result;
} }
/**
* et131x_down - Bring down the device
* @netdev: device to be broght down
*/
void et131x_down(struct net_device *netdev)
{
struct et131x_adapter *adapter = netdev_priv(netdev);
/* Save the timestamp for the TX watchdog, prevent a timeout */
netdev->trans_start = jiffies;
phy_stop(adapter->phydev);
et131x_disable_txrx(netdev);
}
/** /**
* et131x_close - Close the device * et131x_close - Close the device
* @netdev: device to be closed * @netdev: device to be closed
@ -221,18 +248,13 @@ int et131x_close(struct net_device *netdev)
{ {
struct et131x_adapter *adapter = netdev_priv(netdev); struct et131x_adapter *adapter = netdev_priv(netdev);
/* Save the timestamp for the TX watchdog, prevent a timeout */ et131x_down(netdev);
netdev->trans_start = jiffies;
et131x_disable_txrx(netdev);
/* Deregistering ISR */
adapter->flags &= ~fMP_ADAPTER_INTERRUPT_IN_USE; adapter->flags &= ~fMP_ADAPTER_INTERRUPT_IN_USE;
free_irq(netdev->irq, netdev); free_irq(netdev->irq, netdev);
/* Stop the error timer */ /* Stop the error timer */
del_timer_sync(&adapter->error_timer); return del_timer_sync(&adapter->error_timer);
return 0;
} }
/** /**