diff options
| author | Amit Kumar Salecha <amit@qlogic.com> | 2009-08-23 08:35:12 +0000 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2009-08-23 19:00:26 -0700 |
| commit | 22b5794b5d58ea81e91d68d00e49357b66d5a559 (patch) | |
| tree | dbeaa633fff4a990f83fac7003a350f1870db873 | |
| parent | ce644ed4db3ee1075ebd9f4acc403e1f9410db21 (diff) | |
| download | linux-22b5794b5d58ea81e91d68d00e49357b66d5a559.tar.gz | |
netxen: implement pci driver shutdown
Implement pci driver shutdown functionality, this helps quiescing all PCI transaction before chipset is reset. Amit Kumar Salecha <amit@qlogic.com> Signed-off-by: Dhananjay Phadke <dhananjay@netxen.com> Signed-off-by: David S. Miller <davem@davemloft.net>
| -rw-r--r-- | drivers/net/netxen/netxen_nic_main.c | 38 |
1 files changed, 30 insertions, 8 deletions
diff --git a/drivers/net/netxen/netxen_nic_main.c b/drivers/net/netxen/netxen_nic_main.c index f618e7c8eeb1..794c19b2254f 100644 --- a/drivers/net/netxen/netxen_nic_main.c +++ b/drivers/net/netxen/netxen_nic_main.c @@ -922,6 +922,8 @@ netxen_nic_down(struct netxen_adapter *adapter, struct net_device *netdev) if (NX_IS_REVISION_P3(adapter->ahw.revision_id)) netxen_p3_free_mac_list(adapter); + adapter->set_promisc(adapter, NETXEN_NIU_NON_PROMISC_MODE); + netxen_napi_disable(adapter); netxen_release_tx_buffers(adapter); @@ -1288,14 +1290,11 @@ static void __devexit netxen_nic_remove(struct pci_dev *pdev) free_netdev(netdev); } - -#ifdef CONFIG_PM -static int -netxen_nic_suspend(struct pci_dev *pdev, pm_message_t state) +static int __netxen_nic_shutdown(struct pci_dev *pdev) { - struct netxen_adapter *adapter = pci_get_drvdata(pdev); struct net_device *netdev = adapter->netdev; + int retval; netif_device_detach(netdev); @@ -1307,7 +1306,12 @@ netxen_nic_suspend(struct pci_dev *pdev, pm_message_t state) netxen_nic_detach(adapter); - pci_save_state(pdev); + if (adapter->portnum == 0) + netxen_free_dummy_dma(adapter); + + retval = pci_save_state(pdev); + if (retval) + return retval; if (netxen_nic_wol_supported(adapter)) { pci_enable_wake(pdev, PCI_D3cold, 1); @@ -1315,10 +1319,27 @@ netxen_nic_suspend(struct pci_dev *pdev, pm_message_t state) } pci_disable_device(pdev); - pci_set_power_state(pdev, pci_choose_state(pdev, state)); return 0; } +static void netxen_nic_shutdown(struct pci_dev *pdev) +{ + if (__netxen_nic_shutdown(pdev)) + return; +} +#ifdef CONFIG_PM +static int +netxen_nic_suspend(struct pci_dev *pdev, pm_message_t state) +{ + int retval; + + retval = __netxen_nic_shutdown(pdev); + if (retval) + return retval; + + pci_set_power_state(pdev, pci_choose_state(pdev, state)); + return 0; +} static int netxen_nic_resume(struct pci_dev *pdev) @@ -2068,8 +2089,9 @@ static struct pci_driver netxen_driver = { .remove = __devexit_p(netxen_nic_remove), #ifdef CONFIG_PM .suspend = netxen_nic_suspend, - .resume = netxen_nic_resume + .resume = netxen_nic_resume, #endif + .shutdown = netxen_nic_shutdown }; static int __init netxen_init_module(void) |