diff options
| author | Takashi Iwai <[email protected]> | 2018-01-19 13:57:33 +0100 | 
|---|---|---|
| committer | Takashi Iwai <[email protected]> | 2018-01-19 13:57:33 +0100 | 
| commit | c86d95cb6b7ecda7b7d56e40c24b7d8b9bf9159a (patch) | |
| tree | 3d868496a15be09dfb3a471e7b9dce24c0216d89 /drivers/net/ethernet/intel/e1000/e1000_main.c | |
| parent | 388fdb8f882af67ff8394d9420c1e0e42ba35619 (diff) | |
| parent | 8f05b9c65d817dd288da5f1c6ecc134b66f8a190 (diff) | |
Merge tag 'asoc-v4.16-3' of https://git.kernel.org/pub/scm/linux/kernel/git/broonie/sound into for-next
ASoC: Updates for v4.16
Some final updates for the merge window, this brings in some
improvements to the ACPI GPIO handling for Intel and a bunch of fixes.
Diffstat (limited to 'drivers/net/ethernet/intel/e1000/e1000_main.c')
| -rw-r--r-- | drivers/net/ethernet/intel/e1000/e1000_main.c | 27 | 
1 files changed, 22 insertions, 5 deletions
diff --git a/drivers/net/ethernet/intel/e1000/e1000_main.c b/drivers/net/ethernet/intel/e1000/e1000_main.c index 1982f7917a8d..3dd4aeb2706d 100644 --- a/drivers/net/ethernet/intel/e1000/e1000_main.c +++ b/drivers/net/ethernet/intel/e1000/e1000_main.c @@ -945,7 +945,7 @@ static int e1000_init_hw_struct(struct e1000_adapter *adapter,  static int e1000_probe(struct pci_dev *pdev, const struct pci_device_id *ent)  {  	struct net_device *netdev; -	struct e1000_adapter *adapter; +	struct e1000_adapter *adapter = NULL;  	struct e1000_hw *hw;  	static int cards_found; @@ -955,6 +955,7 @@ static int e1000_probe(struct pci_dev *pdev, const struct pci_device_id *ent)  	u16 tmp = 0;  	u16 eeprom_apme_mask = E1000_EEPROM_APME;  	int bars, need_ioport; +	bool disable_dev = false;  	/* do not allocate ioport bars when not needed */  	need_ioport = e1000_is_need_ioport(pdev); @@ -1259,11 +1260,13 @@ err_mdio_ioremap:  	iounmap(hw->ce4100_gbe_mdio_base_virt);  	iounmap(hw->hw_addr);  err_ioremap: +	disable_dev = !test_and_set_bit(__E1000_DISABLED, &adapter->flags);  	free_netdev(netdev);  err_alloc_etherdev:  	pci_release_selected_regions(pdev, bars);  err_pci_reg: -	pci_disable_device(pdev); +	if (!adapter || disable_dev) +		pci_disable_device(pdev);  	return err;  } @@ -1281,6 +1284,7 @@ static void e1000_remove(struct pci_dev *pdev)  	struct net_device *netdev = pci_get_drvdata(pdev);  	struct e1000_adapter *adapter = netdev_priv(netdev);  	struct e1000_hw *hw = &adapter->hw; +	bool disable_dev;  	e1000_down_and_stop(adapter);  	e1000_release_manageability(adapter); @@ -1299,9 +1303,11 @@ static void e1000_remove(struct pci_dev *pdev)  		iounmap(hw->flash_address);  	pci_release_selected_regions(pdev, adapter->bars); +	disable_dev = !test_and_set_bit(__E1000_DISABLED, &adapter->flags);  	free_netdev(netdev); -	pci_disable_device(pdev); +	if (disable_dev) +		pci_disable_device(pdev);  }  /** @@ -5156,7 +5162,8 @@ static int __e1000_shutdown(struct pci_dev *pdev, bool *enable_wake)  	if (netif_running(netdev))  		e1000_free_irq(adapter); -	pci_disable_device(pdev); +	if (!test_and_set_bit(__E1000_DISABLED, &adapter->flags)) +		pci_disable_device(pdev);  	return 0;  } @@ -5200,6 +5207,10 @@ static int e1000_resume(struct pci_dev *pdev)  		pr_err("Cannot enable PCI device from suspend\n");  		return err;  	} + +	/* flush memory to make sure state is correct */ +	smp_mb__before_atomic(); +	clear_bit(__E1000_DISABLED, &adapter->flags);  	pci_set_master(pdev);  	pci_enable_wake(pdev, PCI_D3hot, 0); @@ -5274,7 +5285,9 @@ static pci_ers_result_t e1000_io_error_detected(struct pci_dev *pdev,  	if (netif_running(netdev))  		e1000_down(adapter); -	pci_disable_device(pdev); + +	if (!test_and_set_bit(__E1000_DISABLED, &adapter->flags)) +		pci_disable_device(pdev);  	/* Request a slot slot reset. */  	return PCI_ERS_RESULT_NEED_RESET; @@ -5302,6 +5315,10 @@ static pci_ers_result_t e1000_io_slot_reset(struct pci_dev *pdev)  		pr_err("Cannot re-enable PCI device after reset.\n");  		return PCI_ERS_RESULT_DISCONNECT;  	} + +	/* flush memory to make sure state is correct */ +	smp_mb__before_atomic(); +	clear_bit(__E1000_DISABLED, &adapter->flags);  	pci_set_master(pdev);  	pci_enable_wake(pdev, PCI_D3hot, 0);  |