diff options
| author | Jean Delvare <jdelvare@suse.de> | 2010-09-12 22:45:39 +0000 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2010-09-14 14:29:37 -0700 |
| commit | 068e8a30320e33b1f8d15df9eaef84f04258f96d (patch) | |
| tree | 19458b3eeec7d5377cecf0f9b395e2ab70d8bbd1 /drivers/net/e1000e/netdev.c | |
| parent | bc0ed0be10a4925efa7b81a84af53f12fbdbcb4e (diff) | |
e1000e: Simplify MSI interrupt testing
The code is quite convoluted, simplify it. This also avoids calling
e1000_request_irq() without testing the value it returned, which was
bad.
Signed-off-by: Jean Delvare <jdelvare@suse.de>
Cc: Bruce Allan <bruce.w.allan@intel.com>
Cc: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Acked-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/e1000e/netdev.c')
| -rw-r--r-- | drivers/net/e1000e/netdev.c | 29 |
1 files changed, 4 insertions, 25 deletions
diff --git a/drivers/net/e1000e/netdev.c b/drivers/net/e1000e/netdev.c index c9b66f4727e..e2c7e0d767b 100644 --- a/drivers/net/e1000e/netdev.c +++ b/drivers/net/e1000e/netdev.c @@ -3412,22 +3412,16 @@ static int e1000_test_msi_interrupt(struct e1000_adapter *adapter) if (adapter->flags & FLAG_MSI_TEST_FAILED) { adapter->int_mode = E1000E_INT_MODE_LEGACY; - err = -EIO; - e_info("MSI interrupt test failed!\n"); - } + e_info("MSI interrupt test failed, using legacy interrupt.\n"); + } else + e_dbg("MSI interrupt test succeeded!\n"); free_irq(adapter->pdev->irq, netdev); pci_disable_msi(adapter->pdev); - if (err == -EIO) - goto msi_test_failed; - - /* okay so the test worked, restore settings */ - e_dbg("MSI interrupt test succeeded!\n"); msi_test_failed: e1000e_set_interrupt_capability(adapter); - e1000_request_irq(adapter); - return err; + return e1000_request_irq(adapter); } /** @@ -3459,21 +3453,6 @@ static int e1000_test_msi(struct e1000_adapter *adapter) pci_write_config_word(adapter->pdev, PCI_COMMAND, pci_cmd); } - /* success ! */ - if (!err) - return 0; - - /* EIO means MSI test failed */ - if (err != -EIO) - return err; - - /* back to INTx mode */ - e_warn("MSI interrupt test failed, using legacy interrupt.\n"); - - e1000_free_irq(adapter); - - err = e1000_request_irq(adapter); - return err; } |