diff options
| author |   Bruce Allan <bruce.w.allan@intel.com> | 2010-06-17 18:58:43 +0000 |
|---|---|---|
| committer |   David S. Miller <davem@davemloft.net> | 2010-06-23 12:58:38 -0700 |
| commit | 0c6bdb3084d015221270b418190b630553a38cf8 (patch) | |
| tree | 5362357877c998ecd88df96f45e03362a8db727d /drivers/net/e1000e/netdev.c | |
| parent | caif: Add debug connection type for CAIF. (diff) | |
| download | linux-dev-0c6bdb3084d015221270b418190b630553a38cf8.tar.xz linux-dev-0c6bdb3084d015221270b418190b630553a38cf8.zip | |
e1000e: avoid polling h/w registers during link negotiation
Avoid touching hardware registers when possible, otherwise link negotiation
can get messed up when user-level scripts are rapidly polling the driver to
see if/when link is up. Use the saved link state information instead when
possible.
Signed-off-by: Bruce Allan <bruce.w.allan@intel.com>
Tested-by: Jeff Pieper <jeffrey.e.pieper@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to '')
| -rw-r--r-- | drivers/net/e1000e/netdev.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/net/e1000e/netdev.c b/drivers/net/e1000e/netdev.c index 8faf2246d89c..2a71889112b6 100644 --- a/drivers/net/e1000e/netdev.c +++ b/drivers/net/e1000e/netdev.c @@ -3964,7 +3964,7 @@ static void e1000_print_link_info(struct e1000_adapter *adapter) ((ctrl & E1000_CTRL_TFCE) ? "TX" : "None" ))); } -bool e1000e_has_link(struct e1000_adapter *adapter) +static bool e1000e_has_link(struct e1000_adapter *adapter) { struct e1000_hw *hw = &adapter->hw; bool link_active = 0; |