diff options
Diffstat (limited to 'drivers/net/ethernet/intel/e1000e/mac.c')
-rw-r--r-- | drivers/net/ethernet/intel/e1000e/mac.c | 25 |
1 files changed, 10 insertions, 15 deletions
diff --git a/drivers/net/ethernet/intel/e1000e/mac.c b/drivers/net/ethernet/intel/e1000e/mac.c index f457c5703d0c..5bdc3a2d4fd7 100644 --- a/drivers/net/ethernet/intel/e1000e/mac.c +++ b/drivers/net/ethernet/intel/e1000e/mac.c | |||
@@ -410,9 +410,6 @@ void e1000e_clear_hw_cntrs_base(struct e1000_hw *hw) | |||
410 | * Checks to see of the link status of the hardware has changed. If a | 410 | * Checks to see of the link status of the hardware has changed. If a |
411 | * change in link status has been detected, then we read the PHY registers | 411 | * change in link status has been detected, then we read the PHY registers |
412 | * to get the current speed/duplex if link exists. | 412 | * to get the current speed/duplex if link exists. |
413 | * | ||
414 | * Returns a negative error code (-E1000_ERR_*) or 0 (link down) or 1 (link | ||
415 | * up). | ||
416 | **/ | 413 | **/ |
417 | s32 e1000e_check_for_copper_link(struct e1000_hw *hw) | 414 | s32 e1000e_check_for_copper_link(struct e1000_hw *hw) |
418 | { | 415 | { |
@@ -426,20 +423,16 @@ s32 e1000e_check_for_copper_link(struct e1000_hw *hw) | |||
426 | * Change or Rx Sequence Error interrupt. | 423 | * Change or Rx Sequence Error interrupt. |
427 | */ | 424 | */ |
428 | if (!mac->get_link_status) | 425 | if (!mac->get_link_status) |
429 | return 1; | 426 | return 0; |
427 | mac->get_link_status = false; | ||
430 | 428 | ||
431 | /* First we want to see if the MII Status Register reports | 429 | /* First we want to see if the MII Status Register reports |
432 | * link. If so, then we want to get the current speed/duplex | 430 | * link. If so, then we want to get the current speed/duplex |
433 | * of the PHY. | 431 | * of the PHY. |
434 | */ | 432 | */ |
435 | ret_val = e1000e_phy_has_link_generic(hw, 1, 0, &link); | 433 | ret_val = e1000e_phy_has_link_generic(hw, 1, 0, &link); |
436 | if (ret_val) | 434 | if (ret_val || !link) |
437 | return ret_val; | 435 | goto out; |
438 | |||
439 | if (!link) | ||
440 | return 0; /* No link detected */ | ||
441 | |||
442 | mac->get_link_status = false; | ||
443 | 436 | ||
444 | /* Check if there was DownShift, must be checked | 437 | /* Check if there was DownShift, must be checked |
445 | * immediately after link-up | 438 | * immediately after link-up |
@@ -464,12 +457,14 @@ s32 e1000e_check_for_copper_link(struct e1000_hw *hw) | |||
464 | * different link partner. | 457 | * different link partner. |
465 | */ | 458 | */ |
466 | ret_val = e1000e_config_fc_after_link_up(hw); | 459 | ret_val = e1000e_config_fc_after_link_up(hw); |
467 | if (ret_val) { | 460 | if (ret_val) |
468 | e_dbg("Error configuring flow control\n"); | 461 | e_dbg("Error configuring flow control\n"); |
469 | return ret_val; | ||
470 | } | ||
471 | 462 | ||
472 | return 1; | 463 | return ret_val; |
464 | |||
465 | out: | ||
466 | mac->get_link_status = true; | ||
467 | return ret_val; | ||
473 | } | 468 | } |
474 | 469 | ||
475 | /** | 470 | /** |