diff options
| author | PJ Waskiewicz <peter.p.waskiewicz.jr@intel.com> | 2009-04-09 22:28:33 +0000 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2009-04-11 02:48:01 -0700 |
| commit | 1eb99d5ac44e2a9ac0b2856c579ba4d7cc349ada (patch) | |
| tree | cc2609d6b53ff31586d2fdbb04c960213fbf118c /drivers/net/ixgbe/ixgbe_82598.c | |
| parent | 553b449784e27bb7244c41aa27397d29f213e5a3 (diff) | |
ixgbe: Update the usage of orig_autoc to be more consistent
The orig_autoc variable tracks the original setting of the autonegotiate
state prior to trying a new speed. The usage is inconsistent and not very
maintainable. This patch updates the usage to make it more consistent.
Signed-off-by: Peter P Waskiewicz Jr <peter.p.waskiewicz.jr@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/ixgbe/ixgbe_82598.c')
| -rw-r--r-- | drivers/net/ixgbe/ixgbe_82598.c | 15 |
1 files changed, 11 insertions, 4 deletions
diff --git a/drivers/net/ixgbe/ixgbe_82598.c b/drivers/net/ixgbe/ixgbe_82598.c index a8151f25a4d0..361c9d1d0117 100644 --- a/drivers/net/ixgbe/ixgbe_82598.c +++ b/drivers/net/ixgbe/ixgbe_82598.c @@ -165,12 +165,19 @@ static s32 ixgbe_get_link_capabilities_82598(struct ixgbe_hw *hw, bool *autoneg) { s32 status = 0; + u32 autoc = 0; /* * Determine link capabilities based on the stored value of AUTOC, - * which represents EEPROM defaults. + * which represents EEPROM defaults. If AUTOC value has not been + * stored, use the current register value. */ - switch (hw->mac.orig_autoc & IXGBE_AUTOC_LMS_MASK) { + if (hw->mac.orig_link_settings_stored) + autoc = hw->mac.orig_autoc; + else + autoc = IXGBE_READ_REG(hw, IXGBE_AUTOC); + + switch (autoc & IXGBE_AUTOC_LMS_MASK) { case IXGBE_AUTOC_LMS_1G_LINK_NO_AN: *speed = IXGBE_LINK_SPEED_1GB_FULL; *autoneg = false; @@ -189,9 +196,9 @@ static s32 ixgbe_get_link_capabilities_82598(struct ixgbe_hw *hw, case IXGBE_AUTOC_LMS_KX4_AN: case IXGBE_AUTOC_LMS_KX4_AN_1G_AN: *speed = IXGBE_LINK_SPEED_UNKNOWN; - if (hw->mac.orig_autoc & IXGBE_AUTOC_KX4_SUPP) + if (autoc & IXGBE_AUTOC_KX4_SUPP) *speed |= IXGBE_LINK_SPEED_10GB_FULL; - if (hw->mac.orig_autoc & IXGBE_AUTOC_KX_SUPP) + if (autoc & IXGBE_AUTOC_KX_SUPP) *speed |= IXGBE_LINK_SPEED_1GB_FULL; *autoneg = true; break; |