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igb: Read flow control for i350 from correct EEPROM section

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Flow control is defined in the four EEPROM sections but the driver only reads
from section 0.

Signed-off-by: Todd Fujinaka <todd.fujinaka@intel.com>
Tested-by: Aaron Brown <aaron.f.brown@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Fujinaka, Todd 2013-09-10 11:57:17 -07:00 committed by David S. Miller
parent bb1d18d1ad
commit c7cb020d0b
1 changed files with 9 additions and 1 deletions
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10
drivers/net/ethernet/intel/igb/e1000_mac.c
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@ -712,6 +712,7 @@ static s32 igb_set_fc_watermarks(struct e1000_hw *hw)
static s32 igb_set_default_fc(struct e1000_hw *hw)
{
s32 ret_val = 0;
u16 lan_offset;
u16 nvm_data;
/* Read and store word 0x0F of the EEPROM. This word contains bits
@ -722,7 +723,14 @@ static s32 igb_set_default_fc(struct e1000_hw *hw)
* control setting, then the variable hw->fc will
* be initialized based on a value in the EEPROM.
*/
ret_val = hw->nvm.ops.read(hw, NVM_INIT_CONTROL2_REG, 1, &nvm_data);
if (hw->mac.type == e1000_i350) {
lan_offset = NVM_82580_LAN_FUNC_OFFSET(hw->bus.func);
ret_val = hw->nvm.ops.read(hw, NVM_INIT_CONTROL2_REG
+ lan_offset, 1, &nvm_data);
} else {
ret_val = hw->nvm.ops.read(hw, NVM_INIT_CONTROL2_REG,
1, &nvm_data);
}
if (ret_val) {
hw_dbg("NVM Read Error\n");