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igb: Get speed and duplex for 1G non_copper devices 

This patch changes how we get speed/duplex for non_copper devices; it
now uses pcs register to get current speed and duplex instead of using
generic status register that we use to detect speed/duplex for copper
devices.

Signed-off-by: Akeem G Abodunrin <akeem.g.abodunrin@intel.com>
Tested-by: Aaron Brown <aaron.f.brown@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
This commit is contained in:
Akeem G Abodunrin 2013-08-28 02:23:09 +00:00 committed by Jeff Kirsher
parent f1b4d6214b
commit f6878e39c7
1 changed files with 26 additions and 1 deletions
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27
drivers/net/ethernet/intel/igb/e1000_82575.c
View File

@ -1140,6 +1140,31 @@ static s32 igb_get_cfg_done_82575(struct e1000_hw *hw)
return ret_val;
}
/**
* igb_get_link_up_info_82575 - Get link speed/duplex info
* @hw: pointer to the HW structure
* @speed: stores the current speed
* @duplex: stores the current duplex
*
* This is a wrapper function, if using the serial gigabit media independent
* interface, use PCS to retrieve the link speed and duplex information.
* Otherwise, use the generic function to get the link speed and duplex info.
**/
static s32 igb_get_link_up_info_82575(struct e1000_hw *hw, u16 *speed,
u16 *duplex)
{
s32 ret_val;
if (hw->phy.media_type != e1000_media_type_copper)
ret_val = igb_get_pcs_speed_and_duplex_82575(hw, speed,
duplex);
else
ret_val = igb_get_speed_and_duplex_copper(hw, speed,
duplex);
return ret_val;
}
/**
* igb_check_for_link_82575 - Check for link
* @hw: pointer to the HW structure
@ -2723,7 +2748,7 @@ static struct e1000_mac_operations e1000_mac_ops_82575 = {
.check_for_link = igb_check_for_link_82575,
.rar_set = igb_rar_set,
.read_mac_addr = igb_read_mac_addr_82575,
.get_speed_and_duplex = igb_get_speed_and_duplex_copper,
.get_speed_and_duplex = igb_get_link_up_info_82575,
#ifdef CONFIG_IGB_HWMON
.get_thermal_sensor_data = igb_get_thermal_sensor_data_generic,
.init_thermal_sensor_thresh = igb_init_thermal_sensor_thresh_generic,