aboutsummaryrefslogtreecommitdiffstats
diff options
context:
space:
mode:
authorSasha Neftin <sasha.neftin@intel.com>2024-01-24 07:57:00 +0200
committerTony Nguyen <anthony.l.nguyen@intel.com>2024-02-14 09:43:09 -0800
commit55ea989977f4e11a1c3bdfabb51295090bb0f7d6 (patch)
treeca51c42b65cbb75b75ef52f5cf4f884f7e046334
parentc56d055893cbe97848611855d1c97d0ab171eccc (diff)
downloadextcon-55ea989977f4e11a1c3bdfabb51295090bb0f7d6.tar.gz
igc: Remove temporary workaround
PHY_CONTROL register works as defined in the IEEE 802.3 specification (IEEE 802.3-2008 22.2.4.1). Tidy up the temporary workaround. User impact: PHY can now be powered down when the ethernet link is down. Testing hints: ip link set down <device> (or just disconnect the ethernet cable). Oldest tested NVM version is: 1045:740. Fixes: 5586838fe9ce ("igc: Add code for PHY support") Signed-off-by: Sasha Neftin <sasha.neftin@intel.com> Reviewed-by: Paul Menzel <pmenzel@molgen.mpg.de> Tested-by: Naama Meir <naamax.meir@linux.intel.com> Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
-rw-r--r--drivers/net/ethernet/intel/igc/igc_phy.c6
1 files changed, 1 insertions, 5 deletions
diff --git a/drivers/net/ethernet/intel/igc/igc_phy.c b/drivers/net/ethernet/intel/igc/igc_phy.c
index 7cd8716d2ffa3a..861f3707686165 100644
--- a/drivers/net/ethernet/intel/igc/igc_phy.c
+++ b/drivers/net/ethernet/intel/igc/igc_phy.c
@@ -130,11 +130,7 @@ void igc_power_down_phy_copper(struct igc_hw *hw)
/* The PHY will retain its settings across a power down/up cycle */
hw->phy.ops.read_reg(hw, PHY_CONTROL, &mii_reg);
mii_reg |= MII_CR_POWER_DOWN;
-
- /* Temporary workaround - should be removed when PHY will implement
- * IEEE registers as properly
- */
- /* hw->phy.ops.write_reg(hw, PHY_CONTROL, mii_reg);*/
+ hw->phy.ops.write_reg(hw, PHY_CONTROL, mii_reg);
usleep_range(1000, 2000);
}