[PATCH 5.4 005/389] igc: Remove _I_PHY_ID checking

Greg Kroah-Hartman
2022-08-23T11:12:43Z

From: Sasha Neftin <sasha.neftin@intel.com>

commit 7c496de538eebd8212dc2a3c9a468386b264d0d4 upstream.

i225 devices have only one PHY vendor. There is no point checking
_I_PHY_ID during the link establishment and auto-negotiation process.
This patch comes to clean up these pointless checkings.

Signed-off-by: Sasha Neftin <sasha.neftin@intel.com>
Tested-by: Dvora Fuxbrumer <dvorax.fuxbrumer@linux.intel.com>
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
Cc: Linjun Bao <meljbao@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/net/ethernet/intel/igc/igc_base.c | 10 +---------
drivers/net/ethernet/intel/igc/igc_main.c | 3 +--
drivers/net/ethernet/intel/igc/igc_phy.c | 6 ++----
3 files changed, 4 insertions(+), 15 deletions(-)

--- a/drivers/net/ethernet/intel/igc/igc_base.c
+++ b/drivers/net/ethernet/intel/igc/igc_base.c
@@ -187,15 +187,7 @@ static s32 igc_init_phy_params_base(stru

igc_check_for_copper_link(hw);

- /* Verify phy id and set remaining function pointers */
- switch (phy->id) {
- case I225_I_PHY_ID:
- phy->type = igc_phy_i225;
- break;
- default:
- ret_val = -IGC_ERR_PHY;
- goto out;
- }
+ phy->type = igc_phy_i225;

out:
return ret_val;
--- a/drivers/net/ethernet/intel/igc/igc_main.c
+++ b/drivers/net/ethernet/intel/igc/igc_main.c
@@ -2884,8 +2884,7 @@ bool igc_has_link(struct igc_adapter *ad
break;
}

- if (hw->mac.type == igc_i225 &&
- hw->phy.id == I225_I_PHY_ID) {
+ if (hw->mac.type == igc_i225) {
if (!netif_carrier_ok(adapter->netdev)) {
adapter->flags &= ~IGC_FLAG_NEED_LINK_UPDATE;
} else if (!(adapter->flags & IGC_FLAG_NEED_LINK_UPDATE)) {
--- a/drivers/net/ethernet/intel/igc/igc_phy.c
+++ b/drivers/net/ethernet/intel/igc/igc_phy.c
@@ -235,8 +235,7 @@ static s32 igc_phy_setup_autoneg(struct
return ret_val;
}

- if ((phy->autoneg_mask & ADVERTISE_2500_FULL) &&
- hw->phy.id == I225_I_PHY_ID) {
+ if (phy->autoneg_mask & ADVERTISE_2500_FULL) {
/* Read the MULTI GBT AN Control Register - reg 7.32 */
ret_val = phy->ops.read_reg(hw, (STANDARD_AN_REG_MASK <<
MMD_DEVADDR_SHIFT) |
@@ -376,8 +375,7 @@ static s32 igc_phy_setup_autoneg(struct
ret_val = phy->ops.write_reg(hw, PHY_1000T_CTRL,
mii_1000t_ctrl_reg);

- if ((phy->autoneg_mask & ADVERTISE_2500_FULL) &&
- hw->phy.id == I225_I_PHY_ID)
+ if (phy->autoneg_mask & ADVERTISE_2500_FULL)
ret_val = phy->ops.write_reg(hw,
(STANDARD_AN_REG_MASK <<
MMD_DEVADDR_SHIFT) |