igc: Remove unused igc_read/write_pci_cfg wrappers

igc_read_pci_cfg() and igc_write_pci_cfg were added in 2018 as part of
commit 146740f ("igc: Add support for PF")
but have remained unused.

Remove them.

Signed-off-by: Dr. David Alan Gilbert <[email protected]>
Reviewed-by: Tony Nguyen <[email protected]>
Link: https://patch.msgid.link/[email protected]
Signed-off-by: Jakub Kicinski <[email protected]>

Author: Dr. David Alan Gilbert

drivers/net/ethernet/intel/igc/igc_hw.h

@@ -281,7 +281,5 @@ struct net_device *igc_get_hw_dev(struct igc_hw *hw);
 
 s32  igc_read_pcie_cap_reg(struct igc_hw *hw, u32 reg, u16 *value);
 s32  igc_write_pcie_cap_reg(struct igc_hw *hw, u32 reg, u16 *value);
-void igc_read_pci_cfg(struct igc_hw *hw, u32 reg, u16 *value);
-void igc_write_pci_cfg(struct igc_hw *hw, u32 reg, u16 *value);
 
 #endif /* _IGC_HW_H_ */

drivers/net/ethernet/intel/igc/igc_main.c

@@ -6780,20 +6780,6 @@ static const struct net_device_ops igc_netdev_ops = {
 };
 
 /* PCIe configuration access */
-void igc_read_pci_cfg(struct igc_hw *hw, u32 reg, u16 *value)
-{
-	struct igc_adapter *adapter = hw->back;
-
-	pci_read_config_word(adapter->pdev, reg, value);
-}
-
-void igc_write_pci_cfg(struct igc_hw *hw, u32 reg, u16 *value)
-{
-	struct igc_adapter *adapter = hw->back;
-
-	pci_write_config_word(adapter->pdev, reg, *value);
-}
-
 s32 igc_read_pcie_cap_reg(struct igc_hw *hw, u32 reg, u16 *value)
 {
 	struct igc_adapter *adapter = hw->back;