diff --git a/drivers/net/ethernet/intel/igc/igc_main.c b/drivers/net/ethernet/intel/igc/igc_main.c
index 93f3b4e6185b..aa9323e55406 100644
--- a/drivers/net/ethernet/intel/igc/igc_main.c
+++ b/drivers/net/ethernet/intel/igc/igc_main.c
@@ -3912,13 +3912,11 @@ void igc_write_pci_cfg(struct igc_hw *hw, u32 reg, u16 *value)
 s32 igc_read_pcie_cap_reg(struct igc_hw *hw, u32 reg, u16 *value)
 {
 	struct igc_adapter *adapter = hw->back;
-	u16 cap_offset;
 
-	cap_offset = pci_find_capability(adapter->pdev, PCI_CAP_ID_EXP);
-	if (!cap_offset)
+	if (!pci_is_pcie(adapter->pdev))
 		return -IGC_ERR_CONFIG;
 
-	pci_read_config_word(adapter->pdev, cap_offset + reg, value);
+	pcie_capability_read_word(adapter->pdev, reg, value);
 
 	return IGC_SUCCESS;
 }
@@ -3926,13 +3924,11 @@ 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)
 {
 	struct igc_adapter *adapter = hw->back;
-	u16 cap_offset;
 
-	cap_offset = pci_find_capability(adapter->pdev, PCI_CAP_ID_EXP);
-	if (!cap_offset)
+	if (!pci_is_pcie(adapter->pdev))
 		return -IGC_ERR_CONFIG;
 
-	pci_write_config_word(adapter->pdev, cap_offset + reg, *value);
+	pcie_capability_write_word(adapter->pdev, reg, *value);
 
 	return IGC_SUCCESS;
 }