diff --git a/drivers/pci/controller/pci-aardvark.c b/drivers/pci/controller/pci-aardvark.c
index 0d02ae8bb4a6d..7432eeafc8fe4 100644
--- a/drivers/pci/controller/pci-aardvark.c
+++ b/drivers/pci/controller/pci-aardvark.c
@@ -1681,11 +1681,13 @@ static int advk_pcie_remove(struct platform_device *pdev)
 	struct pci_host_bridge *bridge = pci_host_bridge_from_priv(pcie);
 	int i;
 
+	/* Remove PCI bus with all devices */
 	pci_lock_rescan_remove();
 	pci_stop_root_bus(bridge->bus);
 	pci_remove_root_bus(bridge->bus);
 	pci_unlock_rescan_remove();
 
+	/* Remove IRQ domains */
 	advk_pcie_remove_msi_irq_domain(pcie);
 	advk_pcie_remove_irq_domain(pcie);