diff --git a/drivers/acpi/pci_root.c b/drivers/acpi/pci_root.c
index f90e841c59f5..a82069d064fe 100644
--- a/drivers/acpi/pci_root.c
+++ b/drivers/acpi/pci_root.c
@@ -145,6 +145,18 @@ static struct pci_osc_bit_struct pci_osc_control_bit[] = {
 	{ OSC_PCI_EXPRESS_DPC_CONTROL, "DPC" },
 };
 
+static char *get_osc_desc(u32 bit)
+{
+	int len = sizeof(pci_osc_control_bit) / sizeof(pci_osc_control_bit[0]);
+	int i = 0;
+
+	for (i = 0; i <len; i++)
+		if (bit == pci_osc_control_bit[i].bit)
+			return pci_osc_control_bit[i].desc;
+
+	return NULL;
+}
+
 static void decode_osc_bits(struct acpi_pci_root *root, char *msg, u32 word,
 			    struct pci_osc_bit_struct *table, int size)
 {
@@ -914,18 +926,48 @@ struct pci_bus *acpi_pci_root_create(struct acpi_pci_root *root,
 		goto out_release_info;
 
 	host_bridge = to_pci_host_bridge(bus->bridge);
-	if (!(root->osc_control_set & OSC_PCI_EXPRESS_NATIVE_HP_CONTROL))
-		host_bridge->native_pcie_hotplug = 0;
+	if (!(root->osc_control_set & OSC_PCI_EXPRESS_NATIVE_HP_CONTROL)) {
+		if (!pcie_ports_native)
+			host_bridge->native_pcie_hotplug = 0;
+		else
+			dev_warn(&bus->dev, "OS overrides %s firmware control",
+			get_osc_desc(OSC_PCI_EXPRESS_NATIVE_HP_CONTROL));
+	}
+
 	if (!(root->osc_control_set & OSC_PCI_SHPC_NATIVE_HP_CONTROL))
 		host_bridge->native_shpc_hotplug = 0;
-	if (!(root->osc_control_set & OSC_PCI_EXPRESS_AER_CONTROL))
-		host_bridge->native_aer = 0;
-	if (!(root->osc_control_set & OSC_PCI_EXPRESS_PME_CONTROL))
-		host_bridge->native_pme = 0;
-	if (!(root->osc_control_set & OSC_PCI_EXPRESS_LTR_CONTROL))
-		host_bridge->native_ltr = 0;
-	if (!(root->osc_control_set & OSC_PCI_EXPRESS_DPC_CONTROL))
-		host_bridge->native_dpc = 0;
+
+	if (!(root->osc_control_set & OSC_PCI_EXPRESS_AER_CONTROL)) {
+		if (!pcie_ports_native)
+			host_bridge->native_aer = 0;
+		else
+			dev_warn(&bus->dev, "OS overrides %s firmware control",
+			get_osc_desc(OSC_PCI_EXPRESS_AER_CONTROL));
+	}
+
+	if (!(root->osc_control_set & OSC_PCI_EXPRESS_PME_CONTROL)) {
+		if (!pcie_ports_native)
+			host_bridge->native_pme = 0;
+		else
+			dev_warn(&bus->dev, "OS overrides %s firmware control",
+			get_osc_desc(OSC_PCI_EXPRESS_PME_CONTROL));
+	}
+
+	if (!(root->osc_control_set & OSC_PCI_EXPRESS_LTR_CONTROL)) {
+		if (!pcie_ports_native)
+			host_bridge->native_ltr = 0;
+		else
+			dev_warn(&bus->dev, "OS overrides %s firmware control",
+			get_osc_desc(OSC_PCI_EXPRESS_LTR_CONTROL));
+	}
+
+	if (!(root->osc_control_set & OSC_PCI_EXPRESS_DPC_CONTROL)) {
+		if (!pcie_ports_native)
+			host_bridge->native_dpc = 0;
+		else
+			dev_warn(&bus->dev, "OS overrides %s firmware control",
+			get_osc_desc(OSC_PCI_EXPRESS_DPC_CONTROL));
+	}
 
 	/*
 	 * Evaluate the "PCI Boot Configuration" _DSM Function.  If it
diff --git a/drivers/pci/hotplug/pciehp_core.c b/drivers/pci/hotplug/pciehp_core.c
index bf779f291f15..5fc999bf6f1b 100644
--- a/drivers/pci/hotplug/pciehp_core.c
+++ b/drivers/pci/hotplug/pciehp_core.c
@@ -255,7 +255,7 @@ static bool pme_is_native(struct pcie_device *dev)
 	const struct pci_host_bridge *host;
 
 	host = pci_find_host_bridge(dev->port->bus);
-	return pcie_ports_native || host->native_pme;
+	return host->native_pme;
 }
 
 static void pciehp_disable_interrupt(struct pcie_device *dev)
diff --git a/drivers/pci/pci-acpi.c b/drivers/pci/pci-acpi.c
index 7224b1e5f2a8..e09589571a9d 100644
--- a/drivers/pci/pci-acpi.c
+++ b/drivers/pci/pci-acpi.c
@@ -800,9 +800,6 @@ bool pciehp_is_native(struct pci_dev *bridge)
 	if (!(slot_cap & PCI_EXP_SLTCAP_HPC))
 		return false;
 
-	if (pcie_ports_native)
-		return true;
-
 	host = pci_find_host_bridge(bridge->bus);
 	return host->native_pcie_hotplug;
 }
diff --git a/drivers/pci/pcie/aer.c b/drivers/pci/pcie/aer.c
index 3acf56683915..d663bd9c7257 100644
--- a/drivers/pci/pcie/aer.c
+++ b/drivers/pci/pcie/aer.c
@@ -219,7 +219,7 @@ int pcie_aer_is_native(struct pci_dev *dev)
 	if (!dev->aer_cap)
 		return 0;
 
-	return pcie_ports_native || host->native_aer;
+	return host->native_aer;
 }
 
 int pci_enable_pcie_error_reporting(struct pci_dev *dev)
diff --git a/drivers/pci/pcie/portdrv_core.c b/drivers/pci/pcie/portdrv_core.c
index 50a9522ab07d..ccd5e0ce5605 100644
--- a/drivers/pci/pcie/portdrv_core.c
+++ b/drivers/pci/pcie/portdrv_core.c
@@ -208,8 +208,7 @@ static int get_port_device_capability(struct pci_dev *dev)
 	struct pci_host_bridge *host = pci_find_host_bridge(dev->bus);
 	int services = 0;
 
-	if (dev->is_hotplug_bridge &&
-	    (pcie_ports_native || host->native_pcie_hotplug)) {
+	if (dev->is_hotplug_bridge && host->native_pcie_hotplug) {
 		services |= PCIE_PORT_SERVICE_HP;
 
 		/*
@@ -221,8 +220,7 @@ static int get_port_device_capability(struct pci_dev *dev)
 	}
 
 #ifdef CONFIG_PCIEAER
-	if (dev->aer_cap && pci_aer_available() &&
-	    (pcie_ports_native || host->native_aer)) {
+	if (dev->aer_cap && pci_aer_available() && host->native_aer) {
 		services |= PCIE_PORT_SERVICE_AER;
 
 		/*
@@ -238,8 +236,7 @@ static int get_port_device_capability(struct pci_dev *dev)
 	 * Event Collectors can also generate PMEs, but we don't handle
 	 * those yet.
 	 */
-	if (pci_pcie_type(dev) == PCI_EXP_TYPE_ROOT_PORT &&
-	    (pcie_ports_native || host->native_pme)) {
+	if (pci_pcie_type(dev) == PCI_EXP_TYPE_ROOT_PORT && host->native_pme) {
 		services |= PCIE_PORT_SERVICE_PME;
 
 		/*
