diff --git a/drivers/pci/controller/cadence/pcie-cadence-ep.c b/drivers/pci/controller/cadence/pcie-cadence-ep.c
index b8b655d4047e..2af8eb4e6d91 100644
--- a/drivers/pci/controller/cadence/pcie-cadence-ep.c
+++ b/drivers/pci/controller/cadence/pcie-cadence-ep.c
@@ -539,7 +539,7 @@ static int cdns_pcie_ep_raise_irq(struct pci_epc *epc, u8 fn, u8 vfn,
 	struct device *dev = pcie->dev;
 
 	switch (type) {
-	case PCI_EPC_IRQ_LEGACY:
+	case PCI_EPC_IRQ_INTX:
 		if (vfn > 0) {
 			dev_err(dev, "Cannot raise legacy interrupts for VF\n");
 			return -EINVAL;
diff --git a/drivers/pci/controller/dwc/pci-dra7xx.c b/drivers/pci/controller/dwc/pci-dra7xx.c
index 4ae807e7cf79..b42fb1cc8bc8 100644
--- a/drivers/pci/controller/dwc/pci-dra7xx.c
+++ b/drivers/pci/controller/dwc/pci-dra7xx.c
@@ -410,7 +410,7 @@ static int dra7xx_pcie_raise_irq(struct dw_pcie_ep *ep, u8 func_no,
 	struct dra7xx_pcie *dra7xx = to_dra7xx_pcie(pci);
 
 	switch (type) {
-	case PCI_EPC_IRQ_LEGACY:
+	case PCI_EPC_IRQ_INTX:
 		dra7xx_pcie_raise_legacy_irq(dra7xx);
 		break;
 	case PCI_EPC_IRQ_MSI:
diff --git a/drivers/pci/controller/dwc/pci-imx6.c b/drivers/pci/controller/dwc/pci-imx6.c
index 52906f999f2b..1f39e733ce19 100644
--- a/drivers/pci/controller/dwc/pci-imx6.c
+++ b/drivers/pci/controller/dwc/pci-imx6.c
@@ -1062,7 +1062,7 @@ static int imx6_pcie_ep_raise_irq(struct dw_pcie_ep *ep, u8 func_no,
 	struct dw_pcie *pci = to_dw_pcie_from_ep(ep);
 
 	switch (type) {
-	case PCI_EPC_IRQ_LEGACY:
+	case PCI_EPC_IRQ_INTX:
 		return dw_pcie_ep_raise_legacy_irq(ep, func_no);
 	case PCI_EPC_IRQ_MSI:
 		return dw_pcie_ep_raise_msi_irq(ep, func_no, interrupt_num);
diff --git a/drivers/pci/controller/dwc/pci-keystone.c b/drivers/pci/controller/dwc/pci-keystone.c
index 78818853af9e..3806f5530937 100644
--- a/drivers/pci/controller/dwc/pci-keystone.c
+++ b/drivers/pci/controller/dwc/pci-keystone.c
@@ -908,7 +908,7 @@ static int ks_pcie_am654_raise_irq(struct dw_pcie_ep *ep, u8 func_no,
 	struct keystone_pcie *ks_pcie = to_keystone_pcie(pci);
 
 	switch (type) {
-	case PCI_EPC_IRQ_LEGACY:
+	case PCI_EPC_IRQ_INTX:
 		ks_pcie_am654_raise_legacy_irq(ks_pcie);
 		break;
 	case PCI_EPC_IRQ_MSI:
diff --git a/drivers/pci/controller/dwc/pci-layerscape-ep.c b/drivers/pci/controller/dwc/pci-layerscape-ep.c
index c640db60edc6..ab3306e206d8 100644
--- a/drivers/pci/controller/dwc/pci-layerscape-ep.c
+++ b/drivers/pci/controller/dwc/pci-layerscape-ep.c
@@ -65,7 +65,7 @@ static int ls_pcie_ep_raise_irq(struct dw_pcie_ep *ep, u8 func_no,
 	struct dw_pcie *pci = to_dw_pcie_from_ep(ep);
 
 	switch (type) {
-	case PCI_EPC_IRQ_LEGACY:
+	case PCI_EPC_IRQ_INTX:
 		return dw_pcie_ep_raise_legacy_irq(ep, func_no);
 	case PCI_EPC_IRQ_MSI:
 		return dw_pcie_ep_raise_msi_irq(ep, func_no, interrupt_num);
diff --git a/drivers/pci/controller/dwc/pcie-artpec6.c b/drivers/pci/controller/dwc/pcie-artpec6.c
index 98102079e26d..128cb1118e3a 100644
--- a/drivers/pci/controller/dwc/pcie-artpec6.c
+++ b/drivers/pci/controller/dwc/pcie-artpec6.c
@@ -357,7 +357,7 @@ static int artpec6_pcie_raise_irq(struct dw_pcie_ep *ep, u8 func_no,
 	struct dw_pcie *pci = to_dw_pcie_from_ep(ep);
 
 	switch (type) {
-	case PCI_EPC_IRQ_LEGACY:
+	case PCI_EPC_IRQ_INTX:
 		dev_err(pci->dev, "EP cannot trigger legacy IRQs\n");
 		return -EINVAL;
 	case PCI_EPC_IRQ_MSI:
diff --git a/drivers/pci/controller/dwc/pcie-designware-plat.c b/drivers/pci/controller/dwc/pcie-designware-plat.c
index 1fcfb840f238..fc3b02949218 100644
--- a/drivers/pci/controller/dwc/pcie-designware-plat.c
+++ b/drivers/pci/controller/dwc/pcie-designware-plat.c
@@ -48,7 +48,7 @@ static int dw_plat_pcie_ep_raise_irq(struct dw_pcie_ep *ep, u8 func_no,
 	struct dw_pcie *pci = to_dw_pcie_from_ep(ep);
 
 	switch (type) {
-	case PCI_EPC_IRQ_LEGACY:
+	case PCI_EPC_IRQ_INTX:
 		return dw_pcie_ep_raise_legacy_irq(ep, func_no);
 	case PCI_EPC_IRQ_MSI:
 		return dw_pcie_ep_raise_msi_irq(ep, func_no, interrupt_num);
diff --git a/drivers/pci/controller/dwc/pcie-keembay.c b/drivers/pci/controller/dwc/pcie-keembay.c
index f90f36bac018..ceb940b327cb 100644
--- a/drivers/pci/controller/dwc/pcie-keembay.c
+++ b/drivers/pci/controller/dwc/pcie-keembay.c
@@ -290,7 +290,7 @@ static int keembay_pcie_ep_raise_irq(struct dw_pcie_ep *ep, u8 func_no,
 	struct dw_pcie *pci = to_dw_pcie_from_ep(ep);
 
 	switch (type) {
-	case PCI_EPC_IRQ_LEGACY:
+	case PCI_EPC_IRQ_INTX:
 		/* Legacy interrupts are not supported in Keem Bay */
 		dev_err(pci->dev, "Legacy IRQ is not supported\n");
 		return -EINVAL;
diff --git a/drivers/pci/controller/dwc/pcie-qcom-ep.c b/drivers/pci/controller/dwc/pcie-qcom-ep.c
index 19b32839ea26..077afce48d0b 100644
--- a/drivers/pci/controller/dwc/pcie-qcom-ep.c
+++ b/drivers/pci/controller/dwc/pcie-qcom-ep.c
@@ -658,7 +658,7 @@ static int qcom_pcie_ep_raise_irq(struct dw_pcie_ep *ep, u8 func_no,
 	struct dw_pcie *pci = to_dw_pcie_from_ep(ep);
 
 	switch (type) {
-	case PCI_EPC_IRQ_LEGACY:
+	case PCI_EPC_IRQ_INTX:
 		return dw_pcie_ep_raise_legacy_irq(ep, func_no);
 	case PCI_EPC_IRQ_MSI:
 		return dw_pcie_ep_raise_msi_irq(ep, func_no, interrupt_num);
diff --git a/drivers/pci/controller/dwc/pcie-tegra194.c b/drivers/pci/controller/dwc/pcie-tegra194.c
index 09825b4a075e..4adba379b83d 100644
--- a/drivers/pci/controller/dwc/pcie-tegra194.c
+++ b/drivers/pci/controller/dwc/pcie-tegra194.c
@@ -1980,7 +1980,7 @@ static int tegra_pcie_ep_raise_irq(struct dw_pcie_ep *ep, u8 func_no,
 	struct tegra_pcie_dw *pcie = to_tegra_pcie(pci);
 
 	switch (type) {
-	case PCI_EPC_IRQ_LEGACY:
+	case PCI_EPC_IRQ_INTX:
 		return tegra_pcie_ep_raise_legacy_irq(pcie, interrupt_num);
 
 	case PCI_EPC_IRQ_MSI:
diff --git a/drivers/pci/controller/dwc/pcie-uniphier-ep.c b/drivers/pci/controller/dwc/pcie-uniphier-ep.c
index 4d0a587c0ba5..7787eedf87f4 100644
--- a/drivers/pci/controller/dwc/pcie-uniphier-ep.c
+++ b/drivers/pci/controller/dwc/pcie-uniphier-ep.c
@@ -262,7 +262,7 @@ static int uniphier_pcie_ep_raise_irq(struct dw_pcie_ep *ep, u8 func_no,
 	struct dw_pcie *pci = to_dw_pcie_from_ep(ep);
 
 	switch (type) {
-	case PCI_EPC_IRQ_LEGACY:
+	case PCI_EPC_IRQ_INTX:
 		return uniphier_pcie_ep_raise_legacy_irq(ep);
 	case PCI_EPC_IRQ_MSI:
 		return uniphier_pcie_ep_raise_msi_irq(ep, func_no,
diff --git a/drivers/pci/controller/pcie-rcar-ep.c b/drivers/pci/controller/pcie-rcar-ep.c
index f9682df1da61..fbdf3d85301c 100644
--- a/drivers/pci/controller/pcie-rcar-ep.c
+++ b/drivers/pci/controller/pcie-rcar-ep.c
@@ -408,7 +408,7 @@ static int rcar_pcie_ep_raise_irq(struct pci_epc *epc, u8 fn, u8 vfn,
 	struct rcar_pcie_endpoint *ep = epc_get_drvdata(epc);
 
 	switch (type) {
-	case PCI_EPC_IRQ_LEGACY:
+	case PCI_EPC_IRQ_INTX:
 		return rcar_pcie_ep_assert_intx(ep, fn, 0);
 
 	case PCI_EPC_IRQ_MSI:
diff --git a/drivers/pci/controller/pcie-rockchip-ep.c b/drivers/pci/controller/pcie-rockchip-ep.c
index d1a200b93b2b..ef9d1f6c382a 100644
--- a/drivers/pci/controller/pcie-rockchip-ep.c
+++ b/drivers/pci/controller/pcie-rockchip-ep.c
@@ -477,7 +477,7 @@ static int rockchip_pcie_ep_raise_irq(struct pci_epc *epc, u8 fn, u8 vfn,
 	struct rockchip_pcie_ep *ep = epc_get_drvdata(epc);
 
 	switch (type) {
-	case PCI_EPC_IRQ_LEGACY:
+	case PCI_EPC_IRQ_INTX:
 		return rockchip_pcie_ep_send_legacy_irq(ep, fn, 0);
 	case PCI_EPC_IRQ_MSI:
 		return rockchip_pcie_ep_send_msi_irq(ep, fn, interrupt_num);
diff --git a/drivers/pci/endpoint/functions/pci-epf-test.c b/drivers/pci/endpoint/functions/pci-epf-test.c
index 172e5ac0bd96..36a2a8120653 100644
--- a/drivers/pci/endpoint/functions/pci-epf-test.c
+++ b/drivers/pci/endpoint/functions/pci-epf-test.c
@@ -19,11 +19,11 @@
 #include <linux/pci-epf.h>
 #include <linux/pci_regs.h>
 
-#define IRQ_TYPE_LEGACY			0
+#define IRQ_TYPE_INTX			0
 #define IRQ_TYPE_MSI			1
 #define IRQ_TYPE_MSIX			2
 
-#define COMMAND_RAISE_LEGACY_IRQ	BIT(0)
+#define COMMAND_RAISE_INTX_IRQ		BIT(0)
 #define COMMAND_RAISE_MSI_IRQ		BIT(1)
 #define COMMAND_RAISE_MSIX_IRQ		BIT(2)
 #define COMMAND_READ			BIT(3)
@@ -606,9 +606,9 @@ static void pci_epf_test_raise_irq(struct pci_epf_test *epf_test, u8 irq_type,
 	reg->status |= STATUS_IRQ_RAISED;
 
 	switch (irq_type) {
-	case IRQ_TYPE_LEGACY:
+	case IRQ_TYPE_INTX:
 		pci_epc_raise_irq(epc, epf->func_no, epf->vfunc_no,
-				  PCI_EPC_IRQ_LEGACY, 0);
+				  PCI_EPC_IRQ_INTX, 0);
 		break;
 	case IRQ_TYPE_MSI:
 		pci_epc_raise_irq(epc, epf->func_no, epf->vfunc_no,
@@ -649,10 +649,10 @@ static void pci_epf_test_cmd_handler(struct work_struct *work)
 		goto reset_handler;
 	}
 
-	if (command & COMMAND_RAISE_LEGACY_IRQ) {
+	if (command & COMMAND_RAISE_INTX_IRQ) {
 		reg->status = STATUS_IRQ_RAISED;
 		pci_epc_raise_irq(epc, epf->func_no, epf->vfunc_no,
-				  PCI_EPC_IRQ_LEGACY, 0);
+				  PCI_EPC_IRQ_INTX, 0);
 		goto reset_handler;
 	}
 
diff --git a/include/linux/pci-epc.h b/include/linux/pci-epc.h
index 301bb0e53707..c2572a93d73d 100644
--- a/include/linux/pci-epc.h
+++ b/include/linux/pci-epc.h
@@ -21,7 +21,7 @@ enum pci_epc_interface_type {
 
 enum pci_epc_irq_type {
 	PCI_EPC_IRQ_UNKNOWN,
-	PCI_EPC_IRQ_LEGACY,
+	PCI_EPC_IRQ_INTX,
 	PCI_EPC_IRQ_MSI,
 	PCI_EPC_IRQ_MSIX,
 };
@@ -54,7 +54,7 @@ pci_epc_interface_string(enum pci_epc_interface_type type)
  *	     MSI-X capability register
  * @get_msix: ops to get the number of MSI-X interrupts allocated by the RC
  *	     from the MSI-X capability register
- * @raise_irq: ops to raise a legacy, MSI or MSI-X interrupt
+ * @raise_irq: ops to raise an INTx, MSI or MSI-X interrupt
  * @map_msi_irq: ops to map physical address to MSI address and return MSI data
  * @start: ops to start the PCI link
  * @stop: ops to stop the PCI link
