diff --git a/drivers/pci/host/pci-keystone-dw.c b/drivers/pci/host/pci-keystone-dw.c
index 2434786ca40b..34086ce88e8e 100644
--- a/drivers/pci/host/pci-keystone-dw.c
+++ b/drivers/pci/host/pci-keystone-dw.c
@@ -70,7 +70,7 @@ static inline void update_reg_offset_bit_pos(u32 offset, u32 *reg_offset,
 	*bit_pos = offset >> 3;
 }
 
-u32 ks_dw_pcie_get_msi_data(struct pcie_port *pp)
+u32 ks_dw_pcie_get_msi_addr(struct pcie_port *pp)
 {
 	struct keystone_pcie *ks_pcie = to_keystone_pcie(pp);
 
diff --git a/drivers/pci/host/pci-keystone.c b/drivers/pci/host/pci-keystone.c
index c95608368508..1b893bc8b842 100644
--- a/drivers/pci/host/pci-keystone.c
+++ b/drivers/pci/host/pci-keystone.c
@@ -287,7 +287,7 @@ static struct pcie_host_ops keystone_pcie_host_ops = {
 	.host_init = ks_pcie_host_init,
 	.msi_set_irq = ks_dw_pcie_msi_set_irq,
 	.msi_clear_irq = ks_dw_pcie_msi_clear_irq,
-	.get_msi_data = ks_dw_pcie_get_msi_data,
+	.get_msi_addr = ks_dw_pcie_get_msi_addr,
 	.msi_host_init = ks_dw_pcie_msi_host_init,
 	.scan_bus = ks_dw_pcie_v3_65_scan_bus,
 };
diff --git a/drivers/pci/host/pci-keystone.h b/drivers/pci/host/pci-keystone.h
index 80cfa8e80632..1fc1fceede9e 100644
--- a/drivers/pci/host/pci-keystone.h
+++ b/drivers/pci/host/pci-keystone.h
@@ -37,7 +37,7 @@ struct keystone_pcie {
 
 /* Keystone DW specific MSI controller APIs/definitions */
 void ks_dw_pcie_handle_msi_irq(struct keystone_pcie *ks_pcie, int offset);
-u32 ks_dw_pcie_get_msi_data(struct pcie_port *pp);
+u32 ks_dw_pcie_get_msi_addr(struct pcie_port *pp);
 
 /* Keystone specific PCI controller APIs */
 void ks_dw_pcie_enable_legacy_irqs(struct keystone_pcie *ks_pcie);
diff --git a/drivers/pci/host/pcie-designware.c b/drivers/pci/host/pcie-designware.c
index 5d720c21fdc0..34e736601259 100644
--- a/drivers/pci/host/pcie-designware.c
+++ b/drivers/pci/host/pcie-designware.c
@@ -361,12 +361,17 @@ static int dw_msi_setup_irq(struct msi_chip *chip, struct pci_dev *pdev,
 	 */
 	desc->msi_attrib.multiple = msgvec;
 
-	if (pp->ops->get_msi_data)
-		msg.address_lo = pp->ops->get_msi_data(pp);
+	if (pp->ops->get_msi_addr)
+		msg.address_lo = pp->ops->get_msi_addr(pp);
 	else
 		msg.address_lo = virt_to_phys((void *)pp->msi_data);
 	msg.address_hi = 0x0;
-	msg.data = pos;
+
+	if (pp->ops->get_msi_data)
+		msg.data = pp->ops->get_msi_data(pp, pos);
+	else
+		msg.data = pos;
+
 	write_msi_msg(irq, &msg);
 
 	return 0;
@@ -430,7 +435,7 @@ int __init dw_pcie_host_init(struct pcie_port *pp)
 
 		/* Find the untranslated configuration space address */
 		index = of_property_match_string(np, "reg-names", "config");
-		addrp = of_get_address(np, index, false, false);
+		addrp = of_get_address(np, index, NULL, NULL);
 		pp->cfg0_mod_base = of_read_number(addrp, ns);
 		pp->cfg1_mod_base = pp->cfg0_mod_base + pp->cfg0_size;
 	} else {
@@ -454,7 +459,7 @@ int __init dw_pcie_host_init(struct pcie_port *pp)
 			pp->io.end = min_t(resource_size_t,
 					   IO_SPACE_LIMIT,
 					   range.pci_addr + range.size
-					   + global_io_offset);
+					   + global_io_offset - 1);
 			pp->io_size = resource_size(&pp->io);
 			pp->io_bus_addr = range.pci_addr;
 			pp->io_base = range.cpu_addr;
@@ -510,7 +515,6 @@ int __init dw_pcie_host_init(struct pcie_port *pp)
 	pp->mem_base = pp->mem.start;
 
 	if (!pp->va_cfg0_base) {
-		pp->cfg0_base = pp->cfg.start;
 		pp->va_cfg0_base = devm_ioremap(pp->dev, pp->cfg0_base,
 						pp->cfg0_size);
 		if (!pp->va_cfg0_base) {
@@ -520,7 +524,6 @@ int __init dw_pcie_host_init(struct pcie_port *pp)
 	}
 
 	if (!pp->va_cfg1_base) {
-		pp->cfg1_base = pp->cfg.start + pp->cfg0_size;
 		pp->va_cfg1_base = devm_ioremap(pp->dev, pp->cfg1_base,
 						pp->cfg1_size);
 		if (!pp->va_cfg1_base) {
diff --git a/drivers/pci/host/pcie-designware.h b/drivers/pci/host/pcie-designware.h
index 48f86702cc9c..c6256751daff 100644
--- a/drivers/pci/host/pcie-designware.h
+++ b/drivers/pci/host/pcie-designware.h
@@ -70,7 +70,8 @@ struct pcie_host_ops {
 	void (*host_init)(struct pcie_port *pp);
 	void (*msi_set_irq)(struct pcie_port *pp, int irq);
 	void (*msi_clear_irq)(struct pcie_port *pp, int irq);
-	u32 (*get_msi_data)(struct pcie_port *pp);
+	u32 (*get_msi_addr)(struct pcie_port *pp);
+	u32 (*get_msi_data)(struct pcie_port *pp, int pos);
 	void (*scan_bus)(struct pcie_port *pp);
 	int (*msi_host_init)(struct pcie_port *pp, struct msi_chip *chip);
 };