diff --git a/drivers/pci/iov.c b/drivers/pci/iov.c
index 9dce7c5..589ef7d 100644
--- a/drivers/pci/iov.c
+++ b/drivers/pci/iov.c
@@ -19,18 +19,6 @@
 
 #define VIRTFN_ID_LEN	16
 
-static inline u8 virtfn_bus(struct pci_dev *dev, int id)
-{
-	return dev->bus->number + ((dev->devfn + dev->sriov->offset +
-				    dev->sriov->stride * id) >> 8);
-}
-
-static inline u8 virtfn_devfn(struct pci_dev *dev, int id)
-{
-	return (dev->devfn + dev->sriov->offset +
-		dev->sriov->stride * id) & 0xff;
-}
-
 static struct pci_bus *virtfn_add_bus(struct pci_bus *bus, int busnr)
 {
 	struct pci_bus *child;
@@ -69,7 +57,7 @@ static int virtfn_add(struct pci_dev *dev, int id, int reset)
 	struct pci_bus *bus;
 
 	mutex_lock(&iov->dev->sriov->lock);
-	bus = virtfn_add_bus(dev->bus, virtfn_bus(dev, id));
+	bus = virtfn_add_bus(dev->bus, pci_iov_virtfn_bus(dev, id));
 	if (!bus)
 		goto failed;
 
@@ -77,7 +65,7 @@ static int virtfn_add(struct pci_dev *dev, int id, int reset)
 	if (!virtfn)
 		goto failed0;
 
-	virtfn->devfn = virtfn_devfn(dev, id);
+	virtfn->devfn = pci_iov_virtfn_devfn(dev, id);
 	virtfn->vendor = dev->vendor;
 	pci_read_config_word(dev, iov->pos + PCI_SRIOV_VF_DID, &virtfn->device);
 	pci_setup_device(virtfn);
@@ -140,8 +128,8 @@ static void virtfn_remove(struct pci_dev *dev, int id, int reset)
 	struct pci_sriov *iov = dev->sriov;
 
 	virtfn = pci_get_domain_bus_and_slot(pci_domain_nr(dev->bus),
-					     virtfn_bus(dev, id),
-					     virtfn_devfn(dev, id));
+					     pci_iov_virtfn_bus(dev, id),
+					     pci_iov_virtfn_devfn(dev, id));
 	if (!virtfn)
 		return;
 
@@ -307,7 +295,7 @@ static int sriov_enable(struct pci_dev *dev, int nr_virtfn)
 	iov->offset = offset;
 	iov->stride = stride;
 
-	if (virtfn_bus(dev, nr_virtfn - 1) > dev->bus->busn_res.end) {
+	if (pci_iov_virtfn_bus(dev, nr_virtfn - 1) > dev->bus->busn_res.end) {
 		dev_err(&dev->dev, "SR-IOV: bus number out of range\n");
 		return -ENOMEM;
 	}
@@ -616,7 +604,7 @@ resource_size_t pci_sriov_resource_alignment(struct pci_dev *dev, int resno)
 	if (!reg)
 		return 0;
 
-	 __pci_read_base(dev, type, &tmp, reg);
+	__pci_read_base(dev, type, &tmp, reg);
 	return resource_alignment(&tmp);
 }
 
@@ -646,7 +634,7 @@ int pci_iov_bus_range(struct pci_bus *bus)
 	list_for_each_entry(dev, &bus->devices, bus_list) {
 		if (!dev->is_physfn)
 			continue;
-		busnr = virtfn_bus(dev, dev->sriov->total_VFs - 1);
+		busnr = pci_iov_virtfn_bus(dev, dev->sriov->total_VFs - 1);
 		if (busnr > max)
 			max = busnr;
 	}
diff --git a/drivers/pci/pci.h b/drivers/pci/pci.h
index 4df38df..51f1f7c 100644
--- a/drivers/pci/pci.h
+++ b/drivers/pci/pci.h
@@ -223,27 +223,6 @@ static inline int pci_ari_enabled(struct pci_bus *bus)
 void pci_reassigndev_resource_alignment(struct pci_dev *dev);
 void pci_disable_bridge_window(struct pci_dev *dev);
 
-/* Single Root I/O Virtualization */
-struct pci_sriov {
-	int pos;		/* capability position */
-	int nres;		/* number of resources */
-	u32 cap;		/* SR-IOV Capabilities */
-	u16 ctrl;		/* SR-IOV Control */
-	u16 total_VFs;		/* total VFs associated with the PF */
-	u16 initial_VFs;	/* initial VFs associated with the PF */
-	u16 num_VFs;		/* number of VFs available */
-	u16 offset;		/* first VF Routing ID offset */
-	u16 stride;		/* following VF stride */
-	u32 pgsz;		/* page size for BAR alignment */
-	u8 link;		/* Function Dependency Link */
-	u16 driver_max_VFs;	/* max num VFs driver supports */
-	struct pci_dev *dev;	/* lowest numbered PF */
-	struct pci_dev *self;	/* this PF */
-	struct mutex lock;	/* lock for VF bus */
-	struct work_struct mtask; /* VF Migration task */
-	u8 __iomem *mstate;	/* VF Migration State Array */
-};
-
 #ifdef CONFIG_PCI_ATS
 void pci_restore_ats_state(struct pci_dev *dev);
 #else
diff --git a/include/linux/pci.h b/include/linux/pci.h
index 33aa2ca..ddb1ca0 100644
--- a/include/linux/pci.h
+++ b/include/linux/pci.h
@@ -240,6 +240,27 @@ struct pci_vpd;
 struct pci_sriov;
 struct pci_ats;
 
+/* Single Root I/O Virtualization */
+struct pci_sriov {
+	int pos;		/* capability position */
+	int nres;		/* number of resources */
+	u32 cap;		/* SR-IOV Capabilities */
+	u16 ctrl;		/* SR-IOV Control */
+	u16 total_VFs;		/* total VFs associated with the PF */
+	u16 initial_VFs;	/* initial VFs associated with the PF */
+	u16 num_VFs;		/* number of VFs available */
+	u16 offset;		/* first VF Routing ID offset */
+	u16 stride;		/* following VF stride */
+	u32 pgsz;		/* page size for BAR alignment */
+	u8 link;		/* Function Dependency Link */
+	u16 driver_max_VFs;	/* max num VFs driver supports */
+	struct pci_dev *dev;	/* lowest numbered PF */
+	struct pci_dev *self;	/* this PF */
+	struct mutex lock;	/* lock for VF bus */
+	struct work_struct mtask; /* VF Migration task */
+	u8 __iomem *mstate;	/* VF Migration State Array */
+};
+
 /*
  * The pci_dev structure is used to describe PCI devices.
  */
@@ -1595,6 +1616,20 @@ int pci_ext_cfg_avail(void);
 void __iomem *pci_ioremap_bar(struct pci_dev *pdev, int bar);
 
 #ifdef CONFIG_PCI_IOV
+static inline int pci_iov_virtfn_bus(struct pci_dev *dev, int id)
+{
+	if (!dev->is_physfn)
+		return -1;
+	return dev->bus->number + ((dev->devfn + dev->sriov->offset +
+				    dev->sriov->stride * id) >> 8);
+}
+static inline int pci_iov_virtfn_devfn(struct pci_dev *dev, int id)
+{
+	if (!dev->is_physfn)
+		return -1;
+	return (dev->devfn + dev->sriov->offset +
+		dev->sriov->stride * id) & 0xff;
+}
 int pci_enable_sriov(struct pci_dev *dev, int nr_virtfn);
 void pci_disable_sriov(struct pci_dev *dev);
 irqreturn_t pci_sriov_migration(struct pci_dev *dev);
@@ -1603,6 +1638,14 @@ int pci_vfs_assigned(struct pci_dev *dev);
 int pci_sriov_set_totalvfs(struct pci_dev *dev, u16 numvfs);
 int pci_sriov_get_totalvfs(struct pci_dev *dev);
 #else
+static inline int pci_iov_virtfn_bus(struct pci_dev *dev, int id)
+{
+	return -1;
+}
+static inline int pci_iov_virtfn_devfn(struct pci_dev *dev, int id)
+{
+	return -1;
+}
 static inline int pci_enable_sriov(struct pci_dev *dev, int nr_virtfn)
 { return -ENODEV; }
 static inline void pci_disable_sriov(struct pci_dev *dev) { }
