diff --git a/drivers/pci/msi.c b/drivers/pci/msi.c
index 00cc78c7aa04..bbff7d5a9b35 100644
--- a/drivers/pci/msi.c
+++ b/drivers/pci/msi.c
@@ -484,12 +484,12 @@ static struct msi_attribute mode_attribute =
 	__ATTR(mode, S_IRUGO, show_msi_mode, NULL);
 
 
-struct attribute *msi_irq_default_attrs[] = {
+static struct attribute *msi_irq_default_attrs[] = {
 	&mode_attribute.attr,
 	NULL
 };
 
-void msi_kobj_release(struct kobject *kobj)
+static void msi_kobj_release(struct kobject *kobj)
 {
 	struct msi_desc *entry = to_msi_desc(kobj);
 
diff --git a/drivers/pci/pci.c b/drivers/pci/pci.c
index b099e0025d2b..f0ef3997ed3b 100644
--- a/drivers/pci/pci.c
+++ b/drivers/pci/pci.c
@@ -2619,7 +2619,7 @@ void pci_release_selected_regions(struct pci_dev *pdev, int bars)
 			pci_release_region(pdev, i);
 }
 
-int __pci_request_selected_regions(struct pci_dev *pdev, int bars,
+static int __pci_request_selected_regions(struct pci_dev *pdev, int bars,
 				 const char *res_name, int excl)
 {
 	int i;
@@ -3699,7 +3699,7 @@ static DEFINE_SPINLOCK(resource_alignment_lock);
  * RETURNS: Resource alignment if it is specified.
  *          Zero if it is not specified.
  */
-resource_size_t pci_specified_resource_alignment(struct pci_dev *dev)
+static resource_size_t pci_specified_resource_alignment(struct pci_dev *dev)
 {
 	int seg, bus, slot, func, align_order, count;
 	resource_size_t align = 0;
@@ -3812,7 +3812,7 @@ void pci_reassigndev_resource_alignment(struct pci_dev *dev)
 	}
 }
 
-ssize_t pci_set_resource_alignment_param(const char *buf, size_t count)
+static ssize_t pci_set_resource_alignment_param(const char *buf, size_t count)
 {
 	if (count > RESOURCE_ALIGNMENT_PARAM_SIZE - 1)
 		count = RESOURCE_ALIGNMENT_PARAM_SIZE - 1;
@@ -3823,7 +3823,7 @@ ssize_t pci_set_resource_alignment_param(const char *buf, size_t count)
 	return count;
 }
 
-ssize_t pci_get_resource_alignment_param(char *buf, size_t size)
+static ssize_t pci_get_resource_alignment_param(char *buf, size_t size)
 {
 	size_t count;
 	spin_lock(&resource_alignment_lock);
diff --git a/drivers/pci/pcie/aer/aer_inject.c b/drivers/pci/pcie/aer/aer_inject.c
index 4e24cb8a94ae..2f15475b56bc 100644
--- a/drivers/pci/pcie/aer/aer_inject.c
+++ b/drivers/pci/pcie/aer/aer_inject.c
@@ -212,8 +212,8 @@ out:
 	return ops->read(bus, devfn, where, size, val);
 }
 
-int pci_write_aer(struct pci_bus *bus, unsigned int devfn, int where, int size,
-		  u32 val)
+static int pci_write_aer(struct pci_bus *bus, unsigned int devfn, int where,
+			 int size, u32 val)
 {
 	u32 *sim;
 	struct aer_error *err;
diff --git a/drivers/pci/setup-bus.c b/drivers/pci/setup-bus.c
index 7e8739e25b9e..502a75ea12fb 100644
--- a/drivers/pci/setup-bus.c
+++ b/drivers/pci/setup-bus.c
@@ -1044,7 +1044,7 @@ handle_done:
 	;
 }
 
-void __ref __pci_bus_size_bridges(struct pci_bus *bus,
+static void __ref __pci_bus_size_bridges(struct pci_bus *bus,
 			struct list_head *realloc_head)
 {
 	struct pci_dev *dev;