PCI: Introduce pci_bus_{get|put}() to manage PCI bus reference count
Introduce helper functions pci_bus_{get|put}() to manage PCI bus
reference count.
Signed-off-by: Jiang Liu <jiang.liu@huawei.com>
Signed-off-by: Yijing Wang <wangyijing@huawei.com>
Signed-off-by: Gu Zheng <guz.fnst@cn.fujitsu.com>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>diff --git a/include/linux/pci.h b/include/linux/pci.h
index 3a24e4f..7556c59 100644
--- a/include/linux/pci.h
+++ b/include/linux/pci.h
@@ -1018,6 +1018,8 @@
void pci_release_selected_regions(struct pci_dev *, int);
/* drivers/pci/bus.c */
+struct pci_bus *pci_bus_get(struct pci_bus *bus);
+void pci_bus_put(struct pci_bus *bus);
void pci_add_resource(struct list_head *resources, struct resource *res);
void pci_add_resource_offset(struct list_head *resources, struct resource *res,
resource_size_t offset);