[PATCH v6 03/30] PCI: Export busn_resource to drivers/pci

[Yijing Wang <wangyijing@huawei.com>]

Export out busn_resource. Xen pcifront module need it.

Signed-off-by: Yijing Wang <wangyijing@huawei.com>
---
 drivers/pci/pci.h   |    2 ++
 drivers/pci/probe.c |    3 ++-
 2 files changed, 4 insertions(+), 1 deletions(-)

diff --git a/drivers/pci/pci.h b/drivers/pci/pci.h
index 4091f82..eeacab9 100644
--- a/drivers/pci/pci.h
+++ b/drivers/pci/pci.h
@@ -10,6 +10,8 @@ bool pcie_cap_has_lnkctl(const struct pci_dev *dev);
 
 /* Functions internal to the PCI core code */
 
+extern struct resource busn_resource;
+
 int pci_create_sysfs_dev_files(struct pci_dev *pdev);
 void pci_remove_sysfs_dev_files(struct pci_dev *pdev);
 #if !defined(CONFIG_DMI) && !defined(CONFIG_ACPI)
diff --git a/drivers/pci/probe.c b/drivers/pci/probe.c
index 8ef0375..b97ea81 100644
--- a/drivers/pci/probe.c
+++ b/drivers/pci/probe.c
@@ -17,12 +17,13 @@
 #define CARDBUS_LATENCY_TIMER	176	/* secondary latency timer */
 #define CARDBUS_RESERVE_BUSNR	3
 
-static struct resource busn_resource = {
+struct resource busn_resource = {
 	.name	= "PCI busn",
 	.start	= 0,
 	.end	= 255,
 	.flags	= IORESOURCE_BUS,
 };
+EXPORT_SYMBOL(busn_resource);
 
 /* Ugh.  Need to stop exporting this to modules. */
 LIST_HEAD(pci_root_buses);
-- 
1.7.1