[PATCH] PCI: export pci_find_host_bridge() to fix MFD build error

Randy Dunlap
2020-10-19T06:15:04Z

Fix a build error in drivers/mfd/ioc.o by exporting
pci_find_host_bridge().

ERROR: modpost: "pci_find_host_bridge" [drivers/mfd/ioc3.ko] undefined!

Reported-by: kernel test robot <lkp@intel.com>
Signed-off-by: Randy Dunlap <rdunlap@infradead.org>
Cc: Thomas Bogendoerfer <tsbogend@alpha.franken.de>
Cc: Paul Burton <paulburton@kernel.org>
Cc: linux-mips@vger.kernel.org
Cc: Bjorn Helgaas <bhelgaas@google.com>
Cc: linux-pci@vger.kernel.org
---
drivers/pci/host-bridge.c | 2 ++
1 file changed, 2 insertions(+)

--- linux-next-20201016.orig/drivers/pci/host-bridge.c
+++ linux-next-20201016/drivers/pci/host-bridge.c
@@ -4,6 +4,7 @@
*/

#include <linux/kernel.h>
+#include <linux/export.h>
#include <linux/pci.h>
#include <linux/module.h>

@@ -23,6 +24,7 @@ struct pci_host_bridge *pci_find_host_br

return to_pci_host_bridge(root_bus->bridge);
}
+EXPORT_SYMBOL(pci_find_host_bridge);

struct device *pci_get_host_bridge_device(struct pci_dev *dev)
{