[PATCH -next] PCI: dwc: fix compile err for pcie-tagra194

[Qiujun Huang <hqjagain@xxxxxxxxx>]

make allmodconfig
ERROR: modpost: "dw_pcie_ep_init_notify" [drivers/pci/controller/dwc/pcie-tegra194.ko] undefined!
ERROR: modpost: "dw_pcie_ep_init_complete" [drivers/pci/controller/dwc/pcie-tegra194.ko] undefined!
ERROR: modpost: "dw_pcie_ep_linkup" [drivers/pci/controller/dwc/pcie-tegra194.ko] undefined!
make[2]: *** [__modpost] Error 1
make[1]: *** [modules] Error 2
make: *** [sub-make] Error 2

need to export the symbols.

Signed-off-by: Qiujun Huang <hqjagain@xxxxxxxxx>
---
 drivers/pci/controller/dwc/pcie-designware-ep.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/drivers/pci/controller/dwc/pcie-designware-ep.c b/drivers/pci/controller/dwc/pcie-designware-ep.c
index 4233c43..60d62ef 100644
--- a/drivers/pci/controller/dwc/pcie-designware-ep.c
+++ b/drivers/pci/controller/dwc/pcie-designware-ep.c
@@ -18,6 +18,7 @@ void dw_pcie_ep_linkup(struct dw_pcie_ep *ep)
 
 	pci_epc_linkup(epc);
 }
+EXPORT_SYMBOL_GPL(dw_pcie_ep_linkup);
 
 void dw_pcie_ep_init_notify(struct dw_pcie_ep *ep)
 {
@@ -25,6 +26,7 @@ void dw_pcie_ep_init_notify(struct dw_pcie_ep *ep)
 
 	pci_epc_init_notify(epc);
 }
+EXPORT_SYMBOL_GPL(dw_pcie_ep_init_notify);
 
 static void __dw_pcie_ep_reset_bar(struct dw_pcie *pci, enum pci_barno bar,
 				   int flags)
@@ -535,6 +537,7 @@ int dw_pcie_ep_init_complete(struct dw_pcie_ep *ep)
 
 	return 0;
 }
+EXPORT_SYMBOL_GPL(dw_pcie_ep_init_complete);
 
 int dw_pcie_ep_init(struct dw_pcie_ep *ep)
 {
-- 
1.8.3.1