diff --git a/drivers/edac/x38_edac.c b/drivers/edac/x38_edac.c
index c9db24d..1a4df82 100644
--- a/drivers/edac/x38_edac.c
+++ b/drivers/edac/x38_edac.c
@@ -248,8 +248,7 @@
 	x38_process_error_info(mci, &info);
 }
 
-
-void __iomem *x38_map_mchbar(struct pci_dev *pdev)
+static void __iomem *x38_map_mchbar(struct pci_dev *pdev)
 {
 	union {
 		u64 mchbar;