diff --git a/src/device/pciexp_device.c b/src/device/pciexp_device.c
index d8ed5d9e3d..5e2709e38a 100644
--- a/src/device/pciexp_device.c
+++ b/src/device/pciexp_device.c
@@ -181,7 +181,7 @@ static void pciexp_enable_ltr(struct device *dev)
 	(void)_pciexp_enable_ltr(parent, parent_cap, dev, cap);
 }
 
-static bool pciexp_get_ltr_max_latencies(struct device *dev, u16 *max_snoop, u16 *max_nosnoop)
+bool pciexp_get_ltr_max_latencies(struct device *dev, u16 *max_snoop, u16 *max_nosnoop)
 {
 	/* Walk the hierarchy up to find get_ltr_max_latencies(). */
 	do {
diff --git a/src/include/device/pciexp.h b/src/include/device/pciexp.h
index fbc769e7c6..756733e0d8 100644
--- a/src/include/device/pciexp.h
+++ b/src/include/device/pciexp.h
@@ -39,4 +39,6 @@ static inline bool pciexp_is_downstream_port(int type)
 	       type == PCI_EXP_TYPE_PCIE_BRIDGE;
 }
 
+bool pciexp_get_ltr_max_latencies(struct device *dev, u16 *max_snoop, u16 *max_nosnoop);
+
 #endif /* DEVICE_PCIEXP_H */