diff --git a/kernel/dma/swiotlb.c b/kernel/dma/swiotlb.c
index c0e877cf4348..342e3694ca25 100644
--- a/kernel/dma/swiotlb.c
+++ b/kernel/dma/swiotlb.c
@@ -794,7 +794,12 @@ dma_addr_t swiotlb_map(struct device *dev, phys_addr_t paddr, size_t size,
 }
 #ifdef CONFIG_SWIOTLB_NONLINEAR
 EXPORT_SYMBOL(swiotlb_map);
-#endif
+
+size_t swiotlb_max_mapping_size(struct device *dev)
+{
+	return 4096;
+}
+#else
 
 size_t swiotlb_max_mapping_size(struct device *dev)
 {
@@ -811,6 +816,7 @@ size_t swiotlb_max_mapping_size(struct device *dev)
 
 	return ((size_t)IO_TLB_SIZE) * IO_TLB_SEGSIZE - min_align;
 }
+#endif
 
 bool is_swiotlb_active(struct device *dev)
 {