diff --git a/arch/m68k/Kconfig b/arch/m68k/Kconfig
index 684de4c..20a9c08 100644
--- a/arch/m68k/Kconfig
+++ b/arch/m68k/Kconfig
@@ -49,6 +49,9 @@
 config NO_IOPORT
 	def_bool y
 
+config NO_DMA
+	def_bool SUN3
+
 mainmenu "Linux/68k Kernel Configuration"
 
 source "init/Kconfig"