diff --git a/arch/powerpc/Kconfig b/arch/powerpc/Kconfig
index 25b28fd..4fa4203 100644
--- a/arch/powerpc/Kconfig
+++ b/arch/powerpc/Kconfig
@@ -669,7 +669,7 @@
 
 config GENERIC_ISA_DMA
 	bool
-	depends on PPC64 || POWER4 || 6xx && !CPM2
+	depends on ISA_DMA_API
 	default y
 
 config PPC_INDIRECT_PCI