All supported platforms have IOMMU, thus disable.
---
baseconfig/powerpc/CONFIG_SWIOTLB | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/baseconfig/powerpc/CONFIG_SWIOTLB b/baseconfig/powerpc/CONFIG_SWIOTLB
index 5405b65..ac62bf3 100644
--- a/baseconfig/powerpc/CONFIG_SWIOTLB
+++ b/baseconfig/powerpc/CONFIG_SWIOTLB
@@ -1 +1 @@
-CONFIG_SWIOTLB=y
+# CONFIG_SWIOTLB is not set
--
2.7.5