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-rw-r--r--lib/Kconfig3
-rw-r--r--lib/Kconfig.debug1
2 files changed, 4 insertions, 0 deletions
diff --git a/lib/Kconfig b/lib/Kconfig
index aeb7fae16bc2..ce9fa962d59b 100644
--- a/lib/Kconfig
+++ b/lib/Kconfig
@@ -432,6 +432,9 @@ config SGL_ALLOC
config NEED_SG_DMA_LENGTH
bool
+config NEED_DMA_MAP_STATE
+ bool
+
config IOMMU_HELPER
bool
diff --git a/lib/Kconfig.debug b/lib/Kconfig.debug
index 45100eda1dab..d5175eb7b917 100644
--- a/lib/Kconfig.debug
+++ b/lib/Kconfig.debug
@@ -1634,6 +1634,7 @@ config PROVIDE_OHCI1394_DMA_INIT
config DMA_API_DEBUG
bool "Enable debugging of DMA-API usage"
+ select NEED_DMA_MAP_STATE
help
Enable this option to debug the use of the DMA API by device drivers.
With this option you will be able to detect common bugs in device