dma-mapping: move the NEED_DMA_MAP_STATE config symbol to lib/Kconfig
This way we have one central definition of it, and user can select it as
needed. Note that we now also always select it when CONFIG_DMA_API_DEBUG
is select, which fixes some incorrect checks in a few network drivers.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Anshuman Khandual <khandual@linux.vnet.ibm.com>
diff --git a/lib/Kconfig b/lib/Kconfig
index aeb7fae..ce9fa96 100644
--- a/lib/Kconfig
+++ b/lib/Kconfig
@@ -432,6 +432,9 @@
config NEED_SG_DMA_LENGTH
bool
+config NEED_DMA_MAP_STATE
+ bool
+
config IOMMU_HELPER
bool