common: DMA-mapping: Add strongly ordered memory attribute
Strongly ordered memory is occasionally needed for some DMA
allocations for specialized use cases. Add the corresponding
DMA attribute.
Change-Id: Idd9e756c242ef57d6fa6700e51cc38d0863b760d
Signed-off-by: Laura Abbott <lauraa@codeaurora.org>
diff --git a/include/linux/dma-attrs.h b/include/linux/dma-attrs.h
index a37c10c..18513e3 100644
--- a/include/linux/dma-attrs.h
+++ b/include/linux/dma-attrs.h
@@ -16,6 +16,7 @@
DMA_ATTR_WRITE_COMBINE,
DMA_ATTR_NON_CONSISTENT,
DMA_ATTR_NO_KERNEL_MAPPING,
+ DMA_ATTR_STRONGLY_ORDERED,
DMA_ATTR_MAX,
};