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authorRob Herring <robh@kernel.org>2018-03-08 09:21:07 -0600
committerRob Herring <robh@kernel.org>2018-03-08 09:21:07 -0600
commitc679fa6e3aaa5c58fc514b5b88cfa82774b8d390 (patch)
tree0c10b339368bd1795152a66a4e245e6f654fb3ec /lib/dma-direct.c
parentbdb7013df910681f84eff27b07791d4c160cb76f (diff)
parent4fd98e374fd377ae0458a9dc44aa779cf9631ddd (diff)
Merge branch 'dtc-update' into dt/next
Diffstat (limited to 'lib/dma-direct.c')
-rw-r--r--lib/dma-direct.c5
1 files changed, 5 insertions, 0 deletions
diff --git a/lib/dma-direct.c b/lib/dma-direct.c
index 40b1f92f2214..c9e8e21cb334 100644
--- a/lib/dma-direct.c
+++ b/lib/dma-direct.c
@@ -84,6 +84,10 @@ again:
return page_address(page);
}
+/*
+ * NOTE: this function must never look at the dma_addr argument, because we want
+ * to be able to use it as a helper for iommu implementations as well.
+ */
void dma_direct_free(struct device *dev, size_t size, void *cpu_addr,
dma_addr_t dma_addr, unsigned long attrs)
{
@@ -152,5 +156,6 @@ const struct dma_map_ops dma_direct_ops = {
.map_sg = dma_direct_map_sg,
.dma_supported = dma_direct_supported,
.mapping_error = dma_direct_mapping_error,
+ .is_phys = 1,
};
EXPORT_SYMBOL(dma_direct_ops);