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authorIngo Molnar <mingo@kernel.org>2018-02-23 08:20:18 +0100
committerIngo Molnar <mingo@kernel.org>2018-02-23 08:20:18 +0100
commit24e8db62c135e142e23bec597adb135bd6a8828f (patch)
tree2126fe037ff60851e778838f9b27edabe3b28f67 /lib/dma-direct.c
parenta66b86f0026b07b0ea7340e3690ac9fd5ac1499a (diff)
parent91ab883eb21325ad80f3473633f794c78ac87f51 (diff)
Merge tag 'v4.16-rc2' into x86/platform, to pick up fixes
Signed-off-by: Ingo Molnar <mingo@kernel.org>
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);