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authorRobin Murphy <robin.murphy@arm.com>2015-12-04 17:53:01 +0000
committerWill Deacon <will.deacon@arm.com>2015-12-17 12:05:35 +0000
commitfdc38967633ec23b3b24dfc487dfb7b90d1a0215 (patch)
tree1a4426c067fe5f9fb275573e2a1a7863864487f2 /drivers/iommu/io-pgtable.h
parent75df1386557c25188bd2383bbe8dd14a5ac81c06 (diff)
iommu/io-pgtable: Make io_pgtable_ops_to_pgtable() macro common
There is no need to keep a useful accessor for a public structure hidden away in a private implementation. Move it out alongside the structure definition so that other implementations may reuse it. Acked-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Signed-off-by: Robin Murphy <robin.murphy@arm.com> Signed-off-by: Will Deacon <will.deacon@arm.com>
Diffstat (limited to 'drivers/iommu/io-pgtable.h')
-rw-r--r--drivers/iommu/io-pgtable.h2
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/iommu/io-pgtable.h b/drivers/iommu/io-pgtable.h
index 2e18469afe3c..36673c83de58 100644
--- a/drivers/iommu/io-pgtable.h
+++ b/drivers/iommu/io-pgtable.h
@@ -131,6 +131,8 @@ struct io_pgtable {
struct io_pgtable_ops ops;
};
+#define io_pgtable_ops_to_pgtable(x) container_of((x), struct io_pgtable, ops)
+
/**
* struct io_pgtable_init_fns - Alloc/free a set of page tables for a
* particular format.