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Commit fdc38967 authored Dec 04, 2015 by Robin Murphy Committed by Will Deacon Dec 17, 2015

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>

parent 75df1386

drivers/iommu/io-pgtable-arm.c

+0 −3

Original line number	Diff line number	Diff line
		@@ -38,9 +38,6 @@
		#define io_pgtable_to_data(x) \
		container_of((x), struct arm_lpae_io_pgtable, iop)

		#define io_pgtable_ops_to_pgtable(x) \
		container_of((x), struct io_pgtable, ops)

		#define io_pgtable_ops_to_data(x) \
		io_pgtable_to_data(io_pgtable_ops_to_pgtable(x))

drivers/iommu/io-pgtable.h

+2 −0

Original line number	Diff line number	Diff line
		@@ -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.