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iommu/io-pgtable: Make io_pgtable_ops_to_pgtable() macro common

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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>
This commit is contained in:
Robin Murphy 2015-12-04 17:53:01 +00:00 committed by Will Deacon
parent 75df138655
commit fdc3896763
2 changed files with 2 additions and 3 deletions
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3
drivers/iommu/io-pgtable-arm.c
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@ -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))

2
drivers/iommu/io-pgtable.h
View file

@ -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.