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iommu: of: enforce const-ness of struct iommu_ops

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As a set of driver-provided callbacks and static data, there is no
compelling reason for struct iommu_ops to be mutable in core code, so
enforce const-ness throughout.

Acked-by: Thierry Reding <treding@nvidia.com>
Signed-off-by: Robin Murphy <robin.murphy@arm.com>
Acked-by: Will Deacon <will.deacon@arm.com>
Signed-off-by: Joerg Roedel <jroedel@suse.de>
This commit is contained in:
Robin Murphy 2016-04-07 18:42:05 +01:00 • committed by Joerg Roedel
parent 3c3e8943ac
commit 53c92d7933
8 changed files with 20 additions and 20 deletions
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8
include/linux/of_iommu.h
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@ -12,7 +12,7 @@ extern int of_get_dma_window(struct device_node *dn, const char *prefix,
size_t *size);
extern void of_iommu_init(void);
extern struct iommu_ops *of_iommu_configure(struct device *dev,
extern const struct iommu_ops *of_iommu_configure(struct device *dev,
struct device_node *master_np);
#else
@ -25,7 +25,7 @@ static inline int of_get_dma_window(struct device_node *dn, const char *prefix,
}
static inline void of_iommu_init(void) { }
static inline struct iommu_ops *of_iommu_configure(struct device *dev,
static inline const struct iommu_ops *of_iommu_configure(struct device *dev,
struct device_node *master_np)
{
return NULL;
@ -33,8 +33,8 @@ static inline struct iommu_ops *of_iommu_configure(struct device *dev,
#endif /* CONFIG_OF_IOMMU */
void of_iommu_set_ops(struct device_node *np, struct iommu_ops *ops);
struct iommu_ops *of_iommu_get_ops(struct device_node *np);
void of_iommu_set_ops(struct device_node *np, const struct iommu_ops *ops);
const struct iommu_ops *of_iommu_get_ops(struct device_node *np);
extern struct of_device_id __iommu_of_table;