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iommu: Constify struct iommu_ops

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This structure is read-only data and should never be modified.

Signed-off-by: Thierry Reding <treding@nvidia.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Joerg Roedel <jroedel@suse.de>
This commit is contained in:
Thierry Reding 2014-06-27 09:03:12 +02:00 • committed by Joerg Roedel
parent 066f2e98d8
commit b22f6434cf
14 changed files with 30 additions and 21 deletions
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4
include/linux/iommu.h
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@ -50,7 +50,7 @@ struct iommu_domain_geometry {
};
struct iommu_domain {
struct iommu_ops *ops;
const struct iommu_ops *ops;
void *priv;
iommu_fault_handler_t handler;
void *handler_token;
@ -140,7 +140,7 @@ struct iommu_ops {
#define IOMMU_GROUP_NOTIFY_UNBIND_DRIVER 5 /* Pre Driver unbind */
#define IOMMU_GROUP_NOTIFY_UNBOUND_DRIVER 6 /* Post Driver unbind */
extern int bus_set_iommu(struct bus_type *bus, struct iommu_ops *ops);
extern int bus_set_iommu(struct bus_type *bus, const struct iommu_ops *ops);
extern bool iommu_present(struct bus_type *bus);
extern struct iommu_domain *iommu_domain_alloc(struct bus_type *bus);
extern struct iommu_group *iommu_group_get_by_id(int id);