diff options
| author | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2023-03-13 19:29:16 +0100 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2023-03-23 13:21:54 +0100 |
| commit | b18d0a0f92a8fe9e56d812808184c8c4b9f18f92 (patch) | |
| tree | cf261d8f973b64816b8edeb67f3e3dd376491523 /include/linux/iommu.h | |
| parent | a3ea9fbc822f9ae9402ffc0954751d7a11f672ea (diff) | |
iommu: make the pointer to struct bus_type constant
A number of iommu functions take a struct bus_type * and never modify
the data passed in, so make them all const * as that is what the driver
core is expecting to have passed into as well.
This is a step toward making all struct bus_type pointers constant in
the kernel.
Cc: Will Deacon <will@kernel.org>
Cc: Robin Murphy <robin.murphy@arm.com>
Cc: iommu@lists.linux.dev
Acked-by: Joerg Roedel <jroedel@suse.de>
Link: https://lore.kernel.org/r/20230313182918.1312597-34-gregkh@linuxfoundation.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'include/linux/iommu.h')
| -rw-r--r-- | include/linux/iommu.h | 10 |
1 files changed, 5 insertions, 5 deletions
diff --git a/include/linux/iommu.h b/include/linux/iommu.h index 6595454d4f48..0fd4e6734d5b 100644 --- a/include/linux/iommu.h +++ b/include/linux/iommu.h @@ -455,11 +455,11 @@ static inline const struct iommu_ops *dev_iommu_ops(struct device *dev) return dev->iommu->iommu_dev->ops; } -extern int bus_iommu_probe(struct bus_type *bus); -extern bool iommu_present(struct bus_type *bus); +extern int bus_iommu_probe(const struct bus_type *bus); +extern bool iommu_present(const struct bus_type *bus); extern bool device_iommu_capable(struct device *dev, enum iommu_cap cap); extern bool iommu_group_has_isolated_msi(struct iommu_group *group); -extern struct iommu_domain *iommu_domain_alloc(struct bus_type *bus); +extern struct iommu_domain *iommu_domain_alloc(const struct bus_type *bus); extern struct iommu_group *iommu_group_get_by_id(int id); extern void iommu_domain_free(struct iommu_domain *domain); extern int iommu_attach_device(struct iommu_domain *domain, @@ -732,7 +732,7 @@ struct iommu_device {}; struct iommu_fault_param {}; struct iommu_iotlb_gather {}; -static inline bool iommu_present(struct bus_type *bus) +static inline bool iommu_present(const struct bus_type *bus) { return false; } @@ -742,7 +742,7 @@ static inline bool device_iommu_capable(struct device *dev, enum iommu_cap cap) return false; } -static inline struct iommu_domain *iommu_domain_alloc(struct bus_type *bus) +static inline struct iommu_domain *iommu_domain_alloc(const struct bus_type *bus) { return NULL; } |