diff options
author | Jason Gunthorpe <jgg@nvidia.com> | 2023-04-12 11:11:58 -0300 |
---|---|---|
committer | Joerg Roedel <jroedel@suse.de> | 2023-04-14 13:09:07 +0200 |
commit | f7f9c054a227ad4922070d748b1f4fc4b5657329 (patch) | |
tree | ccc9317d0fab1e16c9ab81791d9cdf7765b7f25b | |
parent | e223864f8257afde5e23eca4c006a0d69581a7a2 (diff) | |
download | linux-f7f9c054a227ad4922070d748b1f4fc4b5657329.tar.gz |
iommu: Remove iommu_group_get_by_id()
This is never called.
Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
Reviewed-by: Robin Murphy <robin.murphy@arm.com>
Link: https://lore.kernel.org/r/0-v1-60bbc66d7e92+24-rm_iommu_get_by_id_jgg@nvidia.com
Signed-off-by: Joerg Roedel <jroedel@suse.de>
-rw-r--r-- | drivers/iommu/iommu.c | 29 | ||||
-rw-r--r-- | include/linux/iommu.h | 6 |
2 files changed, 0 insertions, 35 deletions
diff --git a/drivers/iommu/iommu.c b/drivers/iommu/iommu.c index 435fc902df19..f35058f1d68e 100644 --- a/drivers/iommu/iommu.c +++ b/drivers/iommu/iommu.c @@ -882,35 +882,6 @@ struct iommu_group *iommu_group_alloc(void) } EXPORT_SYMBOL_GPL(iommu_group_alloc); -struct iommu_group *iommu_group_get_by_id(int id) -{ - struct kobject *group_kobj; - struct iommu_group *group; - const char *name; - - if (!iommu_group_kset) - return NULL; - - name = kasprintf(GFP_KERNEL, "%d", id); - if (!name) - return NULL; - - group_kobj = kset_find_obj(iommu_group_kset, name); - kfree(name); - - if (!group_kobj) - return NULL; - - group = container_of(group_kobj, struct iommu_group, kobj); - BUG_ON(group->id != id); - - kobject_get(group->devices_kobj); - kobject_put(&group->kobj); - - return group; -} -EXPORT_SYMBOL_GPL(iommu_group_get_by_id); - /** * iommu_group_get_iommudata - retrieve iommu_data registered for a group * @group: the group diff --git a/include/linux/iommu.h b/include/linux/iommu.h index c892e06f8357..7dbdd13d7ce0 100644 --- a/include/linux/iommu.h +++ b/include/linux/iommu.h @@ -460,7 +460,6 @@ extern bool iommu_present(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_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, struct device *dev); @@ -746,11 +745,6 @@ static inline struct iommu_domain *iommu_domain_alloc(struct bus_type *bus) return NULL; } -static inline struct iommu_group *iommu_group_get_by_id(int id) -{ - return NULL; -} - static inline void iommu_domain_free(struct iommu_domain *domain) { } |