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authorJason Gunthorpe <jgg@nvidia.com>2023-04-12 11:11:58 -0300
committerJoerg Roedel <jroedel@suse.de>2023-04-14 13:09:07 +0200
commitf7f9c054a227ad4922070d748b1f4fc4b5657329 (patch)
treeccc9317d0fab1e16c9ab81791d9cdf7765b7f25b
parente223864f8257afde5e23eca4c006a0d69581a7a2 (diff)
downloadlinux-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.c29
-rw-r--r--include/linux/iommu.h6
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)
{
}