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authorLu Baolu <baolu.lu@linux.intel.com>2023-01-10 10:54:08 +0800
committerJoerg Roedel <jroedel@suse.de>2023-01-13 16:39:18 +0100
commit8f9930fa016134ea07db4775ec596b16c3d03f05 (patch)
tree1463d22347c5e80ed4bee1cd14dd75a38a468142 /include
parentdd8a25c557e109f868430bd2e3e8f394cb40eaa7 (diff)
iommu: Remove detach_dev callback
The detach_dev callback of domain ops is not called in the IOMMU core. Remove this callback to avoid dead code. The trace event for detaching domain from device is removed accordingly. Reviewed-by: Jason Gunthorpe <jgg@nvidia.com> Signed-off-by: Lu Baolu <baolu.lu@linux.intel.com> Link: https://lore.kernel.org/r/20230110025408.667767-6-baolu.lu@linux.intel.com Signed-off-by: Joerg Roedel <jroedel@suse.de>
Diffstat (limited to 'include')
-rw-r--r--include/linux/iommu.h2
-rw-r--r--include/trace/events/iommu.h7
2 files changed, 0 insertions, 9 deletions
diff --git a/include/linux/iommu.h b/include/linux/iommu.h
index 0d10566b3cb2..a8063f26ff69 100644
--- a/include/linux/iommu.h
+++ b/include/linux/iommu.h
@@ -299,7 +299,6 @@ struct iommu_ops {
* * EBUSY - device is attached to a domain and cannot be changed
* * ENODEV - device specific errors, not able to be attached
* * <others> - treated as ENODEV by the caller. Use is discouraged
- * @detach_dev: detach an iommu domain from a device
* @set_dev_pasid: set an iommu domain to a pasid of device
* @map: map a physically contiguous memory region to an iommu domain
* @map_pages: map a physically contiguous set of pages of the same size to
@@ -320,7 +319,6 @@ struct iommu_ops {
*/
struct iommu_domain_ops {
int (*attach_dev)(struct iommu_domain *domain, struct device *dev);
- void (*detach_dev)(struct iommu_domain *domain, struct device *dev);
int (*set_dev_pasid)(struct iommu_domain *domain, struct device *dev,
ioasid_t pasid);
diff --git a/include/trace/events/iommu.h b/include/trace/events/iommu.h
index 29096fe12623..70743db1fb75 100644
--- a/include/trace/events/iommu.h
+++ b/include/trace/events/iommu.h
@@ -76,13 +76,6 @@ DEFINE_EVENT(iommu_device_event, attach_device_to_domain,
TP_ARGS(dev)
);
-DEFINE_EVENT(iommu_device_event, detach_device_from_domain,
-
- TP_PROTO(struct device *dev),
-
- TP_ARGS(dev)
-);
-
TRACE_EVENT(map,
TP_PROTO(unsigned long iova, phys_addr_t paddr, size_t size),