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iommu: remove the unused dev_has_feat method

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This method is never actually called.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Lu Baolu <baolu.lu@linux.intel.com>
Link: https://lore.kernel.org/r/20220708080616.238833-2-hch@lst.de
Signed-off-by: Joerg Roedel <jroedel@suse.de>
This commit is contained in:
Christoph Hellwig 2022-07-08 10:06:13 +02:00 committed by Joerg Roedel
parent b4c9bf178a
commit 309c56e846
2 changed files with 1 additions and 4 deletions
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1
drivers/iommu/arm/arm-smmu-v3/arm-smmu-v3.c
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@ -2853,7 +2853,6 @@ static struct iommu_ops arm_smmu_ops = {
.of_xlate = arm_smmu_of_xlate,
.get_resv_regions = arm_smmu_get_resv_regions,
.put_resv_regions = generic_iommu_put_resv_regions,
.dev_has_feat = arm_smmu_dev_has_feature,
.dev_feat_enabled = arm_smmu_dev_feature_enabled,
.dev_enable_feat = arm_smmu_dev_enable_feature,
.dev_disable_feat = arm_smmu_dev_disable_feature,

4
include/linux/iommu.h
View File

@ -164,8 +164,7 @@ struct iommu_iort_rmr_data {
* supported, this feature must be enabled before and
* disabled after %IOMMU_DEV_FEAT_SVA.
*
* Device drivers query whether a feature is supported using
* iommu_dev_has_feature(), and enable it using iommu_dev_enable_feature().
* Device drivers enable a feature using iommu_dev_enable_feature().
*/
enum iommu_dev_features {
IOMMU_DEV_FEAT_SVA,
@ -248,7 +247,6 @@ struct iommu_ops {
bool (*is_attach_deferred)(struct device *dev);
/* Per device IOMMU features */
bool (*dev_has_feat)(struct device *dev, enum iommu_dev_features f);
bool (*dev_feat_enabled)(struct device *dev, enum iommu_dev_features f);
int (*dev_enable_feat)(struct device *dev, enum iommu_dev_features f);
int (*dev_disable_feat)(struct device *dev, enum iommu_dev_features f);