Commit 309c56e8 authored by Christoph Hellwig's avatar Christoph Hellwig Committed by Joerg Roedel
Browse files

iommu: remove the unused dev_has_feat method 



This method is never actually called.

Signed-off-by: default avatarChristoph Hellwig <hch@lst.de>
Reviewed-by: default avatarLu Baolu <baolu.lu@linux.intel.com>
Link: https://lore.kernel.org/r/20220708080616.238833-2-hch@lst.de


Signed-off-by: default avatarJoerg Roedel <jroedel@suse.de>
parent b4c9bf17

drivers/iommu/arm/arm-smmu-v3/arm-smmu-v3.c

+0 −1
Original line number Diff line number Diff line
@@ -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,

include/linux/iommu.h

+1 −3
Original line number Diff line number Diff line
@@ -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);