Commit a871765d authored by Christoph Hellwig's avatar Christoph Hellwig Committed by Joerg Roedel
Browse files

iommu: remove iommu_dev_feature_enabled 



Remove the unused iommu_dev_feature_enabled function.

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/20220708080616.238833-3-hch@lst.de


Signed-off-by: default avatarJoerg Roedel <jroedel@suse.de>
parent 309c56e8

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_feat_enabled	= arm_smmu_dev_feature_enabled,

	.dev_enable_feat	= arm_smmu_dev_enable_feature,

	.dev_disable_feat	= arm_smmu_dev_disable_feature,

	.sva_bind		= arm_smmu_sva_bind,

drivers/iommu/iommu.c

+0 −13
Original line number Diff line number Diff line
@@ -2760,19 +2760,6 @@ int iommu_dev_disable_feature(struct device *dev, enum iommu_dev_features feat) 
}

EXPORT_SYMBOL_GPL(iommu_dev_disable_feature);



bool iommu_dev_feature_enabled(struct device *dev, enum iommu_dev_features feat)

{

	if (dev->iommu && dev->iommu->iommu_dev) {

		const struct iommu_ops *ops = dev->iommu->iommu_dev->ops;



		if (ops->dev_feat_enabled)

			return ops->dev_feat_enabled(dev, feat);

	}



	return false;

}

EXPORT_SYMBOL_GPL(iommu_dev_feature_enabled);



/**

 * iommu_sva_bind_device() - Bind a process address space to a device

 * @dev: the device

include/linux/iommu.h

+0 −9
Original line number Diff line number Diff line
@@ -215,7 +215,6 @@ struct iommu_iotlb_gather { 
 *                      driver init to device driver init (default no)

 * @dev_has/enable/disable_feat: per device entries to check/enable/disable

 *                               iommu specific features.

 * @dev_feat_enabled: check enabled feature

 * @sva_bind: Bind process address space to device

 * @sva_unbind: Unbind process address space from device

 * @sva_get_pasid: Get PASID associated to a SVA handle
@@ -247,7 +246,6 @@ struct iommu_ops { 
	bool (*is_attach_deferred)(struct device *dev);



	/* Per device IOMMU features */

	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);
@@ -670,7 +668,6 @@ void iommu_release_device(struct device *dev); 


int iommu_dev_enable_feature(struct device *dev, enum iommu_dev_features f);

int iommu_dev_disable_feature(struct device *dev, enum iommu_dev_features f);

bool iommu_dev_feature_enabled(struct device *dev, enum iommu_dev_features f);



struct iommu_sva *iommu_sva_bind_device(struct device *dev,

					struct mm_struct *mm,
@@ -997,12 +994,6 @@ const struct iommu_ops *iommu_ops_from_fwnode(struct fwnode_handle *fwnode) 
	return NULL;

}



static inline bool

iommu_dev_feature_enabled(struct device *dev, enum iommu_dev_features feat)

{

	return false;

}



static inline int

iommu_dev_enable_feature(struct device *dev, enum iommu_dev_features feat)

{