Commit 262948f8 authored by John Garry's avatar John Garry Committed by Joerg Roedel
Browse files

iommu: Delete iommu_dev_has_feature() 



Function iommu_dev_has_feature() has never been referenced in the tree,
and there does not appear to be anything coming soon to use it, so delete
it.

Signed-off-by: default avatarJohn Garry <john.garry@huawei.com>
Acked-by: default avatarWill Deacon <will@kernel.org>
Link: https://lore.kernel.org/r/1609940111-28563-7-git-send-email-john.garry@huawei.com


Signed-off-by: default avatarJoerg Roedel <jroedel@suse.de>
parent ab0a7119

drivers/iommu/iommu.c

+0 −11
Original line number Diff line number Diff line
@@ -2853,17 +2853,6 @@ EXPORT_SYMBOL_GPL(iommu_fwspec_add_ids); 
/*

 * Per device IOMMU features.

 */

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

{

	const struct iommu_ops *ops = dev->bus->iommu_ops;



	if (ops && ops->dev_has_feat)

		return ops->dev_has_feat(dev, feat);



	return false;

}

EXPORT_SYMBOL_GPL(iommu_dev_has_feature);



int iommu_dev_enable_feature(struct device *dev, enum iommu_dev_features feat)

{

	const struct iommu_ops *ops = dev->bus->iommu_ops;

include/linux/iommu.h

+0 −7
Original line number Diff line number Diff line
@@ -626,7 +626,6 @@ static inline void dev_iommu_priv_set(struct device *dev, void *priv) 
int iommu_probe_device(struct device *dev);

void iommu_release_device(struct device *dev);



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

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);
@@ -975,12 +974,6 @@ const struct iommu_ops *iommu_ops_from_fwnode(struct fwnode_handle *fwnode) 
	return NULL;

}



static inline bool

iommu_dev_has_feature(struct device *dev, enum iommu_dev_features feat)

{

	return false;

}



static inline bool

iommu_dev_feature_enabled(struct device *dev, enum iommu_dev_features feat)

{