Commit ae3ff39a authored by Christoph Hellwig's avatar Christoph Hellwig Committed by Joerg Roedel
Browse files

iommu: remove the put_resv_regions method 



All drivers that implement get_resv_regions just use
generic_put_resv_regions to implement the put side.  Remove the
indirections and document the allocations constraints.

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/20220708080616.238833-4-hch@lst.de


Signed-off-by: default avatarJoerg Roedel <jroedel@suse.de>
parent a871765d

drivers/iommu/amd/iommu.c

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Original line number Diff line number Diff line
@@ -2280,7 +2280,6 @@ const struct iommu_ops amd_iommu_ops = { 
	.probe_finalize = amd_iommu_probe_finalize,

	.device_group = amd_iommu_device_group,

	.get_resv_regions = amd_iommu_get_resv_regions,

	.put_resv_regions = generic_iommu_put_resv_regions,

	.is_attach_deferred = amd_iommu_is_attach_deferred,

	.pgsize_bitmap	= AMD_IOMMU_PGSIZES,

	.def_domain_type = amd_iommu_def_domain_type,

drivers/iommu/apple-dart.c

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Original line number Diff line number Diff line
@@ -768,7 +768,6 @@ static const struct iommu_ops apple_dart_iommu_ops = { 
	.of_xlate = apple_dart_of_xlate,

	.def_domain_type = apple_dart_def_domain_type,

	.get_resv_regions = apple_dart_get_resv_regions,

	.put_resv_regions = generic_iommu_put_resv_regions,

	.pgsize_bitmap = -1UL, /* Restricted during dart probe */

	.owner = THIS_MODULE,

	.default_domain_ops = &(const struct iommu_domain_ops) {

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

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Original line number Diff line number Diff line
@@ -2852,7 +2852,6 @@ static struct iommu_ops arm_smmu_ops = { 
	.device_group		= arm_smmu_device_group,

	.of_xlate		= arm_smmu_of_xlate,

	.get_resv_regions	= arm_smmu_get_resv_regions,

	.put_resv_regions	= generic_iommu_put_resv_regions,

	.dev_enable_feat	= arm_smmu_dev_enable_feature,

	.dev_disable_feat	= arm_smmu_dev_disable_feature,

	.sva_bind		= arm_smmu_sva_bind,

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

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Original line number Diff line number Diff line
@@ -1584,7 +1584,6 @@ static struct iommu_ops arm_smmu_ops = { 
	.device_group		= arm_smmu_device_group,

	.of_xlate		= arm_smmu_of_xlate,

	.get_resv_regions	= arm_smmu_get_resv_regions,

	.put_resv_regions	= generic_iommu_put_resv_regions,

	.def_domain_type	= arm_smmu_def_domain_type,

	.pgsize_bitmap		= -1UL, /* Restricted during device attach */

	.owner			= THIS_MODULE,

drivers/iommu/intel/iommu.c

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Original line number Diff line number Diff line
@@ -4911,7 +4911,6 @@ const struct iommu_ops intel_iommu_ops = { 
	.probe_finalize		= intel_iommu_probe_finalize,

	.release_device		= intel_iommu_release_device,

	.get_resv_regions	= intel_iommu_get_resv_regions,

	.put_resv_regions	= generic_iommu_put_resv_regions,

	.device_group		= intel_iommu_device_group,

	.dev_enable_feat	= intel_iommu_dev_enable_feat,

	.dev_disable_feat	= intel_iommu_dev_disable_feat,