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iommu: remove the put_resv_regions method

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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: Christoph Hellwig <hch@lst.de>
Reviewed-by: Lu Baolu <baolu.lu@linux.intel.com>
Link: https://lore.kernel.org/r/20220708080616.238833-4-hch@lst.de
Signed-off-by: Joerg Roedel <jroedel@suse.de>
This commit is contained in:
Christoph Hellwig
2022-07-08 10:06:15 +02:00
committed by Joerg Roedel
parent a871765d55
commit ae3ff39a51
9 changed files with 6 additions and 30 deletions
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drivers/iommu/arm/arm-smmu/arm-smmu.c
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@@ -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,