From f984fb09e60e0e2db5ad5be9d4cfcefb2008fda1 Mon Sep 17 00:00:00 2001 From: Lu Baolu Date: Fri, 18 Apr 2025 16:01:30 +0800 Subject: iommu: Remove iommu_dev_enable/disable_feature() No external drivers use these interfaces anymore. Furthermore, no existing iommu drivers implement anything in the callbacks. Remove them to avoid dead code. Signed-off-by: Lu Baolu Reviewed-by: Jason Gunthorpe Reviewed-by: Kevin Tian Tested-by: Zhangfei Gao Reviewed-by: Nicolin Chen Link: https://lore.kernel.org/r/20250418080130.1844424-9-baolu.lu@linux.intel.com Signed-off-by: Joerg Roedel --- drivers/iommu/intel/iommu.c | 25 ------------------------- 1 file changed, 25 deletions(-) (limited to 'drivers/iommu/intel/iommu.c') diff --git a/drivers/iommu/intel/iommu.c b/drivers/iommu/intel/iommu.c index a18e7504c7d1..e9ffe0a95944 100644 --- a/drivers/iommu/intel/iommu.c +++ b/drivers/iommu/intel/iommu.c @@ -3957,29 +3957,6 @@ void intel_iommu_disable_iopf(struct device *dev) iopf_queue_remove_device(iommu->iopf_queue, dev); } -static int -intel_iommu_dev_enable_feat(struct device *dev, enum iommu_dev_features feat) -{ - switch (feat) { - case IOMMU_DEV_FEAT_IOPF: - return 0; - default: - return -ENODEV; - } -} - -static int -intel_iommu_dev_disable_feat(struct device *dev, enum iommu_dev_features feat) -{ - switch (feat) { - case IOMMU_DEV_FEAT_IOPF: - return 0; - - default: - return -ENODEV; - } -} - static bool intel_iommu_is_attach_deferred(struct device *dev) { struct device_domain_info *info = dev_iommu_priv_get(dev); @@ -4421,8 +4398,6 @@ const struct iommu_ops intel_iommu_ops = { .release_device = intel_iommu_release_device, .get_resv_regions = intel_iommu_get_resv_regions, .device_group = intel_iommu_device_group, - .dev_enable_feat = intel_iommu_dev_enable_feat, - .dev_disable_feat = intel_iommu_dev_disable_feat, .is_attach_deferred = intel_iommu_is_attach_deferred, .def_domain_type = device_def_domain_type, .pgsize_bitmap = SZ_4K, -- cgit v1.2.3