dev_disable_feat 5979 drivers/iommu/intel-iommu.c .dev_disable_feat = intel_iommu_dev_disable_feat, dev_disable_feat 2384 drivers/iommu/iommu.c if (ops && ops->dev_disable_feat) dev_disable_feat 2385 drivers/iommu/iommu.c return ops->dev_disable_feat(dev, feat); dev_disable_feat 294 include/linux/iommu.h int (*dev_disable_feat)(struct device *dev, enum iommu_dev_features f);