Hi All, Building on top of the arch_setup_dma_ops() cleanup[1], the next step down the chain is {acpi,of}_dma_configure()... There's plenty to do here, but it may as well start with this fairly self-contained little cleanup, pruning yet more redundancy and exposed API surface. Thanks, Robin. [1] https://lore.kernel.org/linux-iommu/cover.1713523152.git.robin.murphy@xxxxxxx Robin Murphy (4): iommu: Resolve fwspec ops automatically ACPI: Retire acpi_iommu_fwspec_ops() OF: Simplify of_iommu_configure() iommu: Remove iommu_fwspec ops drivers/acpi/arm64/iort.c | 19 +++------- drivers/acpi/scan.c | 38 +++++--------------- drivers/acpi/viot.c | 11 ++---- drivers/iommu/arm/arm-smmu/arm-smmu.c | 3 +- drivers/iommu/iommu-priv.h | 7 ++++ drivers/iommu/iommu.c | 20 +++++------ drivers/iommu/mtk_iommu_v1.c | 2 +- drivers/iommu/of_iommu.c | 50 ++++++++++----------------- drivers/iommu/tegra-smmu.c | 2 +- drivers/of/device.c | 30 ++++++---------- include/acpi/acpi_bus.h | 3 +- include/linux/iommu.h | 15 ++------ 12 files changed, 66 insertions(+), 134 deletions(-) -- 2.39.2.101.g768bb238c484.dirty