CONFIG_ARM_SMMU_LEGACY_DT_BINDINGS: Support the legacy 'mmu-masters' devicetree bindings

General informations

The Linux kernel configuration item CONFIG_ARM_SMMU_LEGACY_DT_BINDINGS:

• prompt: Support the legacy 'mmu-masters' devicetree bindings
• type: bool
• depends on: CONFIG_ARM_SMMU = CONFIG_y && CONFIG_OF
• defined in drivers/iommu/Kconfig
• found in Linux kernels: 5.6–5.19, 6.0–6.12, 6.13-rc+HEAD

Help text

Support for the badly designed and deprecated "mmu-masters" devicetree bindings. This allows some DMA masters to attach to the SMMU but does not provide any support via the DMA API. If you're lucky, you might be able to get VFIO up and running.

If you say Y here then you'll make me very sad. Instead, say N and move your firmware to the utopian future that was 2016.

Hardware

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The data is retrived from:

• Linux kernel
• Linux Kernel Driver DataBase (LKDDb)

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