CONFIG_ARM_SMMU_MMU_500_CPRE_ERRATA: Enable errata workaround for CPRE in SMMU reset path

General informations

The Linux kernel configuration item CONFIG_ARM_SMMU_MMU_500_CPRE_ERRATA:

• prompt: Enable errata workaround for CPRE in SMMU reset path
• type: bool
• depends on: CONFIG_ARM_SMMU
• defined in drivers/iommu/Kconfig
• found in Linux kernels: 6.14-rc+HEAD

Help text

Say Y here (by default) to apply workaround to disable MMU-500's next-page prefetcher for sake of 4 known errata.

Say N here only when it is sure that any errata related to prefetch enablement are not applicable on the platform. Refer silicon-errata.rst for info on errata IDs.

Hardware

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The data is retrived from:

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• Linux Kernel Driver DataBase (LKDDb)

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