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Default MMU-500 reset operation disables context caching in prefetch buffer. It is however expected for context banks using the ACTLR register to retain their prefetch value during reset and runtime suspend. Add config 'ARM_SMMU_MMU_500_CPRE_ERRATA' to gate this errata workaround in default MMU-500 reset operation which defaults to 'Y' and provide option to disable workaround for context caching in prefetch buffer as and when needed. Suggested-by: Will Deacon <will@kernel.org> Signed-off-by: Bibek Kumar Patro <quic_bibekkum@quicinc.com> Link: https://lore.kernel.org/r/20241212151402.159102-2-quic_bibekkum@quicinc.com Signed-off-by: Will Deacon <will@kernel.org> |
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