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XDMA not working with IOMMU passthrough mode? #371

@Bruce-CS

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@Bruce-CS

Hi, I am using XDMA driver from version v2024.1.0 with ARM64, when I enable IOMMU passthrough mode(CONFIG_IOMMU_DEFAULT_PASSTHROUGH=y), no DMA errors are seen from log, but the truth is payload is not received from peer. But it works well with translated mode (CONFIG_IOMMU_DEFAULT_PASSTHROUGH is not set).
Any ideas about it? Thanks a lot.

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