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380505
2018 Apr 26
0
[PATCH v2 3/5] ARM: dma-mapping: Implement arch_iommu_detach_device()
...her way, so I can revert to that if you prefer.
Thierry
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2018 Apr 25
1
[PATCH v2 3/5] ARM: dma-mapping: Implement arch_iommu_detach_device()
> +void arch_iommu_detach_device(struct device *dev)
> +{
> +#ifdef CONFIG_ARM_DMA_USE_IOMMU
> + struct dma_iommu_mapping *mapping = to_dma_iommu_mapping(dev);
> + const struct dma_map_ops *dma_ops;
> +
> + if (!mapping)
> + return;
> +
> + arm_iommu_release_mapping(mapping);
> + arm_iommu_detach_device(dev);
> +
> + dma_ops =