On Friday 23 January 2015 16:21:49 Laurent Pinchart wrote:
> +/**
> + * arm_iommu_detach_device
> + * @dev: valid struct device pointer
> + *
> + * Detaches the provided device from a previously attached map.
> + * This voids the dma operations (dma_map_ops pointer)
> + */
> +void arm_iommu_detach_device(struct device *dev)
> +{
> + __arm_iommu_detach_device(dev);
> + set_dma_ops(dev, NULL);
> +}
> EXPORT_SYMBOL_GPL(arm_iommu_detach_device);
>
>
Would this introduce a regression in the case where the device is
cache coherent and needs arm_coherent_dma_ops set?
Arnd
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