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iommu/ipmmu-vmsa: IPMMU device is 40-bit bus master
The r8a7795 IPMMU supports 40-bit bus mastering. Both the coherent DMA mask and the streaming DMA mask are set to unlock the 40-bit address space for coherent allocations and streaming operations. Signed-off-by: Magnus Damm <damm+renesas@opensource.se> Signed-off-by: Alex Williamson <alex.williamson@redhat.com>
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@ -903,6 +903,7 @@ static int ipmmu_probe(struct platform_device *pdev)
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spin_lock_init(&mmu->lock);
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bitmap_zero(mmu->ctx, IPMMU_CTX_MAX);
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mmu->features = of_device_get_match_data(&pdev->dev);
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dma_set_mask_and_coherent(&pdev->dev, DMA_BIT_MASK(40));
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/* Map I/O memory and request IRQ. */
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res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
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