diff options
Diffstat (limited to 'arch/sparc/kernel/iommu.c')
| -rw-r--r-- | arch/sparc/kernel/iommu.c | 13 |
1 files changed, 5 insertions, 8 deletions
diff --git a/arch/sparc/kernel/iommu.c b/arch/sparc/kernel/iommu.c index b1a09080e8da..4ae7388b1bff 100644 --- a/arch/sparc/kernel/iommu.c +++ b/arch/sparc/kernel/iommu.c @@ -745,15 +745,12 @@ static int dma_4u_supported(struct device *dev, u64 device_mask) { struct iommu *iommu = dev->archdata.iommu; - if (device_mask > DMA_BIT_MASK(32)) - return 0; - if ((device_mask & iommu->dma_addr_mask) == iommu->dma_addr_mask) + if (ali_sound_dma_hack(dev, device_mask)) return 1; -#ifdef CONFIG_PCI - if (dev_is_pci(dev)) - return pci64_dma_supported(to_pci_dev(dev), device_mask); -#endif - return 0; + + if (device_mask < iommu->dma_addr_mask) + return 0; + return 1; } static const struct dma_map_ops sun4u_dma_ops = { |