diff options
Diffstat (limited to '')
| -rw-r--r-- | arch/sparc/kernel/pci_sun4v.c | 5 |
1 files changed, 2 insertions, 3 deletions
diff --git a/arch/sparc/kernel/pci_sun4v.c b/arch/sparc/kernel/pci_sun4v.c index 06981cc716b6..cabb609fedcc 100644 --- a/arch/sparc/kernel/pci_sun4v.c +++ b/arch/sparc/kernel/pci_sun4v.c @@ -478,11 +478,10 @@ static int dma_4v_map_sg(struct device *dev, struct scatterlist *sglist, BUG_ON(direction == DMA_NONE); iommu = dev->archdata.iommu; - atu = iommu->atu; - if (nelems == 0 || !iommu) return 0; - + atu = iommu->atu; + prot = HV_PCI_MAP_ATTR_READ; if (direction != DMA_TO_DEVICE) prot |= HV_PCI_MAP_ATTR_WRITE; |