diff options
Diffstat (limited to 'arch/s390/pci/pci_dma.c')
| -rw-r--r-- | arch/s390/pci/pci_dma.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/arch/s390/pci/pci_dma.c b/arch/s390/pci/pci_dma.c index 1ea8c07eab84..070f1ae5cfad 100644 --- a/arch/s390/pci/pci_dma.c +++ b/arch/s390/pci/pci_dma.c @@ -226,7 +226,8 @@ static unsigned long __dma_alloc_iommu(struct device *dev, boundary_size = ALIGN(dma_get_seg_boundary(dev) + 1, PAGE_SIZE) >> PAGE_SHIFT; return iommu_area_alloc(zdev->iommu_bitmap, zdev->iommu_pages, - start, size, 0, boundary_size, 0); + start, size, zdev->start_dma >> PAGE_SHIFT, + boundary_size, 0); } static unsigned long dma_alloc_iommu(struct device *dev, int size) @@ -469,6 +470,7 @@ int zpci_dma_init_device(struct zpci_dev *zdev) * Also set zdev->end_dma to the actual end address of the usable * range, instead of the theoretical maximum as reported by hardware. */ + zdev->start_dma = PAGE_ALIGN(zdev->start_dma); zdev->iommu_size = min3((u64) high_memory, ZPCI_TABLE_SIZE_RT - zdev->start_dma, zdev->end_dma - zdev->start_dma + 1); |