diff options
Diffstat (limited to 'arch/powerpc/kernel/dma-iommu.c')
| -rw-r--r-- | arch/powerpc/kernel/dma-iommu.c | 9 |
1 files changed, 4 insertions, 5 deletions
diff --git a/arch/powerpc/kernel/dma-iommu.c b/arch/powerpc/kernel/dma-iommu.c index 2d7bb8ced136..e4897523de41 100644 --- a/arch/powerpc/kernel/dma-iommu.c +++ b/arch/powerpc/kernel/dma-iommu.c | |||
| @@ -83,11 +83,10 @@ static int dma_iommu_dma_supported(struct device *dev, u64 mask) | |||
| 83 | return 0; | 83 | return 0; |
| 84 | } | 84 | } |
| 85 | 85 | ||
| 86 | if ((tbl->it_offset + tbl->it_size) > (mask >> IOMMU_PAGE_SHIFT)) { | 86 | if (tbl->it_offset > (mask >> IOMMU_PAGE_SHIFT)) { |
| 87 | dev_info(dev, "Warning: IOMMU window too big for device mask\n"); | 87 | dev_info(dev, "Warning: IOMMU offset too big for device mask\n"); |
| 88 | dev_info(dev, "mask: 0x%08llx, table end: 0x%08lx\n", | 88 | dev_info(dev, "mask: 0x%08llx, table offset: 0x%08lx\n", |
| 89 | mask, (tbl->it_offset + tbl->it_size) << | 89 | mask, tbl->it_offset << IOMMU_PAGE_SHIFT); |
| 90 | IOMMU_PAGE_SHIFT); | ||
| 91 | return 0; | 90 | return 0; |
| 92 | } else | 91 | } else |
| 93 | return 1; | 92 | return 1; |