Merge remote-tracking branch 'asoc/fix/kirkwood' into asoc-linus

[firefly-linux-kernel-4.4.55.git] / arch / powerpc / kernel / dma-iommu.c

diff --git a/arch/powerpc/kernel/dma-iommu.c b/arch/powerpc/kernel/dma-iommu.c
index 2d7bb8ced136c1e618d1e25229553a70512dc927..e4897523de41e45476bf002a64a3ab68d3e85e22 100644 (file)
--- 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)
                return 0;
        }
 
-       if ((tbl->it_offset + tbl->it_size) > (mask >> IOMMU_PAGE_SHIFT)) {
-               dev_info(dev, "Warning: IOMMU window too big for device mask\n");
-               dev_info(dev, "mask: 0x%08llx, table end: 0x%08lx\n",
-                               mask, (tbl->it_offset + tbl->it_size) <<
-                               IOMMU_PAGE_SHIFT);
+       if (tbl->it_offset > (mask >> IOMMU_PAGE_SHIFT)) {
+               dev_info(dev, "Warning: IOMMU offset too big for device mask\n");
+               dev_info(dev, "mask: 0x%08llx, table offset: 0x%08lx\n",
+                               mask, tbl->it_offset << IOMMU_PAGE_SHIFT);
                return 0;
        } else
                return 1;