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authorJames Morris <james.l.morris@oracle.com>2012-09-28 13:37:32 +1000
committerJames Morris <james.l.morris@oracle.com>2012-09-28 13:37:32 +1000
commitbf5308344527d015ac9a6d2bda4ad4d40fd7d943 (patch)
tree566e61e2cfc648c374d15cfc8c661b73e1a471f8 /arch/powerpc/kernel/dma-iommu.c
parent3585e96cd1049682b8a19a0b699422156e9d735b (diff)
parent979570e02981d4a8fc20b3cc8fd651856c98ee9d (diff)
downloadop-kernel-dev-bf5308344527d015ac9a6d2bda4ad4d40fd7d943.zip
op-kernel-dev-bf5308344527d015ac9a6d2bda4ad4d40fd7d943.tar.gz
Merge tag 'v3.6-rc7' into next
Linux 3.6-rc7 Requested by David Howells so he can merge his key susbsystem work into my tree with requisite -linus changesets.
Diffstat (limited to 'arch/powerpc/kernel/dma-iommu.c')
-rw-r--r--arch/powerpc/kernel/dma-iommu.c9
1 files changed, 4 insertions, 5 deletions
diff --git a/arch/powerpc/kernel/dma-iommu.c b/arch/powerpc/kernel/dma-iommu.c
index 2d7bb8c..e489752 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)
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;
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