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-rw-r--r--drivers/iommu/omap-iommu.c7
1 files changed, 7 insertions, 0 deletions
diff --git a/drivers/iommu/omap-iommu.c b/drivers/iommu/omap-iommu.c
index f59f857b702e..a4ba851825c2 100644
--- a/drivers/iommu/omap-iommu.c
+++ b/drivers/iommu/omap-iommu.c
@@ -1376,6 +1376,13 @@ static int __init omap_iommu_init(void)
struct kmem_cache *p;
const unsigned long flags = SLAB_HWCACHE_ALIGN;
size_t align = 1 << 10; /* L2 pagetable alignement */
+ struct device_node *np;
+
+ np = of_find_matching_node(NULL, omap_iommu_of_match);
+ if (!np)
+ return 0;
+
+ of_node_put(np);
p = kmem_cache_create("iopte_cache", IOPTE_TABLE_SIZE, align, flags,
iopte_cachep_ctor);
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