Merge tag 'for-4.1' of git://git.kernel.org/pub/scm/linux/kernel/git/kishon/linux...

[deliverable/linux.git] / drivers / iommu / omap-iommu.c

diff --git a/drivers/iommu/omap-iommu.c b/drivers/iommu/omap-iommu.c
index f59f857b702e8e3f65080edd43b743a54091170f..a4ba851825c235b5bfa7ab93a8256adfca160ca7 100644 (file)
--- 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);