Merge remote-tracking branches 'asoc/fix/ak4671', 'asoc/fix/control', 'asoc/fix/da732...

[firefly-linux-kernel-4.4.55.git] / drivers / iommu / exynos-iommu.c

diff --git a/drivers/iommu/exynos-iommu.c b/drivers/iommu/exynos-iommu.c
index 7ce52737c7a129c825397733041d945cd05761bf..dc14fec4ede123b0af6564f641d81dcfcb958b25 100644 (file)
--- a/drivers/iommu/exynos-iommu.c
+++ b/drivers/iommu/exynos-iommu.c
@@ -1186,8 +1186,15 @@ static const struct iommu_ops exynos_iommu_ops = {
 
 static int __init exynos_iommu_init(void)
 {
+       struct device_node *np;
        int ret;
 
+       np = of_find_matching_node(NULL, sysmmu_of_match);
+       if (!np)
+               return 0;
+
+       of_node_put(np);
+
        lv2table_kmem_cache = kmem_cache_create("exynos-iommu-lv2table",
                                LV2TABLE_SIZE, LV2TABLE_SIZE, 0, NULL);
        if (!lv2table_kmem_cache) {