Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux

[firefly-linux-kernel-4.4.55.git] / drivers / of / base.c

diff --git a/drivers/of/base.c b/drivers/of/base.c
index f53b992f060a1eaa50fb9de6afda8edb6bf49e69..a6f584a7f4a13f2842663c98d807e9b38b2cf89f 100644 (file)
--- a/drivers/of/base.c
+++ b/drivers/of/base.c
@@ -192,14 +192,15 @@ EXPORT_SYMBOL(of_find_property);
 struct device_node *of_find_all_nodes(struct device_node *prev)
 {
        struct device_node *np;
+       unsigned long flags;
 
-       raw_spin_lock(&devtree_lock);
+       raw_spin_lock_irqsave(&devtree_lock, flags);
        np = prev ? prev->allnext : of_allnodes;
        for (; np != NULL; np = np->allnext)
                if (of_node_get(np))
                        break;
        of_node_put(prev);
-       raw_spin_unlock(&devtree_lock);
+       raw_spin_unlock_irqrestore(&devtree_lock, flags);
        return np;
 }
 EXPORT_SYMBOL(of_find_all_nodes);
@@ -421,8 +422,9 @@ struct device_node *of_get_next_available_child(const struct device_node *node,
        struct device_node *prev)
 {
        struct device_node *next;
+       unsigned long flags;
 
-       raw_spin_lock(&devtree_lock);
+       raw_spin_lock_irqsave(&devtree_lock, flags);
        next = prev ? prev->sibling : node->child;
        for (; next; next = next->sibling) {
                if (!__of_device_is_available(next))
@@ -431,7 +433,7 @@ struct device_node *of_get_next_available_child(const struct device_node *node,
                        break;
        }
        of_node_put(prev);
-       raw_spin_unlock(&devtree_lock);
+       raw_spin_unlock_irqrestore(&devtree_lock, flags);
        return next;
 }
 EXPORT_SYMBOL(of_get_next_available_child);
@@ -735,13 +737,14 @@ EXPORT_SYMBOL_GPL(of_modalias_node);
 struct device_node *of_find_node_by_phandle(phandle handle)
 {
        struct device_node *np;
+       unsigned long flags;
 
-       raw_spin_lock(&devtree_lock);
+       raw_spin_lock_irqsave(&devtree_lock, flags);
        for (np = of_allnodes; np; np = np->allnext)
                if (np->phandle == handle)
                        break;
        of_node_get(np);
-       raw_spin_unlock(&devtree_lock);
+       raw_spin_unlock_irqrestore(&devtree_lock, flags);
        return np;
 }
 EXPORT_SYMBOL(of_find_node_by_phandle);