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-rw-r--r--drivers/of/platform.c28
1 files changed, 16 insertions, 12 deletions
diff --git a/drivers/of/platform.c b/drivers/of/platform.c
index ed5a6d3c26aa..cbd5d701c7e0 100644
--- a/drivers/of/platform.c
+++ b/drivers/of/platform.c
@@ -310,18 +310,21 @@ static const struct of_dev_auxdata *of_dev_lookup(const struct of_dev_auxdata *l
struct device_node *np)
{
struct resource res;
- if (lookup) {
- for(; lookup->name != NULL; lookup++) {
- if (!of_device_is_compatible(np, lookup->compatible))
- continue;
- if (of_address_to_resource(np, 0, &res))
- continue;
- if (res.start != lookup->phys_addr)
- continue;
- pr_debug("%s: devname=%s\n", np->full_name, lookup->name);
- return lookup;
- }
+
+ if (!lookup)
+ return NULL;
+
+ for(; lookup->name != NULL; lookup++) {
+ if (!of_device_is_compatible(np, lookup->compatible))
+ continue;
+ if (of_address_to_resource(np, 0, &res))
+ continue;
+ if (res.start != lookup->phys_addr)
+ continue;
+ pr_debug("%s: devname=%s\n", np->full_name, lookup->name);
+ return lookup;
}
+
return NULL;
}
@@ -329,8 +332,9 @@ static const struct of_dev_auxdata *of_dev_lookup(const struct of_dev_auxdata *l
* of_platform_bus_create() - Create a device for a node and its children.
* @bus: device node of the bus to instantiate
* @matches: match table for bus nodes
- * disallow recursive creation of child buses
+ * @lookup: auxdata table for matching id and platform_data with device nodes
* @parent: parent for new device, or NULL for top level.
+ * @strict: require compatible property
*
* Creates a platform_device for the provided device_node, and optionally
* recursively create devices for all the child nodes.