diff options
author | Mathieu Poirier <mathieu.poirier@linaro.org> | 2014-10-08 12:02:38 -0600 |
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committer | Mathieu Poirier <mathieu.poirier@linaro.org> | 2015-01-02 14:50:32 -0700 |
commit | 65056e1589363704cda3bc8710329e2a7f9d1139 (patch) | |
tree | 4f141bbc0a7c0598f705c526793460b86a20ef0b /include | |
parent | 455c6fdbd219161bd09b1165f11699d6d73de11c (diff) |
of: back-porting v4l2 graph bindings
This patch is back-porting the generic _portion_ of
fd9fdb78a9bf85b94fb2190c82ff280c8f8375cc to 3.14
Signed-off-by: Mathieu Poirier <mathieu.poirier@linaro.org>
Conflicts:
drivers/of/base.c
Diffstat (limited to 'include')
-rw-r--r-- | include/linux/of_graph.h | 46 |
1 files changed, 46 insertions, 0 deletions
diff --git a/include/linux/of_graph.h b/include/linux/of_graph.h new file mode 100644 index 000000000000..3bbeb609a360 --- /dev/null +++ b/include/linux/of_graph.h @@ -0,0 +1,46 @@ +/* + * OF graph binding parsing helpers + * + * Copyright (C) 2012 - 2013 Samsung Electronics Co., Ltd. + * Author: Sylwester Nawrocki <s.nawrocki@samsung.com> + * + * Copyright (C) 2012 Renesas Electronics Corp. + * Author: Guennadi Liakhovetski <g.liakhovetski@gmx.de> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of version 2 of the GNU General Public License as + * published by the Free Software Foundation. + */ +#ifndef __LINUX_OF_GRAPH_H +#define __LINUX_OF_GRAPH_H + +#ifdef CONFIG_OF +struct device_node *of_graph_get_next_endpoint(const struct device_node *parent, + struct device_node *previous); +struct device_node *of_graph_get_remote_port_parent( + const struct device_node *node); +struct device_node *of_graph_get_remote_port(const struct device_node *node); +#else + +static inline struct device_node *of_graph_get_next_endpoint( + const struct device_node *parent, + struct device_node *previous) +{ + return NULL; +} + +static inline struct device_node *of_graph_get_remote_port_parent( + const struct device_node *node) +{ + return NULL; +} + +static inline struct device_node *of_graph_get_remote_port( + const struct device_node *node) +{ + return NULL; +} + +#endif /* CONFIG_OF */ + +#endif /* __LINUX_OF_GRAPH_H */ |