Re: [PATCH 6/7] of_graph: add of_graph_get_top_port()

From: kbuild test robot
Date: Fri Jun 24 2016 - 00:40:12 EST


Hi,

[auto build test WARNING on robh/for-next]
[also build test WARNING on v4.7-rc4 next-20160623]
[cannot apply to glikely/devicetree/next]
[if your patch is applied to the wrong git tree, please drop us a note to help improve the system]

url: https://github.com/0day-ci/linux/commits/Kuninori-Morimoto/of_graph-prepare-for-ALSA-graph-support/20160624-105421
base: https://git.kernel.org/pub/scm/linux/kernel/git/robh/linux for-next
config: arm-at91_dt_defconfig (attached as .config)
compiler: arm-linux-gnueabi-gcc (Debian 5.3.1-8) 5.3.1 20160205
reproduce:
wget https://git.kernel.org/cgit/linux/kernel/git/wfg/lkp-tests.git/plain/sbin/make.cross -O ~/bin/make.cross
chmod +x ~/bin/make.cross
# save the attached .config to linux build tree
make.cross ARCH=arm

All warnings (new ones prefixed by >>):

In file included from drivers/gpu/drm/atmel-hlcdc/atmel_hlcdc_output.c:22:0:
>> include/linux/of_graph.h:54:50: warning: 'struct device' declared inside parameter list
struct device_node *of_graph_get_top_port(struct device *dev);
^
>> include/linux/of_graph.h:54:50: warning: its scope is only this definition or declaration, which is probably not what you want

vim +54 include/linux/of_graph.h

38 */
39 #define for_each_endpoint_of_node(parent, child) \
40 for (child = of_graph_get_next_endpoint(parent, NULL); child != NULL; \
41 child = of_graph_get_next_endpoint(parent, child))
42
43 #define of_graph_port_type_is_sound(n) of_graph_port_type_is(n, "sound")
44 #define of_graph_endpoint_type_is_sound(n) of_graph_endpoint_type_is(n, "sound")
45 #define of_graph_get_sound_endpoint_count(n) of_graph_get_endpoint_count(n, "sound")
46
47 #ifdef CONFIG_OF
48 int of_graph_parse_endpoint(const struct device_node *node,
49 struct of_endpoint *endpoint);
50 bool of_graph_port_type_is(struct device_node *port, char *type);
51 bool of_graph_endpoint_type_is(struct device_node *ep, char *type);
52 int of_graph_get_endpoint_count(const struct device_node *np, char *type);
53 struct device_node *of_graph_get_port_by_id(struct device_node *node, u32 id);
> 54 struct device_node *of_graph_get_top_port(struct device *dev);
55 struct device_node *of_graph_get_next_endpoint(const struct device_node *parent,
56 struct device_node *previous);
57 struct device_node *of_graph_get_endpoint_by_regs(
58 const struct device_node *parent, int port_reg, int reg);
59 struct device_node *of_graph_get_remote_endpoint(
60 const struct device_node *node);
61 struct device_node *of_graph_get_port_parent(struct device_node *node);
62 struct device_node *of_graph_get_remote_port_parent(

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