linux-kernel - Re: [PATCH 6/7] of_graph: add of_graph_get_top

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Message-ID: <201606241243.MalfOuW6%fengguang.wu@intel.com>
Date:	Fri, 24 Jun 2016 12:39:03 +0800
From:	kbuild test robot <lkp@...el.com>
To:	Kuninori Morimoto <kuninori.morimoto.gx@...esas.com>
Cc:	kbuild-all@...org, Rob Herring <robh+dt@...nel.org>,
	Mark Brown <broonie@...aro.org>,
	Mark Brown <broonie@...nel.org>,
	Laurent <laurent.pinchart@...asonboard.com>,
	Guennadi <g.liakhovetski@....de>,
	Grant Likely <grant.likely@...aro.org>,
	Frank Rowand <frowand.list@...il.com>,
	Linux-Kernel <linux-kernel@...r.kernel.org>,
	Linux-DT <devicetree@...r.kernel.org>,
	Linux-ALSA <alsa-devel@...a-project.org>
Subject: Re: [PATCH 6/7] of_graph: add of_graph_get_top_port()

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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0-DAY kernel test infrastructure                Open Source Technology Center
https://lists.01.org/pipermail/kbuild-all                   Intel Corporation

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