Re: [alsa-devel] [PATCH 2/4] ASoC: add of_parse_snd_connection_with_args() for sound-dai/graph connection

From: kbuild test robot <lkp@intel.com>
To: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Cc: kbuild-all@01.org, Mark Brown <broonie@kernel.org>,
	Laurent <laurent.pinchart@ideasonboard.com>,
	Lars-Peter Clausen <lars@metafoo.de>,
	Jose Abreu <Jose.Abreu@synopsys.com>,
	Linux-DT <devicetree@vger.kernel.org>,
	Linux-ALSA <alsa-devel@alsa-project.org>,
	Liam Girdwood <lgirdwood@gmail.com>,
	Linux-Renesas <linux-renesas-soc@vger.kernel.org>,
	Simon <horms@verge.net.au>
Subject: Re: [alsa-devel] [PATCH 2/4] ASoC: add of_parse_snd_connection_with_args() for sound-dai/graph connection
Date: Thu, 14 Apr 2016 14:17:41 +0800	[thread overview]
Message-ID: <201604141448.2STegOrD%fengguang.wu@intel.com> (raw)
In-Reply-To: <87y48gvj9i.wl%kuninori.morimoto.gx@renesas.com>

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Hi Kuninori,

[auto build test WARNING on asoc/for-next]
[also build test WARNING on v4.6-rc3 next-20160413]
[if your patch is applied to the wrong git tree, please drop us a note to help improving the system]

url:    https://github.com/0day-ci/linux/commits/Kuninori-Morimoto/ASoC-add-graph-base-connection-on-simple-card/20160414-135303
base:   https://git.kernel.org/pub/scm/linux/kernel/git/broonie/sound.git for-next
config: x86_64-randconfig-x013-201615 (attached as .config)
reproduce:
        # save the attached .config to linux build tree
        make ARCH=x86_64 

All warnings (new ones prefixed by >>):

   sound/soc/soc-core.c: In function 'of_parse_snd_soc_connection_with_args':
>> sound/soc/soc-core.c:3848:35: warning: passing argument 1 of 'of_parse_phandle_with_args' discards 'const' qualifier from pointer target type [-Wdiscarded-qualifiers]
     ret = of_parse_phandle_with_args(np, "sound-dai",
                                      ^
   In file included from sound/soc/soc-core.c:36:0:
   include/linux/of.h:588:19: note: expected 'struct device_node *' but argument is of type 'const struct device_node *'
    static inline int of_parse_phandle_with_args(struct device_node *np,
                      ^

vim +3848 sound/soc/soc-core.c

  3832				*dai_name = pos->dai_drv[id].name;
  3833				if (!*dai_name)
  3834					*dai_name = pos->name;
  3835			}
  3836	
  3837			break;
  3838		}
  3839		mutex_unlock(&client_mutex);
  3840		return ret;
  3841	}
  3842	
  3843	int of_parse_snd_soc_connection_with_args(const struct device_node *np,
  3844						  struct of_phandle_args *out_args)
  3845	{
  3846		int ret;
  3847	
> 3848		ret = of_parse_phandle_with_args(np, "sound-dai",
  3849						 "#sound-dai-cells", 0, out_args);
  3850		if (ret) {
  3851			struct device_node *p_node = NULL;
  3852			struct device_node *ep_node = NULL;
  3853			struct of_endpoint ep;
  3854	
  3855			/* try graph base parse */
  3856			p_node = of_graph_get_remote_port_parent(np);

---
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