drivers/media/platform/s5p-tv/hdmiphy_drv.c:325:1: error: type defaults to 'int' in declaration of 'module_i2c_driver'

From: Fengguang Wu <hidden>
Date: 2014-10-28 10:52:34

tree:   git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head:   f7e87a44ef60ad379e39b45437604141453bf0ec
commit: 3cf0c6bd68915aee3b5827b960e485de201e42c1 Merge remote-tracking branch 'linus/master' into patchwork
date:   5 weeks ago
config: x86_64-randconfig-iv1-10281307 (attached as .config)
reproduce:
  git checkout 3cf0c6bd68915aee3b5827b960e485de201e42c1
  # save the attached .config to linux build tree
  make ARCH=x86_64 

All error/warnings:

   drivers/media/platform/s5p-tv/hdmiphy_drv.c: In function 'hdmiphy_s_dv_timings':
   drivers/media/platform/s5p-tv/hdmiphy_drv.c:216:2: error: implicit declaration of function 'i2c_master_send' [-Werror=implicit-function-declaration]
     ret = i2c_master_send(client, buffer, 32);
     ^
   drivers/media/platform/s5p-tv/hdmiphy_drv.c: At top level:
   drivers/media/platform/s5p-tv/hdmiphy_drv.c:325:1: warning: data definition has no type or storage class
    module_i2c_driver(hdmiphy_driver);
    ^
quoted
drivers/media/platform/s5p-tv/hdmiphy_drv.c:325:1: error: type defaults to 'int' in declaration of 'module_i2c_driver' [-Werror=implicit-int]
   drivers/media/platform/s5p-tv/hdmiphy_drv.c:325:1: warning: parameter names (without types) in function declaration
   drivers/media/platform/s5p-tv/hdmiphy_drv.c:315:26: warning: 'hdmiphy_driver' defined but not used [-Wunused-variable]
    static struct i2c_driver hdmiphy_driver = {
                             ^
   cc1: some warnings being treated as errors

vim +325 drivers/media/platform/s5p-tv/hdmiphy_drv.c

8cf2f7ad drivers/media/platform/s5p-tv/hdmiphy_drv.c Hans Verkuil        2013-03-04  210  		dev_err(dev, "format not supported\n");
8cf2f7ad drivers/media/platform/s5p-tv/hdmiphy_drv.c Hans Verkuil        2013-03-04  211  		return -EINVAL;
8cf2f7ad drivers/media/platform/s5p-tv/hdmiphy_drv.c Hans Verkuil        2013-03-04  212  	}
8cf2f7ad drivers/media/platform/s5p-tv/hdmiphy_drv.c Hans Verkuil        2013-03-04  213  
8cf2f7ad drivers/media/platform/s5p-tv/hdmiphy_drv.c Hans Verkuil        2013-03-04  214  	/* storing configuration to the device */
8cf2f7ad drivers/media/platform/s5p-tv/hdmiphy_drv.c Hans Verkuil        2013-03-04  215  	memcpy(buffer, data, 32);
8cf2f7ad drivers/media/platform/s5p-tv/hdmiphy_drv.c Hans Verkuil        2013-03-04  216  	ret = i2c_master_send(client, buffer, 32);
8cf2f7ad drivers/media/platform/s5p-tv/hdmiphy_drv.c Hans Verkuil        2013-03-04  217  	if (ret != 32) {
8cf2f7ad drivers/media/platform/s5p-tv/hdmiphy_drv.c Hans Verkuil        2013-03-04  218  		dev_err(dev, "failed to configure HDMIPHY via I2C\n");
8cf2f7ad drivers/media/platform/s5p-tv/hdmiphy_drv.c Hans Verkuil        2013-03-04  219  		return -EIO;
8cf2f7ad drivers/media/platform/s5p-tv/hdmiphy_drv.c Hans Verkuil        2013-03-04  220  	}
8cf2f7ad drivers/media/platform/s5p-tv/hdmiphy_drv.c Hans Verkuil        2013-03-04  221  
8cf2f7ad drivers/media/platform/s5p-tv/hdmiphy_drv.c Hans Verkuil        2013-03-04  222  	return 0;
8cf2f7ad drivers/media/platform/s5p-tv/hdmiphy_drv.c Hans Verkuil        2013-03-04  223  }
8cf2f7ad drivers/media/platform/s5p-tv/hdmiphy_drv.c Hans Verkuil        2013-03-04  224  
8cf2f7ad drivers/media/platform/s5p-tv/hdmiphy_drv.c Hans Verkuil        2013-03-04  225  static int hdmiphy_dv_timings_cap(struct v4l2_subdev *sd,
8cf2f7ad drivers/media/platform/s5p-tv/hdmiphy_drv.c Hans Verkuil        2013-03-04  226  	struct v4l2_dv_timings_cap *cap)
8cf2f7ad drivers/media/platform/s5p-tv/hdmiphy_drv.c Hans Verkuil        2013-03-04  227  {
1579a9d3 drivers/media/platform/s5p-tv/hdmiphy_drv.c Laurent Pinchart    2014-01-31  228  	if (cap->pad != 0)
1579a9d3 drivers/media/platform/s5p-tv/hdmiphy_drv.c Laurent Pinchart    2014-01-31  229  		return -EINVAL;
1579a9d3 drivers/media/platform/s5p-tv/hdmiphy_drv.c Laurent Pinchart    2014-01-31  230  
8cf2f7ad drivers/media/platform/s5p-tv/hdmiphy_drv.c Hans Verkuil        2013-03-04  231  	cap->type = V4L2_DV_BT_656_1120;
8cf2f7ad drivers/media/platform/s5p-tv/hdmiphy_drv.c Hans Verkuil        2013-03-04  232  	/* The phy only determines the pixelclock, leave the other values
8cf2f7ad drivers/media/platform/s5p-tv/hdmiphy_drv.c Hans Verkuil        2013-03-04  233  	 * at 0 to signify that we have no information for them. */
8cf2f7ad drivers/media/platform/s5p-tv/hdmiphy_drv.c Hans Verkuil        2013-03-04  234  	cap->bt.min_pixelclock = 27000000;
8cf2f7ad drivers/media/platform/s5p-tv/hdmiphy_drv.c Hans Verkuil        2013-03-04  235  	cap->bt.max_pixelclock = 148500000;
8cf2f7ad drivers/media/platform/s5p-tv/hdmiphy_drv.c Hans Verkuil        2013-03-04  236  	return 0;
8cf2f7ad drivers/media/platform/s5p-tv/hdmiphy_drv.c Hans Verkuil        2013-03-04  237  }
8cf2f7ad drivers/media/platform/s5p-tv/hdmiphy_drv.c Hans Verkuil        2013-03-04  238  
a52074ee drivers/media/video/s5p-tv/hdmiphy_drv.c    Tomasz Stanislawski 2011-03-02  239  static int hdmiphy_s_stream(struct v4l2_subdev *sd, int enable)
a52074ee drivers/media/video/s5p-tv/hdmiphy_drv.c    Tomasz Stanislawski 2011-03-02  240  {
a52074ee drivers/media/video/s5p-tv/hdmiphy_drv.c    Tomasz Stanislawski 2011-03-02  241  	struct i2c_client *client = v4l2_get_subdevdata(sd);
a52074ee drivers/media/video/s5p-tv/hdmiphy_drv.c    Tomasz Stanislawski 2011-03-02  242  	struct device *dev = &client->dev;
a52074ee drivers/media/video/s5p-tv/hdmiphy_drv.c    Tomasz Stanislawski 2011-03-02  243  	u8 buffer[2];
a52074ee drivers/media/video/s5p-tv/hdmiphy_drv.c    Tomasz Stanislawski 2011-03-02  244  	int ret;
a52074ee drivers/media/video/s5p-tv/hdmiphy_drv.c    Tomasz Stanislawski 2011-03-02  245  
a52074ee drivers/media/video/s5p-tv/hdmiphy_drv.c    Tomasz Stanislawski 2011-03-02  246  	dev_info(dev, "s_stream(%d)\n", enable);
a52074ee drivers/media/video/s5p-tv/hdmiphy_drv.c    Tomasz Stanislawski 2011-03-02  247  	/* going to/from configuration from/to operation mode */
a52074ee drivers/media/video/s5p-tv/hdmiphy_drv.c    Tomasz Stanislawski 2011-03-02  248  	buffer[0] = 0x1f;
a52074ee drivers/media/video/s5p-tv/hdmiphy_drv.c    Tomasz Stanislawski 2011-03-02  249  	buffer[1] = enable ? 0x80 : 0x00;
a52074ee drivers/media/video/s5p-tv/hdmiphy_drv.c    Tomasz Stanislawski 2011-03-02  250  
a52074ee drivers/media/video/s5p-tv/hdmiphy_drv.c    Tomasz Stanislawski 2011-03-02  251  	ret = i2c_master_send(client, buffer, 2);
a52074ee drivers/media/video/s5p-tv/hdmiphy_drv.c    Tomasz Stanislawski 2011-03-02  252  	if (ret != 2) {
a52074ee drivers/media/video/s5p-tv/hdmiphy_drv.c    Tomasz Stanislawski 2011-03-02  253  		dev_err(dev, "stream (%d) failed\n", enable);
a52074ee drivers/media/video/s5p-tv/hdmiphy_drv.c    Tomasz Stanislawski 2011-03-02  254  		return -EIO;
a52074ee drivers/media/video/s5p-tv/hdmiphy_drv.c    Tomasz Stanislawski 2011-03-02  255  	}
a52074ee drivers/media/video/s5p-tv/hdmiphy_drv.c    Tomasz Stanislawski 2011-03-02  256  	return 0;
a52074ee drivers/media/video/s5p-tv/hdmiphy_drv.c    Tomasz Stanislawski 2011-03-02  257  }
a52074ee drivers/media/video/s5p-tv/hdmiphy_drv.c    Tomasz Stanislawski 2011-03-02  258  
a52074ee drivers/media/video/s5p-tv/hdmiphy_drv.c    Tomasz Stanislawski 2011-03-02  259  static const struct v4l2_subdev_core_ops hdmiphy_core_ops = {
a52074ee drivers/media/video/s5p-tv/hdmiphy_drv.c    Tomasz Stanislawski 2011-03-02  260  	.s_power =  hdmiphy_s_power,
a52074ee drivers/media/video/s5p-tv/hdmiphy_drv.c    Tomasz Stanislawski 2011-03-02  261  };
a52074ee drivers/media/video/s5p-tv/hdmiphy_drv.c    Tomasz Stanislawski 2011-03-02  262  
a52074ee drivers/media/video/s5p-tv/hdmiphy_drv.c    Tomasz Stanislawski 2011-03-02  263  static const struct v4l2_subdev_video_ops hdmiphy_video_ops = {
8cf2f7ad drivers/media/platform/s5p-tv/hdmiphy_drv.c Hans Verkuil        2013-03-04  264  	.s_dv_timings = hdmiphy_s_dv_timings,
a52074ee drivers/media/video/s5p-tv/hdmiphy_drv.c    Tomasz Stanislawski 2011-03-02  265  	.s_stream =  hdmiphy_s_stream,
a52074ee drivers/media/video/s5p-tv/hdmiphy_drv.c    Tomasz Stanislawski 2011-03-02  266  };
a52074ee drivers/media/video/s5p-tv/hdmiphy_drv.c    Tomasz Stanislawski 2011-03-02  267  
1579a9d3 drivers/media/platform/s5p-tv/hdmiphy_drv.c Laurent Pinchart    2014-01-31  268  static const struct v4l2_subdev_pad_ops hdmiphy_pad_ops = {
1579a9d3 drivers/media/platform/s5p-tv/hdmiphy_drv.c Laurent Pinchart    2014-01-31  269  	.dv_timings_cap = hdmiphy_dv_timings_cap,
1579a9d3 drivers/media/platform/s5p-tv/hdmiphy_drv.c Laurent Pinchart    2014-01-31  270  };
1579a9d3 drivers/media/platform/s5p-tv/hdmiphy_drv.c Laurent Pinchart    2014-01-31  271  
a52074ee drivers/media/video/s5p-tv/hdmiphy_drv.c    Tomasz Stanislawski 2011-03-02  272  static const struct v4l2_subdev_ops hdmiphy_ops = {
a52074ee drivers/media/video/s5p-tv/hdmiphy_drv.c    Tomasz Stanislawski 2011-03-02  273  	.core = &hdmiphy_core_ops,
a52074ee drivers/media/video/s5p-tv/hdmiphy_drv.c    Tomasz Stanislawski 2011-03-02  274  	.video = &hdmiphy_video_ops,
1579a9d3 drivers/media/platform/s5p-tv/hdmiphy_drv.c Laurent Pinchart    2014-01-31  275  	.pad = &hdmiphy_pad_ops,
a52074ee drivers/media/video/s5p-tv/hdmiphy_drv.c    Tomasz Stanislawski 2011-03-02  276  };
a52074ee drivers/media/video/s5p-tv/hdmiphy_drv.c    Tomasz Stanislawski 2011-03-02  277  
4c62e976 drivers/media/platform/s5p-tv/hdmiphy_drv.c Greg Kroah-Hartman  2012-12-21  278  static int hdmiphy_probe(struct i2c_client *client,
a52074ee drivers/media/video/s5p-tv/hdmiphy_drv.c    Tomasz Stanislawski 2011-03-02  279  			 const struct i2c_device_id *id)
a52074ee drivers/media/video/s5p-tv/hdmiphy_drv.c    Tomasz Stanislawski 2011-03-02  280  {
2470ea3f drivers/media/video/s5p-tv/hdmiphy_drv.c    Tomasz Stanislawski 2012-02-03  281  	struct hdmiphy_ctx *ctx;
2470ea3f drivers/media/video/s5p-tv/hdmiphy_drv.c    Tomasz Stanislawski 2012-02-03  282  
45b56d57 drivers/media/platform/s5p-tv/hdmiphy_drv.c Sachin Kamat        2012-11-26  283  	ctx = kzalloc(sizeof(*ctx), GFP_KERNEL);
2470ea3f drivers/media/video/s5p-tv/hdmiphy_drv.c    Tomasz Stanislawski 2012-02-03  284  	if (!ctx)
2470ea3f drivers/media/video/s5p-tv/hdmiphy_drv.c    Tomasz Stanislawski 2012-02-03  285  		return -ENOMEM;
2470ea3f drivers/media/video/s5p-tv/hdmiphy_drv.c    Tomasz Stanislawski 2012-02-03  286  
2470ea3f drivers/media/video/s5p-tv/hdmiphy_drv.c    Tomasz Stanislawski 2012-02-03  287  	ctx->conf_tab = (struct hdmiphy_conf *)id->driver_data;
2470ea3f drivers/media/video/s5p-tv/hdmiphy_drv.c    Tomasz Stanislawski 2012-02-03  288  	v4l2_i2c_subdev_init(&ctx->sd, client, &hdmiphy_ops);
a52074ee drivers/media/video/s5p-tv/hdmiphy_drv.c    Tomasz Stanislawski 2011-03-02  289  
a52074ee drivers/media/video/s5p-tv/hdmiphy_drv.c    Tomasz Stanislawski 2011-03-02  290  	dev_info(&client->dev, "probe successful\n");
a52074ee drivers/media/video/s5p-tv/hdmiphy_drv.c    Tomasz Stanislawski 2011-03-02  291  	return 0;
a52074ee drivers/media/video/s5p-tv/hdmiphy_drv.c    Tomasz Stanislawski 2011-03-02  292  }
a52074ee drivers/media/video/s5p-tv/hdmiphy_drv.c    Tomasz Stanislawski 2011-03-02  293  
4c62e976 drivers/media/platform/s5p-tv/hdmiphy_drv.c Greg Kroah-Hartman  2012-12-21  294  static int hdmiphy_remove(struct i2c_client *client)
a52074ee drivers/media/video/s5p-tv/hdmiphy_drv.c    Tomasz Stanislawski 2011-03-02  295  {
2470ea3f drivers/media/video/s5p-tv/hdmiphy_drv.c    Tomasz Stanislawski 2012-02-03  296  	struct v4l2_subdev *sd = i2c_get_clientdata(client);
2470ea3f drivers/media/video/s5p-tv/hdmiphy_drv.c    Tomasz Stanislawski 2012-02-03  297  	struct hdmiphy_ctx *ctx = sd_to_ctx(sd);
2470ea3f drivers/media/video/s5p-tv/hdmiphy_drv.c    Tomasz Stanislawski 2012-02-03  298  
2470ea3f drivers/media/video/s5p-tv/hdmiphy_drv.c    Tomasz Stanislawski 2012-02-03  299  	kfree(ctx);
a52074ee drivers/media/video/s5p-tv/hdmiphy_drv.c    Tomasz Stanislawski 2011-03-02  300  	dev_info(&client->dev, "remove successful\n");
2470ea3f drivers/media/video/s5p-tv/hdmiphy_drv.c    Tomasz Stanislawski 2012-02-03  301  
a52074ee drivers/media/video/s5p-tv/hdmiphy_drv.c    Tomasz Stanislawski 2011-03-02  302  	return 0;
a52074ee drivers/media/video/s5p-tv/hdmiphy_drv.c    Tomasz Stanislawski 2011-03-02  303  }
a52074ee drivers/media/video/s5p-tv/hdmiphy_drv.c    Tomasz Stanislawski 2011-03-02  304  
a52074ee drivers/media/video/s5p-tv/hdmiphy_drv.c    Tomasz Stanislawski 2011-03-02  305  static const struct i2c_device_id hdmiphy_id[] = {
2470ea3f drivers/media/video/s5p-tv/hdmiphy_drv.c    Tomasz Stanislawski 2012-02-03  306  	{ "hdmiphy", (unsigned long)hdmiphy_conf_exynos4210 },
2470ea3f drivers/media/video/s5p-tv/hdmiphy_drv.c    Tomasz Stanislawski 2012-02-03  307  	{ "hdmiphy-s5pv210", (unsigned long)hdmiphy_conf_s5pv210 },
2470ea3f drivers/media/video/s5p-tv/hdmiphy_drv.c    Tomasz Stanislawski 2012-02-03  308  	{ "hdmiphy-exynos4210", (unsigned long)hdmiphy_conf_exynos4210 },
2470ea3f drivers/media/video/s5p-tv/hdmiphy_drv.c    Tomasz Stanislawski 2012-02-03  309  	{ "hdmiphy-exynos4212", (unsigned long)hdmiphy_conf_exynos4212 },
2470ea3f drivers/media/video/s5p-tv/hdmiphy_drv.c    Tomasz Stanislawski 2012-02-03  310  	{ "hdmiphy-exynos4412", (unsigned long)hdmiphy_conf_exynos4412 },
a52074ee drivers/media/video/s5p-tv/hdmiphy_drv.c    Tomasz Stanislawski 2011-03-02  311  	{ },
a52074ee drivers/media/video/s5p-tv/hdmiphy_drv.c    Tomasz Stanislawski 2011-03-02  312  };
a52074ee drivers/media/video/s5p-tv/hdmiphy_drv.c    Tomasz Stanislawski 2011-03-02  313  MODULE_DEVICE_TABLE(i2c, hdmiphy_id);
a52074ee drivers/media/video/s5p-tv/hdmiphy_drv.c    Tomasz Stanislawski 2011-03-02  314  
a52074ee drivers/media/video/s5p-tv/hdmiphy_drv.c    Tomasz Stanislawski 2011-03-02  315  static struct i2c_driver hdmiphy_driver = {
a52074ee drivers/media/video/s5p-tv/hdmiphy_drv.c    Tomasz Stanislawski 2011-03-02  316  	.driver = {
a52074ee drivers/media/video/s5p-tv/hdmiphy_drv.c    Tomasz Stanislawski 2011-03-02  317  		.name	= "s5p-hdmiphy",
a52074ee drivers/media/video/s5p-tv/hdmiphy_drv.c    Tomasz Stanislawski 2011-03-02  318  		.owner	= THIS_MODULE,
a52074ee drivers/media/video/s5p-tv/hdmiphy_drv.c    Tomasz Stanislawski 2011-03-02  319  	},
a52074ee drivers/media/video/s5p-tv/hdmiphy_drv.c    Tomasz Stanislawski 2011-03-02  320  	.probe		= hdmiphy_probe,
4c62e976 drivers/media/platform/s5p-tv/hdmiphy_drv.c Greg Kroah-Hartman  2012-12-21  321  	.remove		= hdmiphy_remove,
a52074ee drivers/media/video/s5p-tv/hdmiphy_drv.c    Tomasz Stanislawski 2011-03-02  322  	.id_table = hdmiphy_id,
a52074ee drivers/media/video/s5p-tv/hdmiphy_drv.c    Tomasz Stanislawski 2011-03-02  323  };
a52074ee drivers/media/video/s5p-tv/hdmiphy_drv.c    Tomasz Stanislawski 2011-03-02  324  
c6e8d86f drivers/media/video/s5p-tv/hdmiphy_drv.c    Axel Lin            2012-02-12  325  module_i2c_driver(hdmiphy_driver);



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