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Date:   Sun, 25 Dec 2016 02:35:36 +0800
From:   kbuild test robot <lkp@...el.com>
To:     Pavel Machek <pavel@....cz>
Cc:     kbuild-all@...org, Sakari Ailus <sakari.ailus@....fi>,
        ivo.g.dimitrov.75@...il.com, sre@...nel.org, pali.rohar@...il.com,
        linux-media@...r.kernel.org, galak@...eaurora.org,
        mchehab@....samsung.com, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] media: Add video bus switch

Hi Pavel,

[auto build test WARNING on v4.9-rc8]
[also build test WARNING on next-20161224]
[cannot apply to linuxtv-media/master]
[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/Pavel-Machek/media-Add-video-bus-switch/20161225-003239
reproduce: make htmldocs

All warnings (new ones prefixed by >>):

   make[3]: warning: jobserver unavailable: using -j1.  Add '+' to parent make rule.
   include/linux/init.h:1: warning: no structured comments found
   include/linux/workqueue.h:392: warning: No description found for parameter '...'
   include/linux/workqueue.h:392: warning: Excess function parameter 'args' description in 'alloc_workqueue'
   include/linux/workqueue.h:413: warning: No description found for parameter '...'
   include/linux/workqueue.h:413: warning: Excess function parameter 'args' description in 'alloc_ordered_workqueue'
   include/linux/kthread.h:26: warning: No description found for parameter '...'
   kernel/sys.c:1: warning: no structured comments found
   drivers/dma-buf/seqno-fence.c:1: warning: no structured comments found
   include/linux/fence-array.h:61: warning: No description found for parameter 'fence'
   include/sound/core.h:324: warning: No description found for parameter '...'
   include/sound/core.h:335: warning: No description found for parameter '...'
   include/sound/core.h:388: warning: No description found for parameter '...'
   include/media/media-entity.h:1054: warning: No description found for parameter '...'
>> include/media/v4l2-subdev.h:421: warning: No description found for parameter 'g_endpoint_config'
   include/net/mac80211.h:3207: ERROR: Unexpected indentation.
   include/net/mac80211.h:3210: WARNING: Block quote ends without a blank line; unexpected unindent.
   include/net/mac80211.h:3212: ERROR: Unexpected indentation.
   include/net/mac80211.h:3213: WARNING: Block quote ends without a blank line; unexpected unindent.
   include/net/mac80211.h:1772: ERROR: Unexpected indentation.
   include/net/mac80211.h:1776: WARNING: Block quote ends without a blank line; unexpected unindent.
   kernel/sched/fair.c:7259: WARNING: Inline emphasis start-string without end-string.
   kernel/time/timer.c:1240: ERROR: Unexpected indentation.
   kernel/time/timer.c:1242: ERROR: Unexpected indentation.
   kernel/time/timer.c:1243: WARNING: Block quote ends without a blank line; unexpected unindent.
   include/linux/wait.h:121: WARNING: Block quote ends without a blank line; unexpected unindent.
   include/linux/wait.h:124: ERROR: Unexpected indentation.
   include/linux/wait.h:126: WARNING: Block quote ends without a blank line; unexpected unindent.
   kernel/time/hrtimer.c:1021: WARNING: Block quote ends without a blank line; unexpected unindent.
   kernel/signal.c:317: WARNING: Inline literal start-string without end-string.
   drivers/base/firmware_class.c:1348: WARNING: Bullet list ends without a blank line; unexpected unindent.
   drivers/message/fusion/mptbase.c:5054: WARNING: Definition list ends without a blank line; unexpected unindent.
   drivers/tty/serial/serial_core.c:1893: WARNING: Definition list ends without a blank line; unexpected unindent.
   include/linux/spi/spi.h:369: ERROR: Unexpected indentation.
   WARNING: dvipng command 'dvipng' cannot be run (needed for math display), check the imgmath_dvipng setting
   Documentation/output/media.h.rst:6: WARNING: undefined label: media-ent-f-switch (if the link has no caption the label must precede a section header)

vim +/g_endpoint_config +421 include/media/v4l2-subdev.h

35c3017a Laurent Pinchart       2010-05-05  405  	int (*s_frame_interval)(struct v4l2_subdev *sd,
35c3017a Laurent Pinchart       2010-05-05  406  				struct v4l2_subdev_frame_interval *interval);
b6456c0c Muralidharan Karicheri 2009-11-19  407  	int (*s_dv_timings)(struct v4l2_subdev *sd,
b6456c0c Muralidharan Karicheri 2009-11-19  408  			struct v4l2_dv_timings *timings);
b6456c0c Muralidharan Karicheri 2009-11-19  409  	int (*g_dv_timings)(struct v4l2_subdev *sd,
b6456c0c Muralidharan Karicheri 2009-11-19  410  			struct v4l2_dv_timings *timings);
5d7758ee Hans Verkuil           2012-05-15  411  	int (*query_dv_timings)(struct v4l2_subdev *sd,
5d7758ee Hans Verkuil           2012-05-15  412  			struct v4l2_dv_timings *timings);
91c79530 Guennadi Liakhovetski  2011-07-01  413  	int (*g_mbus_config)(struct v4l2_subdev *sd,
91c79530 Guennadi Liakhovetski  2011-07-01  414  			     struct v4l2_mbus_config *cfg);
91c79530 Guennadi Liakhovetski  2011-07-01  415  	int (*s_mbus_config)(struct v4l2_subdev *sd,
91c79530 Guennadi Liakhovetski  2011-07-01  416  			     const struct v4l2_mbus_config *cfg);
a375e1df Sylwester Nawrocki     2012-09-13  417  	int (*s_rx_buffer)(struct v4l2_subdev *sd, void *buf,
a375e1df Sylwester Nawrocki     2012-09-13  418  			   unsigned int *size);
d19af828 Pavel Machek           2016-12-24  419  	int (*g_endpoint_config)(struct v4l2_subdev *sd,
d19af828 Pavel Machek           2016-12-24  420  			    struct v4l2_of_endpoint *cfg);
2a1fcdf0 Hans Verkuil           2008-11-29 @421  };
2a1fcdf0 Hans Verkuil           2008-11-29  422  
5c662984 Mauro Carvalho Chehab  2015-08-22  423  /**
5c662984 Mauro Carvalho Chehab  2015-08-22  424   * struct v4l2_subdev_vbi_ops - Callbacks used when v4l device was opened
5c662984 Mauro Carvalho Chehab  2015-08-22  425   *				  in video mode via the vbi device node.
5c662984 Mauro Carvalho Chehab  2015-08-22  426   *
5c662984 Mauro Carvalho Chehab  2015-08-22  427   *  @decode_vbi_line: video decoders that support sliced VBI need to implement
9ef0b3f3 Mauro Carvalho Chehab  2016-09-09  428   *	this ioctl. Field p of the &struct v4l2_decode_vbi_line is set to the
5c662984 Mauro Carvalho Chehab  2015-08-22  429   *	start of the VBI data that was generated by the decoder. The driver

:::::: The code at line 421 was first introduced by commit
:::::: 2a1fcdf08230522bd5024f91da24aaa6e8d81f59 V4L/DVB (9820): v4l2: add v4l2_device and v4l2_subdev structs to the v4l2 framework.

:::::: TO: Hans Verkuil <hverkuil@...all.nl>
:::::: CC: Mauro Carvalho Chehab <mchehab@...hat.com>

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

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