linux-kernel - [tip:WIP.sched/core 166/167] include/sound/control.h:107:2: error: unknown type name 'wait_queue_head

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Date:   Mon, 6 Feb 2017 19:57:40 +0800
From:   kbuild test robot <fengguang.wu@...el.com>
To:     Ingo Molnar <mingo@...nel.org>
Cc:     kbuild-all@...org, linux-kernel@...r.kernel.org, tipbuild@...or.com
Subject: [tip:WIP.sched/core 166/167] include/sound/control.h:107:2: error:
 unknown type name 'wait_queue_head_t'

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git WIP.sched/core
head:   3cb464183709fc66902b262ce921cb5a410697d1
commit: 437af2a38b67158b963a3009f5f79ff9303f45f0 [166/167] hrtimer: Remove the <linux/wait.h> include from <linux/hrtimer.h>
config: sparc64-allmodconfig (attached as .config)
compiler: sparc64-linux-gnu-gcc (Debian 6.1.1-9) 6.1.1 20160705
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
        git checkout 437af2a38b67158b963a3009f5f79ff9303f45f0
        # save the attached .config to linux build tree
        make.cross ARCH=sparc64 

All errors (new ones prefixed by >>):

   In file included from sound/usb/6fire/control.c:21:0:
>> include/sound/control.h:107:2: error: unknown type name 'wait_queue_head_t'
     wait_queue_head_t change_sleep;
     ^~~~~~~~~~~~~~~~~

vim +/wait_queue_head_t +107 include/sound/control.h

^1da177e Linus Torvalds  2005-04-16   91  
82e9bae6 Takashi Iwai    2005-11-17   92  #define snd_kctl_event(n) list_entry(n, struct snd_kctl_event, list)
^1da177e Linus Torvalds  2005-04-16   93  
25d27ede Clemens Ladisch 2009-11-02   94  struct pid;
25d27ede Clemens Ladisch 2009-11-02   95  
23c18d4b Takashi Iwai    2014-02-19   96  enum {
23c18d4b Takashi Iwai    2014-02-19   97  	SND_CTL_SUBDEV_PCM,
23c18d4b Takashi Iwai    2014-02-19   98  	SND_CTL_SUBDEV_RAWMIDI,
23c18d4b Takashi Iwai    2014-02-19   99  	SND_CTL_SUBDEV_ITEMS,
23c18d4b Takashi Iwai    2014-02-19  100  };
23c18d4b Takashi Iwai    2014-02-19  101  
82e9bae6 Takashi Iwai    2005-11-17  102  struct snd_ctl_file {
^1da177e Linus Torvalds  2005-04-16  103  	struct list_head list;		/* list of all control files */
82e9bae6 Takashi Iwai    2005-11-17  104  	struct snd_card *card;
25d27ede Clemens Ladisch 2009-11-02  105  	struct pid *pid;
23c18d4b Takashi Iwai    2014-02-19  106  	int preferred_subdevice[SND_CTL_SUBDEV_ITEMS];
^1da177e Linus Torvalds  2005-04-16 @107  	wait_queue_head_t change_sleep;
^1da177e Linus Torvalds  2005-04-16  108  	spinlock_t read_lock;
^1da177e Linus Torvalds  2005-04-16  109  	struct fasync_struct *fasync;
^1da177e Linus Torvalds  2005-04-16  110  	int subscribed;			/* read interface is activated */
^1da177e Linus Torvalds  2005-04-16  111  	struct list_head events;	/* waiting events for read */
^1da177e Linus Torvalds  2005-04-16  112  };
^1da177e Linus Torvalds  2005-04-16  113  
82e9bae6 Takashi Iwai    2005-11-17  114  #define snd_ctl_file(n) list_entry(n, struct snd_ctl_file, list)
^1da177e Linus Torvalds  2005-04-16  115  

:::::: The code at line 107 was first introduced by commit
:::::: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 Linux-2.6.12-rc2

:::::: TO: Linus Torvalds <torvalds@...970.osdl.org>
:::::: CC: Linus Torvalds <torvalds@...970.osdl.org>

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