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Date:   Mon, 20 Mar 2017 16:55:31 +0800
From:   kbuild test robot <lkp@...el.com>
To:     Hans de Goede <hdegoede@...hat.com>
Cc:     kbuild-all@...org, "Rafael J . Wysocki" <rjw@...ysocki.net>,
        Len Brown <lenb@...nel.org>, Wolfram Sang <wsa@...-dreams.de>,
        Andy Shevchenko <andriy.shevchenko@...ux.intel.com>,
        Lee Jones <lee.jones@...aro.org>,
        Sebastian Reichel <sre@...nel.org>,
        MyungJoo Ham <myungjoo.ham@...sung.com>,
        Chanwoo Choi <cw00.choi@...sung.com>,
        Hans de Goede <hdegoede@...hat.com>,
        linux-acpi@...r.kernel.org, Takashi Iwai <tiwai@...e.de>,
        linux-i2c@...r.kernel.org, linux-kernel@...r.kernel.org,
        linux-pm@...r.kernel.org
Subject: Re: [PATCH 13/15] i2c: core: Allow drivers to specify index for irq
 to get from of / ACPI

Hi Hans,

[auto build test WARNING on wsa/i2c/for-next]
[also build test WARNING on v4.11-rc3 next-20170310]
[cannot apply to battery/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/Hans-de-Goede/Add-Intel-Cherry-Trail-Whiskey-Cove-PMIC-support/20170320-144648
base:   https://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux.git i2c/for-next
reproduce: make htmldocs

All warnings (new ones prefixed by >>):

   include/linux/init.h:1: warning: no structured comments found
   kernel/sched/core.c:2085: warning: No description found for parameter 'rf'
   kernel/sched/core.c:2085: warning: Excess function parameter 'cookie' description in 'try_to_wake_up_local'
   include/linux/kthread.h:26: warning: Excess function parameter '...' description in 'kthread_create'
   kernel/sys.c:1: warning: no structured comments found
   include/linux/device.h:969: warning: No description found for parameter 'dma_ops'
   drivers/dma-buf/seqno-fence.c:1: warning: no structured comments found
>> include/linux/i2c.h:219: warning: No description found for parameter 'irq_index'
   include/linux/iio/iio.h:597: warning: No description found for parameter 'trig_readonly'
   include/linux/iio/trigger.h:151: warning: No description found for parameter 'indio_dev'
   include/linux/iio/trigger.h:151: warning: No description found for parameter 'trig'
   include/linux/device.h:970: warning: No description found for parameter 'dma_ops'
   drivers/regulator/core.c:1467: warning: Excess function parameter 'ret' description in 'regulator_dev_lookup'
   include/drm/drm_drv.h:438: warning: No description found for parameter 'open'
   include/drm/drm_drv.h:438: warning: No description found for parameter 'preclose'
   include/drm/drm_drv.h:438: warning: No description found for parameter 'postclose'
   include/drm/drm_drv.h:438: warning: No description found for parameter 'lastclose'
   include/drm/drm_drv.h:438: warning: No description found for parameter 'set_busid'
   include/drm/drm_drv.h:438: warning: No description found for parameter 'irq_handler'
   include/drm/drm_drv.h:438: warning: No description found for parameter 'irq_preinstall'
   include/drm/drm_drv.h:438: warning: No description found for parameter 'irq_postinstall'
   include/drm/drm_drv.h:438: warning: No description found for parameter 'irq_uninstall'
   include/drm/drm_drv.h:438: warning: No description found for parameter 'debugfs_init'
   include/drm/drm_drv.h:438: warning: No description found for parameter 'debugfs_cleanup'
   include/drm/drm_drv.h:438: warning: No description found for parameter 'gem_open_object'
   include/drm/drm_drv.h:438: warning: No description found for parameter 'gem_close_object'
   include/drm/drm_drv.h:438: warning: No description found for parameter 'prime_handle_to_fd'
   include/drm/drm_drv.h:438: warning: No description found for parameter 'prime_fd_to_handle'
   include/drm/drm_drv.h:438: warning: No description found for parameter 'gem_prime_export'
   include/drm/drm_drv.h:438: warning: No description found for parameter 'gem_prime_import'
   include/drm/drm_drv.h:438: warning: No description found for parameter 'gem_prime_pin'
   include/drm/drm_drv.h:438: warning: No description found for parameter 'gem_prime_unpin'
   include/drm/drm_drv.h:438: warning: No description found for parameter 'gem_prime_res_obj'
   include/drm/drm_drv.h:438: warning: No description found for parameter 'gem_prime_get_sg_table'
   include/drm/drm_drv.h:438: warning: No description found for parameter 'gem_prime_import_sg_table'
   include/drm/drm_drv.h:438: warning: No description found for parameter 'gem_prime_vmap'
   include/drm/drm_drv.h:438: warning: No description found for parameter 'gem_prime_vunmap'
   include/drm/drm_drv.h:438: warning: No description found for parameter 'gem_prime_mmap'
   include/drm/drm_drv.h:438: warning: No description found for parameter 'gem_vm_ops'
   include/drm/drm_drv.h:438: warning: No description found for parameter 'major'
   include/drm/drm_drv.h:438: warning: No description found for parameter 'minor'
   include/drm/drm_drv.h:438: warning: No description found for parameter 'patchlevel'
   include/drm/drm_drv.h:438: warning: No description found for parameter 'name'
   include/drm/drm_drv.h:438: warning: No description found for parameter 'desc'
   include/drm/drm_drv.h:438: warning: No description found for parameter 'date'
   include/drm/drm_drv.h:438: warning: No description found for parameter 'driver_features'
   include/drm/drm_drv.h:438: warning: No description found for parameter 'ioctls'
   include/drm/drm_drv.h:438: warning: No description found for parameter 'num_ioctls'
   include/drm/drm_drv.h:438: warning: No description found for parameter 'fops'
   include/drm/drm_color_mgmt.h:1: warning: no structured comments found
   drivers/gpu/drm/drm_fb_cma_helper.c:557: warning: Excess function parameter 'num_crtc' description in 'drm_fbdev_cma_init'
   drivers/gpu/drm/drm_fb_cma_helper.c:558: warning: Excess function parameter 'num_crtc' description in 'drm_fbdev_cma_init'
   drivers/gpu/drm/i915/intel_lpe_audio.c:342: warning: No description found for parameter 'pipe'
   drivers/gpu/drm/i915/intel_lpe_audio.c:342: warning: No description found for parameter 'dp_output'
   drivers/gpu/drm/i915/intel_lpe_audio.c:342: warning: No description found for parameter 'link_rate'
   drivers/gpu/drm/i915/intel_lpe_audio.c:343: warning: No description found for parameter 'pipe'
   drivers/gpu/drm/i915/intel_lpe_audio.c:343: warning: No description found for parameter 'dp_output'
   drivers/gpu/drm/i915/intel_lpe_audio.c:343: warning: No description found for parameter 'link_rate'
   drivers/media/dvb-core/dvb_frontend.h:677: warning: No description found for parameter 'refcount'
   Documentation/core-api/assoc_array.rst:13: WARNING: Enumerated list ends without a blank line; unexpected unindent.
   Documentation/doc-guide/sphinx.rst:110: ERROR: Unknown target name: "sphinx c domain".
   kernel/sched/fair.c:7616: WARNING: Inline emphasis start-string without end-string.
   kernel/time/timer.c:1200: ERROR: Unexpected indentation.
   kernel/time/timer.c:1202: ERROR: Unexpected indentation.
   kernel/time/timer.c:1203: WARNING: Block quote ends without a blank line; unexpected unindent.
   include/linux/wait.h:122: WARNING: Block quote ends without a blank line; unexpected unindent.
   include/linux/wait.h:125: ERROR: Unexpected indentation.
   include/linux/wait.h:127: WARNING: Block quote ends without a blank line; unexpected unindent.
   kernel/time/hrtimer.c:990: WARNING: Block quote ends without a blank line; unexpected unindent.
   kernel/signal.c:322: WARNING: Inline literal start-string without end-string.
   include/linux/iio/iio.h:219: ERROR: Unexpected indentation.
   include/linux/iio/iio.h:220: WARNING: Block quote ends without a blank line; unexpected unindent.
   include/linux/iio/iio.h:226: WARNING: Definition list ends without a blank line; unexpected unindent.
   drivers/iio/industrialio-core.c:639: ERROR: Unknown target name: "iio_val".
   drivers/iio/industrialio-core.c:646: ERROR: Unknown target name: "iio_val".
   drivers/message/fusion/mptbase.c:5051: WARNING: Definition list ends without a blank line; unexpected unindent.
   drivers/tty/serial/serial_core.c:1898: WARNING: Definition list ends without a blank line; unexpected unindent.
   include/linux/regulator/driver.h:271: ERROR: Unknown target name: "regulator_regmap_x_voltage".
   include/linux/spi/spi.h:369: ERROR: Unexpected indentation.
   drivers/usb/core/message.c:478: ERROR: Unexpected indentation.
   drivers/usb/core/message.c:479: WARNING: Block quote ends without a blank line; unexpected unindent.
   Documentation/driver-api/usb.rst:623: ERROR: Unknown target name: "usb_type".
   Documentation/driver-api/usb.rst:623: ERROR: Unknown target name: "usb_dir".
   Documentation/driver-api/usb.rst:623: ERROR: Unknown target name: "usb_recip".
   Documentation/driver-api/usb.rst:689: ERROR: Unknown target name: "usbdevfs_urb_type".
   sound/soc/soc-core.c:2670: ERROR: Unknown target name: "snd_soc_daifmt".
   sound/core/jack.c:312: ERROR: Unknown target name: "snd_jack_btn".
   WARNING: dvipng command 'dvipng' cannot be run (needed for math display), check the imgmath_dvipng setting

vim +/irq_index +219 include/linux/i2c.h

^1da177e Linus Torvalds 2005-04-16  203  	/* a ioctl like command that can be used to perform specific functions
^1da177e Linus Torvalds 2005-04-16  204  	 * with the device.
^1da177e Linus Torvalds 2005-04-16  205  	 */
^1da177e Linus Torvalds 2005-04-16  206  	int (*command)(struct i2c_client *client, unsigned int cmd, void *arg);
^1da177e Linus Torvalds 2005-04-16  207  
^1da177e Linus Torvalds 2005-04-16  208  	struct device_driver driver;
d2653e92 Jean Delvare   2008-04-29  209  	const struct i2c_device_id *id_table;
4735c98f Jean Delvare   2008-07-14  210  
4735c98f Jean Delvare   2008-07-14  211  	/* Device detection callback for automatic device creation */
310ec792 Jean Delvare   2009-12-14  212  	int (*detect)(struct i2c_client *, struct i2c_board_info *);
c3813d6a Jean Delvare   2009-12-14  213  	const unsigned short *address_list;
4735c98f Jean Delvare   2008-07-14  214  	struct list_head clients;
f55c71b4 Hans de Goede  2017-03-17  215  
f55c71b4 Hans de Goede  2017-03-17  216  	/* IRQ index for retreiving irq from ACPI resources */
f55c71b4 Hans de Goede  2017-03-17  217  	int irq_index;
^1da177e Linus Torvalds 2005-04-16  218  };
^1da177e Linus Torvalds 2005-04-16 @219  #define to_i2c_driver(d) container_of(d, struct i2c_driver, driver)
^1da177e Linus Torvalds 2005-04-16  220  
2096b956 David Brownell 2007-05-01  221  /**
2096b956 David Brownell 2007-05-01  222   * struct i2c_client - represent an I2C slave device
d64f73be David Brownell 2007-07-12  223   * @flags: I2C_CLIENT_TEN indicates the device uses a ten bit chip address;
d64f73be David Brownell 2007-07-12  224   *	I2C_CLIENT_PEC indicates it uses SMBus Packet Error Checking
2096b956 David Brownell 2007-05-01  225   * @addr: Address used on the I2C bus connected to the parent adapter.
2096b956 David Brownell 2007-05-01  226   * @name: Indicates the type of the device, usually a chip name that's
2096b956 David Brownell 2007-05-01  227   *	generic enough to hide second-sourcing and compatible revisions.

:::::: The code at line 219 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>

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

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