Hi Sakari,

[auto build test ERROR on linuxtv-media/master]
[also build test ERROR on v4.10-rc8 next-20170213]
[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/Sakari-Ailus/v4l-flash-led-class-Use-fwnode_handle-instead-of-device_node-in-init/20170213-213642
base:   git://linuxtv.org/media_tree.git master
config: x86_64-randconfig-x011-201707 (attached as .config)
compiler: gcc-6 (Debian 6.2.0-3) 6.2.0 20160901
reproduce:
        # save the attached .config to linux build tree
        make ARCH=x86_64 

Note: the linux-review/Sakari-Ailus/v4l-flash-led-class-Use-fwnode_handle-instead-of-device_node-in-init/20170213-213642 HEAD 339634e21fa74ca27c8dabeb794b47aad707eaa8 builds fine.
      It only hurts bisectibility.

All errors (new ones prefixed by >>):

   drivers/media/v4l2-core/v4l2-flash-led-class.c: In function 'v4l2_flash_init':

quoted

drivers/media/v4l2-core/v4l2-flash-led-class.c:642:4: error: 'struct v4l2_subdev' has no member named 'fwnode'; did you mean 'of_node'?

     sd->fwnode = fwn ? fwn : device_fwnode_handle(led_cdev->dev);
       ^~
   drivers/media/v4l2-core/v4l2-flash-led-class.c:642:27: error: implicit declaration of function 'device_fwnode_handle' [-Werror=implicit-function-declaration]
     sd->fwnode = fwn ? fwn : device_fwnode_handle(led_cdev->dev);
                              ^~~~~~~~~~~~~~~~~~~~
   drivers/media/v4l2-core/v4l2-flash-led-class.c:642:25: warning: pointer/integer type mismatch in conditional expression
     sd->fwnode = fwn ? fwn : device_fwnode_handle(led_cdev->dev);
                            ^
   drivers/media/v4l2-core/v4l2-flash-led-class.c:658:2: error: implicit declaration of function 'fwnode_handle_get' [-Werror=implicit-function-declaration]
     fwnode_handle_get(sd->fwnode);
     ^~~~~~~~~~~~~~~~~
   drivers/media/v4l2-core/v4l2-flash-led-class.c:658:22: error: 'struct v4l2_subdev' has no member named 'fwnode'; did you mean 'of_node'?
     fwnode_handle_get(sd->fwnode);
                         ^~
   drivers/media/v4l2-core/v4l2-flash-led-class.c:667:22: error: 'struct v4l2_subdev' has no member named 'fwnode'; did you mean 'of_node'?
     fwnode_handle_put(sd->fwnode);
                         ^~
   drivers/media/v4l2-core/v4l2-flash-led-class.c: In function 'v4l2_flash_release':
   drivers/media/v4l2-core/v4l2-flash-led-class.c:687:22: error: 'struct v4l2_subdev' has no member named 'fwnode'; did you mean 'of_node'?
     fwnode_handle_put(sd->fwnode);
                         ^~
   cc1: some warnings being treated as errors

vim +642 drivers/media/v4l2-core/v4l2-flash-led-class.c

   636	
   637		sd = &v4l2_flash->sd;
   638		v4l2_flash->fled_cdev = fled_cdev;
   639		v4l2_flash->iled_cdev = iled_cdev;
   640		v4l2_flash->ops = ops;
   641		sd->dev = dev;
 > 642		sd->fwnode = fwn ? fwn : device_fwnode_handle(led_cdev->dev);
   643		v4l2_subdev_init(sd, &v4l2_flash_subdev_ops);
   644		sd->internal_ops = &v4l2_flash_subdev_internal_ops;
   645		sd->flags |= V4L2_SUBDEV_FL_HAS_DEVNODE;

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