Re: [PATCH v3 3/8] firmware/sysfb: Set firmware-framebuffer parent device

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Hi Thomas,

kernel test robot noticed the following build warnings:

[auto build test WARNING on drm-misc/drm-misc-next]
[also build test WARNING on drm-tip/drm-tip linus/master v6.8-rc3 next-20240208]
[If your patch is applied to the wrong git tree, kindly drop us a note.
And when submitting patch, we suggest to use '--base' as documented in
https://git-scm.com/docs/git-format-patch#_base_tree_information]

url:    https://github.com/intel-lab-lkp/linux/commits/Thomas-Zimmermann/video-Add-helpers-for-decoding-screen_info/20240207-215100
base:   git://anongit.freedesktop.org/drm/drm-misc drm-misc-next
patch link:    https://lore.kernel.org/r/20240207134932.7321-4-tzimmermann%40suse.de
patch subject: [PATCH v3 3/8] firmware/sysfb: Set firmware-framebuffer parent device
config: i386-randconfig-141-20240208 (https://download.01.org/0day-ci/archive/20240208/202402081952.wLKLCXmW-lkp@xxxxxxxxx/config)
compiler: gcc-12 (Debian 12.2.0-14) 12.2.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20240208/202402081952.wLKLCXmW-lkp@xxxxxxxxx/reproduce)

If you fix the issue in a separate patch/commit (i.e. not just a new version of
the same patch/commit), kindly add following tags
| Reported-by: kernel test robot <lkp@xxxxxxxxx>
| Closes: https://lore.kernel.org/oe-kbuild-all/202402081952.wLKLCXmW-lkp@xxxxxxxxx/

All warnings (new ones prefixed by >>):

   In file included from drivers/firmware/sysfb.c:36:
   include/linux/sysfb.h:108:1: error: expected identifier or '(' before '{' token
     108 | {
         | ^
>> include/linux/sysfb.h:105:39: warning: 'sysfb_create_simplefb' used but never defined
     105 | static inline struct platform_device *sysfb_create_simplefb(const struct screen_info *si,
         |                                       ^~~~~~~~~~~~~~~~~~~~~
--
   In file included from drivers/video/aperture.c:10:
   include/linux/sysfb.h:108:1: error: expected identifier or '(' before '{' token
     108 | {
         | ^
>> include/linux/sysfb.h:105:39: warning: 'sysfb_create_simplefb' declared 'static' but never defined [-Wunused-function]
     105 | static inline struct platform_device *sysfb_create_simplefb(const struct screen_info *si,
         |                                       ^~~~~~~~~~~~~~~~~~~~~
--
   In file included from drivers/firmware/efi/sysfb_efi.c:26:
   include/linux/sysfb.h:108:1: error: expected identifier or '(' before '{' token
     108 | {
         | ^
>> include/linux/sysfb.h:105:39: warning: 'sysfb_create_simplefb' declared 'static' but never defined [-Wunused-function]
     105 | static inline struct platform_device *sysfb_create_simplefb(const struct screen_info *si,
         |                                       ^~~~~~~~~~~~~~~~~~~~~
   drivers/firmware/efi/sysfb_efi.c:345:39: warning: 'efifb_fwnode_ops' defined but not used [-Wunused-const-variable=]
     345 | static const struct fwnode_operations efifb_fwnode_ops = {
         |                                       ^~~~~~~~~~~~~~~~
   drivers/firmware/efi/sysfb_efi.c:238:35: warning: 'efifb_dmi_swap_width_height' defined but not used [-Wunused-const-variable=]
     238 | static const struct dmi_system_id efifb_dmi_swap_width_height[] __initconst = {
         |                                   ^~~~~~~~~~~~~~~~~~~~~~~~~~~
   drivers/firmware/efi/sysfb_efi.c:188:35: warning: 'efifb_dmi_system_table' defined but not used [-Wunused-const-variable=]
     188 | static const struct dmi_system_id efifb_dmi_system_table[] __initconst = {
         |                                   ^~~~~~~~~~~~~~~~~~~~~~


vim +/sysfb_create_simplefb +105 include/linux/sysfb.h

e3263ab389a7bc arch/x86/include/asm/sysfb.h David Rheinsberg         2013-08-02  104  
9e121040e54abe include/linux/sysfb.h        Javier Martinez Canillas 2022-06-07 @105  static inline struct platform_device *sysfb_create_simplefb(const struct screen_info *si,
c0a4e7e120d3e9 include/linux/sysfb.h        Thomas Zimmermann        2024-02-07  106  							    const struct simplefb_platform_data *mode,
c0a4e7e120d3e9 include/linux/sysfb.h        Thomas Zimmermann        2024-02-07  107  							    struct device *parent);
e3263ab389a7bc arch/x86/include/asm/sysfb.h David Rheinsberg         2013-08-02 @108  {
9e121040e54abe include/linux/sysfb.h        Javier Martinez Canillas 2022-06-07  109  	return ERR_PTR(-EINVAL);
e3263ab389a7bc arch/x86/include/asm/sysfb.h David Rheinsberg         2013-08-02  110  }
e3263ab389a7bc arch/x86/include/asm/sysfb.h David Rheinsberg         2013-08-02  111  

-- 
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki



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