[chrome-os:chromeos-5.4 103/116] drivers/media/pci/intel/ipu6/../ipu-buttress.c:1117:29: warning: unused variable 'ipu_buttress_clk_sensor_ops'

[kernel test robot <lkp@intel.com>]

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tree:   https://chromium.googlesource.com/chromiumos/third_party/kernel chromeos-5.4
head:   0dc87e5b77127455d6fb746ac0f980f2b85d75b0
commit: 83d148360cd5f0b1f82fcf95471ac063acd06fcb [103/116] CHROMIUM: media: intel-ipu6: Add IPU6 and IPU6SE drivers
config: x86_64-randconfig-r016-20201126 (attached as .config)
compiler: clang version 12.0.0 (https://github.com/llvm/llvm-project 175ebad958a0ebaf6c56c20ab30b9d4347742c29)
reproduce (this is a W=1 build):
        wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
        chmod +x ~/bin/make.cross
        # install x86_64 cross compiling tool for clang build
        # apt-get install binutils-x86-64-linux-gnu
        git remote add chrome-os https://chromium.googlesource.com/chromiumos/third_party/kernel
        git fetch --no-tags chrome-os chromeos-5.4
        git checkout 83d148360cd5f0b1f82fcf95471ac063acd06fcb
        # save the attached .config to linux build tree
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross ARCH=x86_64 

If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@intel.com>

All warnings (new ones prefixed by >>):

>> drivers/media/pci/intel/ipu6/../ipu-mmu.c:458:22: warning: no previous prototype for function 'ipu_mmu_alloc' [-Wmissing-prototypes]
   struct ipu_mmu_info *ipu_mmu_alloc(struct ipu_device *isp)
                        ^
   drivers/media/pci/intel/ipu6/../ipu-mmu.c:458:1: note: declare 'static' if the function is not intended to be used outside of this translation unit
   struct ipu_mmu_info *ipu_mmu_alloc(struct ipu_device *isp)
   ^
   static 
   1 warning generated.
--
>> drivers/media/pci/intel/ipu6/../ipu-buttress.c:1117:29: warning: unused variable 'ipu_buttress_clk_sensor_ops' [-Wunused-const-variable]
   static const struct clk_ops ipu_buttress_clk_sensor_ops = {
                               ^
>> drivers/media/pci/intel/ipu6/../ipu-buttress.c:1122:29: warning: unused variable 'ipu_buttress_clk_sensor_ops_parent' [-Wunused-const-variable]
   static const struct clk_ops ipu_buttress_clk_sensor_ops_parent = {
                               ^
   2 warnings generated.
--
>> drivers/media/pci/intel/ipu6/ipu6-isys-phy.c:596:21: warning: no previous prototype for function 'ipu6_isys_phy_dump_status' [-Wmissing-prototypes]
   void __maybe_unused ipu6_isys_phy_dump_status(struct ipu_isys *isys,
                       ^
   drivers/media/pci/intel/ipu6/ipu6-isys-phy.c:596:1: note: declare 'static' if the function is not intended to be used outside of this translation unit
   void __maybe_unused ipu6_isys_phy_dump_status(struct ipu_isys *isys,
   ^
   static 
   1 warning generated.
--
>> drivers/media/pci/intel/ipu6/ipu6-psys.c:187:6: warning: no previous prototype for function 'ipu_psys_kcmd_free' [-Wmissing-prototypes]
   void ipu_psys_kcmd_free(struct ipu_psys_kcmd *kcmd)
        ^
   drivers/media/pci/intel/ipu6/ipu6-psys.c:187:1: note: declare 'static' if the function is not intended to be used outside of this translation unit
   void ipu_psys_kcmd_free(struct ipu_psys_kcmd *kcmd)
   ^
   static 
   1 warning generated.
--
>> drivers/media/pci/intel/ipu6/ipu6-fw-resources.c:434:5: warning: no previous prototype for function 'ipu6_fw_psys_set_process_cell_id' [-Wmissing-prototypes]
   int ipu6_fw_psys_set_process_cell_id(struct ipu_fw_psys_process *ptr, u8 index,
       ^
   drivers/media/pci/intel/ipu6/ipu6-fw-resources.c:434:1: note: declare 'static' if the function is not intended to be used outside of this translation unit
   int ipu6_fw_psys_set_process_cell_id(struct ipu_fw_psys_process *ptr, u8 index,
   ^
   static 
   1 warning generated.

vim +/ipu_buttress_clk_sensor_ops +1117 drivers/media/pci/intel/ipu6/../ipu-buttress.c

  1116	
> 1117	static const struct clk_ops ipu_buttress_clk_sensor_ops = {
  1118		.enable = ipu_buttress_clk_enable,
  1119		.disable = ipu_buttress_clk_disable,
  1120	};
  1121	
> 1122	static const struct clk_ops ipu_buttress_clk_sensor_ops_parent = {
  1123		.enable = ipu_buttress_clk_pll_enable,
  1124		.disable = ipu_buttress_clk_pll_disable,
  1125		.prepare = ipu_buttress_clk_pll_prepare,
  1126		.unprepare = ipu_buttress_clk_pll_unprepare,
  1127		.round_rate = ipu_buttress_clk_round_rate,
  1128		.recalc_rate = ipu_buttress_clk_recalc_rate,
  1129		.set_rate = ipu_buttress_clk_set_rate,
  1130	};
  1131	

---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all(a)lists.01.org

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