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Message-ID: <202203311839.nb45wpQK-lkp@intel.com>
Date:   Thu, 31 Mar 2022 18:05:43 +0800
From:   kernel test robot <lkp@...el.com>
To:     Vishal Verma <vishal.l.verma@...el.com>
Cc:     llvm@...ts.linux.dev, kbuild-all@...ts.01.org,
        linux-kernel@...r.kernel.org
Subject: [vishal:cxl-osc 1/3] include/linux/acpi.h:1013:55: warning:
 declaration of 'struct acpi_osc_context' will not be visible outside of this
 function

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/vishal/linux.git cxl-osc
head:   1b14cb29c313c4288f576c2480ba62a7721a2e9b
commit: c2618c3e767f53a8a62b82eaa919082378c925e5 [1/3] acpi: add a helper for retrieving _OSC Control DWORDs
config: hexagon-randconfig-r035-20220331 (https://download.01.org/0day-ci/archive/20220331/202203311839.nb45wpQK-lkp@intel.com/config)
compiler: clang version 15.0.0 (https://github.com/llvm/llvm-project 881350a92d821d4f8e4fa648443ed1d17e251188)
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
        # https://git.kernel.org/pub/scm/linux/kernel/git/vishal/linux.git/commit/?id=c2618c3e767f53a8a62b82eaa919082378c925e5
        git remote add vishal https://git.kernel.org/pub/scm/linux/kernel/git/vishal/linux.git
        git fetch --no-tags vishal cxl-osc
        git checkout c2618c3e767f53a8a62b82eaa919082378c925e5
        # save the config file to linux build tree
        mkdir build_dir
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=hexagon SHELL=/bin/bash drivers/char/tpm/st33zp24/

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

All warnings (new ones prefixed by >>):

   In file included from drivers/char/tpm/st33zp24/st33zp24.c:21:
   In file included from drivers/char/tpm/st33zp24/../tpm.h:27:
   In file included from include/linux/tpm.h:21:
>> include/linux/acpi.h:1013:55: warning: declaration of 'struct acpi_osc_context' will not be visible outside of this function [-Wvisibility]
   static inline u32 acpi_osc_ctx_get_pci_control(struct acpi_osc_context *context)
                                                         ^
   In file included from drivers/char/tpm/st33zp24/st33zp24.c:21:
   In file included from drivers/char/tpm/st33zp24/../tpm.h:28:
   include/linux/tpm_eventlog.h:167:6: warning: variable 'mapping_size' set but not used [-Wunused-but-set-variable]
           int mapping_size;
               ^
   2 warnings generated.
--
   In file included from drivers/char/tpm/st33zp24/i2c.c:8:
   In file included from include/linux/i2c.h:13:
>> include/linux/acpi.h:1013:55: warning: declaration of 'struct acpi_osc_context' will not be visible outside of this function [-Wvisibility]
   static inline u32 acpi_osc_ctx_get_pci_control(struct acpi_osc_context *context)
                                                         ^
   In file included from drivers/char/tpm/st33zp24/i2c.c:17:
   In file included from drivers/char/tpm/st33zp24/../tpm.h:28:
   include/linux/tpm_eventlog.h:167:6: warning: variable 'mapping_size' set but not used [-Wunused-but-set-variable]
           int mapping_size;
               ^
   drivers/char/tpm/st33zp24/i2c.c:285:34: warning: unused variable 'of_st33zp24_i2c_match' [-Wunused-const-variable]
   static const struct of_device_id of_st33zp24_i2c_match[] = {
                                    ^
   drivers/char/tpm/st33zp24/i2c.c:291:36: warning: unused variable 'st33zp24_i2c_acpi_match' [-Wunused-const-variable]
   static const struct acpi_device_id st33zp24_i2c_acpi_match[] = {
                                      ^
   4 warnings generated.


vim +1013 include/linux/acpi.h

  1009	
  1010	static inline void acpi_unregister_wakeup_handler(
  1011		bool (*wakeup)(void *context), void *context) { }
  1012	
> 1013	static inline u32 acpi_osc_ctx_get_pci_control(struct acpi_osc_context *context)
  1014	{
  1015		return 0;
  1016	}
  1017	

-- 
0-DAY CI Kernel Test Service
https://01.org/lkp

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