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Subject[vishal:cxl-osc 1/3] include/linux/acpi.h:1013:55: warning: 'struct acpi_osc_context' declared inside parameter list will not be visible outside of this definition or declaration
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: arc-randconfig-r031-20220331 (https://download.01.org/0day-ci/archive/20220331/202203311740.yZ2pqEBy-lkp@intel.com/config)
compiler: arceb-elf-gcc (GCC) 11.2.0
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=gcc-11.2.0 make.cross O=build_dir ARCH=arc SHELL=/bin/bash drivers/iio/light/

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 >>):

In file included from include/linux/i2c.h:13,
from drivers/iio/light/adjd_s311.c:15:
>> include/linux/acpi.h:1013:55: warning: 'struct acpi_osc_context' declared inside parameter list will not be visible outside of this definition or declaration
1013 | static inline u32 acpi_osc_ctx_get_pci_control(struct acpi_osc_context *context)
| ^~~~~~~~~~~~~~~~
--
In file included from include/linux/i2c.h:13,
from drivers/iio/light/max44009.c:18:
>> include/linux/acpi.h:1013:55: warning: 'struct acpi_osc_context' declared inside parameter list will not be visible outside of this definition or declaration
1013 | static inline u32 acpi_osc_ctx_get_pci_control(struct acpi_osc_context *context)
| ^~~~~~~~~~~~~~~~
drivers/iio/light/max44009.c:546:34: warning: 'max44009_of_match' defined but not used [-Wunused-const-variable=]
546 | static const struct of_device_id max44009_of_match[] = {
| ^~~~~~~~~~~~~~~~~
--
In file included from drivers/iio/light/pa12203001.c:12:
>> include/linux/acpi.h:1013:55: warning: 'struct acpi_osc_context' declared inside parameter list will not be visible outside of this definition or declaration
1013 | static inline u32 acpi_osc_ctx_get_pci_control(struct acpi_osc_context *context)
| ^~~~~~~~~~~~~~~~
drivers/iio/light/pa12203001.c:454:36: warning: 'pa12203001_acpi_match' defined but not used [-Wunused-const-variable=]
454 | static const struct acpi_device_id pa12203001_acpi_match[] = {
| ^~~~~~~~~~~~~~~~~~~~~
--
In file included from drivers/iio/light/stk3310.c:10:
>> include/linux/acpi.h:1013:55: warning: 'struct acpi_osc_context' declared inside parameter list will not be visible outside of this definition or declaration
1013 | static inline u32 acpi_osc_ctx_get_pci_control(struct acpi_osc_context *context)
| ^~~~~~~~~~~~~~~~
drivers/iio/light/stk3310.c:674:36: warning: 'stk3310_acpi_id' defined but not used [-Wunused-const-variable=]
674 | static const struct acpi_device_id stk3310_acpi_id[] = {
| ^~~~~~~~~~~~~~~
--
In file included from drivers/iio/light/us5182d.c:12:
>> include/linux/acpi.h:1013:55: warning: 'struct acpi_osc_context' declared inside parameter list will not be visible outside of this definition or declaration
1013 | static inline u32 acpi_osc_ctx_get_pci_control(struct acpi_osc_context *context)
| ^~~~~~~~~~~~~~~~
drivers/iio/light/us5182d.c:949:36: warning: 'us5182d_acpi_match' defined but not used [-Wunused-const-variable=]
949 | static const struct acpi_device_id us5182d_acpi_match[] = {
| ^~~~~~~~~~~~~~~~~~


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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