Re: [PATCH] ACPI: s2idle: Handle shared _Ixx GPEs without an EC

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

Hi Saranya,

kernel test robot noticed the following build warnings:

[auto build test WARNING on rafael-pm/linux-next]
[also build test WARNING on rafael-pm/bleeding-edge amd-pstate/linux-next amd-pstate/bleeding-edge linus/master next-20261030]
[cannot apply to v7.3]
[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/Saranya-Gopal/ACPI-s2idle-Handle-shared-_Ixx-GPEs-without-an-EC/20261030-083515
base:   https://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm.git linux-next
patch link:    https://lore.kernel.org/r/20261030030515.3127310-1-saranya.gopal%40intel.com
patch subject: [PATCH] ACPI: s2idle: Handle shared _Ixx GPEs without an EC
config: x86_64-buildonly-randconfig-1000-20261031 (https://download.01.org/0day-ci/archive/20261031/202610311242.kB7pRXhy-lkp@intel.com/config)
compiler: gcc-14 (Debian 14.2.0-19) 14.2.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20261031/202610311242.kB7pRXhy-lkp@intel.com/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@intel.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202610311242.kB7pRXhy-lkp@intel.com/

All warnings (new ones prefixed by >>):

   In file included from drivers/acpi/sleep.c:26:
   drivers/acpi/internal.h: In function 'acpi_ec_dispatch_gpe':
   drivers/acpi/internal.h:262:17: error: 'ENOTSUP' undeclared (first use in this function); did you mean 'ENOTSUPP'?
     262 |         return -ENOTSUP;
         |                 ^~~~~~~
         |                 ENOTSUPP
   drivers/acpi/internal.h:262:17: note: each undeclared identifier is reported only once for each function it appears in
>> drivers/acpi/internal.h:263:1: warning: control reaches end of non-void function [-Wreturn-type]
     263 | }
         | ^

Kconfig warnings: (for reference only)
   WARNING: unmet direct dependencies detected for PM_GENERIC_DOMAINS_OF
   Depends on [n]: PM_GENERIC_DOMAINS [=y] && OF [=n]
   Selected by [y]:
   - COMMON_CLK_MT8173_MFGTOP [=y] && COMMON_CLK [=y] && (ARCH_MEDIATEK || COMPILE_TEST [=y]) && COMMON_CLK_MT8173 [=y] && PM [=y]


vim +263 drivers/acpi/internal.h

a6021aa24f64174 Arnd Bergmann 2024-10-11  258  
a6021aa24f64174 Arnd Bergmann 2024-10-11  259  static inline void acpi_ec_flush_work(void) {}
c644e4b14c9cb08 Saranya Gopal 2026-10-30  260  static inline int acpi_ec_dispatch_gpe(void)
a6021aa24f64174 Arnd Bergmann 2024-10-11  261  {
c644e4b14c9cb08 Saranya Gopal 2026-10-30  262  	return -ENOTSUP;
a6021aa24f64174 Arnd Bergmann 2024-10-11 @263  }
a6021aa24f64174 Arnd Bergmann 2024-10-11  264  

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