Re: [PATCH 1/4] ACPI: s2idle: Add a new ->enter() callback for platform_s2idle_ops

[kernel test robot]

Hi Mario,

Thank you for the patch! Perhaps something to improve:

[auto build test WARNING on rafael-pm/linux-next]
[also build test WARNING on linus/master v6.0-rc2 next-20220826]
[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/Mario-Limonciello/Add-some-extra-debugging-mechanisms-for-s0i3/20220829-062334
base:   https://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm.git linux-next
config: x86_64-defconfig (https://download.01.org/0day-ci/archive/20220829/202208290836.C3cKDij9-lkp@xxxxxxxxx/config)
compiler: gcc-11 (Debian 11.3.0-5) 11.3.0
reproduce (this is a W=1 build):
        # https://github.com/intel-lab-lkp/linux/commit/af6400b51370a2bc04906697aeec5a938e6ee446
        git remote add linux-review https://github.com/intel-lab-lkp/linux
        git fetch --no-tags linux-review Mario-Limonciello/Add-some-extra-debugging-mechanisms-for-s0i3/20220829-062334
        git checkout af6400b51370a2bc04906697aeec5a938e6ee446
        # save the config file
        mkdir build_dir && cp config build_dir/.config
        make W=1 O=build_dir ARCH=x86_64 SHELL=/bin/bash drivers/acpi/

If you fix the issue, kindly add following tag where applicable
Reported-by: kernel test robot <lkp@xxxxxxxxx>

All warnings (new ones prefixed by >>):

>> drivers/acpi/x86/s2idle.c:489:6: warning: no previous prototype for 'acpi_s2idle_enter' [-Wmissing-prototypes]
     489 | void acpi_s2idle_enter(void)
         |      ^~~~~~~~~~~~~~~~~


vim +/acpi_s2idle_enter +489 drivers/acpi/x86/s2idle.c

   488	
 > 489	void acpi_s2idle_enter(void)
   490	{
   491		struct acpi_s2idle_dev_ops *handler;
   492	
   493		if (!lps0_device_handle || sleep_no_lps0)
   494			return;
   495	
   496		list_for_each_entry(handler, &lps0_s2idle_devops_head, list_node) {
   497			if (handler->enter)
   498				handler->enter();
   499		}
   500	}
   501	

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