linux-kernel - arch/arm/mach-imx/pm-imx25.c:31:13: warning: no previous prototype for 'imx25_pm

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Date:   Fri, 23 Jun 2023 01:54:25 +0800
From:   kernel test robot <lkp@...el.com>
To:     Arnd Bergmann <arnd@...db.de>
Cc:     oe-kbuild-all@...ts.linux.dev, linux-kernel@...r.kernel.org
Subject: arch/arm/mach-imx/pm-imx25.c:31:13: warning: no previous prototype
 for 'imx25_pm_init'

Hi Arnd,

First bad commit (maybe != root cause):

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head:   dad9774deaf1cf8e8f7483310dfb2690310193d2
commit: 250c1a694ff304e5d69e74ab32755eddcc2b8f65 ARM: pxa: convert to multiplatform
date:   1 year, 2 months ago
config: arm-randconfig-r034-20230622 (https://download.01.org/0day-ci/archive/20230623/202306230159.SlgPEfcA-lkp@intel.com/config)
compiler: arm-linux-gnueabi-gcc (GCC) 12.3.0
reproduce: (https://download.01.org/0day-ci/archive/20230623/202306230159.SlgPEfcA-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@...el.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202306230159.SlgPEfcA-lkp@intel.com/

All warnings (new ones prefixed by >>):

>> arch/arm/mach-imx/pm-imx25.c:31:13: warning: no previous prototype for 'imx25_pm_init' [-Wmissing-prototypes]
      31 | void __init imx25_pm_init(void)
         |             ^~~~~~~~~~~~~
--
>> arch/arm/mach-imx/cpu-imx25.c:40:5: warning: no previous prototype for 'mx25_revision' [-Wmissing-prototypes]
      40 | int mx25_revision(void)
         |     ^~~~~~~~~~~~~
--
>> arch/arm/mm/copypage-feroceon.c:65:6: warning: no previous prototype for 'feroceon_copy_user_highpage' [-Wmissing-prototypes]
      65 | void feroceon_copy_user_highpage(struct page *to, struct page *from,
         |      ^~~~~~~~~~~~~~~~~~~~~~~~~~~
>> arch/arm/mm/copypage-feroceon.c:78:6: warning: no previous prototype for 'feroceon_clear_user_highpage' [-Wmissing-prototypes]
      78 | void feroceon_clear_user_highpage(struct page *page, unsigned long vaddr)
         |      ^~~~~~~~~~~~~~~~~~~~~~~~~~~~


vim +/imx25_pm_init +31 arch/arm/mach-imx/pm-imx25.c

8c4300c227ffff Fabio Estevam 2016-02-02  30  
8c4300c227ffff Fabio Estevam 2016-02-02 @31  void __init imx25_pm_init(void)

:::::: The code at line 31 was first introduced by commit
:::::: 8c4300c227ffffc4db26b6bb3e0271de7ddbd289 ARM: mx25: Add basic suspend/resume support

:::::: TO: Fabio Estevam <fabio.estevam@....com>
:::::: CC: Shawn Guo <shawnguo@...nel.org>

-- 
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki