linux-kernel - arch/mips/sibyte/sb1250/setup.c:79:5: warning: no previous prototype for 'sb1250_m3_workaround

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Date:   Sat, 13 Nov 2021 11:21:49 +0800
From:   kernel test robot <lkp@...el.com>
To:     Thomas Bogendoerfer <tsbogend@...ha.franken.de>
Cc:     kbuild-all@...ts.01.org, linux-kernel@...r.kernel.org
Subject: arch/mips/sibyte/sb1250/setup.c:79:5: warning: no previous prototype
 for 'sb1250_m3_workaround_needed'

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head:   66f4beaa6c1d28161f534471484b2daa2de1dce0
commit: ab5743079b8e3d3d4309664903f6b1f579168a56 MIPS: Get rid of BCM1250_M3_WAR
date:   1 year, 2 months ago
config: mips-randconfig-r004-20211008 (attached as .config)
compiler: mipsel-linux-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/torvalds/linux.git/commit/?id=ab5743079b8e3d3d4309664903f6b1f579168a56
        git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
        git fetch --no-tags linus master
        git checkout ab5743079b8e3d3d4309664903f6b1f579168a56
        # save the attached .config to linux build tree
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-11.2.0 make.cross ARCH=mips 

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 >>):

>> arch/mips/sibyte/sb1250/setup.c:79:5: warning: no previous prototype for 'sb1250_m3_workaround_needed' [-Wmissing-prototypes]
      79 | int sb1250_m3_workaround_needed(void)
         |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~
   arch/mips/sibyte/sb1250/setup.c:168:13: warning: no previous prototype for 'sb1250_setup' [-Wmissing-prototypes]
     168 | void __init sb1250_setup(void)
         |             ^~~~~~~~~~~~


vim +/sb1250_m3_workaround_needed +79 arch/mips/sibyte/sb1250/setup.c

^1da177e4c3f41 Linus Torvalds 2005-04-16  78  
8d9df29db273ab Ralf Baechle   2010-03-23 @79  int sb1250_m3_workaround_needed(void)
8d9df29db273ab Ralf Baechle   2010-03-23  80  {
8d9df29db273ab Ralf Baechle   2010-03-23  81  	switch (soc_type) {
8d9df29db273ab Ralf Baechle   2010-03-23  82  	case K_SYS_SOC_TYPE_BCM1250:
8d9df29db273ab Ralf Baechle   2010-03-23  83  	case K_SYS_SOC_TYPE_BCM1250_ALT:
8d9df29db273ab Ralf Baechle   2010-03-23  84  	case K_SYS_SOC_TYPE_BCM1250_ALT2:
8d9df29db273ab Ralf Baechle   2010-03-23  85  	case K_SYS_SOC_TYPE_BCM1125:
8d9df29db273ab Ralf Baechle   2010-03-23  86  	case K_SYS_SOC_TYPE_BCM1125H:
8d9df29db273ab Ralf Baechle   2010-03-23  87  		return soc_pass < K_SYS_REVISION_BCM1250_C0;
8d9df29db273ab Ralf Baechle   2010-03-23  88  
8d9df29db273ab Ralf Baechle   2010-03-23  89  	default:
8d9df29db273ab Ralf Baechle   2010-03-23  90  		return 0;
8d9df29db273ab Ralf Baechle   2010-03-23  91  	}
8d9df29db273ab Ralf Baechle   2010-03-23  92  }
8d9df29db273ab Ralf Baechle   2010-03-23  93  

:::::: The code at line 79 was first introduced by commit
:::::: 8d9df29db273ab9a330828f4f4f6669d293a730a MIPS: Sibyte: Apply M3 workaround only on affected chip types and versions.

:::::: TO: Ralf Baechle <ralf@...ux-mips.org>
:::::: CC: Ralf Baechle <ralf@...ux-mips.org>

---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org

Download attachment ".config.gz" of type "application/gzip" (33697 bytes)