arch/mips/loongson2ef/lemote-2f/machtype.c:10:13: warning: no previous prototype for 'mach_prom_init_machtype'

[kernel test robot]

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head:   f78d76e72a4671ea52d12752d92077788b4f5d50
commit: b13812ddea615b6507beef24f76540c0c1143c5c MIPS: Loongson2ef: Disable Loongson MMI instructions
date:   6 months ago
config: mips-randconfig-r004-20210312 (attached as .config)
compiler: mips64el-linux-gcc (GCC) 9.3.0
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=b13812ddea615b6507beef24f76540c0c1143c5c
        git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
        git fetch --no-tags linus master
        git checkout b13812ddea615b6507beef24f76540c0c1143c5c
        # save the attached .config to linux build tree
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross ARCH=mips 

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

All warnings (new ones prefixed by >>):

>> arch/mips/loongson2ef/lemote-2f/machtype.c:10:13: warning: no previous prototype for 'mach_prom_init_machtype' [-Wmissing-prototypes]
      10 | void __init mach_prom_init_machtype(void)
         |             ^~~~~~~~~~~~~~~~~~~~~~~
--
>> arch/mips/loongson2ef/lemote-2f/pm.c:52:6: warning: no previous prototype for 'setup_wakeup_events' [-Wmissing-prototypes]
      52 | void setup_wakeup_events(void)
         |      ^~~~~~~~~~~~~~~~~~~
>> arch/mips/loongson2ef/lemote-2f/pm.c:90:5: warning: no previous prototype for 'wakeup_loongson' [-Wmissing-prototypes]
      90 | int wakeup_loongson(void)
         |     ^~~~~~~~~~~~~~~
>> arch/mips/loongson2ef/lemote-2f/pm.c:137:13: warning: no previous prototype for 'mach_suspend' [-Wmissing-prototypes]
     137 | void __weak mach_suspend(void)
         |             ^~~~~~~~~~~~
>> arch/mips/loongson2ef/lemote-2f/pm.c:142:13: warning: no previous prototype for 'mach_resume' [-Wmissing-prototypes]
     142 | void __weak mach_resume(void)
         |             ^~~~~~~~~~~
--
>> arch/mips/loongson2ef/common/cs5536/cs5536_ide.c:15:6: warning: no previous prototype for 'pci_ide_write_reg' [-Wmissing-prototypes]
      15 | void pci_ide_write_reg(int reg, u32 value)
         |      ^~~~~~~~~~~~~~~~~
>> arch/mips/loongson2ef/common/cs5536/cs5536_ide.c:96:5: warning: no previous prototype for 'pci_ide_read_reg' [-Wmissing-prototypes]
      96 | u32 pci_ide_read_reg(int reg)
         |     ^~~~~~~~~~~~~~~~
--
>> arch/mips/loongson2ef/common/cs5536/cs5536_acc.c:15:6: warning: no previous prototype for 'pci_acc_write_reg' [-Wmissing-prototypes]
      15 | void pci_acc_write_reg(int reg, u32 value)
         |      ^~~~~~~~~~~~~~~~~
>> arch/mips/loongson2ef/common/cs5536/cs5536_acc.c:62:5: warning: no previous prototype for 'pci_acc_read_reg' [-Wmissing-prototypes]
      62 | u32 pci_acc_read_reg(int reg)
         |     ^~~~~~~~~~~~~~~~
--
>> arch/mips/loongson2ef/common/cs5536/cs5536_ohci.c:15:6: warning: no previous prototype for 'pci_ohci_write_reg' [-Wmissing-prototypes]
      15 | void pci_ohci_write_reg(int reg, u32 value)
         |      ^~~~~~~~~~~~~~~~~~
>> arch/mips/loongson2ef/common/cs5536/cs5536_ohci.c:70:5: warning: no previous prototype for 'pci_ohci_read_reg' [-Wmissing-prototypes]
      70 | u32 pci_ohci_read_reg(int reg)
         |     ^~~~~~~~~~~~~~~~~
--
>> arch/mips/loongson2ef/common/cs5536/cs5536_isa.c:84:6: warning: no previous prototype for 'pci_isa_write_bar' [-Wmissing-prototypes]
      84 | void pci_isa_write_bar(int n, u32 value)
         |      ^~~~~~~~~~~~~~~~~
>> arch/mips/loongson2ef/common/cs5536/cs5536_isa.c:110:5: warning: no previous prototype for 'pci_isa_read_bar' [-Wmissing-prototypes]
     110 | u32 pci_isa_read_bar(int n)
         |     ^~~~~~~~~~~~~~~~
>> arch/mips/loongson2ef/common/cs5536/cs5536_isa.c:134:6: warning: no previous prototype for 'pci_isa_write_reg' [-Wmissing-prototypes]
     134 | void pci_isa_write_reg(int reg, u32 value)
         |      ^~~~~~~~~~~~~~~~~
>> arch/mips/loongson2ef/common/cs5536/cs5536_isa.c:228:5: warning: no previous prototype for 'pci_isa_read_reg' [-Wmissing-prototypes]
     228 | u32 pci_isa_read_reg(int reg)
         |     ^~~~~~~~~~~~~~~~
--
>> arch/mips/loongson2ef/common/cs5536/cs5536_ehci.c:15:6: warning: no previous prototype for 'pci_ehci_write_reg' [-Wmissing-prototypes]
      15 | void pci_ehci_write_reg(int reg, u32 value)
         |      ^~~~~~~~~~~~~~~~~~
>> arch/mips/loongson2ef/common/cs5536/cs5536_ehci.c:75:5: warning: no previous prototype for 'pci_ehci_read_reg' [-Wmissing-prototypes]
      75 | u32 pci_ehci_read_reg(int reg)
         |     ^~~~~~~~~~~~~~~~~


vim +/mach_prom_init_machtype +10 arch/mips/loongson2ef/lemote-2f/machtype.c

1b39a0bad50779 arch/mips/loongson/lemote-2f/machtype.c Wu Zhangjin 2010-01-04   9  
1b39a0bad50779 arch/mips/loongson/lemote-2f/machtype.c Wu Zhangjin 2010-01-04 @10  void __init mach_prom_init_machtype(void)

:::::: The code at line 10 was first introduced by commit
:::::: 1b39a0bad50779177ebca818c6c3380463bfca7d MIPS: Loongson: Lemote-2F: Get the machine type from PMON_VER

:::::: TO: Wu Zhangjin <wuzhangjin@xxxxxxxxx>
:::::: CC: Ralf Baechle <ralf@xxxxxxxxxxxxxx>

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

Attachment: .config.gz
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