Messages in this thread | | | Date | Thu, 25 Nov 2021 06:52:33 +0800 | From | kernel test robot <> | Subject | drivers/firmware/efi/sysfb_efi.c:72:6: warning: no previous prototype for 'efifb_setup_from_dmi' |
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Hi Javier,
First bad commit (maybe != root cause):
tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master head: 5f53fa508db098c9d372423a6dac31c8a5679cdf commit: 71260b9a7020751623bcda2a5377834a100dfb30 drivers/firmware: fix SYSFB depends to prevent build failures date: 4 months ago config: ia64-defconfig (https://download.01.org/0day-ci/archive/20211125/202111250607.RsWYy3Lg-lkp@intel.com/config) compiler: ia64-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=71260b9a7020751623bcda2a5377834a100dfb30 git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git git fetch --no-tags linus master git checkout 71260b9a7020751623bcda2a5377834a100dfb30 # save the config file to linux build tree COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-11.2.0 make.cross ARCH=ia64
If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp@intel.com>
All warnings (new ones prefixed by >>):
>> drivers/firmware/efi/sysfb_efi.c:72:6: warning: no previous prototype for 'efifb_setup_from_dmi' [-Wmissing-prototypes] 72 | void efifb_setup_from_dmi(struct screen_info *si, const char *opt) | ^~~~~~~~~~~~~~~~~~~~
vim +/efifb_setup_from_dmi +72 drivers/firmware/efi/sysfb_efi.c
2995e506276bfd arch/x86/kernel/sysfb_efi.c David Herrmann 2013-08-02 71 21289ec02b41c4 arch/x86/kernel/sysfb_efi.c Ard Biesheuvel 2016-04-25 @72 void efifb_setup_from_dmi(struct screen_info *si, const char *opt) 21289ec02b41c4 arch/x86/kernel/sysfb_efi.c Ard Biesheuvel 2016-04-25 73 { 21289ec02b41c4 arch/x86/kernel/sysfb_efi.c Ard Biesheuvel 2016-04-25 74 int i; 21289ec02b41c4 arch/x86/kernel/sysfb_efi.c Ard Biesheuvel 2016-04-25 75 21289ec02b41c4 arch/x86/kernel/sysfb_efi.c Ard Biesheuvel 2016-04-25 76 for (i = 0; i < M_UNKNOWN; i++) { 21289ec02b41c4 arch/x86/kernel/sysfb_efi.c Ard Biesheuvel 2016-04-25 77 if (efifb_dmi_list[i].base != 0 && 21289ec02b41c4 arch/x86/kernel/sysfb_efi.c Ard Biesheuvel 2016-04-25 78 !strcmp(opt, efifb_dmi_list[i].optname)) { 21289ec02b41c4 arch/x86/kernel/sysfb_efi.c Ard Biesheuvel 2016-04-25 79 si->lfb_base = efifb_dmi_list[i].base; 21289ec02b41c4 arch/x86/kernel/sysfb_efi.c Ard Biesheuvel 2016-04-25 80 si->lfb_linelength = efifb_dmi_list[i].stride; 21289ec02b41c4 arch/x86/kernel/sysfb_efi.c Ard Biesheuvel 2016-04-25 81 si->lfb_width = efifb_dmi_list[i].width; 21289ec02b41c4 arch/x86/kernel/sysfb_efi.c Ard Biesheuvel 2016-04-25 82 si->lfb_height = efifb_dmi_list[i].height; 21289ec02b41c4 arch/x86/kernel/sysfb_efi.c Ard Biesheuvel 2016-04-25 83 } 21289ec02b41c4 arch/x86/kernel/sysfb_efi.c Ard Biesheuvel 2016-04-25 84 } 21289ec02b41c4 arch/x86/kernel/sysfb_efi.c Ard Biesheuvel 2016-04-25 85 } 21289ec02b41c4 arch/x86/kernel/sysfb_efi.c Ard Biesheuvel 2016-04-25 86
:::::: The code at line 72 was first introduced by commit :::::: 21289ec02b41c4b928a0b3de1778b325d714eea3 x86/efi/efifb: Move DMI based quirks handling out of generic code
:::::: TO: Ard Biesheuvel <ard.biesheuvel@linaro.org> :::::: CC: Ingo Molnar <mingo@kernel.org>
--- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org
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