Hi Christophe, I love your patch! Yet something to improve:
[auto build test ERROR on powerpc/next] [also build test ERROR on mkp-scsi/for-next jejb-scsi/for-next linus/master v5.19-rc5 next-20220707] [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/Christophe-Leroy/video-fbdev-offb-Include-missing-linux-platform_device-h/20220707-222906 base: https://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux.git next config: powerpc-mpc8313_rdb_defconfig (https://download.01.org/0day-ci/archive/20220708/202207080653.rru2i2nn-...@intel.com/config) compiler: clang version 15.0.0 (https://github.com/llvm/llvm-project 66ae1d60bb278793fd651cece264699d522bab84) 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 # install powerpc cross compiling tool for clang build # apt-get install binutils-powerpc-linux-gnu # https://github.com/intel-lab-lkp/linux/commit/0e553b9abdcfd7c1f63b072e9d9280ce759c0c3c git remote add linux-review https://github.com/intel-lab-lkp/linux git fetch --no-tags linux-review Christophe-Leroy/video-fbdev-offb-Include-missing-linux-platform_device-h/20220707-222906 git checkout 0e553b9abdcfd7c1f63b072e9d9280ce759c0c3c # save the config file mkdir build_dir && cp config build_dir/.config COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=powerpc SHELL=/bin/bash If you fix the issue, kindly add following tag where applicable Reported-by: kernel test robot <l...@intel.com> All errors (new ones prefixed by >>): >> arch/powerpc/kernel/prom.c:891:5: error: no previous prototype for function >> 'of_get_ibm_chip_id' [-Werror,-Wmissing-prototypes] int of_get_ibm_chip_id(struct device_node *np) ^ arch/powerpc/kernel/prom.c:891:1: note: declare 'static' if the function is not intended to be used outside of this translation unit int of_get_ibm_chip_id(struct device_node *np) ^ static 1 error generated. vim +/of_get_ibm_chip_id +891 arch/powerpc/kernel/prom.c b27652dd2174df1 Kevin Hao 2013-12-24 871 9b6b563c0d2d25e Paul Mackerras 2005-10-06 872 /******* 9b6b563c0d2d25e Paul Mackerras 2005-10-06 873 * 9b6b563c0d2d25e Paul Mackerras 2005-10-06 874 * New implementation of the OF "find" APIs, return a refcounted 9b6b563c0d2d25e Paul Mackerras 2005-10-06 875 * object, call of_node_put() when done. The device tree and list 9b6b563c0d2d25e Paul Mackerras 2005-10-06 876 * are protected by a rw_lock. 9b6b563c0d2d25e Paul Mackerras 2005-10-06 877 * 9b6b563c0d2d25e Paul Mackerras 2005-10-06 878 * Note that property management will need some locking as well, 9b6b563c0d2d25e Paul Mackerras 2005-10-06 879 * this isn't dealt with yet. 9b6b563c0d2d25e Paul Mackerras 2005-10-06 880 * 9b6b563c0d2d25e Paul Mackerras 2005-10-06 881 *******/ 9b6b563c0d2d25e Paul Mackerras 2005-10-06 882 b37193b71846858 Benjamin Herrenschmidt 2013-07-15 883 /** b37193b71846858 Benjamin Herrenschmidt 2013-07-15 884 * of_get_ibm_chip_id - Returns the IBM "chip-id" of a device b37193b71846858 Benjamin Herrenschmidt 2013-07-15 885 * @np: device node of the device b37193b71846858 Benjamin Herrenschmidt 2013-07-15 886 * b37193b71846858 Benjamin Herrenschmidt 2013-07-15 887 * This looks for a property "ibm,chip-id" in the node or any b37193b71846858 Benjamin Herrenschmidt 2013-07-15 888 * of its parents and returns its content, or -1 if it cannot b37193b71846858 Benjamin Herrenschmidt 2013-07-15 889 * be found. b37193b71846858 Benjamin Herrenschmidt 2013-07-15 890 */ b37193b71846858 Benjamin Herrenschmidt 2013-07-15 @891 int of_get_ibm_chip_id(struct device_node *np) b37193b71846858 Benjamin Herrenschmidt 2013-07-15 892 { b37193b71846858 Benjamin Herrenschmidt 2013-07-15 893 of_node_get(np); b37193b71846858 Benjamin Herrenschmidt 2013-07-15 894 while (np) { 1856f50c66dff0a Christophe Jaillet 2015-10-16 895 u32 chip_id; b37193b71846858 Benjamin Herrenschmidt 2013-07-15 896 1856f50c66dff0a Christophe Jaillet 2015-10-16 897 /* 1856f50c66dff0a Christophe Jaillet 2015-10-16 898 * Skiboot may produce memory nodes that contain more than one 1856f50c66dff0a Christophe Jaillet 2015-10-16 899 * cell in chip-id, we only read the first one here. 1856f50c66dff0a Christophe Jaillet 2015-10-16 900 */ 1856f50c66dff0a Christophe Jaillet 2015-10-16 901 if (!of_property_read_u32(np, "ibm,chip-id", &chip_id)) { b37193b71846858 Benjamin Herrenschmidt 2013-07-15 902 of_node_put(np); 1856f50c66dff0a Christophe Jaillet 2015-10-16 903 return chip_id; b37193b71846858 Benjamin Herrenschmidt 2013-07-15 904 } 16c1d606263ea37 Michael Ellerman 2015-10-26 905 16c1d606263ea37 Michael Ellerman 2015-10-26 906 np = of_get_next_parent(np); b37193b71846858 Benjamin Herrenschmidt 2013-07-15 907 } b37193b71846858 Benjamin Herrenschmidt 2013-07-15 908 return -1; b37193b71846858 Benjamin Herrenschmidt 2013-07-15 909 } b130e7c04f1130f Dan Streetman 2015-05-07 910 EXPORT_SYMBOL(of_get_ibm_chip_id); b37193b71846858 Benjamin Herrenschmidt 2013-07-15 911 -- 0-DAY CI Kernel Test Service https://01.org/lkp
