Hi Ash, Thank you for the patch! Perhaps something to improve: [auto build test WARNING on powerpc/next] [also build test WARNING on robh/for-next linus/master v5.19-rc4 next-20220624] [cannot apply to mpe/next] [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] url: https://github.com/intel-lab-lkp/linux/commits/Ash-Logan/dt-bindings-wiiu-Document-the-Nintendo-Wii-U-devicetree/20220622-221056 base: https://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux.git next config: powerpc-randconfig-c003-20220626 compiler: clang version 15.0.0 (https://github.com/llvm/llvm-project b0d6dd3905db145853c7c744ac92d49b00b1fa20) 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/acc3ab8f224a93f1a41267aeb09dee3d2ec810fb git remote add linux-review https://github.com/intel-lab-lkp/linux git fetch --no-tags linux-review Ash-Logan/dt-bindings-wiiu-Document-the-Nintendo-Wii-U-devicetree/20220622-221056 git checkout acc3ab8f224a93f1a41267aeb09dee3d2ec810fb # 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 arch/powerpc/platforms/wiiu/ drivers/usb/misc/ If you fix the issue, kindly add following tag where applicable Reported-by: kernel test robot <lkp@xxxxxxxxx> All warnings (new ones prefixed by >>): >> arch/powerpc/platforms/wiiu/udbg_latteipc.c:65:13: warning: no previous prototype for function 'latteipc_udbg_init' [-Wmissing-prototypes] void __init latteipc_udbg_init(void) ^ arch/powerpc/platforms/wiiu/udbg_latteipc.c:65:1: note: declare 'static' if the function is not intended to be used outside of this translation unit void __init latteipc_udbg_init(void) ^ static 1 warning generated. vim +/latteipc_udbg_init +65 arch/powerpc/platforms/wiiu/udbg_latteipc.c 61 62 /* 63 * Latte IPC udbg support initialization. 64 */ > 65 void __init latteipc_udbg_init(void) 66 { 67 struct device_node *np; 68 void __iomem *ipc_io_base; 69 70 if (latteipc_io_base) 71 udbg_printf("%s: early -> final\n", __func__); 72 73 np = of_find_compatible_node(NULL, NULL, "nintendo,latte-ipc"); 74 if (!np) { 75 udbg_printf("%s: IPC node not found\n", __func__); 76 goto out; 77 } 78 79 ipc_io_base = latteipc_udbg_setup_ipc_io_base(np); 80 if (!ipc_io_base) { 81 udbg_printf("%s: failed to setup IPC io base\n", __func__); 82 goto done; 83 } 84 85 udbg_putc = latteipc_udbg_putc; 86 udbg_printf("latteipc_udbg: ready\n"); 87 88 done: 89 of_node_put(np); 90 out: 91 return; 92 } 93 -- 0-DAY CI Kernel Test Service https://01.org/lkp
