Hi Toshiyuki, kernel test robot noticed the following build errors: [auto build test ERROR on tty/tty-linus] [also build test ERROR on usb/usb-testing usb/usb-next usb/usb-linus linus/master v6.13-rc6] [cannot apply to tty/tty-testing tty/tty-next next-20250109] [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/Toshiyuki-Sato/serial-amba-pl011-Implement-nbcon-console/20250108-085122 base: https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty.git tty-linus patch link: https://lore.kernel.org/r/20250108004730.2302996-1-fj6611ie%40aa.jp.fujitsu.com patch subject: [PATCH] serial: amba-pl011: Implement nbcon console config: arm64-randconfig-003-20250109 (https://download.01.org/0day-ci/archive/20250109/202501092346.Q71aj5kq-lkp@xxxxxxxxx/config) compiler: aarch64-linux-gcc (GCC) 14.2.0 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20250109/202501092346.Q71aj5kq-lkp@xxxxxxxxx/reproduce) If you fix the issue in a separate patch/commit (i.e. not just a new version of the same patch/commit), kindly add following tags | Reported-by: kernel test robot <lkp@xxxxxxxxx> | Closes: https://lore.kernel.org/oe-kbuild-all/202501092346.Q71aj5kq-lkp@xxxxxxxxx/ All errors (new ones prefixed by >>): drivers/tty/serial/amba-pl011.c: In function 'pl011_register_port': >> drivers/tty/serial/amba-pl011.c:2851:25: error: implicit declaration of function 'pl011_console_switch_to_nbcon' [-Wimplicit-function-declaration] 2851 | pl011_console_switch_to_nbcon(amba_reg.cons); | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~ vim +/pl011_console_switch_to_nbcon +2851 drivers/tty/serial/amba-pl011.c 2839 2840 static int pl011_register_port(struct uart_amba_port *uap) 2841 { 2842 int ret, i; 2843 2844 /* Ensure interrupts from this UART are masked and cleared */ 2845 pl011_write(0, uap, REG_IMSC); 2846 pl011_write(0xffff, uap, REG_ICR); 2847 2848 if (!amba_reg.state) { 2849 /* Replaces the console descriptor if NBCON is selected. */ 2850 if (amba_reg.cons && use_nbcon) > 2851 pl011_console_switch_to_nbcon(amba_reg.cons); 2852 2853 ret = uart_register_driver(&amba_reg); 2854 if (ret < 0) { 2855 dev_err(uap->port.dev, 2856 "Failed to register AMBA-PL011 driver\n"); 2857 for (i = 0; i < ARRAY_SIZE(amba_ports); i++) 2858 if (amba_ports[i] == uap) 2859 amba_ports[i] = NULL; 2860 return ret; 2861 } 2862 } 2863 2864 ret = uart_add_one_port(&amba_reg, &uap->port); 2865 if (ret) 2866 pl011_unregister_port(uap); 2867 2868 return ret; 2869 } 2870 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki
