[PATCH 2/3] riscv: SBI as the interface for the early console

[kernel test robot]

Hi Jinglin,

kernel test robot noticed the following build errors:

[auto build test ERROR on tty/tty-testing]
[also build test ERROR on tty/tty-next tty/tty-linus linus/master v6.9-rc4 next-20240416]
[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/Jinglin-Wen/riscv-Support-for-early-console/20240410-143840
base:   https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty.git tty-testing
patch link:    https://lore.kernel.org/r/20240410063432.23058-3-jinglin.wen%40shingroup.cn
patch subject: [PATCH 2/3] riscv: SBI as the interface for the early console
config: riscv-randconfig-r071-20240417 (https://download.01.org/0day-ci/archive/20240417/202404171502.Yz861Nvd-lkp@intel.com/config)
compiler: riscv64-linux-gcc (GCC) 13.2.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20240417/202404171502.Yz861Nvd-lkp@intel.com/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 at intel.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202404171502.Yz861Nvd-lkp@intel.com/

All errors (new ones prefixed by >>):

   riscv64-linux-ld: arch/riscv/kernel/early_console.o: in function `early_console_init':
>> arch/riscv/kernel/early_console.c:100:(.init.text+0x18): undefined reference to `hvc_sbi_early_init'


vim +100 arch/riscv/kernel/early_console.c

f4e6608ec4adae Jinglin Wen 2024-04-10   87  
f4e6608ec4adae Jinglin Wen 2024-04-10   88  /*
f4e6608ec4adae Jinglin Wen 2024-04-10   89   * This is called after sbi_init.
f4e6608ec4adae Jinglin Wen 2024-04-10   90   */
f4e6608ec4adae Jinglin Wen 2024-04-10   91  void __init early_console_init(void)
f4e6608ec4adae Jinglin Wen 2024-04-10   92  {
f4e6608ec4adae Jinglin Wen 2024-04-10   93  	/*
f4e6608ec4adae Jinglin Wen 2024-04-10   94  	 * Set riscv_early_console_putc.
f4e6608ec4adae Jinglin Wen 2024-04-10   95  	 * If there are other output interfaces, you can add corresponding code
f4e6608ec4adae Jinglin Wen 2024-04-10   96  	 * to initialize riscv_early_console_putc.
f4e6608ec4adae Jinglin Wen 2024-04-10   97  	 */
f4e6608ec4adae Jinglin Wen 2024-04-10   98  #if defined(CONFIG_RISCV_EARLY_CONSOLE_SBI)
f4e6608ec4adae Jinglin Wen 2024-04-10   99  	/* using the sbi */
f4e6608ec4adae Jinglin Wen 2024-04-10 @100  	hvc_sbi_early_init(&riscv_early_console_putc);
f4e6608ec4adae Jinglin Wen 2024-04-10  101  #else
f4e6608ec4adae Jinglin Wen 2024-04-10  102  	/* using other */
f4e6608ec4adae Jinglin Wen 2024-04-10  103  #endif
f4e6608ec4adae Jinglin Wen 2024-04-10  104  
f4e6608ec4adae Jinglin Wen 2024-04-10  105  	console_loglevel = CONSOLE_LOGLEVEL_MOTORMOUTH;
f4e6608ec4adae Jinglin Wen 2024-04-10  106  	register_early_console();
f4e6608ec4adae Jinglin Wen 2024-04-10  107  }
f4e6608ec4adae Jinglin Wen 2024-04-10  108  

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