Re: [PATCH 1/3] riscv: Support for early console.

[kernel test robot <lkp@intel.com>]

Hi Jinglin,

kernel test robot noticed the following build warnings:

[auto build test WARNING on tty/tty-testing]
[also build test WARNING on tty/tty-next tty/tty-linus linus/master v6.9-rc3 next-20240410]
[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/20240410063432.23058-2-jinglin.wen%40shingroup.cn
patch subject: [PATCH 1/3] riscv: Support for early console.
config: riscv-randconfig-r112-20240411 (https://download.01.org/0day-ci/archive/20240411/202404111237.OOIpC9KS-lkp@intel.com/config)
compiler: clang version 19.0.0git (https://github.com/llvm/llvm-project 8b3b4a92adee40483c27f26c478a384cd69c6f05)
reproduce: (https://download.01.org/0day-ci/archive/20240411/202404111237.OOIpC9KS-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@intel.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202404111237.OOIpC9KS-lkp@intel.com/

sparse warnings: (new ones prefixed by >>)
>> arch/riscv/kernel/early_console.c:13:6: sparse: sparse: symbol 'riscv_early_console_putc' was not declared. Should it be static?

vim +/riscv_early_console_putc +13 arch/riscv/kernel/early_console.c

    11	
    12	/* interface for early console output characters */
  > 13	void (*riscv_early_console_putc)(char c);
    14	

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