linux-kernel - arch/arc/plat-hsdk/platform.c:16:5: sparse: sparse: symbol 'arc_hsdk_axi_dmac_coherent' was not declared. Should it be static?

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Date: Sun, 17 Dec 2023 21:47:21 +0800
From: kernel test robot <lkp@...el.com>
To: Eugeniy Paltsev <Eugeniy.Paltsev@...opsys.com>
Cc: oe-kbuild-all@...ts.linux.dev, linux-kernel@...r.kernel.org,
	linux-snps-arc@...ts.infradead.org,
	Vineet Gupta <vgupta@...opsys.com>
Subject: arch/arc/plat-hsdk/platform.c:16:5: sparse: sparse: symbol
 'arc_hsdk_axi_dmac_coherent' was not declared. Should it be static?

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head:   3b8a9b2e6809d281890dd0a1102dc14d2cd11caf
commit: ce0eff0d9b4d37702df48a39e3fddb5e39b2c25b ARC: [plat-hsdk]: allow to switch between AXI DMAC port configurations
date:   4 years, 4 months ago
config: arc-randconfig-r111-20231107 (https://download.01.org/0day-ci/archive/20231217/202312172140.FvgljCBk-lkp@intel.com/config)
compiler: arceb-elf-gcc (GCC) 13.2.0
reproduce: (https://download.01.org/0day-ci/archive/20231217/202312172140.FvgljCBk-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@...el.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202312172140.FvgljCBk-lkp@intel.com/

sparse warnings: (new ones prefixed by >>)
>> arch/arc/plat-hsdk/platform.c:16:5: sparse: sparse: symbol 'arc_hsdk_axi_dmac_coherent' was not declared. Should it be static?
   arch/arc/plat-hsdk/platform.c:27:17: sparse: sparse: undefined identifier '__builtin_arc_sr'
   arch/arc/plat-hsdk/platform.c:34:17: sparse: sparse: undefined identifier '__builtin_arc_sr'

vim +/arc_hsdk_axi_dmac_coherent +16 arch/arc/plat-hsdk/platform.c

    15	
  > 16	int arc_hsdk_axi_dmac_coherent __section(.data) = 0;
    17	

-- 
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki