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* [csky-linux:linux-5.13-riscv-dma-coherent-D1-v2-of-delay-cpu-available 3/9] arch/riscv/mm/dma-mapping.c:21:29: warning: implicit conversion from 'enum dma_data_direction' to 'enum sbi_dma_sync_data_direction'
@ 2021-08-05  2:05 kernel test robot
  0 siblings, 0 replies; only message in thread
From: kernel test robot @ 2021-08-05  2:05 UTC (permalink / raw)
  To: Guo Ren; +Cc: kbuild-all, linux-kernel

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tree:   https://github.com/c-sky/csky-linux linux-5.13-riscv-dma-coherent-D1-v2-of-delay-cpu-available
head:   d8e92b2777156e87a83f4cb71f5587ad924ad215
commit: 791a7ed07822caea9dcbb7ed0e4c28c3a4ce3674 [3/9] riscv: Add SYNC_DMA_FOR_CPU/DEVICE for DMA_COHERENT
config: riscv-allyesconfig (attached as .config)
compiler: riscv64-linux-gcc (GCC) 10.3.0
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
        # https://github.com/c-sky/csky-linux/commit/791a7ed07822caea9dcbb7ed0e4c28c3a4ce3674
        git remote add csky-linux https://github.com/c-sky/csky-linux
        git fetch --no-tags csky-linux linux-5.13-riscv-dma-coherent-D1-v2-of-delay-cpu-available
        git checkout 791a7ed07822caea9dcbb7ed0e4c28c3a4ce3674
        # save the attached .config to linux build tree
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-10.3.0 make.cross ARCH=riscv 

If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@intel.com>

All warnings (new ones prefixed by >>):

   arch/riscv/mm/dma-mapping.c: In function 'arch_sync_dma_for_device':
>> arch/riscv/mm/dma-mapping.c:21:29: warning: implicit conversion from 'enum dma_data_direction' to 'enum sbi_dma_sync_data_direction' [-Wenum-conversion]
      21 |   sbi_dma_sync(paddr, size, dir);
         |                             ^~~
   arch/riscv/mm/dma-mapping.c: In function 'arch_sync_dma_for_cpu':
   arch/riscv/mm/dma-mapping.c:36:29: warning: implicit conversion from 'enum dma_data_direction' to 'enum sbi_dma_sync_data_direction' [-Wenum-conversion]
      36 |   sbi_dma_sync(paddr, size, dir);
         |                             ^~~


vim +21 arch/riscv/mm/dma-mapping.c

    13	
    14	void arch_sync_dma_for_device(phys_addr_t paddr, size_t size,
    15			enum dma_data_direction dir)
    16	{
    17		switch (dir) {
    18		case DMA_TO_DEVICE:
    19		case DMA_FROM_DEVICE:
    20		case DMA_BIDIRECTIONAL:
  > 21			sbi_dma_sync(paddr, size, dir);
    22			break;
    23		default:
    24			BUG();
    25		}
    26	}
    27	

---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org

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2021-08-05  2:05 [csky-linux:linux-5.13-riscv-dma-coherent-D1-v2-of-delay-cpu-available 3/9] arch/riscv/mm/dma-mapping.c:21:29: warning: implicit conversion from 'enum dma_data_direction' to 'enum sbi_dma_sync_data_direction' kernel test robot

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