linux-kernel - Re: [PATCH v2 5/6] spi: imx: support dynamic burst length for ECSPI DMA mode

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Message-ID: <202512031425.cmBJXuXy-lkp@intel.com>
Date: Wed, 3 Dec 2025 14:59:30 +0800
From: kernel test robot <lkp@...el.com>
To: Carlos Song <carlos.song@....com>, frank.li@....com, mkl@...gutronix.de,
	broonie@...nel.org, shawnguo@...nel.org, s.hauer@...gutronix.de,
	kernel@...gutronix.de, festevam@...il.com, kees@...nel.org,
	gustavoars@...nel.org
Cc: oe-kbuild-all@...ts.linux.dev, linux-spi@...r.kernel.org,
	imx@...ts.linux.dev, linux-kernel@...r.kernel.org,
	linux-arm-kernel@...ts.infradead.org,
	linux-hardening@...r.kernel.org, Carlos Song <carlos.song@....com>
Subject: Re: [PATCH v2 5/6] spi: imx: support dynamic burst length for ECSPI
 DMA mode

Hi Carlos,

kernel test robot noticed the following build errors:

[auto build test ERROR on v6.18]
[also build test ERROR on linus/master next-20251202]
[cannot apply to shawnguo/for-next]
[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/Carlos-Song/spi-imx-group-spi_imx_dma_configure-with-spi_imx_dma_transfer/20251202-160030
base:   v6.18
patch link:    https://lore.kernel.org/r/20251202075503.2448339-6-carlos.song%40nxp.com
patch subject: [PATCH v2 5/6] spi: imx: support dynamic burst length for ECSPI DMA mode
config: csky-allmodconfig (https://download.01.org/0day-ci/archive/20251203/202512031425.cmBJXuXy-lkp@intel.com/config)
compiler: csky-linux-gcc (GCC) 15.1.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20251203/202512031425.cmBJXuXy-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/202512031425.cmBJXuXy-lkp@intel.com/

All errors (new ones prefixed by >>):

>> drivers/spi/spi-imx.c:144:34: error: 'counted_by' attribute is not allowed for a non-array field
     144 |         struct dma_data_package *dma_data __counted_by(dma_package_num);
         |                                  ^~~~~~~~


vim +/counted_by +144 drivers/spi/spi-imx.c

   107	
   108	struct spi_imx_data {
   109		struct spi_controller *controller;
   110		struct device *dev;
   111	
   112		struct completion xfer_done;
   113		void __iomem *base;
   114		unsigned long base_phys;
   115	
   116		struct clk *clk_per;
   117		struct clk *clk_ipg;
   118		unsigned long spi_clk;
   119		unsigned int spi_bus_clk;
   120	
   121		unsigned int bits_per_word;
   122		unsigned int spi_drctl;
   123	
   124		unsigned int count, remainder;
   125		void (*tx)(struct spi_imx_data *spi_imx);
   126		void (*rx)(struct spi_imx_data *spi_imx);
   127		void *rx_buf;
   128		const void *tx_buf;
   129		unsigned int txfifo; /* number of words pushed in tx FIFO */
   130		unsigned int dynamic_burst;
   131		bool rx_only;
   132	
   133		/* Target mode */
   134		bool target_mode;
   135		bool target_aborted;
   136		unsigned int target_burst;
   137	
   138		/* DMA */
   139		bool usedma;
   140		u32 wml;
   141		struct completion dma_rx_completion;
   142		struct completion dma_tx_completion;
   143		size_t dma_package_num;
 > 144		struct dma_data_package *dma_data __counted_by(dma_package_num);
   145		int rx_offset;
   146	
   147		const struct spi_imx_devtype_data *devtype_data;
   148	};
   149	

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