linux-kernel - Re: [PATCH v1 2/2] spi: add support for sophgo spi-nor controller

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Date: Tue, 30 Apr 2024 18:31:40 +0800
From: kernel test robot <lkp@...el.com>
To: Jingbao Qiu <qiujingbao.dlmu@...il.com>, broonie@...nel.org,
	robh@...nel.org, krzysztof.kozlowski+dt@...aro.org,
	conor+dt@...nel.org, unicorn_wang@...look.com,
	inochiama@...look.com, paul.walmsley@...ive.com, palmer@...belt.com,
	aou@...s.berkeley.edu
Cc: oe-kbuild-all@...ts.linux.dev, dlan@...too.org,
	linux-spi@...r.kernel.org, devicetree@...r.kernel.org,
	linux-kernel@...r.kernel.org, linux-riscv@...ts.infradead.org,
	Jingbao Qiu <qiujingbao.dlmu@...il.com>
Subject: Re: [PATCH v1 2/2] spi: add support for sophgo spi-nor controller

Hi Jingbao,

kernel test robot noticed the following build warnings:

[auto build test WARNING on 4cece764965020c22cff7665b18a012006359095]

url:    https://github.com/intel-lab-lkp/linux/commits/Jingbao-Qiu/dt-bindings-mtd-add-sophgo-spi-nor-controller/20240427-155533
base:   4cece764965020c22cff7665b18a012006359095
patch link:    https://lore.kernel.org/r/20240427075426.662671-3-qiujingbao.dlmu%40gmail.com
patch subject: [PATCH v1 2/2] spi: add support for sophgo spi-nor controller
config: powerpc-randconfig-r111-20240430 (https://download.01.org/0day-ci/archive/20240430/202404301801.fGGuCYoT-lkp@intel.com/config)
compiler: clang version 15.0.7 (https://github.com/llvm/llvm-project.git 8dfdcc7b7bf66834a761bd8de445840ef68e4d1a)
reproduce: (https://download.01.org/0day-ci/archive/20240430/202404301801.fGGuCYoT-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/202404301801.fGGuCYoT-lkp@intel.com/

sparse warnings: (new ones prefixed by >>)
>> drivers/spi/spi-sophgo-cv1800.c:259:22: sparse: sparse: incorrect type in assignment (different base types) @@     expected unsigned int [usertype] addr @@     got restricted __be32 [usertype] @@
   drivers/spi/spi-sophgo-cv1800.c:259:22: sparse:     expected unsigned int [usertype] addr
   drivers/spi/spi-sophgo-cv1800.c:259:22: sparse:     got restricted __be32 [usertype]

vim +259 drivers/spi/spi-sophgo-cv1800.c

   244	
   245	static int sophgo_nor_port_trans(struct sophgo_nor *spif,
   246					 const struct spi_mem_op *op)
   247	{
   248		const uint8_t *dout = NULL;
   249		uint8_t *din = NULL;
   250		uint32_t addr;
   251	
   252		sophgo_nor_config_port(spif, 1);
   253	
   254		if (op->cmd.nbytes)
   255			sophgo_nor_xfer(spif, (uint8_t *)&op->cmd.opcode, NULL,
   256					op->cmd.nbytes, op->cmd.buswidth);
   257	
   258		if (op->addr.nbytes) {
 > 259			addr = cpu_to_be32(op->addr.val);
   260			sophgo_nor_xfer(spif, (uint8_t *)&addr, NULL, op->addr.nbytes,
   261					op->addr.buswidth);
   262		}
   263	
   264		if (op->data.dir == SPI_MEM_DATA_IN)
   265			din = op->data.buf.in;
   266		else if (op->data.dir == SPI_MEM_DATA_OUT)
   267			dout = op->data.buf.out;
   268	
   269		sophgo_nor_xfer(spif, dout, din, op->data.nbytes, op->data.buswidth);
   270	
   271		sophgo_nor_config_port(spif, 0);
   272	
   273		return 0;
   274	}
   275	

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