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

From: kernel test robot <lkp@intel.com>
To: Jingbao Qiu <qiujingbao.dlmu@gmail.com>,
	broonie@kernel.org, robh@kernel.org,
	krzysztof.kozlowski+dt@linaro.org, conor+dt@kernel.org,
	unicorn_wang@outlook.com, inochiama@outlook.com,
	paul.walmsley@sifive.com, palmer@dabbelt.com,
	aou@eecs.berkeley.edu
Cc: oe-kbuild-all@lists.linux.dev, dlan@gentoo.org,
	linux-spi@vger.kernel.org, devicetree@vger.kernel.org,
	linux-kernel@vger.kernel.org, linux-riscv@lists.infradead.org,
	Jingbao Qiu <qiujingbao.dlmu@gmail.com>
Subject: Re: [PATCH v1 2/2] spi: add support for sophgo spi-nor controller
Date: Tue, 30 Apr 2024 18:31:40 +0800	[thread overview]
Message-ID: <202404301801.fGGuCYoT-lkp@intel.com> (raw)
In-Reply-To: <20240427075426.662671-3-qiujingbao.dlmu@gmail.com>

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@intel.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	

-- 
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