linux-kernel - Re: [PATCH 3/5] spi: spi-qpic: Add qpic spi nand driver support

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Message-ID: <202402181614.N6WuWtRU-lkp@intel.com>
Date: Sun, 18 Feb 2024 16:14:38 +0800
From: kernel test robot <lkp@...el.com>
To: Md Sadre Alam <quic_mdalam@...cinc.com>, andersson@...nel.org,
	konrad.dybcio@...aro.org, broonie@...nel.org, robh@...nel.org,
	krzysztof.kozlowski+dt@...aro.org, conor+dt@...nel.org,
	miquel.raynal@...tlin.com, richard@....at, vigneshr@...com,
	manivannan.sadhasivam@...aro.org, linux-arm-msm@...r.kernel.org,
	linux-spi@...r.kernel.org, devicetree@...r.kernel.org,
	linux-kernel@...r.kernel.org, linux-mtd@...ts.infradead.org
Cc: llvm@...ts.linux.dev, oe-kbuild-all@...ts.linux.dev,
	quic_srichara@...cinc.com, quic_varada@...cinc.com,
	quic_mdalam@...cinc.com
Subject: Re: [PATCH 3/5] spi: spi-qpic: Add qpic spi nand driver support

Hi Md,

kernel test robot noticed the following build errors:

[auto build test ERROR on next-20240215]
[also build test ERROR on linus/master v6.8-rc4]
[cannot apply to mtd/nand/next broonie-spi/for-next robh/for-next v6.8-rc4 v6.8-rc3 v6.8-rc2]
[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/Md-Sadre-Alam/spi-dt-bindings-add-binding-doc-for-spi-qpic-snand/20240215-215348
base:   next-20240215
patch link:    https://lore.kernel.org/r/20240215134856.1313239-4-quic_mdalam%40quicinc.com
patch subject: [PATCH 3/5] spi: spi-qpic: Add qpic spi nand driver support
config: arm-defconfig (https://download.01.org/0day-ci/archive/20240218/202402181614.N6WuWtRU-lkp@intel.com/config)
compiler: clang version 14.0.6 (https://github.com/llvm/llvm-project.git f28c006a5895fc0e329fe15fead81e37457cb1d1)
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20240218/202402181614.N6WuWtRU-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/202402181614.N6WuWtRU-lkp@intel.com/

All errors (new ones prefixed by >>):

   drivers/spi/spi-qpic-snand.c:161:7: warning: variable 'ecc_user' set but not used [-Wunused-but-set-variable]
           bool ecc_user = false;
                ^
   drivers/spi/spi-qpic-snand.c:160:35: warning: variable 'desired_correction' set but not used [-Wunused-but-set-variable]
           int step_size = 0, strength = 0, desired_correction = 0, steps;
                                            ^
   drivers/spi/spi-qpic-snand.c:399:6: warning: variable 'oob_buf' set but not used [-Wunused-but-set-variable]
           u8 *oob_buf;
               ^
   drivers/spi/spi-qpic-snand.c:452:30: warning: variable 'erased' set but not used [-Wunused-but-set-variable]
           bool serial_op_err = false, erased;
                                       ^
>> drivers/spi/spi-qpic-snand.c:682:16: error: assigning to 'u8 *' (aka 'unsigned char *') from 'const void *const' discards qualifiers [-Werror,-Wincompatible-pointer-types-discards-qualifiers]
                   snandc->wbuf = op->data.buf.out;
                                ^ ~~~~~~~~~~~~~~~~
   4 warnings and 1 error generated.


vim +682 drivers/spi/spi-qpic-snand.c

   671	
   672	static int qpic_snand_write_page_cache(struct qcom_nand_controller *snandc,
   673					       const struct spi_mem_op *op)
   674	{
   675		struct qpic_snand_op s_op = {};
   676		u32 cmd;
   677	
   678		cmd = qpic_snand_cmd_mapping(snandc, op->cmd.opcode);
   679		s_op.cmd_reg = cmd;
   680	
   681		if (op->cmd.opcode == SPINAND_PROGRAM_LOAD) {
 > 682			snandc->wbuf = op->data.buf.out;
   683			snandc->wlen = op->data.nbytes;
   684		}
   685	
   686		return 0;
   687	}
   688	

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