Re: [PATCH 1/1] iio:proximity:sx9360: Fix hardware gain read/write

[kernel test robot <lkp@intel.com>]

Hi Xiaohui,

Thank you for the patch! Yet something to improve:

[auto build test ERROR on jic23-iio/togreg]
[also build test ERROR on v5.19-rc1 next-20220608]
[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]

url:    https://github.com/intel-lab-lkp/linux/commits/Xiaohui-Zhang/iio-proximity-sx9360-Fix-hardware-gain-read-write/20220608-125912
base:   https://git.kernel.org/pub/scm/linux/kernel/git/jic23/iio.git togreg
config: hexagon-randconfig-r041-20220608 (https://download.01.org/0day-ci/archive/20220609/202206090719.8FcfVgxx-lkp@intel.com/config)
compiler: clang version 15.0.0 (https://github.com/llvm/llvm-project b92436efcb7813fc481b30f2593a4907568d917a)
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/intel-lab-lkp/linux/commit/bdc0a6947530604152de0d152635e144a486ee32
        git remote add linux-review https://github.com/intel-lab-lkp/linux
        git fetch --no-tags linux-review Xiaohui-Zhang/iio-proximity-sx9360-Fix-hardware-gain-read-write/20220608-125912
        git checkout bdc0a6947530604152de0d152635e144a486ee32
        # save the config file
        mkdir build_dir && cp config build_dir/.config
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=hexagon SHELL=/bin/bash drivers/iio/proximity/

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

All errors (new ones prefixed by >>):

>> drivers/iio/proximity/sx9360.c:297:21: error: use of undeclared identifier 'SX9360_REG_PROX_CTRL0_GAIN_RSVD'
           else if (regval == SX9360_REG_PROX_CTRL0_GAIN_RSVD ||
                              ^
>> drivers/iio/proximity/sx9360.c:298:13: error: use of undeclared identifier 'SX9360_REG_PROX_CTRL0_GAIN_8'
                    regval > SX9360_REG_PROX_CTRL0_GAIN_8)
                             ^
   drivers/iio/proximity/sx9360.c:646:25: error: use of undeclared identifier 'SX9360_REG_PROX_CTRL0_GAIN_8'
           if (val <= 0 || gain > SX9360_REG_PROX_CTRL0_GAIN_8)
                                  ^
>> drivers/iio/proximity/sx9360.c:699:3: error: use of undeclared identifier 'SX9360_REG_PROX_CTRL0_GAIN_1'
                   SX9360_REG_PROX_CTRL0_GAIN_1 << SX9360_REG_PROX_CTRL0_GAIN_SHIFT |
                   ^
>> drivers/iio/proximity/sx9360.c:699:35: error: use of undeclared identifier 'SX9360_REG_PROX_CTRL0_GAIN_SHIFT'
                   SX9360_REG_PROX_CTRL0_GAIN_1 << SX9360_REG_PROX_CTRL0_GAIN_SHIFT |
                                                   ^
   drivers/iio/proximity/sx9360.c:702:3: error: use of undeclared identifier 'SX9360_REG_PROX_CTRL0_GAIN_1'
                   SX9360_REG_PROX_CTRL0_GAIN_1 << SX9360_REG_PROX_CTRL0_GAIN_SHIFT |
                   ^
   drivers/iio/proximity/sx9360.c:702:35: error: use of undeclared identifier 'SX9360_REG_PROX_CTRL0_GAIN_SHIFT'
                   SX9360_REG_PROX_CTRL0_GAIN_1 << SX9360_REG_PROX_CTRL0_GAIN_SHIFT |
                                                   ^
>> drivers/iio/proximity/sx9360.c:796:22: error: invalid application of 'sizeof' to an incomplete type 'const struct sx_common_reg_default[]'
           .num_default_regs = ARRAY_SIZE(sx9360_default_regs),
                               ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
   include/linux/kernel.h:55:32: note: expanded from macro 'ARRAY_SIZE'
   #define ARRAY_SIZE(arr) (sizeof(arr) / sizeof((arr)[0]) + __must_be_array(arr))
                                  ^~~~~
   8 errors generated.


vim +/SX9360_REG_PROX_CTRL0_GAIN_RSVD +297 drivers/iio/proximity/sx9360.c

   282	
   283	static int sx9360_read_gain(struct sx_common_data *data,
   284				    const struct iio_chan_spec *chan, int *val)
   285	{
   286		unsigned int reg, regval;
   287		int ret;
   288	
   289		reg = SX9360_REG_PROX_CTRL0_PHR + chan->channel;
   290		ret = regmap_read(data->regmap, reg, &regval);
   291		if (ret)
   292			return ret;
   293	
   294		regval = FIELD_GET(SX9360_REG_PROX_CTRL0_GAIN_MASK, regval);
   295		if (regval)
   296			regval--;
 > 297		else if (regval == SX9360_REG_PROX_CTRL0_GAIN_RSVD ||
 > 298			 regval > SX9360_REG_PROX_CTRL0_GAIN_8)
   299			return -EINVAL;
   300	
   301		*val = 1 << regval;
   302	
   303		return IIO_VAL_INT;
   304	}
   305	

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