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

--
0-DAY CI Kernel Test Service
https://01.org/lkp

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