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Message-ID: <202212150037.pXbbznkF-lkp@intel.com>
Date: Thu, 15 Dec 2022 01:02:52 +0800
From: kernel test robot <lkp@...el.com>
To: Andy Shevchenko <andriy.shevchenko@...ux.intel.com>,
linux-iio@...r.kernel.org, linux-kernel@...r.kernel.org
Cc: llvm@...ts.linux.dev, oe-kbuild-all@...ts.linux.dev,
Jonathan Cameron <jic23@...nel.org>,
Lars-Peter Clausen <lars@...afoo.de>
Subject: Re: [PATCH v1 1/2] iio: adc: ti-adc128s052: Switch to use
spi_get_device_match_data()
Hi Andy,
I love your patch! Yet something to improve:
[auto build test ERROR on jic23-iio/togreg]
[also build test ERROR on next-20221214]
[cannot apply to linus/master v6.1]
[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/Andy-Shevchenko/iio-adc-ti-adc128s052-Switch-to-use-spi_get_device_match_data/20221214-195107
base: https://git.kernel.org/pub/scm/linux/kernel/git/jic23/iio.git togreg
patch link: https://lore.kernel.org/r/20221214114944.83790-1-andriy.shevchenko%40linux.intel.com
patch subject: [PATCH v1 1/2] iio: adc: ti-adc128s052: Switch to use spi_get_device_match_data()
config: i386-randconfig-a002
compiler: clang version 14.0.6 (https://github.com/llvm/llvm-project f28c006a5895fc0e329fe15fead81e37457cb1d1)
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/bcf5eb0a92b2364ddde0d61a772ae31f2fbc4dae
git remote add linux-review https://github.com/intel-lab-lkp/linux
git fetch --no-tags linux-review Andy-Shevchenko/iio-adc-ti-adc128s052-Switch-to-use-spi_get_device_match_data/20221214-195107
git checkout bcf5eb0a92b2364ddde0d61a772ae31f2fbc4dae
# 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=i386 SHELL=/bin/bash
If you fix the issue, kindly add following tag where applicable
| Reported-by: kernel test robot <lkp@...el.com>
All errors (new ones prefixed by >>):
>> drivers/iio/adc/ti-adc128s052.c:158:11: error: implicit declaration of function 'spi_get_device_match_data' is invalid in C99 [-Werror,-Wimplicit-function-declaration]
config = spi_get_device_match_data(&spi->dev);
^
drivers/iio/adc/ti-adc128s052.c:158:9: warning: incompatible integer to pointer conversion assigning to 'const struct adc128_configuration *' from 'int' [-Wint-conversion]
config = spi_get_device_match_data(&spi->dev);
^ ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
>> drivers/iio/adc/ti-adc128s052.c:160:37: error: array subscript is not an integer
indio_dev->channels = adc128_config[config].channels;
^~~~~~~
drivers/iio/adc/ti-adc128s052.c:161:41: error: array subscript is not an integer
indio_dev->num_channels = adc128_config[config].num_channels;
^~~~~~~
1 warning and 3 errors generated.
vim +/spi_get_device_match_data +158 drivers/iio/adc/ti-adc128s052.c
139
140 static int adc128_probe(struct spi_device *spi)
141 {
142 const struct adc128_configuration *config;
143 struct iio_dev *indio_dev;
144 struct adc128 *adc;
145 int ret;
146
147 indio_dev = devm_iio_device_alloc(&spi->dev, sizeof(*adc));
148 if (!indio_dev)
149 return -ENOMEM;
150
151 adc = iio_priv(indio_dev);
152 adc->spi = spi;
153
154 indio_dev->name = spi_get_device_id(spi)->name;
155 indio_dev->modes = INDIO_DIRECT_MODE;
156 indio_dev->info = &adc128_info;
157
> 158 config = spi_get_device_match_data(&spi->dev);
159
> 160 indio_dev->channels = adc128_config[config].channels;
161 indio_dev->num_channels = adc128_config[config].num_channels;
162
163 adc->reg = devm_regulator_get(&spi->dev, "vref");
164 if (IS_ERR(adc->reg))
165 return PTR_ERR(adc->reg);
166
167 ret = regulator_enable(adc->reg);
168 if (ret < 0)
169 return ret;
170 ret = devm_add_action_or_reset(&spi->dev, adc128_disable_regulator,
171 adc->reg);
172 if (ret)
173 return ret;
174
175 mutex_init(&adc->lock);
176
177 return devm_iio_device_register(&spi->dev, indio_dev);
178 }
179
--
0-DAY CI Kernel Test Service
https://01.org/lkp
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