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Message-ID: <202303091814.jyOAXX4n-lkp@intel.com>
Date: Thu, 9 Mar 2023 18:53:31 +0800
From: kernel test robot <lkp@...el.com>
To: Jani Nikula <jani.nikula@...el.com>, linux-kernel@...r.kernel.org
Cc: llvm@...ts.linux.dev, oe-kbuild-all@...ts.linux.dev,
Jani Nikula <jani.nikula@...el.com>,
Jean Delvare <jdelvare@...e.com>,
Guenter Roeck <linux@...ck-us.net>, linux-hwmon@...r.kernel.org
Subject: Re: [PATCH] hwmon: constify struct hwmon_chip_info info member harder
Hi Jani,
I love your patch! Yet something to improve:
[auto build test ERROR on groeck-staging/hwmon-next]
[also build test ERROR on linus/master v6.3-rc1 next-20230309]
[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/Jani-Nikula/hwmon-constify-struct-hwmon_chip_info-info-member-harder/20230309-163328
base: https://git.kernel.org/pub/scm/linux/kernel/git/groeck/linux-staging.git hwmon-next
patch link: https://lore.kernel.org/r/20230309082841.400118-1-jani.nikula%40intel.com
patch subject: [PATCH] hwmon: constify struct hwmon_chip_info info member harder
config: x86_64-randconfig-a003 (https://download.01.org/0day-ci/archive/20230309/202303091814.jyOAXX4n-lkp@intel.com/config)
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/1ec9eaf0281f0a40044492700b7cdfe99d35d35e
git remote add linux-review https://github.com/intel-lab-lkp/linux
git fetch --no-tags linux-review Jani-Nikula/hwmon-constify-struct-hwmon_chip_info-info-member-harder/20230309-163328
git checkout 1ec9eaf0281f0a40044492700b7cdfe99d35d35e
# save the config file
mkdir build_dir && cp config build_dir/.config
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=x86_64 olddefconfig
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=x86_64 SHELL=/bin/bash drivers/hwmon/
If you fix the issue, kindly add following tag where applicable
| Reported-by: kernel test robot <lkp@...el.com>
| Link: https://lore.kernel.org/oe-kbuild-all/202303091814.jyOAXX4n-lkp@intel.com/
All errors (new ones prefixed by >>):
>> drivers/hwmon/hwmon.c:177:36: error: initializing 'const struct hwmon_channel_info **' with an expression of type 'const struct hwmon_channel_info *const *const' discards qualifiers [-Werror,-Wincompatible-pointer-types-discards-qualifiers]
const struct hwmon_channel_info **info = chip->info;
^ ~~~~~~~~~~
drivers/hwmon/hwmon.c:256:36: error: initializing 'const struct hwmon_channel_info **' with an expression of type 'const struct hwmon_channel_info *const *const' discards qualifiers [-Werror,-Wincompatible-pointer-types-discards-qualifiers]
const struct hwmon_channel_info **info = chip->info;
^ ~~~~~~~~~~
2 errors generated.
vim +177 drivers/hwmon/hwmon.c
d560168b5d0fb4 Guenter Roeck 2015-08-26 171
e5181331359d93 Daniel Lezcano 2022-08-05 172 static int hwmon_thermal_set_trips(struct thermal_zone_device *tz, int low, int high)
a5f6c0f85a09f4 Dmitry Osipenko 2021-06-23 173 {
e5181331359d93 Daniel Lezcano 2022-08-05 174 struct hwmon_thermal_data *tdata = tz->devdata;
a5f6c0f85a09f4 Dmitry Osipenko 2021-06-23 175 struct hwmon_device *hwdev = to_hwmon_device(tdata->dev);
a5f6c0f85a09f4 Dmitry Osipenko 2021-06-23 176 const struct hwmon_chip_info *chip = hwdev->chip;
a5f6c0f85a09f4 Dmitry Osipenko 2021-06-23 @177 const struct hwmon_channel_info **info = chip->info;
a5f6c0f85a09f4 Dmitry Osipenko 2021-06-23 178 unsigned int i;
a5f6c0f85a09f4 Dmitry Osipenko 2021-06-23 179 int err;
a5f6c0f85a09f4 Dmitry Osipenko 2021-06-23 180
a5f6c0f85a09f4 Dmitry Osipenko 2021-06-23 181 if (!chip->ops->write)
a5f6c0f85a09f4 Dmitry Osipenko 2021-06-23 182 return 0;
a5f6c0f85a09f4 Dmitry Osipenko 2021-06-23 183
a5f6c0f85a09f4 Dmitry Osipenko 2021-06-23 184 for (i = 0; info[i] && info[i]->type != hwmon_temp; i++)
a5f6c0f85a09f4 Dmitry Osipenko 2021-06-23 185 continue;
a5f6c0f85a09f4 Dmitry Osipenko 2021-06-23 186
a5f6c0f85a09f4 Dmitry Osipenko 2021-06-23 187 if (!info[i])
a5f6c0f85a09f4 Dmitry Osipenko 2021-06-23 188 return 0;
a5f6c0f85a09f4 Dmitry Osipenko 2021-06-23 189
a5f6c0f85a09f4 Dmitry Osipenko 2021-06-23 190 if (info[i]->config[tdata->index] & HWMON_T_MIN) {
a5f6c0f85a09f4 Dmitry Osipenko 2021-06-23 191 err = chip->ops->write(tdata->dev, hwmon_temp,
a5f6c0f85a09f4 Dmitry Osipenko 2021-06-23 192 hwmon_temp_min, tdata->index, low);
a5f6c0f85a09f4 Dmitry Osipenko 2021-06-23 193 if (err && err != -EOPNOTSUPP)
a5f6c0f85a09f4 Dmitry Osipenko 2021-06-23 194 return err;
a5f6c0f85a09f4 Dmitry Osipenko 2021-06-23 195 }
a5f6c0f85a09f4 Dmitry Osipenko 2021-06-23 196
a5f6c0f85a09f4 Dmitry Osipenko 2021-06-23 197 if (info[i]->config[tdata->index] & HWMON_T_MAX) {
a5f6c0f85a09f4 Dmitry Osipenko 2021-06-23 198 err = chip->ops->write(tdata->dev, hwmon_temp,
a5f6c0f85a09f4 Dmitry Osipenko 2021-06-23 199 hwmon_temp_max, tdata->index, high);
a5f6c0f85a09f4 Dmitry Osipenko 2021-06-23 200 if (err && err != -EOPNOTSUPP)
a5f6c0f85a09f4 Dmitry Osipenko 2021-06-23 201 return err;
a5f6c0f85a09f4 Dmitry Osipenko 2021-06-23 202 }
a5f6c0f85a09f4 Dmitry Osipenko 2021-06-23 203
a5f6c0f85a09f4 Dmitry Osipenko 2021-06-23 204 return 0;
a5f6c0f85a09f4 Dmitry Osipenko 2021-06-23 205 }
a5f6c0f85a09f4 Dmitry Osipenko 2021-06-23 206
--
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests
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