tree: https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core.git kobject-const head: bdafbcc6c07cf164a8b73f0dc3fa7b9b46ac5064 commit: f01cf8eb19cb72bcd55351987a53c6f8f0b740ee [12/18] driver core: make struct device_type.uevent() take a const * config: m68k-allyesconfig compiler: m68k-linux-gcc (GCC) 12.1.0 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://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core.git/commit/?id=f01cf8eb19cb72bcd55351987a53c6f8f0b740ee git remote add driver-core https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core.git git fetch --no-tags driver-core kobject-const git checkout f01cf8eb19cb72bcd55351987a53c6f8f0b740ee # save the config file mkdir build_dir && cp config build_dir/.config COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-12.1.0 make.cross W=1 O=build_dir ARCH=m68k SHELL=/bin/bash drivers/ If you fix the issue, kindly add following tag where applicable | Reported-by: kernel test robot All warnings (new ones prefixed by >>): drivers/i2c/i2c-core-base.c: In function 'i2c_device_uevent': >> drivers/i2c/i2c-core-base.c:148:42: warning: passing argument 1 of 'acpi_device_uevent_modalias' discards 'const' qualifier from pointer target type [-Wdiscarded-qualifiers] 148 | rc = acpi_device_uevent_modalias(dev, env); | ^~~ In file included from drivers/i2c/i2c-core-base.c:16: include/linux/acpi.h:951:62: note: expected 'struct device *' but argument is of type 'const struct device *' 951 | static inline int acpi_device_uevent_modalias(struct device *dev, | ~~~~~~~~~~~~~~~^~~ -- drivers/tty/serdev/core.c: In function 'serdev_device_uevent': >> drivers/tty/serdev/core.c:51:42: warning: passing argument 1 of 'acpi_device_uevent_modalias' discards 'const' qualifier from pointer target type [-Wdiscarded-qualifiers] 51 | rc = acpi_device_uevent_modalias(dev, env); | ^~~ In file included from drivers/tty/serdev/core.c:9: include/linux/acpi.h:951:62: note: expected 'struct device *' but argument is of type 'const struct device *' 951 | static inline int acpi_device_uevent_modalias(struct device *dev, | ~~~~~~~~~~~~~~~^~~ vim +148 drivers/i2c/i2c-core-base.c ^1da177e4c3f41 drivers/i2c/i2c-core.c Linus Torvalds 2005-04-16 138 f01cf8eb19cb72 drivers/i2c/i2c-core-base.c Greg Kroah-Hartman 2022-09-29 139 static int i2c_device_uevent(const struct device *dev, struct kobj_uevent_env *env) 7b4fbc50fabb81 drivers/i2c/i2c-core.c David Brownell 2007-05-01 140 { f01cf8eb19cb72 drivers/i2c/i2c-core-base.c Greg Kroah-Hartman 2022-09-29 141 const struct i2c_client *client = to_i2c_client(dev); 8c4ff6d0094a16 drivers/i2c/i2c-core.c Zhang Rui 2014-01-14 142 int rc; 8c4ff6d0094a16 drivers/i2c/i2c-core.c Zhang Rui 2014-01-14 143 af503716ac1444 drivers/i2c/i2c-core-base.c Javier Martinez Canillas 2017-12-03 144 rc = of_device_uevent_modalias(dev, env); af503716ac1444 drivers/i2c/i2c-core-base.c Javier Martinez Canillas 2017-12-03 145 if (rc != -ENODEV) af503716ac1444 drivers/i2c/i2c-core-base.c Javier Martinez Canillas 2017-12-03 146 return rc; af503716ac1444 drivers/i2c/i2c-core-base.c Javier Martinez Canillas 2017-12-03 147 8c4ff6d0094a16 drivers/i2c/i2c-core.c Zhang Rui 2014-01-14 @148 rc = acpi_device_uevent_modalias(dev, env); 8c4ff6d0094a16 drivers/i2c/i2c-core.c Zhang Rui 2014-01-14 149 if (rc != -ENODEV) 8c4ff6d0094a16 drivers/i2c/i2c-core.c Zhang Rui 2014-01-14 150 return rc; 7b4fbc50fabb81 drivers/i2c/i2c-core.c David Brownell 2007-05-01 151 8dcf32175b4e18 drivers/i2c/i2c-core.c Wolfram Sang 2016-03-23 152 return add_uevent_var(env, "MODALIAS=%s%s", I2C_MODULE_PREFIX, client->name); 7b4fbc50fabb81 drivers/i2c/i2c-core.c David Brownell 2007-05-01 153 } 7b4fbc50fabb81 drivers/i2c/i2c-core.c David Brownell 2007-05-01 154 :::::: The code at line 148 was first introduced by commit :::::: 8c4ff6d0094a16809a7ecdd49d71cf06b0a51326 ACPI: fix module autoloading for ACPI enumerated devices :::::: TO: Zhang Rui :::::: CC: Rafael J. Wysocki -- 0-DAY CI Kernel Test Service https://01.org/lkp