Hi Aman, kernel test robot noticed the following build warnings: [auto build test WARNING on robh/for-next] [also build test WARNING on linus/master v6.14-rc2 next-20250213] [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/Aman-Kumar-Pandey/drivers-i3c-Add-driver-for-NXP-P3H2x4x-i3c-hub-device/20250212-213659 base: https://git.kernel.org/pub/scm/linux/kernel/git/robh/linux.git for-next patch link: https://lore.kernel.org/r/20250212132227.1348374-2-aman.kumarpandey%40nxp.com patch subject: [PATCH 2/2] drivers: i3c: Add driver for NXP P3H2x4x i3c-hub device config: loongarch-allmodconfig (https://download.01.org/0day-ci/archive/20250214/202502140107.5TZoA3GU-lkp@xxxxxxxxx/config) compiler: loongarch64-linux-gcc (GCC) 14.2.0 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20250214/202502140107.5TZoA3GU-lkp@xxxxxxxxx/reproduce) If you fix the issue in a separate patch/commit (i.e. not just a new version of the same patch/commit), kindly add following tags | Reported-by: kernel test robot <lkp@xxxxxxxxx> | Closes: https://lore.kernel.org/oe-kbuild-all/202502140107.5TZoA3GU-lkp@xxxxxxxxx/ All warnings (new ones prefixed by >>): In file included from drivers/i3c/p3h2x4x/p3h2x4x_i3c_hub_i3c.c:7: >> drivers/i3c/p3h2x4x/p3h2x4x_i3c_hub.h:351:37: warning: 'io_strength_settings' defined but not used [-Wunused-const-variable=] 351 | static const struct p3h2x4x_setting io_strength_settings[] = { | ^~~~~~~~~~~~~~~~~~~~ >> drivers/i3c/p3h2x4x/p3h2x4x_i3c_hub.h:345:37: warning: 'tp_pullup_settings' defined but not used [-Wunused-const-variable=] 345 | static const struct p3h2x4x_setting tp_pullup_settings[] = { | ^~~~~~~~~~~~~~~~~~ >> drivers/i3c/p3h2x4x/p3h2x4x_i3c_hub.h:337:37: warning: 'tp_mode_settings' defined but not used [-Wunused-const-variable=] 337 | static const struct p3h2x4x_setting tp_mode_settings[] = { | ^~~~~~~~~~~~~~~~ >> drivers/i3c/p3h2x4x/p3h2x4x_i3c_hub.h:329:37: warning: 'pullup_settings' defined but not used [-Wunused-const-variable=] 329 | static const struct p3h2x4x_setting pullup_settings[] = { | ^~~~~~~~~~~~~~~ >> drivers/i3c/p3h2x4x/p3h2x4x_i3c_hub.h:321:37: warning: 'ldo_volt_settings' defined but not used [-Wunused-const-variable=] 321 | static const struct p3h2x4x_setting ldo_volt_settings[] = { | ^~~~~~~~~~~~~~~~~ >> drivers/i3c/p3h2x4x/p3h2x4x_i3c_hub.h:315:37: warning: 'ldo_en_settings' defined but not used [-Wunused-const-variable=] 315 | static const struct p3h2x4x_setting ldo_en_settings[] = { | ^~~~~~~~~~~~~~~ >> drivers/i3c/p3h2x4x/p3h2x4x_i3c_hub.h:309:37: warning: 'ibi_en_settings' defined but not used [-Wunused-const-variable=] 309 | static const struct p3h2x4x_setting ibi_en_settings[] = { | ^~~~~~~~~~~~~~~ vim +/io_strength_settings +351 drivers/i3c/p3h2x4x/p3h2x4x_i3c_hub.h 307 308 /* IBI enable/disable settings */ > 309 static const struct p3h2x4x_setting ibi_en_settings[] = { 310 { "disabled", P3H2x4x_IBI_DISABLED }, 311 { "enabled", P3H2x4x_IBI_ENABLED }, 312 }; 313 314 /* LDO enable/disable settings */ > 315 static const struct p3h2x4x_setting ldo_en_settings[] = { 316 { "disabled", P3H2x4x_LDO_DISABLED }, 317 { "enabled", P3H2x4x_LDO_ENABLED }, 318 }; 319 320 /* LDO voltage settings */ > 321 static const struct p3h2x4x_setting ldo_volt_settings[] = { 322 { "1.0V", P3H2x4x_LDO_VOLT_1_0V }, 323 { "1.1V", P3H2x4x_LDO_VOLT_1_1V }, 324 { "1.2V", P3H2x4x_LDO_VOLT_1_2V }, 325 { "1.8V", P3H2x4x_LDO_VOLT_1_8V }, 326 }; 327 328 /* target port pull-up settings */ > 329 static const struct p3h2x4x_setting pullup_settings[] = { 330 { "250R", P3H2x4x_TP_PULLUP_250R }, 331 { "500R", P3H2x4x_TP_PULLUP_500R }, 332 { "1000R", P3H2x4x_TP_PULLUP_1000R }, 333 { "2000R", P3H2x4x_TP_PULLUP_2000R }, 334 }; 335 336 /* target port mode settings */ > 337 static const struct p3h2x4x_setting tp_mode_settings[] = { 338 { "i3c", P3H2x4x_TP_MODE_I3C }, 339 { "smbus", P3H2x4x_TP_MODE_SMBUS }, 340 { "gpio", P3H2x4x_TP_MODE_GPIO }, 341 { "i2c", P3H2x4x_TP_MODE_I2C }, 342 }; 343 344 /* pull-up enable/disable settings */ > 345 static const struct p3h2x4x_setting tp_pullup_settings[] = { 346 { "disabled", P3H2x4x_TP_PULLUP_DISABLED }, 347 { "enabled", P3H2x4x_TP_PULLUP_ENABLED }, 348 }; 349 350 /* IO strenght settings */ > 351 static const struct p3h2x4x_setting io_strength_settings[] = { 352 { "20Ohms", P3H2x4x_IO_STRENGTH_20_OHM }, 353 { "30Ohms", P3H2x4x_IO_STRENGTH_30_OHM }, 354 { "40Ohms", P3H2x4x_IO_STRENGTH_40_OHM }, 355 { "50Ohms", P3H2x4x_IO_STRENGTH_50_OHM }, 356 }; 357 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki