tree: https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing head: 9a03b9a88e4a44e358e3638736286442ae262497 commit: 7b5e970ff0e58f9239226fe81c77d5b98d744986 [20/25] usb: misc: onboard_usb_dev: add Microchip usb5744 SMBus programming support config: arc-randconfig-001-20240824 (https://download.01.org/0day-ci/archive/20240824/202408242231.WOLALxi9-lkp@xxxxxxxxx/config) compiler: arceb-elf-gcc (GCC) 13.2.0 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20240824/202408242231.WOLALxi9-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/202408242231.WOLALxi9-lkp@xxxxxxxxx/ All errors (new ones prefixed by >>): drivers/usb/misc/onboard_usb_dev.c: In function 'onboard_dev_5744_i2c_init': >> drivers/usb/misc/onboard_usb_dev.c:329:15: error: implicit declaration of function 'i2c_smbus_write_block_data' [-Werror=implicit-function-declaration] 329 | ret = i2c_smbus_write_block_data(client, 0, sizeof(wr_buf), wr_buf); | ^~~~~~~~~~~~~~~~~~~~~~~~~~ >> drivers/usb/misc/onboard_usb_dev.c:333:15: error: implicit declaration of function 'i2c_smbus_write_word_data' [-Werror=implicit-function-declaration] 333 | ret = i2c_smbus_write_word_data(client, USB5744_CMD_CREG_ACCESS, | ^~~~~~~~~~~~~~~~~~~~~~~~~ cc1: some warnings being treated as errors vim +/i2c_smbus_write_block_data +329 drivers/usb/misc/onboard_usb_dev.c 311 312 static int onboard_dev_5744_i2c_init(struct i2c_client *client) 313 { 314 struct device *dev = &client->dev; 315 int ret; 316 317 /* 318 * Set BYPASS_UDC_SUSPEND bit to ensure MCU is always enabled 319 * and ready to respond to SMBus runtime commands. 320 * The command writes 5 bytes to memory and single data byte in 321 * configuration register. 322 */ 323 char wr_buf[7] = {USB5744_CREG_MEM_ADDR, 5, 324 USB5744_CREG_WRITE, 1, 325 USB5744_CREG_RUNTIMEFLAGS2, 326 USB5744_CREG_RUNTIMEFLAGS2_LSB, 327 USB5744_CREG_BYPASS_UDC_SUSPEND}; 328 > 329 ret = i2c_smbus_write_block_data(client, 0, sizeof(wr_buf), wr_buf); 330 if (ret) 331 return dev_err_probe(dev, ret, "BYPASS_UDC_SUSPEND bit configuration failed\n"); 332 > 333 ret = i2c_smbus_write_word_data(client, USB5744_CMD_CREG_ACCESS, 334 USB5744_CMD_CREG_ACCESS_LSB); 335 if (ret) 336 return dev_err_probe(dev, ret, "Configuration Register Access Command failed\n"); 337 338 /* Send SMBus command to boot hub. */ 339 ret = i2c_smbus_write_word_data(client, USB5744_CMD_ATTACH, 340 USB5744_CMD_ATTACH_LSB); 341 if (ret < 0) 342 return dev_err_probe(dev, ret, "USB Attach with SMBus command failed\n"); 343 344 return ret; 345 } 346 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki