Hi Neil, kernel test robot noticed the following build warnings: [auto build test WARNING on 2030579113a1b1b5bfd7ff24c0852847836d8fd1] url: https://github.com/intel-lab-lkp/linux/commits/Neil-Armstrong/dt-bindings-input-document-Goodix-Berlin-Touchscreen-IC/20231021-191942 base: 2030579113a1b1b5bfd7ff24c0852847836d8fd1 patch link: https://lore.kernel.org/r/20231021-topic-goodix-berlin-upstream-initial-v9-3-13fb4e887156%40linaro.org patch subject: [PATCH v9 3/4] Input: goodix-berlin - add I2C support for Goodix Berlin Touchscreen IC config: sh-allyesconfig (https://download.01.org/0day-ci/archive/20231023/202310231123.eHyxswnW-lkp@xxxxxxxxx/config) compiler: sh4-linux-gcc (GCC) 13.2.0 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20231023/202310231123.eHyxswnW-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/202310231123.eHyxswnW-lkp@xxxxxxxxx/ All warnings (new ones prefixed by >>): drivers/input/touchscreen/goodix_berlin_core.c: In function 'goodix_berlin_get_ic_info': >> drivers/input/touchscreen/goodix_berlin_core.c:285:1: warning: the frame size of 1148 bytes is larger than 1024 bytes [-Wframe-larger-than=] 285 | } | ^ vim +285 drivers/input/touchscreen/goodix_berlin_core.c 7aae63b22cf7e9 Neil Armstrong 2023-10-21 235 7aae63b22cf7e9 Neil Armstrong 2023-10-21 236 static int goodix_berlin_get_ic_info(struct goodix_berlin_core *cd) 7aae63b22cf7e9 Neil Armstrong 2023-10-21 237 { 7aae63b22cf7e9 Neil Armstrong 2023-10-21 238 u8 afe_data[GOODIX_BERLIN_IC_INFO_MAX_LEN]; 7aae63b22cf7e9 Neil Armstrong 2023-10-21 239 __le16 length_raw; 7aae63b22cf7e9 Neil Armstrong 2023-10-21 240 u16 length; 7aae63b22cf7e9 Neil Armstrong 2023-10-21 241 int error; 7aae63b22cf7e9 Neil Armstrong 2023-10-21 242 7aae63b22cf7e9 Neil Armstrong 2023-10-21 243 error = regmap_raw_read(cd->regmap, GOODIX_BERLIN_IC_INFO_ADDR, 7aae63b22cf7e9 Neil Armstrong 2023-10-21 244 &length_raw, sizeof(length_raw)); 7aae63b22cf7e9 Neil Armstrong 2023-10-21 245 if (error) { 7aae63b22cf7e9 Neil Armstrong 2023-10-21 246 dev_info(cd->dev, "failed get ic info length, %d\n", error); 7aae63b22cf7e9 Neil Armstrong 2023-10-21 247 return error; 7aae63b22cf7e9 Neil Armstrong 2023-10-21 248 } 7aae63b22cf7e9 Neil Armstrong 2023-10-21 249 7aae63b22cf7e9 Neil Armstrong 2023-10-21 250 length = le16_to_cpu(length_raw); 7aae63b22cf7e9 Neil Armstrong 2023-10-21 251 if (length >= GOODIX_BERLIN_IC_INFO_MAX_LEN) { 7aae63b22cf7e9 Neil Armstrong 2023-10-21 252 dev_info(cd->dev, "invalid ic info length %d\n", length); 7aae63b22cf7e9 Neil Armstrong 2023-10-21 253 return -EINVAL; 7aae63b22cf7e9 Neil Armstrong 2023-10-21 254 } 7aae63b22cf7e9 Neil Armstrong 2023-10-21 255 7aae63b22cf7e9 Neil Armstrong 2023-10-21 256 error = regmap_raw_read(cd->regmap, GOODIX_BERLIN_IC_INFO_ADDR, 7aae63b22cf7e9 Neil Armstrong 2023-10-21 257 afe_data, length); 7aae63b22cf7e9 Neil Armstrong 2023-10-21 258 if (error) { 7aae63b22cf7e9 Neil Armstrong 2023-10-21 259 dev_info(cd->dev, "failed get ic info data, %d\n", error); 7aae63b22cf7e9 Neil Armstrong 2023-10-21 260 return error; 7aae63b22cf7e9 Neil Armstrong 2023-10-21 261 } 7aae63b22cf7e9 Neil Armstrong 2023-10-21 262 7aae63b22cf7e9 Neil Armstrong 2023-10-21 263 /* check whether the data is valid (ex. bus default values) */ 7aae63b22cf7e9 Neil Armstrong 2023-10-21 264 if (goodix_berlin_is_dummy_data(cd, (const uint8_t *)afe_data, length)) { 7aae63b22cf7e9 Neil Armstrong 2023-10-21 265 dev_err(cd->dev, "fw info data invalid\n"); 7aae63b22cf7e9 Neil Armstrong 2023-10-21 266 return -EINVAL; 7aae63b22cf7e9 Neil Armstrong 2023-10-21 267 } 7aae63b22cf7e9 Neil Armstrong 2023-10-21 268 7aae63b22cf7e9 Neil Armstrong 2023-10-21 269 if (!goodix_berlin_checksum_valid((const uint8_t *)afe_data, length)) { 7aae63b22cf7e9 Neil Armstrong 2023-10-21 270 dev_info(cd->dev, "fw info checksum error\n"); 7aae63b22cf7e9 Neil Armstrong 2023-10-21 271 return -EINVAL; 7aae63b22cf7e9 Neil Armstrong 2023-10-21 272 } 7aae63b22cf7e9 Neil Armstrong 2023-10-21 273 7aae63b22cf7e9 Neil Armstrong 2023-10-21 274 error = goodix_berlin_convert_ic_info(cd, afe_data, length); 7aae63b22cf7e9 Neil Armstrong 2023-10-21 275 if (error) 7aae63b22cf7e9 Neil Armstrong 2023-10-21 276 return error; 7aae63b22cf7e9 Neil Armstrong 2023-10-21 277 7aae63b22cf7e9 Neil Armstrong 2023-10-21 278 /* check some key info */ 7aae63b22cf7e9 Neil Armstrong 2023-10-21 279 if (!cd->touch_data_addr) { 7aae63b22cf7e9 Neil Armstrong 2023-10-21 280 dev_err(cd->dev, "touch_data_addr is null\n"); 7aae63b22cf7e9 Neil Armstrong 2023-10-21 281 return -EINVAL; 7aae63b22cf7e9 Neil Armstrong 2023-10-21 282 } 7aae63b22cf7e9 Neil Armstrong 2023-10-21 283 7aae63b22cf7e9 Neil Armstrong 2023-10-21 284 return 0; 7aae63b22cf7e9 Neil Armstrong 2023-10-21 @285 } 7aae63b22cf7e9 Neil Armstrong 2023-10-21 286 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki