Hi Edward, [auto build test WARNING on hwmon/hwmon-next] [also build test WARNING on v4.10-rc1 next-20161224] [cannot apply to linux/master] [if your patch is applied to the wrong git tree, please drop us a note to help improve the system] url: https://github.com/0day-ci/linux/commits/eajames-ibm-gmail-com/drivers-hwmon-Add-On-Chip-Controller-driver/20161231-021324 base: https://git.kernel.org/pub/scm/linux/kernel/git/groeck/linux-staging.git hwmon-next config: ia64-allmodconfig (attached as .config) compiler: ia64-linux-gcc (GCC) 6.2.0 reproduce: wget https://git.kernel.org/cgit/linux/kernel/git/wfg/lkp-tests.git/plain/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross # save the attached .config to linux build tree make.cross ARCH=ia64 All warnings (new ones prefixed by >>): drivers/hwmon/occ/occ.c: In function 'occ_get_all': >> drivers/hwmon/occ/occ.c:390:44: warning: passing argument 5 of 'occ_send_cmd' discards 'const' qualifier from pointer target type [-Wdiscarded-qualifiers] rc = occ_send_cmd(driver, 0, OCC_POLL, 1, &poll_cmd_data, occ_data); ^ drivers/hwmon/occ/occ.c:281:11: note: expected 'u8 * {aka unsigned char *}' but argument is of type 'const u8 * {aka const unsigned char *}' static u8 occ_send_cmd(struct occ *driver, u8 seq, u8 type, u16 length, ^~~~~~~~~~~~ vim +390 drivers/hwmon/occ/occ.c 374 return rc; 375 } 376 377 static int occ_get_all(struct occ *driver) 378 { 379 int i = 0, rc; 380 u8 *occ_data; 381 u16 num_bytes; 382 const u8 poll_cmd_data = OCC_POLL_STAT_SENSOR; 383 struct device *dev = driver->dev; 384 struct occ_response *resp = &driver->response; 385 386 occ_data = devm_kzalloc(dev, OCC_DATA_MAX, GFP_KERNEL); 387 if (!occ_data) 388 return -ENOMEM; 389 > 390 rc = occ_send_cmd(driver, 0, OCC_POLL, 1, &poll_cmd_data, occ_data); 391 if (rc) { 392 dev_err(dev, "OCC poll failed: %d\n", rc); 393 goto out; 394 } 395 396 num_bytes = get_unaligned((u16 *)&occ_data[RESP_DATA_LENGTH]); 397 num_bytes = be16_to_cpu(num_bytes); 398 dev_dbg(dev, "OCC data length: %d\n", num_bytes); --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/pipermail/kbuild-all Intel Corporation
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