Hi Olliver, [auto build test WARNING on pwm/for-next -- if it's inappropriate base, please suggest rules for selecting the more suitable base] url: https://github.com/0day-ci/linux/commits/Olliver-Schinagl/pwm-lpc18xx_pwm-use-pwm_set_chip_data/20151027-053853 config: arm-at91_dt_defconfig (attached as .config) 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=arm All warnings (new ones prefixed by >>): >> drivers/pwm/pwm-atmel-tcb.c:359:2: warning: initialization from incompatible pointer type .config = atmel_tcb_pwm_config, ^ drivers/pwm/pwm-atmel-tcb.c:359:2: warning: (near initialization for 'atmel_tcb_pwm_ops.config') vim +359 drivers/pwm/pwm-atmel-tcb.c 9421bade Boris BREZILLON 2013-01-08 343 } 9421bade Boris BREZILLON 2013-01-08 344 9421bade Boris BREZILLON 2013-01-08 345 tcbpwm->period = period; 9421bade Boris BREZILLON 2013-01-08 346 tcbpwm->div = i; 9421bade Boris BREZILLON 2013-01-08 347 tcbpwm->duty = duty; 9421bade Boris BREZILLON 2013-01-08 348 9421bade Boris BREZILLON 2013-01-08 349 /* If the PWM is enabled, call enable to apply the new conf */ 5c31252c Boris Brezillon 2015-07-01 350 if (pwm_is_enabled(pwm)) 9421bade Boris BREZILLON 2013-01-08 351 atmel_tcb_pwm_enable(chip, pwm); 9421bade Boris BREZILLON 2013-01-08 352 9421bade Boris BREZILLON 2013-01-08 353 return 0; 9421bade Boris BREZILLON 2013-01-08 354 } 9421bade Boris BREZILLON 2013-01-08 355 9421bade Boris BREZILLON 2013-01-08 356 static const struct pwm_ops atmel_tcb_pwm_ops = { 9421bade Boris BREZILLON 2013-01-08 357 .request = atmel_tcb_pwm_request, 9421bade Boris BREZILLON 2013-01-08 358 .free = atmel_tcb_pwm_free, 9421bade Boris BREZILLON 2013-01-08 @359 .config = atmel_tcb_pwm_config, 9421bade Boris BREZILLON 2013-01-08 360 .set_polarity = atmel_tcb_pwm_set_polarity, 9421bade Boris BREZILLON 2013-01-08 361 .enable = atmel_tcb_pwm_enable, 9421bade Boris BREZILLON 2013-01-08 362 .disable = atmel_tcb_pwm_disable, 83c80dc5 Axel Lin 2013-03-31 363 .owner = THIS_MODULE, 9421bade Boris BREZILLON 2013-01-08 364 }; 9421bade Boris BREZILLON 2013-01-08 365 9421bade Boris BREZILLON 2013-01-08 366 static int atmel_tcb_pwm_probe(struct platform_device *pdev) 9421bade Boris BREZILLON 2013-01-08 367 { :::::: The code at line 359 was first introduced by commit :::::: 9421bade0765d8ffb86b8a99213b611278a3542a pwm: atmel: add Timer Counter Block PWM driver :::::: TO: Boris BREZILLON :::::: CC: Thierry Reding --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/pipermail/kbuild-all Intel Corporation