Hi Fenglin, [auto build test ERROR on j.anaszewski-leds/for-next] [also build test ERROR on v4.12-rc3 next-20170602] [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/fenglinw-codeaurora-org/leds-leds-qti-rgb-Add-LED-driver-for-QTI-TRI_LED-module/20170531-153634 base: https://git.kernel.org/pub/scm/linux/kernel/git/j.anaszewski/linux-leds.git for-next config: m68k-allyesconfig (attached as .config) compiler: m68k-linux-gcc (GCC) 4.9.0 reproduce: wget https://raw.githubusercontent.com/01org/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross # save the attached .config to linux build tree make.cross ARCH=m68k All errors (new ones prefixed by >>): drivers/pwm/pwm-qti-lpg.c: In function 'qti_lpg_pwm_dbg_show': >> drivers/pwm/pwm-qti-lpg.c:428:4: error: implicit declaration of function >> 'seq_printf' [-Werror=implicit-function-declaration] seq_printf(s, "LPG %d is requested by %s\n", ^ >> drivers/pwm/pwm-qti-lpg.c:437:4: error: implicit declaration of function >> 'seq_puts' [-Werror=implicit-function-declaration] seq_puts(s, " enabled\n"); ^ cc1: some warnings being treated as errors vim +/seq_printf +428 drivers/pwm/pwm-qti-lpg.c 422 if (lpg == NULL) { 423 dev_err(pwm_chip->dev, "lpg not found\n"); 424 return; 425 } 426 427 if (test_bit(PWMF_REQUESTED, &pwm->flags)) { > 428 seq_printf(s, "LPG %d is requested by %s\n", 429 lpg->lpg_idx + 1, pwm->label); 430 } else { 431 seq_printf(s, "LPG %d is free\n", 432 lpg->lpg_idx + 1); 433 continue; 434 } 435 436 if (pwm_is_enabled(pwm)) { > 437 seq_puts(s, " enabled\n"); 438 } else { 439 seq_puts(s, " disabled\n"); 440 continue; --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/pipermail/kbuild-all Intel Corporation
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