Hi Sebastian, Thank you for the patch! Perhaps something to improve: [auto build test WARNING on wireless-drivers-next/master] [also build test WARNING on v4.16-rc2 next-20180223] [cannot apply to ath6kl/ath-next] [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/s-gottschall-dd-wrt-com/ath10k-add-LED-and-GPIO-controlling-support-for-various-chipsets/20180224-185406 base: https://git.kernel.org/pub/scm/linux/kernel/git/kvalo/wireless-drivers-next.git master reproduce: # apt-get install sparse make ARCH=x86_64 allmodconfig make C=1 CF=-D__CHECK_ENDIAN__ sparse warnings: (new ones prefixed by >>) >> drivers/net/wireless/ath/ath10k/gpio.c:84:5: sparse: symbol 'ath10k_register_gpio_chip' was not declared. Should it be Please review and possibly fold the followup patch. --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/pipermail/kbuild-all Intel Corporation