Hi Miquel, I love your patch! Yet something to improve: [auto build test ERROR on mtd/nand/next] [also build test ERROR on mtd/mtd/next v5.13-rc1 next-20210510] [If your patch is applied to the wrong git tree, kindly drop us a note. And when submitting patch, we suggest to use '--base' as documented in https://git-scm.com/docs/git-format-patch] url: https://github.com/0day-ci/linux/commits/Miquel-Raynal/Bring-GPIO-CS-support-to-the-Arasan-controller-driver/20210510-184335 base: https://git.kernel.org/pub/scm/linux/kernel/git/mtd/linux.git nand/next config: i386-randconfig-a014-20210510 (attached as .config) compiler: gcc-9 (Debian 9.3.0-22) 9.3.0 reproduce (this is a W=1 build): # https://github.com/0day-ci/linux/commit/09c3e51f9529c4773d8a5999e34cf241de5a5dda git remote add linux-review https://github.com/0day-ci/linux git fetch --no-tags linux-review Miquel-Raynal/Bring-GPIO-CS-support-to-the-Arasan-controller-driver/20210510-184335 git checkout 09c3e51f9529c4773d8a5999e34cf241de5a5dda # save the attached .config to linux build tree make W=1 W=1 ARCH=i386 If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp@xxxxxxxxx> All errors (new ones prefixed by >>, old ones prefixed by <<): >> ERROR: modpost: "rawnand_dt_parse_gpio_cs" [drivers/mtd/nand/raw/arasan-nand-controller.ko] undefined! --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@xxxxxxxxxxxx
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