Hi Mayank, Thank you for the patch! Yet something to improve: [auto build test ERROR on staging/staging-testing] url: https://github.com/0day-ci/linux/commits/Mayank-Suman/staging-fbtft-replaced-udelay-with-usleep_range/20210205-171807 base: https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging.git 06b0c0dce88e2aa2f01343db0f26d214d7f264a0 config: alpha-allmodconfig (attached as .config) compiler: alpha-linux-gcc (GCC) 9.3.0 reproduce (this is a W=1 build): wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross # https://github.com/0day-ci/linux/commit/4a777af1cc91dc603b6b92fe06fd94081dc2891e git remote add linux-review https://github.com/0day-ci/linux git fetch --no-tags linux-review Mayank-Suman/staging-fbtft-replaced-udelay-with-usleep_range/20210205-171807 git checkout 4a777af1cc91dc603b6b92fe06fd94081dc2891e # save the attached .config to linux build tree COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross ARCH=alpha If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot All errors (new ones prefixed by >>): drivers/staging/fbtft/fb_agm1264k-fl.c: In function 'reset': >> drivers/staging/fbtft/fb_agm1264k-fl.c:88:2: error: too few arguments to function 'usleep_range' 88 | usleep_range(20); | ^~~~~~~~~~~~ In file included from drivers/staging/fbtft/fb_agm1264k-fl.c:12: include/linux/delay.h:61:6: note: declared here 61 | void usleep_range(unsigned long min, unsigned long max); | ^~~~~~~~~~~~ -- drivers/staging/fbtft/fb_ra8875.c: In function 'write_reg8_bus8': >> drivers/staging/fbtft/fb_ra8875.c:220:2: error: too few arguments to function 'usleep_range' 220 | usleep_range(100); | ^~~~~~~~~~~~ In file included from drivers/staging/fbtft/fb_ra8875.c:10: include/linux/delay.h:61:6: note: declared here 61 | void usleep_range(unsigned long min, unsigned long max); | ^~~~~~~~~~~~ drivers/staging/fbtft/fb_ra8875.c:241:2: error: too few arguments to function 'usleep_range' 241 | usleep_range(100); | ^~~~~~~~~~~~ In file included from drivers/staging/fbtft/fb_ra8875.c:10: include/linux/delay.h:61:6: note: declared here 61 | void usleep_range(unsigned long min, unsigned long max); | ^~~~~~~~~~~~ -- drivers/staging/fbtft/fb_tinylcd.c: In function 'init_display': >> drivers/staging/fbtft/fb_tinylcd.c:44:2: error: too few arguments to function 'usleep_range' 44 | usleep_range(250); | ^~~~~~~~~~~~ In file included from drivers/staging/fbtft/fb_tinylcd.c:11: include/linux/delay.h:61:6: note: declared here 61 | void usleep_range(unsigned long min, unsigned long max); | ^~~~~~~~~~~~ -- drivers/staging/fbtft/fb_upd161704.c: In function 'init_display': >> drivers/staging/fbtft/fb_upd161704.c:39:2: error: too few arguments to function 'usleep_range' 39 | usleep_range(100); | ^~~~~~~~~~~~ In file included from drivers/staging/fbtft/fb_upd161704.c:16: include/linux/delay.h:61:6: note: declared here 61 | void usleep_range(unsigned long min, unsigned long max); | ^~~~~~~~~~~~ drivers/staging/fbtft/fb_upd161704.c:43:2: error: too few arguments to function 'usleep_range' 43 | usleep_range(10); | ^~~~~~~~~~~~ In file included from drivers/staging/fbtft/fb_upd161704.c:16: include/linux/delay.h:61:6: note: declared here 61 | void usleep_range(unsigned long min, unsigned long max); | ^~~~~~~~~~~~ drivers/staging/fbtft/fb_upd161704.c:46:2: error: too few arguments to function 'usleep_range' 46 | usleep_range(10); | ^~~~~~~~~~~~ In file included from drivers/staging/fbtft/fb_upd161704.c:16: include/linux/delay.h:61:6: note: declared here 61 | void usleep_range(unsigned long min, unsigned long max); | ^~~~~~~~~~~~ drivers/staging/fbtft/fb_upd161704.c:49:2: error: too few arguments to function 'usleep_range' 49 | usleep_range(10); | ^~~~~~~~~~~~ In file included from drivers/staging/fbtft/fb_upd161704.c:16: include/linux/delay.h:61:6: note: declared here 61 | void usleep_range(unsigned long min, unsigned long max); | ^~~~~~~~~~~~ drivers/staging/fbtft/fb_upd161704.c:52:2: error: too few arguments to function 'usleep_range' 52 | usleep_range(10); | ^~~~~~~~~~~~ In file included from drivers/staging/fbtft/fb_upd161704.c:16: include/linux/delay.h:61:6: note: declared here 61 | void usleep_range(unsigned long min, unsigned long max); | ^~~~~~~~~~~~ drivers/staging/fbtft/fb_upd161704.c:55:2: error: too few arguments to function 'usleep_range' 55 | usleep_range(10); | ^~~~~~~~~~~~ In file included from drivers/staging/fbtft/fb_upd161704.c:16: include/linux/delay.h:61:6: note: declared here 61 | void usleep_range(unsigned long min, unsigned long max); | ^~~~~~~~~~~~ drivers/staging/fbtft/fb_upd161704.c:57:2: error: too few arguments to function 'usleep_range' 57 | usleep_range(10); | ^~~~~~~~~~~~ In file included from drivers/staging/fbtft/fb_upd161704.c:16: include/linux/delay.h:61:6: note: declared here 61 | void usleep_range(unsigned long min, unsigned long max); | ^~~~~~~~~~~~ drivers/staging/fbtft/fb_upd161704.c:59:2: error: too few arguments to function 'usleep_range' 59 | usleep_range(10); | ^~~~~~~~~~~~ In file included from drivers/staging/fbtft/fb_upd161704.c:16: include/linux/delay.h:61:6: note: declared here 61 | void usleep_range(unsigned long min, unsigned long max); | ^~~~~~~~~~~~ drivers/staging/fbtft/fb_upd161704.c:67:2: error: too few arguments to function 'usleep_range' 67 | usleep_range(200); | ^~~~~~~~~~~~ In file included from drivers/staging/fbtft/fb_upd161704.c:16: include/linux/delay.h:61:6: note: declared here 61 | void usleep_range(unsigned long min, unsigned long max); | ^~~~~~~~~~~~ -- drivers/staging/fbtft/fb_watterott.c: In function 'write_vmem': >> drivers/staging/fbtft/fb_watterott.c:87:3: error: too few arguments to function 'usleep_range' 87 | usleep_range(300); | ^~~~~~~~~~~~ In file included from drivers/staging/fbtft/fb_watterott.c:12: include/linux/delay.h:61:6: note: declared here 61 | void usleep_range(unsigned long min, unsigned long max); | ^~~~~~~~~~~~ drivers/staging/fbtft/fb_watterott.c: In function 'write_vmem_8bit': drivers/staging/fbtft/fb_watterott.c:127:3: error: too few arguments to function 'usleep_range' 127 | usleep_range(700); | ^~~~~~~~~~~~ In file included from drivers/staging/fbtft/fb_watterott.c:12: include/linux/delay.h:61:6: note: declared here 61 | void usleep_range(unsigned long min, unsigned long max); | ^~~~~~~~~~~~ vim +/usleep_range +88 drivers/staging/fbtft/fb_agm1264k-fl.c 79 80 static void reset(struct fbtft_par *par) 81 { 82 if (!par->gpio.reset) 83 return; 84 85 dev_dbg(par->info->device, "%s()\n", __func__); 86 87 gpiod_set_value(par->gpio.reset, 0); > 88 usleep_range(20); 89 gpiod_set_value(par->gpio.reset, 1); 90 mdelay(120); 91 } 92 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org