tree: https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-next head: ce1d37cb7697abcc3d892558acd33a1333596534 commit: 22ae6415c702680b1d3170717ce34ee31656f8b6 [5/9] usb: renesas_usbhs: Use platform_get_irq() to get the interrupt config: hexagon-randconfig-r041-20211222 (https://download.01.org/0day-ci/archive/20211222/202112221724.CBz2Bjz2-lkp@xxxxxxxxx/config) compiler: clang version 14.0.0 (https://github.com/llvm/llvm-project de4e0195ae1c39f1c3b07834b8e32c113f4f20eb) 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://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git/commit/?id=22ae6415c702680b1d3170717ce34ee31656f8b6 git remote add usb https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git git fetch --no-tags usb usb-next git checkout 22ae6415c702680b1d3170717ce34ee31656f8b6 # save the config file to linux build tree mkdir build_dir COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=hexagon SHELL=/bin/bash drivers/usb/renesas_usbhs/ If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp@xxxxxxxxx> All warnings (new ones prefixed by >>): >> drivers/usb/renesas_usbhs/mod.c:195:6: warning: variable 'intenb0' set but not used [-Wunused-but-set-variable] u16 intenb0, intenb1; ^ 1 warning generated. vim +/intenb0 +195 drivers/usb/renesas_usbhs/mod.c f1407d5c66240b Kuninori Morimoto 2011-04-04 190 697d5c004e3901 Shimoda, Yoshihiro 2012-08-20 191 static int usbhs_status_get_each_irq(struct usbhs_priv *priv, f1407d5c66240b Kuninori Morimoto 2011-04-04 192 struct usbhs_irq_state *state) f1407d5c66240b Kuninori Morimoto 2011-04-04 193 { f1407d5c66240b Kuninori Morimoto 2011-04-04 194 struct usbhs_mod *mod = usbhs_mod_get_current(priv); 697d5c004e3901 Shimoda, Yoshihiro 2012-08-20 @195 u16 intenb0, intenb1; c4d8199ba1a7aa Yoshihiro Shimoda 2014-08-22 196 unsigned long flags; f1407d5c66240b Kuninori Morimoto 2011-04-04 197 c4d8199ba1a7aa Yoshihiro Shimoda 2014-08-22 198 /******************** spin lock ********************/ c4d8199ba1a7aa Yoshihiro Shimoda 2014-08-22 199 usbhs_lock(priv, flags); f1407d5c66240b Kuninori Morimoto 2011-04-04 200 state->intsts0 = usbhs_read(priv, INTSTS0); 697d5c004e3901 Shimoda, Yoshihiro 2012-08-20 201 intenb0 = usbhs_read(priv, INTENB0); 88a25e02f35e56 Nobuhiro Iwamatsu 2015-01-09 202 88a25e02f35e56 Nobuhiro Iwamatsu 2015-01-09 203 if (usbhs_mod_is_host(priv)) { 88a25e02f35e56 Nobuhiro Iwamatsu 2015-01-09 204 state->intsts1 = usbhs_read(priv, INTSTS1); 697d5c004e3901 Shimoda, Yoshihiro 2012-08-20 205 intenb1 = usbhs_read(priv, INTENB1); 672bfdaa310004 Arnd Bergmann 2015-05-22 206 } else { 672bfdaa310004 Arnd Bergmann 2015-05-22 207 state->intsts1 = intenb1 = 0; 88a25e02f35e56 Nobuhiro Iwamatsu 2015-01-09 208 } 697d5c004e3901 Shimoda, Yoshihiro 2012-08-20 209 5ea68d541df200 Kuninori Morimoto 2011-04-28 210 /* mask */ 5ea68d541df200 Kuninori Morimoto 2011-04-28 211 if (mod) { f1407d5c66240b Kuninori Morimoto 2011-04-04 212 state->brdysts = usbhs_read(priv, BRDYSTS); f1407d5c66240b Kuninori Morimoto 2011-04-04 213 state->nrdysts = usbhs_read(priv, NRDYSTS); f1407d5c66240b Kuninori Morimoto 2011-04-04 214 state->bempsts = usbhs_read(priv, BEMPSTS); f1407d5c66240b Kuninori Morimoto 2011-04-04 215 f1407d5c66240b Kuninori Morimoto 2011-04-04 216 state->bempsts &= mod->irq_bempsts; f1407d5c66240b Kuninori Morimoto 2011-04-04 217 state->brdysts &= mod->irq_brdysts; f1407d5c66240b Kuninori Morimoto 2011-04-04 218 } c4d8199ba1a7aa Yoshihiro Shimoda 2014-08-22 219 usbhs_unlock(priv, flags); c4d8199ba1a7aa Yoshihiro Shimoda 2014-08-22 220 /******************** spin unlock ******************/ 697d5c004e3901 Shimoda, Yoshihiro 2012-08-20 221 697d5c004e3901 Shimoda, Yoshihiro 2012-08-20 222 return 0; 5ea68d541df200 Kuninori Morimoto 2011-04-28 223 } f1407d5c66240b Kuninori Morimoto 2011-04-04 224 :::::: The code at line 195 was first introduced by commit :::::: 697d5c004e390102efbf9320a5416873679bea81 usb: renesas_usbhs: modify the irq handler for sharing irq :::::: TO: Shimoda, Yoshihiro <yoshihiro.shimoda.uh@xxxxxxxxxxx> :::::: CC: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx> --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@xxxxxxxxxxxx
