Hi Jack, Thank you for the patch! Yet something to improve: [auto build test ERROR on staging/staging-testing] [also build test ERROR on v5.5-rc1] [if your patch is applied to the wrong git tree, please drop us a note to help improve the system. BTW, we also suggest to use '--base' option to specify the base tree in git format-patch, please see https://stackoverflow.com/a/37406982] url: https://github.com/0day-ci/linux/commits/Jack-Ping-CHNG/staging-intel-gwdpa-gswip-Introduce-Gigabit-Ethernet-Switch-GSWIP-device-driver/20191212-073318 base: https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging.git 4d17363db021311d0b5ad533bc9c438ed3177d7c config: s390-allmodconfig (attached as .config) compiler: s390-linux-gcc (GCC) 7.5.0 reproduce: wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross # save the attached .config to linux build tree GCC_VERSION=7.5.0 make.cross ARCH=s390 If you fix the issue, kindly add following tag Reported-by: kbuild test robot <lkp@xxxxxxxxx> All error/warnings (new ones prefixed by >>): In file included from drivers/staging/intel-gwdpa/gswip/mac_cfg.c:5:0: drivers/staging/intel-gwdpa/gswip/mac_common.h: In function 'sw_write': >> drivers/staging/intel-gwdpa/gswip/mac_common.h:175:2: error: implicit declaration of function 'writel'; did you mean 'sw_write'? [-Werror=implicit-function-declaration] writel(val, priv->sw + reg); ^~~~~~ sw_write drivers/staging/intel-gwdpa/gswip/mac_common.h: In function 'sw_read': >> drivers/staging/intel-gwdpa/gswip/mac_common.h:181:9: error: implicit declaration of function 'readl' [-Werror=implicit-function-declaration] return readl(priv->sw + reg); ^~~~~ drivers/staging/intel-gwdpa/gswip/mac_cfg.c: In function 'mac_set_physpeed': >> drivers/staging/intel-gwdpa/gswip/mac_cfg.c:55:3: warning: this statement may fall through [-Wimplicit-fallthrough=] sw_set_speed(priv, SPEED_10M); ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~ drivers/staging/intel-gwdpa/gswip/mac_cfg.c:57:2: note: here case SPEED_XGMAC_100M: ^~~~ drivers/staging/intel-gwdpa/gswip/mac_cfg.c:67:3: warning: this statement may fall through [-Wimplicit-fallthrough=] sw_set_speed(priv, SPEED_10M); ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~ drivers/staging/intel-gwdpa/gswip/mac_cfg.c:69:2: note: here case SPEED_LMAC_100M: ^~~~ cc1: some warnings being treated as errors -- In file included from drivers/staging/intel-gwdpa/gswip/gswip_mac.c:7:0: drivers/staging/intel-gwdpa/gswip/mac_common.h: In function 'sw_write': >> drivers/staging/intel-gwdpa/gswip/mac_common.h:175:2: error: implicit declaration of function 'writel'; did you mean 'sw_write'? [-Werror=implicit-function-declaration] writel(val, priv->sw + reg); ^~~~~~ sw_write drivers/staging/intel-gwdpa/gswip/mac_common.h: In function 'sw_read': >> drivers/staging/intel-gwdpa/gswip/mac_common.h:181:9: error: implicit declaration of function 'readl' [-Werror=implicit-function-declaration] return readl(priv->sw + reg); ^~~~~ cc1: some warnings being treated as errors vim +175 drivers/staging/intel-gwdpa/gswip/mac_common.h 171 172 /* GSWIP-O Top Register write */ 173 static inline void sw_write(struct gswip_mac *priv, u32 reg, u32 val) 174 { > 175 writel(val, priv->sw + reg); 176 } 177 178 /* GSWIP-O Top Register read */ 179 static inline int sw_read(struct gswip_mac *priv, u32 reg) 180 { > 181 return readl(priv->sw + reg); 182 } 183 --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/hyperkitty/list/kbuild-all@xxxxxxxxxxxx Intel Corporation
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