Hi Xinhu, kernel test robot noticed the following build warnings: [auto build test WARNING on usb/usb-testing] [also build test WARNING on usb/usb-next usb/usb-linus robh/for-next westeri-thunderbolt/next linus/master v6.7-rc5 next-20231211] [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#_base_tree_information] url: https://github.com/intel-lab-lkp/linux/commits/Xinhu-Wu/usb-typec-Support-sprd_pmic_typec-driver/20231211-154328 base: https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing patch link: https://lore.kernel.org/r/20231211074120.27958-2-xinhu.wu%40unisoc.com patch subject: [PATCH V2 1/2] usb: typec: Support sprd_pmic_typec driver config: powerpc-allmodconfig (https://download.01.org/0day-ci/archive/20231212/202312120233.giTFvDie-lkp@xxxxxxxxx/config) compiler: clang version 17.0.0 (https://github.com/llvm/llvm-project.git 4a5ac14ee968ff0ad5d2cc1ffa0299048db4c88a) reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20231212/202312120233.giTFvDie-lkp@xxxxxxxxx/reproduce) If you fix the issue in a separate patch/commit (i.e. not just a new version of the same patch/commit), kindly add following tags | Reported-by: kernel test robot <lkp@xxxxxxxxx> | Closes: https://lore.kernel.org/oe-kbuild-all/202312120233.giTFvDie-lkp@xxxxxxxxx/ All warnings (new ones prefixed by >>): >> drivers/usb/typec/sprd_pmic_typec.c:184:10: warning: 16 enumeration values not handled in switch: 'TYPEC_DETACHED_SNK', 'TYPEC_ATTACHWAIT_SNK', 'TYPEC_DETACHED_SRC'... [-Wswitch] 184 | switch (sc->state) { | ^~~~~~~~~ 1 warning generated. vim +184 drivers/usb/typec/sprd_pmic_typec.c 173 174 static int sprd_pmic_typec_connect(struct sprd_pmic_typec *sc, u32 status) 175 { 176 enum typec_data_role data_role = TYPEC_DEVICE; 177 enum typec_role power_role = TYPEC_SINK; 178 enum typec_role vconn_role = TYPEC_SINK; 179 struct typec_partner_desc desc; 180 181 if (sc->partner) 182 return 0; 183 > 184 switch (sc->state) { 185 case TYPEC_ATTACHED_SNK: 186 power_role = TYPEC_SINK; 187 data_role = TYPEC_DEVICE; 188 vconn_role = TYPEC_SINK; 189 break; 190 case TYPEC_ATTACHED_SRC: 191 power_role = TYPEC_SOURCE; 192 data_role = TYPEC_HOST; 193 vconn_role = TYPEC_SOURCE; 194 break; 195 } 196 197 desc.usb_pd = 0; 198 desc.identity = NULL; 199 if (sc->state == TYPEC_AUDIO_CABLE) 200 desc.accessory = TYPEC_ACCESSORY_AUDIO; 201 else if (sc->state == TYPEC_DEBUG_CABLE) 202 desc.accessory = TYPEC_ACCESSORY_DEBUG; 203 else 204 desc.accessory = TYPEC_ACCESSORY_NONE; 205 206 sc->partner = typec_register_partner(sc->port, &desc); 207 if (!sc->partner) 208 return -ENODEV; 209 210 typec_set_pwr_opmode(sc->port, TYPEC_PWR_MODE_USB); 211 typec_set_pwr_role(sc->port, power_role); 212 typec_set_data_role(sc->port, data_role); 213 typec_set_vconn_role(sc->port, vconn_role); 214 215 switch (sc->state) { 216 case TYPEC_ATTACHED_SNK: 217 sc->pre_state = TYPEC_ATTACHED_SNK; 218 /*notify USB, USB PHY, charger, and bc1p2 driver*/ 219 extcon_set_state_sync(sc->edev, EXTCON_USB, true); 220 break; 221 case TYPEC_ATTACHED_SRC: 222 sc->pre_state = TYPEC_ATTACHED_SRC; 223 /*notify USB, USB PHY driver*/ 224 extcon_set_state_sync(sc->edev, EXTCON_USB_HOST, true); 225 break; 226 case TYPEC_AUDIO_CABLE: 227 /*notify analog audio driver*/ 228 sc->pre_state = TYPEC_AUDIO_CABLE; 229 extcon_set_state_sync(sc->edev, EXTCON_JACK_HEADPHONE, true); 230 break; 231 default: 232 break; 233 } 234 235 spin_lock(&sc->lock); 236 sc->partner_connected = true; 237 spin_unlock(&sc->lock); 238 sprd_pmic_typec_set_cc_polarity_role(sc); 239 240 return 0; 241 } 242 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki