Hi Heikki, I love your patch! Yet something to improve: [auto build test ERROR on next-20210326] [also build test ERROR on v5.12-rc5] [cannot apply to usb/usb-testing chrome-platform-linux/for-next linus/master v5.12-rc5 v5.12-rc4 v5.12-rc3] [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/Heikki-Krogerus/usb-Linking-ports-to-their-Type-C-connectors/20210329-164859 base: 931294922e65a23e1aad6398b9ae02df74044679 config: nios2-allyesconfig (attached as .config) compiler: nios2-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/e86970d606657b7ce44bbdb80f4d25048bca710f git remote add linux-review https://github.com/0day-ci/linux git fetch --no-tags linux-review Heikki-Krogerus/usb-Linking-ports-to-their-Type-C-connectors/20210329-164859 git checkout e86970d606657b7ce44bbdb80f4d25048bca710f # save the attached .config to linux build tree COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross ARCH=nios2 If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp@xxxxxxxxx> All errors (new ones prefixed by >>): drivers/usb/typec/port-mapper.c:156:5: error: redefinition of 'typec_link_port' 156 | int typec_link_port(struct device *port) | ^~~~~~~~~~~~~~~ In file included from drivers/usb/typec/port-mapper.c:11: include/linux/usb/typec.h:306:19: note: previous definition of 'typec_link_port' was here 306 | static inline int typec_link_port(struct device *port) | ^~~~~~~~~~~~~~~ >> drivers/usb/typec/port-mapper.c:215:6: error: redefinition of 'typec_unlink_port' 215 | void typec_unlink_port(struct device *port) | ^~~~~~~~~~~~~~~~~ In file included from drivers/usb/typec/port-mapper.c:11: include/linux/usb/typec.h:311:20: note: previous definition of 'typec_unlink_port' was here 311 | static inline void typec_unlink_port(struct device *port) { } | ^~~~~~~~~~~~~~~~~ vim +/typec_unlink_port +215 drivers/usb/typec/port-mapper.c 146 147 /** 148 * typec_link_port - Link a port to its connector 149 * @port: The port device 150 * 151 * Find the connector of @port and create symlink named "connector" for it. 152 * Returns 0 on success, or errno in case of a failure. 153 * 154 * NOTE. The function increments the reference count of @port on success. 155 */ > 156 int typec_link_port(struct device *port) 157 { 158 struct device *connector; 159 struct port_node *node; 160 int ret = 0; 161 162 node = create_port_node(port); 163 if (IS_ERR(node)) 164 return PTR_ERR(node); 165 166 connector = find_connector(node); 167 if (!connector) 168 goto remove_node; 169 170 ret = link_port(to_typec_port(connector), node); 171 if (ret) 172 goto put_connector; 173 174 return 0; 175 176 put_connector: 177 put_device(connector); 178 remove_node: 179 remove_port_node(node); 180 181 return ret; 182 } 183 EXPORT_SYMBOL_GPL(typec_link_port); 184 185 static int port_match_and_unlink(struct device *connector, void *port) 186 { 187 struct port_node *node; 188 struct port_node *tmp; 189 int ret = 0; 190 191 if (!is_typec_port(connector)) 192 return 0; 193 194 mutex_lock(&to_typec_port(connector)->port_list_lock); 195 list_for_each_entry_safe(node, tmp, &to_typec_port(connector)->port_list, list) { 196 ret = node->dev == port; 197 if (ret) { 198 unlink_port(to_typec_port(connector), node); 199 remove_port_node(node); 200 put_device(connector); 201 break; 202 } 203 } 204 mutex_unlock(&to_typec_port(connector)->port_list_lock); 205 206 return ret; 207 } 208 209 /** 210 * typec_unlink_port - Unlink port from its connector 211 * @port: The port device 212 * 213 * Removes the symlink "connector" and decrements the reference count of @port. 214 */ > 215 void typec_unlink_port(struct device *port) --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@xxxxxxxxxxxx
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