Hi Tommaso, kernel test robot noticed the following build warnings: [auto build test WARNING on media-tree/master] [also build test WARNING on robh/for-next linus/master v6.4-rc5 next-20230606] [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/Tommaso-Merciai/dt-bindings-vendor-prefixes-Add-prefix-alliedvision/20230606-235632 base: git://linuxtv.org/media_tree.git master patch link: https://lore.kernel.org/r/20230606155416.260941-4-tomm.merciai%40gmail.com patch subject: [PATCH v3 3/3] media: i2c: Add support for alvium camera config: mips-allyesconfig (https://download.01.org/0day-ci/archive/20230607/202306070716.28K0H9Jd-lkp@xxxxxxxxx/config) compiler: mips-linux-gcc (GCC) 12.3.0 reproduce (this is a W=1 build): mkdir -p ~/bin wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross git remote add media-tree git://linuxtv.org/media_tree.git git fetch media-tree master git checkout media-tree/master b4 shazam https://lore.kernel.org/r/20230606155416.260941-4-tomm.merciai@xxxxxxxxx # save the config file mkdir build_dir && cp config build_dir/.config COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-12.3.0 ~/bin/make.cross W=1 O=build_dir ARCH=mips olddefconfig COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-12.3.0 ~/bin/make.cross W=1 O=build_dir ARCH=mips SHELL=/bin/bash drivers/media/i2c/ If you fix the issue, kindly add following tag where applicable | Reported-by: kernel test robot <lkp@xxxxxxxxx> | Closes: https://lore.kernel.org/oe-kbuild-all/202306070716.28K0H9Jd-lkp@xxxxxxxxx/ All warnings (new ones prefixed by >>): drivers/media/i2c/alvium-csi2.c: In function 'alvium_set_ctrl_white_balance': >> drivers/media/i2c/alvium-csi2.c:2205:21: warning: variable 'blue_min' set but not used [-Wunused-but-set-variable] 2205 | u64 blue_min; | ^~~~~~~~ >> drivers/media/i2c/alvium-csi2.c:2204:21: warning: variable 'blue_max' set but not used [-Wunused-but-set-variable] 2204 | u64 blue_max; | ^~~~~~~~ >> drivers/media/i2c/alvium-csi2.c:2203:21: warning: variable 'red_min' set but not used [-Wunused-but-set-variable] 2203 | u64 red_min; | ^~~~~~~ >> drivers/media/i2c/alvium-csi2.c:2202:21: warning: variable 'red_max' set but not used [-Wunused-but-set-variable] 2202 | u64 red_max; | ^~~~~~~ drivers/media/i2c/alvium-csi2.c: In function 'alvium_set_frame_interval': >> drivers/media/i2c/alvium-csi2.c:2574:29: warning: variable 'max_fr' set but not used [-Wunused-but-set-variable] 2574 | u64 req_fr, min_fr, max_fr; | ^~~~~~ >> drivers/media/i2c/alvium-csi2.c:2574:21: warning: variable 'min_fr' set but not used [-Wunused-but-set-variable] 2574 | u64 req_fr, min_fr, max_fr; | ^~~~~~ drivers/media/i2c/alvium-csi2.c: In function 'alvium_subdev_init': >> drivers/media/i2c/alvium-csi2.c:3172:27: warning: variable 'crop' set but not used [-Wunused-but-set-variable] 3172 | struct v4l2_rect *crop; | ^~~~ >> drivers/media/i2c/alvium-csi2.c:3171:36: warning: variable 'fmt' set but not used [-Wunused-but-set-variable] 3171 | struct v4l2_mbus_framefmt *fmt; | ^~~ vim +/blue_min +2205 drivers/media/i2c/alvium-csi2.c 2186 2187 static int alvium_set_ctrl_white_balance(struct alvium_dev *alvium, 2188 bool awb) 2189 { 2190 struct alvium_ctrls *ctrls = &alvium->ctrls; 2191 int ret = 0; 2192 2193 if (ctrls->auto_wb->is_new) { 2194 ret = alvium_set_awb(alvium, awb); 2195 if (ret) 2196 return ret; 2197 } 2198 2199 if (!awb && ctrls->auto_wb->is_new) { 2200 u64 red = (u64)ctrls->red_balance->val; 2201 u64 blue = (u64)ctrls->blue_balance->val; > 2202 u64 red_max; > 2203 u64 red_min; > 2204 u64 blue_max; > 2205 u64 blue_min; 2206 2207 ret = alvium_get_red_balance_ratio_params(alvium); 2208 if (ret) 2209 return ret; 2210 2211 ret = alvium_get_blue_balance_ratio_params(alvium); 2212 if (ret) 2213 return ret; 2214 2215 red_max = alvium->max_rbalance; 2216 red_min = alvium->min_rbalance; 2217 blue_max = alvium->max_bbalance; 2218 blue_min = alvium->min_rbalance; 2219 2220 ret = alvium_set_red_balance_ratio(alvium, red); 2221 if (ret) 2222 return ret; 2223 2224 ret = alvium_set_blue_balance_ratio(alvium, blue); 2225 if (ret) 2226 return ret; 2227 } 2228 2229 return ret; 2230 } 2231 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki
