tree: https://github.com/tobetter/linux odroid-5.11.y head: 157df6d6590d85491bb6cef517c5399de1080ec1 commit: 3744a8448629a60d98caa5bb3947db06a03a318e [13/84] ODROID-COMMON: input/touchscreen: Add D-WAV Multitouch driver. config: arm64-randconfig-s031-20210209 (attached as .config) compiler: aarch64-linux-gcc (GCC) 9.3.0 reproduce: wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross # apt-get install sparse # sparse version: v0.6.3-215-g0fb77bb6-dirty # https://github.com/tobetter/linux/commit/3744a8448629a60d98caa5bb3947db06... git remote add tobetter-linux https://github.com/tobetter/linux git fetch --no-tags tobetter-linux odroid-5.11.y git checkout 3744a8448629a60d98caa5bb3947db06a03a318e # save the attached .config to linux build tree COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' ARCH=arm64 If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp(a)intel.com&gt; "sparse warnings: (new ones prefixed by >>)" drivers/input/touchscreen/dwav-usb-mt.c:176:41: sparse: expected unsigned int x drivers/input/touchscreen/dwav-usb-mt.c:176:41: sparse: got restricted __be16 [usertype] drivers/input/touchscreen/dwav-usb-mt.c:178:41: sparse: expected unsigned int y drivers/input/touchscreen/dwav-usb-mt.c:178:41: sparse: got restricted __be16 [usertype] drivers/input/touchscreen/dwav-usb-mt.c:182:41: sparse: sparse: incorrect type in assignment (different base types) @@ expected unsigned int x @@ got restricted __be16 [usertype] @@ drivers/input/touchscreen/dwav-usb-mt.c:182:41: sparse: expected unsigned int x drivers/input/touchscreen/dwav-usb-mt.c:182:41: sparse: got restricted __be16 [usertype] drivers/input/touchscreen/dwav-usb-mt.c:184:41: sparse: sparse: incorrect type in assignment (different base types) @@ expected unsigned int y @@ got restricted __be16 [usertype] @@ drivers/input/touchscreen/dwav-usb-mt.c:184:41: sparse: expected unsigned int y drivers/input/touchscreen/dwav-usb-mt.c:184:41: sparse: got restricted __be16 [usertype] drivers/input/touchscreen/dwav-usb-mt.c:188:41: sparse: sparse: incorrect type in assignment (different base types) @@ expected unsigned int x @@ got restricted __be16 [usertype] @@ drivers/input/touchscreen/dwav-usb-mt.c:188:41: sparse: expected unsigned int x drivers/input/touchscreen/dwav-usb-mt.c:188:41: sparse: got restricted __be16 [usertype] drivers/input/touchscreen/dwav-usb-mt.c:190:41: sparse: sparse: incorrect type in assignment (different base types) @@ expected unsigned int y @@ got restricted __be16 [usertype] @@ drivers/input/touchscreen/dwav-usb-mt.c:190:41: sparse: expected unsigned int y drivers/input/touchscreen/dwav-usb-mt.c:190:41: sparse: got restricted __be16 [usertype] drivers/input/touchscreen/dwav-usb-mt.c:194:41: sparse: sparse: incorrect type in assignment (different base types) @@ expected unsigned int x @@ got restricted __be16 [usertype] @@ drivers/input/touchscreen/dwav-usb-mt.c:194:41: sparse: expected unsigned int x drivers/input/touchscreen/dwav-usb-mt.c:194:41: sparse: got restricted __be16 [usertype] drivers/input/touchscreen/dwav-usb-mt.c:196:41: sparse: sparse: incorrect type in assignment (different base types) @@ expected unsigned int y @@ got restricted __be16 [usertype] @@ drivers/input/touchscreen/dwav-usb-mt.c:196:41: sparse: expected unsigned int y drivers/input/touchscreen/dwav-usb-mt.c:196:41: sparse: got restricted __be16 [usertype] drivers/input/touchscreen/dwav-usb-mt.c:200:41: sparse: sparse: incorrect type in assignment (different base types) @@ expected unsigned int x @@ got restricted __be16 [usertype] @@ drivers/input/touchscreen/dwav-usb-mt.c:200:41: sparse: expected unsigned int x drivers/input/touchscreen/dwav-usb-mt.c:200:41: sparse: got restricted __be16 [usertype] drivers/input/touchscreen/dwav-usb-mt.c:202:41: sparse: sparse: incorrect type in assignment (different base types) @@ expected unsigned int y @@ got restricted __be16 [usertype] @@ drivers/input/touchscreen/dwav-usb-mt.c:202:41: sparse: expected unsigned int y drivers/input/touchscreen/dwav-usb-mt.c:202:41: sparse: got restricted __be16 [usertype] vim +176 drivers/input/touchscreen/dwav-usb-mt.c 161 162 static void dwav_usb_mt_process(struct dwav_usb_mt *dwav_usb_mt, 163 unsigned char *pkt, int len) 164 { 165 struct dwav_raw *dwav_raw = (struct dwav_raw *)pkt; 166 unsigned char bit_mask, cnt; 167 168 for (cnt = 0, bit_mask = 0x01; 169 cnt < DEV_INFO[dwav_usb_mt->dev_id].max_finger; 170 cnt++, bit_mask <<= 1) { 171 if ((dwav_raw->ids & bit_mask) && dwav_raw->press) { 172 dwav_usb_mt->finger[cnt].status = TS_EVENT_PRESS; 173 switch (cnt) { 174 case 0: 175 dwav_usb_mt->finger[cnt].x 177 dwav_usb_mt->finger[cnt].y 179 break; 180 case 1: 181 dwav_usb_mt->finger[cnt].x 182 = cpu_to_be16(dwav_raw->x2); 183 dwav_usb_mt->finger[cnt].y 184 = cpu_to_be16(dwav_raw->y2); 185 break; 186 case 2: 187 dwav_usb_mt->finger[cnt].x 188 = cpu_to_be16(dwav_raw->x3); 189 dwav_usb_mt->finger[cnt].y 190 = cpu_to_be16(dwav_raw->y3); 191 break; 192 case 3: 193 dwav_usb_mt->finger[cnt].x 194 = cpu_to_be16(dwav_raw->x4); 195 dwav_usb_mt->finger[cnt].y 196 = cpu_to_be16(dwav_raw->y4); 197 break; 198 case 4: 199 dwav_usb_mt->finger[cnt].x 200 = cpu_to_be16(dwav_raw->x5); 201 dwav_usb_mt->finger[cnt].y 202 = cpu_to_be16(dwav_raw->y5); 203 break; 204 default: 205 break; 206 } 207 } else { 208 if (dwav_usb_mt->finger[cnt].status == TS_EVENT_PRESS) 209 dwav_usb_mt->finger[cnt].status 210 = TS_EVENT_RELEASE; 211 else 212 dwav_usb_mt->finger[cnt].status 213 = TS_EVENT_UNKNOWN; 214 } 215 } 216 dwav_usb_mt_report(dwav_usb_mt); 217 } 218 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org