tree: https://github.com/AsahiLinux/linux asahi head: b63c1083b20eefa3b23180ae57e1919c723f7d86 commit: b63c1083b20eefa3b23180ae57e1919c723f7d86 [63/63] WIP: HID: Add hid-appleft for Apple Macbook Trackpads config: hexagon-randconfig-r021-20211216 (https://download.01.org/0day-ci/archive/20211217/202112170404.zf3tjug6-lk...) compiler: clang version 14.0.0 (https://github.com/llvm/llvm-project dd245bab9fbb364faa1581e4f92ba3119a872fba) 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/AsahiLinux/linux/commit/b63c1083b20eefa3b23180ae57e191... git remote add asahilinux https://github.com/AsahiLinux/linux git fetch --no-tags asahilinux asahi git checkout b63c1083b20eefa3b23180ae57e1919c723f7d86 # save the config file to linux build tree mkdir build_dir COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=hexagon SHELL=/bin/bash drivers/hid/ If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp(a)intel.com&gt; All warnings (new ones prefixed by >>): hid_dbg(hdev, "ev x:%04hx y:%04hx\n", le16_to_int(f->abs_x), ~~~~~ ^~~~~~~~~~~~~~~~~~~~~ %04x include/linux/hid.h:1182:30: note: expanded from macro 'hid_dbg' dev_dbg(&(hid)->dev, fmt, ##__VA_ARGS__) ~~~ ^~~~~~~~~~~ include/linux/dev_printk.h:163:47: note: expanded from macro 'dev_dbg' dev_printk(KERN_DEBUG, dev, dev_fmt(fmt), ##__VA_ARGS__); \ ~~~ ^~~~~~~~~~~ include/linux/dev_printk.h:129:34: note: expanded from macro 'dev_printk' _dev_printk(level, dev, fmt, ##__VA_ARGS__); \ ~~~ ^~~~~~~~~~~ drivers/hid/hid-appleft.c:197:4: warning: format specifies type 'unsigned short' but the argument has type 'int' [-Wformat] le16_to_int(f->abs_y)); ^~~~~~~~~~~~~~~~~~~~~ include/linux/hid.h:1182:30: note: expanded from macro 'hid_dbg' dev_dbg(&(hid)->dev, fmt, ##__VA_ARGS__) ~~~ ^~~~~~~~~~~ include/linux/dev_printk.h:163:47: note: expanded from macro 'dev_dbg' dev_printk(KERN_DEBUG, dev, dev_fmt(fmt), ##__VA_ARGS__); \ ~~~ ^~~~~~~~~~~ include/linux/dev_printk.h:129:34: note: expanded from macro 'dev_printk' _dev_printk(level, dev, fmt, ##__VA_ARGS__); \ ~~~ ^~~~~~~~~~~ 2 warnings generated. vim +196 drivers/hid/hid-appleft.c 155 156 static int appleft_raw_event(struct hid_device *hdev, struct hid_report *report, 157 u8 *data, int size) 158 { 159 struct appleft_sc *asc = hid_get_drvdata(hdev); 160 struct input_dev *input = asc->input; 161 struct tp_header *tp_hdr; 162 struct tp_finger *f; 163 int i, n; 164 u32 npoints; 165 const size_t hdr_sz = sizeof(struct tp_header); 166 const size_t touch_sz = sizeof(struct tp_finger); 167 168 // hid_warn(hdev, "%s\n", __func__); 169 // print_hex_dump_debug("appleft ev: ", DUMP_PREFIX_OFFSET, 16, 1, data, 170 // size, false); 171 172 if (data[0] != TRACKPAD_SPI_REPORT_ID) 173 return 0; 174 175 /* Expect 46 bytes of prefix, and N * 30 bytes of touch data. */ 176 if (size < hdr_sz || ((size - hdr_sz) % touch_sz) != 0) 177 return 0; 178 179 tp_hdr = (struct tp_header *)data; 180 181 npoints = (size - hdr_sz) / touch_sz; 182 if (npoints < tp_hdr->num_fingers || npoints > MAX_CONTACTS) { 183 hid_warn(hdev, 184 "unexpected number of touches (%u) for " 185 "report\n", 186 npoints); 187 return 0; 188 } 189 190 n = 0; 191 for (i = 0; i < tp_hdr->num_fingers; i++) { 192 f = (struct tp_finger *)(data + hdr_sz + i * touch_sz); 193 if (le16_to_int(f->touch_major) == 0) 194 continue; 195 197 le16_to_int(f->abs_y)); 198 asc->pos[n].x = le16_to_int(f->abs_x); 199 asc->pos[n].y = asc->y_min + asc->y_max - le16_to_int(f->abs_y); 200 asc->map_contacs[n] = i; 201 n++; 202 } 203 204 input_mt_assign_slots(input, asc->slots, asc->pos, n, 0); 205 206 for (i = 0; i < n; i++) { 207 int idx = asc->map_contacs[i]; 208 f = (struct tp_finger *)(data + hdr_sz + idx * touch_sz); 209 report_finger_data(input, asc->slots[i], &asc->pos[i], f); 210 } 211 212 input_mt_sync_frame(input); 213 input_report_key(input, BTN_MOUSE, data[1] & 1); 214 215 input_sync(input); 216 return 1; 217 } 218 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org