Hi "José, Thank you for the patch! Perhaps something to improve: [auto build test WARNING on f7d8e387d9aeff963e6691c0166269b8042b4ff9] url: https://github.com/intel-lab-lkp/linux/commits/Jos-Exp-sito/Add-support-for-XP-PEN-Deco-L/20220517-021641 base: f7d8e387d9aeff963e6691c0166269b8042b4ff9 config: mips-randconfig-s032-20220516 (https://download.01.org/0day-ci/archive/20220518/202205180755.I9jze1Z4-lkp@xxxxxxxxx/config) compiler: mipsel-linux-gcc (GCC) 11.3.0 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: v0.6.4-dirty # https://github.com/intel-lab-lkp/linux/commit/d296b420a45eab3527916c73203ed045b65af58e git remote add linux-review https://github.com/intel-lab-lkp/linux git fetch --no-tags linux-review Jos-Exp-sito/Add-support-for-XP-PEN-Deco-L/20220517-021641 git checkout d296b420a45eab3527916c73203ed045b65af58e # save the config file mkdir build_dir && cp config build_dir/.config COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-11.3.0 make.cross C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' O=build_dir ARCH=mips SHELL=/bin/bash drivers/hid/ If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp@xxxxxxxxx> sparse warnings: (new ones prefixed by >>) command-line: note: in included file: builtin:1:9: sparse: sparse: preprocessor token __ATOMIC_ACQUIRE redefined builtin:0:0: sparse: this was the original definition builtin:1:9: sparse: sparse: preprocessor token __ATOMIC_SEQ_CST redefined builtin:0:0: sparse: this was the original definition builtin:1:9: sparse: sparse: preprocessor token __ATOMIC_ACQ_REL redefined builtin:0:0: sparse: this was the original definition builtin:1:9: sparse: sparse: preprocessor token __ATOMIC_RELEASE redefined builtin:0:0: sparse: this was the original definition drivers/hid/hid-uclogic-rdesc.c:1014:25: sparse: sparse: incorrect type in assignment (different base types) @@ expected signed int x @@ got restricted __le32 [usertype] @@ drivers/hid/hid-uclogic-rdesc.c:1014:25: sparse: expected signed int x drivers/hid/hid-uclogic-rdesc.c:1014:25: sparse: got restricted __le32 [usertype] >> drivers/hid/hid-uclogic-rdesc.c:1020:44: sparse: sparse: incorrect type in argument 1 (different base types) @@ expected unsigned short [usertype] val @@ got restricted __le16 [usertype] @@ drivers/hid/hid-uclogic-rdesc.c:1020:44: sparse: expected unsigned short [usertype] val drivers/hid/hid-uclogic-rdesc.c:1020:44: sparse: got restricted __le16 [usertype] vim +1020 drivers/hid/hid-uclogic-rdesc.c 974 975 const size_t uclogic_rdesc_xppen_deco01_frame_size = 976 sizeof(uclogic_rdesc_xppen_deco01_frame_arr); 977 978 /** 979 * uclogic_rdesc_template_apply() - apply report descriptor parameters to a 980 * report descriptor template, creating a report descriptor. Copies the 981 * template over to the new report descriptor and replaces every occurrence of 982 * the template placeholders, followed by an index byte, with the value from the 983 * parameter list at that index. 984 * 985 * @template_ptr: Pointer to the template buffer. 986 * @template_size: Size of the template buffer. 987 * @param_list: List of template parameters. 988 * @param_num: Number of parameters in the list. 989 * 990 * Returns: 991 * Kmalloc-allocated pointer to the created report descriptor, 992 * or NULL if allocation failed. 993 */ 994 __u8 *uclogic_rdesc_template_apply(const __u8 *template_ptr, 995 size_t template_size, 996 const s32 *param_list, 997 size_t param_num) 998 { 999 static const __u8 btn_head[] = {UCLOGIC_RDESC_FRAME_PH_BTN_HEAD}; 1000 static const __u8 pen_head[] = {UCLOGIC_RDESC_PEN_PH_HEAD}; 1001 __u8 *rdesc_ptr; 1002 __u8 *p; 1003 s32 v; 1004 1005 rdesc_ptr = kmemdup(template_ptr, template_size, GFP_KERNEL); 1006 if (rdesc_ptr == NULL) 1007 return NULL; 1008 1009 for (p = rdesc_ptr; p + sizeof(btn_head) < rdesc_ptr + template_size;) { 1010 if (p + sizeof(pen_head) < rdesc_ptr + template_size && 1011 memcmp(p, pen_head, sizeof(pen_head)) == 0 && 1012 p[sizeof(pen_head)] < param_num) { 1013 v = param_list[p[sizeof(pen_head)]]; 1014 put_unaligned(cpu_to_le32(v), (s32 *)p); 1015 p += sizeof(pen_head) + 1; 1016 } else if (memcmp(p, btn_head, sizeof(btn_head)) == 0 && 1017 p[sizeof(btn_head)] < param_num) { 1018 v = param_list[p[sizeof(btn_head)]]; 1019 put_unaligned((__u8)0x2A, p); /* Usage Maximum */ > 1020 put_unaligned_le16(cpu_to_le16(v), p + 1); -- 0-DAY CI Kernel Test Service https://01.org/lkp