Hi Samuel, First bad commit (maybe != root cause):
tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master head: 23859ae44402f4d935b9ee548135dd1e65e2cbf4 commit: 2067fd92d75b6d9085a43caf050bca5d88c491b8 staging/speakup: Move out of staging date: 3 months ago config: m68k-randconfig-s031-20201029 (attached as .config) compiler: m68k-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: v0.6.3-56-gc09e8239-dirty # https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=2067fd92d75b6d9085a43caf050bca5d88c491b8 git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git git fetch --no-tags linus master git checkout 2067fd92d75b6d9085a43caf050bca5d88c491b8 # 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=m68k If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <l...@intel.com> "sparse warnings: (new ones prefixed by >>)" >> drivers/accessibility/speakup/speakup_dtlk.c:334:28: sparse: sparse: cast to >> restricted __le16 >> drivers/accessibility/speakup/speakup_dtlk.c:334:28: sparse: sparse: cast to >> restricted __le16 >> drivers/accessibility/speakup/speakup_dtlk.c:334:28: sparse: sparse: cast to >> restricted __le16 >> drivers/accessibility/speakup/speakup_dtlk.c:334:28: sparse: sparse: cast to >> restricted __le16 drivers/accessibility/speakup/speakup_dtlk.c:341:36: sparse: sparse: cast to restricted __le16 drivers/accessibility/speakup/speakup_dtlk.c:341:36: sparse: sparse: cast to restricted __le16 drivers/accessibility/speakup/speakup_dtlk.c:341:36: sparse: sparse: cast to restricted __le16 drivers/accessibility/speakup/speakup_dtlk.c:341:36: sparse: sparse: cast to restricted __le16 drivers/accessibility/speakup/speakup_dtlk.c:358:16: sparse: sparse: cast to restricted __le16 drivers/accessibility/speakup/speakup_dtlk.c:358:16: sparse: sparse: cast to restricted __le16 drivers/accessibility/speakup/speakup_dtlk.c:358:16: sparse: sparse: cast to restricted __le16 drivers/accessibility/speakup/speakup_dtlk.c:358:16: sparse: sparse: cast to restricted __le16 -- >> drivers/accessibility/speakup/serialio.c:139:9: sparse: sparse: incompatible >> types in conditional expression (different base types): >> drivers/accessibility/speakup/serialio.c:139:9: sparse: unsigned char >> drivers/accessibility/speakup/serialio.c:139:9: sparse: void drivers/accessibility/speakup/serialio.c:142:9: sparse: sparse: incompatible types in conditional expression (different base types): drivers/accessibility/speakup/serialio.c:142:9: sparse: unsigned char drivers/accessibility/speakup/serialio.c:142:9: sparse: void drivers/accessibility/speakup/serialio.c:148:9: sparse: sparse: incompatible types in conditional expression (different base types): drivers/accessibility/speakup/serialio.c:148:9: sparse: unsigned char drivers/accessibility/speakup/serialio.c:148:9: sparse: void drivers/accessibility/speakup/serialio.c:160:9: sparse: sparse: incompatible types in conditional expression (different base types): drivers/accessibility/speakup/serialio.c:160:9: sparse: unsigned char drivers/accessibility/speakup/serialio.c:160:9: sparse: void drivers/accessibility/speakup/serialio.c:167:9: sparse: sparse: incompatible types in conditional expression (different base types): drivers/accessibility/speakup/serialio.c:167:9: sparse: unsigned char drivers/accessibility/speakup/serialio.c:167:9: sparse: void drivers/accessibility/speakup/serialio.c:87:9: sparse: sparse: incompatible types in conditional expression (different base types): drivers/accessibility/speakup/serialio.c:87:9: sparse: unsigned char drivers/accessibility/speakup/serialio.c:87:9: sparse: void drivers/accessibility/speakup/serialio.c:88:9: sparse: sparse: incompatible types in conditional expression (different base types): drivers/accessibility/speakup/serialio.c:88:9: sparse: unsigned char drivers/accessibility/speakup/serialio.c:88:9: sparse: void drivers/accessibility/speakup/serialio.c:89:9: sparse: sparse: incompatible types in conditional expression (different base types): drivers/accessibility/speakup/serialio.c:89:9: sparse: unsigned char drivers/accessibility/speakup/serialio.c:89:9: sparse: void drivers/accessibility/speakup/serialio.c:90:9: sparse: sparse: incompatible types in conditional expression (different base types): drivers/accessibility/speakup/serialio.c:90:9: sparse: unsigned char drivers/accessibility/speakup/serialio.c:90:9: sparse: void drivers/accessibility/speakup/serialio.c:93:9: sparse: sparse: incompatible types in conditional expression (different base types): drivers/accessibility/speakup/serialio.c:93:9: sparse: unsigned char drivers/accessibility/speakup/serialio.c:93:9: sparse: void drivers/accessibility/speakup/serialio.c:94:9: sparse: sparse: incompatible types in conditional expression (different base types): drivers/accessibility/speakup/serialio.c:94:9: sparse: unsigned char drivers/accessibility/speakup/serialio.c:94:9: sparse: void drivers/accessibility/speakup/serialio.c:208:9: sparse: sparse: incompatible types in conditional expression (different base types): drivers/accessibility/speakup/serialio.c:208:9: sparse: unsigned char drivers/accessibility/speakup/serialio.c:208:9: sparse: void drivers/accessibility/speakup/serialio.c:299:25: sparse: sparse: incompatible types in conditional expression (different base types): drivers/accessibility/speakup/serialio.c:299:25: sparse: unsigned char drivers/accessibility/speakup/serialio.c:299:25: sparse: void vim +334 drivers/accessibility/speakup/speakup_dtlk.c c6e3fd22cd53836 drivers/staging/speakup/speakup_dtlk.c William Hubbs 2010-10-07 315 c6e3fd22cd53836 drivers/staging/speakup/speakup_dtlk.c William Hubbs 2010-10-07 316 static int synth_probe(struct spk_synth *synth) c6e3fd22cd53836 drivers/staging/speakup/speakup_dtlk.c William Hubbs 2010-10-07 317 { c6e3fd22cd53836 drivers/staging/speakup/speakup_dtlk.c William Hubbs 2010-10-07 318 unsigned int port_val = 0; c6e3fd22cd53836 drivers/staging/speakup/speakup_dtlk.c William Hubbs 2010-10-07 319 int i = 0; c6e3fd22cd53836 drivers/staging/speakup/speakup_dtlk.c William Hubbs 2010-10-07 320 struct synth_settings *sp; 8e69a8110686572 drivers/staging/speakup/speakup_dtlk.c Domagoj Trsan 2014-09-09 321 c6e3fd22cd53836 drivers/staging/speakup/speakup_dtlk.c William Hubbs 2010-10-07 322 pr_info("Probing for DoubleTalk.\n"); c6e3fd22cd53836 drivers/staging/speakup/speakup_dtlk.c William Hubbs 2010-10-07 323 if (port_forced) { c6e3fd22cd53836 drivers/staging/speakup/speakup_dtlk.c William Hubbs 2010-10-07 324 speakup_info.port_tts = port_forced; c6e3fd22cd53836 drivers/staging/speakup/speakup_dtlk.c William Hubbs 2010-10-07 325 pr_info("probe forced to %x by kernel command line\n", c6e3fd22cd53836 drivers/staging/speakup/speakup_dtlk.c William Hubbs 2010-10-07 326 speakup_info.port_tts); c6e3fd22cd53836 drivers/staging/speakup/speakup_dtlk.c William Hubbs 2010-10-07 327 if ((port_forced & 0xf) != 0xf) c6e3fd22cd53836 drivers/staging/speakup/speakup_dtlk.c William Hubbs 2010-10-07 328 pr_info("warning: port base should probably end with f\n"); c6e3fd22cd53836 drivers/staging/speakup/speakup_dtlk.c William Hubbs 2010-10-07 329 if (synth_request_region(speakup_info.port_tts - 1, c6e3fd22cd53836 drivers/staging/speakup/speakup_dtlk.c William Hubbs 2010-10-07 330 SYNTH_IO_EXTENT)) { c6e3fd22cd53836 drivers/staging/speakup/speakup_dtlk.c William Hubbs 2010-10-07 331 pr_warn("sorry, port already reserved\n"); c6e3fd22cd53836 drivers/staging/speakup/speakup_dtlk.c William Hubbs 2010-10-07 332 return -EBUSY; c6e3fd22cd53836 drivers/staging/speakup/speakup_dtlk.c William Hubbs 2010-10-07 333 } c6e3fd22cd53836 drivers/staging/speakup/speakup_dtlk.c William Hubbs 2010-10-07 @334 port_val = inw(speakup_info.port_tts - 1); c6e3fd22cd53836 drivers/staging/speakup/speakup_dtlk.c William Hubbs 2010-10-07 335 synth_lpc = speakup_info.port_tts - 1; c6e3fd22cd53836 drivers/staging/speakup/speakup_dtlk.c William Hubbs 2010-10-07 336 } else { c6e3fd22cd53836 drivers/staging/speakup/speakup_dtlk.c William Hubbs 2010-10-07 337 for (i = 0; synth_portlist[i]; i++) { c6e3fd22cd53836 drivers/staging/speakup/speakup_dtlk.c William Hubbs 2010-10-07 338 if (synth_request_region(synth_portlist[i], c6e3fd22cd53836 drivers/staging/speakup/speakup_dtlk.c William Hubbs 2010-10-07 339 SYNTH_IO_EXTENT)) c6e3fd22cd53836 drivers/staging/speakup/speakup_dtlk.c William Hubbs 2010-10-07 340 continue; c6e3fd22cd53836 drivers/staging/speakup/speakup_dtlk.c William Hubbs 2010-10-07 341 port_val = inw(synth_portlist[i]) & 0xfbff; c6e3fd22cd53836 drivers/staging/speakup/speakup_dtlk.c William Hubbs 2010-10-07 342 if (port_val == 0x107f) { c6e3fd22cd53836 drivers/staging/speakup/speakup_dtlk.c William Hubbs 2010-10-07 343 synth_lpc = synth_portlist[i]; c6e3fd22cd53836 drivers/staging/speakup/speakup_dtlk.c William Hubbs 2010-10-07 344 speakup_info.port_tts = synth_lpc + 1; c6e3fd22cd53836 drivers/staging/speakup/speakup_dtlk.c William Hubbs 2010-10-07 345 break; c6e3fd22cd53836 drivers/staging/speakup/speakup_dtlk.c William Hubbs 2010-10-07 346 } c6e3fd22cd53836 drivers/staging/speakup/speakup_dtlk.c William Hubbs 2010-10-07 347 synth_release_region(synth_portlist[i], c6e3fd22cd53836 drivers/staging/speakup/speakup_dtlk.c William Hubbs 2010-10-07 348 SYNTH_IO_EXTENT); c6e3fd22cd53836 drivers/staging/speakup/speakup_dtlk.c William Hubbs 2010-10-07 349 } c6e3fd22cd53836 drivers/staging/speakup/speakup_dtlk.c William Hubbs 2010-10-07 350 } c6e3fd22cd53836 drivers/staging/speakup/speakup_dtlk.c William Hubbs 2010-10-07 351 port_val &= 0xfbff; c6e3fd22cd53836 drivers/staging/speakup/speakup_dtlk.c William Hubbs 2010-10-07 352 if (port_val != 0x107f) { c6e3fd22cd53836 drivers/staging/speakup/speakup_dtlk.c William Hubbs 2010-10-07 353 pr_info("DoubleTalk PC: not found\n"); 7aa4d5c8ffed00f drivers/staging/speakup/speakup_dtlk.c Alan Cox 2014-12-15 354 if (synth_lpc) c6e3fd22cd53836 drivers/staging/speakup/speakup_dtlk.c William Hubbs 2010-10-07 355 synth_release_region(synth_lpc, SYNTH_IO_EXTENT); c6e3fd22cd53836 drivers/staging/speakup/speakup_dtlk.c William Hubbs 2010-10-07 356 return -ENODEV; c6e3fd22cd53836 drivers/staging/speakup/speakup_dtlk.c William Hubbs 2010-10-07 357 } c6e3fd22cd53836 drivers/staging/speakup/speakup_dtlk.c William Hubbs 2010-10-07 358 while (inw_p(synth_lpc) != 0x147f) c6e3fd22cd53836 drivers/staging/speakup/speakup_dtlk.c William Hubbs 2010-10-07 359 cpu_relax(); /* wait until it's ready */ c6e3fd22cd53836 drivers/staging/speakup/speakup_dtlk.c William Hubbs 2010-10-07 360 sp = synth_interrogate(synth); c6e3fd22cd53836 drivers/staging/speakup/speakup_dtlk.c William Hubbs 2010-10-07 361 pr_info("%s: %03x-%03x, ROM ver %s, s/n %u, driver: %s\n", c6e3fd22cd53836 drivers/staging/speakup/speakup_dtlk.c William Hubbs 2010-10-07 362 synth->long_name, synth_lpc, synth_lpc + SYNTH_IO_EXTENT - 1, c6e3fd22cd53836 drivers/staging/speakup/speakup_dtlk.c William Hubbs 2010-10-07 363 sp->rom_version, sp->serial_number, synth->version); c6e3fd22cd53836 drivers/staging/speakup/speakup_dtlk.c William Hubbs 2010-10-07 364 synth->alive = 1; c6e3fd22cd53836 drivers/staging/speakup/speakup_dtlk.c William Hubbs 2010-10-07 365 return 0; c6e3fd22cd53836 drivers/staging/speakup/speakup_dtlk.c William Hubbs 2010-10-07 366 } c6e3fd22cd53836 drivers/staging/speakup/speakup_dtlk.c William Hubbs 2010-10-07 367 :::::: The code at line 334 was first introduced by commit :::::: c6e3fd22cd538365bfeb82997d5b89562e077d42 Staging: add speakup to the staging directory :::::: TO: William Hubbs <w.d.hu...@gmail.com> :::::: CC: Greg Kroah-Hartman <gre...@suse.de> --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-...@lists.01.org
.config.gz
Description: application/gzip
