tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master head: cc675d22e422442f6d230654a55a5fc5682ea018 commit: 30b5e6ef4a32ea4985b99200e06d6660a69f9246 m68k: atari: Make Atari ROM port I/O write macros return void date: 6 months ago config: m68k-randconfig-s052-20221117 compiler: m68k-linux-gcc (GCC) 12.1.0 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: v0.6.4-39-gce1a6720-dirty # https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=30b5e6ef4a32ea4985b99200e06d6660a69f9246 git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git git fetch --no-tags linus master git checkout 30b5e6ef4a32ea4985b99200e06d6660a69f9246 # save the config file mkdir build_dir && cp config build_dir/.config COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-12.1.0 make.cross C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' O=build_dir ARCH=m68k SHELL=/bin/bash drivers/comedi/drivers/ If you fix the issue, kindly add following tag where applicable | Reported-by: kernel test robot sparse warnings: (new ones prefixed by >>) >> drivers/comedi/drivers/das16m1.c:343:23: sparse: sparse: cast to restricted __le16 >> drivers/comedi/drivers/das16m1.c:343:23: sparse: sparse: cast to restricted __le16 >> drivers/comedi/drivers/das16m1.c:343:23: sparse: sparse: cast to restricted __le16 >> drivers/comedi/drivers/das16m1.c:343:23: sparse: sparse: cast to restricted __le16 drivers/comedi/drivers/das16m1.c: note: in included file (through arch/m68k/include/asm/io_mm.h, arch/m68k/include/asm/io.h, include/linux/io.h, ...): arch/m68k/include/asm/raw_io.h:457:26: sparse: sparse: cast to restricted __le16 arch/m68k/include/asm/raw_io.h:457:26: sparse: sparse: cast to restricted __le16 arch/m68k/include/asm/raw_io.h:457:26: sparse: sparse: cast to restricted __le16 arch/m68k/include/asm/raw_io.h:457:26: sparse: sparse: cast to restricted __le16 -- >> drivers/comedi/drivers/ni_daq_700.c:163:17: sparse: sparse: cast to restricted __le16 >> drivers/comedi/drivers/ni_daq_700.c:163:17: sparse: sparse: cast to restricted __le16 >> drivers/comedi/drivers/ni_daq_700.c:163:17: sparse: sparse: cast to restricted __le16 >> drivers/comedi/drivers/ni_daq_700.c:163:17: sparse: sparse: cast to restricted __le16 drivers/comedi/drivers/ni_daq_700.c:173:21: sparse: sparse: cast to restricted __le16 drivers/comedi/drivers/ni_daq_700.c:173:21: sparse: sparse: cast to restricted __le16 drivers/comedi/drivers/ni_daq_700.c:173:21: sparse: sparse: cast to restricted __le16 drivers/comedi/drivers/ni_daq_700.c:173:21: sparse: sparse: cast to restricted __le16 drivers/comedi/drivers/ni_daq_700.c:205:9: sparse: sparse: cast to restricted __le16 drivers/comedi/drivers/ni_daq_700.c:205:9: sparse: sparse: cast to restricted __le16 drivers/comedi/drivers/ni_daq_700.c:205:9: sparse: sparse: cast to restricted __le16 drivers/comedi/drivers/ni_daq_700.c:205:9: sparse: sparse: cast to restricted __le16 vim +343 drivers/comedi/drivers/das16m1.c ab984177b3c3ff drivers/staging/comedi/drivers/das16m1.c H Hartley Sweeten 2014-02-10 320 5c8694d699d44d drivers/staging/comedi/drivers/das16m1.c H Hartley Sweeten 2016-05-03 321 static int das16m1_ai_insn_read(struct comedi_device *dev, 0a85b6f0ab0d2e drivers/staging/comedi/drivers/das16m1.c Mithlesh Thukral 2009-06-08 322 struct comedi_subdevice *s, 5c8694d699d44d drivers/staging/comedi/drivers/das16m1.c H Hartley Sweeten 2016-05-03 323 struct comedi_insn *insn, 5c8694d699d44d drivers/staging/comedi/drivers/das16m1.c H Hartley Sweeten 2016-05-03 324 unsigned int *data) 9afbebe411a0f9 drivers/staging/comedi/drivers/das16m1.c Frank Mori Hess 2009-02-18 325 { ab984177b3c3ff drivers/staging/comedi/drivers/das16m1.c H Hartley Sweeten 2014-02-10 326 int ret; d0e50e6588e236 drivers/staging/comedi/drivers/das16m1.c H Hartley Sweeten 2016-05-03 327 int i; 9afbebe411a0f9 drivers/staging/comedi/drivers/das16m1.c Frank Mori Hess 2009-02-18 328 a70615894a0916 drivers/staging/comedi/drivers/das16m1.c H Hartley Sweeten 2016-05-03 329 das16m1_ai_set_queue(dev, &insn->chanspec, 1); 9afbebe411a0f9 drivers/staging/comedi/drivers/das16m1.c Frank Mori Hess 2009-02-18 330 d0e50e6588e236 drivers/staging/comedi/drivers/das16m1.c H Hartley Sweeten 2016-05-03 331 for (i = 0; i < insn->n; i++) { a782a851e3ba67 drivers/staging/comedi/drivers/das16m1.c H Hartley Sweeten 2016-05-03 332 unsigned short val; a782a851e3ba67 drivers/staging/comedi/drivers/das16m1.c H Hartley Sweeten 2016-05-03 333 6b62e7578b82c7 drivers/staging/comedi/drivers/das16m1.c H Hartley Sweeten 2016-05-03 334 /* clear interrupt */ 6b62e7578b82c7 drivers/staging/comedi/drivers/das16m1.c H Hartley Sweeten 2016-05-03 335 outb(0, dev->iobase + DAS16M1_CLR_INTR_REG); 9afbebe411a0f9 drivers/staging/comedi/drivers/das16m1.c Frank Mori Hess 2009-02-18 336 /* trigger conversion */ a782a851e3ba67 drivers/staging/comedi/drivers/das16m1.c H Hartley Sweeten 2016-05-03 337 outb(0, dev->iobase + DAS16M1_AI_REG); 9afbebe411a0f9 drivers/staging/comedi/drivers/das16m1.c Frank Mori Hess 2009-02-18 338 ab984177b3c3ff drivers/staging/comedi/drivers/das16m1.c H Hartley Sweeten 2014-02-10 339 ret = comedi_timeout(dev, s, insn, das16m1_ai_eoc, 0); 22ca19d93d92c7 drivers/staging/comedi/drivers/das16m1.c H Hartley Sweeten 2014-02-10 340 if (ret) ab984177b3c3ff drivers/staging/comedi/drivers/das16m1.c H Hartley Sweeten 2014-02-10 341 return ret; ab984177b3c3ff drivers/staging/comedi/drivers/das16m1.c H Hartley Sweeten 2014-02-10 342 a782a851e3ba67 drivers/staging/comedi/drivers/das16m1.c H Hartley Sweeten 2016-05-03 @343 val = inw(dev->iobase + DAS16M1_AI_REG); d0e50e6588e236 drivers/staging/comedi/drivers/das16m1.c H Hartley Sweeten 2016-05-03 344 data[i] = DAS16M1_AI_TO_SAMPLE(val); 9afbebe411a0f9 drivers/staging/comedi/drivers/das16m1.c Frank Mori Hess 2009-02-18 345 } 9afbebe411a0f9 drivers/staging/comedi/drivers/das16m1.c Frank Mori Hess 2009-02-18 346 d0e50e6588e236 drivers/staging/comedi/drivers/das16m1.c H Hartley Sweeten 2016-05-03 347 return insn->n; 9afbebe411a0f9 drivers/staging/comedi/drivers/das16m1.c Frank Mori Hess 2009-02-18 348 } 9afbebe411a0f9 drivers/staging/comedi/drivers/das16m1.c Frank Mori Hess 2009-02-18 349 :::::: The code at line 343 was first introduced by commit :::::: a782a851e3ba67e4bd8360b1429cde3ece7d6957 staging: comedi: das16m1: tidy up analog input data register defines :::::: TO: H Hartley Sweeten :::::: CC: Greg Kroah-Hartman -- 0-DAY CI Kernel Test Service https://01.org/lkp