tree: https://github.com/AsahiLinux/linux bits/070-audio head: 63a99f1a44208593f5a423b5378824abc2246988 commit: 87fbc71e4e06939d5036c063908f76f03e88abae [4/10] dmaengine: apple-admac: Add Apple ADMAC driver config: csky-allyesconfig (https://download.01.org/0day-ci/archive/20220119/202201190747.aM6P94bs-lk...) compiler: csky-linux-gcc (GCC) 11.2.0 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/87fbc71e4e06939d5036c063908f76... git remote add asahilinux https://github.com/AsahiLinux/linux git fetch --no-tags asahilinux bits/070-audio git checkout 87fbc71e4e06939d5036c063908f76f03e88abae # save the config file to linux build tree mkdir build_dir COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-11.2.0 make.cross O=build_dir ARCH=csky SHELL=/bin/bash If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp(a)intel.com&gt; All errors (new ones prefixed by >>): drivers/dma/apple-admac.c:125:5: warning: no previous prototype for 'admac_alloc_chan_resources' [-Wmissing-prototypes] 125 | int admac_alloc_chan_resources(struct dma_chan *chan) | ^~~~~~~~~~~~~~~~~~~~~~~~~~ drivers/dma/apple-admac.c:130:6: warning: no previous prototype for 'admac_free_chan_resources' [-Wmissing-prototypes] 130 | void admac_free_chan_resources(struct dma_chan *chan) | ^~~~~~~~~~~~~~~~~~~~~~~~~ drivers/dma/apple-admac.c:135:5: warning: no previous prototype for 'admac_ring_noccupied_slots' [-Wmissing-prototypes] 135 | int admac_ring_noccupied_slots(int ringval) | ^~~~~~~~~~~~~~~~~~~~~~~~~~ drivers/dma/apple-admac.c: In function 'admac_ring_noccupied_slots': 137 | int wrslot = FIELD_GET(RING_WRITE_SLOT, ringval); | ^~~~~~~~~ | FOLL_GET drivers/dma/apple-admac.c: At top level: drivers/dma/apple-admac.c:155:5: warning: no previous prototype for 'admac_cyclic_read_residue' [-Wmissing-prototypes] 155 | u32 admac_cyclic_read_residue(struct admac_data *ad, int channo, struct admac_tx *adtx) | ^~~~~~~~~~~~~~~~~~~~~~~~~ drivers/dma/apple-admac.c:181:17: warning: no previous prototype for 'admac_tx_status' [-Wmissing-prototypes] 181 | enum dma_status admac_tx_status(struct dma_chan *chan, dma_cookie_t cookie, | ^~~~~~~~~~~~~~~ In file included from include/linux/printk.h:555, from include/asm-generic/bug.h:22, from arch/csky/include/asm/bug.h:18, from include/linux/bug.h:5, from include/linux/thread_info.h:13, from include/asm-generic/current.h:5, from ./arch/csky/include/generated/asm/current.h:1, from include/linux/sched.h:12, from include/linux/ratelimit.h:6, from include/linux/dev_printk.h:16, from include/linux/device.h:15, from drivers/dma/apple-admac.c:2: drivers/dma/apple-admac.c: In function 'admac_tx_status': drivers/dma/apple-admac.c:221:34: warning: format '%lx' expects argument of type 'long unsigned int', but argument 5 has type 'size_t' {aka 'unsigned int'} [-Wformat=] 221 | dev_dbg(ad->dev, "ch%d residue: %lx, (%ld%%)\n", adchan->no, | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ include/linux/dynamic_debug.h:134:29: note: in definition of macro '__dynamic_func_call' 134 | func(&id, ##__VA_ARGS__); \ | ^~~~~~~~~~~ include/linux/dynamic_debug.h:166:9: note: in expansion of macro '_dynamic_func_call' 166 | _dynamic_func_call(fmt,__dynamic_dev_dbg, \ | ^~~~~~~~~~~~~~~~~~ include/linux/dev_printk.h:155:9: note: in expansion of macro 'dynamic_dev_dbg' 155 | dynamic_dev_dbg(dev, dev_fmt(fmt), ##__VA_ARGS__) | ^~~~~~~~~~~~~~~ include/linux/dev_printk.h:155:30: note: in expansion of macro 'dev_fmt' 155 | dynamic_dev_dbg(dev, dev_fmt(fmt), ##__VA_ARGS__) | ^~~~~~~ drivers/dma/apple-admac.c:221:17: note: in expansion of macro 'dev_dbg' 221 | dev_dbg(ad->dev, "ch%d residue: %lx, (%ld%%)\n", adchan->no, | ^~~~~~~ drivers/dma/apple-admac.c:221:51: note: format string is defined here 221 | dev_dbg(ad->dev, "ch%d residue: %lx, (%ld%%)\n", adchan->no, | ~~^ | | | long unsigned int | %x In file included from include/linux/printk.h:555, from include/asm-generic/bug.h:22, from arch/csky/include/asm/bug.h:18, from include/linux/bug.h:5, from include/linux/thread_info.h:13, from include/asm-generic/current.h:5, from ./arch/csky/include/generated/asm/current.h:1, from include/linux/sched.h:12, from include/linux/ratelimit.h:6, from include/linux/dev_printk.h:16, from include/linux/device.h:15, from drivers/dma/apple-admac.c:2: drivers/dma/apple-admac.c:221:34: warning: format '%ld' expects argument of type 'long int', but argument 6 has type 'size_t' {aka 'unsigned int'} [-Wformat=] 221 | dev_dbg(ad->dev, "ch%d residue: %lx, (%ld%%)\n", adchan->no, | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ include/linux/dynamic_debug.h:134:29: note: in definition of macro '__dynamic_func_call' 134 | func(&id, ##__VA_ARGS__); \ | ^~~~~~~~~~~ include/linux/dynamic_debug.h:166:9: note: in expansion of macro '_dynamic_func_call' 166 | _dynamic_func_call(fmt,__dynamic_dev_dbg, \ | ^~~~~~~~~~~~~~~~~~ include/linux/dev_printk.h:155:9: note: in expansion of macro 'dynamic_dev_dbg' 155 | dynamic_dev_dbg(dev, dev_fmt(fmt), ##__VA_ARGS__) | ^~~~~~~~~~~~~~~ include/linux/dev_printk.h:155:30: note: in expansion of macro 'dev_fmt' 155 | dynamic_dev_dbg(dev, dev_fmt(fmt), ##__VA_ARGS__) | ^~~~~~~ drivers/dma/apple-admac.c:221:17: note: in expansion of macro 'dev_dbg' 221 | dev_dbg(ad->dev, "ch%d residue: %lx, (%ld%%)\n", adchan->no, | ^~~~~~~ drivers/dma/apple-admac.c:221:57: note: format string is defined here 221 | dev_dbg(ad->dev, "ch%d residue: %lx, (%ld%%)\n", adchan->no, | ~~^ | | | long int | %d drivers/dma/apple-admac.c: At top level: drivers/dma/apple-admac.c:228:6: warning: no previous prototype for 'admac_start' [-Wmissing-prototypes] 228 | void admac_start(struct admac_chan *adchan) | ^~~~~~~~~~~ drivers/dma/apple-admac.c:244:6: warning: no previous prototype for 'admac_issue_pending' [-Wmissing-prototypes] 244 | void admac_issue_pending(struct dma_chan *chan) | ^~~~~~~~~~~~~~~~~~~ drivers/dma/apple-admac.c:263:5: warning: no previous prototype for 'admac_pause' [-Wmissing-prototypes] 263 | int admac_pause(struct dma_chan *chan) | ^~~~~~~~~~~ drivers/dma/apple-admac.c:272:5: warning: no previous prototype for 'admac_resume' [-Wmissing-prototypes] 272 | int admac_resume(struct dma_chan *chan) | ^~~~~~~~~~~~ drivers/dma/apple-admac.c:281:5: warning: no previous prototype for 'admac_terminate_all' [-Wmissing-prototypes] 281 | int admac_terminate_all(struct dma_chan *chan) | ^~~~~~~~~~~~~~~~~~~ drivers/dma/apple-admac.c:303:14: warning: no previous prototype for 'admac_tx_submit' [-Wmissing-prototypes] vim +137 drivers/dma/apple-admac.c 134 135 int admac_ring_noccupied_slots(int ringval) 136 { 138 int rdslot = FIELD_GET(RING_READ_SLOT, ringval); 139 140 if (wrslot != rdslot) { 141 return (wrslot + 4 - rdslot) % 4; 142 } else { 143 WARN_ON((ringval & (RING_FULL | RING_EMPTY)) == 0); 144 145 if (ringval & RING_FULL) 146 return 4; 147 else 148 return 0; 149 } 150 } 151 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org