Hi Andy, I love your patch! Perhaps something to improve: [auto build test WARNING on linus/master] [also build test WARNING on v5.14-rc5] [cannot apply to net-next/master next-20210813] [If your patch is applied to the wrong git tree, kindly drop us a note. And when submitting patch, we suggest to use '--base' as documented in https://git-scm.com/docs/git-format-patch] url: https://github.com/0day-ci/linux/commits/Andy-Shevchenko/ptp_ocp-Switch-t... base: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git f8e6dfc64f6135d1b6c5215c14cd30b9b60a0008 config: arc-allyesconfig (attached as .config) compiler: arceb-elf-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/0day-ci/linux/commit/6366fc4d87438e21b0bdf4d4f680a5ec5... git remote add linux-review https://github.com/0day-ci/linux git fetch --no-tags linux-review Andy-Shevchenko/ptp_ocp-Switch-to-use-module_pci_driver-macro/20210813-202935 git checkout 6366fc4d87438e21b0bdf4d4f680a5ec582740ad # save the attached .config to linux build tree COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-11.2.0 make.cross ARCH=arc 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 >>): In file included from include/linux/device.h:15, from include/linux/pci.h:37, from drivers/ptp/ptp_ocp.c:8: drivers/ptp/ptp_ocp.c: In function 'ptp_ocp_tod_info': 276 | dev_info(&bp->pdev->dev, "utc_offset: %d valid:%d leap_valid:%d\n", | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ include/linux/dev_printk.h:19:22: note: in definition of macro 'dev_fmt' 19 | #define dev_fmt(fmt) fmt | ^~~ drivers/ptp/ptp_ocp.c:276:9: note: in expansion of macro 'dev_info' 276 | dev_info(&bp->pdev->dev, "utc_offset: %d valid:%d leap_valid:%d\n", | ^~~~~~~~ drivers/ptp/ptp_ocp.c:276:48: note: format string is defined here 276 | dev_info(&bp->pdev->dev, "utc_offset: %d valid:%d leap_valid:%d\n", | ~^ | | | int | %ld vim +276 drivers/ptp/ptp_ocp.c a7e1abad13f3f0 Jonathan Lemon 2020-12-03 234 a7e1abad13f3f0 Jonathan Lemon 2020-12-03 235 static void a7e1abad13f3f0 Jonathan Lemon 2020-12-03 236 ptp_ocp_tod_info(struct ptp_ocp *bp) a7e1abad13f3f0 Jonathan Lemon 2020-12-03 237 { a7e1abad13f3f0 Jonathan Lemon 2020-12-03 238 static const char * const proto_name[] = { a7e1abad13f3f0 Jonathan Lemon 2020-12-03 239 "NMEA", "NMEA_ZDA", "NMEA_RMC", "NMEA_none", a7e1abad13f3f0 Jonathan Lemon 2020-12-03 240 "UBX", "UBX_UTC", "UBX_LS", "UBX_none" a7e1abad13f3f0 Jonathan Lemon 2020-12-03 241 }; a7e1abad13f3f0 Jonathan Lemon 2020-12-03 242 static const char * const gnss_name[] = { a7e1abad13f3f0 Jonathan Lemon 2020-12-03 243 "ALL", "COMBINED", "GPS", "GLONASS", "GALILEO", "BEIDOU", a7e1abad13f3f0 Jonathan Lemon 2020-12-03 244 }; a7e1abad13f3f0 Jonathan Lemon 2020-12-03 245 u32 version, ctrl, reg; a7e1abad13f3f0 Jonathan Lemon 2020-12-03 246 int idx; a7e1abad13f3f0 Jonathan Lemon 2020-12-03 247 a7e1abad13f3f0 Jonathan Lemon 2020-12-03 248 version = ioread32(&bp->tod->version); a7e1abad13f3f0 Jonathan Lemon 2020-12-03 249 dev_info(&bp->pdev->dev, "TOD Version %d.%d.%d\n", a7e1abad13f3f0 Jonathan Lemon 2020-12-03 250 version >> 24, (version >> 16) & 0xff, version & 0xffff); a7e1abad13f3f0 Jonathan Lemon 2020-12-03 251 a7e1abad13f3f0 Jonathan Lemon 2020-12-03 252 ctrl = ioread32(&bp->tod->ctrl); a7e1abad13f3f0 Jonathan Lemon 2020-12-03 253 ctrl |= TOD_CTRL_PROTOCOL | TOD_CTRL_ENABLE; a7e1abad13f3f0 Jonathan Lemon 2020-12-03 254 ctrl &= ~(TOD_CTRL_DISABLE_FMT_A | TOD_CTRL_DISABLE_FMT_B); a7e1abad13f3f0 Jonathan Lemon 2020-12-03 255 iowrite32(ctrl, &bp->tod->ctrl); a7e1abad13f3f0 Jonathan Lemon 2020-12-03 256 a7e1abad13f3f0 Jonathan Lemon 2020-12-03 257 ctrl = ioread32(&bp->tod->ctrl); a7e1abad13f3f0 Jonathan Lemon 2020-12-03 258 idx = ctrl & TOD_CTRL_PROTOCOL ? 4 : 0; a7e1abad13f3f0 Jonathan Lemon 2020-12-03 259 idx += (ctrl >> 16) & 3; a7e1abad13f3f0 Jonathan Lemon 2020-12-03 260 dev_info(&bp->pdev->dev, "control: %x\n", ctrl); a7e1abad13f3f0 Jonathan Lemon 2020-12-03 261 dev_info(&bp->pdev->dev, "TOD Protocol %s %s\n", proto_name[idx], a7e1abad13f3f0 Jonathan Lemon 2020-12-03 262 ctrl & TOD_CTRL_ENABLE ? "enabled" : ""); a7e1abad13f3f0 Jonathan Lemon 2020-12-03 263 a7e1abad13f3f0 Jonathan Lemon 2020-12-03 264 idx = (ctrl >> TOD_CTRL_GNSS_SHIFT) & TOD_CTRL_GNSS_MASK; a7e1abad13f3f0 Jonathan Lemon 2020-12-03 265 if (idx < ARRAY_SIZE(gnss_name)) a7e1abad13f3f0 Jonathan Lemon 2020-12-03 266 dev_info(&bp->pdev->dev, "GNSS %s\n", gnss_name[idx]); a7e1abad13f3f0 Jonathan Lemon 2020-12-03 267 a7e1abad13f3f0 Jonathan Lemon 2020-12-03 268 reg = ioread32(&bp->tod->status); a7e1abad13f3f0 Jonathan Lemon 2020-12-03 269 dev_info(&bp->pdev->dev, "status: %x\n", reg); a7e1abad13f3f0 Jonathan Lemon 2020-12-03 270 a7e1abad13f3f0 Jonathan Lemon 2020-12-03 271 reg = ioread32(&bp->tod->correction_sec); a7e1abad13f3f0 Jonathan Lemon 2020-12-03 272 dev_info(&bp->pdev->dev, "correction: %d\n", reg); a7e1abad13f3f0 Jonathan Lemon 2020-12-03 273 a7e1abad13f3f0 Jonathan Lemon 2020-12-03 274 reg = ioread32(&bp->tod->utc_status); a7e1abad13f3f0 Jonathan Lemon 2020-12-03 275 dev_info(&bp->pdev->dev, "utc_status: %x\n", reg); a7e1abad13f3f0 Jonathan Lemon 2020-12-03 @276 dev_info(&bp->pdev->dev, "utc_offset: %d valid:%d leap_valid:%d\n", a7e1abad13f3f0 Jonathan Lemon 2020-12-03 277 reg & TOD_STATUS_UTC_MASK, reg & TOD_STATUS_UTC_VALID ? 1 : 0, a7e1abad13f3f0 Jonathan Lemon 2020-12-03 278 reg & TOD_STATUS_LEAP_VALID ? 1 : 0); a7e1abad13f3f0 Jonathan Lemon 2020-12-03 279 } a7e1abad13f3f0 Jonathan Lemon 2020-12-03 280 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org