Hi gpittala,
kernel test robot noticed the following build warnings:
[auto build test WARNING on staging/staging-testing]
url: https://github.com/intel-lab-lkp/linux/commits/gpittala/staging-greybus-Mult... base: staging/staging-testing patch link: https://lore.kernel.org/r/20250331213337.6171-1-ganeshkpittala%40gmail.com patch subject: [PATCH] staging: greybus: Multiple cleanups and refactors config: i386-buildonly-randconfig-004-20250401 (https://download.01.org/0day-ci/archive/20250401/202504010829.vIzweYue-lkp@i...) compiler: clang version 20.1.1 (https://github.com/llvm/llvm-project 424c2d9b7e4de40d0804dd374721e6411c27d1d1) reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20250401/202504010829.vIzweYue-lkp@i...)
If you fix the issue in a separate patch/commit (i.e. not just a new version of the same patch/commit), kindly add following tags | Reported-by: kernel test robot lkp@intel.com | Closes: https://lore.kernel.org/oe-kbuild-all/202504010829.vIzweYue-lkp@intel.com/
All warnings (new ones prefixed by >>):
drivers/staging/greybus/loopback.c:272:1: warning: invalid conversion specifier '\x0a' [-Wformat-invalid-specifier]
272 | gb_loopback_stats_attrs(latency); | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ drivers/staging/greybus/loopback.c:167:2: note: expanded from macro 'gb_loopback_stats_attrs' 167 | gb_loopback_ro_stats_attr(field, min, u); \ | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ drivers/staging/greybus/loopback.c:142:27: note: expanded from macro 'gb_loopback_ro_stats_attr' 142 | return sysfs_emit(buf, "%\n" #type "\n", gb->name.field); \ | ~^
drivers/staging/greybus/loopback.c:272:1: warning: invalid conversion specifier '\x0a' [-Wformat-invalid-specifier]
272 | gb_loopback_stats_attrs(latency); | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ drivers/staging/greybus/loopback.c:168:2: note: expanded from macro 'gb_loopback_stats_attrs' 168 | gb_loopback_ro_stats_attr(field, max, u); \ | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ drivers/staging/greybus/loopback.c:142:27: note: expanded from macro 'gb_loopback_ro_stats_attr' 142 | return sysfs_emit(buf, "%\n" #type "\n", gb->name.field); \ | ~^ drivers/staging/greybus/loopback.c:274:1: warning: invalid conversion specifier '\x0a' [-Wformat-invalid-specifier] 274 | gb_loopback_stats_attrs(requests_per_second); | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ drivers/staging/greybus/loopback.c:167:2: note: expanded from macro 'gb_loopback_stats_attrs' 167 | gb_loopback_ro_stats_attr(field, min, u); \ | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ drivers/staging/greybus/loopback.c:142:27: note: expanded from macro 'gb_loopback_ro_stats_attr' 142 | return sysfs_emit(buf, "%\n" #type "\n", gb->name.field); \ | ~^ drivers/staging/greybus/loopback.c:274:1: warning: invalid conversion specifier '\x0a' [-Wformat-invalid-specifier] 274 | gb_loopback_stats_attrs(requests_per_second); | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ drivers/staging/greybus/loopback.c:168:2: note: expanded from macro 'gb_loopback_stats_attrs' 168 | gb_loopback_ro_stats_attr(field, max, u); \ | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ drivers/staging/greybus/loopback.c:142:27: note: expanded from macro 'gb_loopback_ro_stats_attr' 142 | return sysfs_emit(buf, "%\n" #type "\n", gb->name.field); \ | ~^ drivers/staging/greybus/loopback.c:276:1: warning: invalid conversion specifier '\x0a' [-Wformat-invalid-specifier] 276 | gb_loopback_stats_attrs(throughput); | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ drivers/staging/greybus/loopback.c:167:2: note: expanded from macro 'gb_loopback_stats_attrs' 167 | gb_loopback_ro_stats_attr(field, min, u); \ | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ drivers/staging/greybus/loopback.c:142:27: note: expanded from macro 'gb_loopback_ro_stats_attr' 142 | return sysfs_emit(buf, "%\n" #type "\n", gb->name.field); \ | ~^ drivers/staging/greybus/loopback.c:276:1: warning: invalid conversion specifier '\x0a' [-Wformat-invalid-specifier] 276 | gb_loopback_stats_attrs(throughput); | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ drivers/staging/greybus/loopback.c:168:2: note: expanded from macro 'gb_loopback_stats_attrs' 168 | gb_loopback_ro_stats_attr(field, max, u); \ | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ drivers/staging/greybus/loopback.c:142:27: note: expanded from macro 'gb_loopback_ro_stats_attr' 142 | return sysfs_emit(buf, "%\n" #type "\n", gb->name.field); \ | ~^ drivers/staging/greybus/loopback.c:278:1: warning: invalid conversion specifier '\x0a' [-Wformat-invalid-specifier] 278 | gb_loopback_stats_attrs(apbridge_unipro_latency); | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ drivers/staging/greybus/loopback.c:167:2: note: expanded from macro 'gb_loopback_stats_attrs' 167 | gb_loopback_ro_stats_attr(field, min, u); \ | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ drivers/staging/greybus/loopback.c:142:27: note: expanded from macro 'gb_loopback_ro_stats_attr' 142 | return sysfs_emit(buf, "%\n" #type "\n", gb->name.field); \ | ~^ drivers/staging/greybus/loopback.c:278:1: warning: invalid conversion specifier '\x0a' [-Wformat-invalid-specifier] 278 | gb_loopback_stats_attrs(apbridge_unipro_latency); | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ drivers/staging/greybus/loopback.c:168:2: note: expanded from macro 'gb_loopback_stats_attrs' 168 | gb_loopback_ro_stats_attr(field, max, u); \ | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ drivers/staging/greybus/loopback.c:142:27: note: expanded from macro 'gb_loopback_ro_stats_attr' 142 | return sysfs_emit(buf, "%\n" #type "\n", gb->name.field); \ | ~^ drivers/staging/greybus/loopback.c:280:1: warning: invalid conversion specifier '\x0a' [-Wformat-invalid-specifier] 280 | gb_loopback_stats_attrs(gbphy_firmware_latency); | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ drivers/staging/greybus/loopback.c:167:2: note: expanded from macro 'gb_loopback_stats_attrs' 167 | gb_loopback_ro_stats_attr(field, min, u); \ | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ drivers/staging/greybus/loopback.c:142:27: note: expanded from macro 'gb_loopback_ro_stats_attr' 142 | return sysfs_emit(buf, "%\n" #type "\n", gb->name.field); \ | ~^ drivers/staging/greybus/loopback.c:280:1: warning: invalid conversion specifier '\x0a' [-Wformat-invalid-specifier] 280 | gb_loopback_stats_attrs(gbphy_firmware_latency); | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ drivers/staging/greybus/loopback.c:168:2: note: expanded from macro 'gb_loopback_stats_attrs' 168 | gb_loopback_ro_stats_attr(field, max, u); \ | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ drivers/staging/greybus/loopback.c:142:27: note: expanded from macro 'gb_loopback_ro_stats_attr' 142 | return sysfs_emit(buf, "%\n" #type "\n", gb->name.field); \ | ~^ drivers/staging/greybus/loopback.c:301:1: warning: invalid conversion specifier '\x0a' [-Wformat-invalid-specifier] 301 | gb_dev_loopback_rw_attr(type, d); | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ drivers/staging/greybus/loopback.c:213:27: note: expanded from macro 'gb_dev_loopback_rw_attr' 213 | return sysfs_emit(buf, "%\n" #type "\n", gb->field); \ | ~^ drivers/staging/greybus/loopback.c:303:1: warning: invalid conversion specifier '\x0a' [-Wformat-invalid-specifier] 303 | gb_dev_loopback_rw_attr(size, u); | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ drivers/staging/greybus/loopback.c:213:27: note: expanded from macro 'gb_dev_loopback_rw_attr' 213 | return sysfs_emit(buf, "%\n" #type "\n", gb->field); \ | ~^ drivers/staging/greybus/loopback.c:305:1: warning: invalid conversion specifier '\x0a' [-Wformat-invalid-specifier] 305 | gb_dev_loopback_rw_attr(us_wait, d); | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ drivers/staging/greybus/loopback.c:213:27: note: expanded from macro 'gb_dev_loopback_rw_attr' 213 | return sysfs_emit(buf, "%\n" #type "\n", gb->field); \ | ~^ drivers/staging/greybus/loopback.c:307:1: warning: invalid conversion specifier '\x0a' [-Wformat-invalid-specifier] 307 | gb_dev_loopback_rw_attr(iteration_max, u);
vim +/x0a +272 drivers/staging/greybus/loopback.c
355a7058153e04b Alexandre Bailon 2015-03-31 270 355a7058153e04b Alexandre Bailon 2015-03-31 271 /* Time to send and receive one message */ 8e1d6c336d74977 Bryan O'Donoghue 2015-12-03 @272 gb_loopback_stats_attrs(latency); 583cbf50e0a4c89 Bryan O'Donoghue 2015-07-21 273 /* Number of requests sent per second on this cport */ 8e1d6c336d74977 Bryan O'Donoghue 2015-12-03 274 gb_loopback_stats_attrs(requests_per_second); 355a7058153e04b Alexandre Bailon 2015-03-31 275 /* Quantity of data sent and received on this cport */ 8e1d6c336d74977 Bryan O'Donoghue 2015-12-03 276 gb_loopback_stats_attrs(throughput); 1ec5843ee988991 Bryan O'Donoghue 2015-10-15 277 /* Latency across the UniPro link from APBridge's perspective */ 8e1d6c336d74977 Bryan O'Donoghue 2015-12-03 278 gb_loopback_stats_attrs(apbridge_unipro_latency); 1ec5843ee988991 Bryan O'Donoghue 2015-10-15 279 /* Firmware induced overhead in the GPBridge */ e54b106dd1be503 Sandeep Patil 2016-05-19 280 gb_loopback_stats_attrs(gbphy_firmware_latency); 8e1d6c336d74977 Bryan O'Donoghue 2015-12-03 281