[kbuild-all] Re: [PATCH 10/11] serial: make uart_console_write->putchar()'s character a char

Hi Jiri, I love your patch! Yet something to improve: [auto build test ERROR on tty/tty-testing] [also build test ERROR on v5.17-rc1 next-20220124] [cannot apply to shawnguo/for-next davem-sparc/master] [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/Jiri-Slaby/TTY-patches-for-5-18/... base: https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty.git tty-testing config: arc-randconfig-r043-20220124 (https://download.01.org/0day-ci/archive/20220125/202201250004.SHBbOjs3-lk...) compiler: arc-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/45520d4f6db241db0b77f41162adba4a9... git remote add linux-review https://github.com/0day-ci/linux git fetch --no-tags linux-review Jiri-Slaby/TTY-patches-for-5-18/20220124-151758 git checkout 45520d4f6db241db0b77f41162adba4a9977956c # 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=arc SHELL=/bin/bash drivers/tty/serial/ 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/tty/serial/omap-serial.c: In function 'serial_omap_console_write': 1272 | uart_console_write(&up->port, s, count, serial_omap_console_putchar); | ^~~~~~~~~~~~~~~~~~~~~~~~~~~ | | | void (*)(struct uart_port *, int) In file included from drivers/tty/serial/omap-serial.c:30: include/linux/serial_core.h:402:32: note: expected 'void (*)(struct uart_port *, char)' but argument is of type 'void (*)(struct uart_port *, int)' 402 | void (*putchar)(struct uart_port *, char)); | ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ cc1: some warnings being treated as errors vim +/uart_console_write +1272 drivers/tty/serial/omap-serial.c b612633b592807 drivers/serial/omap-serial.c Govindraj.R 2010-09-27 1248 b612633b592807 drivers/serial/omap-serial.c Govindraj.R 2010-09-27 1249 static void b612633b592807 drivers/serial/omap-serial.c Govindraj.R 2010-09-27 1250 serial_omap_console_write(struct console *co, const char *s, b612633b592807 drivers/serial/omap-serial.c Govindraj.R 2010-09-27 1251 unsigned int count) b612633b592807 drivers/serial/omap-serial.c Govindraj.R 2010-09-27 1252 { b612633b592807 drivers/serial/omap-serial.c Govindraj.R 2010-09-27 1253 struct uart_omap_port *up = serial_omap_console_ports[co->index]; b612633b592807 drivers/serial/omap-serial.c Govindraj.R 2010-09-27 1254 unsigned long flags; b612633b592807 drivers/serial/omap-serial.c Govindraj.R 2010-09-27 1255 unsigned int ier; b612633b592807 drivers/serial/omap-serial.c Govindraj.R 2010-09-27 1256 int locked = 1; b612633b592807 drivers/serial/omap-serial.c Govindraj.R 2010-09-27 1257 b612633b592807 drivers/serial/omap-serial.c Govindraj.R 2010-09-27 1258 local_irq_save(flags); b612633b592807 drivers/serial/omap-serial.c Govindraj.R 2010-09-27 1259 if (up->port.sysrq) b612633b592807 drivers/serial/omap-serial.c Govindraj.R 2010-09-27 1260 locked = 0; b612633b592807 drivers/serial/omap-serial.c Govindraj.R 2010-09-27 1261 else if (oops_in_progress) b612633b592807 drivers/serial/omap-serial.c Govindraj.R 2010-09-27 1262 locked = spin_trylock(&up->port.lock); b612633b592807 drivers/serial/omap-serial.c Govindraj.R 2010-09-27 1263 else b612633b592807 drivers/serial/omap-serial.c Govindraj.R 2010-09-27 1264 spin_lock(&up->port.lock); b612633b592807 drivers/serial/omap-serial.c Govindraj.R 2010-09-27 1265 b612633b592807 drivers/serial/omap-serial.c Govindraj.R 2010-09-27 1266 /* b612633b592807 drivers/serial/omap-serial.c Govindraj.R 2010-09-27 1267 * First save the IER then disable the interrupts b612633b592807 drivers/serial/omap-serial.c Govindraj.R 2010-09-27 1268 */ b612633b592807 drivers/serial/omap-serial.c Govindraj.R 2010-09-27 1269 ier = serial_in(up, UART_IER); b612633b592807 drivers/serial/omap-serial.c Govindraj.R 2010-09-27 1270 serial_out(up, UART_IER, 0); b612633b592807 drivers/serial/omap-serial.c Govindraj.R 2010-09-27 1271 b612633b592807 drivers/serial/omap-serial.c Govindraj.R 2010-09-27 @1272 uart_console_write(&up->port, s, count, serial_omap_console_putchar); b612633b592807 drivers/serial/omap-serial.c Govindraj.R 2010-09-27 1273 b612633b592807 drivers/serial/omap-serial.c Govindraj.R 2010-09-27 1274 /* b612633b592807 drivers/serial/omap-serial.c Govindraj.R 2010-09-27 1275 * Finally, wait for transmitter to become empty b612633b592807 drivers/serial/omap-serial.c Govindraj.R 2010-09-27 1276 * and restore the IER b612633b592807 drivers/serial/omap-serial.c Govindraj.R 2010-09-27 1277 */ b612633b592807 drivers/serial/omap-serial.c Govindraj.R 2010-09-27 1278 wait_for_xmitr(up); b612633b592807 drivers/serial/omap-serial.c Govindraj.R 2010-09-27 1279 serial_out(up, UART_IER, ier); b612633b592807 drivers/serial/omap-serial.c Govindraj.R 2010-09-27 1280 /* b612633b592807 drivers/serial/omap-serial.c Govindraj.R 2010-09-27 1281 * The receive handling will happen properly because the b612633b592807 drivers/serial/omap-serial.c Govindraj.R 2010-09-27 1282 * receive ready bit will still be set; it is not cleared b612633b592807 drivers/serial/omap-serial.c Govindraj.R 2010-09-27 1283 * on read. However, modem control will not, we must b612633b592807 drivers/serial/omap-serial.c Govindraj.R 2010-09-27 1284 * call it if we have saved something in the saved flags b612633b592807 drivers/serial/omap-serial.c Govindraj.R 2010-09-27 1285 * while processing with interrupts off. b612633b592807 drivers/serial/omap-serial.c Govindraj.R 2010-09-27 1286 */ b612633b592807 drivers/serial/omap-serial.c Govindraj.R 2010-09-27 1287 if (up->msr_saved_flags) b612633b592807 drivers/serial/omap-serial.c Govindraj.R 2010-09-27 1288 check_modem_status(up); b612633b592807 drivers/serial/omap-serial.c Govindraj.R 2010-09-27 1289 b612633b592807 drivers/serial/omap-serial.c Govindraj.R 2010-09-27 1290 if (locked) b612633b592807 drivers/serial/omap-serial.c Govindraj.R 2010-09-27 1291 spin_unlock(&up->port.lock); b612633b592807 drivers/serial/omap-serial.c Govindraj.R 2010-09-27 1292 local_irq_restore(flags); b612633b592807 drivers/serial/omap-serial.c Govindraj.R 2010-09-27 1293 } b612633b592807 drivers/serial/omap-serial.c Govindraj.R 2010-09-27 1294 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org