Messages in this thread | | | Date | Sat, 20 Aug 2022 09:49:43 +0800 | From | kernel test robot <> | Subject | drivers/spi/spi-mpc52xx-psc.c:195:5: warning: no previous prototype for 'mpc52xx_psc_spi_transfer_one_message' |
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drivers/spi/spi-mpc52xx-psc.c tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master head: 50cd95ac46548429e5bba7ca75cc97d11a697947 commit: 145cfc3840e5931a789a8e2e76af841ab4cad44b spi: mpc52xx-psc: Switch to using core message queue date: 8 weeks ago config: powerpc-randconfig-r006-20220819 (https://download.01.org/0day-ci/archive/20220820/202208200920.YS4MVCTL-lkp@intel.com/config) compiler: powerpc-linux-gcc (GCC) 12.1.0 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://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=145cfc3840e5931a789a8e2e76af841ab4cad44b git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git git fetch --no-tags linus master git checkout 145cfc3840e5931a789a8e2e76af841ab4cad44b # save the config file mkdir build_dir && cp config build_dir/.config COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-12.1.0 make.cross W=1 O=build_dir ARCH=powerpc SHELL=/bin/bash drivers/spi/
If you fix the issue, kindly add following tag where applicable Reported-by: kernel test robot <lkp@intel.com>
All warnings (new ones prefixed by >>):
>> drivers/spi/spi-mpc52xx-psc.c:195:5: warning: no previous prototype for 'mpc52xx_psc_spi_transfer_one_message' [-Wmissing-prototypes] 195 | int mpc52xx_psc_spi_transfer_one_message(struct spi_controller *ctlr, | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
vim +/mpc52xx_psc_spi_transfer_one_message +195 drivers/spi/spi-mpc52xx-psc.c
194 > 195 int mpc52xx_psc_spi_transfer_one_message(struct spi_controller *ctlr, 196 struct spi_message *m) 197 { 198 struct spi_device *spi; 199 struct spi_transfer *t = NULL; 200 unsigned cs_change; 201 int status; 202 203 spi = m->spi; 204 cs_change = 1; 205 status = 0; 206 list_for_each_entry (t, &m->transfers, transfer_list) { 207 if (t->bits_per_word || t->speed_hz) { 208 status = mpc52xx_psc_spi_transfer_setup(spi, t); 209 if (status < 0) 210 break; 211 } 212 213 if (cs_change) 214 mpc52xx_psc_spi_activate_cs(spi); 215 cs_change = t->cs_change; 216 217 status = mpc52xx_psc_spi_transfer_rxtx(spi, t); 218 if (status) 219 break; 220 m->actual_length += t->len; 221 222 spi_transfer_delay_exec(t); 223 224 if (cs_change) 225 mpc52xx_psc_spi_deactivate_cs(spi); 226 } 227 228 m->status = status; 229 if (status || !cs_change) 230 mpc52xx_psc_spi_deactivate_cs(spi); 231 232 mpc52xx_psc_spi_transfer_setup(spi, NULL); 233 234 spi_finalize_current_message(ctlr); 235 236 return 0; 237 } 238
-- 0-DAY CI Kernel Test Service https://01.org/lkp
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