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Mon, 19 Sep 2022 01:54:54 +0000 Date: Mon, 19 Sep 2022 09:54:03 +0800 From: kernel test robot To: Mark Brown Cc: kbuild-all@lists.01.org, linux-kernel@vger.kernel.org Subject: drivers/spi/spi-mpc52xx-psc.c:195:5: warning: no previous prototype for 'mpc52xx_psc_spi_transfer_one_message' Message-ID: <202209190931.f8ZoraV3-lkp@intel.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Hi Mark, FYI, the error/warning still remains. tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master head: 521a547ced6477c54b4b0cc206000406c221b4d6 commit: 145cfc3840e5931a789a8e2e76af841ab4cad44b spi: mpc52xx-psc: Switch to using core message queue date: 3 months ago config: powerpc-randconfig-r013-20220919 (https://download.01.org/0day-ci/archive/20220919/202209190931.f8ZoraV3-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 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, | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ Kconfig warnings: (for reference only) WARNING: unmet direct dependencies detected for SND_SOC_MPC5200_AC97 Depends on [n]: SOUND [=y] && !UML && SND [=y] && SND_SOC [=y] && SND_POWERPC_SOC [=y] && PPC_MPC52xx [=y] && PPC_BESTCOMM [=n] Selected by [y]: - SND_MPC52xx_SOC_EFIKA [=y] && SOUND [=y] && !UML && SND [=y] && SND_SOC [=y] && SND_POWERPC_SOC [=y] && PPC_EFIKA [=y] 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