Hi Clark, Thank you for the patch! Yet something to improve: [auto build test ERROR on spi/for-next] [also build test ERROR on next-20181019] [cannot apply to v4.19] [if your patch is applied to the wrong git tree, please drop us a note to help improve the system] url: https://github.com/0day-ci/linux/commits/Clark-Wang/spi-lpspi-Add-slave-mode-support-for-imx7ulp/20181024-125200 base: https://git.kernel.org/pub/scm/linux/kernel/git/broonie/spi.git for-next config: xtensa-allyesconfig (attached as .config) compiler: xtensa-linux-gcc (GCC) 8.1.0 reproduce: wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross # save the attached .config to linux build tree GCC_VERSION=8.1.0 make.cross ARCH=xtensa Note: the linux-review/Clark-Wang/spi-lpspi-Add-slave-mode-support-for-imx7ulp/20181024-125200 HEAD 37fc79ae346a636e850e4b90070c7d6e84b67b52 builds fine. It only hurts bisectibility. All errors (new ones prefixed by >>): drivers/spi/spi-fsl-lpspi.c: In function 'fsl_lpspi_transfer_one': >> drivers/spi/spi-fsl-lpspi.c:387:8: error: implicit declaration of function 'fsl_lpspi_txfifo_empty'; did you mean 'fsl_lpspi_set_cmd'? [-Werror=implicit-function-declaration] ret = fsl_lpspi_txfifo_empty(fsl_lpspi); ^~~~~~~~~~~~~~~~~~~~~~ fsl_lpspi_set_cmd cc1: some warnings being treated as errors vim +387 drivers/spi/spi-fsl-lpspi.c 8e2c76586 Clark Wang 2018-10-24 365 8e2c76586 Clark Wang 2018-10-24 366 static int fsl_lpspi_transfer_one(struct spi_controller *controller, 5314987de Gao Pan 2016-11-22 367 struct spi_device *spi, 5314987de Gao Pan 2016-11-22 368 struct spi_transfer *t) 5314987de Gao Pan 2016-11-22 369 { 8e2c76586 Clark Wang 2018-10-24 370 struct fsl_lpspi_data *fsl_lpspi = 8e2c76586 Clark Wang 2018-10-24 371 spi_controller_get_devdata(controller); 5314987de Gao Pan 2016-11-22 372 int ret; 5314987de Gao Pan 2016-11-22 373 5314987de Gao Pan 2016-11-22 374 fsl_lpspi->tx_buf = t->tx_buf; 5314987de Gao Pan 2016-11-22 375 fsl_lpspi->rx_buf = t->rx_buf; 5314987de Gao Pan 2016-11-22 376 fsl_lpspi->remain = t->len; 5314987de Gao Pan 2016-11-22 377 5314987de Gao Pan 2016-11-22 378 reinit_completion(&fsl_lpspi->xfer_done); 8e2c76586 Clark Wang 2018-10-24 379 fsl_lpspi->slave_aborted = false; 8e2c76586 Clark Wang 2018-10-24 380 5314987de Gao Pan 2016-11-22 381 fsl_lpspi_write_tx_fifo(fsl_lpspi); d2ad0a62d Gao Pan 2016-11-28 382 8e2c76586 Clark Wang 2018-10-24 383 ret = fsl_lpspi_wait_for_completion(controller); 8e2c76586 Clark Wang 2018-10-24 384 if (ret) 8e2c76586 Clark Wang 2018-10-24 385 return ret; 5314987de Gao Pan 2016-11-22 386 5314987de Gao Pan 2016-11-22 @387 ret = fsl_lpspi_txfifo_empty(fsl_lpspi); d989eed20 Gao Pan 2016-12-02 388 if (ret) d989eed20 Gao Pan 2016-12-02 389 return ret; d989eed20 Gao Pan 2016-12-02 390 d989eed20 Gao Pan 2016-12-02 391 return 0; 5314987de Gao Pan 2016-11-22 392 } 5314987de Gao Pan 2016-11-22 393 :::::: The code at line 387 was first introduced by commit :::::: 5314987de5e5f5e38436ef4a69328bc472bbd63e spi: imx: add lpspi bus driver :::::: TO: Gao Pan <pandy.gao@xxxxxxx> :::::: CC: Mark Brown <broonie@xxxxxxxxxx> --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/pipermail/kbuild-all Intel Corporation
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