Hello, On Fri, Feb 05, 2021 at 05:36:44AM +0800, kernel test robot wrote: > Hi Eric, > > I love your patch! Yet something to improve: > > [auto build test ERROR on tty/tty-testing] > [also build test ERROR on usb/usb-testing v5.11-rc6 next-20210125] > [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/Eric-Tremblay/Handle-UART-without-interrupt-on-TEMT-using-em485/20210205-002255 > base: https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty.git tty-testing > config: ia64-randconfig-r032-20210204 (attached as .config) > compiler: ia64-linux-gcc (GCC) 9.3.0 > 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/070c956e2d260c56b13f43b7d092b4a20664248c > git remote add linux-review https://github.com/0day-ci/linux > git fetch --no-tags linux-review Eric-Tremblay/Handle-UART-without-interrupt-on-TEMT-using-em485/20210205-002255 > git checkout 070c956e2d260c56b13f43b7d092b4a20664248c > # save the attached .config to linux build tree > COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross ARCH=ia64 > > If you fix the issue, kindly add following tag as appropriate > Reported-by: kernel test robot <lkp@xxxxxxxxx> > > All errors (new ones prefixed by >>, old ones prefixed by <<): > > >> ERROR: modpost: "uart_get_byte_size" [drivers/tty/serial/8250/8250_base.ko] undefined! FTR: This is a missing EXPORT_SYMBOL_GPL for uart_get_byte_size(). Best regards Uwe -- Pengutronix e.K. | Uwe Kleine-König | Industrial Linux Solutions | https://www.pengutronix.de/ |
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