Hi Xianting, Thank you for the patch! Perhaps something to improve: [auto build test WARNING on tty/tty-testing] [also build test WARNING on char-misc/char-misc-testing soc/for-next v5.14-rc6 next-20210818] [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/Xianting-Tian/make-hvc-pass-dma-capable-memory-to-its-backend/20210818-162408 base: https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty.git tty-testing config: sh-allmodconfig (attached as .config) compiler: sh4-linux-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/e1b7662dafceb07a6905b64da2f1be27498c4a46 git remote add linux-review https://github.com/0day-ci/linux git fetch --no-tags linux-review Xianting-Tian/make-hvc-pass-dma-capable-memory-to-its-backend/20210818-162408 git checkout e1b7662dafceb07a6905b64da2f1be27498c4a46 # save the attached .config to linux build tree COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-11.2.0 make.cross ARCH=sh If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp@xxxxxxxxx> All warnings (new ones prefixed by >>): drivers/tty/hvc/hvc_console.c: In function 'hvc_poll_put_char': >> drivers/tty/hvc/hvc_console.c:880:55: warning: passing argument 2 of 'hp->ops->put_chars' makes pointer from integer without a cast [-Wint-conversion] 880 | n = hp->ops->put_chars(hp->vtermno, hp->out_ch, 1); | ~~^~~~~~~~ | | | char drivers/tty/hvc/hvc_console.c:880:55: note: expected 'const char *' but argument is of type 'char' Kconfig warnings: (for reference only) WARNING: unmet direct dependencies detected for SND_ATMEL_SOC_PDC Depends on SOUND && !UML && SND && SND_SOC && SND_ATMEL_SOC && HAS_DMA Selected by - SND_ATMEL_SOC_SSC && SOUND && !UML && SND && SND_SOC && SND_ATMEL_SOC - SND_ATMEL_SOC_SSC_PDC && SOUND && !UML && SND && SND_SOC && SND_ATMEL_SOC && ATMEL_SSC vim +880 drivers/tty/hvc/hvc_console.c 870 871 static void hvc_poll_put_char(struct tty_driver *driver, int line, char ch) 872 { 873 struct tty_struct *tty = driver->ttys[0]; 874 struct hvc_struct *hp = tty->driver_data; 875 int n; 876 877 hp->out_ch = ch; 878 879 do { > 880 n = hp->ops->put_chars(hp->vtermno, hp->out_ch, 1); 881 } while (n <= 0); 882 } 883 #endif 884 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@xxxxxxxxxxxx
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