Hi Nandor, [auto build test ERROR on tty/tty-testing] [also build test ERROR on v4.12 next-20170706] [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/Romain-Perier/serial-imx-various-improvements/20170706-153226 base: https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty.git tty-testing config: arm-multi_v5_defconfig (attached as .config) compiler: arm-linux-gnueabi-gcc (Debian 6.1.1-9) 6.1.1 20160705 reproduce: wget https://raw.githubusercontent.com/01org/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross # save the attached .config to linux build tree make.cross ARCH=arm Note: the linux-review/Romain-Perier/serial-imx-various-improvements/20170706-153226 HEAD c99e6e0fd195719d99b5ce9a4f9a155243772578 builds fine. It only hurts bisectibility. All errors (new ones prefixed by >>): drivers/tty/serial/imx.c: In function 'imx_disable_dma': >> drivers/tty/serial/imx.c:1250:2: error: 'temp' undeclared (first use in this function) temp = readl(sport->port.membase + UCR2); ^~~~ drivers/tty/serial/imx.c:1250:2: note: each undeclared identifier is reported only once for each function it appears in vim +/temp +1250 drivers/tty/serial/imx.c b4cdc8f6 Huang Shijie 2013-07-08 1244 static void imx_disable_dma(struct imx_port *sport) b4cdc8f6 Huang Shijie 2013-07-08 1245 { 52fe0ee0 Nandor Han 2017-07-05 1246 imx_stop_rx_dma(sport); 52fe0ee0 Nandor Han 2017-07-05 1247 imx_stop_tx_dma(sport); b4cdc8f6 Huang Shijie 2013-07-08 1248 b4cdc8f6 Huang Shijie 2013-07-08 1249 /* clear UCR2 */ b4cdc8f6 Huang Shijie 2013-07-08 @1250 temp = readl(sport->port.membase + UCR2); 86a04ba6 Lucas Stach 2015-09-04 1251 temp &= ~(UCR2_CTSC | UCR2_CTS | UCR2_ATEN); b4cdc8f6 Huang Shijie 2013-07-08 1252 writel(temp, sport->port.membase + UCR2); b4cdc8f6 Huang Shijie 2013-07-08 1253 :::::: The code at line 1250 was first introduced by commit :::::: b4cdc8f61beb2a55c8c3d22dfcaf5f34a919fe9b serial: imx: add DMA support for imx6q :::::: TO: Huang Shijie <b32955@xxxxxxxxxxxxx> :::::: CC: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx> --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/pipermail/kbuild-all Intel Corporation
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