Hi Jacky, kernel test robot noticed the following build warnings: [auto build test WARNING on robh/for-next] [also build test WARNING on clk/clk-next linus/master v6.3 next-20230424] [cannot apply to pza/reset/next pza/imx-drm/next] [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#_base_tree_information] url: https://github.com/intel-lab-lkp/linux/commits/Jacky-Huang/arm64-Kconfig-platforms-Add-config-for-Nuvoton-MA35-platform/20230425-182746 base: https://git.kernel.org/pub/scm/linux/kernel/git/robh/linux.git for-next patch link: https://lore.kernel.org/r/20230425102418.185783-11-ychuang570808%40gmail.com patch subject: [PATCH v8 10/11] tty: serial: Add Nuvoton ma35d1 serial driver support config: sparc-allyesconfig (https://download.01.org/0day-ci/archive/20230425/202304252118.P0ZCvlQO-lkp@xxxxxxxxx/config) compiler: sparc64-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://github.com/intel-lab-lkp/linux/commit/9f299bce6e0e871aa112e06e2451e88198a75d97 git remote add linux-review https://github.com/intel-lab-lkp/linux git fetch --no-tags linux-review Jacky-Huang/arm64-Kconfig-platforms-Add-config-for-Nuvoton-MA35-platform/20230425-182746 git checkout 9f299bce6e0e871aa112e06e2451e88198a75d97 # save the config file mkdir build_dir && cp config build_dir/.config COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-12.1.0 make.cross W=1 O=build_dir ARCH=sparc olddefconfig COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-12.1.0 make.cross W=1 O=build_dir ARCH=sparc SHELL=/bin/bash drivers/tty/serial/ If you fix the issue, kindly add following tag where applicable | Reported-by: kernel test robot <lkp@xxxxxxxxx> | Link: https://lore.kernel.org/oe-kbuild-all/202304252118.P0ZCvlQO-lkp@xxxxxxxxx/ All warnings (new ones prefixed by >>): drivers/tty/serial/ma35d1_serial.c: In function 'ma35d1serial_probe': drivers/tty/serial/ma35d1_serial.c:675:28: error: implicit declaration of function 'devm_ioremap'; did you mean 'of_ioremap'? [-Werror=implicit-function-declaration] 675 | up->port.membase = devm_ioremap(&pdev->dev, up->port.iobase, UART_REG_SIZE); | ^~~~~~~~~~~~ | of_ioremap >> drivers/tty/serial/ma35d1_serial.c:675:26: warning: assignment to 'unsigned char *' from 'int' makes pointer from integer without a cast [-Wint-conversion] 675 | up->port.membase = devm_ioremap(&pdev->dev, up->port.iobase, UART_REG_SIZE); | ^ cc1: some warnings being treated as errors vim +675 drivers/tty/serial/ma35d1_serial.c 647 648 /* 649 * Register a set of serial devices attached to a platform device. 650 * The list is terminated with a zero flags entry, which means we expect 651 * all entries to have at least UPF_BOOT_AUTOCONF set. 652 */ 653 static int ma35d1serial_probe(struct platform_device *pdev) 654 { 655 struct resource *res_mem; 656 struct uart_ma35d1_port *up; 657 int ret = 0; 658 struct clk *clk; 659 int err; 660 661 if (pdev->dev.of_node) { 662 ret = of_alias_get_id(pdev->dev.of_node, "serial"); 663 if (ret < 0) { 664 dev_err(&pdev->dev, "failed to get alias/pdev id, errno %d\n", ret); 665 return ret; 666 } 667 } 668 up = &ma35d1serial_ports[ret]; 669 up->port.line = ret; 670 res_mem = platform_get_resource(pdev, IORESOURCE_MEM, 0); 671 if (!res_mem) 672 return -ENODEV; 673 674 up->port.iobase = res_mem->start; > 675 up->port.membase = devm_ioremap(&pdev->dev, up->port.iobase, UART_REG_SIZE); 676 up->port.ops = &ma35d1serial_ops; 677 678 spin_lock_init(&up->port.lock); 679 680 clk = of_clk_get(pdev->dev.of_node, 0); 681 if (IS_ERR(clk)) { 682 err = PTR_ERR(clk); 683 dev_err(&pdev->dev, "failed to get core clk: %d\n", err); 684 return -ENOENT; 685 } 686 687 err = clk_prepare_enable(clk); 688 if (err) 689 return -ENOENT; 690 691 if (up->port.line != 0) 692 up->port.uartclk = clk_get_rate(clk); 693 694 ret = platform_get_irq(pdev, 0); 695 if (ret < 0) 696 return ret; 697 up->port.irq = ret; 698 up->port.dev = &pdev->dev; 699 up->port.flags = UPF_BOOT_AUTOCONF; 700 701 platform_set_drvdata(pdev, up); 702 703 return uart_add_one_port(&ma35d1serial_reg, &up->port); 704 } 705 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests
