Hi Daniel, Thank you for the patch! Yet something to improve: [auto build test ERROR on tty/tty-testing] [also build test ERROR on v4.16-rc6 next-20180322] [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/Daniel-Kurtz/serial-sh-sci-Remove-__initdata-attribute-for-struct-port_cfg/20180323-085004 base: https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty.git tty-testing config: i386-allyesconfig (attached as .config) compiler: gcc-7 (Debian 7.3.0-1) 7.3.0 reproduce: # save the attached .config to linux build tree make ARCH=i386 All errors (new ones prefixed by >>): >> drivers/tty/serial/sh-sci.c:3293:81: error: early_driver causes a section type conflict with __UNIQUE_ID___earlycon_hscif44 early_platform_init_buffer("earlyprintk", &sci_driver, ^ drivers/tty/serial/sh-sci.c:3349:33: note: '__UNIQUE_ID___earlycon_hscif44' was declared here OF_EARLYCON_DECLARE(hscif, "renesas,hscif", hscif_early_console_setup); ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ vim +3293 drivers/tty/serial/sh-sci.c ^1da177e drivers/serial/sh-sci.c Linus Torvalds 2005-04-16 3291 7b6fd3bf drivers/serial/sh-sci.c Magnus Damm 2009-12-14 3292 #ifdef CONFIG_SERIAL_SH_SCI_CONSOLE 7b6fd3bf drivers/serial/sh-sci.c Magnus Damm 2009-12-14 @3293 early_platform_init_buffer("earlyprintk", &sci_driver, 7b6fd3bf drivers/serial/sh-sci.c Magnus Damm 2009-12-14 3294 early_serial_buf, ARRAY_SIZE(early_serial_buf)); 7b6fd3bf drivers/serial/sh-sci.c Magnus Damm 2009-12-14 3295 #endif 0b0cced1 drivers/tty/serial/sh-sci.c Yoshinori Sato 2015-12-24 3296 #ifdef CONFIG_SERIAL_SH_SCI_EARLYCON 2897809d drivers/tty/serial/sh-sci.c Daniel Kurtz 2018-03-20 3297 static struct plat_sci_port port_cfg; 0b0cced1 drivers/tty/serial/sh-sci.c Yoshinori Sato 2015-12-24 3298 :::::: The code at line 3293 was first introduced by commit :::::: 7b6fd3bf82c4901f6ba0101ba71a5c507c24f9cf sh-sci: Extend sh-sci driver with early console V2 :::::: TO: Magnus Damm :::::: CC: Paul Mundt --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/pipermail/kbuild-all Intel Corporation