linux-kernel - Re: [PATCH v2 4/5] serial: split generic UART driver helper functions into a separate file

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Date:   Mon, 3 Apr 2017 15:35:39 +0800
From:   kbuild test robot <lkp@...el.com>
To:     Nicolas Pitre <nicolas.pitre@...aro.org>
Cc:     kbuild-all@...org, Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Jiri Slaby <jslaby@...e.com>, linux-serial@...r.kernel.org,
        linux-kernel@...r.kernel.org, linux-arm-kernel@...ts.infradead.org
Subject: Re: [PATCH v2 4/5] serial: split generic UART driver helper
 functions into a separate file

Hi Nicolas,

[auto build test ERROR on tty/tty-testing]
[also build test ERROR on v4.11-rc5 next-20170331]
[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/Nicolas-Pitre/minitty-a-minimal-TTY-layer-alternative-for-embedded-systems/20170403-103907
base:   https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty.git tty-testing
config: mips-rm200_defconfig (attached as .config)
compiler: mipsel-linux-gnu-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=mips 

All errors (new ones prefixed by >>):

>> ERROR: "uart_port_lock_init" [drivers/tty/serial/serial_core.ko] undefined!

---
0-DAY kernel test infrastructure                Open Source Technology Center
https://lists.01.org/pipermail/kbuild-all                   Intel Corporation

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