linux-kernel - Re: [PATCH v2 1/3] serial: 8250: Handle UART without interrupt on TEMT using em485

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Message-ID: <202102050539.ILyUUHHw-lkp@intel.com>
Date:   Fri, 5 Feb 2021 05:36:44 +0800
From:   kernel test robot <lkp@...el.com>
To:     Eric Tremblay <etremblay@...tech-controls.com>,
        gregkh@...uxfoundation.org
Cc:     kbuild-all@...ts.01.org, jslaby@...e.com,
        andriy.shevchenko@...ux.intel.com, matwey.kornilov@...il.com,
        giulio.benetti@...ronovasrl.com, lukas@...ner.de,
        linux-serial@...r.kernel.org, linux-kernel@...r.kernel.org,
        christoph.muellner@...obroma-systems.com, heiko@...ech.de
Subject: Re: [PATCH v2 1/3] serial: 8250: Handle UART without interrupt on
 TEMT using em485

Hi Eric,

I love your patch! Yet something to improve:

[auto build test ERROR on tty/tty-testing]
[also build test ERROR on usb/usb-testing v5.11-rc6 next-20210125]
[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/Eric-Tremblay/Handle-UART-without-interrupt-on-TEMT-using-em485/20210205-002255
base:   https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty.git tty-testing
config: ia64-randconfig-r032-20210204 (attached as .config)
compiler: ia64-linux-gcc (GCC) 9.3.0
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/070c956e2d260c56b13f43b7d092b4a20664248c
        git remote add linux-review https://github.com/0day-ci/linux
        git fetch --no-tags linux-review Eric-Tremblay/Handle-UART-without-interrupt-on-TEMT-using-em485/20210205-002255
        git checkout 070c956e2d260c56b13f43b7d092b4a20664248c
        # save the attached .config to linux build tree
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross ARCH=ia64 

If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@...el.com>

All errors (new ones prefixed by >>, old ones prefixed by <<):

>> ERROR: modpost: "uart_get_byte_size" [drivers/tty/serial/8250/8250_base.ko] undefined!

Kconfig warnings: (for reference only)
   WARNING: unmet direct dependencies detected for FRAME_POINTER
   Depends on DEBUG_KERNEL && (M68K || UML || SUPERH) || ARCH_WANT_FRAME_POINTERS
   Selected by
   - FAULT_INJECTION_STACKTRACE_FILTER && FAULT_INJECTION_DEBUG_FS && STACKTRACE_SUPPORT && !X86_64 && !MIPS && !PPC && !S390 && !MICROBLAZE && !ARM && !ARC && !X86

---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org

Download attachment ".config.gz" of type "application/gzip" (30617 bytes)