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Date:   Mon, 2 Oct 2023 12:13:24 +0800
From:   kernel test robot <lkp@intel.com>
To:     Crescent CY Hsieh <crescentcy.hsieh@moxa.com>,
        gregkh@linuxfoundation.org, jirislaby@kernel.org
Cc:     oe-kbuild-all@lists.linux.dev, linux-kernel@vger.kernel.org,
        linux-serial@vger.kernel.org,
        Crescent CY Hsieh <crescentcy.hsieh@moxa.com>
Subject: Re: [PATCH 4/4] tty: serial: 8250: Add support for MOXA PCIe boards
 to switch interface between RS422/RS485
Message-ID: <202310021202.xDwDImQv-lkp@intel.com>
References: <20231002015702.30509-5-crescentcy.hsieh@moxa.com>
MIME-Version: 1.0
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In-Reply-To: <20231002015702.30509-5-crescentcy.hsieh@moxa.com>
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Hi Crescent,

kernel test robot noticed the following build errors:

[auto build test ERROR on tty/tty-testing]
[also build test ERROR on tty/tty-next tty/tty-linus usb/usb-testing usb/usb-next usb/usb-linus linus/master v6.6-rc4 next-20230929]
[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/Crescent-CY-Hsieh/tty-serial-8250-Cleanup-MOXA-configurations-in-8250_pci-c/20231002-095945
base:   https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty.git tty-testing
patch link:    https://lore.kernel.org/r/20231002015702.30509-5-crescentcy.hsieh%40moxa.com
patch subject: [PATCH 4/4] tty: serial: 8250: Add support for MOXA PCIe boards to switch interface between RS422/RS485
config: sparc-allnoconfig (https://download.01.org/0day-ci/archive/20231002/202310021202.xDwDImQv-lkp@intel.com/config)
compiler: sparc-linux-gcc (GCC) 13.2.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20231002/202310021202.xDwDImQv-lkp@intel.com/reproduce)

If you fix the issue in a separate patch/commit (i.e. not just a new version of
the same patch/commit), kindly add following tags
| Reported-by: kernel test robot <lkp@intel.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202310021202.xDwDImQv-lkp@intel.com/

All errors (new ones prefixed by >>):

   drivers/tty/serial/serial_core.c: In function 'uart_check_rs485_flags':
>> drivers/tty/serial/serial_core.c:1302:60: error: 'SER_RS422_ENALBED' undeclared (first use in this function); did you mean 'SER_RS422_ENABLED'?
    1302 |                                  SER_RS485_TERMINATE_BUS | SER_RS422_ENALBED)
         |                                                            ^~~~~~~~~~~~~~~~~
   drivers/tty/serial/serial_core.c:1309:19: note: in expansion of macro 'SER_RS485_LEGACY_FLAGS'
    1309 |         flags &= ~SER_RS485_LEGACY_FLAGS;
         |                   ^~~~~~~~~~~~~~~~~~~~~~
   drivers/tty/serial/serial_core.c:1302:60: note: each undeclared identifier is reported only once for each function it appears in
    1302 |                                  SER_RS485_TERMINATE_BUS | SER_RS422_ENALBED)
         |                                                            ^~~~~~~~~~~~~~~~~
   drivers/tty/serial/serial_core.c:1309:19: note: in expansion of macro 'SER_RS485_LEGACY_FLAGS'
    1309 |         flags &= ~SER_RS485_LEGACY_FLAGS;
         |                   ^~~~~~~~~~~~~~~~~~~~~~


vim +1302 drivers/tty/serial/serial_core.c

  1299	
  1300	#define SER_RS485_LEGACY_FLAGS	(SER_RS485_ENABLED | SER_RS485_RTS_ON_SEND | \
  1301					 SER_RS485_RTS_AFTER_SEND | SER_RS485_RX_DURING_TX | \
> 1302					 SER_RS485_TERMINATE_BUS | SER_RS422_ENALBED)
  1303	

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https://github.com/intel/lkp-tests/wiki