Re: [PATCH net-next] net: phy: smsc: add WoL support to LAN8740/LAN8742 PHYs.

From: kernel test robot <lkp@intel.com>
To: Tristram.Ha@microchip.com,
	"David S. Miller" <davem@davemloft.net>,
	Andrew Lunn <andrew@lunn.ch>,
	Florian Fainelli <f.fainelli@gmail.com>
Cc: oe-kbuild-all@lists.linux.dev, netdev@vger.kernel.org,
	UNGLinuxDriver@microchip.com,
	Tristram Ha <Tristram.Ha@microchip.com>
Subject: Re: [PATCH net-next] net: phy: smsc: add WoL support to LAN8740/LAN8742 PHYs.
Date: Sun, 28 May 2023 01:04:45 +0800	[thread overview]
Message-ID: <202305280053.LordyDHm-lkp@intel.com> (raw)
In-Reply-To: <1685151574-2752-1-git-send-email-Tristram.Ha@microchip.com>

Hi,

kernel test robot noticed the following build errors:

[auto build test ERROR on net-next/main]

url:    https://github.com/intel-lab-lkp/linux/commits/Tristram-Ha-microchip-com/net-phy-smsc-add-WoL-support-to-LAN8740-LAN8742-PHYs/20230527-094102
base:   net-next/main
patch link:    https://lore.kernel.org/r/1685151574-2752-1-git-send-email-Tristram.Ha%40microchip.com
patch subject: [PATCH net-next] net: phy: smsc: add WoL support to LAN8740/LAN8742 PHYs.
config: x86_64-randconfig-x076-20230526 (https://download.01.org/0day-ci/archive/20230528/202305280053.LordyDHm-lkp@intel.com/config)
compiler: gcc-11 (Debian 11.3.0-12) 11.3.0
reproduce (this is a W=1 build):
        # https://github.com/intel-lab-lkp/linux/commit/a1e40c5a7a32445d5ae4541d4e57bbc4b5065057
        git remote add linux-review https://github.com/intel-lab-lkp/linux
        git fetch --no-tags linux-review Tristram-Ha-microchip-com/net-phy-smsc-add-WoL-support-to-LAN8740-LAN8742-PHYs/20230527-094102
        git checkout a1e40c5a7a32445d5ae4541d4e57bbc4b5065057
        # save the config file
        mkdir build_dir && cp config build_dir/.config
        make W=1 O=build_dir ARCH=x86_64 olddefconfig
        make W=1 O=build_dir ARCH=x86_64 SHELL=/bin/bash

If you fix the issue, kindly add following tag where applicable
| Reported-by: kernel test robot <lkp@intel.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202305280053.LordyDHm-lkp@intel.com/

All errors (new ones prefixed by >>):

   ld: drivers/net/phy/smsc.o: in function `smsc_crc16':
>> drivers/net/phy/smsc.c:330: undefined reference to `crc16'

vim +330 drivers/net/phy/smsc.c

   327	
   328	static u16 smsc_crc16(const u8 *buffer, size_t len)
   329	{
 > 330		return bitrev16(crc16(0xFFFF, buffer, len));
   331	}
   332	

-- 
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki