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Date:   Thu, 10 Sep 2020 10:27:12 +0800
From:   kernel test robot <>
To:     Marek Behún <>,
Cc:,,, Pavel Machek <>,
        Dan Murphy <>,
        Ondřej Jirman <>,
        Russell King <>,
        Andrew Lunn <>,,
        Matthias Schiffer <>,
        Marek Behún <>
Subject: Re: [PATCH net-next v1 2/3] net: phy: add API for LEDs controlled by
 ethernet PHY chips

Hi "Marek,

Thank you for the patch! Yet something to improve:

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

base: 81365af13a5630673c49bfad9b24cf415e9576f6
config: arm-randconfig-r036-20200909 (attached as .config)
compiler: clang version 12.0.0 ( 8893d0816ccdf8998d2e21b5430e9d6abe7ef465)
reproduce (this is a W=1 build):
        wget -O ~/bin/make.cross
        chmod +x ~/bin/make.cross
        # install arm cross compiling tool for clang build
        # apt-get install binutils-arm-linux-gnueabi
        # save the attached .config to linux build tree
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross ARCH=arm 

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

All errors (new ones prefixed by >>):

>> ld.lld: error: undefined symbol: devm_led_classdev_register_ext
   >>> referenced by phy_led.c:63 (drivers/net/phy/phy_led.c:63)
   >>> net/phy/phy_led.o:(of_phy_register_leds) in archive drivers/built-in.a

0-DAY CI Kernel Test Service, Intel Corporation

Download attachment ".config.gz" of type "application/gzip" (28099 bytes)

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