linux-kernel - ld.lld: error: undefined symbol: bcm_ptp_config

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Date:   Sun, 23 Oct 2022 10:09:10 +0800
From:   kernel test robot <lkp@...el.com>
To:     Jonathan Lemon <jonathan.lemon@...il.com>
Cc:     llvm@...ts.linux.dev, kbuild-all@...ts.01.org,
        linux-kernel@...r.kernel.org, Jakub Kicinski <kuba@...nel.org>,
        Florian Fainelli <f.fainelli@...il.com>
Subject: ld.lld: error: undefined symbol: bcm_ptp_config_init

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head:   d47136c2801540e80f41ec7e063d8d592568ad76
commit: 39db6be781cd7dfd44ea259acecaf23f8685550b net: phy: broadcom: Add PTP support for some Broadcom PHYs.
date:   4 months ago
config: arm64-randconfig-r013-20221023
compiler: clang version 16.0.0 (https://github.com/llvm/llvm-project 791a7ae1ba3efd6bca96338e10ffde557ba83920)
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
        # install arm64 cross compiling tool for clang build
        # apt-get install binutils-aarch64-linux-gnu
        # https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=39db6be781cd7dfd44ea259acecaf23f8685550b
        git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
        git fetch --no-tags linus master
        git checkout 39db6be781cd7dfd44ea259acecaf23f8685550b
        # save the config file
        mkdir build_dir && cp config build_dir/.config
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=arm64 SHELL=/bin/bash

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

All errors (new ones prefixed by >>):

>> ld.lld: error: undefined symbol: bcm_ptp_config_init
   >>> referenced by broadcom.c
   >>>               net/phy/broadcom.o:(bcm54xx_config_init) in archive drivers/built-in.a
--
>> ld.lld: error: undefined symbol: bcm_ptp_probe
   >>> referenced by broadcom.c
   >>>               net/phy/broadcom.o:(bcm54xx_phy_probe) in archive drivers/built-in.a
--
>> ld.lld: error: undefined symbol: bcm_ptp_stop
   >>> referenced by broadcom.c
   >>>               net/phy/broadcom.o:(bcm54xx_suspend) in archive drivers/built-in.a

Kconfig warnings: (for reference only)
   WARNING: unmet direct dependencies detected for BROADCOM_PHY
   Depends on [m]: NETDEVICES [=y] && PHYLIB [=y] && PTP_1588_CLOCK_OPTIONAL [=m]
   Selected by [y]:
   - BCMGENET [=y] && NETDEVICES [=y] && ETHERNET [=y] && NET_VENDOR_BROADCOM [=y] && HAS_IOMEM [=y] && ARCH_BCM2835 [=y]

-- 
0-DAY CI Kernel Test Service
https://01.org/lkp

View attachment "config" of type "text/plain" (207001 bytes)