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

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Date:   Wed, 25 May 2022 12:58:21 +0800
From:   kernel test robot <lkp@...el.com>
To:     Tiezhu Yang <yangtiezhu@...ngson.cn>
Cc:     llvm@...ts.linux.dev, kbuild-all@...ts.01.org,
        linux-kernel@...r.kernel.org,
        Thomas Bogendoerfer <tsbogend@...ha.franken.de>
Subject: ld.lld: error: undefined symbol: pci_remap_iospace

Hi Tiezhu,

FYI, the error/warning still remains.

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head:   fdaf9a5840acaab18694a19e0eb0aa51162eeeed
commit: 09d97da660ff77df20984496aa0abcd6b88819f2 MIPS: Only define pci_remap_iospace() for Ralink
date:   6 months ago
config: mips-randconfig-r022-20220524 (https://download.01.org/0day-ci/archive/20220525/202205251247.nQ5cxSV6-lkp@intel.com/config)
compiler: clang version 15.0.0 (https://github.com/llvm/llvm-project 10c9ecce9f6096e18222a331c5e7d085bd813f75)
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 mips cross compiling tool for clang build
        # apt-get install binutils-mips-linux-gnu
        # https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=09d97da660ff77df20984496aa0abcd6b88819f2
        git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
        git fetch --no-tags linus master
        git checkout 09d97da660ff77df20984496aa0abcd6b88819f2
        # 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=mips 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: pci_remap_iospace
   >>> referenced by pci.c
   >>>               pci/pci.o:(devm_pci_remap_iospace) in archive drivers/built-in.a

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