drivers/pci/controller/pcie-mt7621.c:549:34: warning: unused variable 'mt7621_pcie_ids'

From: kernel test robot
Date: Mon Jan 24 2022 - 05:00:44 EST


tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head: dd81e1c7d5fb126e5fbc5c9e334d7b3ec29a16a0
commit: 87c71931633bd15e9cfd51d4a4d9cd685e8cdb55 Merge branch 'pci/driver-cleanup'
date: 11 days ago
config: mips-randconfig-r031-20220124 (https://download.01.org/0day-ci/archive/20220124/202201241754.igtHzgHv-lkp@xxxxxxxxx/config)
compiler: clang version 14.0.0 (https://github.com/llvm/llvm-project 7b3d30728816403d1fd73cc5082e9fb761262bce)
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=87c71931633bd15e9cfd51d4a4d9cd685e8cdb55
git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
git fetch --no-tags linus master
git checkout 87c71931633bd15e9cfd51d4a4d9cd685e8cdb55
# save the config file to linux build tree
mkdir build_dir
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=mips SHELL=/bin/bash drivers/pci/controller/

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

All warnings (new ones prefixed by >>):

drivers/pci/controller/pcie-mt7621.c:112:20: warning: unused function 'pcie_rmw' [-Wunused-function]
static inline void pcie_rmw(struct mt7621_pcie *pcie, u32 reg, u32 clr, u32 set)
^
>> drivers/pci/controller/pcie-mt7621.c:549:34: warning: unused variable 'mt7621_pcie_ids' [-Wunused-const-variable]
static const struct of_device_id mt7621_pcie_ids[] = {
^
2 warnings generated.


vim +/mt7621_pcie_ids +549 drivers/pci/controller/pcie-mt7621.c

03f152e31f4ae89 drivers/staging/mt7621-pci/pci-mt7621.c John Crispin 2018-03-15 548
4793895f597d42e drivers/pci/controller/pcie-mt7621.c Bjorn Helgaas 2021-12-22 @549 static const struct of_device_id mt7621_pcie_ids[] = {
03f152e31f4ae89 drivers/staging/mt7621-pci/pci-mt7621.c John Crispin 2018-03-15 550 { .compatible = "mediatek,mt7621-pci" },
03f152e31f4ae89 drivers/staging/mt7621-pci/pci-mt7621.c John Crispin 2018-03-15 551 {},
03f152e31f4ae89 drivers/staging/mt7621-pci/pci-mt7621.c John Crispin 2018-03-15 552 };
4793895f597d42e drivers/pci/controller/pcie-mt7621.c Bjorn Helgaas 2021-12-22 553 MODULE_DEVICE_TABLE(of, mt7621_pcie_ids);
03f152e31f4ae89 drivers/staging/mt7621-pci/pci-mt7621.c John Crispin 2018-03-15 554

:::::: The code at line 549 was first introduced by commit
:::::: 4793895f597d42eb54a0f54711b61263b6a8dd03 PCI: mt7621: Rename mt7621_pci_ to mt7621_pcie_

:::::: TO: Bjorn Helgaas <bhelgaas@xxxxxxxxxx>
:::::: CC: Bjorn Helgaas <bhelgaas@xxxxxxxxxx>

---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@xxxxxxxxxxxx