linux-kernel - drivers/pci/controller/dwc/pci-keystone.c:1127:34: warning: unused variable 'ks_pcie_of

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Message-ID: <202012311002.MweKcqkN-lkp@intel.com>
Date:   Thu, 31 Dec 2020 10:20:09 +0800
From:   kernel test robot <lkp@...el.com>
To:     Alex Dewar <alex.dewar90@...il.com>
Cc:     kbuild-all@...ts.01.org, clang-built-linux@...glegroups.com,
        linux-kernel@...r.kernel.org,
        Lorenzo Pieralisi <lorenzo.pieralisi@....com>
Subject: drivers/pci/controller/dwc/pci-keystone.c:1127:34: warning: unused
 variable 'ks_pcie_of_match'

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head:   f6e1ea19649216156576aeafa784e3b4cee45549
commit: 476b70b4d1adff4465e9ff68021c52858555ac28 PCI: keystone: Enable compile-testing on !ARM
date:   6 weeks ago
config: x86_64-randconfig-a001-20201231 (attached as .config)
compiler: clang version 12.0.0 (https://github.com/llvm/llvm-project 3c0d36f977d9e012b245c796ddc8596ac3af659b)
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 x86_64 cross compiling tool for clang build
        # apt-get install binutils-x86-64-linux-gnu
        # https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=476b70b4d1adff4465e9ff68021c52858555ac28
        git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
        git fetch --no-tags linus master
        git checkout 476b70b4d1adff4465e9ff68021c52858555ac28
        # save the attached .config to linux build tree
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross ARCH=x86_64 

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

All warnings (new ones prefixed by >>):

>> drivers/pci/controller/dwc/pci-keystone.c:1127:34: warning: unused variable 'ks_pcie_of_match' [-Wunused-const-variable]
   static const struct of_device_id ks_pcie_of_match[] = {
                                    ^
   1 warning generated.


vim +/ks_pcie_of_match +1127 drivers/pci/controller/dwc/pci-keystone.c

18b0415bc802a8b Kishon Vijay Abraham I 2019-03-25  1126  
18b0415bc802a8b Kishon Vijay Abraham I 2019-03-25 @1127  static const struct of_device_id ks_pcie_of_match[] = {
18b0415bc802a8b Kishon Vijay Abraham I 2019-03-25  1128  	{
18b0415bc802a8b Kishon Vijay Abraham I 2019-03-25  1129  		.type = "pci",
18b0415bc802a8b Kishon Vijay Abraham I 2019-03-25  1130  		.data = &ks_pcie_rc_of_data,
18b0415bc802a8b Kishon Vijay Abraham I 2019-03-25  1131  		.compatible = "ti,keystone-pcie",
18b0415bc802a8b Kishon Vijay Abraham I 2019-03-25  1132  	},
18b0415bc802a8b Kishon Vijay Abraham I 2019-03-25  1133  	{
18b0415bc802a8b Kishon Vijay Abraham I 2019-03-25  1134  		.data = &ks_pcie_am654_rc_of_data,
18b0415bc802a8b Kishon Vijay Abraham I 2019-03-25  1135  		.compatible = "ti,am654-pcie-rc",
18b0415bc802a8b Kishon Vijay Abraham I 2019-03-25  1136  	},
23284ad677a94f2 Kishon Vijay Abraham I 2019-03-25  1137  	{
23284ad677a94f2 Kishon Vijay Abraham I 2019-03-25  1138  		.data = &ks_pcie_am654_ep_of_data,
23284ad677a94f2 Kishon Vijay Abraham I 2019-03-25  1139  		.compatible = "ti,am654-pcie-ep",
23284ad677a94f2 Kishon Vijay Abraham I 2019-03-25  1140  	},
18b0415bc802a8b Kishon Vijay Abraham I 2019-03-25  1141  	{ },
18b0415bc802a8b Kishon Vijay Abraham I 2019-03-25  1142  };
18b0415bc802a8b Kishon Vijay Abraham I 2019-03-25  1143  

:::::: The code at line 1127 was first introduced by commit
:::::: 18b0415bc802a8bab5dedba5ae2757e83259e6ee PCI: keystone: Add support for PCIe RC in AM654x Platforms

:::::: TO: Kishon Vijay Abraham I <kishon@...com>
:::::: CC: Lorenzo Pieralisi <lorenzo.pieralisi@....com>

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

Download attachment ".config.gz" of type "application/gzip" (39556 bytes)