linux-kernel - [chenxing:msc313_mainlining 40/69] drivers/pinctrl/mstar/pinctrl-msc313-pm.c:35:27: warning: unused variable 'pm_uart

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Message-ID: <202111211031.sUCX99YF-lkp@intel.com>
Date:   Sun, 21 Nov 2021 10:00:37 +0800
From:   kernel test robot <lkp@...el.com>
To:     Daniel Palmer <daniel@...f.com>
Cc:     llvm@...ts.linux.dev, kbuild-all@...ts.01.org,
        linux-kernel@...r.kernel.org
Subject: [chenxing:msc313_mainlining 40/69]
 drivers/pinctrl/mstar/pinctrl-msc313-pm.c:35:27: warning: unused variable
 'pm_uart_groups'

Hi Daniel,

First bad commit (maybe != root cause):

tree:   git://github.com/linux-chenxing/linux.git msc313_mainlining
head:   df6df62e60f3a32773b02a41e0d6a4e0f2b353b5
commit: baf52d9889a05e4a516eb56f326b4e6525dc0fa8 [40/69] pinctrl: mstar: msc313 pinctrl driver
config: riscv-randconfig-r002-20211120 (attached as .config)
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 riscv cross compiling tool for clang build
        # apt-get install binutils-riscv64-linux-gnu
        # https://github.com/linux-chenxing/linux/commit/baf52d9889a05e4a516eb56f326b4e6525dc0fa8
        git remote add chenxing git://github.com/linux-chenxing/linux.git
        git fetch --no-tags chenxing msc313_mainlining
        git checkout baf52d9889a05e4a516eb56f326b4e6525dc0fa8
        # save the attached .config to linux build tree
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 ARCH=riscv 

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/pinctrl/mstar/pinctrl-msc313-pm.c:35:27: warning: unused variable 'pm_uart_groups' [-Wunused-const-variable]
   static const char * const pm_uart_groups[] = {
                             ^
>> drivers/pinctrl/mstar/pinctrl-msc313-pm.c:39:27: warning: unused variable 'pm_spi_groups' [-Wunused-const-variable]
   static const char * const pm_spi_groups[] = {
                             ^
>> drivers/pinctrl/mstar/pinctrl-msc313-pm.c:43:27: warning: unused variable 'pm_irin_groups' [-Wunused-const-variable]
   static const char * const pm_irin_groups[] = {
                             ^
   3 warnings generated.


vim +/pm_uart_groups +35 drivers/pinctrl/mstar/pinctrl-msc313-pm.c

c4e1ce29f34995 Daniel Palmer 2021-01-10  34  
c4e1ce29f34995 Daniel Palmer 2021-01-10 @35  static const char * const pm_uart_groups[] = {
c4e1ce29f34995 Daniel Palmer 2021-01-10  36  	GROUPNAME_PM_UART,
c4e1ce29f34995 Daniel Palmer 2021-01-10  37  };
c4e1ce29f34995 Daniel Palmer 2021-01-10  38  
c4e1ce29f34995 Daniel Palmer 2021-01-10 @39  static const char * const pm_spi_groups[] = {
c4e1ce29f34995 Daniel Palmer 2021-01-10  40  	GROUPNAME_PM_SPI,
c4e1ce29f34995 Daniel Palmer 2021-01-10  41  };
c4e1ce29f34995 Daniel Palmer 2021-01-10  42  
c4e1ce29f34995 Daniel Palmer 2021-01-10 @43  static const char * const pm_irin_groups[] = {
c4e1ce29f34995 Daniel Palmer 2021-01-10  44  	GROUPNAME_PM_IRIN,
c4e1ce29f34995 Daniel Palmer 2021-01-10  45  };
c4e1ce29f34995 Daniel Palmer 2021-01-10  46  

:::::: The code at line 35 was first introduced by commit
:::::: c4e1ce29f349954fb2dbcae8047330e375dbbae1 pinctrl: mstar: msc313 pm pinctrl driver

:::::: TO: Daniel Palmer <daniel@...f.com>
:::::: CC: Daniel Palmer <daniel@...f.com>

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

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