linux-kernel - Re: [PATCH 1/3] phy: ti: am654: simplify regfield handling

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Message-ID: <202007262314.Fv2uxXcV%lkp@intel.com>
Date:   Sun, 26 Jul 2020 23:24:13 +0800
From:   kernel test robot <lkp@...el.com>
To:     Sekhar Nori <nsekhar@...com>,
        Kishon Vijay Abraham I <kishon@...com>,
        Vinod Koul <vkoul@...nel.org>
Cc:     kbuild-all@...ts.01.org, clang-built-linux@...glegroups.com,
        linux-kernel@...r.kernel.org, Sekhar Nori <nsekhar@...com>
Subject: Re: [PATCH 1/3] phy: ti: am654: simplify regfield handling

Hi Sekhar,

I love your patch! Perhaps something to improve:

[auto build test WARNING on linux/master]
[also build test WARNING on linus/master v5.8-rc6 next-20200724]
[cannot apply to phy/next]
[If your patch is applied to the wrong git tree, kindly drop us a note.
And when submitting patch, we suggest to use '--base' as documented in
https://git-scm.com/docs/git-format-patch]

url:    https://github.com/0day-ci/linux/commits/Sekhar-Nori/phy-ti-am654-improve-PCIe-enumeration-performance/20200726-030750
base:   https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git 9ebcfadb0610322ac537dd7aa5d9cbc2b2894c68
config: x86_64-allyesconfig (attached as .config)
compiler: clang version 12.0.0 (https://github.com/llvm/llvm-project 8bf4c1f4fb257774f66c8cda07adc6c5e8668326)
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
        # 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/phy/ti/phy-am654-serdes.c:126:31: warning: unused variable 'pll_ok' [-Wunused-const-variable]
   static const struct reg_field pll_ok = REG_FIELD(WIZ_PLL_CTRL, 28, 28);
                                 ^
   1 warning generated.

vim +/pll_ok +126 drivers/phy/ti/phy-am654-serdes.c

009af0353594e1 Sekhar Nori            2020-07-26  125  
71e2f5c5c2249d Kishon Vijay Abraham I 2019-04-17 @126  static const struct reg_field pll_ok = REG_FIELD(WIZ_PLL_CTRL, 28, 28);
71e2f5c5c2249d Kishon Vijay Abraham I 2019-04-17  127  

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

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