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Date:   Tue, 5 Oct 2021 21:06:13 +0800
From:   kernel test robot <lkp@...el.com>
To:     Kunihiko Hayashi <hayashi.kunihiko@...ionext.com>,
        Linus Walleij <linus.walleij@...aro.org>,
        Rob Herring <robh+dt@...nel.org>,
        Masami Hiramatsu <mhiramat@...nel.org>
Cc:     kbuild-all@...ts.01.org, linux-gpio@...r.kernel.org,
        devicetree@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
        linux-kernel@...r.kernel.org,
        Kunihiko Hayashi <hayashi.kunihiko@...ionext.com>
Subject: Re: [PATCH 3/3] pinctrl: uniphier: Add UniPhier NX1 pinctrl driver

Hi Kunihiko,

I love your patch! Yet something to improve:

[auto build test ERROR on linusw-pinctrl/devel]
[also build test ERROR on robh/for-next v5.15-rc3 next-20210922]
[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/Kunihiko-Hayashi/pinctrl-uniphier-Introduce-some-features-and-NX1-support/20211005-101346
base:   https://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-pinctrl.git devel
config: powerpc-allyesconfig (attached as .config)
compiler: powerpc64-linux-gcc (GCC) 11.2.0
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
        # https://github.com/0day-ci/linux/commit/c68781cbddcc323070eee04896f6f858840a60dc
        git remote add linux-review https://github.com/0day-ci/linux
        git fetch --no-tags linux-review Kunihiko-Hayashi/pinctrl-uniphier-Introduce-some-features-and-NX1-support/20211005-101346
        git checkout c68781cbddcc323070eee04896f6f858840a60dc
        # save the attached .config to linux build tree
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-11.2.0 make.cross ARCH=powerpc 

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

All errors (new ones prefixed by >>):

>> drivers/pinctrl/uniphier/pinctrl-uniphier-nx1.c:429:27: error: 'usb3_groups' defined but not used [-Werror=unused-const-variable=]
     429 | static const char * const usb3_groups[] = {"usb3"};
         |                           ^~~~~~~~~~~
>> drivers/pinctrl/uniphier/pinctrl-uniphier-nx1.c:428:27: error: 'usb2_groups' defined but not used [-Werror=unused-const-variable=]
     428 | static const char * const usb2_groups[] = {"usb2"};
         |                           ^~~~~~~~~~~
   cc1: all warnings being treated as errors


vim +/usb3_groups +429 drivers/pinctrl/uniphier/pinctrl-uniphier-nx1.c

   407	
   408	static const char * const emmc_groups[] = {"emmc", "emmc_dat8"};
   409	static const char * const ether_rgmii_groups[] = {"ether_rgmii"};
   410	static const char * const ether_rmii_groups[] = {"ether_rmii"};
   411	static const char * const i2c0_groups[] = {"i2c0"};
   412	static const char * const i2c1_groups[] = {"i2c1"};
   413	static const char * const i2c2_groups[] = {"i2c2"};
   414	static const char * const i2c3_groups[] = {"i2c3"};
   415	static const char * const i2c4_groups[] = {"i2c4"};
   416	static const char * const i2c5_groups[] = {"i2c5"};
   417	static const char * const i2c6_groups[] = {"i2c6"};
   418	static const char * const sd_groups[] = {"sd"};
   419	static const char * const spi0_groups[] = {"spi0"};
   420	static const char * const spi1_groups[] = {"spi1"};
   421	static const char * const uart0_groups[] = {"uart0"};
   422	static const char * const uart1_groups[] = {"uart1", "uart1_ctsrts",
   423						    "uart1_modem"};
   424	static const char * const uart2_groups[] = {"uart2", "uart2_ctsrts"};
   425	static const char * const uart3_groups[] = {"uart3"};
   426	static const char * const usb0_groups[] = {"usb0"};
   427	static const char * const usb1_groups[] = {"usb1"};
 > 428	static const char * const usb2_groups[] = {"usb2"};
 > 429	static const char * const usb3_groups[] = {"usb3"};
   430	

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

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