linux-kernel - Re: [PATCH] drivers: gpio: use of_match_ptr() and ACPI

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Message-ID: <202011180304.0S52cRpO-lkp@intel.com>
Date:   Wed, 18 Nov 2020 03:30:38 +0800
From:   kernel test robot <lkp@...el.com>
To:     "Enrico Weigelt, metux IT consult" <info@...ux.net>,
        linux-kernel@...r.kernel.org
Cc:     kbuild-all@...ts.01.org, clang-built-linux@...glegroups.com,
        linus.walleij@...aro.org, bgolaszewski@...libre.com,
        andrew@...id.au, albeu@...e.fr, f.fainelli@...il.com,
        sbranden@...adcom.com, bcm-kernel-feedback-list@...adcom.com,
        Eugeniy.Paltsev@...opsys.com, hoan@...amperecomputing.com
Subject: Re: [PATCH] drivers: gpio: use of_match_ptr() and ACPI_PTR() macros

Hi "Enrico,

I love your patch! Perhaps something to improve:

[auto build test WARNING on gpio/for-next]
[also build test WARNING on joel-aspeed/for-next v5.10-rc4 next-20201117]
[cannot apply to xlnx/master]
[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/Enrico-Weigelt-metux-IT-consult/drivers-gpio-use-of_match_ptr-and-ACPI_PTR-macros/20201117-234621
base:   https://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-gpio.git for-next
config: x86_64-randconfig-r032-20201117 (attached as .config)
compiler: clang version 12.0.0 (https://github.com/llvm/llvm-project ace9653c11c6308401dcda2e8b26bf97e6e66e30)
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://github.com/0day-ci/linux/commit/36e4dc1edd4f6c7679f654c393616dafd4ffa73c
        git remote add linux-review https://github.com/0day-ci/linux
        git fetch --no-tags linux-review Enrico-Weigelt-metux-IT-consult/drivers-gpio-use-of_match_ptr-and-ACPI_PTR-macros/20201117-234621
        git checkout 36e4dc1edd4f6c7679f654c393616dafd4ffa73c
        # 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/gpio/gpio-palmas.c:137:34: warning: unused variable 'of_palmas_gpio_match' [-Wunused-const-variable]
   static const struct of_device_id of_palmas_gpio_match[] = {
                                    ^
   1 warning generated.
--
>> drivers/gpio/gpio-pca9570.c:128:34: warning: unused variable 'pca9570_of_match_table' [-Wunused-const-variable]
   static const struct of_device_id pca9570_of_match_table[] = {
                                    ^
   1 warning generated.
--
>> drivers/gpio/gpio-pisosr.c:183:34: warning: unused variable 'pisosr_gpio_of_match_table' [-Wunused-const-variable]
   static const struct of_device_id pisosr_gpio_of_match_table[] = {
                                    ^
   1 warning generated.

vim +/of_palmas_gpio_match +137 drivers/gpio/gpio-palmas.c

ca6af7b96ab6213 Laxman Dewangan 2013-09-03  136  
722782fee83b716 Jingoo Han      2014-05-07 @137  static const struct of_device_id of_palmas_gpio_match[] = {
ca6af7b96ab6213 Laxman Dewangan 2013-09-03  138  	{ .compatible = "ti,palmas-gpio", .data = &palmas_dev_data,},
ca6af7b96ab6213 Laxman Dewangan 2013-09-03  139  	{ .compatible = "ti,tps65913-gpio", .data = &palmas_dev_data,},
ca6af7b96ab6213 Laxman Dewangan 2013-09-03  140  	{ .compatible = "ti,tps65914-gpio", .data = &palmas_dev_data,},
ca6af7b96ab6213 Laxman Dewangan 2013-09-03  141  	{ .compatible = "ti,tps80036-gpio", .data = &tps80036_dev_data,},
ca6af7b96ab6213 Laxman Dewangan 2013-09-03  142  	{ },
ca6af7b96ab6213 Laxman Dewangan 2013-09-03  143  };
ca6af7b96ab6213 Laxman Dewangan 2013-09-03  144  

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

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