linux-kernel - Re: [PATCH] iio: humidity: hdc100x: Add ACPI HID table

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Message-ID: <202112271213.Z6jyi5YK-lkp@intel.com>
Date:   Mon, 27 Dec 2021 12:11:44 +0800
From:   kernel test robot <lkp@...el.com>
To:     Kai-Heng Feng <kai.heng.feng@...onical.com>, jic23@...nel.org,
        lars@...afoo.de
Cc:     llvm@...ts.linux.dev, kbuild-all@...ts.01.org,
        Kai-Heng Feng <kai.heng.feng@...onical.com>,
        Matt Ranostay <matt.ranostay@...sulko.com>,
        Chris Lesiak <chris.lesiak@...or.com>,
        linux-iio@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] iio: humidity: hdc100x: Add ACPI HID table

Hi Kai-Heng,

Thank you for the patch! Perhaps something to improve:

[auto build test WARNING on jic23-iio/togreg]
[also build test WARNING on v5.16-rc7 next-20211224]
[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/Kai-Heng-Feng/iio-humidity-hdc100x-Add-ACPI-HID-table/20211224-230046
base:   https://git.kernel.org/pub/scm/linux/kernel/git/jic23/iio.git togreg
config: mips-randconfig-c004-20211227 (https://download.01.org/0day-ci/archive/20211227/202112271213.Z6jyi5YK-lkp@intel.com/config)
compiler: clang version 14.0.0 (https://github.com/llvm/llvm-project 511726c64d3b6cca66f7c54d457d586aa3129f67)
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 mips cross compiling tool for clang build
        # apt-get install binutils-mips-linux-gnu
        # https://github.com/0day-ci/linux/commit/59648fe59d706ab2b9e719418c490d505ee5cc93
        git remote add linux-review https://github.com/0day-ci/linux
        git fetch --no-tags linux-review Kai-Heng-Feng/iio-humidity-hdc100x-Add-ACPI-HID-table/20211224-230046
        git checkout 59648fe59d706ab2b9e719418c490d505ee5cc93
        # save the config file to linux build tree
        mkdir build_dir
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=mips SHELL=/bin/bash drivers/iio/humidity/

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/iio/humidity/hdc100x.c:420:36: warning: unused variable 'hdc100x_acpi_match' [-Wunused-const-variable]
   static const struct acpi_device_id hdc100x_acpi_match[] = {
                                      ^
   1 warning generated.


vim +/hdc100x_acpi_match +420 drivers/iio/humidity/hdc100x.c

   419	
 > 420	static const struct acpi_device_id hdc100x_acpi_match[] = {
   421		{"HDC1010"},
   422		{ },
   423	};
   424	

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