Re: [PATCH v3 07/13] iio: imu: add Kconfig and Makefile for inv_icm42600 driver

From: kernel test robot <lkp@intel.com>
To: Jean-Baptiste Maneyrol <jmaneyrol@invensense.com>,
	jic23@kernel.org, robh+dt@kernel.org, robh@kernel.org,
	mchehab+huawei@kernel.org, davem@davemloft.net,
	gregkh@linuxfoundation.org
Cc: kbuild-all@lists.01.org, clang-built-linux@googlegroups.com,
	linux-iio@vger.kernel.org, devicetree@vger.kernel.org,
	linux-kernel@vger.kernel.org,
	Jean-Baptiste Maneyrol <jmaneyrol@invensense.com>
Subject: Re: [PATCH v3 07/13] iio: imu: add Kconfig and Makefile for inv_icm42600 driver
Date: Tue, 9 Jun 2020 14:33:36 +0800	[thread overview]
Message-ID: <202006091435.5Z8KXEKV%lkp@intel.com> (raw)
In-Reply-To: <20200608204250.3291-8-jmaneyrol@invensense.com>

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Hi Jean-Baptiste,

Thank you for the patch! Yet something to improve:

[auto build test ERROR on iio/togreg]
[also build test ERROR on robh/for-next linus/master v5.7 next-20200608]
[if your patch is applied to the wrong git tree, please drop us a note to help
improve the system. BTW, we also suggest to use '--base' option to specify the
base tree in git format-patch, please see https://stackoverflow.com/a/37406982]

url:    https://github.com/0day-ci/linux/commits/Jean-Baptiste-Maneyrol/iio-imu-new-inv_icm42600-driver/20200609-044917
base:   https://git.kernel.org/pub/scm/linux/kernel/git/jic23/iio.git togreg
config: x86_64-allyesconfig (attached as .config)
compiler: clang version 11.0.0 (https://github.com/llvm/llvm-project e429cffd4f228f70c1d9df0e5d77c08590dd9766)
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@intel.com>

All errors (new ones prefixed by >>, old ones prefixed by <<):

>> drivers/iio/imu/inv_icm42600/inv_icm42600_core.c:91:63: error: passing 'const struct iio_dev *' to parameter of type 'struct iio_dev *' discards qualifiers [-Werror,-Wincompatible-pointer-types-discards-qualifiers]
const struct inv_icm42600_state *st = iio_device_get_drvdata(indio_dev);
^~~~~~~~~
include/linux/iio/iio.h:672:60: note: passing argument to parameter 'indio_dev' here
static inline void *iio_device_get_drvdata(struct iio_dev *indio_dev)
^
1 error generated.

vim +91 drivers/iio/imu/inv_icm42600/inv_icm42600_core.c

632e967c33fb32 Jean-Baptiste Maneyrol 2020-06-08  86  
632e967c33fb32 Jean-Baptiste Maneyrol 2020-06-08  87  const struct iio_mount_matrix *
632e967c33fb32 Jean-Baptiste Maneyrol 2020-06-08  88  inv_icm42600_get_mount_matrix(const struct iio_dev *indio_dev,
632e967c33fb32 Jean-Baptiste Maneyrol 2020-06-08  89  			      const struct iio_chan_spec *chan)
632e967c33fb32 Jean-Baptiste Maneyrol 2020-06-08  90  {
632e967c33fb32 Jean-Baptiste Maneyrol 2020-06-08 @91  	const struct inv_icm42600_state *st = iio_device_get_drvdata(indio_dev);
632e967c33fb32 Jean-Baptiste Maneyrol 2020-06-08  92  
632e967c33fb32 Jean-Baptiste Maneyrol 2020-06-08  93  	return &st->orientation;
632e967c33fb32 Jean-Baptiste Maneyrol 2020-06-08  94  }
632e967c33fb32 Jean-Baptiste Maneyrol 2020-06-08  95  

:::::: The code at line 91 was first introduced by commit
:::::: 632e967c33fb32bb0a2a2f85a2a8d2e6d2b125f3 iio: imu: inv_icm42600: add core of new inv_icm42600 driver

:::::: TO: Jean-Baptiste Maneyrol <jmaneyrol@invensense.com>
:::::: CC: 0day robot <lkp@intel.com>

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

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