linux-kernel - Re: [PATCH v3 07/13] iio: imu: add Kconfig and Makefile for inv

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Message-ID: <202006090630.5zuVlCdS%lkp@intel.com>
Date:   Tue, 9 Jun 2020 07:03:53 +0800
From:   kernel test robot <lkp@...el.com>
To:     Jean-Baptiste Maneyrol <jmaneyrol@...ensense.com>,
        jic23@...nel.org, robh+dt@...nel.org, robh@...nel.org,
        mchehab+huawei@...nel.org, davem@...emloft.net,
        gregkh@...uxfoundation.org
Cc:     kbuild-all@...ts.01.org, linux-iio@...r.kernel.org,
        devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
        Jean-Baptiste Maneyrol <jmaneyrol@...ensense.com>
Subject: Re: [PATCH v3 07/13] iio: imu: add Kconfig and Makefile for
 inv_icm42600 driver

Hi Jean-Baptiste,

Thank you for the patch! Perhaps something to improve:

[auto build test WARNING on iio/togreg]
[also build test WARNING 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: ia64-allmodconfig (attached as .config)
compiler: ia64-linux-gcc (GCC) 9.3.0
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
        # save the attached .config to linux build tree
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross ARCH=ia64 

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 >>, old ones prefixed by <<):

drivers/iio/imu/inv_icm42600/inv_icm42600_core.c: In function 'inv_icm42600_get_mount_matrix':
>> drivers/iio/imu/inv_icm42600/inv_icm42600_core.c:91:63: warning: passing argument 1 of 'iio_device_get_drvdata' discards 'const' qualifier from pointer target type [-Wdiscarded-qualifiers]
91 |  const struct inv_icm42600_state *st = iio_device_get_drvdata(indio_dev);
|                                                               ^~~~~~~~~
In file included from drivers/iio/imu/inv_icm42600/inv_icm42600_core.c:15:
include/linux/iio/iio.h:672:60: note: expected 'struct iio_dev *' but argument is of type 'const struct iio_dev *'
672 | static inline void *iio_device_get_drvdata(struct iio_dev *indio_dev)
|                                            ~~~~~~~~~~~~~~~~^~~~~~~~~

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@...ensense.com>
:::::: CC: 0day robot <lkp@...el.com>

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

Download attachment ".config.gz" of type "application/gzip" (57852 bytes)