linux-kernel - Re: [PATCH] iio: adc: ti-adc128s052: Fix number of channels when device tree is used

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Date:   Fri, 1 Jul 2022 18:08:40 +0800
From:   kernel test robot <lkp@...el.com>
To:     Nishanth Menon <nm@...com>,
        Javier Martinez Canillas <javier@....samsung.com>,
        Nuno Sá <nuno.sa@...log.com>,
        Christophe JAILLET <christophe.jaillet@...adoo.fr>,
        Alexandru Ardelean <ardeleanalex@...il.com>,
        Lars-Peter Clausen <lars@...afoo.de>,
        Jonathan Cameron <jic23@...nel.org>
Cc:     kbuild-all@...ts.01.org, linux-kernel@...r.kernel.org,
        linux-iio@...r.kernel.org, stable@...r.kernel.org
Subject: Re: [PATCH] iio: adc: ti-adc128s052: Fix number of channels when
 device tree is used

Hi Nishanth,

I love your patch! Perhaps something to improve:

[auto build test WARNING on jic23-iio/togreg]
[also build test WARNING on linus/master v5.19-rc4 next-20220630]
[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/intel-lab-lkp/linux/commits/Nishanth-Menon/iio-adc-ti-adc128s052-Fix-number-of-channels-when-device-tree-is-used/20220701-070342
base:   https://git.kernel.org/pub/scm/linux/kernel/git/jic23/iio.git togreg
config: microblaze-randconfig-s032-20220629
compiler: microblaze-linux-gcc (GCC) 11.3.0
reproduce:
        wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
        chmod +x ~/bin/make.cross
        # apt-get install sparse
        # sparse version: v0.6.4-39-gce1a6720-dirty
        # https://github.com/intel-lab-lkp/linux/commit/d5184722ec9ae186da9bed1497e4804297f2040b
        git remote add linux-review https://github.com/intel-lab-lkp/linux
        git fetch --no-tags linux-review Nishanth-Menon/iio-adc-ti-adc128s052-Fix-number-of-channels-when-device-tree-is-used/20220701-070342
        git checkout d5184722ec9ae186da9bed1497e4804297f2040b
        # save the config file
        mkdir build_dir && cp config build_dir/.config
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-11.3.0 make.cross C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' O=build_dir ARCH=microblaze SHELL=/bin/bash drivers/iio/adc/

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


sparse warnings: (new ones prefixed by >>)
>> drivers/iio/adc/ti-adc128s052.c:184:50: sparse: sparse: Using plain integer as NULL pointer
>> drivers/iio/adc/ti-adc128s052.c:185:50: sparse: sparse: incorrect type in initializer (different base types) @@     expected void const *data @@     got int @@
   drivers/iio/adc/ti-adc128s052.c:185:50: sparse:     expected void const *data
   drivers/iio/adc/ti-adc128s052.c:185:50: sparse:     got int
   drivers/iio/adc/ti-adc128s052.c:186:50: sparse: sparse: incorrect type in initializer (different base types) @@     expected void const *data @@     got int @@
   drivers/iio/adc/ti-adc128s052.c:186:50: sparse:     expected void const *data
   drivers/iio/adc/ti-adc128s052.c:186:50: sparse:     got int
   drivers/iio/adc/ti-adc128s052.c:187:50: sparse: sparse: incorrect type in initializer (different base types) @@     expected void const *data @@     got int @@
   drivers/iio/adc/ti-adc128s052.c:187:50: sparse:     expected void const *data
   drivers/iio/adc/ti-adc128s052.c:187:50: sparse:     got int
   drivers/iio/adc/ti-adc128s052.c:188:50: sparse: sparse: incorrect type in initializer (different base types) @@     expected void const *data @@     got int @@
   drivers/iio/adc/ti-adc128s052.c:188:50: sparse:     expected void const *data
   drivers/iio/adc/ti-adc128s052.c:188:50: sparse:     got int
   drivers/iio/adc/ti-adc128s052.c:189:50: sparse: sparse: incorrect type in initializer (different base types) @@     expected void const *data @@     got int @@
   drivers/iio/adc/ti-adc128s052.c:189:50: sparse:     expected void const *data
   drivers/iio/adc/ti-adc128s052.c:189:50: sparse:     got int
   drivers/iio/adc/ti-adc128s052.c:190:50: sparse: sparse: incorrect type in initializer (different base types) @@     expected void const *data @@     got int @@
   drivers/iio/adc/ti-adc128s052.c:190:50: sparse:     expected void const *data
   drivers/iio/adc/ti-adc128s052.c:190:50: sparse:     got int

vim +184 drivers/iio/adc/ti-adc128s052.c

   182	
   183	static const struct of_device_id adc128_of_match[] = {
 > 184		{ .compatible = "ti,adc128s052", .data = 0},
 > 185		{ .compatible = "ti,adc122s021", .data = 1},
   186		{ .compatible = "ti,adc122s051", .data = 1},
   187		{ .compatible = "ti,adc122s101", .data = 1},
   188		{ .compatible = "ti,adc124s021", .data = 2},
   189		{ .compatible = "ti,adc124s051", .data = 2},
   190		{ .compatible = "ti,adc124s101", .data = 2},
   191		{ /* sentinel */ },
   192	};
   193	MODULE_DEVICE_TABLE(of, adc128_of_match);
   194	

-- 
0-DAY CI Kernel Test Service
https://01.org/lkp

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