linux-kernel - [mingo-tip:sched/headers 1541/2356] drivers/input/touchscreen/imagis.c:358:21: warning: incompatible integer to pointer conversion initializing 'const struct of_device

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Date:   Tue, 19 Apr 2022 09:11:55 +0800
From:   kernel test robot <lkp@...el.com>
To:     Ingo Molnar <mingo@...nel.org>
Cc:     llvm@...ts.linux.dev, kbuild-all@...ts.01.org,
        linux-kernel@...r.kernel.org
Subject: [mingo-tip:sched/headers 1541/2356]
 drivers/input/touchscreen/imagis.c:358:21: warning: incompatible integer to
 pointer conversion initializing 'const struct of_device_id *' with an
 expression of type 'int'

tree:   git://git.kernel.org/pub/scm/linux/kernel/git/mingo/tip.git sched/headers
head:   af93551cf39027d176f30b9beafc60a4c130998a
commit: 63245bf3e0db1d416f39a3ccb1311f94f37697f5 [1541/2356] headers/deps: i2c: Optimize <linux/i2c.h> header dependencies
config: i386-randconfig-a015-20220418 (https://download.01.org/0day-ci/archive/20220419/202204190945.vfrBnN8A-lkp@intel.com/config)
compiler: clang version 15.0.0 (https://github.com/llvm/llvm-project 429cbac0390654f90bba18a41799464adf31a5ec)
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
        # https://git.kernel.org/pub/scm/linux/kernel/git/mingo/tip.git/commit/?id=63245bf3e0db1d416f39a3ccb1311f94f37697f5
        git remote add mingo-tip git://git.kernel.org/pub/scm/linux/kernel/git/mingo/tip.git
        git fetch --no-tags mingo-tip sched/headers
        git checkout 63245bf3e0db1d416f39a3ccb1311f94f37697f5
        # 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=i386 SHELL=/bin/bash drivers/block/ drivers/clk/ drivers/iio/accel/ drivers/infiniband/core/ drivers/infiniband/ulp/ipoib/ drivers/input/touchscreen/ drivers/mmc/host/ drivers/net/dsa/ drivers/nvdimm/ drivers/powercap/ drivers/usb/typec/ init/ mm/damon/ net/dsa/ net/smc/ sound/soc/codecs/

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/input/touchscreen/imagis.c:358:21: error: implicit declaration of function 'of_match_ptr' is invalid in C99 [-Werror,-Wimplicit-function-declaration]
                   .of_match_table = of_match_ptr(imagis_of_match),
                                     ^
>> drivers/input/touchscreen/imagis.c:358:21: warning: incompatible integer to pointer conversion initializing 'const struct of_device_id *' with an expression of type 'int' [-Wint-conversion]
                   .of_match_table = of_match_ptr(imagis_of_match),
                                     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
   drivers/input/touchscreen/imagis.c:358:21: error: initializer element is not a compile-time constant
                   .of_match_table = of_match_ptr(imagis_of_match),
                                     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
   1 warning and 2 errors generated.


vim +358 drivers/input/touchscreen/imagis.c

a23ba3c043db9a Markuss Broks 2022-03-14  353  
a23ba3c043db9a Markuss Broks 2022-03-14  354  static struct i2c_driver imagis_ts_driver = {
a23ba3c043db9a Markuss Broks 2022-03-14  355  	.driver = {
a23ba3c043db9a Markuss Broks 2022-03-14  356  		.name = "imagis-touchscreen",
a23ba3c043db9a Markuss Broks 2022-03-14  357  		.pm = &imagis_pm_ops,
a23ba3c043db9a Markuss Broks 2022-03-14 @358  		.of_match_table = of_match_ptr(imagis_of_match),
a23ba3c043db9a Markuss Broks 2022-03-14  359  	},
a23ba3c043db9a Markuss Broks 2022-03-14  360  	.probe_new = imagis_probe,
a23ba3c043db9a Markuss Broks 2022-03-14  361  };
a23ba3c043db9a Markuss Broks 2022-03-14  362  

:::::: The code at line 358 was first introduced by commit
:::::: a23ba3c043db9a2e8c967a3ff66dcedc5725afdf Input: add Imagis touchscreen driver

:::::: TO: Markuss Broks <markuss.broks@...il.com>
:::::: CC: Dmitry Torokhov <dmitry.torokhov@...il.com>

-- 
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https://01.org/lkp