[abelloni:rtc-next 53/57] drivers/rtc/rtc-isl12022.c:104:10: error: initializing 'const struct hwmon_channel_info **' with an expression of type 'const struct hwmon_channel_info *const[2]' discards qualifiers

[kernel test robot <lkp@intel.com>]

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/abelloni/linux.git rtc-next
head:   2c1afd03f007ce89de38d7ca355f05330c6038f0
commit: a176de9fffcb97ee885b2ade3dbb23dc9be33b29 [53/57] rtc: isl12022: constify pointers to hwmon_channel_info
config: hexagon-randconfig-r036-20230427 (https://download.01.org/0day-ci/archive/20230428/202304281158.eGVSqzMM-lkp@intel.com/config)
compiler: clang version 17.0.0 (https://github.com/llvm/llvm-project 437b7602e4a998220871de78afcb020b9c14a661)
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/abelloni/linux.git/commit/?id=a176de9fffcb97ee885b2ade3dbb23dc9be33b29
        git remote add abelloni https://git.kernel.org/pub/scm/linux/kernel/git/abelloni/linux.git
        git fetch --no-tags abelloni rtc-next
        git checkout a176de9fffcb97ee885b2ade3dbb23dc9be33b29
        # save the config file
        mkdir build_dir && cp config build_dir/.config
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=hexagon olddefconfig
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=hexagon SHELL=/bin/bash drivers/rtc/

If you fix the issue, kindly add following tag where applicable
| Reported-by: kernel test robot <lkp@intel.com>
| Link: https://lore.kernel.org/oe-kbuild-all/202304281158.eGVSqzMM-lkp@intel.com/

All errors (new ones prefixed by >>):

   In file included from drivers/rtc/rtc-isl12022.c:14:
   In file included from include/linux/i2c.h:19:
   In file included from include/linux/regulator/consumer.h:35:
   In file included from include/linux/suspend.h:5:
   In file included from include/linux/swap.h:9:
   In file included from include/linux/memcontrol.h:13:
   In file included from include/linux/cgroup.h:26:
   In file included from include/linux/kernel_stat.h:9:
   In file included from include/linux/interrupt.h:11:
   In file included from include/linux/hardirq.h:11:
   In file included from ./arch/hexagon/include/generated/asm/hardirq.h:1:
   In file included from include/asm-generic/hardirq.h:17:
   In file included from include/linux/irq.h:20:
   In file included from include/linux/io.h:13:
   In file included from arch/hexagon/include/asm/io.h:334:
   include/asm-generic/io.h:547:31: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
           val = __raw_readb(PCI_IOBASE + addr);
                             ~~~~~~~~~~ ^
   include/asm-generic/io.h:560:61: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
           val = __le16_to_cpu((__le16 __force)__raw_readw(PCI_IOBASE + addr));
                                                           ~~~~~~~~~~ ^
   include/uapi/linux/byteorder/little_endian.h:37:51: note: expanded from macro '__le16_to_cpu'
   #define __le16_to_cpu(x) ((__force __u16)(__le16)(x))
                                                     ^
   In file included from drivers/rtc/rtc-isl12022.c:14:
   In file included from include/linux/i2c.h:19:
   In file included from include/linux/regulator/consumer.h:35:
   In file included from include/linux/suspend.h:5:
   In file included from include/linux/swap.h:9:
   In file included from include/linux/memcontrol.h:13:
   In file included from include/linux/cgroup.h:26:
   In file included from include/linux/kernel_stat.h:9:
   In file included from include/linux/interrupt.h:11:
   In file included from include/linux/hardirq.h:11:
   In file included from ./arch/hexagon/include/generated/asm/hardirq.h:1:
   In file included from include/asm-generic/hardirq.h:17:
   In file included from include/linux/irq.h:20:
   In file included from include/linux/io.h:13:
   In file included from arch/hexagon/include/asm/io.h:334:
   include/asm-generic/io.h:573:61: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
           val = __le32_to_cpu((__le32 __force)__raw_readl(PCI_IOBASE + addr));
                                                           ~~~~~~~~~~ ^
   include/uapi/linux/byteorder/little_endian.h:35:51: note: expanded from macro '__le32_to_cpu'
   #define __le32_to_cpu(x) ((__force __u32)(__le32)(x))
                                                     ^
   In file included from drivers/rtc/rtc-isl12022.c:14:
   In file included from include/linux/i2c.h:19:
   In file included from include/linux/regulator/consumer.h:35:
   In file included from include/linux/suspend.h:5:
   In file included from include/linux/swap.h:9:
   In file included from include/linux/memcontrol.h:13:
   In file included from include/linux/cgroup.h:26:
   In file included from include/linux/kernel_stat.h:9:
   In file included from include/linux/interrupt.h:11:
   In file included from include/linux/hardirq.h:11:
   In file included from ./arch/hexagon/include/generated/asm/hardirq.h:1:
   In file included from include/asm-generic/hardirq.h:17:
   In file included from include/linux/irq.h:20:
   In file included from include/linux/io.h:13:
   In file included from arch/hexagon/include/asm/io.h:334:
   include/asm-generic/io.h:584:33: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
           __raw_writeb(value, PCI_IOBASE + addr);
                               ~~~~~~~~~~ ^
   include/asm-generic/io.h:594:59: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
           __raw_writew((u16 __force)cpu_to_le16(value), PCI_IOBASE + addr);
                                                         ~~~~~~~~~~ ^
   include/asm-generic/io.h:604:59: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
           __raw_writel((u32 __force)cpu_to_le32(value), PCI_IOBASE + addr);
                                                         ~~~~~~~~~~ ^
>> drivers/rtc/rtc-isl12022.c:104:10: error: initializing 'const struct hwmon_channel_info **' with an expression of type 'const struct hwmon_channel_info *const[2]' discards qualifiers [-Werror,-Wincompatible-pointer-types-discards-qualifiers]
           .info = isl12022_hwmon_info,
                   ^~~~~~~~~~~~~~~~~~~
   6 warnings and 1 error generated.


vim +104 drivers/rtc/rtc-isl12022.c

8d816c1eaa7525 Rasmus Villemoes 2022-11-04  101  
8d816c1eaa7525 Rasmus Villemoes 2022-11-04  102  static const struct hwmon_chip_info isl12022_hwmon_chip_info = {
8d816c1eaa7525 Rasmus Villemoes 2022-11-04  103  	.ops = &isl12022_hwmon_ops,
8d816c1eaa7525 Rasmus Villemoes 2022-11-04 @104  	.info = isl12022_hwmon_info,
8d816c1eaa7525 Rasmus Villemoes 2022-11-04  105  };
8d816c1eaa7525 Rasmus Villemoes 2022-11-04  106  

:::::: The code at line 104 was first introduced by commit
:::::: 8d816c1eaa752546fa3221f5027af0a667ff0c8f rtc: isl12022: add support for temperature sensor

:::::: TO: Rasmus Villemoes <linux@rasmusvillemoes.dk>
:::::: CC: Alexandre Belloni <alexandre.belloni@bootlin.com>

-- 
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https://github.com/intel/lkp-tests