Re: [PATCH v2 2/2] iio: adc: ad7173: add AD7173 driver

[Jonathan Cameron]

On Fri, 29 Sep 2023 07:29:01 +0800
kernel test robot <lkp@xxxxxxxxx> wrote:

> Hi Dumitru,
> 
> kernel test robot noticed the following build warnings:
> 
> [auto build test WARNING on jic23-iio/togreg]
> [also build test WARNING on linus/master v6.6-rc3 next-20230928]
> [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#_base_tree_information]
> 
> url:    https://github.com/intel-lab-lkp/linux/commits/Dumitru-Ceclan/iio-adc-ad7173-add-AD7173-driver/20230928-205802
> base:   https://git.kernel.org/pub/scm/linux/kernel/git/jic23/iio.git togreg
> patch link:    https://lore.kernel.org/r/20230928125443.615006-2-mitrutzceclan%40gmail.com
> patch subject: [PATCH v2 2/2] iio: adc: ad7173: add AD7173 driver
> config: sparc-allyesconfig (https://download.01.org/0day-ci/archive/20230929/202309290756.MgmIdaDl-lkp@xxxxxxxxx/config)
> compiler: sparc64-linux-gcc (GCC) 13.2.0
> reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20230929/202309290756.MgmIdaDl-lkp@xxxxxxxxx/reproduce)
> 
> If you fix the issue in a separate patch/commit (i.e. not just a new version of
> the same patch/commit), kindly add following tags
> | Reported-by: kernel test robot <lkp@xxxxxxxxx>
> | Closes: https://lore.kernel.org/oe-kbuild-all/202309290756.MgmIdaDl-lkp@xxxxxxxxx/
> 
> All warnings (new ones prefixed by >>):
> 
> >> drivers/iio/adc/ad7173.c:829:23: warning: initialization of 'long unsigned int' from 'const struct ad7173_device_info *' makes integer from pointer without a cast [-Wint-conversion]  
>      829 |         { "ad7172-2", &ad7173_device_info[ID_AD7172_2], },
>          |                       ^
>    drivers/iio/adc/ad7173.c:829:23: note: (near initialization for 'ad7173_id_table[0].driver_data')
>    drivers/iio/adc/ad7173.c:830:23: warning: initialization of 'long unsigned int' from 'const struct ad7173_device_info *' makes integer from pointer without a cast [-Wint-conversion]
>      830 |         { "ad7173-8", &ad7173_device_info[ID_AD7173_8], },
>          |                       ^
>    drivers/iio/adc/ad7173.c:830:23: note: (near initialization for 'ad7173_id_table[1].driver_data')
>    drivers/iio/adc/ad7173.c:831:23: warning: initialization of 'long unsigned int' from 'const struct ad7173_device_info *' makes integer from pointer without a cast [-Wint-conversion]
>      831 |         { "ad7175-2", &ad7173_device_info[ID_AD7175_2], },
>          |                       ^
>    drivers/iio/adc/ad7173.c:831:23: note: (near initialization for 'ad7173_id_table[2].driver_data')
>    drivers/iio/adc/ad7173.c:832:23: warning: initialization of 'long unsigned int' from 'const struct ad7173_device_info *' makes integer from pointer without a cast [-Wint-conversion]
>      832 |         { "ad7176-2", &ad7173_device_info[ID_AD7176_2], },
>          |                       ^
>    drivers/iio/adc/ad7173.c:832:23: note: (near initialization for 'ad7173_id_table[3].driver_data')
> 
> 
> vim +829 drivers/iio/adc/ad7173.c
> 
>    827	
>    828	static const struct spi_device_id ad7173_id_table[] = {
>  > 829		{ "ad7172-2", &ad7173_device_info[ID_AD7172_2], },  
>    830		{ "ad7173-8", &ad7173_device_info[ID_AD7173_8], },
>    831		{ "ad7175-2", &ad7173_device_info[ID_AD7175_2], },
>    832		{ "ad7176-2", &ad7173_device_info[ID_AD7176_2], },
Cast these to kernel_ulong_t as done in similar drivers like the ad7192

Jonathan


>    833		{ },
>    834	};
>    835	MODULE_DEVICE_TABLE(spi, ad7173_id_table);
>    836	
>