Re: [PATCH v2 2/2] iio: adc: adding support for PAC194X
From: kernel test robot
Date: Wed Mar 19 2025 - 03:31:22 EST
Hi,
kernel test robot noticed the following build warnings:
[auto build test WARNING on 577a66e2e634f712384c57a98f504c44ea4b47da]
url: https://github.com/intel-lab-lkp/linux/commits/marius-cristea-microchip-com/dt-bindings-iio-adc-adding-support-for-PAC194X/20250317-171150
base: 577a66e2e634f712384c57a98f504c44ea4b47da
patch link: https://lore.kernel.org/r/20250317090803.30003-3-marius.cristea%40microchip.com
patch subject: [PATCH v2 2/2] iio: adc: adding support for PAC194X
config: microblaze-randconfig-r131-20250319 (https://download.01.org/0day-ci/archive/20250319/202503191502.hwDCBZeN-lkp@xxxxxxxxx/config)
compiler: microblaze-linux-gcc (GCC) 7.5.0
reproduce: (https://download.01.org/0day-ci/archive/20250319/202503191502.hwDCBZeN-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/202503191502.hwDCBZeN-lkp@xxxxxxxxx/
sparse warnings: (new ones prefixed by >>)
>> drivers/iio/adc/pac1944.c:813:55: sparse: sparse: incorrect type in argument 3 (different base types) @@ expected unsigned short [usertype] value @@ got restricted __be16 [assigned] [usertype] tmp_be16 @@
drivers/iio/adc/pac1944.c:813:55: sparse: expected unsigned short [usertype] value
drivers/iio/adc/pac1944.c:813:55: sparse: got restricted __be16 [assigned] [usertype] tmp_be16
>> drivers/iio/adc/pac1944.c:2148:80: sparse: sparse: incorrect type in argument 3 (different base types) @@ expected unsigned short [usertype] value @@ got restricted __be16 [addressable] [assigned] [usertype] tmp_be16 @@
drivers/iio/adc/pac1944.c:2148:80: sparse: expected unsigned short [usertype] value
drivers/iio/adc/pac1944.c:2148:80: sparse: got restricted __be16 [addressable] [assigned] [usertype] tmp_be16
>> drivers/iio/adc/pac1944.c:2936:79: sparse: sparse: incorrect type in argument 3 (different base types) @@ expected unsigned short [usertype] value @@ got restricted __be16 [usertype] @@
drivers/iio/adc/pac1944.c:2936:79: sparse: expected unsigned short [usertype] value
drivers/iio/adc/pac1944.c:2936:79: sparse: got restricted __be16 [usertype]
drivers/iio/adc/pac1944.c:2953:72: sparse: sparse: incorrect type in argument 3 (different base types) @@ expected unsigned short [usertype] value @@ got restricted __be16 [usertype] @@
drivers/iio/adc/pac1944.c:2953:72: sparse: expected unsigned short [usertype] value
drivers/iio/adc/pac1944.c:2953:72: sparse: got restricted __be16 [usertype]
vim +813 drivers/iio/adc/pac1944.c
794
795 static int pac1944_update_alert_16b(struct device *dev, u8 addr,
796 u32 mask, u16 value)
797 {
798 struct iio_dev *indio_dev = dev_to_iio_dev(dev);
799 struct pac1944_chip_info *info = iio_priv(indio_dev);
800 struct i2c_client *client = info->client;
801 int ret;
802 __be16 tmp_be16;
803 u8 status[PAC1944_ALERT_ENABLE_REG_LEN];
804
805 ret = pac1944_disable_alert_reg(dev, mask, &status[0]);
806 if (ret) {
807 dev_err(dev, "failing to write %s\n", __func__);
808 return ret;
809 }
810
811 tmp_be16 = cpu_to_be16(value);
812
> 813 ret = i2c_smbus_write_word_data(client, addr, tmp_be16);
814 if (ret) {
815 dev_err(dev, "failing to write %s\n", __func__);
816 return ret;
817 }
818
819 return pac1944_restore_alert_reg(indio_dev, &status[0]);
820 }
821
--
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki