Re: [PATCH 2/3] iio: pressure: bmp280: Add support for BMP380 sensor family
From: kernel test robot
Date: Sat Jun 25 2022 - 21:24:52 EST
Hi Angel,
Thank you for the patch! Perhaps something to improve:
[auto build test WARNING on jic23-iio/togreg]
[also build test WARNING on robh/for-next linus/master v5.19-rc3 next-20220624]
[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/Angel-Iglesias/dt-bindings-iio-pressure-bmp085-Add-BMP380-compatible-string/20220625-231424
base: https://git.kernel.org/pub/scm/linux/kernel/git/jic23/iio.git togreg
config: i386-randconfig-s001
compiler: gcc-11 (Debian 11.3.0-3) 11.3.0
reproduce:
# apt-get install sparse
# sparse version: v0.6.4-31-g4880bd19-dirty
# https://github.com/intel-lab-lkp/linux/commit/56e3f8aecddacdbe204fbe5e28032ef2befae647
git remote add linux-review https://github.com/intel-lab-lkp/linux
git fetch --no-tags linux-review Angel-Iglesias/dt-bindings-iio-pressure-bmp085-Add-BMP380-compatible-string/20220625-231424
git checkout 56e3f8aecddacdbe204fbe5e28032ef2befae647
# save the config file
mkdir build_dir && cp config build_dir/.config
make W=1 C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' O=build_dir ARCH=i386 SHELL=/bin/bash drivers/iio/pressure/
If you fix the issue, kindly add following tag where applicable
Reported-by: kernel test robot <lkp@xxxxxxxxx>
sparse warnings: (new ones prefixed by >>)
drivers/iio/pressure/bmp280-core.c:928:21: sparse: sparse: cast to restricted __le16
>> drivers/iio/pressure/bmp280-core.c:928:21: sparse: sparse: restricted __le16 degrades to integer
drivers/iio/pressure/bmp280-core.c:928:21: sparse: sparse: cast to restricted __le16
>> drivers/iio/pressure/bmp280-core.c:928:21: sparse: sparse: restricted __le16 degrades to integer
drivers/iio/pressure/bmp280-core.c:928:21: sparse: sparse: cast to restricted __le16
drivers/iio/pressure/bmp280-core.c:929:21: sparse: sparse: cast to restricted __le16
drivers/iio/pressure/bmp280-core.c:929:21: sparse: sparse: restricted __le16 degrades to integer
drivers/iio/pressure/bmp280-core.c:929:21: sparse: sparse: cast to restricted __le16
drivers/iio/pressure/bmp280-core.c:929:21: sparse: sparse: restricted __le16 degrades to integer
drivers/iio/pressure/bmp280-core.c:929:21: sparse: sparse: cast to restricted __le16
drivers/iio/pressure/bmp280-core.c:931:21: sparse: sparse: cast to restricted __le16
drivers/iio/pressure/bmp280-core.c:931:21: sparse: sparse: restricted __le16 degrades to integer
drivers/iio/pressure/bmp280-core.c:931:21: sparse: sparse: cast to restricted __le16
drivers/iio/pressure/bmp280-core.c:931:21: sparse: sparse: restricted __le16 degrades to integer
drivers/iio/pressure/bmp280-core.c:931:21: sparse: sparse: cast to restricted __le16
drivers/iio/pressure/bmp280-core.c:932:21: sparse: sparse: cast to restricted __le16
drivers/iio/pressure/bmp280-core.c:932:21: sparse: sparse: restricted __le16 degrades to integer
drivers/iio/pressure/bmp280-core.c:932:21: sparse: sparse: cast to restricted __le16
drivers/iio/pressure/bmp280-core.c:932:21: sparse: sparse: restricted __le16 degrades to integer
drivers/iio/pressure/bmp280-core.c:932:21: sparse: sparse: cast to restricted __le16
drivers/iio/pressure/bmp280-core.c:935:21: sparse: sparse: cast to restricted __le16
drivers/iio/pressure/bmp280-core.c:935:21: sparse: sparse: restricted __le16 degrades to integer
drivers/iio/pressure/bmp280-core.c:935:21: sparse: sparse: cast to restricted __le16
drivers/iio/pressure/bmp280-core.c:935:21: sparse: sparse: restricted __le16 degrades to integer
drivers/iio/pressure/bmp280-core.c:935:21: sparse: sparse: cast to restricted __le16
drivers/iio/pressure/bmp280-core.c:936:21: sparse: sparse: cast to restricted __le16
drivers/iio/pressure/bmp280-core.c:936:21: sparse: sparse: restricted __le16 degrades to integer
drivers/iio/pressure/bmp280-core.c:936:21: sparse: sparse: cast to restricted __le16
drivers/iio/pressure/bmp280-core.c:936:21: sparse: sparse: restricted __le16 degrades to integer
drivers/iio/pressure/bmp280-core.c:936:21: sparse: sparse: cast to restricted __le16
drivers/iio/pressure/bmp280-core.c:939:21: sparse: sparse: cast to restricted __le16
drivers/iio/pressure/bmp280-core.c:939:21: sparse: sparse: restricted __le16 degrades to integer
drivers/iio/pressure/bmp280-core.c:939:21: sparse: sparse: cast to restricted __le16
drivers/iio/pressure/bmp280-core.c:939:21: sparse: sparse: restricted __le16 degrades to integer
drivers/iio/pressure/bmp280-core.c:939:21: sparse: sparse: cast to restricted __le16
vim +928 drivers/iio/pressure/bmp280-core.c
908
909 static int bmp380_read_calib(struct bmp280_data *data,
910 struct bmp380_calib *calib, unsigned int chip)
911 {
912 int ret;
913 u8 buf[BMP380_CALIB_REG_COUNT];
914
915 /* Read temperature calibration values. */
916 ret = regmap_bulk_read(data->regmap, BMP380_REG_CALIB_TEMP_START, buf,
917 BMP380_CALIB_REG_COUNT);
918 if (ret < 0) {
919 dev_err(data->dev,
920 "failed to read temperature calibration parameters\n");
921 return ret;
922 }
923
924 /* Toss the temperature calibration data into the entropy pool */
925 add_device_randomness(buf, sizeof(buf));
926
927 /* Parse calibration data */
> 928 calib->T1 = le16_from_bytes(buf[BMP380_T1], buf[BMP380_T1 + 1]);
929 calib->T2 = le16_from_bytes(buf[BMP380_T2], buf[BMP380_T2 + 1]);
930 calib->T3 = buf[BMP380_T3];
931 calib->P1 = le16_from_bytes(buf[BMP380_P1], buf[BMP380_P1 + 1]);
932 calib->P2 = le16_from_bytes(buf[BMP380_P2], buf[BMP380_P2 + 1]);
933 calib->P3 = buf[BMP380_P3];
934 calib->P4 = buf[BMP380_P4];
935 calib->P5 = le16_from_bytes(buf[BMP380_P5], buf[BMP380_P5 + 1]);
936 calib->P6 = le16_from_bytes(buf[BMP380_P6], buf[BMP380_P6 + 1]);
937 calib->P7 = buf[BMP380_P7];
938 calib->P8 = buf[BMP380_P8];
939 calib->P9 = le16_from_bytes(buf[BMP380_P9], buf[BMP380_P9 + 1]);
940 calib->P10 = buf[BMP380_P10];
941 calib->P11 = buf[BMP380_P11];
942
943 return 0;
944 }
945
--
0-DAY CI Kernel Test Service
https://01.org/lkp