Re: [PATCH v7 8/8] iio: adc: ad4851: add ad485x driver

kernel test robot
2024-11-30T11:19:29Z

Hi Antoniu,

kernel test robot noticed the following build errors:

[auto build test ERROR on jic23-iio/togreg]
[also build test ERROR on linus/master v6.12 next-20241128]
[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/Antoniu-Miclaus/iio-backend-add-API-for-interface-get/20241129-233931
base: https://git.kernel.org/pub/scm/linux/kernel/git/jic23/iio.git togreg
patch link: https://lore.kernel.org/r/20241129153546.63584-9-antoniu.miclaus%40analog.com
patch subject: [PATCH v7 8/8] iio: adc: ad4851: add ad485x driver
config: openrisc-allyesconfig (https://download.01.org/0day-ci/archive/20241130/202411301859.sT9xRNb1-lkp@intel.com/config)
compiler: or1k-linux-gcc (GCC) 14.2.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20241130/202411301859.sT9xRNb1-lkp@intel.com/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@intel.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202411301859.sT9xRNb1-lkp@intel.com/

All error/warnings (new ones prefixed by >>):

>> drivers/iio/adc/ad4851.c:963:35: warning: 'ad4858_channels' defined but not used [-Wunused-const-variable=]
963 | static const struct iio_chan_spec ad4858_channels[] = {
| ^~~~~~~~~~~~~~~
>> drivers/iio/adc/ad4851.c:889:35: warning: 'ad4851_scan_type_16' defined but not used [-Wunused-const-variable=]
889 | static const struct iio_scan_type ad4851_scan_type_16 = {
| ^~~~~~~~~~~~~~~~~~~
--
arch/openrisc/kernel/head.o: in function `_dispatch_do_ipage_fault':
>> (.text+0x900): relocation truncated to fit: R_OR1K_INSN_REL_26 against `no symbol'
(.text+0xa00): relocation truncated to fit: R_OR1K_INSN_REL_26 against `no symbol'
arch/openrisc/kernel/head.o: in function `exit_with_no_dtranslation':
>> (.head.text+0x21bc): relocation truncated to fit: R_OR1K_INSN_REL_26 against `no symbol'
arch/openrisc/kernel/head.o: in function `exit_with_no_itranslation':
(.head.text+0x2264): relocation truncated to fit: R_OR1K_INSN_REL_26 against `no symbol'
init/main.o: in function `trace_event_raw_event_initcall_level':
main.c:(.text+0x28c): relocation truncated to fit: R_OR1K_INSN_REL_26 against symbol `strlen' defined in .text section in lib/string.o
init/main.o: in function `initcall_blacklisted':
main.c:(.text+0x6f4): relocation truncated to fit: R_OR1K_INSN_REL_26 against symbol `strcmp' defined in .text section in lib/string.o
init/main.o: in function `trace_initcall_finish_cb':
main.c:(.text+0x814): relocation truncated to fit: R_OR1K_INSN_REL_26 against symbol `__muldi3' defined in .text section in ../lib/gcc/or1k-linux/14.2.0/libgcc.a(_muldi3.o)
main.c:(.text+0x864): relocation truncated to fit: R_OR1K_INSN_REL_26 against symbol `__muldi3' defined in .text section in ../lib/gcc/or1k-linux/14.2.0/libgcc.a(_muldi3.o)
main.c:(.text+0x894): relocation truncated to fit: R_OR1K_INSN_REL_26 against symbol `__muldi3' defined in .text section in ../lib/gcc/or1k-linux/14.2.0/libgcc.a(_muldi3.o)
main.c:(.text+0x8d0): relocation truncated to fit: R_OR1K_INSN_REL_26 against symbol `__muldi3' defined in .text section in ../lib/gcc/or1k-linux/14.2.0/libgcc.a(_muldi3.o)
main.c:(.text+0x934): additional relocation overflows omitted from the output

vim +/ad4858_channels +963 drivers/iio/adc/ad4851.c

888
> 889 static const struct iio_scan_type ad4851_scan_type_16 = {
890 .sign = 's',
891 .realbits = 16,
892 .storagebits = 16,
893 };
894
895 static const struct iio_scan_type ad4851_scan_type_20_0[] = {
896 [AD4851_SCAN_TYPE_NORMAL] = {
897 .sign = 'u',
898 .realbits = 20,
899 .storagebits = 32,
900 },
901 [AD4851_SCAN_TYPE_RESOLUTION_BOOST] = {
902 .sign = 'u',
903 .realbits = 24,
904 .storagebits = 32,
905 },
906 };
907
908 static const struct iio_scan_type ad4851_scan_type_20_1[] = {
909 [AD4851_SCAN_TYPE_NORMAL] = {
910 .sign = 's',
911 .realbits = 20,
912 .storagebits = 32,
913 },
914 [AD4851_SCAN_TYPE_RESOLUTION_BOOST] = {
915 .sign = 's',
916 .realbits = 24,
917 .storagebits = 32,
918 },
919 };
920
921 static int ad4851_get_current_scan_type(const struct iio_dev *indio_dev,
922 const struct iio_chan_spec *chan)
923 {
924 struct ad4851_state *st = iio_priv(indio_dev);
925
926 return st->resolution_boost_enabled ? AD4851_SCAN_TYPE_RESOLUTION_BOOST
927 : AD4851_SCAN_TYPE_NORMAL;
928 }
929
930 #define AD4851_IIO_CHANNEL(index, ch, diff) \
931 .type = IIO_VOLTAGE, \
932 .info_mask_separate = BIT(IIO_CHAN_INFO_CALIBSCALE) | \
933 BIT(IIO_CHAN_INFO_CALIBBIAS) | \
934 BIT(IIO_CHAN_INFO_SCALE), \
935 .info_mask_shared_by_all = BIT(IIO_CHAN_INFO_SAMP_FREQ) | \
936 BIT(IIO_CHAN_INFO_OVERSAMPLING_RATIO), \
937 .info_mask_shared_by_all_available = \
938 BIT(IIO_CHAN_INFO_OVERSAMPLING_RATIO), \
939 .info_mask_separate_available = BIT(IIO_CHAN_INFO_SCALE), \
940 .indexed = 1, \
941 .differential = diff, \
942 .channel = ch, \
943 .channel2 = ch + (diff * 8), \
944 .scan_index = index, \
945
946 #define AD4858_IIO_CHANNEL(index, ch, diff, bits) \
947 { \
948 AD4851_IIO_CHANNEL(index, ch, diff) \
949 .ext_scan_type = ad4851_scan_type_##bits##_##diff, \
950 .num_ext_scan_type = ARRAY_SIZE(ad4851_scan_type_##bits##_##diff), \
951 }
952
953 #define AD4857_IIO_CHANNEL(index, ch, diff, bits) \
954 { \
955 AD4851_IIO_CHANNEL(index, ch, diff) \
956 .scan_type = { \
957 .sign = 's', \
958 .realbits = bits, \
959 .storagebits = bits, \
960 }, \
961 }
962
> 963 static const struct iio_chan_spec ad4858_channels[] = {
964 AD4858_IIO_CHANNEL(0, 0, 0, 20),
965 AD4858_IIO_CHANNEL(1, 0, 1, 20),
966 AD4858_IIO_CHANNEL(2, 1, 0, 20),
967 AD4858_IIO_CHANNEL(3, 1, 1, 20),
968 AD4858_IIO_CHANNEL(4, 2, 0, 20),
969 AD4858_IIO_CHANNEL(5, 2, 1, 20),
970 AD4858_IIO_CHANNEL(6, 3, 0, 20),
971 AD4858_IIO_CHANNEL(7, 3, 1, 20),
972 AD4858_IIO_CHANNEL(8, 4, 0, 20),
973 AD4858_IIO_CHANNEL(9, 4, 1, 20),
974 AD4858_IIO_CHANNEL(10, 5, 0, 20),
975 AD4858_IIO_CHANNEL(11, 5, 1, 20),
976 AD4858_IIO_CHANNEL(12, 6, 0, 20),
977 AD4858_IIO_CHANNEL(13, 6, 1, 20),
978 AD4858_IIO_CHANNEL(14, 7, 0, 20),
979 AD4858_IIO_CHANNEL(15, 7, 1, 20),
980 };
981

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