[iio:testing 18/22] drivers/iio/industrialio-core.c:624:11: warning: %u in format string (no. 1) requires 'unsigned int' but the argument type is 'signed int'.
7:22 p.m.
tree: https://git.kernel.org/pub/scm/linux/kernel/git/jic23/iio.git testing
head: d655844f7e2122671c513c311b171a8f4b374f49
commit: 0e7a3978a40b26b85820afe9e544f0032103f805 [18/22] iio: core: Fix IIO_VAL_FRACTIONAL
calculation for negative values
:::::: branch date: 10 hours ago
:::::: commit date: 35 hours ago
compiler: c6x-elf-gcc (GCC) 9.3.0
If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp(a)intel.com>
vim +624 drivers/iio/industrialio-core.c
dfc57732ad38f9 drivers/iio/industrialio-core.c Gregor Boirie 2016-04-20 591
51239600074bc9 drivers/iio/industrialio-core.c Jonathan Cameron 2016-11-08 592
static ssize_t __iio_format_value(char *buf, size_t len, unsigned int type,
51239600074bc9 drivers/iio/industrialio-core.c Jonathan Cameron 2016-11-08 593
int size, const int *vals)
1d892719e70e47 drivers/staging/iio/industrialio-core.c Jonathan Cameron 2011-05-18 594
{
7985e7c1003bc5 drivers/iio/industrialio-core.c Lars-Peter Clausen 2012-09-14 595
unsigned long long tmp;
51239600074bc9 drivers/iio/industrialio-core.c Jonathan Cameron 2016-11-08 596
int tmp0, tmp1;
0e7a3978a40b26 drivers/iio/industrialio-core.c Anand Ashok Dumbre 2020-10-05 597
s64 tmp2;
67eedba39ed1ac drivers/iio/industrialio-core.c Michael Hennerich 2012-05-11 598
bool scale_db = false;
1d892719e70e47 drivers/staging/iio/industrialio-core.c Jonathan Cameron 2011-05-18 599
3661f3f5e961f7 drivers/iio/industrialio-core.c Lars-Peter Clausen 2013-10-07 600
switch (type) {
67eedba39ed1ac drivers/iio/industrialio-core.c Michael Hennerich 2012-05-11 601
case IIO_VAL_INT:
35a4eeb055c9c3 drivers/iio/industrialio-core.c Takashi Iwai 2020-03-11 602
return scnprintf(buf, len, "%d", vals[0]);
67eedba39ed1ac drivers/iio/industrialio-core.c Michael Hennerich 2012-05-11 603
case IIO_VAL_INT_PLUS_MICRO_DB:
67eedba39ed1ac drivers/iio/industrialio-core.c Michael Hennerich 2012-05-11 604
scale_db = true;
df561f6688fef7 drivers/iio/industrialio-core.c Gustavo A. R. Silva 2020-08-23 605
fallthrough;
67eedba39ed1ac drivers/iio/industrialio-core.c Michael Hennerich 2012-05-11 606
case IIO_VAL_INT_PLUS_MICRO:
9fbfb4b37ed23f drivers/iio/industrialio-core.c Srinivas Pandruvada 2014-04-29 607
if (vals[1] < 0)
35a4eeb055c9c3 drivers/iio/industrialio-core.c Takashi Iwai 2020-03-11 608
return scnprintf(buf, len, "-%d.%06u%s", abs(vals[0]),
8f57e4d930d482 drivers/iio/industrialio-core.c Michal Nazarewicz 2016-01-15 609
-vals[1], scale_db ? " dB" : "");
1d892719e70e47 drivers/staging/iio/industrialio-core.c Jonathan Cameron 2011-05-18 610
else
35a4eeb055c9c3 drivers/iio/industrialio-core.c Takashi Iwai 2020-03-11 611
return scnprintf(buf, len, "%d.%06u%s", vals[0], vals[1],
67eedba39ed1ac drivers/iio/industrialio-core.c Michael Hennerich 2012-05-11 612
scale_db ? " dB" : "");
67eedba39ed1ac drivers/iio/industrialio-core.c Michael Hennerich 2012-05-11 613
case IIO_VAL_INT_PLUS_NANO:
9fbfb4b37ed23f drivers/iio/industrialio-core.c Srinivas Pandruvada 2014-04-29 614
if (vals[1] < 0)
35a4eeb055c9c3 drivers/iio/industrialio-core.c Takashi Iwai 2020-03-11 615
return scnprintf(buf, len, "-%d.%09u", abs(vals[0]),
9fbfb4b37ed23f drivers/iio/industrialio-core.c Srinivas Pandruvada 2014-04-29 616
-vals[1]);
71646e2c7ae4ed drivers/staging/iio/industrialio-core.c Michael Hennerich 2011-06-27 617
else
35a4eeb055c9c3 drivers/iio/industrialio-core.c Takashi Iwai 2020-03-11 618
return scnprintf(buf, len, "%d.%09u", vals[0], vals[1]);
7985e7c1003bc5 drivers/iio/industrialio-core.c Lars-Peter Clausen 2012-09-14 619
case IIO_VAL_FRACTIONAL:
0e7a3978a40b26 drivers/iio/industrialio-core.c Anand Ashok Dumbre 2020-10-05 620
tmp2 = div_s64((s64)vals[0] * 1000000000LL, vals[1]);
51239600074bc9 drivers/iio/industrialio-core.c Jonathan Cameron 2016-11-08 621
tmp1 = vals[1];
0e7a3978a40b26 drivers/iio/industrialio-core.c Anand Ashok Dumbre 2020-10-05 622
tmp0 = (int)div_s64_rem(tmp2, 1000000000, &tmp1);
0e7a3978a40b26 drivers/iio/industrialio-core.c Anand Ashok Dumbre 2020-10-05 623
if ((tmp2 < 0) && (tmp0 == 0))
0e7a3978a40b26 drivers/iio/industrialio-core.c Anand Ashok Dumbre 2020-10-05 @624
return snprintf(buf, len, "-0.%09u", abs(tmp1));
0e7a3978a40b26 drivers/iio/industrialio-core.c Anand Ashok Dumbre 2020-10-05 625
else
0e7a3978a40b26 drivers/iio/industrialio-core.c Anand Ashok Dumbre 2020-10-05 626
return snprintf(buf, len, "%d.%09u", tmp0, abs(tmp1));
103d9fb907058e drivers/iio/industrialio-core.c Lars-Peter Clausen 2012-10-16 627
case IIO_VAL_FRACTIONAL_LOG2:
7fd6592d128704 drivers/iio/industrialio-core.c Nikolaus Schulz 2017-03-24 628
tmp = shift_right((s64)vals[0] * 1000000000LL, vals[1]);
7fd6592d128704 drivers/iio/industrialio-core.c Nikolaus Schulz 2017-03-24 629
tmp0 = (int)div_s64_rem(tmp, 1000000000LL, &tmp1);
35a4eeb055c9c3 drivers/iio/industrialio-core.c Takashi Iwai 2020-03-11 630
return scnprintf(buf, len, "%d.%09u", tmp0, abs(tmp1));
9fbfb4b37ed23f drivers/iio/industrialio-core.c Srinivas Pandruvada 2014-04-29 631
case IIO_VAL_INT_MULTIPLE:
9fbfb4b37ed23f drivers/iio/industrialio-core.c Srinivas Pandruvada 2014-04-29 632
{
9fbfb4b37ed23f drivers/iio/industrialio-core.c Srinivas Pandruvada 2014-04-29 633
int i;
51239600074bc9 drivers/iio/industrialio-core.c Jonathan Cameron 2016-11-08 634
int l = 0;
9fbfb4b37ed23f drivers/iio/industrialio-core.c Srinivas Pandruvada 2014-04-29 635
51239600074bc9 drivers/iio/industrialio-core.c Jonathan Cameron 2016-11-08 636
for (i = 0; i < size; ++i) {
35a4eeb055c9c3 drivers/iio/industrialio-core.c Takashi Iwai 2020-03-11 637
l += scnprintf(&buf[l], len - l, "%d ", vals[i]);
51239600074bc9 drivers/iio/industrialio-core.c Jonathan Cameron 2016-11-08 638
if (l >= len)
51239600074bc9 drivers/iio/industrialio-core.c Jonathan Cameron 2016-11-08 639
break;
51239600074bc9 drivers/iio/industrialio-core.c Jonathan Cameron 2016-11-08 640
}
51239600074bc9 drivers/iio/industrialio-core.c Jonathan Cameron 2016-11-08 641
return l;
9fbfb4b37ed23f drivers/iio/industrialio-core.c Srinivas Pandruvada 2014-04-29 642
}
8cb3403633146a drivers/iio/industrialio-core.c Andrea Merello 2019-11-20 643
case IIO_VAL_CHAR:
35a4eeb055c9c3 drivers/iio/industrialio-core.c Takashi Iwai 2020-03-11 644
return scnprintf(buf, len, "%c", (char)vals[0]);
67eedba39ed1ac drivers/iio/industrialio-core.c Michael Hennerich 2012-05-11 645
default:
1d892719e70e47 drivers/staging/iio/industrialio-core.c Jonathan Cameron 2011-05-18 646
return 0;
1d892719e70e47 drivers/staging/iio/industrialio-core.c Jonathan Cameron 2011-05-18 647
}
67eedba39ed1ac drivers/iio/industrialio-core.c Michael Hennerich 2012-05-11 648
}
51239600074bc9 drivers/iio/industrialio-core.c Jonathan Cameron 2016-11-08 649
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