Re: [PATCH] iio: pressure: cros_ec_baro: simplify timestamp channel definition

From: kernel test robot

Date: Thu May 28 2026 - 02:42:38 EST


Hi David,

kernel test robot noticed the following build errors:

[auto build test ERROR on jic23-iio/togreg]
[also build test ERROR on linus/master v7.1-rc5 next-20260527]
[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/David-Lechner/iio-pressure-cros_ec_baro-simplify-timestamp-channel-definition/20260525-134550
base: https://git.kernel.org/pub/scm/linux/kernel/git/jic23/iio.git togreg
patch link: https://lore.kernel.org/r/20260525014654.2399354-1-dlechner%40baylibre.com
patch subject: [PATCH] iio: pressure: cros_ec_baro: simplify timestamp channel definition
config: m68k-allyesconfig (https://download.01.org/0day-ci/archive/20260528/202605281432.a64fe4iY-lkp@xxxxxxxxx/config)
compiler: m68k-linux-gcc (GCC) 15.2.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20260528/202605281432.a64fe4iY-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/202605281432.a64fe4iY-lkp@xxxxxxxxx/

All errors (new ones prefixed by >>):

In file included from include/linux/iio/buffer.h:10,
from drivers/iio/pressure/cros_ec_baro.c:9:
drivers/iio/pressure/cros_ec_baro.c: In function 'cros_ec_baro_probe':
>> include/linux/iio/iio.h:356:38: error: expected expression before '{' token
356 | #define IIO_CHAN_SOFT_TIMESTAMP(_si) { \
| ^
drivers/iio/pressure/cros_ec_baro.c:174:20: note: in expansion of macro 'IIO_CHAN_SOFT_TIMESTAMP'
174 | *channel = IIO_CHAN_SOFT_TIMESTAMP(1);
| ^~~~~~~~~~~~~~~~~~~~~~~


vim +356 include/linux/iio/iio.h

00c5f80c2fad53 include/linux/iio/iio.h Peter Rosin 2016-11-08 355
07d4655b410a4d include/linux/iio/iio.h Jonathan Cameron 2013-11-12 @356 #define IIO_CHAN_SOFT_TIMESTAMP(_si) { \
07d4655b410a4d include/linux/iio/iio.h Jonathan Cameron 2013-11-12 357 .type = IIO_TIMESTAMP, \
07d4655b410a4d include/linux/iio/iio.h Jonathan Cameron 2013-11-12 358 .channel = -1, \
07d4655b410a4d include/linux/iio/iio.h Jonathan Cameron 2013-11-12 359 .scan_index = _si, \
07d4655b410a4d include/linux/iio/iio.h Jonathan Cameron 2013-11-12 360 .scan_type = { \
07d4655b410a4d include/linux/iio/iio.h Jonathan Cameron 2013-11-12 361 .sign = 's', \
07d4655b410a4d include/linux/iio/iio.h Jonathan Cameron 2013-11-12 362 .realbits = 64, \
07d4655b410a4d include/linux/iio/iio.h Jonathan Cameron 2013-11-12 363 .storagebits = 64, \
07d4655b410a4d include/linux/iio/iio.h Jonathan Cameron 2013-11-12 364 }, \
07d4655b410a4d include/linux/iio/iio.h Jonathan Cameron 2013-11-12 365 }
1d892719e70e47 drivers/staging/iio/iio.h Jonathan Cameron 2011-05-18 366

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