From: kernel test robot <lkp@intel.com>
To: Daniel Lezcano <daniel.lezcano@linaro.org>
Cc: llvm@lists.linux.dev, oe-kbuild-all@lists.linux.dev,
linux-kernel@vger.kernel.org,
Jonathan Cameron <Jonathan.Cameron@huawei.com>,
"Alexandru-Catalin Ionita" <alexandru-catalin.ionita@nxp.com>,
Ciprian Costea <ciprianmarian.costea@nxp.com>,
"Radu Pirea (NXP OSS)" <radu-nicolae.pirea@oss.nxp.com>,
Andy Shevchenko <andriy.shevchenko@intel.com>
Subject: ld.lld: error: undefined symbol: __bad_ndelay
Date: Tue, 31 Mar 2026 19:21:42 +0800 [thread overview]
Message-ID: <202603311958.ly6uROit-lkp@intel.com> (raw)
tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head: d0c3bcd5b8976159d835a897254048e078f447e6
commit: 4434072a893e4864519c167947083ff3e4cc2d95 iio: adc: Add the NXP SAR ADC support for the s32g2/3 platforms
date: 3 months ago
config: x86_64-buildonly-randconfig-001-20260331 (https://download.01.org/0day-ci/archive/20260331/202603311958.ly6uROit-lkp@intel.com/config)
compiler: clang version 20.1.8 (https://github.com/llvm/llvm-project 87f0227cb60147a26a1eeb4fb06e3b505e9c7261)
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20260331/202603311958.ly6uROit-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/202603311958.ly6uROit-lkp@intel.com/
All errors (new ones prefixed by >>):
>> ld.lld: error: undefined symbol: __bad_ndelay
>>> referenced by delay.h:78 (include/asm-generic/delay.h:78)
>>> vmlinux.o:(nxp_sar_adc_probe)
>>> referenced by delay.h:78 (include/asm-generic/delay.h:78)
>>> vmlinux.o:(nxp_sar_adc_read_raw)
>>> referenced by delay.h:78 (include/asm-generic/delay.h:78)
>>> vmlinux.o:(nxp_sar_adc_read_raw)
>>> referenced 2 more times
--
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki
next reply other threads:[~2026-03-31 11:22 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-03-31 11:21 kernel test robot [this message]
2026-04-08 14:21 ` ld.lld: error: undefined symbol: __bad_ndelay Andy Shevchenko
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