From: kernel test robot <lkp@intel.com>
To: "Stefan Dösinger " <stefandoesinger@gmail.com>
Cc: llvm@lists.linux.dev, oe-kbuild-all@lists.linux.dev
Subject: [stefandoesinger-zx297520:dlink 70/120] drivers/spi/spi-zx.c:477:17: warning: implicit conversion from 'unsigned long' to 'unsigned int' changes value from 18446744073709551614 to 4294967294
Date: Tue, 23 Jun 2026 21:13:42 +0800 [thread overview]
Message-ID: <202606232147.eVluRCks-lkp@intel.com> (raw)
tree: https://gitlab.com/stefandoesinger/zx297520-kernel dlink
head: e837c4a4d860d6896e61ca44c5bac69b2500abcc
commit: 679817917e82e5c1fc5cddd6add8729171bcfc4e [70/120] zx29 qspi driver
config: x86_64-allmodconfig (https://download.01.org/0day-ci/archive/20260623/202606232147.eVluRCks-lkp@intel.com/config)
compiler: clang version 22.1.3 (https://github.com/llvm/llvm-project e9846648fd6183ee6d8cbdb4502213fcf902a211)
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20260623/202606232147.eVluRCks-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/202606232147.eVluRCks-lkp@intel.com/
All warnings (new ones prefixed by >>):
>> drivers/spi/spi-zx.c:477:17: warning: implicit conversion from 'unsigned long' to 'unsigned int' changes value from 18446744073709551614 to 4294967294 [-Wconstant-conversion]
477 | writel_relaxed(~ZX_QSPI_EN, qspi->io_base + ZX_QSPI_EN_REG);
| ~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
arch/x86/include/asm/io.h:88:39: note: expanded from macro 'writel_relaxed'
88 | #define writel_relaxed(v, a) __writel(v, a)
| ~~~~~~~~ ^
1 warning generated.
vim +477 drivers/spi/spi-zx.c
473
474 static void zx_qspi_remove(struct platform_device *pdev)
475 {
476 struct zx_qspi *qspi = platform_get_drvdata(pdev);
> 477 writel_relaxed(~ZX_QSPI_EN, qspi->io_base + ZX_QSPI_EN_REG);
478 }
479
--
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki
reply other threads:[~2026-06-23 13:14 UTC|newest]
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