[stefandoesinger-zx297520:dlink 76/131] drivers/spi/spi-zx.c:477:17: warning: implicit conversion from 'unsigned long' to 'u32' (aka 'unsigned int') changes value from 18446744073709551614 to 4294967294

[stefandoesinger-zx297520:dlink 76/131] drivers/spi/spi-zx.c:477:17: warning: implicit conversion from 'unsigned long' to 'u32' (aka 'unsigned int') changes value from 18446744073709551614 to 4294967294

[kernel test robot]

tree:   https://gitlab.com/stefandoesinger/zx297520-kernel dlink
head:   4132307830800b020a6d29d27cb3fec3cb5fbb90
commit: fce785fadfd6abf34e775c2793e49a37e1c426d5 [76/131] zx29 qspi driver
config: sparc64-allmodconfig (https://download.01.org/0day-ci/archive/20260903/202609030957.sHim3B0q-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/20260903/202609030957.sHim3B0q-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/202609030957.sHim3B0q-lkp@intel.com/

All warnings (new ones prefixed by >>):

>> drivers/spi/spi-zx.c:477:17: warning: implicit conversion from 'unsigned long' to 'u32' (aka 'unsigned int') changes value from 18446744073709551614 to 4294967294 [-Wconstant-conversion]
     477 |         writel_relaxed(~ZX_QSPI_EN, qspi->io_base + ZX_QSPI_EN_REG);
         |         ~~~~~~~~~~~~~~ ^~~~~~~~~~~
   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	

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