drivers/acpi/loongarch/iovt.c:274:5: error: redefinition of 'iovt_iommu_configure_id'

drivers/acpi/loongarch/iovt.c:274:5: error: redefinition of 'iovt_iommu_configure_id'

[kernel test robot]

:::::: 
:::::: Manual check reason: "bisect to a FBC not belonging to original linux-review patches: branch: linux-review/Bibo-Mao/ACPICA-actbl2-h-Add-bit-constants-of-the-Flags-field-in-the-IOVT-IOMMU-structure/20260922-201055, commit: 9659bdd0486bab092f117797485c1d4ab3b8be34"
:::::: 

BCC: lkp@intel.com
CC: llvm@lists.linux.dev
CC: oe-kbuild-all@lists.linux.dev
TO: Bibo Mao <maobibo@loongson.cn>
CC: 0day robot <lkp@intel.com>

tree:   https://github.com/intel-lab-lkp/linux/commits/Bibo-Mao/ACPICA-actbl2-h-Add-bit-constants-of-the-Flags-field-in-the-IOVT-IOMMU-structure/20260922-201055
head:   bb256436c3e08fd567947bf99b4ca3703f9f7523
commit: 9659bdd0486bab092f117797485c1d4ab3b8be34 ACPI: scan: Add support for LoongArch in acpi_iommu_configure_id()
date:   33 hours ago
:::::: branch date: 33 hours ago
:::::: commit date: 33 hours ago
config: loongarch-allnoconfig (https://download.01.org/0day-ci/archive/20260924/202609240721.IbsAVLuO-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/20260924/202609240721.IbsAVLuO-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/r/202609240721.IbsAVLuO-lkp@intel.com/

All errors (new ones prefixed by >>):

>> drivers/acpi/loongarch/iovt.c:274:5: error: redefinition of 'iovt_iommu_configure_id'
     274 | int iovt_iommu_configure_id(struct device *dev, const u32 *id_in)
         |     ^
   include/linux/acpi_iovt.h:9:19: note: previous definition is here
       9 | static inline int iovt_iommu_configure_id(struct device *dev, const u32 *id_in)
         |                   ^
   1 error generated.


vim +/iovt_iommu_configure_id +274 drivers/acpi/loongarch/iovt.c

9659bdd0486bab0 Bibo Mao 2026-09-22  265  
9659bdd0486bab0 Bibo Mao 2026-09-22  266  /*
9659bdd0486bab0 Bibo Mao 2026-09-22  267   * iovt_iommu_configure_id - Set-up IOMMU configuration for a device.
9659bdd0486bab0 Bibo Mao 2026-09-22  268   *
9659bdd0486bab0 Bibo Mao 2026-09-22  269   * @dev: device to configure
9659bdd0486bab0 Bibo Mao 2026-09-22  270   * @id_in: optional input id const value pointer
9659bdd0486bab0 Bibo Mao 2026-09-22  271   *
9659bdd0486bab0 Bibo Mao 2026-09-22  272   * Returns: 0 on success, <0 on failure
9659bdd0486bab0 Bibo Mao 2026-09-22  273   */
9659bdd0486bab0 Bibo Mao 2026-09-22 @274  int iovt_iommu_configure_id(struct device *dev, const u32 *id_in)

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