[android-common:android13-5.15 2/2] drivers/scsi/ufs/ufs-mediatek.c:1142:5: sparse: sparse: symbol 'ufs_mtk_system_suspend' was not declared. Should it be static?

[kernel test robot <lkp@intel.com>]

tree:   https://android.googlesource.com/kernel/common android13-5.15
head:   77804d3596695c7b85fe038c81d9580283ffd2ca
commit: 4d6bab8d366a10751b50a8cce88f9b91bf207795 [2/2] scsi: ufs: ufs-mediatek: Fix the timing of configuring device regulators
config: arm64-randconfig-r1305-20260919 (https://download.01.org/0day-ci/archive/20260919/202609192203.gZu2j2nJ-lkp@intel.com/config)
compiler: clang version 24.0.0git (https://github.com/llvm/llvm-project 05d706e9a816dbf9eff31f47869f53d6fe796089)
sparse: v0.6.5-rc1
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20260919/202609192203.gZu2j2nJ-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/202609192203.gZu2j2nJ-lkp@intel.com/

sparse warnings: (new ones prefixed by >>)
>> drivers/scsi/ufs/ufs-mediatek.c:1142:5: sparse: sparse: symbol 'ufs_mtk_system_suspend' was not declared. Should it be static?
>> drivers/scsi/ufs/ufs-mediatek.c:1156:5: sparse: sparse: symbol 'ufs_mtk_system_resume' was not declared. Should it be static?
>> drivers/scsi/ufs/ufs-mediatek.c:1165:5: sparse: sparse: symbol 'ufs_mtk_runtime_suspend' was not declared. Should it be static?
>> drivers/scsi/ufs/ufs-mediatek.c:1179:5: sparse: sparse: symbol 'ufs_mtk_runtime_resume' was not declared. Should it be static?

vim +/ufs_mtk_system_suspend +1142 drivers/scsi/ufs/ufs-mediatek.c

  1141	
> 1142	int ufs_mtk_system_suspend(struct device *dev)
  1143	{
  1144		struct ufs_hba *hba = dev_get_drvdata(dev);
  1145		int ret;
  1146	
  1147		ret = ufshcd_system_suspend(dev);
  1148		if (ret)
  1149			return ret;
  1150	
  1151		ufs_mtk_vreg_set_lpm(hba, true);
  1152	
  1153		return 0;
  1154	}
  1155	
> 1156	int ufs_mtk_system_resume(struct device *dev)
  1157	{
  1158		struct ufs_hba *hba = dev_get_drvdata(dev);
  1159	
  1160		ufs_mtk_vreg_set_lpm(hba, false);
  1161	
  1162		return ufshcd_system_resume(dev);
  1163	}
  1164	
> 1165	int ufs_mtk_runtime_suspend(struct device *dev)
  1166	{
  1167		struct ufs_hba *hba = dev_get_drvdata(dev);
  1168		int ret = 0;
  1169	
  1170		ret = ufshcd_runtime_suspend(dev);
  1171		if (ret)
  1172			return ret;
  1173	
  1174		ufs_mtk_vreg_set_lpm(hba, true);
  1175	
  1176		return 0;
  1177	}
  1178	
> 1179	int ufs_mtk_runtime_resume(struct device *dev)
  1180	{
  1181		struct ufs_hba *hba = dev_get_drvdata(dev);
  1182	
  1183		ufs_mtk_vreg_set_lpm(hba, false);
  1184	
  1185		return ufshcd_runtime_resume(dev);
  1186	}
  1187	

--
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki