[android-common:android13-5.15 54/54] drivers/scsi/ufs/ufs-mediatek.c:1142:5: warning: no previous prototype for function 'ufs_mtk_system_suspend'

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

Hi Po-Wen,

FYI, the error/warning still remains.

tree:   https://android.googlesource.com/kernel/common android13-5.15
head:   e519955bf54ce4a9a07b7d92cd59ced4779c1d45
commit: 4d6bab8d366a10751b50a8cce88f9b91bf207795 [54/54] scsi: ufs: ufs-mediatek: Fix the timing of configuring device regulators
config: arm64-allmodconfig (https://download.01.org/0day-ci/archive/20261110/202611100719.PxA2TjA2-lkp@intel.com/config)
compiler: clang version 24.0.0git (https://github.com/llvm/llvm-project fc9576e3b179738d99c5babe5cd9d6c1f883e0db)
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20261110/202611100719.PxA2TjA2-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/202611100719.PxA2TjA2-lkp@intel.com/

All warnings (new ones prefixed by >>):

   In file included from <built-in>:3:
   In file included from include/linux/compiler_types.h:80:
   include/linux/compiler-clang.h:24:9: warning: '__SANITIZE_ADDRESS__' macro redefined [-Wmacro-redefined]
      24 | #define __SANITIZE_ADDRESS__
         |         ^
   <built-in>:372:9: note: previous definition is here
     372 | #define __SANITIZE_ADDRESS__ 1
         |         ^
>> drivers/scsi/ufs/ufs-mediatek.c:1142:5: warning: no previous prototype for function 'ufs_mtk_system_suspend' [-Wmissing-prototypes]
    1142 | int ufs_mtk_system_suspend(struct device *dev)
         |     ^
   drivers/scsi/ufs/ufs-mediatek.c:1142:1: note: declare 'static' if the function is not intended to be used outside of this translation unit
    1142 | int ufs_mtk_system_suspend(struct device *dev)
         | ^
         | static 
>> drivers/scsi/ufs/ufs-mediatek.c:1156:5: warning: no previous prototype for function 'ufs_mtk_system_resume' [-Wmissing-prototypes]
    1156 | int ufs_mtk_system_resume(struct device *dev)
         |     ^
   drivers/scsi/ufs/ufs-mediatek.c:1156:1: note: declare 'static' if the function is not intended to be used outside of this translation unit
    1156 | int ufs_mtk_system_resume(struct device *dev)
         | ^
         | static 
>> drivers/scsi/ufs/ufs-mediatek.c:1165:5: warning: no previous prototype for function 'ufs_mtk_runtime_suspend' [-Wmissing-prototypes]
    1165 | int ufs_mtk_runtime_suspend(struct device *dev)
         |     ^
   drivers/scsi/ufs/ufs-mediatek.c:1165:1: note: declare 'static' if the function is not intended to be used outside of this translation unit
    1165 | int ufs_mtk_runtime_suspend(struct device *dev)
         | ^
         | static 
>> drivers/scsi/ufs/ufs-mediatek.c:1179:5: warning: no previous prototype for function 'ufs_mtk_runtime_resume' [-Wmissing-prototypes]
    1179 | int ufs_mtk_runtime_resume(struct device *dev)
         |     ^
   drivers/scsi/ufs/ufs-mediatek.c:1179:1: note: declare 'static' if the function is not intended to be used outside of this translation unit
    1179 | int ufs_mtk_runtime_resume(struct device *dev)
         | ^
         | static 
   5 warnings generated.


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	

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