[android-common:android12-5.4 1/1] drivers/scsi/ufs/ufs-mediatek.c:181:5: sparse: sparse: symbol 'ufs_mtk_wait_link_state' was not declared. Should it be static?

[android-common:android12-5.4 1/1] drivers/scsi/ufs/ufs-mediatek.c:181:5: sparse: sparse: symbol 'ufs_mtk_wait_link_state' was not declared. Should it be static?

[kernel test robot]

tree:   https://android.googlesource.com/kernel/common android12-5.4
head:   71d0515397de96c7ff0dd2c6be6e2af7a113e997
commit: 745c7d9dd4c72286ffb21123ea61da4bb36c6a3a [1/1] UPSTREAM: scsi: ufs-mediatek: Do not gate clocks if auto-hibern8 is not entered yet
config: arm64-randconfig-r111-20250527 (https://download.01.org/0day-ci/archive/20250527/202505270950.Mfklf6q3-lkp@intel.com/config)
compiler: aarch64-linux-gcc (GCC) 10.5.0
reproduce: (https://download.01.org/0day-ci/archive/20250527/202505270950.Mfklf6q3-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/202505270950.Mfklf6q3-lkp@intel.com/

sparse warnings: (new ones prefixed by >>)
>> drivers/scsi/ufs/ufs-mediatek.c:181:5: sparse: sparse: symbol 'ufs_mtk_wait_link_state' was not declared. Should it be static?

vim +/ufs_mtk_wait_link_state +181 drivers/scsi/ufs/ufs-mediatek.c

   180	
 > 181	int ufs_mtk_wait_link_state(struct ufs_hba *hba, u32 state,
   182				    unsigned long max_wait_ms)
   183	{
   184		ktime_t timeout, time_checked;
   185		u32 val;
   186	
   187		timeout = ktime_add_us(ktime_get(), ms_to_ktime(max_wait_ms));
   188		do {
   189			time_checked = ktime_get();
   190			ufshcd_writel(hba, 0x20, REG_UFS_DEBUG_SEL);
   191			val = ufshcd_readl(hba, REG_UFS_PROBE);
   192			val = val >> 28;
   193	
   194			if (val == state)
   195				return 0;
   196	
   197			/* Sleep for max. 200us */
   198			usleep_range(100, 200);
   199		} while (ktime_before(time_checked, timeout));
   200	
   201		if (val == state)
   202			return 0;
   203	
   204		return -ETIMEDOUT;
   205	}
   206	

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