[nbd168-wireless:mt76 64/136] drivers/net/wireless/mediatek/mt76/mt7925/mcu.c:16:13: warning: 'mt7925_mcu_wow_pattern_old_tlv' defined but not used

tree:   https://github.com/nbd168/wireless mt76
head:   7f932e0223ee060815f66d631767412e329d4492
commit: a6317b82bddff5c838ee486ce38ec56e5415a39c [64/136] wifi: mt76: mt7925: support new WoW pattern TLV
config: csky-allmodconfig (https://download.01.org/0day-ci/archive/20260728/[email protected]/config)
compiler: csky-linux-gcc (GCC) 16.1.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20260728/[email protected]/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 <[email protected]>
| Closes: https://lore.kernel.org/oe-kbuild-all/[email protected]/

All warnings (new ones prefixed by >>):

>> drivers/net/wireless/mediatek/mt76/mt7925/mcu.c:16:13: warning: 'mt7925_mcu_wow_pattern_old_tlv' defined but not used [-Wunused-function]
      16 | static bool mt7925_mcu_wow_pattern_old_tlv(struct mt76_dev *dev)
         |             ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~


vim +/mt7925_mcu_wow_pattern_old_tlv +16 drivers/net/wireless/mediatek/mt76/mt7925/mcu.c

    15	
  > 16	static bool mt7925_mcu_wow_pattern_old_tlv(struct mt76_dev *dev)
    17	{
    18		const char *fw_version = dev->hw->wiphy->fw_version;
    19		const char *build_date = strrchr(fw_version, '-');
    20	
    21		if (!is_mt7925(dev))
    22			return false;
    23	
    24		if (!build_date)
    25			return false;
    26	
    27		build_date++;
    28	
    29		return strncmp(build_date, MT7925_WOW_PATTERN_NEW_FW_DATE,
    30			       strlen(MT7925_WOW_PATTERN_NEW_FW_DATE)) < 0;
    31	}
    32	

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