[PATCH] wifi: mt76: mt7925: support new WoW pattern TLV

[kernel test robot]

Hi Sean,

kernel test robot noticed the following build warnings:

[auto build test WARNING on wireless-next/main]
[also build test WARNING on wireless/main linus/master v7.1 next-20260616]
[If your patch is applied to the wrong git tree, kindly drop us a note.
And when submitting patch, we suggest to use '--base' as documented in
https://git-scm.com/docs/git-format-patch#_base_tree_information]

url:    https://github.com/intel-lab-lkp/linux/commits/Sean-Wang/wifi-mt76-mt7925-support-new-WoW-pattern-TLV/20260616-052424
base:   https://git.kernel.org/pub/scm/linux/kernel/git/wireless/wireless-next.git main
patch link:    https://lore.kernel.org/r/20260615212137.477893-1-sean.wang%40kernel.org
patch subject: [PATCH] wifi: mt76: mt7925: support new WoW pattern TLV
config: nios2-allmodconfig (https://download.01.org/0day-ci/archive/20260618/202606181323.heBYmqMQ-lkp@intel.com/config)
compiler: nios2-linux-gcc (GCC) 11.5.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20260618/202606181323.heBYmqMQ-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 at intel.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202606181323.heBYmqMQ-lkp@intel.com/

All warnings (new ones prefixed by >>):

>> drivers/net/wireless/mediatek/mt76/mt7925/mcu.c:15:13: warning: 'mt7925_mcu_wow_pattern_old_tlv' defined but not used [-Wunused-function]
      15 | static bool mt7925_mcu_wow_pattern_old_tlv(struct mt76_dev *dev)
         |             ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~


vim +/mt7925_mcu_wow_pattern_old_tlv +15 drivers/net/wireless/mediatek/mt76/mt7925/mcu.c

    14	
  > 15	static bool mt7925_mcu_wow_pattern_old_tlv(struct mt76_dev *dev)
    16	{
    17		const char *fw_version = dev->hw->wiphy->fw_version;
    18		const char *build_date = strrchr(fw_version, '-');
    19	
    20		if (!is_mt7925(dev))
    21			return false;
    22	
    23		if (!build_date)
    24			return false;
    25	
    26		build_date++;
    27	
    28		return strncmp(build_date, MT7925_WOW_PATTERN_NEW_FW_DATE,
    29			       strlen(MT7925_WOW_PATTERN_NEW_FW_DATE)) < 0;
    30	}
    31	

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