[soc:board-remove-7.3 170/294] drivers/rtc/rtc-stm32.c:795:13: warning: 'stm32_rtc_clear_events' defined but not used

[kernel test robot]

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/soc/soc.git board-remove-7.3
head:   3ac93c1e700558259ea604f7d4f37e26820fba15
commit: 99ab6d2408a83752e16a39683a743c131f3d5cb3 [170/294] rtc: stm32: remove mcu support
config: sparc-allyesconfig (https://download.01.org/0day-ci/archive/20260910/202609100500.VDsB697w-lkp@intel.com/config)
compiler: sparc64-linux-gcc (GCC) 16.1.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20260910/202609100500.VDsB697w-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/202609100500.VDsB697w-lkp@intel.com/

All warnings (new ones prefixed by >>):

>> drivers/rtc/rtc-stm32.c:795:13: warning: 'stm32_rtc_clear_events' defined but not used [-Wunused-function]
     795 | static void stm32_rtc_clear_events(struct stm32_rtc *rtc,
         |             ^~~~~~~~~~~~~~~~~~~~~~


vim +/stm32_rtc_clear_events +795 drivers/rtc/rtc-stm32.c

4e64350f42e2ce Amelie Delaunay 2017-01-11  794  
02b0cc345c2a1b Amelie Delaunay 2018-05-17 @795  static void stm32_rtc_clear_events(struct stm32_rtc *rtc,
02b0cc345c2a1b Amelie Delaunay 2018-05-17  796  				   unsigned int flags)
02b0cc345c2a1b Amelie Delaunay 2018-05-17  797  {
02b0cc345c2a1b Amelie Delaunay 2018-05-17  798  	const struct stm32_rtc_registers *regs = &rtc->data->regs;
02b0cc345c2a1b Amelie Delaunay 2018-05-17  799  
02b0cc345c2a1b Amelie Delaunay 2018-05-17  800  	/* Flags are cleared by writing 0 in RTC_ISR */
02b0cc345c2a1b Amelie Delaunay 2018-05-17  801  	writel_relaxed(readl_relaxed(rtc->base + regs->isr) & ~flags,
02b0cc345c2a1b Amelie Delaunay 2018-05-17  802  		       rtc->base + regs->isr);
02b0cc345c2a1b Amelie Delaunay 2018-05-17  803  }
02b0cc345c2a1b Amelie Delaunay 2018-05-17  804  

:::::: The code at line 795 was first introduced by commit
:::::: 02b0cc345c2a1b7f1c590796a02d84e49e51ded0 rtc: stm32: rework register management to prepare other version of RTC

:::::: TO: Amelie Delaunay <amelie.delaunay at st.com>
:::::: CC: Alexandre Belloni <alexandre.belloni at bootlin.com>

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