[omap:droid4-pending-v5.7 4/27] drivers/input/keyboard/omap4-keypad.c:215:7: warning: variable 'events' set but not used

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

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tree:   https://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap.git droid4-pending-v5.7
head:   c79f709cdba38b9a054d444f4eabc0e1126f06cc
commit: c5fb8fb9beac4d489c2f54f6122b6ae11d1e5611 [4/27] Input: omap4-keypad - check state again for lost key-up interrupts
config: alpha-randconfig-r033-20200522 (attached as .config)
compiler: alpha-linux-gcc (GCC) 9.3.0
reproduce (this is a W=1 build):
        wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
        chmod +x ~/bin/make.cross
        git checkout c5fb8fb9beac4d489c2f54f6122b6ae11d1e5611
        # save the attached .config to linux build tree
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross ARCH=alpha 

If you fix the issue, kindly add following tag as appropriate
Reported-by: kbuild test robot <lkp@intel.com>

All warnings (new ones prefixed by >>, old ones prefixed by <<):

drivers/input/keyboard/omap4-keypad.c: In function 'omap4_keypad_scan_keys':
drivers/input/keyboard/omap4-keypad.c:162:6: warning: variable 'keys_up' set but not used [-Wunused-but-set-variable]
162 |  int keys_up, keys_down;
|      ^~~~~~~
drivers/input/keyboard/omap4-keypad.c: In function 'omap4_keypad_work':
>> drivers/input/keyboard/omap4-keypad.c:215:7: warning: variable 'events' set but not used [-Wunused-but-set-variable]
215 |  bool events;
|       ^~~~~~

vim +/events +215 drivers/input/keyboard/omap4-keypad.c

   206	
   207	/*
   208	 * Errata ID i689 "1.32 Keyboard Key Up Event Can Be Missed".
   209	 * Interrupt may not happen for key-up events.
   210	 */
   211	static void omap4_keypad_work(struct work_struct *work)
   212	{
   213		struct omap4_keypad *keypad_data =
   214			container_of(work, struct omap4_keypad, key_work.work);
 > 215		bool events;
   216		u32 active;
   217	
   218		active = kbd_readl(keypad_data, OMAP4_KBD_STATEMACHINE);
   219		if (active)
   220			return;
   221	
   222		dev_dbg(keypad_data->input->dev.parent, "idle with events\n");
   223		events = omap4_keypad_scan_keys(keypad_data, true);
   224	}
   225	

---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org

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