Hi "Johnson,

Thank you for the patch! Yet something to improve:

[auto build test ERROR on abelloni/rtc-next]
[also build test ERROR on linux/master linus/master v5.8-rc2 next-20200622]
[cannot apply to ljones-mfd/for-mfd-next]
[If your patch is applied to the wrong git tree, kindly drop us a note.
And when submitting patch, we suggest to use  as documented in
https://git-scm.com/docs/git-format-patch]

url:    https://github.com/0day-ci/linux/commits/Johnson-CH-Chen/Use-MFD-for-Dallas-Maxim-DS1374-driver-series/20200622-180544
base:   https://git.kernel.org/pub/scm/linux/kernel/git/abelloni/linux.git rtc-next
config: sparc-allyesconfig (attached as .config)
compiler: sparc64-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
        # save the attached .config to linux build tree
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross ARCH=sparc 

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

All errors (new ones prefixed by >>):

   drivers/mfd/ds1374.c: In function 'ds1374_suspend':
>> drivers/mfd/ds1374.c:56:3: error: implicit declaration of function 'enable_irq_wake' [-Werror=implicit-function-declaration]
      56 |   enable_irq_wake(client->irq);
         |   ^~~~~~~~~~~~~~~
   drivers/mfd/ds1374.c: In function 'ds1374_resume':
>> drivers/mfd/ds1374.c:65:3: error: implicit declaration of function 'disable_irq_wake' [-Werror=implicit-function-declaration]
      65 |   disable_irq_wake(client->irq);
         |   ^~~~~~~~~~~~~~~~
   cc1: some warnings being treated as errors

vim +/enable_irq_wake +56 drivers/mfd/ds1374.c

    49	
    50	#ifdef CONFIG_PM_SLEEP
    51	static int ds1374_suspend(struct device *dev)
    52	{
    53		struct i2c_client *client = to_i2c_client(dev);
    54	
    55		if (client->irq > 0 && device_may_wakeup(&client->dev))
  > 56			enable_irq_wake(client->irq);
    57		return 0;
    58	}
    59	
    60	static int ds1374_resume(struct device *dev)
    61	{
    62		struct i2c_client *client = to_i2c_client(dev);
    63	
    64		if (client->irq > 0 && device_may_wakeup(&client->dev))
  > 65			disable_irq_wake(client->irq);
    66		return 0;
    67	}
    68	#endif
    69	

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