Re: [PATCH v3 01/10] input: keyboard: adp5588-keys: support gpi key events as 'gpio keys'

[kernel test robot <lkp@xxxxxxxxx>]

Hi "Nuno,

I love your patch! Perhaps something to improve:

[auto build test WARNING on dtor-input/next]
[also build test WARNING on next-20220722]
[cannot apply to brgl/gpio/for-next hid/for-next linus/master v5.19-rc7]
[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/Nuno-S/adp5588-keys-refactor-and-fw-properties-support/20220721-160531
base:   https://git.kernel.org/pub/scm/linux/kernel/git/dtor/input.git next
config: x86_64-randconfig-a005 (https://download.01.org/0day-ci/archive/20220723/202207231228.n8l077iB-lkp@xxxxxxxxx/config)
compiler: clang version 15.0.0 (https://github.com/llvm/llvm-project 12fbd2d377e396ad61bce56d71c98a1eb1bebfa9)
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
        # https://github.com/intel-lab-lkp/linux/commit/357979f7c2525297178fb321c5793a4bd63dabb6
        git remote add linux-review https://github.com/intel-lab-lkp/linux
        git fetch --no-tags linux-review Nuno-S/adp5588-keys-refactor-and-fw-properties-support/20220721-160531
        git checkout 357979f7c2525297178fb321c5793a4bd63dabb6
        # save the config file
        mkdir build_dir && cp config build_dir/.config
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=x86_64 SHELL=/bin/bash drivers/input/keyboard/ drivers/platform/x86/

If you fix the issue, kindly add following tag where applicable
Reported-by: kernel test robot <lkp@xxxxxxxxx>

All warnings (new ones prefixed by >>):

>> drivers/input/keyboard/adp5588-keys.c:336:9: warning: implicit conversion from 'unsigned long' to 'int' changes value from 18446744073709551615 to -1 [-Wconstant-conversion]
           return INVALID_HWIRQ;
           ~~~~~~ ^~~~~~~~~~~~~
   include/linux/irq.h:1245:24: note: expanded from macro 'INVALID_HWIRQ'
   #define INVALID_HWIRQ   (~0UL)
                            ^~~~
   1 warning generated.


vim +336 drivers/input/keyboard/adp5588-keys.c

   323	
   324	static int adp5588_gpiomap_get_hwirq(struct device *dev, const u8 *map,
   325					     unsigned int gpio, unsigned int ngpios)
   326	{
   327		unsigned int hwirq;
   328	
   329		for (hwirq = 0; hwirq < ngpios; hwirq++)
   330			if (map[hwirq] == gpio)
   331				return hwirq;
   332	
   333		/* should never happen */
   334		dev_warn_ratelimited(dev, "could not find the hwirq for gpio(%u)\n", gpio);
   335	
 > 336		return INVALID_HWIRQ;
   337	}
   338	

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