Re: [PATCH v9] platform/chrome: Add ChromeOS ACPI device driver

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

Hi Muhammad,

I love your patch! Perhaps something to improve:

[auto build test WARNING on rafael-pm/linux-next]
[also build test WARNING on chrome-platform/for-next v5.18-rc5 next-20220506]
[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]

url:    https://github.com/intel-lab-lkp/linux/commits/Muhammad-Usama-Anjum/platform-chrome-Add-ChromeOS-ACPI-device-driver/20220506-175951
base:   https://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm.git linux-next
config: arc-allyesconfig (https://download.01.org/0day-ci/archive/20220506/202205062057.LDuKncYN-lkp@intel.com/config)
compiler: arceb-elf-gcc (GCC) 11.3.0
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
        # https://github.com/intel-lab-lkp/linux/commit/4f6407962feddc57bc7c80e5b29d5d339a1dba6c
        git remote add linux-review https://github.com/intel-lab-lkp/linux
        git fetch --no-tags linux-review Muhammad-Usama-Anjum/platform-chrome-Add-ChromeOS-ACPI-device-driver/20220506-175951
        git checkout 4f6407962feddc57bc7c80e5b29d5d339a1dba6c
        # save the config file
        mkdir build_dir && cp config build_dir/.config
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-11.3.0 make.cross W=1 O=build_dir ARCH=arc SHELL=/bin/bash drivers/platform/chrome/

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

All warnings (new ones prefixed by >>):

   In file included from include/linux/device.h:15,
                    from include/linux/acpi.h:15,
                    from drivers/platform/chrome/chromeos_acpi.c:13:
   drivers/platform/chrome/chromeos_acpi.c: In function 'chromeos_acpi_device_probe':
>> drivers/platform/chrome/chromeos_acpi.c:253:40: warning: format '%ld' expects argument of type 'long int', but argument 3 has type 'unsigned int' [-Wformat=]
     253 |                 dev_warn(&(pdev->dev), "Only %ld GPIO attr groups supported by the driver out of total %d.\n",
         |                                        ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
   include/linux/dev_printk.h:110:30: note: in definition of macro 'dev_printk_index_wrap'
     110 |                 _p_func(dev, fmt, ##__VA_ARGS__);                       \
         |                              ^~~
   include/linux/dev_printk.h:146:61: note: in expansion of macro 'dev_fmt'
     146 |         dev_printk_index_wrap(_dev_warn, KERN_WARNING, dev, dev_fmt(fmt), ##__VA_ARGS__)
         |                                                             ^~~~~~~
   drivers/platform/chrome/chromeos_acpi.c:253:17: note: in expansion of macro 'dev_warn'
     253 |                 dev_warn(&(pdev->dev), "Only %ld GPIO attr groups supported by the driver out of total %d.\n",
         |                 ^~~~~~~~
   drivers/platform/chrome/chromeos_acpi.c:253:48: note: format string is defined here
     253 |                 dev_warn(&(pdev->dev), "Only %ld GPIO attr groups supported by the driver out of total %d.\n",
         |                                              ~~^
         |                                                |
         |                                                long int
         |                                              %d
   At top level:
   drivers/platform/chrome/chromeos_acpi.c:259:36: warning: 'chromeos_device_ids' defined but not used [-Wunused-const-variable=]
     259 | static const struct acpi_device_id chromeos_device_ids[] = {
         |                                    ^~~~~~~~~~~~~~~~~~~


vim +253 drivers/platform/chrome/chromeos_acpi.c

   244	
   245	static int chromeos_acpi_device_probe(struct platform_device *pdev)
   246	{
   247		chromeos_acpi_gpio_groups = get_gpio_pkg_num(&pdev->dev);
   248	
   249		/* If platform has more GPIO attribute groups than the number of
   250		 * groups this driver supports, give out a warning message.
   251		 */
   252		if (chromeos_acpi_gpio_groups > (ARRAY_SIZE(chromeos_acpi_all_groups) - 2))
 > 253			dev_warn(&(pdev->dev), "Only %ld GPIO attr groups supported by the driver out of total %d.\n",
   254				 (ARRAY_SIZE(chromeos_acpi_all_groups) - 2), chromeos_acpi_gpio_groups);
   255		return 0;
   256	}
   257	

-- 
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https://01.org/lkp