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

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Date:   Sat, 7 May 2022 02:02:39 +0800
From:   kernel test robot <lkp@...el.com>
To:     Muhammad Usama Anjum <usama.anjum@...labora.com>,
        "Rafael J. Wysocki" <rafael@...nel.org>,
        Len Brown <lenb@...nel.org>,
        Hans de Goede <hdegoede@...hat.com>,
        Mark Gross <markgross@...nel.org>,
        Benson Leung <bleung@...omium.org>,
        Enric Balletbo i Serra <eballetbo@...il.com>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>
Cc:     llvm@...ts.linux.dev, kbuild-all@...ts.01.org,
        usama.anjum@...labora.com,
        Collabora Kernel ML <kernel@...labora.com>,
        groeck@...omium.org, dtor@...omium.org, gwendal@...omium.org,
        vbendeb@...omium.org, andy@...radead.org,
        Ayman Bagabas <ayman.bagabas@...il.com>,
        Benjamin Tissoires <benjamin.tissoires@...hat.com>,
        Blaž Hrastnik <blaz@...n.io>,
        Darren Hart <dvhart@...radead.org>,
        Dmitry Torokhov <dmitry.torokhov@...il.com>,
        Jeremy Soller <jeremy@...tem76.com>,
        Mattias Jacobsson <2pi@....nu>,
        Mauro Carvalho Chehab <mchehab@...nel.org>,
        linux-media@...r.kernel.org, Rajat Jain <rajatja@...gle.com>,
        Srinivas Pandruvada <srinivas.pandruvada@...ux.intel.com>,
        platform-driver-x86@...r.kernel.org, linux-kernel@...r.kernel.org,
        linux-acpi@...r.kernel.org,
        "Rafael J . Wysocki" <rafael.j.wysocki@...el.com>,
        chrome-platform@...ts.linux.dev
Subject: Re: [PATCH v9] platform/chrome: Add ChromeOS ACPI device driver

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: i386-allmodconfig (https://download.01.org/0day-ci/archive/20220507/202205070117.SW4TyTN4-lkp@intel.com/config)
compiler: clang version 15.0.0 (https://github.com/llvm/llvm-project 5e004fb787698440a387750db7f8028e7cb14cfc)
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=clang make.cross W=1 O=build_dir ARCH=i386 SHELL=/bin/bash drivers/platform/chrome/

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

All warnings (new ones prefixed by >>):

>> drivers/platform/chrome/chromeos_acpi.c:254:5: warning: format specifies type 'long' but the argument has type 'unsigned int' [-Wformat]
                            (ARRAY_SIZE(chromeos_acpi_all_groups) - 2), chromeos_acpi_gpio_groups);
                            ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
   include/linux/dev_printk.h:146:70: note: expanded from macro 'dev_warn'
           dev_printk_index_wrap(_dev_warn, KERN_WARNING, dev, dev_fmt(fmt), ##__VA_ARGS__)
                                                                       ~~~     ^~~~~~~~~~~
   include/linux/dev_printk.h:110:23: note: expanded from macro 'dev_printk_index_wrap'
                   _p_func(dev, fmt, ##__VA_ARGS__);                       \
                                ~~~    ^~~~~~~~~~~
   1 warning generated.


vim +254 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	

-- 
0-DAY CI Kernel Test Service
https://01.org/lkp