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

From: kernel test robot
Date: Fri May 06 2022 - 08:47:40 EST


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@xxxxxxxxx/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@xxxxxxxxx>

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