[PATCH v5 2/2] leds: mt6360: Add LED driver for MT6360
kernel test robot
lkp at intel.com
Wed Oct 7 01:11:51 EDT 2020
Hi Gene,
Thank you for the patch! Perhaps something to improve:
[auto build test WARNING on pavel-linux-leds/for-next]
[also build test WARNING on v5.9-rc8 next-20201006]
[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/0day-ci/linux/commits/Gene-Chen/leds-mt6360-Add-LED-driver-for-MT6360/20201007-094408
base: git://git.kernel.org/pub/scm/linux/kernel/git/pavel/linux-leds.git for-next
config: alpha-allyesconfig (attached as .config)
compiler: alpha-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
# https://github.com/0day-ci/linux/commit/cdafaffefe3568d483b764206c6cea243203b370
git remote add linux-review https://github.com/0day-ci/linux
git fetch --no-tags linux-review Gene-Chen/leds-mt6360-Add-LED-driver-for-MT6360/20201007-094408
git checkout cdafaffefe3568d483b764206c6cea243203b370
# save the attached .config to linux build tree
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross ARCH=alpha
If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp at intel.com>
All warnings (new ones prefixed by >>):
In file included from include/linux/device.h:15,
from include/linux/leds.h:12,
from include/linux/led-class-flash.h:11,
from drivers/leds/leds-mt6360.c:7:
drivers/leds/leds-mt6360.c: In function 'mt6360_led_probe':
>> drivers/leds/leds-mt6360.c:696:23: warning: format '%d' expects argument of type 'int', but argument 3 has type 'size_t' {aka 'long unsigned int'} [-Wformat=]
696 | dev_err(&pdev->dev, "No child node or node count over max led number %d\n", count);
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
include/linux/dev_printk.h:19:22: note: in definition of macro 'dev_fmt'
19 | #define dev_fmt(fmt) fmt
| ^~~
drivers/leds/leds-mt6360.c:696:3: note: in expansion of macro 'dev_err'
696 | dev_err(&pdev->dev, "No child node or node count over max led number %d\n", count);
| ^~~~~~~
drivers/leds/leds-mt6360.c:696:73: note: format string is defined here
696 | dev_err(&pdev->dev, "No child node or node count over max led number %d\n", count);
| ~^
| |
| int
| %ld
vim +696 drivers/leds/leds-mt6360.c
686
687 static int mt6360_led_probe(struct platform_device *pdev)
688 {
689 struct mt6360_priv *priv;
690 struct fwnode_handle *child;
691 size_t count;
692 int i = 0, ret;
693
694 count = device_get_child_node_count(&pdev->dev);
695 if (!count || count > MT6360_MAX_LEDS) {
> 696 dev_err(&pdev->dev, "No child node or node count over max led number %d\n", count);
697 return -EINVAL;
698 }
699
700 priv = devm_kzalloc(&pdev->dev, struct_size(priv, leds, count), GFP_KERNEL);
701 if (!priv)
702 return -ENOMEM;
703
704 priv->leds_count = count;
705 priv->dev = &pdev->dev;
706 mutex_init(&priv->lock);
707
708 priv->regmap = dev_get_regmap(pdev->dev.parent, NULL);
709 if (!priv->regmap) {
710 dev_err(&pdev->dev, "Failed to get parent regmap\n");
711 return -ENODEV;
712 }
713
714 device_for_each_child_node(&pdev->dev, child) {
715 struct mt6360_led *led = priv->leds + i;
716 struct led_init_data init_data = { .fwnode = child, };
717 u32 reg;
718
719 ret = fwnode_property_read_u32(child, "reg", ®);
720 if (ret)
721 goto out_flash_release;
722
723 if (reg >= MT6360_MAX_LEDS || priv->leds_active & BIT(reg))
724 return -EINVAL;
725 priv->leds_active |= BIT(reg);
726
727 led->led_no = reg;
728 led->priv = priv;
729
730 ret = mt6360_init_common_properties(led, &init_data);
731 if (ret)
732 goto out_flash_release;
733
734 if (reg == MT6360_LED_ISNKRGB || reg == MT6360_LED_ISNKML)
735 ret = mt6360_init_isnk_properties(led, &init_data);
736 else
737 ret = mt6360_init_flash_properties(led, &init_data);
738
739 if (ret)
740 goto out_flash_release;
741
742 ret = mt6360_led_register(&pdev->dev, led, &init_data);
743 if (ret)
744 goto out_flash_release;
745
746 i++;
747 }
748
749 platform_set_drvdata(pdev, priv);
750 return 0;
751
752 out_flash_release:
753 mt6360_v4l2_flash_release(priv);
754 return ret;
755 }
756
---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org
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