Hi ChiaEn, Thank you for the patch! Perhaps something to improve: [auto build test WARNING on pavel-leds/for-next] [also build test WARNING on lee-mfd/for-mfd-next lee-backlight/for-backlight-next v5.18 next-20220602] [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/ChiaEn-Wu/Add-Mediatek-MT6370-PMIC-support/20220531-211432 base: git://git.kernel.org/pub/scm/linux/kernel/git/pavel/linux-leds.git for-next config: nios2-allyesconfig (https://download.01.org/0day-ci/archive/20220602/202206021739.LZjU7zjg-lkp@xxxxxxxxx/config) compiler: nios2-linux-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/805a8af17c769562ec4b85e9b7d2669d004fe3a6 git remote add linux-review https://github.com/intel-lab-lkp/linux git fetch --no-tags linux-review ChiaEn-Wu/Add-Mediatek-MT6370-PMIC-support/20220531-211432 git checkout 805a8af17c769562ec4b85e9b7d2669d004fe3a6 # 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=nios2 SHELL=/bin/bash drivers/gpu/drm/v3d/ drivers/leds/ sound/core/ If you fix the issue, kindly add following tag where applicable 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/leds.h:12, from include/linux/led-class-flash.h:11, from drivers/leds/flash/leds-mt6370-flash.c:8: drivers/leds/flash/leds-mt6370-flash.c: In function 'mt6370_led_probe': >> drivers/leds/flash/leds-mt6370-flash.c:591:17: warning: format '%lu' expects argument of type 'long unsigned int', but argument 3 has type 'size_t' {aka 'unsigned int'} [-Wformat=] 591 | "No child node or node count over max led number %lu\n", count); | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ 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:144:56: note: in expansion of macro 'dev_fmt' 144 | dev_printk_index_wrap(_dev_err, KERN_ERR, dev, dev_fmt(fmt), ##__VA_ARGS__) | ^~~~~~~ drivers/leds/flash/leds-mt6370-flash.c:590:17: note: in expansion of macro 'dev_err' 590 | dev_err(&pdev->dev, | ^~~~~~~ drivers/leds/flash/leds-mt6370-flash.c:591:68: note: format string is defined here 591 | "No child node or node count over max led number %lu\n", count); | ~~^ | | | long unsigned int | %u vim +591 drivers/leds/flash/leds-mt6370-flash.c 580 581 static int mt6370_led_probe(struct platform_device *pdev) 582 { 583 struct mt6370_priv *priv; 584 struct fwnode_handle *child; 585 size_t count; 586 int i = 0, ret; 587 588 count = device_get_child_node_count(&pdev->dev); 589 if (!count || count > MT6370_MAX_LEDS) { 590 dev_err(&pdev->dev, > 591 "No child node or node count over max led number %lu\n", count); 592 return -EINVAL; 593 } 594 595 priv = devm_kzalloc(&pdev->dev, struct_size(priv, leds, count), 596 GFP_KERNEL); 597 if (!priv) 598 return -ENOMEM; 599 600 priv->leds_count = count; 601 priv->dev = &pdev->dev; 602 mutex_init(&priv->lock); 603 604 priv->regmap = dev_get_regmap(pdev->dev.parent, NULL); 605 if (!priv->regmap) { 606 dev_err(&pdev->dev, "Failed to get parent regmap\n"); 607 return -ENODEV; 608 } 609 610 device_for_each_child_node(&pdev->dev, child) { 611 struct mt6370_led *led = priv->leds + i; 612 struct led_init_data init_data = { .fwnode = child, }; 613 614 led->priv = priv; 615 ret = mt6370_init_common_properties(led, &init_data); 616 if (ret) 617 goto out_flash_release; 618 619 ret = mt6370_init_flash_properties(led, &init_data); 620 621 if (ret) 622 goto out_flash_release; 623 624 ret = mt6370_led_register(&pdev->dev, led, &init_data); 625 if (ret) 626 goto out_flash_release; 627 628 i++; 629 } 630 631 platform_set_drvdata(pdev, priv); 632 return 0; 633 634 out_flash_release: 635 mt6370_v4l2_flash_release(priv); 636 return ret; 637 } 638 -- 0-DAY CI Kernel Test Service https://01.org/lkp
