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X-IronPort-AV: E=McAfee;i="6600,9927,10735"; a="385679550" X-IronPort-AV: E=Sophos;i="6.00,227,1681196400"; d="scan'208";a="385679550" Received: from orsmga004.jf.intel.com ([10.7.209.38]) by fmsmga101.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 08 Jun 2023 08:21:24 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=McAfee;i="6600,9927,10735"; a="834231008" X-IronPort-AV: E=Sophos;i="6.00,227,1681196400"; d="scan'208";a="834231008" Received: from lkp-server01.sh.intel.com (HELO 15ab08e44a81) ([10.239.97.150]) by orsmga004.jf.intel.com with ESMTP; 08 Jun 2023 08:21:22 -0700 Received: from kbuild by 15ab08e44a81 with local (Exim 4.96) (envelope-from ) id 1q7HRx-0007yW-2l; Thu, 08 Jun 2023 15:21:21 +0000 Date: Thu, 8 Jun 2023 23:21:14 +0800 From: kernel test robot To: Yauhen Kharuzhy Cc: oe-kbuild-all@lists.linux.dev, Linux Memory Management List , Lee Jones , Hans de Goede Subject: [linux-next:master 4146/8065] drivers/leds/leds-cht-wcove.c:142:21: warning: no previous prototype for 'cht_wc_leds_brightness_get' Message-ID: <202306082341.UQtCM8PO-lkp@intel.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline X-Rspamd-Server: rspam09 X-Rspamd-Queue-Id: 5A9C410001E X-Stat-Signature: 1az4jq9oaa5ty9qjcm85jued3199b7es X-Rspam-User: X-HE-Tag: 1686237709-788060 X-HE-Meta: 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 o5tN5hr8 rR96yYZXZBL5wO1bb9ubqt5Uk7yrJI2678fCVEGwUcqbw/9aYNMR1ndzi7G4cfF4uztGZeNc/Cm40pKlmdvHAy3VJfGOU/HhH7U+qCQxU7bTWYYX6n+bh0aFMRr4yLWSBgBI2IgCLrIeSyE6Ep86tKq45Q6IvIk4by4LU9BDfYxbt15DPIh2w/dbwDZWz0GpW9dTYV0aBugoSN1kO87rVO3DIegU3LRj6s+wThrgin0KVZEXGkeOXjeR6lbBO/NZb2fWtNZp3hT/sFDdvlt6v7mNvIT+IebMZGh6yJaP3TQ35z/yO89OngISsG9APrblVr1FIk4xJkEqGt/Z6hlIWwkiliSloJvVVpBFk X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: Hi Yauhen, FYI, the error/warning still remains. tree: https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git master head: db10f126048021b86e43a5d6a335ec49dec10155 commit: 047da762b9a937d60c16e2c8392c326e5ab11a1d [4146/8065] leds: Add Intel Cherry Trail Whiskey Cove PMIC LED driver config: x86_64-allyesconfig (https://download.01.org/0day-ci/archive/20230608/202306082341.UQtCM8PO-lkp@intel.com/config) compiler: gcc-12 (Debian 12.2.0-14) 12.2.0 reproduce (this is a W=1 build): # https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git/commit/?id=047da762b9a937d60c16e2c8392c326e5ab11a1d git remote add linux-next https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git git fetch --no-tags linux-next master git checkout 047da762b9a937d60c16e2c8392c326e5ab11a1d # save the config file mkdir build_dir && cp config build_dir/.config make W=1 O=build_dir ARCH=x86_64 olddefconfig make W=1 O=build_dir ARCH=x86_64 SHELL=/bin/bash drivers/leds/ If you fix the issue in a separate patch/commit (i.e. not just a new version of the same patch/commit), kindly add following tags | Reported-by: kernel test robot | Closes: https://lore.kernel.org/oe-kbuild-all/202306082341.UQtCM8PO-lkp@intel.com/ All warnings (new ones prefixed by >>): >> drivers/leds/leds-cht-wcove.c:142:21: warning: no previous prototype for 'cht_wc_leds_brightness_get' [-Wmissing-prototypes] 142 | enum led_brightness cht_wc_leds_brightness_get(struct led_classdev *cdev) | ^~~~~~~~~~~~~~~~~~~~~~~~~~ vim +/cht_wc_leds_brightness_get +142 drivers/leds/leds-cht-wcove.c 141 > 142 enum led_brightness cht_wc_leds_brightness_get(struct led_classdev *cdev) 143 { 144 struct cht_wc_led *led = container_of(cdev, struct cht_wc_led, cdev); 145 unsigned int val; 146 int ret; 147 148 mutex_lock(&led->mutex); 149 150 ret = regmap_read(led->regmap, led->regs->ctrl, &val); 151 if (ret < 0) { 152 dev_err(cdev->dev, "Failed to read LED CTRL reg: %d\n", ret); 153 ret = 0; 154 goto done; 155 } 156 157 val &= led->regs->on_off_mask; 158 if (val != led->regs->on_val) { 159 ret = 0; 160 goto done; 161 } 162 163 ret = regmap_read(led->regmap, led->regs->pwm, &val); 164 if (ret < 0) { 165 dev_err(cdev->dev, "Failed to read LED PWM reg: %d\n", ret); 166 ret = 0; 167 goto done; 168 } 169 170 ret = val; 171 done: 172 mutex_unlock(&led->mutex); 173 174 return ret; 175 } 176 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki