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Clark" , Armin Wolf , Hans de Goede , Ilpo =?iso-8859-1?Q?J=E4rvinen?= Cc: llvm@lists.linux.dev, oe-kbuild-all@lists.linux.dev, Rong Zhang , Guenter Roeck , platform-driver-x86@vger.kernel.org, linux-kernel@vger.kernel.org, linux-hwmon@vger.kernel.org Subject: Re: [PATCH v4 3/7] platform/x86: lenovo-wmi-{capdata,other}: Support multiple Capability Data Message-ID: <202511142143.WLGlvDdQ-lkp@intel.com> References: <20251113191152.96076-4-i@rong.moe> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20251113191152.96076-4-i@rong.moe> Hi Rong, kernel test robot noticed the following build warnings: [auto build test WARNING on 2ccec5944606ee1389abc7ee41986825c6ceb574] url: https://github.com/intel-lab-lkp/linux/commits/Rong-Zhang/platform-x86-lenovo-wmi-helpers-Convert-returned-buffer-into-u32/20251114-032343 base: 2ccec5944606ee1389abc7ee41986825c6ceb574 patch link: https://lore.kernel.org/r/20251113191152.96076-4-i%40rong.moe patch subject: [PATCH v4 3/7] platform/x86: lenovo-wmi-{capdata,other}: Support multiple Capability Data config: x86_64-randconfig-011-20251114 (https://download.01.org/0day-ci/archive/20251114/202511142143.WLGlvDdQ-lkp@intel.com/config) compiler: clang version 20.1.8 (https://github.com/llvm/llvm-project 87f0227cb60147a26a1eeb4fb06e3b505e9c7261) reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20251114/202511142143.WLGlvDdQ-lkp@intel.com/reproduce) 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/202511142143.WLGlvDdQ-lkp@intel.com/ All warnings (new ones prefixed by >>): >> drivers/platform/x86/lenovo/wmi-capdata.c:88:27: warning: cast to smaller integer type 'enum lwmi_cd_type' from 'void *' [-Wvoid-pointer-to-enum-cast] 88 | enum lwmi_cd_type type = (enum lwmi_cd_type)data; | ^~~~~~~~~~~~~~~~~~~~~~~ 1 warning generated. vim +88 drivers/platform/x86/lenovo/wmi-capdata.c 78 79 /** 80 * lwmi_cd_match() - Match rule for the master driver. 81 * @dev: Pointer to the capability data parent device. 82 * @data: Type of the capability data (cast to enum lwmi_cd_type). 83 * 84 * Return: int. 85 */ 86 static int lwmi_cd_match(struct device *dev, void *data) 87 { > 88 enum lwmi_cd_type type = (enum lwmi_cd_type)data; 89 struct lwmi_cd_priv *priv; 90 91 if (dev->driver != &lwmi_cd_driver.driver) 92 return false; 93 94 priv = dev_get_drvdata(dev); 95 return priv->list->type == type; 96 } 97 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki