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X-CSE-ConnectionGUID: Sxq8eHrwSYO1cWImrQ8CMQ== X-CSE-MsgGUID: 9AmPuoaUSrCOCQ0lH6Oekg== X-IronPort-AV: E=McAfee;i="6700,10204,11134"; a="18342895" X-IronPort-AV: E=Sophos;i="6.09,211,1716274800"; d="scan'208";a="18342895" Received: from fmviesa002.fm.intel.com ([10.60.135.142]) by fmvoesa111.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 15 Jul 2024 12:27:19 -0700 X-CSE-ConnectionGUID: 2Tdnb+rbRk+Wk2mkoCoccg== X-CSE-MsgGUID: 1KBBHSXLTp670BMn/kdLJQ== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.09,211,1716274800"; d="scan'208";a="72960660" Received: from lkp-server01.sh.intel.com (HELO 68891e0c336b) ([10.239.97.150]) by fmviesa002.fm.intel.com with ESMTP; 15 Jul 2024 12:27:15 -0700 Received: from kbuild by 68891e0c336b with local (Exim 4.96) (envelope-from ) id 1sTRLt-000eWK-35; Mon, 15 Jul 2024 19:27:13 +0000 Date: Tue, 16 Jul 2024 03:26:47 +0800 From: kernel test robot To: Jonathan =?iso-8859-1?Q?Neusch=E4fer?= , openbmc@lists.ozlabs.org, linux-clk@vger.kernel.org, devicetree@vger.kernel.org Cc: oe-kbuild-all@lists.linux.dev, Michael Turquette , Stephen Boyd , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Joel Stanley , Philipp Zabel , linux-kernel@vger.kernel.org, Jonathan =?iso-8859-1?Q?Neusch=E4fer?= Subject: Re: [PATCH RESEND v12 4/6] clk: wpcm450: Add Nuvoton WPCM450 clock/reset controller driver Message-ID: <202407160235.JYThNv91-lkp@intel.com> References: <20240708-wpcm-clk-v12-4-1afac539c37d@gmx.net> 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: <20240708-wpcm-clk-v12-4-1afac539c37d@gmx.net> Hi Jonathan, kernel test robot noticed the following build warnings: [auto build test WARNING on 4cece764965020c22cff7665b18a012006359095] url: https://github.com/intel-lab-lkp/linux/commits/Jonathan-Neusch-fer/dt-bindings-clock-Add-Nuvoton-WPCM450-clock-reset-controller/20240708-073926 base: 4cece764965020c22cff7665b18a012006359095 patch link: https://lore.kernel.org/r/20240708-wpcm-clk-v12-4-1afac539c37d%40gmx.net patch subject: [PATCH RESEND v12 4/6] clk: wpcm450: Add Nuvoton WPCM450 clock/reset controller driver config: arm-randconfig-r064-20240715 (https://download.01.org/0day-ci/archive/20240716/202407160235.JYThNv91-lkp@intel.com/config) compiler: clang version 15.0.7 (https://github.com/llvm/llvm-project 8dfdcc7b7bf66834a761bd8de445840ef68e4d1a) 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/202407160235.JYThNv91-lkp@intel.com/ cocci warnings: (new ones prefixed by >>) >> drivers/clk/nuvoton/clk-wpcm450.c:55:1-7: WARNING: do_div() does a 64-by-32 division, please consider using div64_ul instead. vim +55 drivers/clk/nuvoton/clk-wpcm450.c 36 37 static unsigned long wpcm450_clk_pll_recalc_rate(struct clk_hw *hw, 38 unsigned long parent_rate) 39 { 40 struct wpcm450_clk_pll *pll = to_wpcm450_clk_pll(hw); 41 unsigned long fbdv, indv, otdv; 42 u64 rate; 43 u32 pllcon; 44 45 if (parent_rate == 0) 46 return 0; 47 48 pllcon = readl_relaxed(pll->pllcon); 49 50 indv = FIELD_GET(PLLCON_INDV, pllcon) + 1; 51 fbdv = FIELD_GET(PLLCON_FBDV, pllcon) + 1; 52 otdv = FIELD_GET(PLLCON_OTDV, pllcon) + 1; 53 54 rate = (u64)parent_rate * fbdv; > 55 do_div(rate, indv * otdv); 56 57 return rate; 58 } 59 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki