From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mgamail.intel.com (mgamail.intel.com [198.175.65.19]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id BEA55201037 for ; Tue, 12 Nov 2024 15:02:21 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=198.175.65.19 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1731423743; cv=none; b=t2L6GPBWNdqHkcTQXJDkfvwrYcgqooNA53f+4XmsRnG/PpbHTexHUFRDVmUSbuwU6WdOjffv4Sk1fOQAZitWlLnZUTa8QV/vlD/zO5XRqn8dLYnMtfVAP47Q8uQZVOitKU/uGtoX3qMW299zl4Uf/5n67fJFA2dRe8fXT3wciPA= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1731423743; c=relaxed/simple; bh=kwZ2a2tH1vx5JJ/n7pIbTSwv/x5JHLz3mIdC4/0er+0=; h=Date:From:To:Cc:Subject:Message-ID:MIME-Version:Content-Type: Content-Disposition; b=HSRerSi1IHrxCGi4Q1eldKnOp4kfZyG9qwwlp0ERP2xYPvRRqphtJuhfUSqJ14uyivQfVK3uw4idvrHlfRQ0BFeOgkwUoIrHYrjzF5togk6n7iTTRur4AhZaT3zsJGLrxA/isR0UpeZq7qcsRsrvWxREnp885KM31BJXncW5Ug8= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=intel.com; spf=pass smtp.mailfrom=intel.com; dkim=pass (2048-bit key) header.d=intel.com header.i=@intel.com header.b=D+tR5nX3; arc=none smtp.client-ip=198.175.65.19 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=intel.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=intel.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=intel.com header.i=@intel.com header.b="D+tR5nX3" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1731423742; x=1762959742; h=date:from:to:cc:subject:message-id:mime-version: content-transfer-encoding; bh=kwZ2a2tH1vx5JJ/n7pIbTSwv/x5JHLz3mIdC4/0er+0=; b=D+tR5nX31sA0E7xY11pN8loeGp7irs3lo3eG8z2xAo73yc6DNA5M6+N2 T8CtaToj2v1eFY5I2/Rp+469DA81Bc7GA2O05DwdRZH5zHsid10bJeqrN bjHavE9Rxa8qsOMWVPbNJYDlE89Fonvd3iB07NYHv3jnDEysxGtqGAVI/ 5kwCuB6U0Q97uSRufixqIE/mudE71X8NXy/kCkjr3eoTYuu18ex69soyU L4zWlcqFdsEToGVD9+vt2Q6fKyJ0YaOEgertjlxglU1Iv47syClj3/F/+ BohrX4wCUeN2b80KsMGW7dapJbuksdeaBdClTsipiMZoFcHbwp4HegR+D A==; X-CSE-ConnectionGUID: tfyXiii2RQKkLKAfkSguxw== X-CSE-MsgGUID: puHyhHg9Qoeia3uNHkzm2Q== X-IronPort-AV: E=McAfee;i="6700,10204,11222"; a="31115767" X-IronPort-AV: E=Sophos;i="6.11,199,1725346800"; d="scan'208";a="31115767" Received: from fmviesa008.fm.intel.com ([10.60.135.148]) by orvoesa111.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 12 Nov 2024 07:02:20 -0800 X-CSE-ConnectionGUID: +/vOfRA2TTy/6XrR+ZlVRA== X-CSE-MsgGUID: AZ00LC20Ssuak1RqwcvhyA== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.12,148,1728975600"; d="scan'208";a="87623474" Received: from lkp-server01.sh.intel.com (HELO bcfed0da017c) ([10.239.97.150]) by fmviesa008.fm.intel.com with ESMTP; 12 Nov 2024 07:02:18 -0800 Received: from kbuild by bcfed0da017c with local (Exim 4.96) (envelope-from ) id 1tAsPI-0001Rp-29; Tue, 12 Nov 2024 15:02:16 +0000 Date: Tue, 12 Nov 2024 23:02:07 +0800 From: kernel test robot To: oe-kbuild@lists.linux.dev Cc: lkp@intel.com, Dan Carpenter Subject: Re: [PATCH v7 2/2] pwm: add support for NXPs high-side switch MC33XS2410 Message-ID: <202411122253.03yKXFpX-lkp@intel.com> Precedence: bulk X-Mailing-List: oe-kbuild@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=iso-8859-1 Content-Disposition: inline Content-Transfer-Encoding: 8bit BCC: lkp@intel.com CC: oe-kbuild-all@lists.linux.dev In-Reply-To: <20241109174135.26292-3-dima.fedrau@gmail.com> References: <20241109174135.26292-3-dima.fedrau@gmail.com> TO: Dimitri Fedrau CC: Dimitri Fedrau CC: "Uwe Kleine-König" CC: Rob Herring CC: Krzysztof Kozlowski CC: Conor Dooley CC: linux-pwm@vger.kernel.org CC: devicetree@vger.kernel.org CC: linux-kernel@vger.kernel.org Hi Dimitri, kernel test robot noticed the following build warnings: [auto build test WARNING on robh/for-next] [also build test WARNING on linus/master v6.12-rc7 next-20241112] [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#_base_tree_information] url: https://github.com/intel-lab-lkp/linux/commits/Dimitri-Fedrau/dt-bindings-pwm-add-support-for-MC33XS2410/20241110-014336 base: https://git.kernel.org/pub/scm/linux/kernel/git/robh/linux.git for-next patch link: https://lore.kernel.org/r/20241109174135.26292-3-dima.fedrau%40gmail.com patch subject: [PATCH v7 2/2] pwm: add support for NXPs high-side switch MC33XS2410 :::::: branch date: 3 days ago :::::: commit date: 3 days ago config: s390-randconfig-r073-20241112 (https://download.01.org/0day-ci/archive/20241112/202411122253.03yKXFpX-lkp@intel.com/config) compiler: s390-linux-gcc (GCC) 14.2.0 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 | Reported-by: Dan Carpenter | Closes: https://lore.kernel.org/r/202411122253.03yKXFpX-lkp@intel.com/ smatch warnings: drivers/pwm/pwm-mc33xs2410.c:184 mc33xs2410_pwm_get_freq() error: uninitialized symbol 'step'. vim +/step +184 drivers/pwm/pwm-mc33xs2410.c 23a0a66c9fc5eb0 Dimitri Fedrau 2024-11-09 152 23a0a66c9fc5eb0 Dimitri Fedrau 2024-11-09 153 static u8 mc33xs2410_pwm_get_freq(u64 period) 23a0a66c9fc5eb0 Dimitri Fedrau 2024-11-09 154 { 23a0a66c9fc5eb0 Dimitri Fedrau 2024-11-09 155 u8 step, count; 23a0a66c9fc5eb0 Dimitri Fedrau 2024-11-09 156 23a0a66c9fc5eb0 Dimitri Fedrau 2024-11-09 157 /* 23a0a66c9fc5eb0 Dimitri Fedrau 2024-11-09 158 * Check which step is appropriate for the given period, starting with 23a0a66c9fc5eb0 Dimitri Fedrau 2024-11-09 159 * the highest frequency(lowest period). Higher frequencies are 23a0a66c9fc5eb0 Dimitri Fedrau 2024-11-09 160 * represented with better resolution by the device. Therefore favor 23a0a66c9fc5eb0 Dimitri Fedrau 2024-11-09 161 * frequency range with the better resolution to minimize error 23a0a66c9fc5eb0 Dimitri Fedrau 2024-11-09 162 * introduced by the frequency steps. 23a0a66c9fc5eb0 Dimitri Fedrau 2024-11-09 163 */ 23a0a66c9fc5eb0 Dimitri Fedrau 2024-11-09 164 23a0a66c9fc5eb0 Dimitri Fedrau 2024-11-09 165 switch (period) { 23a0a66c9fc5eb0 Dimitri Fedrau 2024-11-09 166 case MC33XS2410_PWM_MIN_PERIOD ... MC33XS2410_PWM_MAX_PERIOD(3): 23a0a66c9fc5eb0 Dimitri Fedrau 2024-11-09 167 step = 3; 23a0a66c9fc5eb0 Dimitri Fedrau 2024-11-09 168 break; 23a0a66c9fc5eb0 Dimitri Fedrau 2024-11-09 169 case MC33XS2410_PWM_MAX_PERIOD(3) + 1 ... MC33XS2410_PWM_MAX_PERIOD(2): 23a0a66c9fc5eb0 Dimitri Fedrau 2024-11-09 170 step = 2; 23a0a66c9fc5eb0 Dimitri Fedrau 2024-11-09 171 break; 23a0a66c9fc5eb0 Dimitri Fedrau 2024-11-09 172 case MC33XS2410_PWM_MAX_PERIOD(2) + 1 ... MC33XS2410_PWM_MAX_PERIOD(1): 23a0a66c9fc5eb0 Dimitri Fedrau 2024-11-09 173 step = 1; 23a0a66c9fc5eb0 Dimitri Fedrau 2024-11-09 174 break; 23a0a66c9fc5eb0 Dimitri Fedrau 2024-11-09 175 case MC33XS2410_PWM_MAX_PERIOD(1) + 1 ... MC33XS2410_PWM_MAX_PERIOD(0): 23a0a66c9fc5eb0 Dimitri Fedrau 2024-11-09 176 step = 0; 23a0a66c9fc5eb0 Dimitri Fedrau 2024-11-09 177 break; 23a0a66c9fc5eb0 Dimitri Fedrau 2024-11-09 178 } 23a0a66c9fc5eb0 Dimitri Fedrau 2024-11-09 179 23a0a66c9fc5eb0 Dimitri Fedrau 2024-11-09 180 /* 23a0a66c9fc5eb0 Dimitri Fedrau 2024-11-09 181 * Round up here because a higher count results in a higher frequency 23a0a66c9fc5eb0 Dimitri Fedrau 2024-11-09 182 * and so a smaller period. 23a0a66c9fc5eb0 Dimitri Fedrau 2024-11-09 183 */ 23a0a66c9fc5eb0 Dimitri Fedrau 2024-11-09 @184 count = DIV_ROUND_UP((u32)MC33XS2410_PWM_MAX_PERIOD(step), (u32)period); 23a0a66c9fc5eb0 Dimitri Fedrau 2024-11-09 185 return FIELD_PREP(MC33XS2410_PWM_FREQ_STEP, step) | 23a0a66c9fc5eb0 Dimitri Fedrau 2024-11-09 186 FIELD_PREP(MC33XS2410_PWM_FREQ_COUNT, count - 1); 23a0a66c9fc5eb0 Dimitri Fedrau 2024-11-09 187 } 23a0a66c9fc5eb0 Dimitri Fedrau 2024-11-09 188 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki