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X-CSE-ConnectionGUID: np/XYqzqReiZNZB//g8v5g== X-CSE-MsgGUID: klbkykVdS+W1UBQ6OCPRdw== X-IronPort-AV: E=McAfee;i="6800,10657,11900"; a="106725230" X-IronPort-AV: E=Sophos;i="6.25,270,1779174000"; d="scan'208";a="106725230" Received: from fmviesa006.fm.intel.com ([10.60.135.146]) by orvoesa102.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 09 Sep 2026 00:50:48 -0700 X-CSE-ConnectionGUID: YGt60OXITHmm6Ifxgle+Nw== X-CSE-MsgGUID: lT2DXUgtTZClrGGvcJOWwA== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.25,270,1779174000"; d="scan'208";a="266942103" Received: from lkp-server02.sh.intel.com (HELO cdbc6ec9b517) ([10.239.97.151]) by fmviesa006.fm.intel.com with ESMTP; 09 Sep 2026 00:50:46 -0700 Received: from kbuild by cdbc6ec9b517 with local (Exim 4.98.2) (envelope-from ) id 1x4D4t-0000000004t-1vtl; Wed, 09 Sep 2026 07:50:43 +0000 Date: Wed, 9 Sep 2026 15:48:26 +0800 From: kernel test robot To: Neil Armstrong , Georgi Djakov Cc: oe-kbuild-all@lists.linux.dev, linux-arm-msm@vger.kernel.org, linux-pm@vger.kernel.org, linux-kernel@vger.kernel.org, Neil Armstrong Subject: Re: [PATCH v2] interconnect: qcom: implement get_bw with rpmh_read Message-ID: <202609091547.IZVghFTg-lkp@intel.com> References: <20260908-topic-sm8x50-icc-read-rpmh-v2-1-b6f1c4205450@linaro.org> 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: <20260908-topic-sm8x50-icc-read-rpmh-v2-1-b6f1c4205450@linaro.org> Hi Neil, kernel test robot noticed the following build warnings: [auto build test WARNING on cee9395acd8043be0644b25c34bfa86623f2b935] url: https://github.com/intel-lab-lkp/linux/commits/Neil-Armstrong/interconnect-qcom-implement-get_bw-with-rpmh_read/20260908-100915 base: cee9395acd8043be0644b25c34bfa86623f2b935 patch link: https://lore.kernel.org/r/20260908-topic-sm8x50-icc-read-rpmh-v2-1-b6f1c4205450%40linaro.org patch subject: [PATCH v2] interconnect: qcom: implement get_bw with rpmh_read config: arc-randconfig-r112-20260909 (https://download.01.org/0day-ci/archive/20260909/202609091547.IZVghFTg-lkp@intel.com/config) compiler: arc-linux-gcc (GCC) 10.5.0 sparse: v0.6.5-rc1 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20260909/202609091547.IZVghFTg-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/202609091547.IZVghFTg-lkp@intel.com/ sparse warnings: (new ones prefixed by >>) >> drivers/interconnect/qcom/icc-rpmh.c:169:35: sparse: sparse: invalid assignment: *= drivers/interconnect/qcom/icc-rpmh.c:169:35: sparse: left side has type unsigned long long drivers/interconnect/qcom/icc-rpmh.c:169:35: sparse: right side has type restricted __le32 >> drivers/interconnect/qcom/icc-rpmh.c:172:33: sparse: sparse: incorrect type in initializer (different base types) @@ expected unsigned int [usertype] __base @@ got restricted __le16 [usertype] width @@ drivers/interconnect/qcom/icc-rpmh.c:172:33: sparse: expected unsigned int [usertype] __base drivers/interconnect/qcom/icc-rpmh.c:172:33: sparse: got restricted __le16 [usertype] width drivers/interconnect/qcom/icc-rpmh.c:178:35: sparse: sparse: invalid assignment: *= drivers/interconnect/qcom/icc-rpmh.c:178:35: sparse: left side has type unsigned long long drivers/interconnect/qcom/icc-rpmh.c:178:35: sparse: right side has type restricted __le32 drivers/interconnect/qcom/icc-rpmh.c:181:33: sparse: sparse: incorrect type in initializer (different base types) @@ expected unsigned int [usertype] __base @@ got restricted __le16 [usertype] width @@ drivers/interconnect/qcom/icc-rpmh.c:181:33: sparse: expected unsigned int [usertype] __base drivers/interconnect/qcom/icc-rpmh.c:181:33: sparse: got restricted __le16 [usertype] width drivers/interconnect/qcom/icc-rpmh.c:231:28: sparse: sparse: incorrect type in assignment (different base types) @@ expected restricted __le32 [usertype] unit @@ got unsigned int [usertype] @@ drivers/interconnect/qcom/icc-rpmh.c:231:28: sparse: expected restricted __le32 [usertype] unit drivers/interconnect/qcom/icc-rpmh.c:231:28: sparse: got unsigned int [usertype] drivers/interconnect/qcom/icc-rpmh.c:232:29: sparse: sparse: incorrect type in assignment (different base types) @@ expected restricted __le16 [usertype] width @@ got unsigned short [usertype] @@ drivers/interconnect/qcom/icc-rpmh.c:232:29: sparse: expected restricted __le16 [usertype] width drivers/interconnect/qcom/icc-rpmh.c:232:29: sparse: got unsigned short [usertype] vim +169 drivers/interconnect/qcom/icc-rpmh.c 138 139 static int qcom_icc_get_bw(struct icc_node *node, u32 *avg, u32 *peak) 140 { 141 struct qcom_icc_node *qn = node->data; 142 u32 avg_max = 0; 143 u32 peak_max = 0; 144 u64 x, y; 145 int i; 146 147 if (!qn->num_bcms) { 148 *avg = INT_MAX; 149 *peak = INT_MAX; 150 151 return 0; 152 } 153 154 for (i = 0; i < qn->num_bcms; ++i) { 155 struct qcom_icc_bcm *bcm = qn->bcms[i]; 156 157 /* Use AMC vote for boot-up */ 158 x = bcm->vote_x[QCOM_ICC_BUCKET_AMC]; 159 y = bcm->vote_y[QCOM_ICC_BUCKET_AMC]; 160 161 /* Consider enable mask and convert to INT_MAX */ 162 if (bcm->enable_mask) { 163 if (x & bcm->enable_mask) 164 avg_max = INT_MAX; 165 if (y & bcm->enable_mask) 166 peak_max = INT_MAX; 167 } else { 168 if (x) { > 169 x *= bcm->aux_data.unit; 170 do_div(x, bcm->vote_scale); 171 x *= qn->buswidth * qn->channels; > 172 do_div(x, bcm->aux_data.width); 173 174 avg_max = max(avg_max, x); 175 } 176 177 if (y) { 178 y *= bcm->aux_data.unit; 179 do_div(y, bcm->vote_scale); 180 y *= qn->buswidth; 181 do_div(y, bcm->aux_data.width); 182 183 peak_max = max(peak_max, y); 184 } 185 } 186 } 187 188 *avg = avg_max; 189 *peak = peak_max; 190 191 return 0; 192 } 193 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki