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Wed, 13 Oct 2021 08:37:10 +0000 Date: Wed, 13 Oct 2021 11:36:52 +0300 From: Dan Carpenter To: kbuild@lists.01.org, Krzysztof Adamski , Guenter Roeck , Jean Delvare Cc: lkp@intel.com, kbuild-all@lists.01.org, Rob Herring , linux-hwmon@vger.kernel.org, devicetree@vger.kernel.org Subject: Re: [PATCH v4 06/10] hwmon: (tmp421) really disable channels Message-ID: <202110130654.0li2Ip34-lkp@intel.com> Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: User-Agent: Mutt/1.9.4 (2018-02-28) X-ClientProxiedBy: JN2P275CA0017.ZAFP275.PROD.OUTLOOK.COM (2603:1086:0:3::29) To MWHPR1001MB2365.namprd10.prod.outlook.com (2603:10b6:301:2d::28) MIME-Version: 1.0 Received: from kadam (62.8.83.99) by JN2P275CA0017.ZAFP275.PROD.OUTLOOK.COM (2603:1086:0:3::29) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.4608.14 via Frontend Transport; Wed, 13 Oct 2021 08:37:05 +0000 X-MS-PublicTrafficType: Email X-MS-Office365-Filtering-Correlation-Id: 5e2f5d90-cad1-4c48-1844-08d98e24a5ee X-MS-TrafficTypeDiagnostic: MWHPR1001MB2319: X-MS-Exchange-Transport-Forked: True X-Microsoft-Antispam-PRVS: X-MS-Oob-TLC-OOBClassifiers: OLM:2399; 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4a0f8262fe071b Krzysztof Adamski 2021-10-12 171 struct i2c_client *client = data->client; 4a0f8262fe071b Krzysztof Adamski 2021-10-12 172 struct device *dev = &client->dev; 4a0f8262fe071b Krzysztof Adamski 2021-10-12 173 int cfg = i2c_smbus_read_byte_data(client, TMP421_CONFIG_REG_2); 4a0f8262fe071b Krzysztof Adamski 2021-10-12 174 int i; 4a0f8262fe071b Krzysztof Adamski 2021-10-12 175 4a0f8262fe071b Krzysztof Adamski 2021-10-12 176 if (cfg < 0) { 4a0f8262fe071b Krzysztof Adamski 2021-10-12 177 dev_err(dev, "error reading register, can't disable channels\n"); 4a0f8262fe071b Krzysztof Adamski 2021-10-12 @178 return err; "return cfg;" 4a0f8262fe071b Krzysztof Adamski 2021-10-12 179 } 4a0f8262fe071b Krzysztof Adamski 2021-10-12 180 4a0f8262fe071b Krzysztof Adamski 2021-10-12 181 cfg &= ~TMP421_CONFIG_REG_REN_MASK; 4a0f8262fe071b Krzysztof Adamski 2021-10-12 182 for (i = 0; i < data->channels; i++) 4a0f8262fe071b Krzysztof Adamski 2021-10-12 183 if (data->channel[i].enabled) 4a0f8262fe071b Krzysztof Adamski 2021-10-12 184 cfg |= TMP421_CONFIG_REG_REN(i); 4a0f8262fe071b Krzysztof Adamski 2021-10-12 185 4a0f8262fe071b Krzysztof Adamski 2021-10-12 186 err = i2c_smbus_write_byte_data(client, TMP421_CONFIG_REG_2, cfg); 4a0f8262fe071b Krzysztof Adamski 2021-10-12 187 if (err < 0) 4a0f8262fe071b Krzysztof Adamski 2021-10-12 188 dev_err(dev, "error writing register, can't disable channels\n"); 4a0f8262fe071b Krzysztof Adamski 2021-10-12 189 4a0f8262fe071b Krzysztof Adamski 2021-10-12 190 return err; 4a0f8262fe071b Krzysztof Adamski 2021-10-12 191 } --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org