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Mon, 9 May 2022 08:54:36 +0000 Received: from MW4PR11MB5933.namprd11.prod.outlook.com ([fe80::91fc:35fb:9ebc:81ec]) by MW4PR11MB5933.namprd11.prod.outlook.com ([fe80::91fc:35fb:9ebc:81ec%5]) with mapi id 15.20.5227.023; Mon, 9 May 2022 08:54:36 +0000 Message-ID: <0a725ef2-0f2a-f096-c8ae-af1d95b97479@intel.com> Date: Mon, 9 May 2022 16:54:29 +0800 User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:91.0) Gecko/20100101 Firefox/91.0 Thunderbird/91.9.0 Subject: drivers/staging/iio/cdc/ad7746.c:244:24: warning: The statement 'if (chip->capdac_set!=chan->channel) chip->capdac_set=chan->channel' is logically equivalent to 'chip->capdac_set=chan->channel'. [duplicateConditionalAssign] References: <202205020654.2NsUk8eO-lkp@intel.com> Content-Language: en-US To: Lucas Stankus CC: , Linux Kernel Mailing List , Jonathan Cameron , Alexandru Ardelean From: kernel test robot In-Reply-To: <202205020654.2NsUk8eO-lkp@intel.com> X-Forwarded-Message-Id: <202205020654.2NsUk8eO-lkp@intel.com> Content-Type: text/plain; charset="UTF-8"; format=flowed Content-Transfer-Encoding: 8bit X-ClientProxiedBy: HKAPR04CA0006.apcprd04.prod.outlook.com (2603:1096:203:d0::16) To MW4PR11MB5933.namprd11.prod.outlook.com (2603:10b6:303:16a::15) MIME-Version: 1.0 X-MS-PublicTrafficType: Email X-MS-Office365-Filtering-Correlation-Id: b732771e-5e8a-42b4-7499-08da31998b2a X-MS-TrafficTypeDiagnostic: SN6PR11MB2621:EE_ X-LD-Processed: 46c98d88-e344-4ed4-8496-4ed7712e255d,ExtAddr X-Microsoft-Antispam-PRVS: X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0; X-Microsoft-Antispam-Message-Info: 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 X-Forefront-Antispam-Report: CIP:255.255.255.255;CTRY:;LANG:en;SCL:1;SRV:;IPV:NLI;SFV:NSPM;H:MW4PR11MB5933.namprd11.prod.outlook.com;PTR:;CAT:NONE;SFS:(13230001)(366004)(38100700002)(2616005)(86362001)(36756003)(4001150100001)(5660300002)(83380400001)(8936002)(31686004)(6506007)(66556008)(82960400001)(6486002)(66476007)(26005)(508600001)(6512007)(6666004)(316002)(66946007)(66574015)(966005)(54906003)(31696002)(4326008)(8676002)(6916009)(2906002)(186003)(45980500001)(43740500002);DIR:OUT;SFP:1102; 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[duplicateConditionalAssign] if (chip->capdac_set != chan->channel) { ^ vim +244 drivers/staging/iio/cdc/ad7746.c 6a7e4b04df3f4f drivers/staging/iio/cdc/ad7746.c Lucas Stankus 2021-05-23 224 83e416f458d532 drivers/staging/iio/adc/ad7746.c Michael Hennerich 2011-09-21 225 static int ad7746_select_channel(struct iio_dev *indio_dev, 83e416f458d532 drivers/staging/iio/adc/ad7746.c Michael Hennerich 2011-09-21 226 struct iio_chan_spec const *chan) 83e416f458d532 drivers/staging/iio/adc/ad7746.c Michael Hennerich 2011-09-21 227 { 83e416f458d532 drivers/staging/iio/adc/ad7746.c Michael Hennerich 2011-09-21 228 struct ad7746_chip_info *chip = iio_priv(indio_dev); 83e416f458d532 drivers/staging/iio/adc/ad7746.c Michael Hennerich 2011-09-21 229 u8 vt_setup, cap_setup; afcd0b22e35e0b drivers/staging/iio/cdc/ad7746.c Hernán Gonzalez 2018-04-13 230 int ret, delay, idx; 83e416f458d532 drivers/staging/iio/adc/ad7746.c Michael Hennerich 2011-09-21 231 83e416f458d532 drivers/staging/iio/adc/ad7746.c Michael Hennerich 2011-09-21 232 switch (chan->type) { 83e416f458d532 drivers/staging/iio/adc/ad7746.c Michael Hennerich 2011-09-21 233 case IIO_CAPACITANCE: 83e416f458d532 drivers/staging/iio/adc/ad7746.c Michael Hennerich 2011-09-21 234 cap_setup = (chan->address & 0xFF) | AD7746_CAPSETUP_CAPEN; 83e416f458d532 drivers/staging/iio/adc/ad7746.c Michael Hennerich 2011-09-21 235 vt_setup = chip->vt_setup & ~AD7746_VTSETUP_VTEN; 579d542534c96c drivers/staging/iio/cdc/ad7746.c Eva Rachel Retuya 2016-10-28 236 idx = (chip->config & AD7746_CONF_CAPFS_MASK) >> 579d542534c96c drivers/staging/iio/cdc/ad7746.c Eva Rachel Retuya 2016-10-28 237 AD7746_CONF_CAPFS_SHIFT; 579d542534c96c drivers/staging/iio/cdc/ad7746.c Eva Rachel Retuya 2016-10-28 238 delay = ad7746_cap_filter_rate_table[idx][1]; 83e416f458d532 drivers/staging/iio/adc/ad7746.c Michael Hennerich 2011-09-21 239 6a7e4b04df3f4f drivers/staging/iio/cdc/ad7746.c Lucas Stankus 2021-05-23 240 ret = ad7746_set_capdac(chip, chan->channel); 83e416f458d532 drivers/staging/iio/adc/ad7746.c Michael Hennerich 2011-09-21 241 if (ret < 0) 83e416f458d532 drivers/staging/iio/adc/ad7746.c Michael Hennerich 2011-09-21 242 return ret; 83e416f458d532 drivers/staging/iio/adc/ad7746.c Michael Hennerich 2011-09-21 243 6a7e4b04df3f4f drivers/staging/iio/cdc/ad7746.c Lucas Stankus 2021-05-23 @244 if (chip->capdac_set != chan->channel) { 6a7e4b04df3f4f drivers/staging/iio/cdc/ad7746.c Lucas Stankus 2021-05-23 245 83e416f458d532 drivers/staging/iio/adc/ad7746.c Michael Hennerich 2011-09-21 246 chip->capdac_set = chan->channel; 83e416f458d532 drivers/staging/iio/adc/ad7746.c Michael Hennerich 2011-09-21 247 } 83e416f458d532 drivers/staging/iio/adc/ad7746.c Michael Hennerich 2011-09-21 248 break; 83e416f458d532 drivers/staging/iio/adc/ad7746.c Michael Hennerich 2011-09-21 249 case IIO_VOLTAGE: 83e416f458d532 drivers/staging/iio/adc/ad7746.c Michael Hennerich 2011-09-21 250 case IIO_TEMP: 83e416f458d532 drivers/staging/iio/adc/ad7746.c Michael Hennerich 2011-09-21 251 vt_setup = (chan->address & 0xFF) | AD7746_VTSETUP_VTEN; 83e416f458d532 drivers/staging/iio/adc/ad7746.c Michael Hennerich 2011-09-21 252 cap_setup = chip->cap_setup & ~AD7746_CAPSETUP_CAPEN; 579d542534c96c drivers/staging/iio/cdc/ad7746.c Eva Rachel Retuya 2016-10-28 253 idx = (chip->config & AD7746_CONF_VTFS_MASK) >> 579d542534c96c drivers/staging/iio/cdc/ad7746.c Eva Rachel Retuya 2016-10-28 254 AD7746_CONF_VTFS_SHIFT; 579d542534c96c drivers/staging/iio/cdc/ad7746.c Eva Rachel Retuya 2016-10-28 255 delay = ad7746_cap_filter_rate_table[idx][1]; 83e416f458d532 drivers/staging/iio/adc/ad7746.c Michael Hennerich 2011-09-21 256 break; 83e416f458d532 drivers/staging/iio/adc/ad7746.c Michael Hennerich 2011-09-21 257 default: 83e416f458d532 drivers/staging/iio/adc/ad7746.c Michael Hennerich 2011-09-21 258 return -EINVAL; 83e416f458d532 drivers/staging/iio/adc/ad7746.c Michael Hennerich 2011-09-21 259 } 83e416f458d532 drivers/staging/iio/adc/ad7746.c Michael Hennerich 2011-09-21 260 83e416f458d532 drivers/staging/iio/adc/ad7746.c Michael Hennerich 2011-09-21 261 if (chip->cap_setup != cap_setup) { 83e416f458d532 drivers/staging/iio/adc/ad7746.c Michael Hennerich 2011-09-21 262 ret = i2c_smbus_write_byte_data(chip->client, 83e416f458d532 drivers/staging/iio/adc/ad7746.c Michael Hennerich 2011-09-21 263 AD7746_REG_CAP_SETUP, 83e416f458d532 drivers/staging/iio/adc/ad7746.c Michael Hennerich 2011-09-21 264 cap_setup); 83e416f458d532 drivers/staging/iio/adc/ad7746.c Michael Hennerich 2011-09-21 265 if (ret < 0) 83e416f458d532 drivers/staging/iio/adc/ad7746.c Michael Hennerich 2011-09-21 266 return ret; 83e416f458d532 drivers/staging/iio/adc/ad7746.c Michael Hennerich 2011-09-21 267 83e416f458d532 drivers/staging/iio/adc/ad7746.c Michael Hennerich 2011-09-21 268 chip->cap_setup = cap_setup; 83e416f458d532 drivers/staging/iio/adc/ad7746.c Michael Hennerich 2011-09-21 269 } 83e416f458d532 drivers/staging/iio/adc/ad7746.c Michael Hennerich 2011-09-21 270 83e416f458d532 drivers/staging/iio/adc/ad7746.c Michael Hennerich 2011-09-21 271 if (chip->vt_setup != vt_setup) { 83e416f458d532 drivers/staging/iio/adc/ad7746.c Michael Hennerich 2011-09-21 272 ret = i2c_smbus_write_byte_data(chip->client, 83e416f458d532 drivers/staging/iio/adc/ad7746.c Michael Hennerich 2011-09-21 273 AD7746_REG_VT_SETUP, 83e416f458d532 drivers/staging/iio/adc/ad7746.c Michael Hennerich 2011-09-21 274 vt_setup); 83e416f458d532 drivers/staging/iio/adc/ad7746.c Michael Hennerich 2011-09-21 275 if (ret < 0) 83e416f458d532 drivers/staging/iio/adc/ad7746.c Michael Hennerich 2011-09-21 276 return ret; 83e416f458d532 drivers/staging/iio/adc/ad7746.c Michael Hennerich 2011-09-21 277 83e416f458d532 drivers/staging/iio/adc/ad7746.c Michael Hennerich 2011-09-21 278 chip->vt_setup = vt_setup; 83e416f458d532 drivers/staging/iio/adc/ad7746.c Michael Hennerich 2011-09-21 279 } 83e416f458d532 drivers/staging/iio/adc/ad7746.c Michael Hennerich 2011-09-21 280 83e416f458d532 drivers/staging/iio/adc/ad7746.c Michael Hennerich 2011-09-21 281 return delay; 83e416f458d532 drivers/staging/iio/adc/ad7746.c Michael Hennerich 2011-09-21 282 } 83e416f458d532 drivers/staging/iio/adc/ad7746.c Michael Hennerich 2011-09-21 283 -- 0-DAY CI Kernel Test Service https://01.org/lkp