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Message-ID: <202307260241.BetLbnxd-lkp@intel.com>
Date:   Wed, 26 Jul 2023 02:54:04 +0800
From:   kernel test robot <lkp@...el.com>
To:     Naresh Solanki <naresh.solanki@...ements.com>,
        Guenter Roeck <linux@...ck-us.net>,
        Jean Delvare <jdelvare@...e.com>,
        krzysztof.kozlowski+dt@...aro.org
Cc:     llvm@...ts.linux.dev, oe-kbuild-all@...ts.linux.dev,
        linux-hwmon@...r.kernel.org,
        Patrick Rudolph <patrick.rudolph@...ements.com>,
        Naresh Solanki <Naresh.Solanki@...ements.com>,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH 3/3] hwmon: (pmbus/tda38640) Add workaround for bug in
 SVID mode

Hi Naresh,

kernel test robot noticed the following build errors:

[auto build test ERROR on 55612007f16b5d7b1fb83a7b0f5bb686829db7c7]

url:    https://github.com/intel-lab-lkp/linux/commits/Naresh-Solanki/hwmon-pmbus-Add-ON_OFF_CONFIG-register-bits/20230725-194318
base:   55612007f16b5d7b1fb83a7b0f5bb686829db7c7
patch link:    https://lore.kernel.org/r/20230725114030.1860571-3-Naresh.Solanki%409elements.com
patch subject: [PATCH 3/3] hwmon: (pmbus/tda38640) Add workaround for bug in SVID mode
config: x86_64-randconfig-x014-20230725 (https://download.01.org/0day-ci/archive/20230726/202307260241.BetLbnxd-lkp@intel.com/config)
compiler: clang version 16.0.4 (https://github.com/llvm/llvm-project.git ae42196bc493ffe877a7e3dff8be32035dea4d07)
reproduce: (https://download.01.org/0day-ci/archive/20230726/202307260241.BetLbnxd-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 <lkp@...el.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202307260241.BetLbnxd-lkp@intel.com/

All errors (new ones prefixed by >>):

>> drivers/hwmon/pmbus/tda38640.c:118:7: error: use of undeclared identifier 'CONFIG_SENSORS_TDA38640_REGULATOR'
           if (!CONFIG_SENSORS_TDA38640_REGULATOR || !np ||
                ^
   1 error generated.


vim +/CONFIG_SENSORS_TDA38640_REGULATOR +118 drivers/hwmon/pmbus/tda38640.c

   106	
   107	static int tda38640_probe(struct i2c_client *client)
   108	{
   109		struct device *dev = &client->dev;
   110		struct device_node *np = dev_of_node(dev);
   111		struct tda38640_data *data;
   112	
   113		data = devm_kzalloc(dev, sizeof(*data), GFP_KERNEL);
   114		if (!data)
   115			return -ENOMEM;
   116		memcpy(&data->info, &tda38640_info, sizeof(tda38640_info));
   117	
 > 118		if (!CONFIG_SENSORS_TDA38640_REGULATOR || !np ||
   119		    of_property_read_u32(np, "infineon,en-pin-fixed-level", &data->en_pin_lvl))
   120			return pmbus_do_probe(client, &data->info);
   121	
   122		/*
   123		 * Apply ON_OFF_CONFIG workaround as enabling the regulator using the
   124		 * OPERATION register doesn't work in SVID mode.
   125		 */
   126		data->info.read_byte_data = tda38640_read_byte_data;
   127		data->info.write_byte_data = tda38640_write_byte_data;
   128		/*
   129		 * One should configure PMBUS_ON_OFF_CONFIG here, but
   130		 * PB_ON_OFF_CONFIG_POWERUP_CONTROL, PB_ON_OFF_CONFIG_EN_PIN_REQ and
   131		 * PB_ON_OFF_CONFIG_EN_PIN_REQ are ignored by the device.
   132		 * Only PB_ON_OFF_CONFIG_POLARITY_HIGH has an effect.
   133		 */
   134	
   135		return pmbus_do_probe(client, &data->info);
   136	}
   137	

-- 
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki

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