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Date:   Tue, 13 Jun 2023 02:58:32 +0800
From:   kernel test robot <lkp@intel.com>
To:     Rasmus Villemoes <linux@rasmusvillemoes.dk>,
        Alessandro Zummo <a.zummo@towertech.it>,
        Alexandre Belloni <alexandre.belloni@bootlin.com>
Cc:     oe-kbuild-all@lists.linux.dev,
        Andy Shevchenko <andriy.shevchenko@linux.intel.com>,
        devicetree@vger.kernel.org, Rob Herring <robh+dt@kernel.org>,
        Krzysztof Kozlowski <krzk@kernel.org>,
        Conor Dooley <conor+dt@kernel.org>, linux-rtc@vger.kernel.org,
        Rasmus Villemoes <linux@rasmusvillemoes.dk>,
        linux-kernel@vger.kernel.org
Subject: Re: [PATCH 4/8] rtc: isl12022: add support for trip level DT bindings
Message-ID: <202306130201.ai7ck1mx-lkp@intel.com>
References: <20230612113059.247275-5-linux@rasmusvillemoes.dk>
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In-Reply-To: <20230612113059.247275-5-linux@rasmusvillemoes.dk>
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Hi Rasmus,

kernel test robot noticed the following build errors:

[auto build test ERROR on abelloni/rtc-next]
[also build test ERROR on robh/for-next linus/master v6.4-rc6 next-20230609]
[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/Rasmus-Villemoes/rtc-isl12022-remove-wrong-warning-for-low-battery-level/20230612-211434
base:   https://git.kernel.org/pub/scm/linux/kernel/git/abelloni/linux.git rtc-next
patch link:    https://lore.kernel.org/r/20230612113059.247275-5-linux%40rasmusvillemoes.dk
patch subject: [PATCH 4/8] rtc: isl12022: add support for trip level DT bindings
config: alpha-allyesconfig (https://download.01.org/0day-ci/archive/20230613/202306130201.ai7ck1mx-lkp@intel.com/config)
compiler: alpha-linux-gcc (GCC) 12.3.0
reproduce (this is a W=1 build):
        mkdir -p ~/bin
        wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
        chmod +x ~/bin/make.cross
        git remote add abelloni https://git.kernel.org/pub/scm/linux/kernel/git/abelloni/linux.git
        git fetch abelloni rtc-next
        git checkout abelloni/rtc-next
        b4 shazam https://lore.kernel.org/r/20230612113059.247275-5-linux@rasmusvillemoes.dk
        # save the config file
        mkdir build_dir && cp config build_dir/.config
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-12.3.0 ~/bin/make.cross W=1 O=build_dir ARCH=alpha olddefconfig
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-12.3.0 ~/bin/make.cross W=1 O=build_dir ARCH=alpha SHELL=/bin/bash drivers/

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@intel.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202306130201.ai7ck1mx-lkp@intel.com/

All errors (new ones prefixed by >>):

   drivers/rtc/rtc-isl12022.c: In function 'isl12022_set_trip_levels':
>> drivers/rtc/rtc-isl12022.c:238:15: error: implicit declaration of function 'FIELD_PREP' [-Werror=implicit-function-declaration]
     238 |         val = FIELD_PREP(ISL12022_REG_VB85_MASK, x85) | FIELD_PREP(ISL12022_REG_VB75_MASK, x75);
         |               ^~~~~~~~~~
   cc1: some warnings being treated as errors


vim +/FIELD_PREP +238 drivers/rtc/rtc-isl12022.c

   219	
   220	static void isl12022_set_trip_levels(struct device *dev)
   221	{
   222		struct regmap *regmap = dev_get_drvdata(dev);
   223		u32 level85 = 0, level75 = 0;
   224		int ret, x85, x75;
   225		u8 val, mask;
   226	
   227		device_property_read_u32(dev, "isil,trip-level85-microvolt", &level85);
   228		device_property_read_u32(dev, "isil,trip-level75-microvolt", &level75);
   229	
   230		for (x85 = 0; x85 < ARRAY_SIZE(trip_level85) - 1; ++x85)
   231			if (level85 <= trip_level85[x85])
   232				break;
   233	
   234		for (x75 = 0; x75 < ARRAY_SIZE(trip_level75) - 1; ++x75)
   235			if (level75 <= trip_level75[x75])
   236				break;
   237	
 > 238		val = FIELD_PREP(ISL12022_REG_VB85_MASK, x85) | FIELD_PREP(ISL12022_REG_VB75_MASK, x75);
   239		mask = ISL12022_REG_VB85_MASK | ISL12022_REG_VB75_MASK;
   240	
   241		ret = regmap_update_bits(regmap, ISL12022_REG_PWR_VBAT, mask, val);
   242		if (ret)
   243			dev_warn(dev, "unable to set battery alarm levels: %d\n", ret);
   244	}
   245	

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