linux-kernel - [asahilinux:bits/070-audio 6/33] sound/soc/codecs/tas2764.c:756:20: warning: cast to smaller integer type 'enum tas2764

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Message-ID: <202209242040.5gY6tHXv-lkp@intel.com>
Date:   Sat, 24 Sep 2022 21:22:33 +0800
From:   kernel test robot <lkp@...el.com>
To:     Martin Povišer <povik+lin@...ebit.org>
Cc:     llvm@...ts.linux.dev, kbuild-all@...ts.01.org,
        linux-kernel@...r.kernel.org, Hector Martin <marcan@...can.st>
Subject: [asahilinux:bits/070-audio 6/33] sound/soc/codecs/tas2764.c:756:20:
 warning: cast to smaller integer type 'enum tas2764_devid' from 'const void
 *'

tree:   https://github.com/AsahiLinux/linux bits/070-audio
head:   5052d0fa99604a162270274e7a22a111862d824f
commit: 040ba7fbccbd82b839c15f7e80deb6dd58190be4 [6/33] ASoC: tas2764: Extend driver to SN012776
config: arm64-buildonly-randconfig-r003-20220923
compiler: clang version 16.0.0 (https://github.com/llvm/llvm-project 791a7ae1ba3efd6bca96338e10ffde557ba83920)
reproduce (this is a W=1 build):
        wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
        chmod +x ~/bin/make.cross
        # install arm64 cross compiling tool for clang build
        # apt-get install binutils-aarch64-linux-gnu
        # https://github.com/AsahiLinux/linux/commit/040ba7fbccbd82b839c15f7e80deb6dd58190be4
        git remote add asahilinux https://github.com/AsahiLinux/linux
        git fetch --no-tags asahilinux bits/070-audio
        git checkout 040ba7fbccbd82b839c15f7e80deb6dd58190be4
        # save the config file
        mkdir build_dir && cp config build_dir/.config
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=arm64 SHELL=/bin/bash sound/soc/codecs/

If you fix the issue, kindly add following tag where applicable
| Reported-by: kernel test robot <lkp@...el.com>

All warnings (new ones prefixed by >>):

>> sound/soc/codecs/tas2764.c:756:20: warning: cast to smaller integer type 'enum tas2764_devid' from 'const void *' [-Wvoid-pointer-to-enum-cast]
                   tas2764->devid = (enum tas2764_devid) of_id->data;
                                    ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
   1 warning generated.


vim +756 sound/soc/codecs/tas2764.c

   740	
   741	static int tas2764_i2c_probe(struct i2c_client *client)
   742	{
   743		struct tas2764_priv *tas2764;
   744		const struct of_device_id *of_id = NULL;
   745		int result;
   746	
   747		tas2764 = devm_kzalloc(&client->dev, sizeof(struct tas2764_priv),
   748				       GFP_KERNEL);
   749		if (!tas2764)
   750			return -ENOMEM;
   751	
   752		if (client->dev.of_node)
   753			of_id = of_match_device(tas2764_of_match, &client->dev);	
   754	
   755		if (of_id)
 > 756			tas2764->devid = (enum tas2764_devid) of_id->data;
   757		else
   758			tas2764->devid = DEVID_TAS2764;
   759	
   760		tas2764->dev = &client->dev;
   761		tas2764->irq = client->irq;
   762		i2c_set_clientdata(client, tas2764);
   763		dev_set_drvdata(&client->dev, tas2764);
   764	
   765		tas2764->regmap = devm_regmap_init_i2c(client, &tas2764_i2c_regmap);
   766		if (IS_ERR(tas2764->regmap)) {
   767			result = PTR_ERR(tas2764->regmap);
   768			dev_err(&client->dev, "Failed to allocate register map: %d\n",
   769						result);
   770			return result;
   771		}
   772	
   773		if (client->dev.of_node) {
   774			result = tas2764_parse_dt(&client->dev, tas2764);
   775			if (result) {
   776				dev_err(tas2764->dev, "%s: Failed to parse devicetree\n",
   777					__func__);
   778				return result;
   779			}
   780		}
   781	
   782		return devm_snd_soc_register_component(tas2764->dev,
   783						       &soc_component_driver_tas2764,
   784						       tas2764_dai_driver,
   785						       ARRAY_SIZE(tas2764_dai_driver));
   786	}
   787	

-- 
0-DAY CI Kernel Test Service
https://01.org/lkp

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