[PATCH v2 3/5] mfd: arizona: Add support for ACPI enumeration of WM5102 connected over SPI

[kernel test robot]

Hi Hans,

I love your patch! Yet something to improve:

[auto build test ERROR on lee-mfd/for-mfd-next]
[also build test ERROR on asoc/for-next v5.11-rc3 next-20210115]
[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]

url:    https://github.com/0day-ci/linux/commits/Hans-de-Goede/MFD-ASoC-Add-support-for-Intel-Bay-Trail-boards-with-WM5102-codec/20210117-235249
base:   https://git.kernel.org/pub/scm/linux/kernel/git/lee/mfd.git for-mfd-next
config: arm-randconfig-r021-20210118 (attached as .config)
compiler: clang version 12.0.0 (https://github.com/llvm/llvm-project bfd75bdf3fd62d4f5e7028d4122f9ffa517f2a09)
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 arm cross compiling tool for clang build
        # apt-get install binutils-arm-linux-gnueabi
        # https://github.com/0day-ci/linux/commit/ff3c43e0ca3dd07a3b671ee3be84b9c607dff305
        git remote add linux-review https://github.com/0day-ci/linux
        git fetch --no-tags linux-review Hans-de-Goede/MFD-ASoC-Add-support-for-Intel-Bay-Trail-boards-with-WM5102-codec/20210117-235249
        git checkout ff3c43e0ca3dd07a3b671ee3be84b9c607dff305
        # save the attached .config to linux build tree
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross ARCH=arm 

If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp at intel.com>

All errors (new ones prefixed by >>):

>> drivers/mfd/arizona-spi.c:194:7: error: assigning to 'int' from incompatible type 'void'
                   ret = arizona_spi_acpi_probe(arizona);
                       ^ ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
   1 error generated.


vim +194 drivers/mfd/arizona-spi.c

   135	
   136	static int arizona_spi_probe(struct spi_device *spi)
   137	{
   138		const struct spi_device_id *id = spi_get_device_id(spi);
   139		const void *match_data;
   140		struct arizona *arizona;
   141		const struct regmap_config *regmap_config = NULL;
   142		unsigned long type = 0;
   143		int ret;
   144	
   145		match_data = device_get_match_data(&spi->dev);
   146		if (match_data)
   147			type = (unsigned long)match_data;
   148		else if (id)
   149			type = id->driver_data;
   150	
   151		switch (type) {
   152		case WM5102:
   153			if (IS_ENABLED(CONFIG_MFD_WM5102))
   154				regmap_config = &wm5102_spi_regmap;
   155			break;
   156		case WM5110:
   157		case WM8280:
   158			if (IS_ENABLED(CONFIG_MFD_WM5110))
   159				regmap_config = &wm5110_spi_regmap;
   160			break;
   161		case WM1831:
   162		case CS47L24:
   163			if (IS_ENABLED(CONFIG_MFD_CS47L24))
   164				regmap_config = &cs47l24_spi_regmap;
   165			break;
   166		default:
   167			dev_err(&spi->dev, "Unknown device type %ld\n", type);
   168			return -EINVAL;
   169		}
   170	
   171		if (!regmap_config) {
   172			dev_err(&spi->dev,
   173				"No kernel support for device type %ld\n", type);
   174			return -EINVAL;
   175		}
   176	
   177		arizona = devm_kzalloc(&spi->dev, sizeof(*arizona), GFP_KERNEL);
   178		if (arizona == NULL)
   179			return -ENOMEM;
   180	
   181		arizona->regmap = devm_regmap_init_spi(spi, regmap_config);
   182		if (IS_ERR(arizona->regmap)) {
   183			ret = PTR_ERR(arizona->regmap);
   184			dev_err(&spi->dev, "Failed to allocate register map: %d\n",
   185				ret);
   186			return ret;
   187		}
   188	
   189		arizona->type = type;
   190		arizona->dev = &spi->dev;
   191		arizona->irq = spi->irq;
   192	
   193		if (has_acpi_companion(&spi->dev)) {
 > 194			ret = arizona_spi_acpi_probe(arizona);
   195			if (ret)
   196				return ret;
   197		}
   198	
   199		return arizona_dev_init(arizona);
   200	}
   201	

---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org
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