Hi Adam,

[auto build test WARNING on: asoc/for-next]
[also build test WARNING on: v4.4-rc1 next-20151119]

url:    https://github.com/0day-ci/linux/commits/Adam-Thomson/ASoC-da7218-Add-bindings-documentation-for-DA7218-audio-codec/20151120-014315
base:   https://git.kernel.org/pub/scm/linux/kernel/git/broonie/sound.git for-next
config: x86_64-allmodconfig (attached as .config)
reproduce:
        # save the attached .config to linux build tree
        make ARCH=x86_64 

All warnings (new ones prefixed by >>):

   sound/soc/codecs/da7218.c: In function 'da7218_of_get_id':
>> sound/soc/codecs/da7218.c:2261:10: warning: cast from pointer to integer of different size [-Wpointer-to-int-cast]
      return (int) id->data;
             ^

vim +2261 sound/soc/codecs/da7218.c

  2245	/*
  2246	 * DT
  2247	 */
  2248	
  2249	static const struct of_device_id da7218_of_match[] = {
  2250		{ .compatible = "dlg,da7217", .data = (void *) DA7217_DEV_ID },
  2251		{ .compatible = "dlg,da7218", .data = (void *) DA7218_DEV_ID },
  2252		{ }
  2253	};
  2254	MODULE_DEVICE_TABLE(of, da7218_of_match);
  2255	
  2256	static inline int da7218_of_get_id(struct device *dev)
  2257	{
  2258		const struct of_device_id *id = of_match_device(da7218_of_match, dev);
  2259	
  2260		if (id)
> 2261			return (int) id->data;
  2262		else
  2263			return -EINVAL;
  2264	}
  2265	
  2266	static enum da7218_micbias_voltage
  2267		da7218_of_micbias_lvl(struct snd_soc_codec *codec, u32 val)
  2268	{
  2269		switch (val) {

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