[broonie-sound:for-next 45/75] sound/soc/amd/acp/acp-legacy-common.c:392:17: warning: assignment to 'struct acpi_device *' from 'int' makes pointer from integer without a cast

[kernel test robot <lkp@intel.com>]

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/broonie/sound.git for-next
head:   00236a89602f7b67016bd1d9bc63079f2c0f0a8d
commit: 3a94c8ad0aae2b14a55059869871ea2d199af489 [45/75] ASoC: amd: acp: add code for scanning acp pdm controller
config: i386-buildonly-randconfig-001-20231027 (https://download.01.org/0day-ci/archive/20231027/202310271326.7xKHbFDH-lkp@intel.com/config)
compiler: gcc-12 (Debian 12.2.0-14) 12.2.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20231027/202310271326.7xKHbFDH-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@intel.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202310271326.7xKHbFDH-lkp@intel.com/

All warnings (new ones prefixed by >>):

   sound/soc/amd/acp/acp-legacy-common.c: In function 'check_acp_pdm':
   sound/soc/amd/acp/acp-legacy-common.c:392:19: error: implicit declaration of function 'acpi_find_child_device'; did you mean 'acpi_match_device'? [-Werror=implicit-function-declaration]
     392 |         pdm_dev = acpi_find_child_device(ACPI_COMPANION(&pci->dev), pdm_addr, 0);
         |                   ^~~~~~~~~~~~~~~~~~~~~~
         |                   acpi_match_device
>> sound/soc/amd/acp/acp-legacy-common.c:392:17: warning: assignment to 'struct acpi_device *' from 'int' makes pointer from integer without a cast [-Wint-conversion]
     392 |         pdm_dev = acpi_find_child_device(ACPI_COMPANION(&pci->dev), pdm_addr, 0);
         |                 ^
   cc1: some warnings being treated as errors


vim +392 sound/soc/amd/acp/acp-legacy-common.c

   354	
   355	int check_acp_pdm(struct pci_dev *pci, struct acp_chip_info *chip)
   356	{
   357		struct acpi_device *pdm_dev;
   358		const union acpi_object *obj;
   359		u32 pdm_addr, val;
   360	
   361		val = readl(chip->base + ACP_PIN_CONFIG);
   362		switch (val) {
   363		case ACP_CONFIG_4:
   364		case ACP_CONFIG_5:
   365		case ACP_CONFIG_6:
   366		case ACP_CONFIG_7:
   367		case ACP_CONFIG_8:
   368		case ACP_CONFIG_10:
   369		case ACP_CONFIG_11:
   370		case ACP_CONFIG_12:
   371		case ACP_CONFIG_13:
   372		case ACP_CONFIG_14:
   373			break;
   374		default:
   375			return -EINVAL;
   376		}
   377	
   378		switch (chip->acp_rev) {
   379		case ACP3X_DEV:
   380			pdm_addr = ACP_RENOIR_PDM_ADDR;
   381			break;
   382		case ACP6X_DEV:
   383			pdm_addr = ACP_REMBRANDT_PDM_ADDR;
   384			break;
   385		case ACP63_DEV:
   386			pdm_addr = ACP63_PDM_ADDR;
   387			break;
   388		default:
   389			return -EINVAL;
   390		}
   391	
 > 392		pdm_dev = acpi_find_child_device(ACPI_COMPANION(&pci->dev), pdm_addr, 0);
   393		if (pdm_dev) {
   394			if (!acpi_dev_get_property(pdm_dev, "acp-audio-device-type",
   395						   ACPI_TYPE_INTEGER, &obj) &&
   396						   obj->integer.value == pdm_addr)
   397				return 0;
   398		}
   399		return -ENODEV;
   400	}
   401	EXPORT_SYMBOL_NS_GPL(check_acp_pdm, SND_SOC_ACP_COMMON);
   402	

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