[linux-next:master 20068/20451] drivers/firmware/arm_scmi/driver.c:3110:45: error: pointer/integer type mismatch in conditional expression

[linux-next:master 20068/20451] drivers/firmware/arm_scmi/driver.c:3110:45: error: pointer/integer type mismatch in conditional expression

[kernel test robot]

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git master
head:   151a134a4e6ec66f69db8750c66006f5207f7a9d
commit: 7f73b4cb4b3afff60577e5ddc532fd026b55d4e5 [20068/20451] firmware: arm_scmi: Drop redundant ACPI configuration guard
config: sparc-randconfig-1000-20261028 (https://download.01.org/0day-ci/archive/20261028/202610282148.lpOpr7Kl-lkp@intel.com/config)
compiler: sparc64-linux-gcc (GCC) 16.2.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20261028/202610282148.lpOpr7Kl-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/202610282148.lpOpr7Kl-lkp@intel.com/

Note: the linux-next/master HEAD 151a134a4e6ec66f69db8750c66006f5207f7a9d builds fine.
      It may have been fixed somewhere.

All errors (new ones prefixed by >>):

   drivers/firmware/arm_scmi/driver.c: In function 'scmi_acpi_device_hid':
   drivers/firmware/arm_scmi/driver.c:3110:23: error: implicit declaration of function 'acpi_device_hid'; did you mean 'acpi_device_handle'? [-Wimplicit-function-declaration]
    3110 |         return adev ? acpi_device_hid(adev) : "unknown";
         |                       ^~~~~~~~~~~~~~~
         |                       acpi_device_handle
>> drivers/firmware/arm_scmi/driver.c:3110:45: error: pointer/integer type mismatch in conditional expression [-Wint-conversion]
    3110 |         return adev ? acpi_device_hid(adev) : "unknown";
         |                                             ^


vim +3110 drivers/firmware/arm_scmi/driver.c

c3d4aed763ce4a Cristian Marussi 2023-01-18  3107  
17b3cdaa7ab4e9 Sudeep Holla     2026-09-15  3108  static const char *scmi_acpi_device_hid(struct acpi_device *adev)
17b3cdaa7ab4e9 Sudeep Holla     2026-09-15  3109  {
17b3cdaa7ab4e9 Sudeep Holla     2026-09-15 @3110  	return adev ? acpi_device_hid(adev) : "unknown";
17b3cdaa7ab4e9 Sudeep Holla     2026-09-15  3111  }
17b3cdaa7ab4e9 Sudeep Holla     2026-09-15  3112  

:::::: The code at line 3110 was first introduced by commit
:::::: 17b3cdaa7ab4e9c4fc9b1b6816e80d9ade153272 firmware: arm_scmi: Fall back to ACPI HID when "compatible" is absent

:::::: TO: Sudeep Holla <sudeep.holla@kernel.org>
:::::: CC: Sudeep Holla <sudeep.holla@kernel.org>

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https://github.com/intel/lkp-tests/wiki