Re: [PATCH v4 01/20] driver core: Split devres APIs to device/devres.h

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

Hi Raag,

kernel test robot noticed the following build warnings:

[auto build test WARNING on a1e062ab4a1f19bb0e94093ef90ab9a74f1f7744]

url:    https://github.com/intel-lab-lkp/linux/commits/Raag-Jadav/driver-core-Split-devres-APIs-to-device-devres-h/20250210-145732
base:   a1e062ab4a1f19bb0e94093ef90ab9a74f1f7744
patch link:    https://lore.kernel.org/r/20250210064906.2181867-2-raag.jadav%40intel.com
patch subject: [PATCH v4 01/20] driver core: Split devres APIs to device/devres.h
config: powerpc-allyesconfig (https://download.01.org/0day-ci/archive/20250211/202502110256.ZtYROQTy-lkp@intel.com/config)
compiler: clang version 16.0.6 (https://github.com/llvm/llvm-project 7cbf1a2591520c2491aa35339f227775f4d3adf6)
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20250211/202502110256.ZtYROQTy-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/202502110256.ZtYROQTy-lkp@intel.com/

All warnings (new ones prefixed by >>):

   In file included from drivers/input/input.c:14:
   In file included from include/linux/input/mt.h:11:
   In file included from include/linux/input.h:19:
   In file included from include/linux/device.h:31:
   In file included from include/linux/device/devres.h:7:
   In file included from include/linux/io.h:14:
   In file included from arch/powerpc/include/asm/io.h:274:
>> arch/powerpc/include/asm/eeh.h:304:45: warning: declaration of 'struct iommu_group' will not be visible outside of this function [-Wvisibility]
   struct eeh_pe *eeh_iommu_group_to_pe(struct iommu_group *group);
                                               ^
   1 warning generated.
--
   In file included from drivers/input/touchscreen/mms114.c:10:
   In file included from include/linux/i2c.h:13:
   In file included from include/linux/acpi.h:14:
   In file included from include/linux/device.h:31:
   In file included from include/linux/device/devres.h:7:
   In file included from include/linux/io.h:14:
   In file included from arch/powerpc/include/asm/io.h:274:
>> arch/powerpc/include/asm/eeh.h:304:45: warning: declaration of 'struct iommu_group' will not be visible outside of this function [-Wvisibility]
   struct eeh_pe *eeh_iommu_group_to_pe(struct iommu_group *group);
                                               ^
   drivers/input/touchscreen/mms114.c:507:15: warning: cast to smaller integer type 'enum mms_type' from 'const void *' [-Wvoid-pointer-to-enum-cast]
           data->type = (enum mms_type)match_data;
                        ^~~~~~~~~~~~~~~~~~~~~~~~~
   2 warnings generated.
--
   In file included from drivers/input/touchscreen/wdt87xx_i2c.c:12:
   In file included from include/linux/i2c.h:13:
   In file included from include/linux/acpi.h:14:
   In file included from include/linux/device.h:31:
   In file included from include/linux/device/devres.h:7:
   In file included from include/linux/io.h:14:
   In file included from arch/powerpc/include/asm/io.h:274:
>> arch/powerpc/include/asm/eeh.h:304:45: warning: declaration of 'struct iommu_group' will not be visible outside of this function [-Wvisibility]
   struct eeh_pe *eeh_iommu_group_to_pe(struct iommu_group *group);
                                               ^
   drivers/input/touchscreen/wdt87xx_i2c.c:1156:36: warning: unused variable 'wdt87xx_acpi_id' [-Wunused-const-variable]
   static const struct acpi_device_id wdt87xx_acpi_id[] = {
                                      ^
   2 warnings generated.


vim +304 arch/powerpc/include/asm/eeh.h

55037d176107c3 arch/powerpc/include/asm/eeh.h Gavin Shan        2012-09-07  292  
c44e4ccadaca58 arch/powerpc/include/asm/eeh.h Sam Bobroff       2019-08-16  293  void eeh_show_enabled(void);
d125aedb404204 arch/powerpc/include/asm/eeh.h Oliver O'Halloran 2020-09-18  294  int __init eeh_init(struct eeh_ops *ops);
3e938052fb7655 arch/powerpc/include/asm/eeh.h Gavin Shan        2014-09-30  295  int eeh_check_failure(const volatile void __iomem *token);
f8f7d63fd96ead arch/powerpc/include/asm/eeh.h Gavin Shan        2012-09-07  296  int eeh_dev_check_failure(struct eeh_dev *edev);
685a0bc00abcf1 arch/powerpc/include/asm/eeh.h Sam Bobroff       2019-08-16  297  void eeh_addr_cache_init(void);
e86350f70a02e5 arch/powerpc/include/asm/eeh.h Oliver O'Halloran 2020-03-06  298  void eeh_probe_device(struct pci_dev *pdev);
807a827d4e7455 arch/powerpc/include/asm/eeh.h Gavin Shan        2013-07-24  299  void eeh_remove_device(struct pci_dev *);
188fdea69fa91d arch/powerpc/include/asm/eeh.h Sam Bobroff       2018-11-29  300  int eeh_unfreeze_pe(struct eeh_pe *pe);
5cfb20b96f624e arch/powerpc/include/asm/eeh.h Gavin Shan        2014-09-30  301  int eeh_pe_reset_and_recover(struct eeh_pe *pe);
212d16cdca2d0f arch/powerpc/include/asm/eeh.h Gavin Shan        2014-06-10  302  int eeh_dev_open(struct pci_dev *pdev);
212d16cdca2d0f arch/powerpc/include/asm/eeh.h Gavin Shan        2014-06-10  303  void eeh_dev_release(struct pci_dev *pdev);
212d16cdca2d0f arch/powerpc/include/asm/eeh.h Gavin Shan        2014-06-10 @304  struct eeh_pe *eeh_iommu_group_to_pe(struct iommu_group *group);
212d16cdca2d0f arch/powerpc/include/asm/eeh.h Gavin Shan        2014-06-10  305  int eeh_pe_set_option(struct eeh_pe *pe, int option);
212d16cdca2d0f arch/powerpc/include/asm/eeh.h Gavin Shan        2014-06-10  306  int eeh_pe_get_state(struct eeh_pe *pe);
1ef52073fd25ea arch/powerpc/include/asm/eeh.h Sam Bobroff       2018-11-29  307  int eeh_pe_reset(struct eeh_pe *pe, int option, bool include_passed);
212d16cdca2d0f arch/powerpc/include/asm/eeh.h Gavin Shan        2014-06-10  308  int eeh_pe_configure(struct eeh_pe *pe);
ec33d36e5ab5d5 arch/powerpc/include/asm/eeh.h Gavin Shan        2015-03-26  309  int eeh_pe_inject_err(struct eeh_pe *pe, int type, int func,
ec33d36e5ab5d5 arch/powerpc/include/asm/eeh.h Gavin Shan        2015-03-26  310  		      unsigned long addr, unsigned long mask);
b0e2b828dfca64 arch/powerpc/include/asm/eeh.h Narayana Murty N  2024-09-09  311  int eeh_pe_inject_mmio_error(struct pci_dev *pdev);
e2a296eeaa3444 include/asm-powerpc/eeh.h      Linas Vepstas     2005-11-03  312  

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