[PATCH 7/8] reset: amlogic: add auxiliary reset driver support

kernel test robot lkp at intel.com
Thu Jul 11 12:03:27 PDT 2024


Hi Jerome,

kernel test robot noticed the following build errors:

[auto build test ERROR on pza/reset/next]
[also build test ERROR on clk/clk-next linus/master v6.10-rc7 next-20240711]
[cannot apply to pza/imx-drm/next]
[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#_base_tree_information]

url:    https://github.com/intel-lab-lkp/linux/commits/Jerome-Brunet/reset-amlogic-convert-driver-to-regmap/20240711-055833
base:   https://git.pengutronix.de/git/pza/linux reset/next
patch link:    https://lore.kernel.org/r/20240710162526.2341399-8-jbrunet%40baylibre.com
patch subject: [PATCH 7/8] reset: amlogic: add auxiliary reset driver support
config: s390-allmodconfig (https://download.01.org/0day-ci/archive/20240712/202407120208.ub5kh5K1-lkp@intel.com/config)
compiler: clang version 19.0.0git (https://github.com/llvm/llvm-project a0c6b8aef853eedaa0980f07c0a502a5a8a9740e)
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20240712/202407120208.ub5kh5K1-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 at intel.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202407120208.ub5kh5K1-lkp@intel.com/

All errors (new ones prefixed by >>):

   In file included from drivers/reset/reset-meson.c:8:
   In file included from include/linux/auxiliary_bus.h:11:
   In file included from include/linux/device.h:32:
   In file included from include/linux/device/driver.h:21:
   In file included from include/linux/module.h:19:
   In file included from include/linux/elf.h:6:
   In file included from arch/s390/include/asm/elf.h:173:
   In file included from arch/s390/include/asm/mmu_context.h:11:
   In file included from arch/s390/include/asm/pgalloc.h:18:
   In file included from include/linux/mm.h:2253:
   include/linux/vmstat.h:500:43: warning: arithmetic between different enumeration types ('enum zone_stat_item' and 'enum numa_stat_item') [-Wenum-enum-conversion]
     500 |         return vmstat_text[NR_VM_ZONE_STAT_ITEMS +
         |                            ~~~~~~~~~~~~~~~~~~~~~ ^
     501 |                            item];
         |                            ~~~~
   include/linux/vmstat.h:507:43: warning: arithmetic between different enumeration types ('enum zone_stat_item' and 'enum numa_stat_item') [-Wenum-enum-conversion]
     507 |         return vmstat_text[NR_VM_ZONE_STAT_ITEMS +
         |                            ~~~~~~~~~~~~~~~~~~~~~ ^
     508 |                            NR_VM_NUMA_EVENT_ITEMS +
         |                            ~~~~~~~~~~~~~~~~~~~~~~
   include/linux/vmstat.h:514:36: warning: arithmetic between different enumeration types ('enum node_stat_item' and 'enum lru_list') [-Wenum-enum-conversion]
     514 |         return node_stat_name(NR_LRU_BASE + lru) + 3; // skip "nr_"
         |                               ~~~~~~~~~~~ ^ ~~~
   include/linux/vmstat.h:519:43: warning: arithmetic between different enumeration types ('enum zone_stat_item' and 'enum numa_stat_item') [-Wenum-enum-conversion]
     519 |         return vmstat_text[NR_VM_ZONE_STAT_ITEMS +
         |                            ~~~~~~~~~~~~~~~~~~~~~ ^
     520 |                            NR_VM_NUMA_EVENT_ITEMS +
         |                            ~~~~~~~~~~~~~~~~~~~~~~
   include/linux/vmstat.h:528:43: warning: arithmetic between different enumeration types ('enum zone_stat_item' and 'enum numa_stat_item') [-Wenum-enum-conversion]
     528 |         return vmstat_text[NR_VM_ZONE_STAT_ITEMS +
         |                            ~~~~~~~~~~~~~~~~~~~~~ ^
     529 |                            NR_VM_NUMA_EVENT_ITEMS +
         |                            ~~~~~~~~~~~~~~~~~~~~~~
   In file included from drivers/reset/reset-meson.c:11:
   In file included from include/linux/io.h:14:
   In file included from arch/s390/include/asm/io.h:93:
   include/asm-generic/io.h:548:31: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
     548 |         val = __raw_readb(PCI_IOBASE + addr);
         |                           ~~~~~~~~~~ ^
   include/asm-generic/io.h:561:61: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
     561 |         val = __le16_to_cpu((__le16 __force)__raw_readw(PCI_IOBASE + addr));
         |                                                         ~~~~~~~~~~ ^
   include/uapi/linux/byteorder/big_endian.h:37:59: note: expanded from macro '__le16_to_cpu'
      37 | #define __le16_to_cpu(x) __swab16((__force __u16)(__le16)(x))
         |                                                           ^
   include/uapi/linux/swab.h:102:54: note: expanded from macro '__swab16'
     102 | #define __swab16(x) (__u16)__builtin_bswap16((__u16)(x))
         |                                                      ^
   In file included from drivers/reset/reset-meson.c:11:
   In file included from include/linux/io.h:14:
   In file included from arch/s390/include/asm/io.h:93:
   include/asm-generic/io.h:574:61: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
     574 |         val = __le32_to_cpu((__le32 __force)__raw_readl(PCI_IOBASE + addr));
         |                                                         ~~~~~~~~~~ ^
   include/uapi/linux/byteorder/big_endian.h:35:59: note: expanded from macro '__le32_to_cpu'
      35 | #define __le32_to_cpu(x) __swab32((__force __u32)(__le32)(x))
         |                                                           ^
   include/uapi/linux/swab.h:115:54: note: expanded from macro '__swab32'
     115 | #define __swab32(x) (__u32)__builtin_bswap32((__u32)(x))
         |                                                      ^
   In file included from drivers/reset/reset-meson.c:11:
   In file included from include/linux/io.h:14:
   In file included from arch/s390/include/asm/io.h:93:
   include/asm-generic/io.h:585:33: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
     585 |         __raw_writeb(value, PCI_IOBASE + addr);
         |                             ~~~~~~~~~~ ^
   include/asm-generic/io.h:595:59: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
     595 |         __raw_writew((u16 __force)cpu_to_le16(value), PCI_IOBASE + addr);
         |                                                       ~~~~~~~~~~ ^
   include/asm-generic/io.h:605:59: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
     605 |         __raw_writel((u32 __force)cpu_to_le32(value), PCI_IOBASE + addr);
         |                                                       ~~~~~~~~~~ ^
   include/asm-generic/io.h:693:20: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
     693 |         readsb(PCI_IOBASE + addr, buffer, count);
         |                ~~~~~~~~~~ ^
   include/asm-generic/io.h:701:20: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
     701 |         readsw(PCI_IOBASE + addr, buffer, count);
         |                ~~~~~~~~~~ ^
   include/asm-generic/io.h:709:20: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
     709 |         readsl(PCI_IOBASE + addr, buffer, count);
         |                ~~~~~~~~~~ ^
   include/asm-generic/io.h:718:21: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
     718 |         writesb(PCI_IOBASE + addr, buffer, count);
         |                 ~~~~~~~~~~ ^
   include/asm-generic/io.h:727:21: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
     727 |         writesw(PCI_IOBASE + addr, buffer, count);
         |                 ~~~~~~~~~~ ^
   include/asm-generic/io.h:736:21: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
     736 |         writesl(PCI_IOBASE + addr, buffer, count);
         |                 ~~~~~~~~~~ ^
>> drivers/reset/reset-meson.c:272:1: error: redefinition of '__inittest'
     272 | module_auxiliary_driver(meson_reset_aux_driver);
         | ^
   include/linux/auxiliary_bus.h:245:2: note: expanded from macro 'module_auxiliary_driver'
     245 |         module_driver(__auxiliary_driver, auxiliary_driver_register, auxiliary_driver_unregister)
         |         ^
   include/linux/device/driver.h:261:3: note: expanded from macro 'module_driver'
     261 | } \
         |   ^
   include/linux/module.h:131:42: note: expanded from macro '\
   module_init'
     131 |         static inline initcall_t __maybe_unused __inittest(void)                \
         |                                                 ^
   drivers/reset/reset-meson.c:232:1: note: previous definition is here
     232 | module_platform_driver(meson_reset_pltf_driver);
         | ^
   include/linux/platform_device.h:303:2: note: expanded from macro 'module_platform_driver'
     303 |         module_driver(__platform_driver, platform_driver_register, \
         |         ^
   include/linux/device/driver.h:261:3: note: expanded from macro 'module_driver'
     261 | } \
         |   ^
   include/linux/module.h:131:42: note: expanded from macro '\
   module_init'
     131 |         static inline initcall_t __maybe_unused __inittest(void)                \
         |                                                 ^
>> drivers/reset/reset-meson.c:272:1: error: redefinition of 'init_module'
     272 | module_auxiliary_driver(meson_reset_aux_driver);
         | ^
   include/linux/auxiliary_bus.h:245:2: note: expanded from macro 'module_auxiliary_driver'
     245 |         module_driver(__auxiliary_driver, auxiliary_driver_register, auxiliary_driver_unregister)
         |         ^
   include/linux/device/driver.h:261:3: note: expanded from macro 'module_driver'
     261 | } \
         |   ^
   include/linux/module.h:133:6: note: expanded from macro '\
   module_init'
     133 |         int init_module(void) __copy(initfn)                    \
         |             ^
   drivers/reset/reset-meson.c:232:1: note: previous definition is here
     232 | module_platform_driver(meson_reset_pltf_driver);
         | ^
   include/linux/platform_device.h:303:2: note: expanded from macro 'module_platform_driver'
     303 |         module_driver(__platform_driver, platform_driver_register, \
         |         ^
   include/linux/device/driver.h:261:3: note: expanded from macro 'module_driver'
     261 | } \
         |   ^
   include/linux/module.h:133:6: note: expanded from macro '\
   module_init'
     133 |         int init_module(void) __copy(initfn)                    \
         |             ^
>> drivers/reset/reset-meson.c:272:1: error: redefinition of '__exittest'
     272 | module_auxiliary_driver(meson_reset_aux_driver);
         | ^
   include/linux/auxiliary_bus.h:245:2: note: expanded from macro 'module_auxiliary_driver'
     245 |         module_driver(__auxiliary_driver, auxiliary_driver_register, auxiliary_driver_unregister)
         |         ^
   include/linux/device/driver.h:266:3: note: expanded from macro 'module_driver'
     266 | } \
         |   ^
   include/linux/module.h:139:42: note: expanded from macro '\
   module_exit'
     139 |         static inline exitcall_t __maybe_unused __exittest(void)                \
         |                                                 ^
   drivers/reset/reset-meson.c:232:1: note: previous definition is here
     232 | module_platform_driver(meson_reset_pltf_driver);
         | ^
   include/linux/platform_device.h:303:2: note: expanded from macro 'module_platform_driver'
     303 |         module_driver(__platform_driver, platform_driver_register, \
         |         ^
   include/linux/device/driver.h:266:3: note: expanded from macro 'module_driver'
     266 | } \
         |   ^
   include/linux/module.h:139:42: note: expanded from macro '\
   module_exit'
     139 |         static inline exitcall_t __maybe_unused __exittest(void)                \
         |                                                 ^
>> drivers/reset/reset-meson.c:272:1: error: redefinition of 'cleanup_module'
     272 | module_auxiliary_driver(meson_reset_aux_driver);
         | ^
   include/linux/auxiliary_bus.h:245:2: note: expanded from macro 'module_auxiliary_driver'
     245 |         module_driver(__auxiliary_driver, auxiliary_driver_register, auxiliary_driver_unregister)
         |         ^
   include/linux/device/driver.h:266:3: note: expanded from macro 'module_driver'
     266 | } \
         |   ^
   include/linux/module.h:141:7: note: expanded from macro '\
   module_exit'
     141 |         void cleanup_module(void) __copy(exitfn)                \
         |              ^
   drivers/reset/reset-meson.c:232:1: note: previous definition is here
     232 | module_platform_driver(meson_reset_pltf_driver);
         | ^
   include/linux/platform_device.h:303:2: note: expanded from macro 'module_platform_driver'
     303 |         module_driver(__platform_driver, platform_driver_register, \
         |         ^
   include/linux/device/driver.h:266:3: note: expanded from macro 'module_driver'
     266 | } \
         |   ^
   include/linux/module.h:141:7: note: expanded from macro '\
   module_exit'
     141 |         void cleanup_module(void) __copy(exitfn)                \
         |              ^
   drivers/reset/reset-meson.c:292:5: error: redefinition of 'devm_meson_rst_aux_register'
     292 | int devm_meson_rst_aux_register(struct device *dev,
         |     ^
   include/soc/amlogic/meson-auxiliary-reset.h:15:19: note: previous definition is here
      15 | static inline int devm_meson_rst_aux_register(struct device *dev,
         |                   ^
   17 warnings and 5 errors generated.


vim +/__inittest +272 drivers/reset/reset-meson.c

   267	
   268	static struct auxiliary_driver meson_reset_aux_driver = {
   269		.probe		= meson_reset_aux_probe,
   270		.id_table	= meson_reset_aux_ids,
   271	};
 > 272	module_auxiliary_driver(meson_reset_aux_driver);
   273	

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