Re: [PATCH next 2/5] minmax: Allow min()/max()/clamp() if the arguments have the same signedness.

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Hi David,

kernel test robot noticed the following build errors:

[auto build test ERROR on akpm-mm/mm-everything]
[also build test ERROR on linus/master v6.5-rc3 next-20230725]
[cannot apply to next-20230725 hch-configfs/for-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/David-Laight/minmax-Add-min_unsigned-a-b-and-max_unsigned-a-b/20230725-180332
base:   https://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm.git mm-everything
patch link:    https://lore.kernel.org/r/454f967d452548a9acfa7c0a0872507e%40AcuMS.aculab.com
patch subject: [PATCH next 2/5] minmax: Allow min()/max()/clamp() if the arguments have the same signedness.
config: loongarch-allnoconfig (https://download.01.org/0day-ci/archive/20230725/202307252139.Kz3mgUAw-lkp@xxxxxxxxx/config)
compiler: loongarch64-linux-gcc (GCC) 12.3.0
reproduce: (https://download.01.org/0day-ci/archive/20230725/202307252139.Kz3mgUAw-lkp@xxxxxxxxx/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@xxxxxxxxx>
| Closes: https://lore.kernel.org/oe-kbuild-all/202307252139.Kz3mgUAw-lkp@xxxxxxxxx/

All errors (new ones prefixed by >>):

   In file included from include/linux/irqdomain.h:36,
                    from arch/loongarch/include/asm/irq.h:8,
                    from include/linux/irq.h:23,
                    from arch/loongarch/include/asm/hardirq.h:10,
                    from include/linux/hardirq.h:11,
                    from include/linux/interrupt.h:11,
                    from drivers/irqchip/irq-loongarch-cpu.c:8:
>> include/linux/irqchip.h:24:10: error: implicit declaration of function '__typecheck'; did you mean 'typecheck'? [-Werror=implicit-function-declaration]
      24 |         (__typecheck(typecheck_irq_init_cb, &fn) ? fn : fn)
         |          ^~~~~~~~~~~
   include/linux/of.h:1478:31: note: in definition of macro '_OF_DECLARE'
    1478 |                      .data = (fn == (fn_type)NULL) ? fn : fn  }
         |                               ^~
   include/linux/irqchip.h:37:9: note: in expansion of macro 'OF_DECLARE_2'
      37 |         OF_DECLARE_2(irqchip, name, compat, typecheck_irq_init_cb(fn))
         |         ^~~~~~~~~~~~
   include/linux/irqchip.h:37:45: note: in expansion of macro 'typecheck_irq_init_cb'
      37 |         OF_DECLARE_2(irqchip, name, compat, typecheck_irq_init_cb(fn))
         |                                             ^~~~~~~~~~~~~~~~~~~~~
   drivers/irqchip/irq-loongarch-cpu.c:110:1: note: in expansion of macro 'IRQCHIP_DECLARE'
     110 | IRQCHIP_DECLARE(cpu_intc, "loongson,cpu-interrupt-controller", cpuintc_of_init);
         | ^~~~~~~~~~~~~~~
>> include/linux/of.h:1478:30: error: initializer element is not constant
    1478 |                      .data = (fn == (fn_type)NULL) ? fn : fn  }
         |                              ^
   include/linux/of.h:1493:17: note: in expansion of macro '_OF_DECLARE'
    1493 |                 _OF_DECLARE(table, name, compat, fn, of_init_fn_2)
         |                 ^~~~~~~~~~~
   include/linux/irqchip.h:37:9: note: in expansion of macro 'OF_DECLARE_2'
      37 |         OF_DECLARE_2(irqchip, name, compat, typecheck_irq_init_cb(fn))
         |         ^~~~~~~~~~~~
   drivers/irqchip/irq-loongarch-cpu.c:110:1: note: in expansion of macro 'IRQCHIP_DECLARE'
     110 | IRQCHIP_DECLARE(cpu_intc, "loongson,cpu-interrupt-controller", cpuintc_of_init);
         | ^~~~~~~~~~~~~~~
   include/linux/of.h:1478:30: note: (near initialization for '__of_table_cpu_intc.data')
    1478 |                      .data = (fn == (fn_type)NULL) ? fn : fn  }
         |                              ^
   include/linux/of.h:1493:17: note: in expansion of macro '_OF_DECLARE'
    1493 |                 _OF_DECLARE(table, name, compat, fn, of_init_fn_2)
         |                 ^~~~~~~~~~~
   include/linux/irqchip.h:37:9: note: in expansion of macro 'OF_DECLARE_2'
      37 |         OF_DECLARE_2(irqchip, name, compat, typecheck_irq_init_cb(fn))
         |         ^~~~~~~~~~~~
   drivers/irqchip/irq-loongarch-cpu.c:110:1: note: in expansion of macro 'IRQCHIP_DECLARE'
     110 | IRQCHIP_DECLARE(cpu_intc, "loongson,cpu-interrupt-controller", cpuintc_of_init);
         | ^~~~~~~~~~~~~~~
   cc1: some warnings being treated as errors
--
   In file included from include/linux/irqdomain.h:36,
                    from arch/loongarch/include/asm/irq.h:8,
                    from include/linux/irq.h:23,
                    from arch/loongarch/include/asm/hardirq.h:10,
                    from include/linux/hardirq.h:11,
                    from include/linux/interrupt.h:11,
                    from drivers/irqchip/irq-loongson-liointc.c:10:
>> include/linux/irqchip.h:24:10: error: implicit declaration of function '__typecheck'; did you mean 'typecheck'? [-Werror=implicit-function-declaration]
      24 |         (__typecheck(typecheck_irq_init_cb, &fn) ? fn : fn)
         |          ^~~~~~~~~~~
   include/linux/of.h:1478:31: note: in definition of macro '_OF_DECLARE'
    1478 |                      .data = (fn == (fn_type)NULL) ? fn : fn  }
         |                               ^~
   include/linux/irqchip.h:37:9: note: in expansion of macro 'OF_DECLARE_2'
      37 |         OF_DECLARE_2(irqchip, name, compat, typecheck_irq_init_cb(fn))
         |         ^~~~~~~~~~~~
   include/linux/irqchip.h:37:45: note: in expansion of macro 'typecheck_irq_init_cb'
      37 |         OF_DECLARE_2(irqchip, name, compat, typecheck_irq_init_cb(fn))
         |                                             ^~~~~~~~~~~~~~~~~~~~~
   drivers/irqchip/irq-loongson-liointc.c:371:1: note: in expansion of macro 'IRQCHIP_DECLARE'
     371 | IRQCHIP_DECLARE(loongson_liointc_1_0, "loongson,liointc-1.0", liointc_of_init);
         | ^~~~~~~~~~~~~~~
>> include/linux/of.h:1478:30: error: initializer element is not constant
    1478 |                      .data = (fn == (fn_type)NULL) ? fn : fn  }
         |                              ^
   include/linux/of.h:1493:17: note: in expansion of macro '_OF_DECLARE'
    1493 |                 _OF_DECLARE(table, name, compat, fn, of_init_fn_2)
         |                 ^~~~~~~~~~~
   include/linux/irqchip.h:37:9: note: in expansion of macro 'OF_DECLARE_2'
      37 |         OF_DECLARE_2(irqchip, name, compat, typecheck_irq_init_cb(fn))
         |         ^~~~~~~~~~~~
   drivers/irqchip/irq-loongson-liointc.c:371:1: note: in expansion of macro 'IRQCHIP_DECLARE'
     371 | IRQCHIP_DECLARE(loongson_liointc_1_0, "loongson,liointc-1.0", liointc_of_init);
         | ^~~~~~~~~~~~~~~
   include/linux/of.h:1478:30: note: (near initialization for '__of_table_loongson_liointc_1_0.data')
    1478 |                      .data = (fn == (fn_type)NULL) ? fn : fn  }
         |                              ^
   include/linux/of.h:1493:17: note: in expansion of macro '_OF_DECLARE'
    1493 |                 _OF_DECLARE(table, name, compat, fn, of_init_fn_2)
         |                 ^~~~~~~~~~~
   include/linux/irqchip.h:37:9: note: in expansion of macro 'OF_DECLARE_2'
      37 |         OF_DECLARE_2(irqchip, name, compat, typecheck_irq_init_cb(fn))
         |         ^~~~~~~~~~~~
   drivers/irqchip/irq-loongson-liointc.c:371:1: note: in expansion of macro 'IRQCHIP_DECLARE'
     371 | IRQCHIP_DECLARE(loongson_liointc_1_0, "loongson,liointc-1.0", liointc_of_init);
         | ^~~~~~~~~~~~~~~
>> include/linux/of.h:1478:30: error: initializer element is not constant
    1478 |                      .data = (fn == (fn_type)NULL) ? fn : fn  }
         |                              ^
   include/linux/of.h:1493:17: note: in expansion of macro '_OF_DECLARE'
    1493 |                 _OF_DECLARE(table, name, compat, fn, of_init_fn_2)
         |                 ^~~~~~~~~~~
   include/linux/irqchip.h:37:9: note: in expansion of macro 'OF_DECLARE_2'
      37 |         OF_DECLARE_2(irqchip, name, compat, typecheck_irq_init_cb(fn))
         |         ^~~~~~~~~~~~
   drivers/irqchip/irq-loongson-liointc.c:372:1: note: in expansion of macro 'IRQCHIP_DECLARE'
     372 | IRQCHIP_DECLARE(loongson_liointc_1_0a, "loongson,liointc-1.0a", liointc_of_init);
         | ^~~~~~~~~~~~~~~
   include/linux/of.h:1478:30: note: (near initialization for '__of_table_loongson_liointc_1_0a.data')
    1478 |                      .data = (fn == (fn_type)NULL) ? fn : fn  }
         |                              ^
   include/linux/of.h:1493:17: note: in expansion of macro '_OF_DECLARE'
    1493 |                 _OF_DECLARE(table, name, compat, fn, of_init_fn_2)
         |                 ^~~~~~~~~~~
   include/linux/irqchip.h:37:9: note: in expansion of macro 'OF_DECLARE_2'
      37 |         OF_DECLARE_2(irqchip, name, compat, typecheck_irq_init_cb(fn))
         |         ^~~~~~~~~~~~
   drivers/irqchip/irq-loongson-liointc.c:372:1: note: in expansion of macro 'IRQCHIP_DECLARE'
     372 | IRQCHIP_DECLARE(loongson_liointc_1_0a, "loongson,liointc-1.0a", liointc_of_init);
         | ^~~~~~~~~~~~~~~
>> include/linux/of.h:1478:30: error: initializer element is not constant
    1478 |                      .data = (fn == (fn_type)NULL) ? fn : fn  }
         |                              ^
   include/linux/of.h:1493:17: note: in expansion of macro '_OF_DECLARE'
    1493 |                 _OF_DECLARE(table, name, compat, fn, of_init_fn_2)
         |                 ^~~~~~~~~~~
   include/linux/irqchip.h:37:9: note: in expansion of macro 'OF_DECLARE_2'
      37 |         OF_DECLARE_2(irqchip, name, compat, typecheck_irq_init_cb(fn))
         |         ^~~~~~~~~~~~
   drivers/irqchip/irq-loongson-liointc.c:373:1: note: in expansion of macro 'IRQCHIP_DECLARE'
     373 | IRQCHIP_DECLARE(loongson_liointc_2_0, "loongson,liointc-2.0", liointc_of_init);
         | ^~~~~~~~~~~~~~~
   include/linux/of.h:1478:30: note: (near initialization for '__of_table_loongson_liointc_2_0.data')
    1478 |                      .data = (fn == (fn_type)NULL) ? fn : fn  }
         |                              ^
   include/linux/of.h:1493:17: note: in expansion of macro '_OF_DECLARE'
    1493 |                 _OF_DECLARE(table, name, compat, fn, of_init_fn_2)
         |                 ^~~~~~~~~~~
   include/linux/irqchip.h:37:9: note: in expansion of macro 'OF_DECLARE_2'
      37 |         OF_DECLARE_2(irqchip, name, compat, typecheck_irq_init_cb(fn))
         |         ^~~~~~~~~~~~
   drivers/irqchip/irq-loongson-liointc.c:373:1: note: in expansion of macro 'IRQCHIP_DECLARE'
     373 | IRQCHIP_DECLARE(loongson_liointc_2_0, "loongson,liointc-2.0", liointc_of_init);
         | ^~~~~~~~~~~~~~~
   cc1: some warnings being treated as errors
--
   In file included from include/linux/irqdomain.h:36,
                    from arch/loongarch/include/asm/irq.h:8,
                    from include/linux/irq.h:23,
                    from arch/loongarch/include/asm/hardirq.h:10,
                    from include/linux/hardirq.h:11,
                    from include/linux/interrupt.h:11,
                    from drivers/irqchip/irq-loongson-eiointc.c:11:
>> include/linux/irqchip.h:24:10: error: implicit declaration of function '__typecheck'; did you mean 'typecheck'? [-Werror=implicit-function-declaration]
      24 |         (__typecheck(typecheck_irq_init_cb, &fn) ? fn : fn)
         |          ^~~~~~~~~~~
   include/linux/of.h:1478:31: note: in definition of macro '_OF_DECLARE'
    1478 |                      .data = (fn == (fn_type)NULL) ? fn : fn  }
         |                               ^~
   include/linux/irqchip.h:37:9: note: in expansion of macro 'OF_DECLARE_2'
      37 |         OF_DECLARE_2(irqchip, name, compat, typecheck_irq_init_cb(fn))
         |         ^~~~~~~~~~~~
   include/linux/irqchip.h:37:45: note: in expansion of macro 'typecheck_irq_init_cb'
      37 |         OF_DECLARE_2(irqchip, name, compat, typecheck_irq_init_cb(fn))
         |                                             ^~~~~~~~~~~~~~~~~~~~~
   drivers/irqchip/irq-loongson-eiointc.c:508:1: note: in expansion of macro 'IRQCHIP_DECLARE'
     508 | IRQCHIP_DECLARE(loongson_ls2k0500_eiointc, "loongson,ls2k0500-eiointc", eiointc_of_init);
         | ^~~~~~~~~~~~~~~
>> include/linux/of.h:1478:30: error: initializer element is not constant
    1478 |                      .data = (fn == (fn_type)NULL) ? fn : fn  }
         |                              ^
   include/linux/of.h:1493:17: note: in expansion of macro '_OF_DECLARE'
    1493 |                 _OF_DECLARE(table, name, compat, fn, of_init_fn_2)
         |                 ^~~~~~~~~~~
   include/linux/irqchip.h:37:9: note: in expansion of macro 'OF_DECLARE_2'
      37 |         OF_DECLARE_2(irqchip, name, compat, typecheck_irq_init_cb(fn))
         |         ^~~~~~~~~~~~
   drivers/irqchip/irq-loongson-eiointc.c:508:1: note: in expansion of macro 'IRQCHIP_DECLARE'
     508 | IRQCHIP_DECLARE(loongson_ls2k0500_eiointc, "loongson,ls2k0500-eiointc", eiointc_of_init);
         | ^~~~~~~~~~~~~~~
   include/linux/of.h:1478:30: note: (near initialization for '__of_table_loongson_ls2k0500_eiointc.data')
    1478 |                      .data = (fn == (fn_type)NULL) ? fn : fn  }
         |                              ^
   include/linux/of.h:1493:17: note: in expansion of macro '_OF_DECLARE'
    1493 |                 _OF_DECLARE(table, name, compat, fn, of_init_fn_2)
         |                 ^~~~~~~~~~~
   include/linux/irqchip.h:37:9: note: in expansion of macro 'OF_DECLARE_2'
      37 |         OF_DECLARE_2(irqchip, name, compat, typecheck_irq_init_cb(fn))
         |         ^~~~~~~~~~~~
   drivers/irqchip/irq-loongson-eiointc.c:508:1: note: in expansion of macro 'IRQCHIP_DECLARE'
     508 | IRQCHIP_DECLARE(loongson_ls2k0500_eiointc, "loongson,ls2k0500-eiointc", eiointc_of_init);
         | ^~~~~~~~~~~~~~~
>> include/linux/of.h:1478:30: error: initializer element is not constant
    1478 |                      .data = (fn == (fn_type)NULL) ? fn : fn  }
         |                              ^
   include/linux/of.h:1493:17: note: in expansion of macro '_OF_DECLARE'
    1493 |                 _OF_DECLARE(table, name, compat, fn, of_init_fn_2)
         |                 ^~~~~~~~~~~
   include/linux/irqchip.h:37:9: note: in expansion of macro 'OF_DECLARE_2'
      37 |         OF_DECLARE_2(irqchip, name, compat, typecheck_irq_init_cb(fn))
         |         ^~~~~~~~~~~~
   drivers/irqchip/irq-loongson-eiointc.c:509:1: note: in expansion of macro 'IRQCHIP_DECLARE'
     509 | IRQCHIP_DECLARE(loongson_ls2k2000_eiointc, "loongson,ls2k2000-eiointc", eiointc_of_init);
         | ^~~~~~~~~~~~~~~
   include/linux/of.h:1478:30: note: (near initialization for '__of_table_loongson_ls2k2000_eiointc.data')
    1478 |                      .data = (fn == (fn_type)NULL) ? fn : fn  }
         |                              ^
   include/linux/of.h:1493:17: note: in expansion of macro '_OF_DECLARE'
    1493 |                 _OF_DECLARE(table, name, compat, fn, of_init_fn_2)
         |                 ^~~~~~~~~~~
   include/linux/irqchip.h:37:9: note: in expansion of macro 'OF_DECLARE_2'
      37 |         OF_DECLARE_2(irqchip, name, compat, typecheck_irq_init_cb(fn))
         |         ^~~~~~~~~~~~
   drivers/irqchip/irq-loongson-eiointc.c:509:1: note: in expansion of macro 'IRQCHIP_DECLARE'
     509 | IRQCHIP_DECLARE(loongson_ls2k2000_eiointc, "loongson,ls2k2000-eiointc", eiointc_of_init);
         | ^~~~~~~~~~~~~~~
   cc1: some warnings being treated as errors
--
   In file included from include/linux/irqdomain.h:36,
                    from arch/loongarch/include/asm/irq.h:8,
                    from include/linux/irq.h:23,
                    from arch/loongarch/include/asm/hardirq.h:10,
                    from include/linux/hardirq.h:11,
                    from include/linux/interrupt.h:11,
                    from drivers/irqchip/irq-loongson-htvec.c:9:
>> include/linux/irqchip.h:24:10: error: implicit declaration of function '__typecheck'; did you mean 'typecheck'? [-Werror=implicit-function-declaration]
      24 |         (__typecheck(typecheck_irq_init_cb, &fn) ? fn : fn)
         |          ^~~~~~~~~~~
   include/linux/of.h:1478:31: note: in definition of macro '_OF_DECLARE'
    1478 |                      .data = (fn == (fn_type)NULL) ? fn : fn  }
         |                               ^~
   include/linux/irqchip.h:37:9: note: in expansion of macro 'OF_DECLARE_2'
      37 |         OF_DECLARE_2(irqchip, name, compat, typecheck_irq_init_cb(fn))
         |         ^~~~~~~~~~~~
   include/linux/irqchip.h:37:45: note: in expansion of macro 'typecheck_irq_init_cb'
      37 |         OF_DECLARE_2(irqchip, name, compat, typecheck_irq_init_cb(fn))
         |                                             ^~~~~~~~~~~~~~~~~~~~~
   drivers/irqchip/irq-loongson-htvec.c:257:1: note: in expansion of macro 'IRQCHIP_DECLARE'
     257 | IRQCHIP_DECLARE(htvec, "loongson,htvec-1.0", htvec_of_init);
         | ^~~~~~~~~~~~~~~
>> include/linux/of.h:1478:30: error: initializer element is not constant
    1478 |                      .data = (fn == (fn_type)NULL) ? fn : fn  }
         |                              ^
   include/linux/of.h:1493:17: note: in expansion of macro '_OF_DECLARE'
    1493 |                 _OF_DECLARE(table, name, compat, fn, of_init_fn_2)
         |                 ^~~~~~~~~~~
   include/linux/irqchip.h:37:9: note: in expansion of macro 'OF_DECLARE_2'
      37 |         OF_DECLARE_2(irqchip, name, compat, typecheck_irq_init_cb(fn))
         |         ^~~~~~~~~~~~
   drivers/irqchip/irq-loongson-htvec.c:257:1: note: in expansion of macro 'IRQCHIP_DECLARE'
     257 | IRQCHIP_DECLARE(htvec, "loongson,htvec-1.0", htvec_of_init);
         | ^~~~~~~~~~~~~~~
   include/linux/of.h:1478:30: note: (near initialization for '__of_table_htvec.data')
    1478 |                      .data = (fn == (fn_type)NULL) ? fn : fn  }
         |                              ^
   include/linux/of.h:1493:17: note: in expansion of macro '_OF_DECLARE'
    1493 |                 _OF_DECLARE(table, name, compat, fn, of_init_fn_2)
         |                 ^~~~~~~~~~~
   include/linux/irqchip.h:37:9: note: in expansion of macro 'OF_DECLARE_2'
      37 |         OF_DECLARE_2(irqchip, name, compat, typecheck_irq_init_cb(fn))
         |         ^~~~~~~~~~~~
   drivers/irqchip/irq-loongson-htvec.c:257:1: note: in expansion of macro 'IRQCHIP_DECLARE'
     257 | IRQCHIP_DECLARE(htvec, "loongson,htvec-1.0", htvec_of_init);
         | ^~~~~~~~~~~~~~~
   cc1: some warnings being treated as errors
--
   In file included from include/linux/irqdomain.h:36,
                    from arch/loongarch/include/asm/irq.h:8,
                    from include/linux/irq.h:23,
                    from arch/loongarch/include/asm/hardirq.h:10,
                    from include/linux/hardirq.h:11,
                    from include/linux/interrupt.h:11,
                    from drivers/irqchip/irq-loongson-pch-pic.c:9:
>> include/linux/irqchip.h:24:10: error: implicit declaration of function '__typecheck'; did you mean 'typecheck'? [-Werror=implicit-function-declaration]
      24 |         (__typecheck(typecheck_irq_init_cb, &fn) ? fn : fn)
         |          ^~~~~~~~~~~
   include/linux/of.h:1478:31: note: in definition of macro '_OF_DECLARE'
    1478 |                      .data = (fn == (fn_type)NULL) ? fn : fn  }
         |                               ^~
   include/linux/irqchip.h:37:9: note: in expansion of macro 'OF_DECLARE_2'
      37 |         OF_DECLARE_2(irqchip, name, compat, typecheck_irq_init_cb(fn))
         |         ^~~~~~~~~~~~
   include/linux/irqchip.h:37:45: note: in expansion of macro 'typecheck_irq_init_cb'
      37 |         OF_DECLARE_2(irqchip, name, compat, typecheck_irq_init_cb(fn))
         |                                             ^~~~~~~~~~~~~~~~~~~~~
   drivers/irqchip/irq-loongson-pch-pic.c:358:1: note: in expansion of macro 'IRQCHIP_DECLARE'
     358 | IRQCHIP_DECLARE(pch_pic, "loongson,pch-pic-1.0", pch_pic_of_init);
         | ^~~~~~~~~~~~~~~
>> include/linux/of.h:1478:30: error: initializer element is not constant
    1478 |                      .data = (fn == (fn_type)NULL) ? fn : fn  }
         |                              ^
   include/linux/of.h:1493:17: note: in expansion of macro '_OF_DECLARE'
    1493 |                 _OF_DECLARE(table, name, compat, fn, of_init_fn_2)
         |                 ^~~~~~~~~~~
   include/linux/irqchip.h:37:9: note: in expansion of macro 'OF_DECLARE_2'
      37 |         OF_DECLARE_2(irqchip, name, compat, typecheck_irq_init_cb(fn))
         |         ^~~~~~~~~~~~
   drivers/irqchip/irq-loongson-pch-pic.c:358:1: note: in expansion of macro 'IRQCHIP_DECLARE'
     358 | IRQCHIP_DECLARE(pch_pic, "loongson,pch-pic-1.0", pch_pic_of_init);
         | ^~~~~~~~~~~~~~~
   include/linux/of.h:1478:30: note: (near initialization for '__of_table_pch_pic.data')
    1478 |                      .data = (fn == (fn_type)NULL) ? fn : fn  }
         |                              ^
   include/linux/of.h:1493:17: note: in expansion of macro '_OF_DECLARE'
    1493 |                 _OF_DECLARE(table, name, compat, fn, of_init_fn_2)
         |                 ^~~~~~~~~~~
   include/linux/irqchip.h:37:9: note: in expansion of macro 'OF_DECLARE_2'
      37 |         OF_DECLARE_2(irqchip, name, compat, typecheck_irq_init_cb(fn))
         |         ^~~~~~~~~~~~
   drivers/irqchip/irq-loongson-pch-pic.c:358:1: note: in expansion of macro 'IRQCHIP_DECLARE'
     358 | IRQCHIP_DECLARE(pch_pic, "loongson,pch-pic-1.0", pch_pic_of_init);
         | ^~~~~~~~~~~~~~~
   cc1: some warnings being treated as errors
..


vim +24 include/linux/irqchip.h

f1985002839af8 Marc Zyngier 2021-10-20  22  
f1985002839af8 Marc Zyngier 2021-10-20  23  #define typecheck_irq_init_cb(fn)					\
f1985002839af8 Marc Zyngier 2021-10-20 @24  	(__typecheck(typecheck_irq_init_cb, &fn) ? fn : fn)
f1985002839af8 Marc Zyngier 2021-10-20  25  

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




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