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Message-ID: <202311100226.yNCwxxjc-lkp@intel.com>
Date:   Fri, 10 Nov 2023 03:07:13 +0800
From:   kernel test robot <lkp@...el.com>
To:     Alban Bedel <albeu@...e.fr>
Cc:     oe-kbuild-all@...ts.linux.dev, linux-kernel@...r.kernel.org,
        Jason Cooper <jason@...edaemon.net>
Subject: drivers/irqchip/irq-ath79-misc.c:173:13: warning: no previous
 prototype for 'ath79_misc_irq_init'

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head:   6bc986ab839c844e78a2333a02e55f02c9e57935
commit: 07ba4b061a79896315a7be4b123de12df6a9d2bd irqchip/ath79-misc: Move the MISC driver from arch/mips/ath79/
date:   8 years ago
config: mips-randconfig-r005-20210928 (https://download.01.org/0day-ci/archive/20231110/202311100226.yNCwxxjc-lkp@intel.com/config)
compiler: mips-linux-gcc (GCC) 12.3.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20231110/202311100226.yNCwxxjc-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@...el.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202311100226.yNCwxxjc-lkp@intel.com/

All warnings (new ones prefixed by >>):

     158 |                 ______r = !!(cond);                                     \
         |                              ^~~~
   include/linux/preempt.h:165:9: note: in expansion of macro 'if'
     165 |         if (unlikely(preempt_count_dec_and_test())) \
         |         ^~
   include/linux/compiler.h:137:60: note: in expansion of macro '__branch_check__'
     137 | #  define unlikely(x)   (__builtin_constant_p(x) ? !!(x) : __branch_check__(x, 0))
         |                                                            ^~~~~~~~~~~~~~~~
   include/linux/preempt.h:165:13: note: in expansion of macro 'unlikely'
     165 |         if (unlikely(preempt_count_dec_and_test())) \
         |             ^~~~~~~~
   include/linux/radix-tree.h:315:9: note: in expansion of macro 'preempt_enable'
     315 |         preempt_enable();
         |         ^~~~~~~~~~~~~~
   include/linux/compiler.h:153:25: note: previous declaration here
     153 |                         ______f = {                                     \
         |                         ^~~~~~~
   include/linux/compiler.h:145:23: note: in expansion of macro '__trace_if'
     145 | #define if(cond, ...) __trace_if( (cond , ## __VA_ARGS__) )
         |                       ^~~~~~~~~~
   include/linux/preempt.h:165:9: note: in expansion of macro 'if'
     165 |         if (unlikely(preempt_count_dec_and_test())) \
         |         ^~
   include/linux/radix-tree.h:315:9: note: in expansion of macro 'preempt_enable'
     315 |         preempt_enable();
         |         ^~~~~~~~~~~~~~
   include/linux/radix-tree.h: In function 'radix_tree_next_slot':
   include/linux/compiler.h:115:39: warning: ignoring attribute 'section ("_ftrace_annotated_branch")' because it conflicts with previous 'section ("_ftrace_branch")' [-Wattributes]
     115 |                         static struct ftrace_branch_data                \
         |                                       ^~~~~~~~~~~~~~~~~~
   include/linux/compiler.h:158:30: note: in definition of macro '__trace_if'
     158 |                 ______r = !!(cond);                                     \
         |                              ^~~~
   include/linux/radix-tree.h:409:17: note: in expansion of macro 'if'
     409 |                 if (likely(iter->tags & 1ul)) {
         |                 ^~
   include/linux/compiler.h:134:60: note: in expansion of macro '__branch_check__'
     134 | #  define likely(x)     (__builtin_constant_p(x) ? !!(x) : __branch_check__(x, 1))
         |                                                            ^~~~~~~~~~~~~~~~
   include/linux/radix-tree.h:409:21: note: in expansion of macro 'likely'
     409 |                 if (likely(iter->tags & 1ul)) {
         |                     ^~~~~~
   include/linux/compiler.h:153:25: note: previous declaration here
     153 |                         ______f = {                                     \
         |                         ^~~~~~~
   include/linux/compiler.h:145:23: note: in expansion of macro '__trace_if'
     145 | #define if(cond, ...) __trace_if( (cond , ## __VA_ARGS__) )
         |                       ^~~~~~~~~~
   include/linux/radix-tree.h:409:17: note: in expansion of macro 'if'
     409 |                 if (likely(iter->tags & 1ul)) {
         |                 ^~
   include/linux/compiler.h:115:39: warning: ignoring attribute 'section ("_ftrace_annotated_branch")' because it conflicts with previous 'section ("_ftrace_branch")' [-Wattributes]
     115 |                         static struct ftrace_branch_data                \
         |                                       ^~~~~~~~~~~~~~~~~~
   include/linux/compiler.h:158:30: note: in definition of macro '__trace_if'
     158 |                 ______r = !!(cond);                                     \
         |                              ^~~~
   include/linux/radix-tree.h:413:17: note: in expansion of macro 'if'
     413 |                 if (!(flags & RADIX_TREE_ITER_CONTIG) && likely(iter->tags)) {
         |                 ^~
   include/linux/compiler.h:134:60: note: in expansion of macro '__branch_check__'
     134 | #  define likely(x)     (__builtin_constant_p(x) ? !!(x) : __branch_check__(x, 1))
         |                                                            ^~~~~~~~~~~~~~~~
   include/linux/radix-tree.h:413:58: note: in expansion of macro 'likely'
     413 |                 if (!(flags & RADIX_TREE_ITER_CONTIG) && likely(iter->tags)) {
         |                                                          ^~~~~~
   include/linux/compiler.h:153:25: note: previous declaration here
     153 |                         ______f = {                                     \
         |                         ^~~~~~~
   include/linux/compiler.h:145:23: note: in expansion of macro '__trace_if'
     145 | #define if(cond, ...) __trace_if( (cond , ## __VA_ARGS__) )
         |                       ^~~~~~~~~~
   include/linux/radix-tree.h:413:17: note: in expansion of macro 'if'
     413 |                 if (!(flags & RADIX_TREE_ITER_CONTIG) && likely(iter->tags)) {
         |                 ^~
   include/linux/compiler.h:115:39: warning: ignoring attribute 'section ("_ftrace_annotated_branch")' because it conflicts with previous 'section ("_ftrace_branch")' [-Wattributes]
     115 |                         static struct ftrace_branch_data                \
         |                                       ^~~~~~~~~~~~~~~~~~
   include/linux/compiler.h:158:30: note: in definition of macro '__trace_if'
     158 |                 ______r = !!(cond);                                     \
         |                              ^~~~
   include/linux/radix-tree.h:426:25: note: in expansion of macro 'if'
     426 |                         if (likely(*slot))
         |                         ^~
   include/linux/compiler.h:134:60: note: in expansion of macro '__branch_check__'
     134 | #  define likely(x)     (__builtin_constant_p(x) ? !!(x) : __branch_check__(x, 1))
         |                                                            ^~~~~~~~~~~~~~~~
   include/linux/radix-tree.h:426:29: note: in expansion of macro 'likely'
     426 |                         if (likely(*slot))
         |                             ^~~~~~
   include/linux/compiler.h:153:25: note: previous declaration here
     153 |                         ______f = {                                     \
         |                         ^~~~~~~
   include/linux/compiler.h:145:23: note: in expansion of macro '__trace_if'
     145 | #define if(cond, ...) __trace_if( (cond , ## __VA_ARGS__) )
         |                       ^~~~~~~~~~
   include/linux/radix-tree.h:426:25: note: in expansion of macro 'if'
     426 |                         if (likely(*slot))
         |                         ^~
   drivers/irqchip/irq-ath79-misc.c: At top level:
>> drivers/irqchip/irq-ath79-misc.c:173:13: warning: no previous prototype for 'ath79_misc_irq_init' [-Wmissing-prototypes]
     173 | void __init ath79_misc_irq_init(void __iomem *regs, int irq,
         |             ^~~~~~~~~~~~~~~~~~~


vim +/ath79_misc_irq_init +173 drivers/irqchip/irq-ath79-misc.c

   169	
   170	IRQCHIP_DECLARE(ar7240_misc_intc, "qca,ar7240-misc-intc",
   171			ar7240_misc_intc_of_init);
   172	
 > 173	void __init ath79_misc_irq_init(void __iomem *regs, int irq,

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

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