Re: [PATCH v3] of: dynamic: Refactor action prints to not use "%pOF" inside devtree_lock

[kernel test robot]

Hi Rob,

kernel test robot noticed the following build errors:

[auto build test ERROR on robh/for-next]
[also build test ERROR on linus/master v6.5-rc3 next-20230728]
[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/Rob-Herring/of-dynamic-Refactor-action-prints-to-not-use-pOF-inside-devtree_lock/20230729-072155
base:   https://git.kernel.org/pub/scm/linux/kernel/git/robh/linux.git for-next
patch link:    https://lore.kernel.org/r/20230728231950.1619073-1-robh%40kernel.org
patch subject: [PATCH v3] of: dynamic: Refactor action prints to not use "%pOF" inside devtree_lock
config: loongarch-allyesconfig (https://download.01.org/0day-ci/archive/20230729/202307291024.DHfPmyN4-lkp@xxxxxxxxx/config)
compiler: loongarch64-linux-gcc (GCC) 12.3.0
reproduce: (https://download.01.org/0day-ci/archive/20230729/202307291024.DHfPmyN4-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/202307291024.DHfPmyN4-lkp@xxxxxxxxx/

All error/warnings (new ones prefixed by >>):

>> drivers/of/dynamic.c:74:6: warning: no previous prototype for 'of_changeset_action_print' [-Wmissing-prototypes]
      74 | void of_changeset_action_print(unsigned long action, struct device_node *np, const char *prop_name)
         |      ^~~~~~~~~~~~~~~~~~~~~~~~~
   In file included from include/linux/printk.h:564,
                    from include/asm-generic/bug.h:22,
                    from arch/loongarch/include/asm/bug.h:59,
                    from include/linux/bug.h:5,
                    from include/linux/thread_info.h:13,
                    from include/asm-generic/current.h:5,
                    from ./arch/loongarch/include/generated/asm/current.h:1,
                    from include/linux/mutex.h:14,
                    from include/linux/kernfs.h:11,
                    from include/linux/sysfs.h:16,
                    from include/linux/kobject.h:20,
                    from include/linux/of.h:17,
                    from drivers/of/dynamic.c:12:
   drivers/of/dynamic.c: In function 'of_reconfig_notify':
>> include/linux/dynamic_debug.h:219:58: error: expected expression before 'do'
     219 | #define __dynamic_func_call_cls(id, cls, fmt, func, ...) do {   \
         |                                                          ^~
   include/linux/dynamic_debug.h:246:9: note: in expansion of macro '__dynamic_func_call_cls'
     246 |         __dynamic_func_call_cls(__UNIQUE_ID(ddebug), cls, fmt, func, ##__VA_ARGS__)
         |         ^~~~~~~~~~~~~~~~~~~~~~~
   include/linux/dynamic_debug.h:248:9: note: in expansion of macro '_dynamic_func_call_cls'
     248 |         _dynamic_func_call_cls(_DPRINTK_CLASS_DFLT, fmt, func, ##__VA_ARGS__)
         |         ^~~~~~~~~~~~~~~~~~~~~~
   include/linux/dynamic_debug.h:267:9: note: in expansion of macro '_dynamic_func_call'
     267 |         _dynamic_func_call(fmt, __dynamic_pr_debug,             \
         |         ^~~~~~~~~~~~~~~~~~
   include/linux/printk.h:579:9: note: in expansion of macro 'dynamic_pr_debug'
     579 |         dynamic_pr_debug(fmt, ##__VA_ARGS__)
         |         ^~~~~~~~~~~~~~~~
   drivers/of/dynamic.c:87:13: note: in expansion of macro 'pr_debug'
      87 |         if (pr_debug("notify "))
         |             ^~~~~~~~
   drivers/of/dynamic.c: In function '__of_changeset_entry_apply':
>> include/linux/dynamic_debug.h:219:58: error: expected expression before 'do'
     219 | #define __dynamic_func_call_cls(id, cls, fmt, func, ...) do {   \
         |                                                          ^~
   include/linux/dynamic_debug.h:246:9: note: in expansion of macro '__dynamic_func_call_cls'
     246 |         __dynamic_func_call_cls(__UNIQUE_ID(ddebug), cls, fmt, func, ##__VA_ARGS__)
         |         ^~~~~~~~~~~~~~~~~~~~~~~
   include/linux/dynamic_debug.h:248:9: note: in expansion of macro '_dynamic_func_call_cls'
     248 |         _dynamic_func_call_cls(_DPRINTK_CLASS_DFLT, fmt, func, ##__VA_ARGS__)
         |         ^~~~~~~~~~~~~~~~~~~~~~
   include/linux/dynamic_debug.h:267:9: note: in expansion of macro '_dynamic_func_call'
     267 |         _dynamic_func_call(fmt, __dynamic_pr_debug,             \
         |         ^~~~~~~~~~~~~~~~~~
   include/linux/printk.h:579:9: note: in expansion of macro 'dynamic_pr_debug'
     579 |         dynamic_pr_debug(fmt, ##__VA_ARGS__)
         |         ^~~~~~~~~~~~~~~~
   drivers/of/dynamic.c:571:13: note: in expansion of macro 'pr_debug'
     571 |         if (pr_debug("changeset: applying: cset<%p> ", ce))
         |             ^~~~~~~~


vim +/of_changeset_action_print +74 drivers/of/dynamic.c

    73	
  > 74	void of_changeset_action_print(unsigned long action, struct device_node *np, const char *prop_name)
    75	{
    76		if (prop_name)
    77			pr_cont("%-15s %pOF:%s\n", action_names[action], np, prop_name);
    78		else
    79			pr_cont("%-15s %pOF\n", action_names[action], np);
    80	}
    81	

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