Re: [PATCH 4/6] clocksource: realtek: Add timer driver for rtl-otto platforms

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Hi Chris,

kernel test robot noticed the following build warnings:

[auto build test WARNING on robh/for-next]
[also build test WARNING on tip/timers/core tip/irq/core tip/smp/core linus/master v6.10-rc5 next-20240625]
[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/Chris-Packham/dt-bindings-mips-realtek-Add-rtl930x-soc-compatible/20240625-160622
base:   https://git.kernel.org/pub/scm/linux/kernel/git/robh/linux.git for-next
patch link:    https://lore.kernel.org/r/20240621042737.674128-5-chris.packham%40alliedtelesis.co.nz
patch subject: [PATCH 4/6] clocksource: realtek: Add timer driver for rtl-otto platforms
config: x86_64-allyesconfig (https://download.01.org/0day-ci/archive/20240626/202406261940.lYNjMHKC-lkp@xxxxxxxxx/config)
compiler: clang version 18.1.5 (https://github.com/llvm/llvm-project 617a15a9eac96088ae5e9134248d8236e34b91b1)
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20240626/202406261940.lYNjMHKC-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/202406261940.lYNjMHKC-lkp@xxxxxxxxx/

All warnings (new ones prefixed by >>):

>> drivers/clocksource/timer-rtl-otto.c:105:2: warning: cast to smaller integer type 'u32' (aka 'unsigned int') from 'void *' [-Wvoid-pointer-to-int-cast]
     105 |         RTTM_DEBUG(to->of_base.base);
         |         ^~~~~~~~~~~~~~~~~~~~~~~~~~~~
   drivers/clocksource/timer-rtl-otto.c:97:24: note: expanded from macro 'RTTM_DEBUG'
      96 |         pr_debug("------------- %d %08x\n",     \
         |         ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
      97 |                  smp_processor_id(), (u32)base)
         |                  ~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~
   include/linux/printk.h:588:26: note: expanded from macro 'pr_debug'
     588 |         dynamic_pr_debug(fmt, ##__VA_ARGS__)
         |         ~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~
   include/linux/dynamic_debug.h:270:22: note: expanded from macro 'dynamic_pr_debug'
     269 |         _dynamic_func_call(fmt, __dynamic_pr_debug,             \
         |         ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
     270 |                            pr_fmt(fmt), ##__VA_ARGS__)
         |                            ~~~~~~~~~~~~~~~^~~~~~~~~~~~
   include/linux/dynamic_debug.h:250:59: note: expanded from macro '_dynamic_func_call'
     250 |         _dynamic_func_call_cls(_DPRINTK_CLASS_DFLT, fmt, func, ##__VA_ARGS__)
         |         ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~
   include/linux/dynamic_debug.h:248:65: note: expanded from macro '_dynamic_func_call_cls'
     248 |         __dynamic_func_call_cls(__UNIQUE_ID(ddebug), cls, fmt, func, ##__VA_ARGS__)
         |         ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~
   include/linux/dynamic_debug.h:224:15: note: expanded from macro '__dynamic_func_call_cls'
     224 |                 func(&id, ##__VA_ARGS__);                       \
         |                             ^~~~~~~~~~~
   drivers/clocksource/timer-rtl-otto.c:127:2: warning: cast to smaller integer type 'u32' (aka 'unsigned int') from 'void *' [-Wvoid-pointer-to-int-cast]
     127 |         RTTM_DEBUG(to->of_base.base);
         |         ^~~~~~~~~~~~~~~~~~~~~~~~~~~~
   drivers/clocksource/timer-rtl-otto.c:97:24: note: expanded from macro 'RTTM_DEBUG'
      96 |         pr_debug("------------- %d %08x\n",     \
         |         ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
      97 |                  smp_processor_id(), (u32)base)
         |                  ~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~
   include/linux/printk.h:588:26: note: expanded from macro 'pr_debug'
     588 |         dynamic_pr_debug(fmt, ##__VA_ARGS__)
         |         ~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~
   include/linux/dynamic_debug.h:270:22: note: expanded from macro 'dynamic_pr_debug'
     269 |         _dynamic_func_call(fmt, __dynamic_pr_debug,             \
         |         ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
     270 |                            pr_fmt(fmt), ##__VA_ARGS__)
         |                            ~~~~~~~~~~~~~~~^~~~~~~~~~~~
   include/linux/dynamic_debug.h:250:59: note: expanded from macro '_dynamic_func_call'
     250 |         _dynamic_func_call_cls(_DPRINTK_CLASS_DFLT, fmt, func, ##__VA_ARGS__)
         |         ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~
   include/linux/dynamic_debug.h:248:65: note: expanded from macro '_dynamic_func_call_cls'
     248 |         __dynamic_func_call_cls(__UNIQUE_ID(ddebug), cls, fmt, func, ##__VA_ARGS__)
         |         ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~
   include/linux/dynamic_debug.h:224:15: note: expanded from macro '__dynamic_func_call_cls'
     224 |                 func(&id, ##__VA_ARGS__);                       \
         |                             ^~~~~~~~~~~
   drivers/clocksource/timer-rtl-otto.c:139:2: warning: cast to smaller integer type 'u32' (aka 'unsigned int') from 'void *' [-Wvoid-pointer-to-int-cast]
     139 |         RTTM_DEBUG(to->of_base.base);
         |         ^~~~~~~~~~~~~~~~~~~~~~~~~~~~
   drivers/clocksource/timer-rtl-otto.c:97:24: note: expanded from macro 'RTTM_DEBUG'
      96 |         pr_debug("------------- %d %08x\n",     \
         |         ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
      97 |                  smp_processor_id(), (u32)base)
         |                  ~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~
   include/linux/printk.h:588:26: note: expanded from macro 'pr_debug'
     588 |         dynamic_pr_debug(fmt, ##__VA_ARGS__)
         |         ~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~
   include/linux/dynamic_debug.h:270:22: note: expanded from macro 'dynamic_pr_debug'
     269 |         _dynamic_func_call(fmt, __dynamic_pr_debug,             \
         |         ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
     270 |                            pr_fmt(fmt), ##__VA_ARGS__)
         |                            ~~~~~~~~~~~~~~~^~~~~~~~~~~~
   include/linux/dynamic_debug.h:250:59: note: expanded from macro '_dynamic_func_call'
     250 |         _dynamic_func_call_cls(_DPRINTK_CLASS_DFLT, fmt, func, ##__VA_ARGS__)
         |         ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~
   include/linux/dynamic_debug.h:248:65: note: expanded from macro '_dynamic_func_call_cls'
     248 |         __dynamic_func_call_cls(__UNIQUE_ID(ddebug), cls, fmt, func, ##__VA_ARGS__)
         |         ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~
   include/linux/dynamic_debug.h:224:15: note: expanded from macro '__dynamic_func_call_cls'
     224 |                 func(&id, ##__VA_ARGS__);                       \
         |                             ^~~~~~~~~~~
   drivers/clocksource/timer-rtl-otto.c:151:2: warning: cast to smaller integer type 'u32' (aka 'unsigned int') from 'void *' [-Wvoid-pointer-to-int-cast]
     151 |         RTTM_DEBUG(to->of_base.base);
         |         ^~~~~~~~~~~~~~~~~~~~~~~~~~~~
   drivers/clocksource/timer-rtl-otto.c:97:24: note: expanded from macro 'RTTM_DEBUG'
      96 |         pr_debug("------------- %d %08x\n",     \
         |         ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
      97 |                  smp_processor_id(), (u32)base)
         |                  ~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~
   include/linux/printk.h:588:26: note: expanded from macro 'pr_debug'
     588 |         dynamic_pr_debug(fmt, ##__VA_ARGS__)
         |         ~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~
   include/linux/dynamic_debug.h:270:22: note: expanded from macro 'dynamic_pr_debug'
     269 |         _dynamic_func_call(fmt, __dynamic_pr_debug,             \
         |         ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
     270 |                            pr_fmt(fmt), ##__VA_ARGS__)
         |                            ~~~~~~~~~~~~~~~^~~~~~~~~~~~
   include/linux/dynamic_debug.h:250:59: note: expanded from macro '_dynamic_func_call'
     250 |         _dynamic_func_call_cls(_DPRINTK_CLASS_DFLT, fmt, func, ##__VA_ARGS__)
         |         ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~
   include/linux/dynamic_debug.h:248:65: note: expanded from macro '_dynamic_func_call_cls'
     248 |         __dynamic_func_call_cls(__UNIQUE_ID(ddebug), cls, fmt, func, ##__VA_ARGS__)
         |         ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~
   include/linux/dynamic_debug.h:224:15: note: expanded from macro '__dynamic_func_call_cls'
     224 |                 func(&id, ##__VA_ARGS__);                       \
         |                             ^~~~~~~~~~~
   drivers/clocksource/timer-rtl-otto.c:163:2: warning: cast to smaller integer type 'u32' (aka 'unsigned int') from 'void *' [-Wvoid-pointer-to-int-cast]


vim +105 drivers/clocksource/timer-rtl-otto.c

    93	
    94	/* Aggregated control functions for kernel clock framework */
    95	#define RTTM_DEBUG(base)			\
    96		pr_debug("------------- %d %08x\n",	\
    97			 smp_processor_id(), (u32)base)
    98	
    99	static irqreturn_t rttm_timer_interrupt(int irq, void *dev_id)
   100	{
   101		struct clock_event_device *clkevt = dev_id;
   102		struct timer_of *to = to_timer_of(clkevt);
   103	
   104		rttm_ack_irq(to->of_base.base);
 > 105		RTTM_DEBUG(to->of_base.base);
   106		clkevt->event_handler(clkevt);
   107	
   108		return IRQ_HANDLED;
   109	}
   110	

-- 
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki




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