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

From: kernel test robot
Date: Wed Jun 26 2024 - 08:10:47 EST


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

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