Re: [PATCH v10 04/27] clocksource: Add a new timer-ingenic driver

From: kbuild test robot
Date: Mon Mar 04 2019 - 22:15:57 EST


Hi Paul,

Thank you for the patch! Perhaps something to improve:

[auto build test WARNING on linus/master]
[also build test WARNING on v5.0]
[cannot apply to next-20190304]
[if your patch is applied to the wrong git tree, please drop us a note to help improve the system]

url: https://github.com/0day-ci/linux/commits/Paul-Cercueil/Ingenic-TCU-patchset/20190305-054726
config: x86_64-allmodconfig (attached as .config)
compiler: gcc-8 (Debian 8.2.0-21) 8.2.0
reproduce:
# save the attached .config to linux build tree
make ARCH=x86_64

All warnings (new ones prefixed by >>):

In file included from include/linux/printk.h:7,
from include/linux/kernel.h:14,
from include/linux/clk.h:16,
from drivers/clocksource/ingenic-timer.c:8:
drivers/clocksource/ingenic-timer.c: In function 'ingenic_tcu_clk_init':
>> include/linux/kern_levels.h:5:18: warning: format '%i' expects argument of type 'int', but argument 2 has type 'size_t' {aka 'long unsigned int'} [-Wformat=]
#define KERN_SOH "\001" /* ASCII Start Of Header */
^~~~~~
include/linux/kern_levels.h:10:19: note: in expansion of macro 'KERN_SOH'
#define KERN_CRIT KERN_SOH "2" /* critical conditions */
^~~~~~~~
include/linux/printk.h:301:9: note: in expansion of macro 'KERN_CRIT'
printk(KERN_CRIT pr_fmt(fmt), ##__VA_ARGS__)
^~~~~~~~~
drivers/clocksource/ingenic-timer.c:436:4: note: in expansion of macro 'pr_crit'
pr_crit("ingenic-timer: cannot register clock %i\n", i);
^~~~~~~
drivers/clocksource/ingenic-timer.c:436:51: note: format string is defined here
pr_crit("ingenic-timer: cannot register clock %i\n", i);
~^
%li
--
In file included from include/linux/printk.h:7,
from include/linux/kernel.h:14,
from include/linux/clk.h:16,
from drivers//clocksource/ingenic-timer.c:8:
drivers//clocksource/ingenic-timer.c: In function 'ingenic_tcu_clk_init':
>> include/linux/kern_levels.h:5:18: warning: format '%i' expects argument of type 'int', but argument 2 has type 'size_t' {aka 'long unsigned int'} [-Wformat=]
#define KERN_SOH "\001" /* ASCII Start Of Header */
^~~~~~
include/linux/kern_levels.h:10:19: note: in expansion of macro 'KERN_SOH'
#define KERN_CRIT KERN_SOH "2" /* critical conditions */
^~~~~~~~
include/linux/printk.h:301:9: note: in expansion of macro 'KERN_CRIT'
printk(KERN_CRIT pr_fmt(fmt), ##__VA_ARGS__)
^~~~~~~~~
drivers//clocksource/ingenic-timer.c:436:4: note: in expansion of macro 'pr_crit'
pr_crit("ingenic-timer: cannot register clock %i\n", i);
^~~~~~~
drivers//clocksource/ingenic-timer.c:436:51: note: format string is defined here
pr_crit("ingenic-timer: cannot register clock %i\n", i);
~^
%li

vim +5 include/linux/kern_levels.h

314ba352 Joe Perches 2012-07-30 4
04d2c8c8 Joe Perches 2012-07-30 @5 #define KERN_SOH "\001" /* ASCII Start Of Header */
04d2c8c8 Joe Perches 2012-07-30 6 #define KERN_SOH_ASCII '\001'
04d2c8c8 Joe Perches 2012-07-30 7

:::::: The code at line 5 was first introduced by commit
:::::: 04d2c8c83d0e3ac5f78aeede51babb3236200112 printk: convert the format for KERN_<LEVEL> to a 2 byte pattern

:::::: TO: Joe Perches <joe@xxxxxxxxxxx>
:::::: CC: Linus Torvalds <torvalds@xxxxxxxxxxxxxxxxxxxx>

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