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Date: Sun, 10 Jun 2018 19:37:44 +0800
From: kbuild test robot <lkp@...el.com>
To: Tomer Maimon <tmaimon77@...il.com>
Cc: kbuild-all@...org, robh+dt@...nel.org, mark.rutland@....com,
jdelvare@...e.com, linux@...ck-us.net, avifishman70@...il.com,
yuenn@...gle.com, brendanhiggins@...gle.com, venture@...gle.com,
joel@....id.au, devicetree@...r.kernel.org,
linux-kernel@...r.kernel.org, linux-hwmon@...r.kernel.org,
openbmc@...ts.ozlabs.org, Tomer Maimon <tmaimon77@...il.com>
Subject: Re: [PATCH v1 2/2] hwmon: npcm-pwm: add NPCM7xx PWM driver
Hi Tomer,
I love your patch! Perhaps something to improve:
[auto build test WARNING on hwmon/hwmon-next]
[also build test WARNING on v4.17 next-20180608]
[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/Tomer-Maimon/dt-binding-hwmon-Add-NPCM7xx-PWM-documentation/20180531-034040
base: https://git.kernel.org/pub/scm/linux/kernel/git/groeck/linux-staging.git hwmon-next
config: i386-randconfig-x079-06101602 (attached as .config)
compiler: gcc-7 (Debian 7.3.0-16) 7.3.0
reproduce:
# save the attached .config to linux build tree
make ARCH=i386
All warnings (new ones prefixed by >>):
In file included from include/linux/printk.h:7:0,
from include/linux/kernel.h:14,
from include/linux/list.h:9,
from include/linux/module.h:9,
from drivers//hwmon/npcm7xx-pwm.c:4:
drivers//hwmon/npcm7xx-pwm.c: In function 'npcm7xx_pwm_probe':
>> include/linux/kern_levels.h:5:18: warning: format '%X' expects argument of type 'unsigned int', but argument 4 has type 'resource_size_t {aka long long unsigned int}' [-Wformat=]
#define KERN_SOH "\001" /* ASCII Start Of Header */
^
include/linux/kern_levels.h:15:20: note: in expansion of macro 'KERN_SOH'
#define KERN_DEBUG KERN_SOH "7" /* debug-level messages */
^~~~~~~~
include/linux/printk.h:339:9: note: in expansion of macro 'KERN_DEBUG'
printk(KERN_DEBUG pr_fmt(fmt), ##__VA_ARGS__)
^~~~~~~~~~
drivers//hwmon/npcm7xx-pwm.c:276:3: note: in expansion of macro 'pr_debug'
pr_debug("pwm%d base is 0x%08X, res.start 0x%08X , size 0x%08X\n",
^~~~~~~~
drivers//hwmon/npcm7xx-pwm.c:276:50: note: format string is defined here
pr_debug("pwm%d base is 0x%08X, res.start 0x%08X , size 0x%08X\n",
~~~^
%08llX
In file included from include/linux/printk.h:7:0,
from include/linux/kernel.h:14,
from include/linux/list.h:9,
from include/linux/module.h:9,
from drivers//hwmon/npcm7xx-pwm.c:4:
include/linux/kern_levels.h:5:18: warning: format '%X' expects argument of type 'unsigned int', but argument 5 has type 'resource_size_t {aka long long unsigned int}' [-Wformat=]
#define KERN_SOH "\001" /* ASCII Start Of Header */
^
include/linux/kern_levels.h:15:20: note: in expansion of macro 'KERN_SOH'
#define KERN_DEBUG KERN_SOH "7" /* debug-level messages */
^~~~~~~~
include/linux/printk.h:339:9: note: in expansion of macro 'KERN_DEBUG'
printk(KERN_DEBUG pr_fmt(fmt), ##__VA_ARGS__)
^~~~~~~~~~
drivers//hwmon/npcm7xx-pwm.c:276:3: note: in expansion of macro 'pr_debug'
pr_debug("pwm%d base is 0x%08X, res.start 0x%08X , size 0x%08X\n",
^~~~~~~~
drivers//hwmon/npcm7xx-pwm.c:276:64: note: format string is defined here
pr_debug("pwm%d base is 0x%08X, res.start 0x%08X , size 0x%08X\n",
~~~^
%08llX
--
In file included from include/linux/printk.h:7:0,
from include/linux/kernel.h:14,
from include/linux/list.h:9,
from include/linux/module.h:9,
from drivers/hwmon/npcm7xx-pwm.c:4:
drivers/hwmon/npcm7xx-pwm.c: In function 'npcm7xx_pwm_probe':
>> include/linux/kern_levels.h:5:18: warning: format '%X' expects argument of type 'unsigned int', but argument 4 has type 'resource_size_t {aka long long unsigned int}' [-Wformat=]
#define KERN_SOH "\001" /* ASCII Start Of Header */
^
include/linux/kern_levels.h:15:20: note: in expansion of macro 'KERN_SOH'
#define KERN_DEBUG KERN_SOH "7" /* debug-level messages */
^~~~~~~~
include/linux/printk.h:339:9: note: in expansion of macro 'KERN_DEBUG'
printk(KERN_DEBUG pr_fmt(fmt), ##__VA_ARGS__)
^~~~~~~~~~
drivers/hwmon/npcm7xx-pwm.c:276:3: note: in expansion of macro 'pr_debug'
pr_debug("pwm%d base is 0x%08X, res.start 0x%08X , size 0x%08X\n",
^~~~~~~~
drivers/hwmon/npcm7xx-pwm.c:276:50: note: format string is defined here
pr_debug("pwm%d base is 0x%08X, res.start 0x%08X , size 0x%08X\n",
~~~^
%08llX
In file included from include/linux/printk.h:7:0,
from include/linux/kernel.h:14,
from include/linux/list.h:9,
from include/linux/module.h:9,
from drivers/hwmon/npcm7xx-pwm.c:4:
include/linux/kern_levels.h:5:18: warning: format '%X' expects argument of type 'unsigned int', but argument 5 has type 'resource_size_t {aka long long unsigned int}' [-Wformat=]
#define KERN_SOH "\001" /* ASCII Start Of Header */
^
include/linux/kern_levels.h:15:20: note: in expansion of macro 'KERN_SOH'
#define KERN_DEBUG KERN_SOH "7" /* debug-level messages */
^~~~~~~~
include/linux/printk.h:339:9: note: in expansion of macro 'KERN_DEBUG'
printk(KERN_DEBUG pr_fmt(fmt), ##__VA_ARGS__)
^~~~~~~~~~
drivers/hwmon/npcm7xx-pwm.c:276:3: note: in expansion of macro 'pr_debug'
pr_debug("pwm%d base is 0x%08X, res.start 0x%08X , size 0x%08X\n",
^~~~~~~~
drivers/hwmon/npcm7xx-pwm.c:276:64: note: format string is defined here
pr_debug("pwm%d base is 0x%08X, res.start 0x%08X , size 0x%08X\n",
~~~^
%08llX
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@...ches.com>
:::::: CC: Linus Torvalds <torvalds@...ux-foundation.org>
---
0-DAY kernel test infrastructure Open Source Technology Center
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