tree: https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core.git device_h_splitup head: 965681d8272ce30aa68375c25c4c797731e18dd3 commit: 965681d8272ce30aa68375c25c4c797731e18dd3 [11/11] device.h: move dev_printk()-like functions to device_printk.h config: powerpc-mpc512x_defconfig (attached as .config) compiler: powerpc-linux-gcc (GCC) 7.4.0 reproduce: wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross git checkout 965681d8272ce30aa68375c25c4c797731e18dd3 # save the attached .config to linux build tree GCC_VERSION=7.4.0 make.cross ARCH=powerpc
If you fix the issue, kindly add following tag
Reported-by: kbuild test robot <l...@intel.com>
All warnings (new ones prefixed by >>):
In file included from include/linux/device.h:15:0,
from include/linux/acpi.h:15,
from include/linux/i2c.h:13,
from include/uapi/linux/fb.h:6,
from include/linux/fb.h:6,
from drivers/video/fbdev/fsl-diu-fb.c:20:
drivers/video/fbdev/fsl-diu-fb.c: In function 'fsl_diu_ioctl':
>> include/linux/device_printk.h:106:2: warning: this statement may fall
>> through [-Wimplicit-fallthrough=]
_dev_warn(dev, dev_fmt(fmt), ##__VA_ARGS__)
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
drivers/video/fbdev/fsl-diu-fb.c:1287:3: note: in expansion of macro
'dev_warn'
dev_warn(info->dev,
^~~~~~~~
drivers/video/fbdev/fsl-diu-fb.c:1290:2: note: here
case MFB_SET_PIXFMT:
^~~~
In file included from include/linux/device.h:15:0,
from include/linux/acpi.h:15,
from include/linux/i2c.h:13,
from include/uapi/linux/fb.h:6,
from include/linux/fb.h:6,
from drivers/video/fbdev/fsl-diu-fb.c:20:
>> include/linux/device_printk.h:106:2: warning: this statement may fall
>> through [-Wimplicit-fallthrough=]
_dev_warn(dev, dev_fmt(fmt), ##__VA_ARGS__)
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
drivers/video/fbdev/fsl-diu-fb.c:1296:3: note: in expansion of macro
'dev_warn'
dev_warn(info->dev,
^~~~~~~~
drivers/video/fbdev/fsl-diu-fb.c:1299:2: note: here
case MFB_GET_PIXFMT:
^~~~
--
In file included from include/linux/device.h:15:0,
from include/linux/acpi.h:15,
from include/linux/i2c.h:13,
from include/uapi/linux/fb.h:6,
from include/linux/fb.h:6,
from drivers/video//fbdev/fsl-diu-fb.c:20:
drivers/video//fbdev/fsl-diu-fb.c: In function 'fsl_diu_ioctl':
>> include/linux/device_printk.h:106:2: warning: this statement may fall
>> through [-Wimplicit-fallthrough=]
_dev_warn(dev, dev_fmt(fmt), ##__VA_ARGS__)
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
drivers/video//fbdev/fsl-diu-fb.c:1287:3: note: in expansion of macro
'dev_warn'
dev_warn(info->dev,
^~~~~~~~
drivers/video//fbdev/fsl-diu-fb.c:1290:2: note: here
case MFB_SET_PIXFMT:
^~~~
In file included from include/linux/device.h:15:0,
from include/linux/acpi.h:15,
from include/linux/i2c.h:13,
from include/uapi/linux/fb.h:6,
from include/linux/fb.h:6,
from drivers/video//fbdev/fsl-diu-fb.c:20:
>> include/linux/device_printk.h:106:2: warning: this statement may fall
>> through [-Wimplicit-fallthrough=]
_dev_warn(dev, dev_fmt(fmt), ##__VA_ARGS__)
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
drivers/video//fbdev/fsl-diu-fb.c:1296:3: note: in expansion of macro
'dev_warn'
dev_warn(info->dev,
^~~~~~~~
drivers/video//fbdev/fsl-diu-fb.c:1299:2: note: here
case MFB_GET_PIXFMT:
^~~~
vim +106 include/linux/device_printk.h
91
92 /*
93 * #defines for all the dev_<level> macros to prefix with whatever
94 * possible use of #define dev_fmt(fmt) ...
95 */
96
97 #define dev_emerg(dev, fmt, ...)
\
98 _dev_emerg(dev, dev_fmt(fmt), ##__VA_ARGS__)
99 #define dev_crit(dev, fmt, ...)
\
100 _dev_crit(dev, dev_fmt(fmt), ##__VA_ARGS__)
101 #define dev_alert(dev, fmt, ...)
\
102 _dev_alert(dev, dev_fmt(fmt), ##__VA_ARGS__)
103 #define dev_err(dev, fmt, ...)
\
104 _dev_err(dev, dev_fmt(fmt), ##__VA_ARGS__)
105 #define dev_warn(dev, fmt, ...)
\
> 106 _dev_warn(dev, dev_fmt(fmt), ##__VA_ARGS__)
107 #define dev_notice(dev, fmt, ...)
\
108 _dev_notice(dev, dev_fmt(fmt), ##__VA_ARGS__)
109 #define dev_info(dev, fmt, ...)
\
110 _dev_info(dev, dev_fmt(fmt), ##__VA_ARGS__)
111
---
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