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device: Change dev_<level> logging functions to return void

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No caller or macro uses the return value so make all
the functions return void.

Compiled x86 allyesconfig and defconfig w/o CONFIG_PRINTK

Signed-off-by: Joe Perches <joe@perches.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Joe Perches 2014-12-25 15:07:04 -08:00 committed by Greg Kroah-Hartman
parent a2a15d54ab
commit d1f1052c52
2 changed files with 40 additions and 49 deletions
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29
drivers/base/core.c
View File

@ -2080,54 +2080,47 @@ int dev_printk_emit(int level, const struct device *dev, const char *fmt, ...)
}
EXPORT_SYMBOL(dev_printk_emit);
static int __dev_printk(const char *level, const struct device *dev,
static void __dev_printk(const char *level, const struct device *dev,
struct va_format *vaf)
{
if (!dev)
return printk("%s(NULL device *): %pV", level, vaf);
return dev_printk_emit(level[1] - '0', dev,
"%s %s: %pV",
dev_driver_string(dev), dev_name(dev), vaf);
if (dev)
dev_printk_emit(level[1] - '0', dev, "%s %s: %pV",
dev_driver_string(dev), dev_name(dev), vaf);
else
printk("%s(NULL device *): %pV", level, vaf);
}
int dev_printk(const char *level, const struct device *dev,
const char *fmt, ...)
void dev_printk(const char *level, const struct device *dev,
const char *fmt, ...)
{
struct va_format vaf;
va_list args;
int r;
va_start(args, fmt);
vaf.fmt = fmt;
vaf.va = &args;
r = __dev_printk(level, dev, &vaf);
__dev_printk(level, dev, &vaf);
va_end(args);
return r;
}
EXPORT_SYMBOL(dev_printk);
#define define_dev_printk_level(func, kern_level) \
int func(const struct device *dev, const char *fmt, ...) \
void func(const struct device *dev, const char *fmt, ...) \
{ \
struct va_format vaf; \
va_list args; \
int r; \
\
va_start(args, fmt); \
\
vaf.fmt = fmt; \
vaf.va = &args; \
\
r = __dev_printk(kern_level, dev, &vaf); \
__dev_printk(kern_level, dev, &vaf); \
\
va_end(args); \
\
return r; \
} \
EXPORT_SYMBOL(func);

60
include/linux/device.h
View File

@ -1038,22 +1038,22 @@ extern __printf(3, 4)
int dev_printk_emit(int level, const struct device *dev, const char *fmt, ...);
extern __printf(3, 4)
int dev_printk(const char *level, const struct device *dev,
const char *fmt, ...);
void dev_printk(const char *level, const struct device *dev,
const char *fmt, ...);
extern __printf(2, 3)
int dev_emerg(const struct device *dev, const char *fmt, ...);
void dev_emerg(const struct device *dev, const char *fmt, ...);
extern __printf(2, 3)
int dev_alert(const struct device *dev, const char *fmt, ...);
void dev_alert(const struct device *dev, const char *fmt, ...);
extern __printf(2, 3)
int dev_crit(const struct device *dev, const char *fmt, ...);
void dev_crit(const struct device *dev, const char *fmt, ...);
extern __printf(2, 3)
int dev_err(const struct device *dev, const char *fmt, ...);
void dev_err(const struct device *dev, const char *fmt, ...);
extern __printf(2, 3)
int dev_warn(const struct device *dev, const char *fmt, ...);
void dev_warn(const struct device *dev, const char *fmt, ...);
extern __printf(2, 3)
int dev_notice(const struct device *dev, const char *fmt, ...);
void dev_notice(const struct device *dev, const char *fmt, ...);
extern __printf(2, 3)
int _dev_info(const struct device *dev, const char *fmt, ...);
void _dev_info(const struct device *dev, const char *fmt, ...);
#else
@ -1065,35 +1065,35 @@ static inline __printf(3, 4)
int dev_printk_emit(int level, const struct device *dev, const char *fmt, ...)
{ return 0; }
static inline int __dev_printk(const char *level, const struct device *dev,
struct va_format *vaf)
{ return 0; }
static inline void __dev_printk(const char *level, const struct device *dev,
struct va_format *vaf)
{}
static inline __printf(3, 4)
int dev_printk(const char *level, const struct device *dev,
const char *fmt, ...)
{ return 0; }
void dev_printk(const char *level, const struct device *dev,
const char *fmt, ...)
{}
static inline __printf(2, 3)
int dev_emerg(const struct device *dev, const char *fmt, ...)
{ return 0; }
void dev_emerg(const struct device *dev, const char *fmt, ...)
{}
static inline __printf(2, 3)
int dev_crit(const struct device *dev, const char *fmt, ...)
{ return 0; }
void dev_crit(const struct device *dev, const char *fmt, ...)
{}
static inline __printf(2, 3)
int dev_alert(const struct device *dev, const char *fmt, ...)
{ return 0; }
void dev_alert(const struct device *dev, const char *fmt, ...)
{}
static inline __printf(2, 3)
int dev_err(const struct device *dev, const char *fmt, ...)
{ return 0; }
void dev_err(const struct device *dev, const char *fmt, ...)
{}
static inline __printf(2, 3)
int dev_warn(const struct device *dev, const char *fmt, ...)
{ return 0; }
void dev_warn(const struct device *dev, const char *fmt, ...)
{}
static inline __printf(2, 3)
int dev_notice(const struct device *dev, const char *fmt, ...)
{ return 0; }
void dev_notice(const struct device *dev, const char *fmt, ...)
{}
static inline __printf(2, 3)
int _dev_info(const struct device *dev, const char *fmt, ...)
{ return 0; }
void _dev_info(const struct device *dev, const char *fmt, ...)
{}
#endif
@ -1119,7 +1119,6 @@ do { \
({ \
if (0) \
dev_printk(KERN_DEBUG, dev, format, ##arg); \
0; \
})
#endif
@ -1215,7 +1214,6 @@ do { \
({ \
if (0) \
dev_printk(KERN_DEBUG, dev, format, ##arg); \
0; \
})
#endif