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driver core: Add dev_*_ratelimited() family 

Add dev_*_ratelimited() family, dev_* version of pr_*_ratelimited().

Using Joe Perches's proposal/implementation.

Signed-off-by: Hiroshi DOYU <hdoyu@nvidia.com>
Cc: Joe Perches <joe@perches.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Hiroshi DOYU 2012-05-14 10:47:57 +03:00 committed by Greg Kroah-Hartman
parent 094e47e9fa
commit 6ca0459303
1 changed files with 27 additions and 0 deletions
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27
include/linux/device.h
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@ -23,6 +23,7 @@
#include <linux/mutex.h>
#include <linux/pm.h>
#include <linux/atomic.h>
#include <linux/ratelimit.h>
#include <asm/device.h>
struct device;
@ -933,6 +934,32 @@ int _dev_info(const struct device *dev, const char *fmt, ...)
#endif
#define dev_level_ratelimited(dev_level, dev, fmt, ...) \
do { \
static DEFINE_RATELIMIT_STATE(_rs, \
DEFAULT_RATELIMIT_INTERVAL, \
DEFAULT_RATELIMIT_BURST); \
if (__ratelimit(&_rs)) \
dev_level(dev, fmt, ##__VA_ARGS__); \
} while (0)
#define dev_emerg_ratelimited(dev, fmt, ...) \
dev_level_ratelimited(dev_emerg, dev, fmt, ##__VA_ARGS__)
#define dev_alert_ratelimited(dev, fmt, ...) \
dev_level_ratelimited(dev_alert, dev, fmt, ##__VA_ARGS__)
#define dev_crit_ratelimited(dev, fmt, ...) \
dev_level_ratelimited(dev_crit, dev, fmt, ##__VA_ARGS__)
#define dev_err_ratelimited(dev, fmt, ...) \
dev_level_ratelimited(dev_err, dev, fmt, ##__VA_ARGS__)
#define dev_warn_ratelimited(dev, fmt, ...) \
dev_level_ratelimited(dev_warn, dev, fmt, ##__VA_ARGS__)
#define dev_notice_ratelimited(dev, fmt, ...) \
dev_level_ratelimited(dev_notice, dev, fmt, ##__VA_ARGS__)
#define dev_info_ratelimited(dev, fmt, ...) \
dev_level_ratelimited(dev_info, dev, fmt, ##__VA_ARGS__)
#define dev_dbg_ratelimited(dev, fmt, ...) \
dev_level_ratelimited(dev_dbg, dev, fmt, ##__VA_ARGS__)
/*
* Stupid hackaround for existing uses of non-printk uses dev_info
*