[PATCH 1/2] driver core: Add dev_*_ratelimited() family
From: Hiroshi DOYU <hidden>
Date: 2012-05-14 07:48:13
Also in:
linux-tegra, lkml
Subsystem:
driver core, kobjects, debugfs and sysfs, the rest · Maintainers:
Greg Kroah-Hartman, "Rafael J. Wysocki", Danilo Krummrich, Linus Torvalds
Add dev_*_ratelimited() family, dev_* version of pr_*_ratelimited(). Using Joe Perches's proposal/implementation. Signed-off-by: Hiroshi DOYU <redacted> Cc: Joe Perches <redacted> --- include/linux/device.h | 27 +++++++++++++++++++++++++++ 1 files changed, 27 insertions(+), 0 deletions(-)
diff --git a/include/linux/device.h b/include/linux/device.h
index 8b9d03a..d3aafdb 100644
--- a/include/linux/device.h
+++ b/include/linux/device.h@@ -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;
@@ -937,6 +938,32 @@ 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 *
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1.7.5.4